1 2006-11-09 Eric Christopher <echristo@apple.com>
6 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
7 * config.gcc (powerpc64-*-darwin*): New target.
9 * config/rs6000/darwin64.h: New file.
10 * config/rs6000/x-darwin64: Ditto.
11 * config/rs6000/host-ppc64-darwin.c: Ditto.
13 2006-11-09 Steve Ellcey <sje@cup.hp.com>
15 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
16 routines for integer division.
18 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
20 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
22 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
25 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
27 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
29 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
30 simplify_subreg with BLKmode outer mode.
32 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
34 * doc/invoke.texi: Minor formatting fixes in option lists.
36 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
38 PR tree-optimization/29738
39 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
40 (ccp_lattice_t): Remove UNKNOWN_VAL.
41 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
42 Do not handle UNKNOWN_VAL.
43 (get_default_value): Set initial value of virtual operands to
45 (get_value): Always use get_default_value on uninitialized
47 (set_value_varying, surely_varying_stmt_p): New functions.
48 (set_lattice_value): Do not pass argument to get_value.
49 Do not handle UNKNOWN_VAL.
50 (likely_value): Follow the semantics described in the comment.
51 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
52 phi nodes DONT_SIMULATE_AGAIN.
53 (ccp_fold): Do not pass argument to get_value.
54 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
57 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
59 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
60 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
62 2006-11-08 Roger Sayle <roger@eyesopen.com>
64 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
65 test for inclusion rather than as a test for exclusion.
66 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
67 the condition after calling fold_binary.
68 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
69 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
70 * builtins.c (fold_builtin_isascii): Likewise.
71 (fold_builtin_isdigit): Likewise.
73 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
75 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
76 * configure: Regenerate.
78 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
80 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
81 enum argument instead of bool.
82 (vect_analyze_operations): Call vectorizable_type_promotion.
83 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
84 stmt_vec_info_type value.
85 (supportable_widening_operation, vectorizable_type_promotion): New
86 function declarations.
87 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
88 (vectorizable_type_promotion): New function.
89 (vect_transform_stmt): Call vectorizable_type_promotion.
90 * tree-vect-analyze.c (supportable_widening_operation): New function.
91 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
93 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
96 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
97 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
98 * tree-inline.c (estimate_num_insns_1): Add cases for above new
100 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
101 * expr.c (expand_expr_real_1): Likewise.
102 * optabs.c (optab_for_tree_code): Likewise.
103 (init_optabs): Initialize new optabs.
104 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
105 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
106 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
107 vec_unpacku_lo_optab): Initialize new optabs.
108 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
109 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
110 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
112 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
113 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
114 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
115 (vec_unpacku_lo_optab): New optabs.
116 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
117 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
118 (vec_widen_smult_hi, vec_widen_smult_lo): New.
119 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
120 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
121 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
123 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
124 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
125 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
126 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
127 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
128 implement the unsigned unpacking patterns.
129 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
130 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
131 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
132 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
133 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
134 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
135 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
136 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
137 multiplication patterns.
139 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
140 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
141 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
142 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
143 (rs6000_builtin_mul_widen_odd): New.
144 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
145 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
146 * tree-vectorizer.h (enum vect_relevant): New enum type.
147 (_stmt_vec_info): Field relevant chaned from bool to enum
149 (STMT_VINFO_RELEVANT_P): Updated.
150 (STMT_VINFO_RELEVANT): New.
151 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
152 instead of STMT_VINFO_RELEVANT_P.
153 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
154 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
155 and boolean variable with enum vect_relevant.
156 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
157 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
158 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
160 2006-11-08 Richard Henderson <rth@redhat.com>
162 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
163 vec_widen_umult_lo_v8hi): New.
164 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
165 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
167 * config/i386/i386.c (ix86_expand_sse_unpack): New.
168 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
169 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
170 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
171 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
172 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
173 vec_unpacks_lo_v4si): New.
175 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
177 * tree-vect-transform.c (vectorizable_type_demotion): New function.
178 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
179 (vect_analyze_operations): Call vectorizable_type_demotion.
180 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
181 stmt_vec_info_type value.
182 (vectorizable_type_demotion): New function declaration.
183 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
186 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
187 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
189 * tree-iniline.c (estimate_num_insns_1): Likewise.
190 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
191 * optabs.c (optab_for_tree_code): Likewise.
193 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
194 compared against the predicate of the result is not 'mode' (the input
195 to the function) but a mode with half the size of 'mode'.
196 (init_optab): Initialize new optabs.
197 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
199 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
201 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
202 (vec_pack_usat_optab): Initialize new optabs.
203 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
204 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
206 2006-11-08 Richard Henderson <rth@redehat.com>
208 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
209 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
210 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
211 (vec_interleave_highv4si, vec_interleave_lowv4si):
212 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
214 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
216 * tree-vect-transform.c (vectorizable_reduction): Support multiple
218 (vect_transform_stmt): Removed redundant code.
220 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
222 * tree-vect-transform.c (vectorizable_operation): Support multiple
225 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
227 * tree-vect-transform.c (vect_align_data_ref): Removed.
228 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
229 Updated function documentation. Return the increment stmt in ptr_incr.
230 (bump_vector_ptr): New function.
231 (vect_get_vec_def_for_stmt_copy): New function.
232 (vect_finish_stmt_generation): Create a stmt_info to newly created
234 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
236 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
237 VF is greater than the number of elements that can fit in one vector
239 (vectorizable_operation, vectorizable_condition): Likewise.
240 (vectorizable_store, vectorizable_load): Support the case that the VF
241 is greater than the number of elements that can fit in one vector word.
242 (vect_transform_loop): Don't fail in case of multiple data-types.
243 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
244 in case of multiple data-types; the smallest type determines the VF.
245 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
246 if they are of different sizes.
247 (vect_update_misalignment_for_peel): Compare misalignments in terms of
248 number of elements rather than number of bytes.
249 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
250 (vect_can_advance_ivs_p): Fix a dump printout
252 2006-11-07 Eric Christopher <echristo@apple.com>
254 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
256 * libgcc2.h: Remove transformation of bswap routines.
257 * config/i386/i386.md (bswapsi2): New.
260 2006-11-07 Jakub Jelinek <jakub@redhat.com>
262 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
263 (handle_gnu_inline_attribute): New function.
264 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
265 (merge_decls, start_decl, start_function): Likewise.
266 * doc/extend.texi: Document gnu_inline attribute.
268 2006-11-07 Steve Ellcey <sje@cup.hp.com>
271 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
272 _fixunstfdi, and _floatditf
274 2006-11-06 Anatoly Sokolov <aesok@post.ru>
276 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
278 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
279 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
280 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
281 which start in an odd register.
283 2006-11-07 Richard Sandiford <richard@codesourcery.com>
285 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
287 2006-11-07 Josh Conner <jconner@apple.com>
289 * doc/invoke.texi (fstrict-aliasing): Move implementation
291 * doc/tree-ssa.texi (Alias analysis): ...here.
293 2006-11-07 Richard Guenther <rguenther@suse.de>
295 PR tree-optimization/29610
296 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
297 of tree_purge_dead_eh_edges as it may free dominators.
299 * g++.dg/other/pr29610.C: New testcase.
301 2006-11-07 David Ung <davidu@mips.com>
303 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
304 costs when optimizing for size.
305 (override_options): Use mips_rtx_cost_optimize_size table for cost
308 2006-11-07 Jie Zhang <jie.zhang@analog.com>
310 * gcc.c (process_command): Treat -b as normal switch if its argument
313 2006-11-07 David Ung <davidu@mips.com>
315 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
318 2006-11-06 Eric Christopher <echristo@apple.com>
320 * config.gcc: Add x86_64-darwin host support.
321 * config.host: Ditto.
322 * config/i386/darwin64.h: New file.
323 * config/i386/t-darwin64: Ditto.
325 2006-11-06 Janis Johnson <janis187@us.ibm.com>
327 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
328 and output-exists-not.
330 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
333 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
334 checking for overflow.
336 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
338 * configure.ac: Fixed typo in case statement: :: changed to ;;
340 2006-11-06 Bob Wilson <bob.wilson@acm.org>
342 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
343 count_leading_zeros, and count_trailing_zeros.
344 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
345 (TARGET_FOLD_BUILTIN): Define.
346 (TARGET_EXPAND_BUILTIN): Define.
347 (xtensa_init_builtins): New.
348 (xtensa_fold_builtin): New.
349 (xtensa_expand_builtin): New.
350 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
351 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
352 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
353 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
354 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
355 (any_extend): New code macro.
356 (u, su): New code attributes.
357 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
358 (nsau): Remove; replaced by clzsi2.
359 (ffssi2): Use clzsi2.
360 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
361 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
362 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
363 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
364 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
366 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
368 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
370 * config/arm/t-strongarm-elf: Likewise.
371 * config/arm/t-pe: Likewise.
372 * config/arm/t-arm-elf: Likewise.
373 * config/arm/t-xscale-elf: Likewise.
374 * config/arm/t-arm-coff: Likewise.
375 * config/arm/t-xscale-coff: Likewise.
376 * config/arm/t-wince-pe: Likewise.
378 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
380 * config/sh/lib1funcs-4-300.asm: Guard entire file with
383 2006-11-05 Jakub Jelinek <jakub@redhat.com>
386 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
389 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
392 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
393 as a valid 80387 constant.
394 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
395 * config/i386/i386.md (unnamed splitter): Split the load of
396 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
399 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
401 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
402 from the soft-frame, argument and virtual registers.
404 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
406 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
407 patterns for standard 80387 constants.
409 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
410 Steven Bosscher <steven@gcc.gnu.org>
412 * fwprop.c: New file.
413 * Makefile.in: Add fwprop.o.
414 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
415 * passes.c (init_optimization_passes): Schedule forward propagation.
416 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
418 * timevar.def (TV_FWPROP): New.
419 * common.opt (-fforward-propagate): New.
420 * opts.c (decode_options): Enable forward propagation at -O2.
421 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
422 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
423 canon_for_address, table_size): Remove.
424 (new_basic_block, insert, remove_from_table): Remove references to
426 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
427 simplification loop more straightforward by not calling fold_rtx
429 (equiv_constant): Move here a small part of fold_rtx_subreg,
430 do not call fold_rtx. Call avoid_constant_pool_reference
432 * recog.h (canonicalize_change_group): New.
434 * doc/invoke.texi (Optimization Options): Document fwprop.
435 * doc/passes.texi (RTL passes): Document fwprop.
437 2006-11-03 Geoffrey Keating <geoffk@apple.com>
439 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
440 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
441 (grokdeclarator): Likewise.
443 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
445 * tree-dump.c (dump_enable_all): Rename local variable
446 ir_type to avoid name conflicts.
447 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
448 instead of using ir_type().
449 * profile.c (tree_register_profile_hooks): Likewise.
450 * value-prof.c (tree_register_value_prof_hooks): Likewise.
451 * basic-block.h (struct edge_def): Likewise.
452 * config/arm/arm.c (legitimize_pic_address): Likewise.
453 * coretypes.h (ir_type): New enum of all intermediate languages
455 * cfghooks.c (ir_type): Rename to...
456 (current_ir_type): ...this. Distinguish between cfgrtl and
457 cfglayout mode when the current IR is RTL. Return enum ir_type.
458 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
460 2006-11-03 Paul Brook <paul@codesourcery.com>
462 * config/arm/arm.c (arm_file_start): New function.
463 (TARGET_ASM_FILE_START): Define.
464 (arm_default_cpu): New variable.
465 (arm_override_options): Set arm_default_cpu.
467 2006-11-03 David Ung <davidu@mips.com>
469 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
470 PROCESSOR_24KC and PROCESSOR_24KF.
471 * config/mips/mips.c (mips_cpu_info_table): Add processor names
472 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
473 (mips_rtx_cost_data): Add costs for the 24kc.
474 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
475 * config/mips/24k.md: Remove references to 24k and replace with
476 uses of 24kc/24kf in the appropriate reservations.
477 * doc/invoke.texi (MIPS Options): Updated.
479 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
481 * config/sh/crt1.asm: Fix #ifdef indent.
483 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
484 Merged from STMicroelectronics sources:
485 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
486 * config/sh/crt1.asm (vbr_600): Add missing #if.
487 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
488 * sh.opt (mfused-madd): New option.
489 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
490 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
491 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
492 Remove pointless handler at VBR+0.
493 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
494 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
495 fr7. Make sure the timer handler is called with the correct FPU
496 precision setting, according to the ABI.
497 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
498 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
499 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
500 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
501 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
502 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
503 zero as second operand.
504 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
505 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
506 Fixed some bugs related to negative values, in particular -0
507 and overflow at -0x80000000.
508 * config/sh/divcost-analysis: Added sh4-300 figures.
509 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
510 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
511 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
512 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
513 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
514 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
516 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
518 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
519 SH4-300 scheduling description & fixes to SH4-[12]00 description:
520 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
521 mac_mem, mem_mac, dfp_mul, fp_cmp.
522 (insn_class, dfp_comp, any_fp_comp): Update.
523 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
524 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
525 (muldf3_i): Likewise.
526 (movsi_i): Split rI08 alternative into two separate alternatives.
528 (movsi_ie, movsi_i_lowpart): Likewise.
529 (movqi_i): Split ri alternative into two separate alternatives.
531 * sh1.md (sh1_load_store, sh1_fp): Update.
532 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
533 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
534 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
535 (sh4a_fp_double_arith): Likewise.
536 * sh4-300.md: New file.
537 * sh.c (sh_handle_option): Handle m4-300* options.
538 (sh_adjust_cost): Fix latency of auto-increments.
539 Handle SH4-300 differently than other SH4s. Check for new insn types.
540 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
541 been set by an option.
542 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
543 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
544 (mbranch-cost=): Likewise.
545 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
547 * sh.md (mulsf3): Remove special expansion code.
548 (mulsf3_ie): Now a define_insn_and_split.
549 (macsf3): Allow for TARGET_SH4.
551 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
552 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
553 (expand_cbranchdi4): Likewise.
554 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
555 CONST_DOUBLE if the outer code is COMPARE.
556 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
557 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
558 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
559 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
560 Remove redundant fp_{zero,one}_operand checks.
561 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
562 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
563 (expand_cbranchdi4): Likewise.
564 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
565 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
567 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
569 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
572 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
574 * doc/invoke.texi: Fix mfp-trap-mode typo.
576 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
578 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
579 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
580 file_end_indicate_exec_stack.
581 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
583 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
584 for a non-executable stack.
585 * crti.asm: Likewise.
586 * crtn.asm: Likewise.
587 * libunwind.S: Likewise.
589 2006-11-02 Ben Elliston <bje@au.ibm.com>
591 * tree-ssa.c (warn_uninit): Use expand_location variables for
592 locus and declaration locus.
594 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
597 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
598 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
599 cmp{eq,gt,gtu}{si,di}_media.
600 (*cmpne0si_media): Remove.
601 (*movsicc_umin): Adjust gen_cmp*_media call.
602 (unordered): Change the mode of unordered and operands[1] to
604 (seq): Adjust gen_cmp*_media calls. Make the mode of
605 a temporary result of compare SImode if needed. If the mode
606 of operands[0] is DImode, extend the temporary result to DImode.
607 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
608 (sunorderd): Change the mode of match_operand and unorderd to
610 (cmpeq{sf,df}_media): Remove.
611 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
612 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
613 and compare operation to SImode.
615 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
617 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
619 (sparc64-sun-solaris2*): Likewise.
621 2006-11-02 Paul Brook <paul@codesourcery.com>
623 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
624 from priority argument. Use different section for non-default
626 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
628 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
631 * except.c (switch_to_exception_section): Do not cache the section
632 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
633 and flag_function_sections is set.
635 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
638 * builtins.c (do_mpfr_sincos): New.
639 (fold_builtin_1): Use it to fold builtin sincos.
641 2006-11-01 Roger Sayle <roger@eyesopen.com>
643 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
644 it into -D_REENTRANT.
646 2006-11-01 Roger Sayle <roger@eyesopen.com>
648 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
649 whether the assembler supports taking the difference of symbols in
650 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
651 * configure: Regenerate.
652 * config.in: Regenerate.
653 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
654 the assembler doesn't support taking the difference of symbols in
655 different sections, i.e. we're using the native solaris assembler.
657 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
658 Peter Bergner <bergner@vnet.ibm.com>
660 * doc/invoke.texi: Add cpu_type power6x
661 (RS/6000 and PowerPC Options): Add -mmfpgpr.
662 * config.gcc: Add cpu_type power6x.
663 * configure.ac: Add test for mf{t,f}gpr instructions.
664 (HAVE_AS_MFPGPR): New.
665 * config.in: Regenerate.
666 * configure: Regenerate.
667 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
668 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
669 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
670 and mftgpr attributes.
671 (define_attr "cpu"): Add power6.
672 Change instruction sequences to use new attributes.
673 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
674 (fix_truncdfsi2_mfpgpr): New.
675 (floatsidf_ppc64_mfpgpr): New.
676 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
677 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
678 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
679 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
680 (fix_truncdfsi2): Use gpc_reg_operand constraint.
681 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
682 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
683 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
684 cntlz,exts and var_delayed_compare.
685 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
686 _ARCH_PWR6X, if features enabled.
687 * config/rs6000/rs6000.opt (mmfpgpr): New.
688 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
689 (cached_can_issue_more): New variable.
690 (processor_costs): Add power6_cost.
691 (rs6000_sched_init): New function.
692 (is_dispatch_slot_restricted): Deleted.
693 (set_to_load_agen): New function.
694 (is_load_insn,is_store_insn): New functions.
695 (adjacent_mem_locations): New function.
696 (insn_must_be_first_in_group): New function.
697 (insn_must_be_last_in_group): New function.
698 (rs6000_sched_reorder): New function.
699 (rs6000_sched_reorder2): New function.
700 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
701 TARGET_SCHED_REORDER2): Define.
702 (processor_target_table): Use PROCESSOR_POWER6 for power6.
703 Add power6x. Add MASK_MFPGPR for power6x.
704 (POWERPC_MASKS): Add MASK_MFPGPR.
705 (rs6000_override_options): Set rs6000_always_hint to false
706 for power6. Set rs6000_align_branch_targets. Replace
707 rs6000_sched_groups check with rs6000_align_branch_targets.
708 Use PROCESSOR_POWER6.
709 (last_scheduled_insn): New variable.
710 (load_store_pendulum): New variable.
711 (rs6000_variable_issue): Set last_scheduled_insn and
712 cached_can_issue_more.
713 (rs6000_adjust_cost): Add power6 cost adjustments.
714 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
715 with insn_must_be_first_in_group. Add power6 priority adjustments.
716 (rs6000_issue_rate): Add CPU_POWER6.
717 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
718 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
719 (TARGET_MFPGPR): New.
720 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
721 (ASM_CPU_SPEC): Add power6x.
722 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
724 * config/rs6000/power6.md: New file.
726 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
728 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
729 HOST_WIDE_INT_PRINT to print high and low parts. Use
730 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
731 printing a hexadecimal number prefix it with 0x.
733 2006-11-01 Chris Johns <chris@contemporary.net.au>
736 * Makefile.in (install-driver): Use exeext when installing
737 $target-gcc-$version.
739 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
741 * c-common.c (flag_cpp0x): New.
742 * c-common.h (flag_cpp0x): New.
743 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
744 supported, define __GXX_EXPERIMENTAL_CPP0X__.
745 * c-opts.c (set_std_cxx0x): New.
746 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
747 * c.opt (std=c++0x): Document.
748 (std=gnu++0x): Ditto.
749 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
750 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
752 2006-11-01 Richard Guenther <rguenther@suse.de>
754 * config/i386/i386.c (ix86_expand_rint): Fix issues with
756 (ix86_expand_floorceildf_32): Likewise.
757 (ix86_expand_floorceil): Likewise.
758 (ix86_expand_trunc): Likewise.
760 2006-10-31 Andrew Pinski <pinskia@gmail.com>
762 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
765 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
767 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
769 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
771 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
773 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
774 * configure.ac (use_cxa_atexit): As a special case, don't test
775 for libc definition of __cxa_atexit on mingw32
776 * configure: Regenerate.
777 * config.gcc (i[34567]86-pc-mingw32): Default to
778 enable__cxa_atexit=yes.
780 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
782 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
784 2006-10-31 Geoffrey Keating <geoffk@apple.com>
787 * c-decl.c (start_struct): Don't create self-containing
789 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
791 * config/rs6000/rs6000-protos.h
792 (darwin_rs6000_special_round_type_align): New.
793 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
794 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
796 2006-10-31 Geoffrey Keating <geoffk@apple.com>
798 * toplev.c (compile_file): Call final_write_globals
799 even if there have been errors.
801 2006-10-31 Eric Christopher <echristo@apple.com>
802 Falk Hueffner <falk@debian.org>
804 * doc/extend.texi (__builtin_bswap32): Document.
805 (__builtin_bswap64): Ditto.
806 * doc/libgcc.texi (bswapsi2): Document.
808 * doc/rtl.texi (bswap): Document.
809 * optabs.c (expand_unop): Don't widen a bswap.
810 (init_optabs): Init bswap. Set libfuncs explicitly
811 for bswapsi2 and bswapdi2.
812 * optabs.h (OTI_bswap): New.
813 (bswap_optab): Ditto.
814 * genopinit.c (optabs): Handle bswap_optab.
815 * tree.h (tree_index): Add TI_UINT32_TYPE and
817 (uint32_type_node): New.
818 (uint64_type_node): Ditto.
819 * tree.c (build_common_tree_nodes_2): Initialize
820 uint32_type_node and uint64_type_node.
821 * builtins.c (expand_builtin_bswap): New.
822 (expand_builtin): Call.
823 (fold_builtin_bswap): New.
824 (fold_builtin_1): Call.
825 * fold-const.c (tree_expr_nonnegative_p): Return true
827 * builtin-types.def (BT_UINT32): New.
829 (BT_FN_UINT32_UINT32): Ditto.
830 (BT_FN_UINT64_UINT64): Ditto.
831 * builtins.def (BUILT_IN_BSWAP32): New.
832 (BUILT_IN_BSWAP64): Ditto.
833 * rtl.def (BSWAP): New.
834 * genattrtab.c (check_attr_value): New.
835 * libgcc2.c (__bswapSI2): New.
837 * libgcc2.h (__bswapSI2): Declare.
839 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
840 * simplify-rtx.c (simplify_const_unary_operation): Return
842 * libgcc-std.ver (__bwapsi2): Add.
844 * reload1.c (eliminate_regs_1): Add bswap.
845 (elimination_effects): Ditto.
846 * config/i386/i386.h (x86_bswap): New.
848 * config/i386/i386.c (x86_bswap): Set.
850 2006-10-31 Geoffrey Keating <geoffk@apple.com>
852 * coverage.c (coverage_checksum_string): Update comment.
853 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
854 of get_file_function_name.
855 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
856 of get_file_function_name_long.
857 * tree.c (get_file_function_name): Rename from
858 get_file_function_name_long; improve comment; handle 'I' and 'D'
859 specially when the target has ctor/dtor support; remove special
861 (get_file_function_name): Remove.
862 * tree.h (get_file_function_name): Rename from
863 get_file_function_name_long.
864 (get_file_function_name): Remove prototype.
866 2006-10-31 Geoffrey Keating <geoffk@apple.com>
868 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
869 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
871 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
872 Call dsymutil when compiling and linking one or more source files
875 2006-10-31 Geoffrey Keating <geoffk@apple.com>
878 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
880 2006-10-31 Geoffrey Keating <geoffk@apple.com>
882 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
883 inline static functions in c99 mode.
886 * doc/extend.texi (Inline): Update.
887 * c-tree.h (struct language_function): Remove field 'extern_inline'.
888 * c-decl.c (current_extern_inline): Delete.
889 (pop_scope): Adjust test for an undefined nested function.
890 Add warning about undeclared inline function.
891 (diagnose_mismatched_decls): Update comments. Disallow overriding
892 of inline functions in a translation unit in C99. Allow inline
893 declarations in C99 at any time.
894 (merge_decls): Boolize variables. Handle C99 'extern inline'
896 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
897 C99 inline semantics.
898 (start_function): Don't clear current_extern_inline. Don't set
900 (c_push_function_context): Don't push current_extern_inline.
901 (c_pop_function_context): Don't restore current_extern_inline.
904 * c-typeck.c (build_external_ref): Warn about static variables
905 used in extern inline functions.
906 * c-decl.c (start_decl): Warn about static variables declared
907 in extern inline functions.
909 2006-10-31 Roger Sayle <roger@eyesopen.com>
912 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
913 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
914 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
915 or y is an even integer.
917 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
920 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
921 * gthr-posix95.h (__gthread_active_p): Likewise.
923 2006-10-31 Richard Guenther <rguenther@suse.de>
925 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
926 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
927 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
928 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
929 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
930 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
931 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
932 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
935 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
937 * opts.c (decode_options): Disable CSE skip blocks.
939 2006-10-30 Dirk Mueller <dmueller@suse.de>
941 * c-common.h (strict_aliasing_warning): Fix whitespace.
942 * c-decl (start_function): Move code for main decl warning ..
943 * c-common.c (check_main_parameter_types): .. here.
944 * c-common.h (check_main_parameter_types): Declare.
946 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
949 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
951 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
953 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
954 be a PARALLEL containing sets. Return false when out_pat is not
957 2006-10-30 Richard Sandiford <richard@codesourcery.com>
959 * config/mips/mips.md (mul<mode>3): Split into...
960 (mulsi3, muldi3): ...these separate patterns.
962 2006-10-30 Richard Sandiford <richard@codesourcery.com>
964 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
965 but with each set of options separated by spaces.
967 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
969 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
970 dwarf_reg_size_table has been initialized.
972 2006-10-30 Roger Sayle <roger@eyesopen.com>
974 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
975 * ddg.c (print_ddg_edge): Likewise.
976 * dwarf2out.c (prune_unused_types_walk): Likewise.
977 * ifcvt.c (noce_try_cmove_arith): Likewise.
978 * langhooks.c (add_builtin_function): Likewise.
979 * reg-stack.c (subst_stack_regs_pat): Likewise.
980 * tree.c (expanded_location): Likewise.
981 * tree-dump.c (dequeue_and_dump): Likewise.
983 2006-10-30 David Daney <ddaney@avtrex.com>
985 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
987 2006-10-30 Jakub Jelinek <jakub@redhat.com>
989 PR tree-optimization/29637
990 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
991 of the innertype is the innertype itself.
993 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
995 * dwarf2out.c (file_name_acquire): Correct typo.
997 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
999 * tree.h (tree_value_handle): Remove struct value_set declaration.
1000 Change value_set to bitmap_set.
1001 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1002 * tree-vn.c (get_value_handle): Made inline and moved to
1004 * tree-flow-inline.h: (has_stmt_ann): New function.
1005 * tree-ssa-pre.c (expressions): New variable.
1006 (next_expression_id): Ditto.
1007 (alloc_expression_id): New function.
1008 (struct value_set): Remove.
1009 (get_expression_id): New function.
1010 (get_or_alloc_expression_id): Ditto.
1011 (expression_for_id): Ditto.
1012 (clear_expression_ids): Ditto.
1013 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1014 (bb_value_sets): Renamed to bb_bitmap_sets.
1015 All value sets replaced with bitmap_sets.
1017 (BB_VISITED): New macro.
1018 (postorder): New variable.
1019 (add_to_value): Removed.
1020 (value_exists_in_set_bitmap): Ditto.
1021 (value_insert_into_set_bitmap): Ditto.
1024 (set_remove): Ditto.
1025 (set_contains_value): Ditto.
1026 (insert_into_set): Ditto.
1028 (find_leader): Ditto.
1029 (bitmap_set_subtract_from_value_set): Ditto.
1030 (value_insert_into_set): Ditto.
1031 (print_value_set): Ditto.
1032 (debug_value_set): Ditto.
1033 (constant_expr_p): New function.
1034 (bitmap_remove_from_set): Ditto.
1035 (bitmap_insert_into_set): Ditto.
1036 (bitmap_set_free): Ditto.
1037 (vh_compare): Ditto.
1038 (sorted_array_from_bitmap_set): Ditto.
1039 (bitmap_set_subtract): Ditto.
1040 (bitmap_set_equal): Ditto.
1041 (debug_bitmap_set): Ditto.
1042 (find_leader_in_sets): Ditto.
1043 (bitmap_set_replace_value): Modify for bitmapped sets.
1044 (phi_translate): Ditto.
1045 (phi_translate_set): Ditto.
1046 (bitmap_find_leader): Ditto.
1047 (valid_in_sets): Ditto.
1048 (union_contains_value): Ditto.
1050 (compute_antic_aux): Ditto. Mark changed blocks.
1051 (compute_antic): Ditto. Iterate in postorder and only over
1053 (compute_rvuse_and_antic_safe): Reuse postorder.
1054 (create_component_ref_by_pieces): Modify for bitmapped sets.
1055 (find_or_generate_expression): Ditto.
1056 (create_expression_by_pieces): Ditto.
1057 (insert_into_preds_of_block): Ditto.
1058 (changed_blocks): New variable.
1059 (do_regular_insertion): Broken out from insert_aux.
1060 (insert_aux): Modified for bitmapped sets.
1061 (find_existing_value_expr): New function.
1062 (create_value_expr_from): Use it.
1063 (insert_extra_phis): Removed.
1064 (print_bitmap_set): Renamed from bitmap_print_value_set.
1065 (compute_avail): Handle RETURN_EXPR.
1066 (init_pre): Modify for bitmapped sets.
1067 * tree-flow.h (has_stmt_ann): New function.
1069 2006-10-29 Roger Sayle <roger@eyesopen.com>
1071 * builtins.c (fold_builtin_floor): Check for the availability of
1072 the C99 trunc function before transforming floor into trunc.
1074 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1076 * builtins.c (fold_builtin_hypot): Rearrange recursive
1077 transformation before others, and also do ABS_EXPR. When
1078 necessary, check flag_unsafe_math_optimizations. When necessary,
1081 2006-10-29 Roger Sayle <roger@eyesopen.com>
1083 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1084 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1085 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1086 Fold -X eq/ne -Y as X eq/ne Y.
1088 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1090 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1091 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1092 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1093 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1094 Use an inclusive test for "mult" rather than "mul".
1095 (rotr<mode>3): Depend on ISA_HAS_ROR.
1096 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1098 (GENERATE_MULT3_DI): Delete.
1099 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1100 (ISA_HAS_MUL3): New macro.
1101 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1102 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1103 (ISA_HAS_CLZ_CLO): Likewise.
1104 (ISA_HAS_DCLZ_DCLO): Delete.
1105 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1106 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1107 the VR4120 and VR4130.
1108 (ISA_HAS_MACCHI): Use consistent formatting.
1109 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1110 (ISA_HAS_ROR): ...this new macro.
1111 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1112 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1113 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1115 2006-10-29 Roger Sayle <roger@eyesopen.com>
1117 PR tree-optimization/15458
1118 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1121 2006-10-29 Richard Guenther <rguenther@suse.de>
1123 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1124 (ix86_expand_truncdf_32): Likewise.
1125 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1126 trunc inline for SSE math and -fno-trapping-math and if not
1127 optimizing for size.
1128 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1129 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1130 for expanding btrunc inline for SSE math.
1132 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1134 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1135 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1136 i[34567]86-*-solaris2.1[0-9]*.
1137 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1138 Define conditionally depending on TARGET_64BIT_DEFAULT.
1139 (SPEC_32, SPEC_64): Define.
1140 (LINK_SPEC): Use them.
1141 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1143 2006-10-29 Richard Guenther <rguenther@suse.de>
1145 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1146 (ix86_expand_rounddf_32): Likewise.
1147 * config/i386/i386.c (ix86_expand_round): New function expanding
1148 round inline for SSE math and -fno-trapping-math and if not
1149 optimizing for size.
1150 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1151 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1152 round via ix86_expand_round.
1154 2006-10-29 Richard Guenther <rguenther@suse.de>
1156 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1157 (ix86_expand_floorceildf_32): Likewise.
1158 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1159 static helper function.
1160 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1162 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1163 * config/i386/i386.md (floordf2): Adjust to enable floor
1164 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1165 -fno-trapping-math is enabled and if not optimizing for size.
1166 (floorsf2, ceildf2, ceilsf2): Likewise.
1167 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1168 (sse2_maskcmpdf3): Likewise.
1170 2006-10-29 Richard Guenther <rguenther@suse.de>
1172 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1173 rint in case -fno-trapping-math is enabled.
1174 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1175 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1176 (ix86_expand_sse_fabs): Likewise.
1177 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1178 * config/i386/i386.md (rintdf2): Enable for SSE math if
1179 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1180 (rintsf2): Likewise.
1182 2006-10-29 Richard Guenther <rguenther@suse.de>
1184 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1185 to conversion optabs.
1186 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1187 as conversion optab.
1188 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1189 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1190 (lfloor_optab, lceil_optab): Adjust defines.
1191 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1192 lfloor and lceil optabs now being conversion optabs.
1193 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1194 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1195 New static helper function.
1196 (ix86_expand_lfloorceil): New function to expand lfloor and
1198 * config/i386/i386.md (lfloor<mode>2): Split into ...
1199 (lfloorxf<mode>2): ... x87 variant
1200 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1201 using ix86_expand_lfloorceil.
1202 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1204 * doc/md.texi (lfloorMN, lceilMN): Document.
1206 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1208 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1209 -mno-shared assembler option on mips targets.
1210 * configure, config.in: Regenerate.
1211 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1212 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1213 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1215 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1217 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1218 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1220 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1222 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1223 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1226 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1230 (fold_builtin_pow): Evaluate constant arguments at compile-time
1232 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1233 (do_mpfr_ckconv): New helper function.
1234 (do_mpfr_arg1): Use do_mpfr_ckconv.
1235 (do_mpfr_arg2): New.
1237 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1240 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1241 (-fdump-rtl-sched): Rename to ..
1242 (-fdump-rtl-sched1): here. Also fix file extension number.
1244 2006-10-28 Richard Guenther <rguenther@suse.de>
1246 * fold-const.c (maybe_canonicalize_comparison): Fix code
1249 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1251 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1252 (NON_QI_REG_P): Use IN_RANGE.
1253 (REX_INT_REGNO_P): Use IN_RANGE.
1254 (FP_REGNO_P): Use IN_RANGE.
1255 (SSE_REGNO_P): Use IN_RANGE.
1256 (REX_SSE_REGNO_P): Use IN_RANGE.
1257 (MMX_REGNO_P): Use IN_RANGE.
1258 (STACK_REGNO_P): New macro.
1259 (STACK_REG_P): Use STACK_REGNO_P.
1260 (NON_STACK_REG_P): Use STACK_REGNO_P.
1261 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1262 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1263 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1264 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1265 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1267 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1269 * except.h (output_function_exception_table): Add 'const char*' param.
1270 * except.c (switch_to_exception_section): Add 'const char*' param.
1271 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1272 and flag_function_sections is set, use a function-specific section.
1273 (output_function_exception_table): Add 'const char*' param.
1274 Adjust call to switch_to_exception_section.
1275 * final.c (rest_of_handle_final): Adjust calls to
1276 output_function_exception_table.
1277 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1278 * config.in: Regenerate.
1279 * configure: Likewise.
1281 2006-10-28 Richard Guenther <rguenther@suse.de>
1284 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1285 for maybe_canonicalize_comparison.
1286 (maybe_canonicalize_comparison): New function for canonicalizing
1288 (fold_comparison): Call it to canonicalize comparisons with
1291 2006-10-28 Richard Guenther <rguenther@suse.de>
1294 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1295 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1296 (expand_builtin): Adjust likewise.
1297 * genopinit.c (optabs[]): Add lround optab.
1298 * optabs.c (init_optabs): Initialize lround_optab.
1299 * optabs.h (enum convert_optab_index): Add COI_lround.
1300 (lround_optab): Define.
1301 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1302 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1304 (ix86_expand_lround): New function.
1305 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1307 * doc/md.texi (lroundMN2): Document.
1309 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1312 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1313 argument to HOST_WIDE_INT. Update function prototype.
1314 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1315 "size" argument to HOST_WIDE_INT. Update function prototype.
1317 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1319 * config/i386/i386.c (output_387_ffreep): Create output from a
1320 template string for !HAVE_AS_IX86_FFREEP.
1322 2006-10-27 Eric Christopher <echristo@apple.com>
1324 * config/darwin.c: Fix formatting and grammar.
1326 2006-10-27 Jan Hubicka <jh@suse.cz>
1328 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1329 to be thrown away soon when IGNORE is set.
1330 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1331 indicating when return value shall not be computed.
1332 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1334 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1336 * config/i386/i386.h (TARGET_GEODE):
1337 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1338 (TARGET_CPU_DEFAULT_geode): New macro.
1339 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1340 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1341 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1342 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1343 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1345 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1346 (processor_type): Add PROCESSOR_GEODE.
1348 * config/i386/i386.md: Include geode.md.
1351 * config/i386/i386.c (geode_cost): New initialized global
1353 (m_GEODE, m_K6_GEODE): New macros.
1354 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1355 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1356 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1357 x86_schedule): Use m_K6_GEODE instead of m_K6.
1358 (x86_movx, x86_cmove): Set up m_GEODE.
1359 (x86_integer_DFmode_moves): Clear m_GEODE.
1360 (processor_target_table): Add entry for geode.
1361 (processor_alias_table): Ditto.
1363 * config/i386/geode.md: New file.
1365 * doc/invoke.texi: Add entry about geode processor.
1367 2006-10-27 Mike Stump <mrs@apple.com>
1369 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1370 __DYNAMIC__ from here back to ...
1371 * config/darwin.h (CPP_SPEC): ... here.
1373 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1374 Nathan Sidwell <nathan@codesourcery.com>
1376 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1377 when choosing the minimum heapsize.
1379 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1381 * gcc/unwind-dw2.h: Move cfa-related variables into
1382 struct frame_state_reg_info to ensure that the CFA is properly
1383 handled when executing DW_CFA_{remember,restore}_state.
1384 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1385 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1386 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1387 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1388 gcc/config/rs6000/linux-unwind.h,
1389 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1390 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1391 Modify to use new cfa_* fields.
1393 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1395 * config/s390/s390.c (s390_init_frame_layout): Check positive
1398 2006-10-26 Ben Elliston <bje@au.ibm.com>
1400 * gimplify.c (get_name): Remove extraneous break.
1401 (gimplify_omp_for): Initialise ret with GS_OK.
1403 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1405 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1406 Add unix98.o to link line.
1408 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1411 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1412 Calculate compile-time constants using MPFR.
1413 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1414 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1416 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1418 * config/xtensa/lib2funcs.S: Use C-style comments.
1420 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1422 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1423 (file_table_relative_p): Likewise.
1424 (dwarf2out_finish): Likewise.
1425 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1427 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1429 * tree-ssa-structalias.c (intra_create_variable_infos):
1430 Don't recreate nonlocal_all if it already exists.
1432 2006-10-25 Richard Guenther <rguenther@suse.de>
1435 * optabs.h (enum optab_index): Remove OTI_lrint.
1436 (enum convert_optab_index): Add COI_lrint.
1437 (lrint_optab): Adjust.
1438 (expand_sfix_optab): Declare.
1439 * optabs.c (expand_sfix_optab): New function.
1440 (init_optabs): Init lrint_optab as conversion optab.
1441 * genopinit.c (lrint_optab): Change to a conversion optab.
1442 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1443 expansion via conversion optab.
1444 * config/i386/i386.md (*fistdi2_1): Remove
1445 flag_unsafe_math_optimizations guard.
1446 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1447 fist<mode>2_with_temp): Likewise.
1448 (lrint<mode>2): Split into...
1449 (lrintxf<mode>2): ... x87 part
1450 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1451 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1452 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1453 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1454 * doc/md.texi (lrintMN2): Document.
1456 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1459 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1460 Use inc and dec instructions for TARGET_USE_INCDEC.
1461 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1462 ("sync_double_compare_and_swap<mode>"): Likewise.
1463 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1464 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1465 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1466 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1467 ("sync_old_add<mode>"): Likewise.
1468 ("sync_lock_test_and_set<mode>"): Likewise.
1469 ("sync_lock_test_and_set<mode>"): Likewise.
1470 ("sync_add<mode>"): Likewise.
1471 ("sync_sub<mode>"): Likewise.
1472 ("sync_ior<mode>"): Likewise.
1473 ("sync_and<mode>"): Likewise.
1474 ("sync_xor<mode>"): Likewise.
1476 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1478 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1479 (remainder_optab): Define corresponding macro.
1480 (drem_optab): Remove.
1481 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1482 drem_optab initialization.
1483 * genopinit.c (optabs): Implement remainder_optab using
1484 remainder?f3 patterns. Remove drem_optab.
1485 * builtins.c (expand_builtin_mathfn_2): Handle
1486 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1487 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1488 expand_builtin_mathfn_2.
1490 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1491 depend on flag_unsafe_math_optimizations.
1493 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1494 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1495 Do not depend on flag_unsafe_math_optimizations. Use
1496 truncxf?f expander instead of truncxf?f_i387_noop.
1498 ("fpremxf4", "fprem1xf4"): Do not depend on
1499 flag_unsafe_math_optimizations.
1500 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1501 flag_unsafe_math_optimizations. Use truncxf?f expander
1502 instead of truncxf?f_i387_noop.
1504 * doc/md.texi (fmod, remainder): Document standard named pattern.
1506 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1507 David Daney <ddaney@avtrex.com>
1510 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1512 2006-10-25 Ben Elliston <bje@au.ibm.com>
1514 * doc/extend.texi (Variable Attributes): Typo fix.
1516 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1518 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1519 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1520 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1521 (FRAME_POINTER_REGNUM): Update register number to 21.
1522 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1523 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1525 * config/i386/i386.c (regclass_map): Add fpcr entry.
1526 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1528 (print_reg): Assert REGNO (x) != FPCR_REG.
1530 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1531 (DIRFLAG_REG): Renumber.
1532 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1533 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1534 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1535 hardcoded SSE register numbers.
1537 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1538 hardcoded MMX register numbers.
1540 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1544 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1546 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1547 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1548 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1549 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1551 2006-10-24 Richard Guenther <rguenther@suse.de>
1554 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1555 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1556 for deciding optimizations in consistency with fold-const.c
1557 (fold_builtin_unordered_cmp): Likewise.
1559 2006-10-24 Richard Guenther <rguenther@suse.de>
1561 * builtins.c (fold_builtin_floor): Fold floor (x) where
1562 x is nonnegative to trunc (x).
1563 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1564 nonnegative to FIX_TRUNC_EXPR.
1566 2006-10-24 Richard Guenther <rguenther@suse.de>
1568 PR tree-optimization/29567
1569 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1570 for TRUTH_NOT_EXPR. Clarify comments.
1572 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1575 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1576 at compile-time using MPFR. Change parameter VALUE to FUNC,
1578 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1579 for overflow and underflow at all times and avoid folding in
1582 2006-10-24 Ben Elliston <bje@au.ibm.com>
1584 * reload1.c: Formatting fixes.
1586 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1588 PR tree-optimization/14784
1589 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1590 * tree-ssa-structalias.c (get_constraint_for,
1591 intra_create_variable_infos): Set is_heapvar.
1592 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1593 non-heapvar pointer variables specially.
1595 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1598 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1599 fold_builtin_tan): Fold all constant arguments. Take a "type"
1600 argument as necessary.
1601 (do_mpfr_arg1): New.
1602 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1604 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1606 * config/xtensa/lib1funcs.asm: Use C-style comments.
1608 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1610 * tree.c (local_define_builtin): Replace calls to
1611 lang_hooks.builtin_function with add_builtin_function.
1612 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1614 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1616 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1617 common code to add_builtin_function.
1618 * langhooks.c (add_builtin_function): New function.
1619 (lhd_builtin_function): New function.
1620 * langhooks.h (struct lang_hooks): Change the signature of
1622 (add_builtin_function): New function.
1623 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1624 calls to lang_hooks.builtin_function with add_builtin_function.
1625 * c-common.c (decl_builtin_1): Replace calls to
1626 lang_hooks.builtin_function with add_builtin_function.
1627 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1628 lang_hooks.builtin_function with add_builtin_function.
1629 * config/frv/frv.c (def_builtin): Replace calls to
1630 lang_hooks.builtin_function with add_builtin_function.
1631 * config/s390/s390.c (s390_init_builtins): Replace calls to
1632 lang_hooks.builtin_function with add_builtin_function.
1633 * config/sparc/sparc.c (def_builtin): Replace calls to
1634 lang_hooks.builtin_function with add_builtin_function.
1635 * config/i386/i386.c (def_builtin): Replace calls to
1636 lang_hooks.builtin_function with add_builtin_function.
1637 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1638 lang_hooks.builtin_function with add_builtin_function.
1639 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1640 lang_hooks.builtin_function with add_builtin_function.
1641 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1642 Replace calls to lang_hooks.builtin_function with
1643 add_builtin_function.
1644 * config/iq2000/iq2000.c (def_builtin):
1645 Replace calls to lang_hooks.builtin_function with
1646 add_builtin_function.
1647 * config/ia64/ia64.c (def_builtin): Replace calls to
1648 lang_hooks.builtin_function with add_builtin_function.
1649 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1650 lang_hooks.builtin_function with add_builtin_function.
1651 (altivec_init_builtins): Replace calls to
1652 lang_hooks.builtin_function with add_builtin_function.
1653 * config/arm/arm.c (def_mbuiltin): Replace calls to
1654 lang_hooks.builtin_function with add_builtin_function.
1655 (arm_init_tls_builtins): Replace calls to
1656 lang_hooks.builtin_function with add_builtin_function.
1657 * config/mips/mips.c (mips_init_builtins): Replace calls to
1658 lang_hooks.builtin_function with add_builtin_function.
1659 * config/bfin/bfin.c (def_builtin): Replace calls to
1660 lang_hooks.builtin_function with add_builtin_function.
1661 * langhooks-def.h (lhd_builtin_function): New function.
1662 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1664 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1666 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1667 BUILT_IN_STRNCAT_CHK.
1669 2006-10-23 Jan Hubicka <jh@suse.cz>
1671 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1672 don't do conversion from memmove to memcpy here.
1673 (expand_builtin_bcopy, expand_builtin): Update call of
1674 expand_builtin_memmove.
1675 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1677 2006-10-23 Paul Brook <paul@codesourcery.com>
1679 * stor-layout.c (start_record_layout): maximum_field_alignment
1680 overrides STRUCTURE_SIZE_BOUNDARY.
1682 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1684 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1685 nonlocal function symbols if flag_pic.
1687 2006-10-23 Richard Guenther <rguenther@suse.de>
1691 * builtins.c (fold_binary): Remove checks for flag_wrapv
1692 and flag_trapv where negate_expr_p covers these cases.
1694 2006-10-23 Richard Guenther <rguenther@suse.de>
1697 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1698 of two on the absolute value.
1699 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1700 and negating -C does not overflow.
1702 2006-10-23 Richard Guenther <rguenther@suse.de>
1705 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1706 only if not flag_rounding_math.
1708 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1709 Kaz Kojima <kkojima@gcc.gnu.org>
1712 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1713 SImode memory reference for the source of a movua.
1714 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1715 (movua): Use an unspec instead of sign_extract. Expect the source
1716 to have mode BLKmode.
1717 (extv, insv): Use a BLKmode rather than SImode memory reference
1718 for the source of a movua.
1720 2006-10-22 Jeff Law <law@redhat.com>
1721 Richard Guenther <rguenther@suse.de>
1723 PR tree-optimization/15911
1724 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1725 (register_edge_assert_for_1): Likewise.
1726 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1727 (find_conditional_asserts): Adjust for new function signature.
1728 (find_assert_locations): Likewise.
1730 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1732 * config/i386/tmmintrin.h: Remove the duplicated content.
1734 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1736 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1737 (x86_64-*-*): Likewise.
1739 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1740 (override_options): Check SSSE3.
1741 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1742 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1743 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1744 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1745 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1746 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1747 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1748 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1749 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1750 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1751 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1752 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1753 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1754 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1755 IX86_BUILTIN_PABSD128.
1756 (bdesc_2arg): Add SSSE3.
1757 (bdesc_1arg): Likewise.
1758 (ix86_init_mmx_sse_builtins): Support SSSE3.
1759 (ix86_expand_builtin): Likewise.
1760 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1762 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1763 (UNSPEC_PSIGN): Likewise.
1764 (UNSPEC_PALIGNR): Likewise.
1765 Include mmx.md before sse.md.
1767 * config/i386/i386.opt: Add -mssse3.
1769 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1770 (ssse3_phaddwv4hi3): Likewise.
1771 (ssse3_phadddv4si3): Likewise.
1772 (ssse3_phadddv2si3): Likewise.
1773 (ssse3_phaddswv8hi3): Likewise.
1774 (ssse3_phaddswv4hi3): Likewise.
1775 (ssse3_phsubwv8hi3): Likewise.
1776 (ssse3_phsubwv4hi3): Likewise.
1777 (ssse3_phsubdv4si3): Likewise.
1778 (ssse3_phsubdv2si3): Likewise.
1779 (ssse3_phsubswv8hi3): Likewise.
1780 (ssse3_phsubswv4hi3): Likewise.
1781 (ssse3_pmaddubswv8hi3): Likewise.
1782 (ssse3_pmaddubswv4hi3): Likewise.
1783 (ssse3_pmulhrswv8hi3): Likewise.
1784 (ssse3_pmulhrswv4hi3): Likewise.
1785 (ssse3_pshufbv16qi3): Likewise.
1786 (ssse3_pshufbv8qi3): Likewise.
1787 (ssse3_psign<mode>3): Likewise.
1788 (ssse3_psign<mode>3): Likewise.
1789 (ssse3_palignrti): Likewise.
1790 (ssse3_palignrdi): Likewise.
1791 (abs<mode>2): Likewise.
1792 (abs<mode>2): Likewise.
1794 * config/i386/tmmintrin.h: New file.
1796 * doc/extend.texi: Document SSSE3 built-in functions.
1798 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1800 2006-10-22 Ira Rosen <irar@il.ibm.com>
1802 * tree-vect-transform.c (vectorizable_load): Use the type of the
1803 return value of the mask_for_load builtin to create realign_load
1806 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1808 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1811 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1813 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1814 (UNSPEC_LDDQU): This.
1815 * config/i386/sse.md (sse3_lddqu): Updated.
1817 2006-10-21 Richard Guenther <rguenther@suse.de>
1819 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1820 (expand_builtin): Use it to expand lrint instead of
1821 expand_builtin_mathfn.
1823 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1826 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1827 flag_unsafe_math_optimizations is set.
1829 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1832 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1833 patterns to use memory input operand in x87->mem->XMM
1834 reload sequences. Skip transformation for TARGET_K8.
1836 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1838 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1839 force operand1 to register if both operands are memory operands.
1840 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1841 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1842 if both operands are memory operands.
1843 (truncdfsf2): Do not force operand1 to register if both operands
1844 are memory operands.
1846 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1848 * Makefile.in (LIBS): Add $(GMPLIBS).
1849 * doc/install.texi: Update GMP and MPFR requirements.
1850 * doc/sourcebuild.texi (need_gmp): Delete.
1852 2006-10-21 Richard Guenther <rguenther@suse.de>
1854 PR tree-optimization/3511
1855 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1856 got new invariant arguments during PHI translation.
1858 2006-10-21 Richard Guenther <rguenther@suse.de>
1861 * fold-const.c (fold_comparison): Fold signed comparisons
1862 of the form X +- C1 CMP Y +- C2.
1864 2006-10-21 Richard Guenther <rguenther@suse.de>
1867 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1868 if flag_unsafe_math_optimizations is specified. We have
1869 flag_finite_math_only for that.
1870 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1871 or flag_unsafe_math_optimizations.
1873 2006-10-21 Richard Guenther <rguenther@suse.de>
1875 * builtins.c (fold_builtin_classify): Fix typo.
1877 2006-10-21 Richard Guenther <rguenther@suse.de>
1880 * simplify-rtx.c (simplify_const_relational_operation):
1881 Do not constant-fold ORDERED and UNORDERED for
1882 flag_unsafe_math_optimizations but only we do not need to
1883 honor NaNs for the given mode.
1885 2006-10-21 Richard Guenther <rguenther@suse.de>
1888 * config/i386/i386.c (classify_argument): Remove redundant
1889 walking of the BINFOs.
1890 (contains_128bit_aligned_vector_p): Likewise.
1892 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1894 * BASE-VER: Set to 4.3.0.
1896 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1898 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1899 (tree_decl_with_vis): Remove artificial_pta_var flag.
1900 * tree-flow.h (referenced_var_check_and_insert): Expose.
1901 (nonlocal_all): New prototype.
1902 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1903 (nonlocal_all): Make global.
1904 (nonlocal_lookup): Remove.
1905 (nonlocal_insert): Ditto.
1906 (create_nonlocal_var): Do not call nonlocal_insert.
1907 (get_nonlocal_id_for_type): Remove.
1908 (find_global_initializers): Mark new vars we find for renaming.
1909 (intra_create_variable_infos): Only create one nonlocal.
1910 (expand_nonlocal_solutions): Remove.
1911 (compute_points_to_sets): Don't call it.
1912 (ipa_pta_execute): Ditto.
1913 (init_alias_heapvars): Don't create nonlocal_for_type.
1914 (delete_alias_heapvars): Don't remove it.
1915 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1918 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1920 * doc/install.texi (Downloading GCC): Clarify mention of
1921 Fortran in the "full distribution" description.
1923 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1925 Fix PR tree-optimization/28778
1926 Fix PR tree-optimization/29156
1927 Fix PR tree-optimization/29415
1928 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1929 (tree_decl_with_vis): Add artificial_pta_var flag.
1930 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1931 pushed into callers.
1932 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1933 (nonlocal_all): Ditto.
1934 (struct variable_info): Add directly_dereferenced member.
1935 (var_escaped_vars): New variable.
1936 (escaped_vars_tree): Ditto.
1937 (escaped_vars_id): Ditto.
1938 (nonlocal_vars_id): Ditto.
1939 (new_var_info): Set directly_dereferenced.
1940 (graph_size): New variable
1941 (build_constraint_graph): Use graph_size.
1942 (solve_graph): Don't process constraints that cannot change the
1943 solution, don't try to propagate an empty solution to our
1945 (process_constraint): Set directly_dereferenced.
1946 (could_have_pointers): New function.
1947 (get_constraint_for_component_ref): Don't process STRING_CST.
1948 (nonlocal_lookup): New function.
1949 (nonlocal_insert): Ditto.
1950 (create_nonlocal_var): Ditto.
1951 (get_nonlocal_id_for_type): Ditto.
1952 (get_constraint_for): Allow results vector to be empty in the case
1953 of string constants.
1954 Handle results of calls properly.
1955 (update_alias_info): Update alias info stats on number and type of
1957 (find_func_aliases): Use could_have_pointers.
1958 (make_constraint_from_escaped): Renamed from
1959 make_constraint_to_anything, and changed to make constraints from
1961 (make_constraint_to_escaped): New function.
1962 (find_global_initializers): Ditto.
1963 (create_variable_info_for): Make constraint from escaped to any
1964 global variable, and from any global variable to the set of
1966 (intra_create_variable_infos): Deal with escaped instead of
1967 pointing to anything.
1968 (set_uids_in_ptset): Do type pruning on directly dereferenced
1970 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1971 (init_base_vars): Fix comment, and initialize escaped_vars.
1972 (need_to_solve): Removed.
1973 (find_escape_constraints): New function.
1974 (expand_nonlocal_solutions): Ditto.
1975 (compute_points_to_sets): Call find_escape_constraints and
1976 expand_nonlocal_solutions.
1977 (delete_points_to_sets): Don't fall off the end of the graph.
1978 (init_alias_heapvars): Initialize nonlocal_for_type and
1980 (delete_alias_heapvars): Free nonlocal_for_type and null out
1983 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1985 * fold-const.c (add_double): Rename to add_double_with_sign.
1986 Add 'unsigned_p' parameter and take it into account for the overflow.
1987 (mul_double): Rename to mul_double_with_sign.
1988 Add 'unsigned_p' parameter and take it into account for the overflow.
1989 (fold_div_compare): Call add_double_with_sign instead of add_double
1990 and mul_double_with_sign instead of mul_double, passing them the
1991 unsignedness of the type.
1992 * tree.h (add_double): Macroize.
1993 (add_double_with_sign): New prototype.
1994 (mul_double): Macroize.
1995 (mul_double_with_sign): New prototype.
1997 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1999 * config/score/crti.asm: New file.
2000 * config/score/crtn.asm: New file.
2001 * config/score/elf.h: New file.
2002 * config/score/mac.md: New file.
2003 * config/score/misc.md: New file.
2004 * config/score/mul-div.S: New file.
2005 * config/score/predicates.md: New file.
2006 * config/score/score7.md: New file.
2007 * config/score/score.c: New file.
2008 * config/score/score-conv.h: New file.
2009 * config/score/score.h: New file.
2010 * config/score/score.md: New file.
2011 * config/score/score-mdaux.c: New file.
2012 * config/score/score-mdaux.h: New file.
2013 * config/score/score-modes.def: New file.
2014 * config/score/score.opt: New file.
2015 * config/score/score-protos.h: New file.
2016 * config/score/score-version.h: New file.
2017 * config/score/t-score-elf: New file.
2018 * config.gcc: Add score*-*-* configurations(Update before).
2019 * doc/invoke.texi (Score Options): New section.
2020 * doc/md.texi (Score family): New section to document constraints.
2022 2006-10-19 Nick Clifton <nickc@redhat.com>
2024 * config/arm/arm.c: Fix spelling typo.
2026 2006-10-18 Tom Tromey <tromey@redhat.com>
2028 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2030 2006-10-18 Jan Hubicka <jh@suse.cz>
2033 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2036 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2038 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2039 TSI_SAME_STMT, since that's the desired entity.
2041 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2043 * config/s390/contraints.md: New file.
2044 * config/s390/s390-protos.h (s390_mem_constraint,
2045 s390_O_constraint_str, s390_N_constraint_str,
2046 s390_float_const_zero_p): Function prototypes added.
2047 * config/s390/s390.c (s390_extra_constraint_str,
2048 s390_const_double_ok_for_constraint_p,
2049 s390_const_ok_for_constraint_p): Functions removed.
2050 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2051 s390_float_const_zero_p): New functions.
2052 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2053 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2054 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2055 Macro definitions removed.
2056 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2057 s390_extra_constraint_str): Functions removed.
2059 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2060 Richard Sandiford <richard@codesourcery.com>
2063 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2064 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2066 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2068 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2069 (DWARF2_FRAME_REG_OUT): Likewise.
2070 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2071 (DWARF2_FRAME_REG_OUT): Likewise.
2073 2006-10-17 Paul Brook <paul@codesourcery.com>
2075 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2077 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2079 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2080 Standardize on "GNU Fortran" as the official name of the Fortran
2083 2006-10-16 Mike Stump <mrs@apple.com>
2085 * doc/invoke.texi (Darwin Options): Document -mkernel.
2086 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2088 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2089 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2090 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2091 (OS_MISSING_ALTIVEC): Add.
2092 * config/i386/i386.c (override_options): Add
2093 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2094 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2095 -mkernel, -static or -mdynamic-no-pic is given.
2096 (C_COMMON_OVERRIDE_OPTIONS): Add.
2097 * config/darwin.opt (fapple-kext): Add.
2099 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2100 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2102 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2103 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2104 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2105 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2106 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2107 (flag_mkernel): Add.
2108 (flag_apple_kext): Add.
2109 (TARGET_KEXTABI): Add.
2110 * config/darwin.c (darwin_handle_kext_attribute): Add.
2111 (DARWIN_VTABLE_P): Add.
2112 (darwin_binds_local_p): Add partial support for rebinding vtables
2114 (darwin_kextabi_p): Add.
2115 (darwin_override_options): Add.
2116 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2117 (darwin_kextabi_p): Add.
2118 (darwin_override_options): Add.
2119 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2120 __DYNAMIC__ and __STATIC__ here.
2122 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2124 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2125 Added mention of "make pdf" target, and Texinfo requirements for
2128 2006-10-16 DJ Delorie <dj@redhat.com>
2130 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2131 into the GOT in case we need a subreg of the address.
2133 2006-10-16 Richard Guenther <rguenther@suse.de>
2136 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2137 SSE builtin documentation. Document SSE2 builtins.
2139 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2141 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2142 symbol in the output file for non-shared links when -nostdlib or
2143 -nodefaultlibs isn't specified.
2145 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2146 posix thread support.
2148 2006-10-15 Jan Hubicka <jh@suse.cz>
2151 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2152 declared always_inline even when not inlining.
2154 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2155 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2156 Andrew Pinski <pinskia@gmail.com>
2159 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2161 2006-10-15 Jan Hubicka <jh@suse.cz>
2162 Richard Guenther <rguenther@suse.de>
2165 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2166 process_function_and_variable_attributes on all variables, including
2167 those discovered during cgraph construction phase.
2169 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2171 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2173 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2175 * config/i386/athlon.md (athlon_fist): Add fisttp.
2177 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2178 Ian Lance Taylor <ian@airs.com>
2181 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2182 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2185 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2187 * config/score/score.c, config/score/score.h: Fix comment
2190 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2193 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2196 2006-10-13 Eric Christopher <echristo@apple.com>
2198 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2200 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2203 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2204 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2205 alignment supported by 32-bit ELF.
2207 2006-10-13 Eric Christopher <echristo@apple.com>
2209 * config/darwin.c (darwin_emit_unwind_label): Strip
2210 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2212 2006-10-13 Richard Guenther <rguenther@suse.de>
2214 PR tree-optimization/29446
2215 * tree-vrp.c (fix_equivalence_set): Remove.
2216 (extract_range_from_assert): Do not call fix_equivalence_set.
2217 (debug_value_range): Print a newline.
2218 (compare_name_with_value): For equivalence sets with
2219 inconsistent value ranges conservatively bail out.
2220 (compare_names): Likewise.
2222 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2224 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2225 and MPFR for gfortran.
2227 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2229 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2230 alignment supported by 32-bit ELF.
2232 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2236 * c-typeck.c (digest_init): Always allow initializing vectors
2237 that have static storage duration with compound literals.
2238 * tree.c (build_type_attribute_qual_variant): New, based on
2239 build_type_attribute_variant.
2240 (build_type_attribute_variant): Rewrite using the former.
2241 (make_vector_type): Use build_type_attribute_qual_variant to build
2242 type variants. Use type_hash_canon on the others.
2244 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2245 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2247 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2249 2006-10-12 Jan Hubicka <jh@suse.cz>
2252 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2253 current_function_decl is set but current_function_scope is not.
2255 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2257 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2258 emit_insn to emit eh_return_internal instruction.
2259 (eh_return_internal): Explicitly set pc.
2261 2006-10-11 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/28230
2264 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2265 to the correct place.
2267 2006-10-11 Richard Guenther <rguenther@suse.de>
2270 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2273 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2275 * configure.ac: Added pdf to "Make-hooks"
2276 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2277 targets and *.pdf file patterns in cleanup targets.
2278 * configure: Regenerated.
2280 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2282 * config/avr/predicates.md: New file.
2283 * config/avr/avr.md: Include it.
2284 (REG_SP): New constant.
2285 (peepholes): Use predicates.
2286 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2287 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2288 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2290 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2292 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2295 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2298 * builtins.c (var_decl_component_p): New function.
2299 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2300 single entry optimization to variables and components thereof.
2302 2006-10-10 Richard Guenther <rguenther@suse.de>
2304 PR rtl-optimization/29323
2305 * except.c (set_nothrow_function_flags): For functions
2306 that do not bind local bail out early.
2308 2006-10-10 Ben Elliston <bje@au.ibm.com>
2310 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2313 2006-10-09 Richard Henderson <rth@redhat.com>
2315 Revert emutls patch.
2317 2006-10-09 Richard Guenther <rguenther@suse.de>
2320 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2323 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2326 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2327 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2328 * configure: Regenerate.
2329 * config.in: Regenerate.
2331 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2333 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2335 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2337 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2338 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2339 Remove stray newline.
2341 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2343 * config/mips/mips.c (mips_classify_symbol): Do not return
2344 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2345 (mips_in_small_data_p): Tweak comments.
2347 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2349 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2351 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2353 * gimplify.c, sched-int.h: Fix comment typos.
2355 * sched-int.h: Fix comment typos.
2357 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2359 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2361 * sched-ebb.c (begin_schedule_ready): Use them.
2362 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2363 add_to_speculative_block, create_check_block_twin, speculate_insn,
2364 fix_jump_move, move_block_after_check): Ditto.
2365 * sched-rgn.c (new_ready): Ditto.
2367 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2369 PR rtl-optimization/29128
2370 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2371 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2372 allow interblock movement of speculation checks.
2374 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2377 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2378 casted to integer type.
2379 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2380 if they are significantly more expensive than [reg + index] ones.
2382 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2384 PR tree-optimization/29330
2385 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2386 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2387 on newly allocated ddrs.
2388 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2389 to VEC (loop_p, heap) pointer.
2390 (compute_data_dependences_for_loop): Adjust caller.
2391 (free_dependence_relations): Free DDR_LOOP_NEST.
2393 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2394 free DEPENDENCE_RELATIONS and DATAREFS.
2397 * builtins.c (expand_builtin_sync_operation,
2398 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2399 Use convert_to_mode to handle promoted arguments.
2401 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2403 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2405 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2407 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2409 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2411 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2412 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2413 Use <modeconstraint> instead of "r" as operand 1 constraint.
2415 2006-10-06 Olivier Hainque <hainque@adacore.com>
2417 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2418 Don't recurse on the pointed-to type.
2419 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2420 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2421 types with components of variable size.
2423 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2425 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2427 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2429 PR tree-optimization/29290
2430 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2434 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2435 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2438 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2439 the number of vector elements fill the rest with zeros.
2441 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2443 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2444 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2447 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2449 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2450 unnamed pattern into subsi3. Use correct constraints/predicates.
2451 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2452 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2454 2006-10-05 Ira Rosen <irar@il.ibm.com>
2456 * doc/loop.texi: Add data references analysis description.
2458 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2460 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2462 2006-10-04 Richard Henderson <rth@redhat.com>
2463 Jakub Jelinek <jakub@redhat.com>
2465 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2466 * builtin-types.def (BT_WORD): Make unsigned.
2467 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2468 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2469 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2470 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2471 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2472 * cgraph.c (decide_is_variable_needed): Look at force_output.
2473 Recurse for emulated tls.
2474 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2475 checks redundant with decide_is_variable_needed.
2476 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2477 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2479 * expr.c (emutls_var_address): New.
2480 (expand_expr_real_1): Expand emulated tls.
2481 (expand_expr_addr_expr_1): Likewise.
2482 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2483 * output.h (emutls_finish): Declare.
2484 * toplev.c (compile_file): Call it.
2485 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2486 address before wrapping in CONST.
2487 * varasm.c (emutls_htab, emutls_object_type): New.
2488 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2489 (get_emutls_object_name, get_emutls_object_type): New.
2490 (get_emutls_init_templ_addr, emutls_decl): New.
2491 (emutls_common_1, emutls_finish): New.
2492 (assemble_variable): When emulating tls, swap decls; generate
2493 constructor for the emutls objects.
2494 (do_assemble_alias): When emulating tls, swap decl and target name.
2495 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2497 * emutls.c: New file.
2498 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2499 tls_object for real tls.
2501 2006-10-04 Zack Weinberg <zackw@panix.com>
2503 Fix bug in constraint-check generator, reported by Rask Ingemann
2505 * genpreds.c (add_constraint): Don't remove anything from the
2507 (write_tm_constrs_h): Detect whether "op" argument is used, and
2508 mark it ARG_UNUSED if it isn't.
2509 (write_insn_const_int_ok_for_constraint): Skip the part of the
2510 expression that would test whether "op" (which is not available
2511 here) is a CONST_INT.
2513 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2516 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2518 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2520 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2521 current Leopard versions.
2522 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2524 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2526 * doc/install.texi: Fix typos.
2528 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2530 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2531 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2532 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2534 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2536 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2537 arg to be struct mach_header_64* instead.
2539 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2542 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2543 side effects after the outer expression's post side effects.
2545 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2547 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2548 comments to reflect actual behavior and relationship between
2549 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2551 * doc/c-tree.texi (Working with declarations): Fix documentation
2552 of FIELD_DECL likewise.
2554 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2557 * doc/extend.texi: Add used variable attribute description.
2559 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2562 * c.opt (Woverride-init): New.
2563 * c-opts.c (c_common_post_options): Default warn_override_init to
2565 * c-typeck.c (add_pending_init, output_init_element): Warn for
2566 overriding initializers without side effects.
2567 * doc/invoke.texi (-Woverride-init): Document.
2570 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2572 PR rtl-optimization/28096
2573 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2574 assignment has already been used as a destination earlier in the block.
2576 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2578 * builtins.c (expand_builtin_setjmp): Delete.
2579 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2580 <BUILT_IN_SETJMP_SETUP>: New case.
2581 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2582 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2583 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2584 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2585 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2586 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2587 (lower_function_body): Initialize it to false. If it is set to true
2588 at the end of the processing, emit the setjmp dispatcher.
2589 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2590 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2591 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2592 on the rhs of the assignment.
2593 (lower_builtin_setjmp): New function.
2594 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2595 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2596 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2597 to detect calls that can go to non-local labels. Use specific
2598 helper to create the abnormal edges associated with them.
2599 <MODIFY_EXPR>: Likewise.
2600 (make_abnormal_goto_edges): New function extracted from...
2601 (make_goto_expr_edges): ...here. Call it for computed gotos.
2602 (simple_goto_p): Minor tweak.
2603 (tree_can_make_abnormal_goto): New predicate.
2604 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2605 (tree_purge_dead_abnormal_call_edges): New function.
2606 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2607 (tree_purge_dead_abnormal_call_edges): Likewise.
2608 (make_abnormal_goto_edges): Likewise.
2609 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2610 Purge all dead abnormal edges if the call was in the last statement.
2611 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2612 (execute_fixup_cfg): If there are non-local labels in the function,
2613 scan the basic blocks and split them at calls that can go to non-local
2614 labels or add missing abnormal call edges. Write down the CFG in the
2616 (pass_fixup_cfg): Remove TODO_dump_func flag.
2617 * unwind-sjlj.c: Poison setjmp.
2618 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2619 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2620 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2621 (DONT_USE_BUILTIN_SETJMP): Document it.
2623 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2626 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2627 to 1 when __ppc64__ is defined.
2628 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2630 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2632 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2634 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2635 * config/ia64/unwind-hpux.c: Delete.
2637 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2639 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2640 on the element before gimplifying it, instead of punting if it is of
2643 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2645 * doc/loop.texi: New file.
2646 * doc/gccint.texi: Reference loop.texi.
2647 * Makefile.in (loop.texi): Add.
2649 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2651 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2653 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2654 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2656 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2658 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2660 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2662 * doc/install.texi: Document required versions of GMP and MPFR.
2664 2006-09-27 Paul Brook <paul@codesourcery.com>
2667 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2669 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2671 * reload1.c (alter_reg): Require the alignment of the stack slot to
2672 be at least reg_max_ref_width bytes.
2673 (scan_paradoxical_subregs): Record the largest width in
2676 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2680 * tree-nested.c (struct nesting_info): Added static_chain_added.
2681 (convert_call_expr): Set static_chain_added when adding static
2682 chain. Handle OMP_PARALLEL and OMP_SECTION.
2684 2006-09-25 Matthias Klose <doko@debian.org>
2686 * doc/invoke.texi: Add missing full stop.
2688 2006-09-25 Richard Henderson <rth@redhat.com>
2690 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2691 before cgraph_function_flags_ready.
2693 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2694 Adam Nemet <anemet@caviumnetworks.com>
2696 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2697 determine_common_wider_type): New functions.
2698 (get_computation_aff): Use them to simplify arithmetic between
2699 UBASE and CBASE if they are shortened from the same type.
2701 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2704 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2705 -2147483647 - 1 instead of 0x80000000.
2707 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2709 * flags.h (HONOR_NANS): Fix typo in comment.
2711 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2713 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2715 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2719 * tree.c (merge_attributes, attribute_list_contained): If both
2720 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2722 * c-typeck.c (comptypes_internal): Don't consider aggregates
2723 in different TUs as compatible if there one set of attributes is
2724 not a subset of the other type's attributes.
2725 (composite_type): Try harder not to create a new aggregate type.
2727 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2729 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2730 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2731 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2732 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2733 than replicating condition above.
2734 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2736 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2737 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2738 the linker by default.
2740 2006-09-22 Mike Stump <mrs@apple.com>
2742 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2745 2006-09-22 Richard Guenther <rguenther@suse.de>
2748 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2749 sort of stack variables stable.
2751 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2754 * explow.c (force_reg): Set REG_POINTER flag according to
2757 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2759 PR tree-optimization/28888
2760 * tree-if-conv.c (combine_blocks): Rewritten.
2761 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2762 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2764 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2766 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2769 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2771 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2773 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2775 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2777 2006-09-21 Roger Sayle <roger@eyesopen.com>
2780 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2781 dw_fde_current_label, to be the start of the function, i.e. the same
2782 value as dw_fde_begin.
2784 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2786 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2787 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2788 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2789 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2790 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2791 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2792 (abs<mode>2, neg<mode>2): Likewise.
2793 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2794 (*mips_abs_ps): New define_insn.
2796 2006-09-20 Josh Conner <jconner@apple.com>
2799 * calls.c (expand_call): Allow reuse of structure return stack
2802 2006-09-20 Paul Brook <paul@codesourcery.com>
2804 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2807 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2809 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2810 clean up terminology.
2812 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2815 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2816 with tablejumps in them.
2818 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2821 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2822 wrap it into TARGET_EXPR.
2824 2006-09-20 Eric Christopher <echristo@apple.com>
2826 * config/i386/i386.c (x86_fisttp): Remove.
2827 * config/i386/i386.h (x86_fisttp): Ditto.
2828 (TARGET_FISTTP): Ditto.
2830 2006-09-19 Eric Christopher <echristo@apple.com>
2832 * doc/tm.texi (OBJC_JBLEN): Describe.
2833 * config/i386/darwin.h (OBJC_JBLEN): Define.
2834 * config/rs6000/darwin.h: Ditto.
2836 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2838 PR rtl-optimization/21299
2839 * reload1.c (reload): Purge invalid ASMs in the final pass.
2841 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2844 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2845 pointers as legitimate constants.
2847 2006-09-19 Paul Brook <paul@codesourcery.com>
2850 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2852 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2854 PR tree-optimization/28887
2855 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2856 component parts from the reference.
2857 (gather_memory_references_ref): Record the reference without the
2858 nonaddressable component parts.
2860 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2863 * c-opts.c (c_common_handle_option): Ignore the -std options
2864 if the input language is assembly.
2866 2006-09-17 Ira Rosen <irar@il.ibm.com>
2869 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2871 (ptr_ptr_may_alias_p): Likewise.
2872 (record_record_differ_p): New function.
2873 (base_object_differ_p): Call record_record_differ_p.
2875 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2878 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2879 away for the expr argument.
2881 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2884 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2885 before using it for dumping after vectorizing loops.
2887 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2888 Jack Howarth <howarth@bromo.med.uc.edu>
2891 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2892 skip on error_mark_node.
2893 (rs6000_darwin64_record_arg_recurse): Likewise.
2895 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2897 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2898 * doc/rtl.texi: Remove related documentation.
2900 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2902 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2905 2006-09-15 Jim Wilson <wilson@specifix.com>
2907 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2908 Handle symbol offsets same as they are handled in ia64_expand_move
2911 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2913 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2914 Add forgotten parameter to the fprintf call.
2916 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2918 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2920 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2922 * doc/contrib.texi: Add my entry.
2924 2006-09-15 Nick Clifton <nickc@redhat.com>
2926 * doc/md.texi (Processor pipeline description): Fix typo in
2927 example of how to use the absence_set directive and reword the
2928 description to make it slightly easier to read.
2930 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2932 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2933 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2934 expanding the number of iterations.
2935 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2937 * cfgrtl.c (emit_insn_at_entry): New function.
2938 * rtl.h (emit_insn_at_entry): Declare it.
2939 * integrate.c (emit_initial_value_sets): Use it.
2941 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2943 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2945 (struct loop_work and related VEC declarations): Delete.
2946 (bfin_dump_loops): Print out new member bad.
2947 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2948 (bfin_scan_loop): Don't recurse.
2949 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2950 loops. No longer need to update outer loops if the current one is
2951 found bad. Move some validitiy checks to bfin_discover_loop.
2952 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2953 but changed not to check for nesting. Also changed to use the new bad
2955 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2956 time. Use bitmap based test to discover loop nesting.
2958 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2960 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2963 2006-09-14 Richard Guenther <rguenther@suse.de>
2964 Kazu Hirata <kazu@codesourcery.com>
2966 PR middle-end/28884.
2967 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2968 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2969 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2970 with TARGET_FUNCTION_VALUE.
2972 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2975 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2977 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2979 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2982 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2985 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2988 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2990 * basic_block.h (bb_has_eh_pred): Fix comment.
2992 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2994 * flow.c (calculate_global_regs_live): Invalidate eh registers
2995 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2996 (propagate_block): Handle eh registers as if they were set at basic
2998 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3000 * global.c (global_conflicts): Make eh registers to conflict with
3001 pseudos live at basic block begin.
3002 * basic_block.h (bb_has_eh_pred): New function.
3004 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3006 PR rtl-optimization/28982
3007 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3008 index of a PRE_MODIFY or POST_MODIFY address.
3009 * reload1.c (inc_for_reload): Use find_replacement on the original
3010 base and index registers.
3012 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3014 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3015 for -Os. Update __m128 alignment requirement.
3017 2006-09-13 Jan Hubicka <jh@suse.cz>
3019 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3021 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3023 PR rtl-optimization/28243
3024 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3025 the insn to which the note was originally attached.
3027 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3028 Roger Sayle <roger@eyesopen.com>
3030 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3031 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3032 on platforms that don't use dwarf for debug info.
3034 2006-09-12 Jason Merrill <jason@redhat.com>
3037 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3038 hard_frame_pointer_rtx after using it to update the frame pointer.
3040 2006-09-12 Roger Sayle <roger@eyesopen.com>
3042 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3043 (TARGET_ASM_CLOSE_PAREN): Likewise.
3044 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3045 (TARGET_ASM_CLOSE_PAREN): Likewise.
3047 2006-09-12 Roger Sayle <roger@eyesopen.com>
3050 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3051 frame information for frames larger than 512 Kbytes on Tru64 when
3052 using the native assembler.
3054 2006-09-12 Roger Sayle <roger@eyesopen.com>
3058 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3059 and symbols. Instead use the implementation from cse.c's hash_rtx.
3061 2006-09-12 Jan Hubicka <jh@suse.cz>
3063 PR rtl-optimization/28071
3064 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3065 (vect_transform_loop): Likewise.
3066 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3067 (new_loop_vec_info): Likewise.
3068 (destroy_loop_vec_info): Likewise.
3069 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3070 (create_stmt_ann): Likewise.
3071 (create_tree_ann): Rename to ...
3072 (create_tree_common_ann): ... this one; allocate only the common part
3074 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3075 (get_value_handle): Likewise.
3076 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3077 get_tree_common_ann.
3078 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3079 (vinfo_for_stmt): Use stmt annotations.
3080 * tree-flow.h (tree_ann_common_t): New type.
3081 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3082 (tree_ann, get_tree_ann, create_tree_ann): New.
3083 * tree-flow-inline.h (get_function_ann): Do more type checking.
3084 (stmt_ann): Likewise.
3085 (tree_ann): Rename to ...
3086 (tree_common_ann): ... this one; return ony common_ann
3087 (get_tree_ann): Rename to ...
3088 (tree_common_ann): This one; return only common_ann.
3089 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3092 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3094 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3095 with_cpu by default.
3097 * dwarf2out.c (dwarf_file_data): New.
3098 (enum dw_val_class): Add dw_val_class_file.
3099 (struct dw_val_struct): Add val_file.
3100 (file_table): Change to a hash table.
3101 (file_table_emitted): Delete.
3102 (file_table_last_lookup_index): Delete.
3103 (emitcount): Delete.
3104 (last_emitted_file): New.
3105 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3106 (init_file_table): Delete.
3107 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3108 (AT_addr): Add comment.
3112 (print_die): Handle dw_val_class_file.
3113 (print_dwarf_line_table): Update for new file table structure.
3114 (attr_checksum): Do checksum a filename.
3115 (same_dw_val_p, same_attr_p): Do compare a filename.
3116 (size_of_die): Handle dw_val_class_file.
3117 (value_format): Likewise.
3118 (output_die): Likewise. Also, call maybe_emit_file here.
3119 (struct file_info): Constify filenames. Make file_idx a pointer
3120 to a struct dwarf_file_data.
3121 (struct dir_info): Constify directory names. Remove 'used' field.
3122 (struct file_name_acquire_data): New.
3123 (file_name_acquire): New.
3124 (output_file_names): Modify to handle new file data structures.
3125 (add_src_coords_attributes): Use add_AT_file.
3126 (add_call_src_coords_attributes): Likewise.
3127 (dwarf2out_imported_module_or_decl): Likewise.
3128 (gen_subprogram_die): Modify for new file data structures.
3129 (gen_variable_die): Likewise.
3130 (file_table_eq): New.
3131 (file_table_hash): New.
3132 (file_table_last_lookup): New.
3133 (lookup_filename): Rewrite to handle new file data structures.
3134 (maybe_emit_file): Rewrite to handle new file data structures.
3135 (dwarf2out_source_line): Always call lookup_filename and
3137 (dwarf2out_init): Create file_table here.
3138 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3139 (file_table_relative_p): New.
3140 (dwarf2out_finish): Change detection of relative filenames
3141 to work with new file data structures. Move output_line_info call
3142 after debug_info output.
3144 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3149 * config/i386/i386.c (override_options): Always default to 16
3150 byte stack boundary.
3152 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3155 * var-tracking.c (dump_dataflow_set): Start dumping at
3157 (clobber_variable_part): Kill only the variable part in
3158 registers holding it, leaving other variables alone.
3160 2006-09-11 Josh Triplett <josh@freedesktop.org>
3162 * doc/extend.texi (Other Builtins): Actually use the macro
3163 argument in the documentation example for
3164 __builtin_types_compatible_p.
3166 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3168 PR rtl-optimization/28726
3169 * sched-deps.c (sched_analyze_reg): New function extracted from...
3170 (sched_analyze_1): ...here. Call it to analyze references to
3171 registers. Treat again writes to a stack register as writing to the
3173 (sched_analyze_2): ...and here. Call it to analyze references to
3174 registers. Treat again reads of a stack register as reading the
3177 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3178 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/spe.md (frob_df_di): Remove %H.
3182 (frob_di_df): Remove %H. Change evmergelo to mr.
3183 (frob_di_df_2): Remove %H. Change evldd to two loads.
3185 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3187 * doc/cpp.texi: Fix names of charset options.
3189 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3192 * config/i386/i386.c (override_options): Use 128-bit
3193 stack boundary always for 64bits.
3195 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3197 PR rtl-optimization/28636
3198 * combine.c (force_to_mode): Test for side-effects before
3199 substituting by zero.
3200 (simplify_shift_const): Likewise for zero or other constants.
3202 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3205 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3208 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3211 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3212 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3213 returned by mode_for_size, rather than the mode of src itself,
3214 to choose between 32-bit and 64-bit patterns.
3215 (mips_mem_fits_mode_p): New function.
3216 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3217 that the size of the source matches the size of the destination.
3218 (mov_<store>l, mov_<store>r): Likewise.
3220 2006-09-10 Eric Christopher <echristo@apple.com>
3222 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3225 2006-09-09 Eric Christopher <echristo@apple.com>
3228 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3231 2006-09-09 Roger Sayle <roger@eyesopen.com>
3232 Nicolas Setton <setton@adacore.com>
3234 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3236 2006-09-10 Andreas Schwab <schwab@suse.de>
3238 * config/m68k/m68k.md (bungt_rev): New pattern.
3240 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3241 Dale Johannesen <dalej@apple.com>
3244 * regclass.c (struct reg_pref): Update documentation.
3245 (regclass): Set prefclass to NO_REGS if memory is the best option.
3246 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3248 2006-09-08 Eric Christopher <echristo@apple.com>
3250 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3251 * config/t-slibgcc-darwin: Support x86_64 multilib.
3252 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3253 Return 1 for x86_64-darwin.
3254 * config/i386/t-darwin: Add m64 multilib.
3255 (LIB2_SIDITI_CONV_FUNCS): Use.
3256 (LIB2FUNCS_EXTRA): Ditto.
3257 * config/i386/darwin.h: Support x86_64.
3258 * config/i386/i386.c (override_options): Turn on flag_pic
3259 for x86_64-darwin. Disable flag_omit_pointer.
3260 (get_pc_thunk_name): Assert !TARGET_64BIT.
3261 (legitimate_address_p): Disable machopic addressing for
3263 (legitimize_pic_address): Ditto.
3264 (ix86_expand_move): Ditto.
3265 (ix86_expand_call): Ditto.
3266 (machopic_output_stub): Ditto.
3267 * config/darwin.c (machopic_select_section): Support literal16.
3268 (machopic_select_rtx_section): Ditto.
3269 * config/darwin-sections.def: Ditto.
3270 * config/darwin-64.c: New.
3272 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3275 * c-tree.h (struct c_arg_info): Add pending_sizes.
3276 * c-parser.c (c_parser_parms_declarator,
3277 c_parser_parms_list_declarator): Initialize pending_sizes.
3278 * c-decl.c (get_parm_info): Initialize pending_sizes.
3279 (get_parm_info): Set pending_sizes.
3280 (grokdeclarator): Call put_pending_sizes for parameters for
3281 function definition only.
3283 2006-09-07 Jason Merrill <jason@redhat.com>
3286 * varasm.c (output_constant): Only strip actual no-op conversions.
3289 * config/i386/i386.c (override_options): Use 128-bit
3290 stack boundary if -msse.
3292 2006-09-07 Eric Christopher <echristo@apple.com>
3294 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3296 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3299 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3301 * dwarf2out.c: Remove strange characters from comment above
3302 dwarf2out_frame_debug_expr.
3304 2006-09-07 Eric Christopher <echristo@apple.com>
3306 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3307 * config/darwin.h: ... to here.
3309 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3311 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3313 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3314 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3316 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3317 TARGET_PARTIAL_FLAG_REG_STALL.
3318 (*ashldi3_cconly_rex64): Likewise.
3319 (*ashlsi3_cmp): Likewise.
3320 (*ashlsi3_cconly): Likewise.
3321 (*ashlsi3_cmp_zext): Likewise.
3322 (*ashlhi3_cmp): Likewise.
3323 (*ashlhi3_cconly): Likewise.
3324 (*ashlqi3_cmp): Likewise.
3325 (*ashlqi3_cconly): Likewise.
3326 (*ashrdi3_cmp_rex64): Likewise.
3327 (*ashrdi3_cconly_rex64): Likewise.
3328 (*ashrsi3_cmp): Likewise.
3329 (*ashrsi3_cconly): Likewise.
3330 (*ashrsi3_cmp_zext): Likewise.
3331 (*ashrhi3_cmp): Likewise.
3332 (*ashrhi3_cconly): Likewise.
3333 (*ashrqi3_cmp): Likewise.
3334 (*ashrqi3_cconly): Likewise.
3335 (*lshrdi3_cmp_rex64): Likewise.
3336 (*lshrdi3_cconly_rex64): Likewise.
3337 (*lshrsi3_cmp): Likewise.
3338 (*lshrsi3_cconly): Likewise.
3339 (*lshrsi3_cmp_zext): Likewise.
3340 (*lshrhi3_cmp): Likewise.
3341 (*lshrhi3_cconly): Likewise.
3342 (*lshrqi2_cmp): Likewise.
3343 (*lshrqi2_cconly): Likewise.
3345 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3348 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3349 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3350 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3351 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3352 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3353 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3354 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3355 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3356 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3357 implement only CC setting effects of shift instructions.
3359 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3361 * doc/contrib.texi: Add myself.
3363 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3366 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3367 was set by the user.
3369 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3372 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3373 (divsi_inv_m1): Use them.
3374 (UNSPEC_DIV_INV_TABLE): New constant.
3376 2006-09-06 James E Wilson <wilson@specifix.com>
3379 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3380 then call count_or_remove_death_notes.
3382 2006-09-06 Jason Merrill <jason@redhat.com>
3385 * tree-inline.c (copy_result_decl_to_var): New fn.
3386 (declare_return_variable): Use it. Call declare_inline_vars here.
3387 (expand_call_inline): Not here.
3389 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3391 * doc/contrib.texi: Update my entry.
3393 2006-09-06 Nick Clifton <nickc@redhat.com>
3395 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3397 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3400 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3401 (canonicalize_induction_variables): Likewise.
3402 (tree_unroll_loops_completely): Likewise.
3403 (tree_ssa_prefetch_arrays): Likewise.
3404 (remove_empty_loops): Likewise.
3405 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3406 TODO_cleanup_cfg instead of directly calling
3407 cleanup_tree_cfg_loop.
3408 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3410 (tree_unroll_loops_completely): Likewise.
3411 (remove_empty_loops): Likewise.
3412 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3413 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3414 of tree_ssa_unswitch_loops.
3415 (tree_ssa_loop_ivcanon): Use the return value of
3416 canonicalize_induction_variables.
3417 (tree_ssa_empty_loop): Use the return value of
3419 (tree_complete_unroll): Use the return value of
3420 tree_unroll_loops_completely.
3421 (tree_ssa_loop_prefetch): Use the return value of
3422 tree_ssa_prefetch_arrays.
3423 * passes.c (execute_todo): Before Cleanup CFG, set
3424 updating_used_alone and after cleanup CFG, call
3425 recalculate_used_alone.
3427 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3430 * tree-vect-transform.c (vectorizable_condition): Move the check
3431 for the type after the check for simple condition.
3433 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3434 Kaz Kojima <kkojima@gcc.gnu.org>
3437 * mode-switching.c (optimize_mode_switching): Make the destination
3438 block of an abnormal edge have no anticipatable mode. Don't
3439 insert mode switching code at the end of the source block of
3442 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3444 PR rtl-optimization/26847
3445 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3446 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3447 (simplify_plus_minus): Count n_constants while filling ops. Replace
3448 qsort with insertion sort. Before going through the array to simplify
3449 pairs, sort it. Delay early exit until after the first sort, exiting
3450 only if no swaps occurred. Simplify pairs in reversed order, without
3451 special-casing the first iteration. Pack ops after simplifying pairs.
3453 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3455 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3456 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3457 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3458 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3460 2006-09-05 Richard Guenther <rguenther@suse.de>
3462 PR tree-optimization/28900
3463 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3464 compound conditional before creating COND_EXPR condition.
3466 2006-09-05 Richard Guenther <rguenther@suse.de>
3468 PR tree-optimization/28905
3469 * tree-vrp.c (fix_equivalence_set): Manually implement
3470 !value_ranges_intersect_p to also handle symbolic ranges.
3472 2006-09-05 Richard Guenther <rguenther@suse.de>
3475 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3478 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3480 PR rtl-optimization/27616
3481 * cse.c (table_size): New static variable.
3482 (new_basic_block): Initialize it to 0.
3483 (remove_from_table): Decrement it.
3484 (insert): Increment it.
3485 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3486 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3487 fold_rtx_mem_1 if under the cap.
3488 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3489 the lookup of the equivalent expression and test for equality of the
3490 first operand of the equivalent expression before in turn looking up
3491 an equivalent constant for the second operand.
3493 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3496 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3497 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3498 pointer, instead of assuming it is possible to derive the
3499 correct args size from a call insn.
3501 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3504 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3505 (fold_builtin_mempcpy): Rename to...
3506 (fold_builtin_memory_op): ... this. Optimize one element copy
3508 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3510 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3511 (expand_builtin_memcpy, expand_builtin_mempcpy,
3512 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3513 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3514 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3515 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3517 2006-09-01 DJ Delorie <dj@redhat.com>
3519 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3520 (stzx_16): Likewise.
3521 ("stzx_24_<mode>"): Likewise.
3522 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3523 ("cmp<mode>_op"): New.
3524 (cmp<mode>): Change to expander; just save operands.
3526 (b<code>): Change to expander, emit compare here.
3527 (s<code>_op): Change to use split and expander.
3528 (s<code>_24_op): Likewise.
3529 (s<code>_<mode>): New.
3530 (s<code>_<mode>_24): New.
3531 (movqicc_<code>_<mode): New.
3532 (movhicc_<code>_<mode>): New.
3535 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3536 (m32c_pend_compare): New.
3537 (m32c_unpend_compare): New.
3538 (m32c_expand_scc): New.
3539 (m32c_expand_movcc): Emit the compare also.
3540 * config/m32c/predicates.md (mra_nopp_operand): New.
3542 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3543 Richard Guenther <rguenther@suse.de>
3544 Adam Nemet <anemet@caviumnetworks.com>
3547 * builtins.c (get_pointer_alignment): Handle more forms
3548 of base addresses that can be used to derive more precise
3549 information about alignment.
3551 2006-09-01 Jason Merrill <jason@redhat.com>
3554 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3557 * gimplify.c (voidify_wrapper_expr): Handle null type.
3559 2006-09-01 Josh Conner <jconner@apple.com>
3562 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3563 (execute_return_slot_opt): Use it.
3565 2006-08-31 Josh Conner <jconner@apple.com>
3568 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3569 returning aggregates.
3571 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3573 PR tree-optimization/28839
3574 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3575 blocks in that phi arguments appear.
3577 2006-08-31 Roger Sayle <roger@eyesopen.com>
3580 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3581 NULL, otherwise use an advance_loc4 to adjust relative to the
3583 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3584 (dwarf2out_switch_text_section): Reset the current label to avoid
3585 using advance_loc4 over section boundaries.
3587 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3590 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3591 r12 + SYMBOLIC_CONST.
3593 2006-08-30 Richard Guenther <rguenther@suse.de>
3595 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3597 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3599 PR rtl-optimization/27735
3600 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3601 Add new argument to keep track of whether an irreducible region
3602 was affected. All callers changed.
3603 (fix_irreducible_loops): Removed.
3604 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3605 flags were invalidated.
3607 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3609 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3610 instead of SF operands.
3611 (*fop_df_comm_sse): Likewise.
3612 (*fop_df_comm_i387): Likewise.
3613 (*fop_df_1_mixed): Likewise.
3614 (*fop_df_1_sse): Likewise.
3616 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3617 J"orn Rennecke <joern.rennecke@st.com>
3619 PR tree-optimization/17506
3620 * tree-ssa.c (warn_uninit): If warning about a location outside of
3621 the current function, note where the variable was declared.
3623 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3625 PR tree-optimization/28411
3626 * double-int.c (double_int_div): Use double_int_divmod.
3627 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3628 double_int_mod, double_int_smod, double_int_umod): New functions.
3629 * double-int.h (double_int_divmod, double_int_sdivmod,
3630 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3632 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3634 (get_computation_aff, get_computation_cost_at): Handle double_int
3635 return type of constant_multiple_of.
3637 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3640 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3641 an implicit conversion.
3643 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3645 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3647 2006-08-27 Roger Sayle <roger@eyesopen.com>
3649 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3652 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3654 * config/i386/crtfastmath.c: Fix a comment typo.
3656 2006-08-26 Roger Sayle <roger@eyesopen.com>
3658 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3659 temporary visit flags on CASE_LABEL_EXPRs.
3660 * c-common.c (match_case_to_enum): Add function comment. Avoid
3661 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3662 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3663 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3664 a constant, only warn if that constant value isn't handled.
3666 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3669 * input.h (restore_input_file_stack): Declare.
3670 (INPUT_FILE_STACK_BITS): Define.
3671 * toplev.c (fs_p, input_file_stack_history,
3672 input_file_stack_restored, restore_input_file_stack): New.
3673 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3674 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3675 (pop_srcloc): Don't free old state of stack.
3677 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3680 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3681 (PowerPC Type Attributes): New.
3683 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3685 * config/xtensa/xtensa.c (function_arg_boundary): New.
3686 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3688 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3689 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3691 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3694 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3697 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3699 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3700 (verify_local_live_at_start): Likewise.
3702 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3705 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3706 omp_add_variable): Treat sizes as variable whenever not
3709 2006-08-26 Richard Guenther <rguenther@suse.de>
3712 * fold-const.c (fold_binary): Fold temporary to correct
3713 type before constructing new comparison.
3715 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3718 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3719 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3721 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3724 * c-decl.c (start_function): Don't try to process prototype
3725 information from old declaration that isn't a function.
3727 2006-08-25 Jan Hubicka <jh@suse.cz>
3730 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3732 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3735 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3738 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3740 PR tree-optimization/16876
3741 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3742 exit if PARM doesn't match VALUE.
3744 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3746 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3747 literal_prefix directive.
3748 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3749 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3750 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3752 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3755 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3756 predicate to general_operand. Add 0->y and I->r alternatives.
3758 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3760 * doc/tm.texi: Fix a typo.
3761 * predict.c: Fix comment typos.
3763 2006-08-25 Nick Clifton <nickc@redhat.com>
3765 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3766 assertions of "cpu" and "machine".
3768 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3771 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3772 the access through a base which has an alias set of 0 cannot
3775 2006-08-24 Bill Wendling <wendling@apple.com>
3777 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3779 2006-08-24 Jan Hubicka <jh@suse.cz>
3781 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3783 2006-08-24 Jan Hubicka <jh@suse.cz>
3786 * cgraph.c: Fix comments.
3787 (cgraph_varpool_mark_needed_node): Mark only variables not already
3789 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3790 (cgraph_varpool_assembled_nodes_queue): New static variable.
3791 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3792 (cgraph_varpool_output_debug_info): New function.
3793 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3794 * Makefile.in: Add gt-cgraphunit.h
3796 2006-08-24 Jan Hubicka <jh@suse.cz>
3798 * predict.c (probability_reliable_p): New predicate.
3799 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3800 (predict_loops): Do not predict loop exit with less than 2%
3802 * basic-block.h (edge_probability_reliable_p,
3803 br_prob_note_reliable_p): Declare.
3804 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3805 prediction when static predictor is not reliable.
3806 * rs6000.c (output_cbranch): Likewise.
3808 2006-08-23 Stuart Hastings <stuart@apple.com>
3811 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3812 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3814 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3817 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3818 complex values, nor for generic vector values.
3820 2006-08-22 Richard Guenther <rguenther@suse.de>
3823 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3824 parameter. Convert arguments to arithmetic expression to the
3826 (analyze_scalar_evolution_1): Adjust caller.
3828 2006-08-22 Jan Hubicka <jh@suse.cz>
3830 Patch by Paolo Bonzini
3831 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3834 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3836 PR tree-optimization/28003
3837 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3838 before grouping aliases.
3840 2006-08-22 Roger Sayle <roger@eyesopen.com>
3842 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3843 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3845 2006-08-21 Jason Merrill <jason@redhat.com>
3848 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3849 wrapper. Loop to handle nested wrappers.
3850 (gimplify_bind_expr): Remove temp parameter.
3851 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3852 and STATEMENT_LIST on the rhs.
3853 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3854 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3855 (gimplify_target_expr): Remove special BIND_EXPR handling.
3857 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3859 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3862 2006-08-21 Olivier Hainque <hainque@adacore.com>
3864 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3865 Arrange for the temporary captures of components overlapping the lhs
3866 to happen before the lhs is possibly cleared.
3868 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3870 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3871 necessary places to pass the correct "number of registers" values
3874 2006-08-20 Jan Hubicka <jh@suse.cz>
3876 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3877 (create_name_tags): Instead of quadratic checking use hashtable.
3878 * bitmap.h: Include hashtab.h.
3879 (bitmap_hash): Declare.
3880 * bitmap.c (bitmap_hash): New function.
3882 2006-08-20 Jan Hubicka <jh@suse.cz>
3884 PR rtl-optimization/28071
3885 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3887 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3888 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3889 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3890 cgraph_decide_inlining_incrementally): Update use of
3891 cgraph_check_inline_limits.
3892 * cgraph.c (edge_hash, edge_eq): New function.
3893 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3894 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3895 cgraph_remove_node): Maintain call site hash.
3896 * cgraph.h (struct cgraph_node): Add call_site_hash.
3897 (cgraph_set_call_stmt): New function.
3899 2006-08-20 Jan Hubicka <jh@suse.cz>
3901 PR rtl-optimization/28071
3902 * reload1.c (reg_has_output_reload): Turn into regset.
3903 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3904 choose_reload_regs, emit_reload_insns): Update to new
3905 reg_has_output_reload.
3907 2006-08-20 Jan Hubicka <jh@suse.cz>
3910 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3911 function body sizes.
3912 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3914 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3917 * tree.c (handle_dll_attribute): Return early if not a
3918 var or function decl.
3920 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3923 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3924 alignment of SPE vector types.
3926 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3928 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3930 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3933 * cgraph.h (struct cgraph_node): Remove externally_visible
3935 * cgraphunit.c (process_function_and_variable_attributes): Set
3936 local.externally_visible rather than externally_visible.
3939 * c-common.c (handle_externally_visible_attribute): First look
3940 at TREE_CODE and only if it is function or var decl, check for
3941 non-public objects. Don't warn for DECL_EXTERNAL.
3942 * cgraphunit.c (process_function_and_variable_attributes): Warn
3943 if externally_visible attribute is used on non-public object.
3945 2006-08-17 Jan Hubicka <jh@suse.cz>
3947 PR tree-optimization/27865
3948 * reload1.c (forget_marked_reloads): New function.
3949 (forget_old_reloads_1): When data are passed, just mark the registers
3951 (reload_as_needed): Use the new mechanizm.
3953 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3956 * reload.h (reg_equiv_alt_mem_list): New declaration.
3957 * reload1.c (reg_equiv_alt_mem_list): New definition.
3958 (reload): Initialize it and release it.
3959 (delete_output_reload): Use it.
3960 * reload.c (push_reg_equiv_alt_mem): New function.
3961 (find_reloads_toplev): Call it.
3962 (find_reloads_address, find_reloads_address_1): Likewise.
3963 (find_reloads_subreg_address): Likewise.
3965 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3967 PR rtl-optimization/28489
3968 * sched-ebb.c (begin_schedule_ready): Create basic block
3970 (advance_target_bb): Skip empty blocks.
3971 * haifa-sched.c (bb_note): Make global.
3972 * sched-int.h (bb_note): Add prototype.
3974 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3976 PR tree-optimization/27865
3977 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3979 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3980 fold_used_pointer, pointer_used_p): New functions.
3981 (analyze_scalar_evolution_1): Use fold_used_pointer.
3982 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3983 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3986 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3989 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3990 or the INTEGER_CST. Fail on a CALL_EXPR.
3991 (fold_offsetof): Pass new argument to fold_offsetof_1.
3992 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3993 operand into an INDIRECT_REF.
3994 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3996 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3998 PR gcov/profile/26570
3999 * value-prof.c (static_values): Removed.
4000 (tree_find_values_to_profile): Do not set static_values.
4001 (find_values_to_profile): Do not free static_values.
4002 * profile.c (instrument_values): Do not free the values.
4003 (branch_prob): Free the values.
4005 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4007 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4009 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4012 * c-typeck.c (build_component_ref): Combine qualifiers of
4013 structure or union and field.
4015 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4017 PR rtl-optimization/28071
4018 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4019 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4020 * tree-into-ssa.c (struct dom_dfsnum): New.
4021 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4023 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4024 compute_global_livein.
4025 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4026 in phi nodes in the correct blocks.
4028 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4030 PR tree-optimization/28364
4031 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4033 (fold_affine_expr): New function.
4034 (may_eliminate_iv): Use fold_affine_expr.
4036 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4039 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4042 2006-08-16 Mike Stump <mrs@apple.com>
4044 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4045 * doc/cppopts.texi (-MD): Likewise.
4047 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4050 * c-common.c (handle_weak_attribute): Ignore and warn if
4051 not a FUNCTION_ or VAR_DECL.
4053 2006-07-15 Mike Stump <mrs@apple.com>
4056 * c-parser.c (c_parser_typeof_specifier): Don't use
4057 c_finish_expr_stmt, open code desired semantics instead.
4059 2006-08-15 Nick Clifton <nickc@redhat.com>
4061 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4062 fragment to tmake_file only if threads are enabled.
4063 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4064 * config/i386/t-gthr-win32: New file. ... here.
4066 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4069 * c-parser.c (c_parser_compound_statement_nostart): Reset
4070 parser->error after each statement.
4072 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4075 * omp-low.c (lower_omp_parallel): Convert t to
4076 receiver_decl's type.
4077 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4078 source before comparison.
4081 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4082 to itype in assignment to oldival2.
4084 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4088 * c-typeck.c (build_compound_expr): If the second expression
4089 is an error mark, then just return an error mark instead of
4090 creating a COMPOUND_EXPR.
4092 2006-07-14 Mike Stump <mrs@apple.com>
4094 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4096 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4098 * c-decl.c, var-tracking.c: Fix comment typos.
4100 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4102 PR rtl-optimization/28634
4103 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4104 for floating-point modes unless flag_unsafe_math_optimizations.
4106 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4107 Andrew Pinski <pinskia@physics.uc.edu>
4110 * tree.c (build_array_type): Unify array types with
4111 unspecified index_type.
4112 * c-decl.c (grokdeclarator): Make sure we do not modify a
4113 unified incomplete array type.
4114 * c-typeck.c (store_init_value): Create distinct type before
4115 filling in the index type in an initializer from a compound
4118 * c-decl.c (grokdeclarator): Remove code where we copy the
4121 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4123 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4124 into account for TODO_dump_cgraph.
4125 (TODO_update_ssa_no_phi): Likewise.
4126 (TODO_update_ssa_full_phi): Likewise.
4127 (TODO_update_ssa_only_virtuals): Likewise.
4128 (TODO_remove_unused_locals): Likewise.
4129 (TODO_set_props): Likewise.
4130 (TODO_update_stmt_usage): Likewise.
4132 2006-08-13 Dirk Mueller <dmueller@suse.de>
4134 * c-common.c (strict_aliasing_warning): Fix formatting.
4136 2006-08-13 Matthias Klose <doko@debian.org>
4138 * doc/invoke.texi: Fix spelling errors.
4140 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4142 PR rtl-optimization/23454
4143 * reorg.c (relax_delay_slots): Update comment.
4145 2006-08-11 Richard Guenther <rguenther@suse.de>
4148 * simplify-rtx.c (simplify_const_relational_operation):
4149 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4152 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4154 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4155 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4157 2006-08-10 Paul Brook <paul@codesourcery.com>
4159 * final.c (final_scan_insn): Clear current_insn_predicate before
4160 outputting inline asm.
4162 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4164 PR tree-optimization/26197
4165 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4166 get_ref_base_and_extent and overlap_subvar to add only relevant
4167 subvars as may-aliases.
4168 (add_may_alias_for_new_tag): New function, factored out of
4170 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4171 with additional argument.
4172 * tree-flow.h (new_type_alias): Takes additional argument.
4174 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4176 * gcov.c (no_data_file): New flag.
4177 (read_count_file): Set it if data file not present. Assume counts
4179 (output_lines): Don't name the data file, if there wasn't one.
4181 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4183 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4184 (rs6000_generate_compare): Tweak comments.
4185 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4187 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4189 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4190 (var_debug_decl): New function.
4191 (var_reg_set): Follow debug decl link. Add location even if
4192 reg is already known to hold some other variable.
4193 (var_mem_set): Follow debug decl link.
4194 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4195 decl link. Delete other known locations of the variable part
4197 (var_reg_delete, var_mem_delete): Delete other known locations
4198 of the variable part if requested.
4199 (same_variable_part_p): New function.
4200 (add_stores): Select MO_COPY when appropriate.
4201 (vt_initialize): Handle it.
4202 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4203 known locations for MO_SET and MO_CLOBBER.
4204 (find_variable_location_part): New function.
4205 (set_variable_part, delete_variable_part): Use it.
4206 (clobber_variable_part): New function.
4207 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4210 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4212 PR tree-optimization/26969
4213 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4214 with an empty list of PHIs.
4216 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4220 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4223 2006-08-06 Andreas Schwab <schwab@suse.de>
4225 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4226 string. Whitespace and comment fixup.
4228 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4231 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4235 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4238 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4240 2006-08-04 Jan Hubicka <jh@suse.cz>
4244 * reload.c (push_reload): Patch out the mismatching instruction;
4246 (find_reload): Bail out if the instruction was patched out.
4248 2006-08-04 Jan Hubicka <jh@suse.cz>
4250 PR tree-optimization/24888
4251 * tree-inline.c (expand_call_inline): Do not re-record variables.
4252 (declare_inline_vars): Add variable to unexpanded_var_list.
4254 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4255 Roger Sayle <roger@eyesopen.com>
4257 PR rtl-optimization/26244
4258 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4259 inner_const are negative or greater than or equal to the bitsize of
4260 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4261 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4262 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4263 CONST0_RTX (mode) when the new shift count is greater than or equal to
4264 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4267 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4269 * tree-cfg.c: Fix a comment typo.
4271 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4274 * varasm.c (output_constant): Give the front end another chance to
4275 expand constants, after stripping NOPs.
4277 2006-08-03 Jan Hubicka <jh@suse.cz>
4279 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4282 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4284 PR tree-optimization/27770
4285 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4286 declaration removed (moved to tree-flow.h).
4287 (vect_can_force_dr_alignment_p): Likewise.
4288 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4289 (moved from tree-vectorizer.h).
4290 (vect_can_force_dr_alignment_p): Likewise.
4291 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4292 from outside the vectorizer - in particular from cgraph stage.
4293 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4294 the alignment of global arrays when -fsection-anchors is enabled.
4295 * cgraphunit.c (cgraph_increase_alignment): New function.
4296 (cgraph_optimize): Call cgraph_increase_alignment.
4298 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4301 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4302 not reload a SPE symbol_ref into a lo_sum address.
4304 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4307 * dwarf2out.c (prune_unused_types_prune): Move call to
4308 prune_unused_types_update_strings to cover the parent DIE also.
4310 2006-08-02 Jan Hubicka <jh@suse.cz>
4312 PR gcov/profile/28480
4313 * tree-cfg.c (change_bb_for_stmt): New function.
4314 (tree_merge_blocks, tree_split_blocks): Use it.
4316 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4322 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4323 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4324 (cgraph_optimize): Likewise.
4326 2006-08-01 Stuart Hastings <stuart@apple.com>
4328 * rtl.h (UINTVAL) New.
4329 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4330 * testsuite/gcc.dg/20060801-1.c: New.
4332 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4335 * c-typeck.c (build_external_type): Mark used enum types.
4336 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4338 (gen_subprogram_die): Whitespace fix.
4340 2006-08-01 Jan Hubicka <jh@suse.cz>
4342 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4343 bitmap when not needed.
4344 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4347 2006-08-01 Dirk Mueller <dmueller@suse.de>
4349 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4351 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4353 * Makefile.in: Revert part of previous patch:
4354 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4357 2006-07-30 Eric Christopher <echristo@apple.com>
4360 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4361 (PowerPC Variable Attributes): New section.
4363 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4365 PR target/28126 (partial fix)
4366 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4368 2006-07-28 Jan Hubicka <jh@suse.cz>
4370 PR rtl-optimization/28071
4371 * cfgrtl.c (rtl_delete_block): Free regsets.
4372 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4374 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4376 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4377 and variables used in dependencies.
4379 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4381 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4382 %fs for -mcmodel=kernel.
4383 (stack_tls_protect_test_di): Likewise.
4385 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4387 * Makefile.in: Use mkinstalldirs.
4389 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4392 * opts-common.c (prune_options): Skip joined switches.
4394 2006-07-27 Jan Hubicka <jh@suse.cz>
4396 PR rtl-optimization/28071
4397 * cselib.c (cselib_process_insn): Don't remove useless values too
4398 often for very large hashtables.
4400 2006-07-27 Jan Hubicka <jh@suse.cz>
4402 PR rtl-optimization/28071
4403 * global.c (greg_obstack): New obstack.
4404 (allocate_bb_info): Use it.
4405 (free_bb_info): Likewise.
4406 (modify_reg_pav): Likewise.
4408 2006-07-27 Roger Sayle <roger@eyesopen.com>
4410 * builtins.c (fold_fixed_mathfn): When long and long long are the
4411 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4412 functions to their lceil*, lfloor*, lround* and lrint* forms.
4414 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4417 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4419 (rev_branch_insn): Likewise.
4421 2006-07-27 Jan Hubicka <jh@suse.cz>
4423 PR rtl-optimization/28071
4424 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4425 (reg_set_in_bb, max_reg_computed): New static variables.
4426 (regmove_optimize): Free the new array.
4427 (fixup_match_1): Update call of reg_is_remote_constant_p.
4429 2006-07-26 Jan Hubicka <jh@suse.cz>
4431 PR tree-optimization/27882
4432 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4434 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4436 (cgraph_analyze_compilation_unit): Likewise.
4437 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4438 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4439 (cgraph_early_inlinine): Make order garbage collected.
4440 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4442 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4444 * dbxout.c (output_types_sort): Add a comment.
4445 (output_used_types): Free the VEC.
4447 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4449 * function.c (reorder_fix_fragments): Delete.
4450 (reorder_blocks): Don't call it.
4451 (reorder_blocks_1): Put all subblocks under the origin block.
4453 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4455 PR rtl-optimization/27907
4456 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4459 2006-07-25 Roger Sayle <roger@eyesopen.com>
4462 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4463 bar(x) check that bar's result type can represent all the values of T.
4465 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4467 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4469 2006-07-25 Nick Clifton <nickc@redhat.com>
4471 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4472 size_lookup[] array.
4473 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4474 (ggc_pch_count_object): Likewise.
4475 (ggc_pch_alloc_object): Likewise.
4476 (ggc_pch_write_object): Likewise.
4477 (init_ggc): Do not attempt to initialize entries in the
4478 size_lookup[] array for objects whose size is greater than than
4479 the length of the array.
4481 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4483 * dbxout.c (output_used_types_helper): Push queued types
4485 (output_types_sort): New.
4486 (output_used_types): Collect used types on a VEC and sort them
4489 2006-07-24 Richard Guenther <rguenther@suse.de>
4492 * cgraph.c (cgraph_remove_node): Do not check if dumps
4494 * cgraphunit.c (cgraph_optimize): Likewise.
4496 2006-07-24 Jan Hubicka <jh@suse.cz>
4498 PR rtl-optimization/28071
4499 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4500 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4501 splitting before first stmt.
4503 2006-07-24 Jan Hubicka <jh@suse.cz>
4505 PR rtl-optimization/28071
4506 * ipa-inline.c (update_caller_keys): Remove edges that
4507 are no longer inline candidates.
4509 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4512 * dbxout.c (output_used_types_helper, output_used_types): New.
4513 (dbxout_symbol): Call output_used_types.
4515 2006-07-23 Jan Hubicka <jh@suse.cz>
4519 * cgraph.c (cgraph_varpool_nodes): Export.
4520 (decide_is_variable_needed): Ignored "used" attribute in
4521 unit-at-a-time mode.
4522 * cgraph.h (cgraph_varpool_nodes): Declare.
4523 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4524 unit-at-a-time mode.
4526 2006-07-23 Roger Sayle <roger@eyesopen.com>
4529 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4530 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4531 the __gthrw form of thr_keycreate.
4532 (__gthread_key_delete): Silence the unused argument warning.
4534 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4537 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4538 Cache the last found '\0' marker to avoid quadratic behavior.
4540 2006-07-23 Jan Hubicka <jh@suse.cz>
4542 * i386.md (subsi_3_zext): Fix output template.
4544 2006-07-21 Mike Stump <mrs@apple.com>
4546 * doc/invoke.texi (C++ Dialect Options): Note that
4547 -fvisibility-inlines-hidden doesn't affect explicitly
4548 instantiationed inline methods.
4550 2006-07-20 Roger Sayle <roger@eyesopen.com>
4552 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4553 if the target assembler is GNU binutils' gas.
4554 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4555 whether to pass GNU gas or native as command line options.
4557 2006-07-20 Jason Merrill <jason@redhat.com>
4559 * tree.c (remove_attribute): New fn.
4560 * tree.h: Declare it.
4562 2006-07-20 Paul Brook <paul@codesourcery.com>
4565 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4566 they are invalidated by this instruction.
4568 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4571 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4573 2006-07-20 Eric Christopher <echristo@apple.com>
4576 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4578 2006-07-19 Eric Christopher <echristo@apple.com>
4580 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4581 Rewrite dependencies for libgcc_s.1.dylib.
4583 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4585 * except.c (duplicate_eh_regions_1): Clear next_peer.
4587 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4589 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4590 -mlongcall does not guarantee all calls will be long.
4591 * doc/extend.texi (long_call/short_call): Document that longcall
4592 does not guarantee a long call will be used.
4593 (longcall/shortcall): Likewise.
4595 2006-07-18 Roger Sayle <roger@eyesopen.com>
4598 * expmed.c (expand_shift): Additionally check that the shift_cost
4599 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4600 before implementing a LSHIFT_EXPR as a sequence of additions.
4601 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4602 middle-end that DImode shifts need to be synthesized by expand.
4604 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4607 * tree-ssa-operands.c (access_can_touch_variable): Update
4609 Return true if ALIAS is .GLOBAL_VAR.
4611 2006-07-18 David Daney <ddaney@avtrex.com>
4613 * gcc.c (display_help): Fix typo in help text.
4615 2006-07-18 Olivier Hainque <hainque@adacore.com>
4617 * tree.h (categorize_ctor_elements): Adjust prototype and add
4618 descriptive comment, both in accordance with the interface change
4620 * varasm.c (constructor_static_from_elts_p): New function.
4621 Whether a constructor node is a valid static constant initializer
4622 if all its elements are.
4623 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4624 * output.h: Declare it.
4625 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4626 is a valid constant initializer instead of computing the number of
4627 non-constant elements. Use constructor_static_from_elts_p for this
4628 purpose. Replace the head comment with an indication that this is a
4629 helper for categorize_ctor_elements.
4630 (categorize_ctor_elements): Same interface change as for the _1
4631 helper. Former head comment from this helper moved here, adjusted to
4632 account for the interface changes.
4633 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4634 (all_zeros_p): Likewise.
4635 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4636 static versions of the constructor from the categorize_ctor_elements
4637 return value instead of the formerly computed number of non-constant
4640 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4642 * configure: Regenerate.
4643 * Makefile.in (build_libsubdir): New configure substitution
4644 (build_libobjdir): New variable.
4645 (BUILD_LIBIBERTY): Use it.
4647 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4650 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4652 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4655 * c-common.c (handle_weakref_attribute): Ignore attribute in
4656 the same conditions the alias attribute is ignored.
4658 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4660 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4661 (dbxout_begin_prologue): Increment scope_labelno.
4663 2006-07-17 Richard Henderson <rth@redhat.com>
4666 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4669 2006-07-17 Roger Sayle <roger@eyesopen.com>
4670 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4672 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4673 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4674 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4675 functions such as sbrk, write, etc.. Add function prototypes.
4676 Convert function declarations from K&R to ISO C. Cast pointers
4677 to "long" and "unsigned long" instead of "int" and "unsigned int".
4678 Convert tokens following #endif into comments.
4680 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4682 * invoke.texi: Remove mention of f77; Reformat table for
4683 inline parameter options correctly; mention that -malign-double
4684 is default on x86-64 targets.
4686 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4688 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4689 (convert_affine_scev, chrec_convert_aggressive): Use
4690 avoid_arithmetics_in_type_p. Do not check for the subtypes
4693 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4696 * optabs.c (expand_doubleword_shift): Wrap the call to
4697 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4699 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4702 * optabs.c (expand_binop): Pass next_methods rather than methods
4703 to expand_doubleword_shift.
4705 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4708 * tree.h (dump_addr): Declare.
4709 * print-tree.c (dump_addr): New function.
4710 (print_node_brief, print_node): Use it.
4711 * print-rtl.c (print_rtx): Likewise.
4712 * common.opt (-fdump-noaddr): New option.
4713 * doc/invoke.texi (-fdump-noaddr): Document.
4714 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4715 (ve_info_hash): Likewise.
4717 2006-07-13 Andrew Haley <aph@redhat.com>
4719 PR tree-optimization/19505
4720 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4721 edge leaving this block, make sure that the destination of this
4722 block has only one predecessor.
4724 2006-07-17 Richard Guenther <rguenther@suse.de>
4726 PR tree-optimization/28238
4727 * tree-inline.c (copy_bb): Check if we produced valid
4728 gimple copying and substituting a stmt. If not, gimplify
4731 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4733 * optabs.c (maybe_encapsulate_block): New function extracted from...
4734 (emit_libcall_block): ...here. Invoke it on the block of insns to
4735 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4736 (emit_no_conflict_block): Likewise.
4738 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4740 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4742 2006-07-15 Roger Sayle <roger@eyesopen.com>
4744 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4745 a new NOP_EXPR case of the switch statement.
4747 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4750 * stor-layout.c (place_field): Take the bit field with
4751 an excessive size into account in the ms-bitfiled case.
4754 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4755 the previous bit field.
4757 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4760 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4762 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4764 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4765 signal frames correctly even when the signal was installed with
4768 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4770 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4771 (dbxout_function_end): Use local label LFBB. Remove hook
4773 (dbxout_source_line): Use local label LFBB.
4774 (dbxout_block): Likewise.
4775 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4776 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4777 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4778 and DBX_OUTPUT_NFUN.
4780 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4782 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4784 2006-07-13 Jan Hubicka <jh@suse.cz>
4786 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4788 * output.h (align_variable): Declare.
4789 * varasm.c (align_variable): Export.
4790 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4791 when basic block changed.
4793 2006-07-13 Nick Clifton <nickc@redhat.com>
4795 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4796 walking the LOG_LINKS chain.
4798 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4800 * doc/invoke.texi (C++ Dialect Options): Explain difference
4801 between -fvisibility-inlines-hidden and setting hidden
4802 visibility explicitly.
4804 2006-07-12 Eric Christopher <echristo@apple.com>
4806 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4807 (stmp-lipo): Depend on libgcc.a.
4809 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4811 * tree.c: Fix a comment typo.
4813 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4815 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4817 (umulhisi3_r): Likewise.
4819 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4822 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4823 x < 19, vs wchar_t support.
4825 2006-07-12 Nick Clifton <nickc@redhat.com>
4827 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4828 instead of -isa=sh4.
4830 2006-07-12 Mike Stump <mrs@apple.com>
4832 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4834 2006-07-10 Eric Christopher <echristo@apple.com>
4836 * config/t-slibgcc-darwin: Rewrite.
4838 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4841 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4844 2006-07-08 Matthias Klose <doko@debian.org>
4846 * doc/sourcebuild.texi: Fix typo.
4848 2006-07-07 Mike Stump <mrs@apple.com>
4850 * toplev.c (process_options): Don't give -ffunction-sections may
4851 affect debugging warning for Mach-O.
4853 2006-07-07 James E Wilson <wilson@specifix.com>
4855 * config/mips/mips.md (cpu): Add sb1a.
4856 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4857 addition to sb1. Adjust comments to clarify SB-1A differences from
4859 (ir_sb1a_load): New. Modify bypasses to use it.
4860 (ir_sb1a_simple_alu): Likewise.
4861 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4862 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4863 (mips_issue_rate): Add PROCESSOR_SB1A.
4864 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4865 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4866 (TARGET_SB1): Add PROCESSOR_SB1A check.
4867 (TUNE_SB1): Likewise.
4869 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4870 * config/mips/mips.c (mips_store_data_bypass_p): New.
4871 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4872 store_data_bypass_p.
4874 2006-07-08 Paul Brook <paul@codesourcery.com>
4877 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4879 2006-07-07 Richard Guenther <rguenther@suse.de>
4882 * tree.h (build_one_cst): Declare.
4883 * tree.c (build_one_cst): New function.
4884 * tree-ssa-math-opts.c (get_constant_one): Remove.
4885 (insert_reciprocals): Use build_one_cst.
4886 * fold-const.c (fold_plusminus_mult): Likewise.
4888 2006-07-07 Roger Sayle <roger@eyesopen.com>
4890 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4891 * cfgloopanal.c (dump_graph): Likewise.
4892 * dojump.c (discard_pending_stack_adjust): Likewise.
4893 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4895 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4896 * function.c (finalize_block_changes): Likewise.
4897 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4898 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4899 * rtl.c (dump_rtx_statistics): Likewise.
4900 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4902 * varray.c (dump_varray_statistics): Likewise.
4903 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4904 decode_decimal64, encode_decimal128, decode_decimal128,
4905 decimal_real_to_decimal): Likewise.
4907 2006-07-07 Richard Guenther <rguenther@suse.de>
4909 PR tree-optimization/28187
4910 * tree-vrp.c (vrp_operand_equal_p): New function.
4911 (vrp_bitmap_equal_p): Likewise.
4912 (update_value_range): Use them to compare old and new
4915 2006-07-06 Roger Sayle <roger@eyesopen.com>
4917 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4918 a default case to switch statement to silence compiler warnings.
4920 2006-07-06 Roger Sayle <roger@eyesopen.com>
4923 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4924 the configured assembler supports the x87's ffreep mnemonic.
4925 * configure: Regenerate.
4926 * config.in: Regenerate.
4928 * config/i386/i386.c (output_387_ffreep): New function.
4929 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4930 (output_387_reg_move): Likewise.
4932 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4934 Port to hosts whose 'sort' and 'tail' implementations
4935 treat operands with leading '+' as file names, as POSIX
4936 has required since 2001. However, make sure the code still
4937 works on pre-POSIX hosts.
4938 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4939 which says you should use "tail -c +N" rather than "tail +Nc".
4940 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4942 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4944 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4947 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4950 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4951 PRE_{INC,DEC} of TFmode.
4953 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4954 Alan Modra <amodra@bigpond.net.au>
4957 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4960 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4963 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4964 Remove duplicate gtu.
4966 2006-07-05 Jason Merrill <jason@redhat.com>
4970 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4971 * c-common.c (handle_packed_attribute): So don't copy it here.
4972 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4974 2006-07-05 Mike Stump <mrs@apple.com>
4976 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4978 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4981 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4983 2006-07-05 Richard Guenther <rguenther@suse.de>
4986 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4987 TARGET_SSE2 targets if using SSE math.
4988 (*absdf2_1): Likewise.
4990 2006-07-05 Richard Guenther <rguenther@suse.de>
4992 PR tree-optimization/28162
4993 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4994 make sure to convert the operands to the correct type.
4996 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4998 PR tree-optimization/28218
5000 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5001 to calculate and free the dominator information.
5003 2006-07-04 Peter O'Gorman <peter@pogma.com>
5005 * mklibgcc.in: chmod 644 before ranlib during install.
5007 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5008 J"orn Rennecke <joern.rennecke@st.com>
5010 * configure.ac (.eh_frame data check): Use diff -b.
5012 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5015 * Makefile.in (BUILD_RTL): Add build/vec.o.
5016 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5017 (build/genextract): Delete.
5018 (build/genautomata): Likewise.
5020 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5023 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5024 128-bit IBM long doubles for ABI_V4.
5026 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5028 * tree.c (range_in_array_bounds_p): New predicate.
5029 * tree.h (range_in_array_bounds_p): Declare it.
5030 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5031 return a less conservative answer.
5032 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5033 and flag 'is_group'.
5034 (IS_ELEMENT_FOR_GROUP): New macro.
5035 (FOR_EACH_ACTUAL_CHILD): Likewise.
5036 (next_child_for_group): New helper function.
5037 (can_completely_scalarize_p): Take into account groups.
5038 (sra_hash_tree): Handle RANGE_EXPR.
5039 (sra_elt_eq): Likewise.
5040 (lookup_element): Be prepared for handling groups.
5041 (is_valid_const_index): Delete.
5042 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5043 instead of is_valid_const_index.
5044 <ARRAY_RANGE_REF>: New case.
5045 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5046 is_valid_const_index.
5047 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5048 (scan_dump): Dump info for groups too.
5049 (decide_instantiation_1): Likewise.
5050 (decide_block_copy): Assert that the element is not a group.
5051 Propagate decision to groups.
5052 (generate_one_element_ref): Handle RANGE_EXPR.
5053 (mark_no_warning): Iterate over actual childs.
5054 (generate_copy_inout): Likewise.
5055 (generate_element_copy): Likewise.
5056 (generate_element_zero): Likewise.
5057 (generate_element_init_1): Likewise.
5058 (dump_sra_elt_name): Handle RANGE_EXPR.
5060 2006-07-03 Roger Sayle <roger@eyesopen.com>
5062 PR tree-optimization/26251
5063 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5064 (thread_block): When optimizing for size refuse to thread jumps
5065 that would require duplication of blocks other than redirection
5068 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5070 * configure.ac: Fix thinko in previous check-in.
5071 * configure: Regenerate.
5073 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5076 * configure.ac (for lang...): Simplify nesting of conditionals.
5077 Test subdir_requires for non-enabled languages. Move processing
5078 of lang_opt_files and lang_tree_fiels below that test.
5079 * configure: Regenerate.
5080 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5082 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5084 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5086 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5088 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5091 2006-06-29 Jason Merrill <jason@redhat.com>
5098 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5099 * c-common.c (c_determine_visibility): Handle it here.
5100 * c-decl.c (finish_decl): Call c_determine_visibility for
5102 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5104 * varasm.c (default_assemble_visibility): Likewise.
5105 * c-common.c (handle_visibility_attribute): Complain about trying
5106 to give visibility to an already defined class, or trying to change
5107 declared visibility. Always attach the attribute.
5112 * attribs.c (decl_attributes): Ignore type-in-place attributes
5113 once the type has been defined.
5115 2006-06-29 Roger Sayle <roger@eyesopen.com>
5118 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5119 to indicate the cpplib has issued an error message for us.
5121 2006-06-29 Asher Langton <langton2@llnl.gov>
5124 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5125 insert a label at the end of an function under Mach-O.
5127 2006-06-29 Eric Christopher <echristo@apple.com>
5128 Evan Cheng <evan.cheng@apple.com>
5130 * predicates.md (vector_all_ones_operand): New.
5131 (nonimmediate_or_sse_const_operand): Ditto.
5132 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5133 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5134 (standard_sse_mode_p): Ditto.
5135 (standard_sse_constant_p): Add case for -1 vector.
5136 (ix86_expand_vector_move): Try to use.
5137 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5138 Call standard_sse_constant_opcode.
5139 (*movv4sf_internal): Ditto.
5140 (*movv2df_internal): Ditto.
5142 2006-06-29 Roger Sayle <roger@eyesopen.com>
5144 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5145 of XEXP to extract the operands of a MATCH_CODE rtx.
5147 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5149 * tree.c (tree_size): Do not waste tail padding in
5150 struct tree_string and make the size be the same as
5151 build_string will generate.
5153 2006-06-28 Jason Merrill <jason@redhat.com>
5156 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5157 may_aliases already in the tag's annotations to the bitmap.
5159 2006-06-28 Roger Sayle <roger@eyesopen.com>
5161 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5163 2006-06-28 Roger Sayle <roger@eyesopen.com>
5165 * genpreds.c (generate_switch_p): New function.
5166 (add_mode_tests): Push the new mode test down inside an AND expr
5167 if this allows the switch-suitable MATCH_CODE to be near the root.
5168 (write_match_code_switch): New function to write a MATCH_CODE as
5170 (write_predicate_stmts): New function to write a predicate RTX
5171 expression as a sequence of statements.
5172 (write_one_predicate_function): Use write_predicate_stmts.
5173 (write_tm_constrs_h): Likewise.
5175 2006-06-26 Fred Fish <fnf@specifix.com>
5177 * config/mips/t-sb1: New file.
5178 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5181 2006-06-26 DJ Delorie <dj@redhat.com>
5183 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5185 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5186 Jayant Sonar <jayants@kpitcummins.com>
5187 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5189 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5190 (subsi3, subsi3_1, subsi3_2): New.
5191 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5192 * config/m32c/mov.md (SI mov peephole): New.
5193 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5194 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5196 2006-06-26 Olivier Hainque <hainque@adacore.com>
5198 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5199 a CALL_EXPR target function declaration.
5201 2006-06-26 Richard Guenther <rguenther@suse.de>
5203 * tree.c (build_string): Do not waste tail padding in
5206 2006-06-26 Richard Guenther <rguenther@suse.de>
5208 * ggc-page.c (init_ggc): Add missing element to size_lookup
5212 2006-06-23 Richard Guenther <rguenther@suse.de>
5214 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5215 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5216 alignment requests instead. Add verification code.
5217 Add struct tree_function_decl and struct tree_binfo size to
5218 extra_order_size_table. Add missing element to size_lookup
5221 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5224 * fold-const.c (const_binop): Be prepared for self returning zero.
5225 Simplify code handling complex values.
5227 2006-06-24 Olivier Hainque <hainque@adacore.com>
5229 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5230 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5233 2006-06-24 Olivier Hainque <hainque@adacore.com>
5235 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5236 ARRAY_REF, so have the callback called for the low bound expression.
5238 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5240 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5241 * c-typeck.c (c_common_type): Disallow operations on decimal float
5242 types and other float types.
5243 * convert.c (convert_to_real): Don't ignore conversions involving
5244 decimal float types.
5246 2006-06-23 Olivier Hainque <hainque@adacore.com>
5248 * tree.c (max_int_size_in_bytes): New function, inspired from
5249 code in function.c:assign_temp.
5250 * tree.h (max_int_size_in_bytes): Declare.
5251 * function.c (assign_temp): Use it.
5252 * gimplify.c (create_tmp_var): Relax the assertions on the type
5253 properties, not mandating constant size any more.
5254 (force_constant_size): New static function.
5255 (gimple_add_tmp_var): Use it, forcing variable size to a
5256 constant upper bound if it is not constant on entry.
5258 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5261 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5262 for initialization and setting of one_only flag to ...
5263 (i386_pe_encode_section_info): ...here.
5264 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5265 Recheck that the symbol has not been defined.
5267 2006-06-23 Richard Guenther <rguenther@suse.de>
5269 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5270 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5271 alignment requests instead. Add verification code.
5272 Add struct tree_function_decl and struct tree_binfo size to
5273 extra_order_size_table. Add missing element to size_lookup
5276 2006-06-22 Roger Sayle <roger@eyesopen.com>
5277 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5280 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5281 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5283 2006-06-23 Ben Elliston <bje@au.ibm.com>
5285 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5286 negate dn -- manipulate it directly.
5288 2006-06-22 Roger Sayle <roger@eyesopen.com>
5289 Steven Bosscher <stevenb.gcc@gmail.com>
5292 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5293 generated by gen_move_insn to add REG_LABEL notes if necessary.
5295 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5297 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5298 (leaf_entry): Remove use of MIN_ESA.
5300 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5302 PR rtl-optimization/28121
5303 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5306 2006-06-21 DJ Delorie <dj@redhat.com>
5308 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5310 (mulhisi3_r): Likewise.
5312 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5315 * coverage.c (coverage_counter_alloc): Leave the index type
5317 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5320 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5322 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5323 section from the "Options for Code Generation Conventions".
5325 2006-06-21 Richard Henderson <rth@redhat.com>
5329 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5331 (global_symbolic_operand): Allow weak symbols, even if local_p.
5333 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5335 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5336 (find_interesting_uses_address): Punt if above function returns true.
5338 2006-06-21 Richard Guenther <rguenther@suse.de>
5340 * configure: Regenerated.
5342 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5344 * config/mips/mips.c (function_arg): Where one part of a
5345 complex argument is in registers and the other part in the stack,
5346 return a REG not a PARALLEL.
5348 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5350 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5351 when cross-compiling. Do not substitute libstdcxx_incdir.
5352 * configure: Regenerated.
5354 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5356 * varasm.c (mergeable_string_section): Check for embedded NULs and
5357 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5358 rather than TREE_STRING_LENGTH bytes.
5360 2006-06-21 Richard Guenther <rguenther@suse.de>
5362 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5363 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5366 2006-06-21 Richrad Guenther <rguenther@suse.de>
5368 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5369 Limit iteration over the dominators.
5371 2006-06-20 Roger Sayle <roger@eyesopen.com>
5373 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5374 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5376 2006-06-20 Richard Guenther <rguenther@suse.de>
5377 Michael Matz <matz@suse.de>
5379 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5381 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5382 * et-forest.h (et_free_pools): Prototype new function.
5383 * et-forest.c (et_free_tree_force): Free parent occurrence.
5384 (et_free_pools): New function.
5385 * dominance.c (free_dominance_info): Free et-forest alloc
5388 2006-06-20 Roger Sayle <roger@eyesopen.com>
5390 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5391 integer modes, attempt to directly construct an integer constant.
5393 * fold-const.c (native_encode_vector): Determine the size of each
5394 element from the vector type instead of the first vector element.
5396 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5397 if all of its elements/components are constant.
5398 (build_constructor_from_list): Likewise.
5400 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5402 PR tree-optimization/27331
5403 * tree-data-ref.c (free_data_ref): New function.
5404 (create_data_ref): Fail if the data reference has unknown access
5406 (free_data_refs): Use free_data_ref.
5408 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5411 * tree-inline.c (setup_one_parameter): Strip useless
5412 type conversion before adding it to the IR.
5413 (declare_return_variable): Likewise.
5415 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5418 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5420 2006-06-19 Mike Stump <mrs@apple.com>
5422 * tree.c (variably_modified_type_p): VM arguments don't make the
5425 2006-06-19 Richard Guenther <rguenther@suse.de>
5427 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5428 type conversions after folding.
5430 2006-06-19 Richard Guenther <rguenther@suse.de>
5432 * ggc-page.c (extra_order_size_tab): Add entries with
5433 size of struct function and basic_block.
5434 (size_lookup): Extend to cover sizes up to 511.
5435 (ggc_alloc_stat): Adjust user.
5436 (ggc_pch_count_object): Likewise.
5437 (ggc_pch_alloc_object): Likewise.
5438 (ggc_pch_write_object): Likewise.
5440 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5442 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5443 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5446 2006-06-19 Denis Chertykov <denisc@overta.ru>
5448 * config/avr/libgcc.S : Correct my wrong previous commit.
5450 2006-06-19 Roger Sayle <roger@eyesopen.com>
5453 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5454 have stripped a SUBREG from the shift count, so we may need to
5455 convert_to_mode back to the type's mode before calling make_tree.
5456 Use new_amount instead of amount to avoid expanding a tree twice.
5458 2006-06-19 Richard Guenther <rguenther@suse.de>
5461 * fold-const.c (operand_equal_p): Check if the argument types
5462 have the same precision before stripping NOPs.
5464 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5466 Fix PR tree-optimization/27341
5467 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5469 * tree-complex.c (pass_lower_complex): Update SMT usage.
5471 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5473 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5474 Add a new alternative to the constraint strings. Add move of
5475 operand 1 to 3 to the splitter definition.
5476 ("doloop_si_long"): Second contraint alternative removed.
5478 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5480 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5481 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5483 (AVR_HAVE_MOVW) Define.
5484 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5485 (ASM_SPEC): Add avr25.
5486 (LINK_SPEC): Add avr25.
5487 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5488 (base_arch_s): Add new member 'have_movw_lpmx'.
5489 (avr_arch_types): Init 'have_movw_lpmx'.
5490 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5491 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5492 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5493 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5494 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5496 (avr_file_start): Do not output '.arh' derective.
5497 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5498 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5499 * config/avr/avr.md (mcu_enhanced): Delete.
5500 (mcu_have_movw): Define.
5501 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5502 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5503 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5504 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5505 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5506 attiny861 and at86rf401 devices.
5508 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5510 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5513 2006-06-17 Karl Berry <karl@gnu.org>
5515 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5516 doc/gccint.texi, doc/install.texi (@dircategory): Use
5517 "Software development" instead of "Programming", following
5518 the Free Software Directory.
5520 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5522 * config/i386/i386.c (legitimate_tls_address)
5523 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5524 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5525 (*tls_dynamic_gnu2_combine_64): Likewise.
5527 2006-06-16 Richard Guenther <rguenther@suse.de>
5530 * fold-const.c (negate_expr_p): Do not introduce undefined
5531 overflow in negating INTEGER_CSTs.
5532 (fold_negate_expr): Rename from negate_expr. Revert last
5533 change for folding BIT_NOT_EXPR. Change semantics to
5534 return NULL_TREE for non-simplified negations. Do not
5535 strip type conversions and unify type handling.
5536 (negate_expr): New function, wrap around fold_negate_expr
5537 but ensure building a tree always. Strip type conversions
5538 here, fold to result type.
5539 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5541 2006-06-16 Roger Sayle <roger@eyesopen.com>
5544 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5545 that (would) return their results in stack registers.
5547 2006-06-16 Michael Matz <matz@suse.de>
5548 Richard Guenther <rguenther@suse.de>
5550 * fold-const.c (fold_truthop): Only return new tree node if
5551 we canonicalized something.
5553 2006-06-16 Richard Guenther <rguenther@suse.de>
5555 * function.h (enum function_frequency): Move declaration
5556 out of struct function.
5557 (struct function): Move bool fields and the enum to the bitfield
5558 section. Reorder elements to avoid padding. Remove unused
5559 fields left over from the RTL inliner removal.
5560 * function.c (free_after_compilation): Do not zero removed fields.
5561 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5562 (ipa-type-escape.o): Likewise.
5564 2006-06-16 Richard Guenther <rguenther@suse.de>
5566 * cgraph.h (struct cgraph_local_info): Turn bool elements
5568 (struct cgraph_node): Likewise.
5569 (struct cgraph_varpool_node): Likewise.
5571 2006-06-15 Richard Guenther <rguenther@suse.de>
5573 * fold-const.c (fold_truth_not_expr): Rename from
5574 invert_truthvalue. Give it fold_* semantics to avoid
5576 (invert_truthvalue): New function. Wrapper around
5577 fold_truth_not_expr.
5578 (optimize_minmax_comparison): Avoid creating garbage.
5579 (fold_unary): Use fold_truth_not_expr for folding
5581 (fold_ternary): Replace uses of invert_truthvalue with
5582 fold_truth_not_expr where applicable.
5583 * tree.h (fold_truth_not_expr): Prototype.
5585 2006-06-16 Richard Guenther <rguenther@suse.de>
5587 PR tree-optimization/27781
5588 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5589 * ipa-pure-const.c (target.h): Include.
5590 (analyze_function): Do not analyze functions that do not
5593 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5596 * tree-dfa.c (referenced_vars_dup_list): Remove.
5597 (find_referenced_vars): Remove assert.
5598 (referenced_var_check_and_insert): Replace dup list with assert.
5599 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5600 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5602 2006-06-15 Richard Guenther <rguenther@suse.de>
5604 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5605 extra unused identifiers if not dumping.
5606 (create_variable_info_for): Likewise.
5608 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5610 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5611 (derive_constant_upper_bound): Derive more precise upper bound in
5612 common cases. Return type changed to double_int.
5613 (record_estimate): Reflect the changed return type of
5614 derive_constant_upper_bound.
5615 * double-int.c (double_int_zext, double_int_sext): Fix.
5617 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5619 * configure.ac (CFLAGS): Get them from the toplevel or from the
5620 configure invocation.
5621 * configure: Regenerate.
5622 * Makefile.in (CFLAGS): Substitute value provided by configure.
5624 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5627 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5628 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5629 rather than calling add_stmt on it.
5630 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5632 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5635 * reload1.c (reload): Remove registers returned by update_eliminables
5636 from used_spill_regs.
5638 2006-06-13 DJ Delorie <dj@redhat.com>
5640 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5642 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5644 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5645 html__strip_dir, html__mkdir_p. Enhance install-html target.
5646 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5647 * configure: Regenerate.
5649 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5651 * fold-const.c (fold_cond_expr_with_comparison): Check for
5652 Objective-C++ as language in deciding COND_EXPR transformation.
5654 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5657 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5658 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5659 * config/sh/lib1funcs.h (SL, SL1): Define.
5660 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5661 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5662 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5663 (OBJS_Os_4_200): New variable.
5664 ($(T)libgcc-Os-4-200.a): Use it.
5665 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5666 when dividing 1 and/or by 0.
5668 2006-06-13 Roger Sayle <roger@eyesopen.com>
5670 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5671 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5672 * configure: Regenerate.
5674 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5676 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5677 for real instruction.
5679 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5682 * haifa-sched.c (check_cfg): Handle special case.
5684 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5687 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5688 Add debug_info parameter. Chain the vars to the BLOCK instead
5689 of the BIND_EXPR if debug info are requested for them.
5690 (pop_gimplify_context): Adjust for above change.
5691 (gimple_add_tmp_var): Likewise.
5692 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5694 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5695 (convert_local_reference): Likewise.
5696 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5697 (finalize_nesting_tree_1): Request that debug info be emitted
5698 for debug_var_chain.
5700 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5702 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5703 for PR target/27863.
5705 2006-06-13 Richard Guenther <rguenther@suse.de>
5708 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5710 2006-06-13 Richard Guenther <rguenther@suse.de>
5712 PR tree-optimization/27830
5713 * tree-inline.c (copy_body_r): For copying the operand
5714 of an ADDR_EXPR make sure to fold &* afterwards.
5716 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5718 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5719 lvalues in the fb_none case with side-effects.
5721 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5723 * tree-flow.h: Remove the prototype for
5724 compute_phi_arg_on_exit.
5725 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5726 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5729 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5731 * builtins.c (expand_builtin_return_addr): Only use
5732 frame_pointer_rtx when count == 0 and we are expanding
5733 __builtin_return_address.
5735 2006-06-12 Fred Fish <fnf@specifix.com>
5737 * config/mips/mips.c (mips_file_start): Create special section
5738 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5740 2006-06-11 Eric Christopher <echristo@apple.com>
5743 * stor-layout.c (place_field): Remove check for
5744 remaining_in_alignment when aligning at the end of a run.
5746 2006-06-11 Eric Christopher <echristo@apple.com>
5749 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5752 2006-06-11 Roger Sayle <roger@eyesopen.com>
5755 Revert incorrect fix for PR target/27158
5756 2006-05-08 Roger Sayle <roger@eyesopen.com>
5757 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5758 of a reg_equiv_constant if the result is a legitimate constant.
5760 2006-06-11 Roger Sayle <roger@eyesopen.com>
5763 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5764 extract a CONST_VECTOR element and interpret it as an integer.
5765 (vspltis_constant): Use const_vector_elt_as_int instead of the
5766 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5767 * config/rs6000/predicates.md (easy_vector_const): Consider
5768 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5770 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5773 * stor-layout.c (update_alignment_for_field): Don't add extra
5774 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5777 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5779 * config/mips/t-rtems: Add EL/EB multilib variants.
5781 2006-06-09 Mike Stump <mrs@apple.com>
5783 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5785 2006-06-09 David Daney <ddaney@avtrex.com>
5787 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5789 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5791 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5793 2006-06-09 Richard Guenther <rguenther@suse.de>
5795 PR tree-optimization/26998
5796 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5797 of signed types, only TYPE_MIN_VALUE is special, but for both,
5798 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5799 in this case, as is -fwrapv.
5801 2006-06-08 Mike Stump <mrs@apple.com>
5804 * config/darwin.c (darwin_asm_output_anchor): Disable
5805 -fsection-anchors on darwin for now.
5806 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5807 * rs6000/rs6000.c (optimization_options): Likewise.
5809 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5812 * config/i386/i386.c (classify_argument): Skip fields with invalid
5815 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5817 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5818 (cse_insn): Likewise for the stack_pointer_rtx.
5820 2006-06-08 Roger Sayle <roger@eyesopen.com>
5822 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5823 conditions from floating point comparisons.
5825 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5828 * expmed.c (struct alg_hash_entry): Fix type of field T
5829 to match synth_mult argument.
5830 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5832 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5835 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5838 2006-06-08 Richard Guenther <rguenther@suse.de>
5841 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5842 only, if overflow is defined and not trapping.
5843 (negate_expr): Likewise.
5845 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5847 PR tree-optimization/27872
5848 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5849 flag on the new exit edge of the unrolled loop.
5851 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5853 PR rtl-optimization/26449
5854 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5856 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5859 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5860 referenced_variables with matching DECL_UID's.
5861 (find_referenced_vars): Make sure duplicate list is empty to start.
5862 (referenced_var_p): Remove.
5863 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5864 Check if var is in the list, and add if needed. Update the duplicate
5865 list if a different var is in the list with the same DECL_UID.
5866 (add_referenced_var): Call routine to check and insert.
5867 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5868 * tree-flow.h (referenced_vars_dup_list): External declaration.
5870 2006-06-07 Fred Fish <fnf@specifix.com>
5872 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5875 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5878 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5879 the imaginary and real parts of a clobbered register.
5880 Emit insn to set the imaginary part.
5882 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5884 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5885 in lieu of unwind-dw2-fde.c.
5887 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5889 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5891 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5894 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5895 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5896 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5897 V4SImode temporaries and operations instead.
5899 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5901 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5904 2006-06-06 Mike Stump <mrs@apple.com>
5906 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5907 installing during build.
5909 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5911 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5913 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5914 * config/ia64/ia64.c (params.h): New header.
5915 (ia64_optimization_options): New function to adjust parameters.
5916 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5917 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5918 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5920 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5922 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5924 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5927 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5929 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5930 Victor Kaplansky <victork@il.ibm.com>
5932 PR tree-optimization/26360
5933 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5936 2006-06-04 Roger Sayle <roger@eyesopen.com>
5937 Andrew Pinski <pinskia@physics.uc.edu>
5940 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5941 for LABEL_DECL before calling DECL_WEAK.
5944 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5945 LABEL_DECL and PARM_DECL.
5947 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5951 * c-decl.c (grokdeclarator): Disallow variably modified types at
5952 file scope. Avoid marking shared array type of constant size as
5955 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5958 * c-common.c (fold_offsetof_1): Handle static members.
5960 2006-06-04 Eric Christopher <echristo@apple.com>
5962 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5963 (debug_rli): Output value for remaining_in_alignment.
5964 (update_alignment_for_field): Unconditionalize
5965 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5966 extra alignment code.
5967 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5968 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5969 * tree.h (record_layout_info_s): Remove prev_packed.
5970 * doc/extend.texi (ms_struct): Add documentation of format.
5972 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5974 * tree.h: Declare folding_initializer.
5975 * builtins.c (fold_builtin_constant_p): Give definite answer
5976 if folding inside an initializer.
5977 * fold-const.c: Define folding_initializer.
5978 (START_FOLD_INIT): Save and then set folding_initializer.
5979 (END_FOLD_INIT): Restore folding_initializer.
5981 2006-06-04 Richard Guenther <rguenther@suse.de>
5983 PR tree-optimization/27039
5984 * fold-const.c (fold_comparison): Handle pointer comparison
5985 again for all comparison codes. Compare offsets in signed
5987 (fold_binary): Move code from here.
5989 2006-06-03 Roger Sayle <roger@eyesopen.com>
5992 * config/i386/i386.c (construct_container): Split static issued_error
5993 flag into issued_sse_arg_error, issued_sse_ret_error and
5994 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5995 requires the use of x87 registers and the user explicitly
5996 specified the -mno-80387 command line option.
5998 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6000 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6001 HAVE_DECL_SIGALTSTACK.
6003 (segv_handler): Use MC_FLD.
6004 * configure.ac: Check for a sigaltstack declaration.
6005 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6006 * configure: Regenerate.
6007 * config.in: Regenerate.
6009 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6012 * Makefile.in (stmp-fixinc): Fix typo.
6014 2006-06-02 Roger Sayle <roger@eyesopen.com>
6016 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6017 are type correct. Clean-up.
6018 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6019 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6021 2006-06-01 DJ Delorie <dj@redhat.com>
6023 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6024 shift, as we've disabled the "switch" insn that needs it.
6026 2006-06-01 Per Bothner <bothner@bothner.com>
6028 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6029 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6030 * c-ppoutput.c (cb_define): Don't increment line 0.
6032 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6034 * doc/invoke.texi: Add cpu_type power6.
6035 * config.gcc: Add cpu_type power6.
6036 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6037 to power5+ with Altivec.
6038 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6039 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6041 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6043 * config/avr/avr.h (SET_ASM_OP): Define.
6045 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6047 * config/bfin/bfin.c: Fix comment typos.
6049 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6052 * doc/install.texi: Document --enable-bootstrap and
6053 --disable-bootstrap.
6055 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6057 * doc/install.texi: Document that InfoZIP can replace jar.
6059 2006-05-31 Roger Sayle <roger@eyesopen.com>
6061 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6062 isn't available, directly generate the simpler x87 patterns without
6063 the (use (const_int 0)).
6064 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6065 implementation isn't available.
6066 (*negdf2_1): Likewise.
6067 (*negxf2_1): XF mode negation is always done using the x87.
6068 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6070 2006-05-31 Roger Sayle <roger@eyesopen.com>
6072 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6073 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6075 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6077 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6079 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6080 * config/bfin/bfin.c (basic-block.h): Include.
6081 (struct machine_function): New.
6082 (bfin_init_machine_status): New.
6083 (override_options): Initialize init_machine_status.
6084 (bfin_hardware_loop): New.
6085 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6086 (DEF_VEC_P (loop_info)): New.
6087 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6088 (struct loop_info): New.
6089 (loop_info): New typedef.
6090 (struct loop_work): New.
6091 (loop_work): New typedef.
6092 (DEF_VEC_O (loop_work)): New.
6093 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6094 (bfin_dump_loops): New.
6095 (bfin_bb_in_loop): New.
6096 (bfin_scan_loop): New.
6097 (bfin_optimize_loop): New.
6098 (bfin_reorg_loops): New.
6099 (bfin_reorg): Use bfin_reorg_loops.
6100 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6102 (I_REGNO_P): Simplify.
6103 (DP_REGNO_P, DPREG_P): New macros.
6104 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6105 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6106 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6107 Add LT_REGS, LC_REGS, LB_REGS.
6108 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6110 (REGNO_REG_CLASS): Deal with loop registers.
6111 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6113 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6114 New constants for loop registers.
6115 (UNSPEC_LSETUP_END): New.
6116 (seq_insns): New define_attr. Set it for appropriate insns.
6117 (movsi_insn): Add alternatives for move from/to
6118 loop count registers.
6119 (doloop_end): New define_expand.
6120 (loop_end): New define_insn.
6121 (define_split for bad doloop_end): New.
6122 (lsetup_with_autoinit): New define_insn.
6123 (lsetup_without_autoinit): New define_insn.
6124 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6125 * config/bfin/predicates.md (lc_register_operand): New.
6126 (lt_register_operand): New.
6127 (lb_register_operand): New.
6128 (nondp_register_operand): New.
6129 (nondp_reg_or_memory_operand): New.
6130 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6132 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6134 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6135 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6137 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6139 * Makefile.in (CATALOGS): Add po/ prefix.
6140 * configure: Regenerated.
6142 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6145 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6146 a shift operand before calling shift_op. Avoid redundant call of
6149 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6150 DJ Delorie <dj@redhat.com>
6152 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6153 we're inserting is a singlt-bit constant.
6155 2006-05-30 Roger Sayle <roger@eyesopen.com>
6157 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6158 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6160 2006-05-30 Roger Sayle <roger@eyesopen.com>
6162 PR tree-optimization/23452
6163 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6164 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6165 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6166 complex values and with -ffast-math for FP complex values.
6168 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6170 * c-common.h: Remove the prototype for yyparse.
6171 * rtl.h: Remove the prototype for init_loop.
6173 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6175 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6178 2006-05-30 Roger Sayle <roger@eyesopen.com>
6180 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6182 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6183 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6185 2006-05-30 Dirk Mueller <dmueller@suse.de>
6188 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6189 for CONSTANT_CLASS_P expresisons.
6191 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6194 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6196 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6198 PR tree-optimization/27779
6199 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6200 initial_condition instead of CHREC_LEFT.
6202 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6204 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6205 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6206 Make prototypes ISO C90.
6208 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6209 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6211 * see.c (see_analyze_one_def): Correct check.
6212 (see_get_extension_data): Check if extension is parallel.
6213 (see_get_extension_reg): Likewise.
6215 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6218 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6219 into register for (code == GTU).
6221 2006-05-29 Roger Sayle <roger@eyesopen.com>
6223 PR tree-optimization/24964
6224 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6225 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6226 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6227 abs(x)*abs(x) as x*x for scalar floating point modes.
6229 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6232 * lambda-code.c (perfect_nestify): Don't copy statements
6233 in the inner loop: move them to the inner loop header.
6235 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6238 * c-tree.texi: Document OpenMP directives and clauses.
6240 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6242 * varasm.c (globalize_decl): Fix indentation.
6244 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6247 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6248 pass_fre, pass_store_ccp, pass_copy_prop,
6249 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6250 pass_return_slot, pass_object_size, pass_lim,
6251 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6252 pass_loop_prefetch and pass_stdarg.
6254 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6256 * config/bfin/bfin.opt (mfdpic): New option.
6257 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6258 (EXTRA_MULTILIB_PARTS): Likewise.
6259 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6260 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6262 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6263 (CRT_CALL_STATIC_FUNCTION): New.
6264 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6266 (CRT_CALL_STATIC_FUNCTION): New.
6267 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6269 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6270 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6271 (initialize_trampoline): Changed to handle FD-PIC code generation.
6272 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6273 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6274 (override_options): Disallow -mid-shared-library -mfdpic combination.
6275 Can't do unaligned ops if FD-PIC.
6276 Turn off flag_pic if trying to generate non-id-shared-library
6277 non-fdpic code, since it's not supported.
6278 (bfin_assemble_integer): New function.
6279 (TARGET_ASM_INTEGER): Define.
6280 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6282 * config/bfin/crtn.s: Restore them.
6283 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6285 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6286 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6287 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6288 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6289 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6291 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6292 FDPIC_REGS and FDPIC_FPTR_REGS.
6293 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6294 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6295 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6296 (load_funcdescsi): New pattern.
6297 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6298 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6299 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6301 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6303 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6306 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6308 * tree-flow.h: Remove the prototype for add_type_alias.
6309 * tree-ssa-alias.c (add_type_alias): Remove.
6311 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6313 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6314 config/fr30/fr30.md, config/i386/i386-interix.h,
6315 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6316 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6317 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6318 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6319 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6320 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6321 Follow spelling conventions.
6322 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6323 Follow spelling conventions.
6325 2006-05-27 Richard Guenther <rguenther@suse.de>
6328 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6329 to produce a constant of value 1 of generic type.
6331 2006-05-27 Dirk Mueller <dmueller@suse.de>
6333 * cgraphunit.c (decide_is_function_needed): Fix wrong
6336 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6338 PR rtl-optimization/27661
6339 * reload.c (find_reloads): When reloading a VOIDmode constant
6340 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6341 use Pmode as mode of the reload register.
6343 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6345 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6346 is enabled at -O and above.
6348 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6351 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6354 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6357 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6358 for anonymous variables explicitly declared by front ends.
6360 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6362 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6363 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6364 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6365 ref-all pointers, run a finalization pass for them.
6366 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6367 (finalize_ref_all_pointers): New function.
6368 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6369 regular pointer type to a ref-all pointer type.
6370 (get_tmt_for): Return the special memory tag for ref-all pointers.
6372 2006-05-25 Richard Guenther <rguenther@suse.de>
6375 * fold-const.c (fold_binary): Do not look at the stripped
6376 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6378 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6380 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6381 for LT and GT if the computed range is effectively empty.
6383 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6386 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6387 mips_quad_format formats instead of ieee_single_format,
6388 ieee_double_format and ieee_quad_format formats, respectively.
6390 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6392 PR tree-optimization/27639
6393 PR tree-optimization/26719
6394 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6395 call to scev_probably_wraps_p.
6396 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6397 used_in_pointer_arithmetic_p, convert_step): Removed.
6398 (nowrap_type_p): New function.
6399 (scev_probably_wraps_p): Rewritten.
6400 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6401 chrec_convert if chrec_convert_aggressive might have been used.
6402 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6403 scev_direction): New functions.
6404 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6405 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6406 instead of convert_step.
6407 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6408 (convert_step): Declaration removed.
6409 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6411 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6413 * df-core.c: Added to header comments.
6414 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6415 df_ur_bb_info, df_urec_bb_info): Added comments.
6416 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6417 urec, ri problems): Fixed header comments.
6418 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6419 code from df_rd_transfer_function.
6421 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6423 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6424 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6425 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6427 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6429 * expr.c (undefined_operand_subword_p): New.
6430 (emit_move_multi_word): Do not generate move from undefined bits
6431 of a paradoxical subreg.
6433 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6435 PR rtl-optimization/27736
6436 * combine.c (replaced_rhs_value): New variable.
6437 (combine_instructions): Set it.
6438 (distribute_notes): When distributing a note in replaced_rhs_insn,
6439 check whether the value was used in replaced_rhs_value.
6441 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6444 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6445 add_referenced_var instead of add_referenced_tmp_var.
6446 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6447 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6449 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6450 tree_optimize_tail_calls_1): Use add_referenced_var.
6451 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6452 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6453 Use add_referenced_var.
6454 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6455 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6456 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6457 Use add_referenced_var.
6458 * tree-dfa.c (struct walk_state): Remove.
6459 (find_referenced_vars): Remove walk state and vars_found hash table.
6460 (make_rename_temp): Use add_referenced_var.
6461 (find_vars_r): Pass less parameters to add_referenced_var.
6462 (referenced_var_p): New. Is var in referenced_var hash table.
6463 (referenced_var_insert): Assert var isn't already in hash table.
6464 (add_referenced_var): Don't need walk_state parameter. Add var if it
6465 isn't already in the hash table.
6466 (add_referenced_tmp_var): Remove.
6467 (find_new_referenced_vars_1): Use add_referenced_var.
6468 * tree-ssa-pre.c (create_expression_by_pieces,
6469 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6470 Use add_referenced_var.
6471 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6472 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6473 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6475 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6476 vect_create_data_ref_ptr, vect_create_destination_var,
6477 vect_init_vector, vect_build_loop_niters,
6478 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6479 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6480 Use add_referenced_var.
6481 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6482 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6483 (add_referenced_var): Add prototype.
6484 * tree-ssa-structalias.c (get_constraint_for,
6485 intra_create_variable_infos): Use add_referenced_var.
6487 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6489 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6490 big-endian paradoxical subregs.
6491 * var-tracking.c (struct micro_operation_def): Document that,
6492 for modify micro operations, insn is the subsequent instruction.
6493 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6494 (var_reg_set, var_mem_set): ... new functions.
6495 (add_stores): Record subsequent insn.
6496 (compute_bb_dataflow): Use new functions for MO_USE.
6497 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6498 notes after the insn, and modify notes before the insn known
6499 to be the subsequent one.
6500 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6502 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6505 * config/i386/i386.c (ix86_expand_builtin): Use
6506 gen_sse3_monitor64 for TARGET_64BIT.
6508 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6510 PR rtl-optimization/26375
6511 PR rtl-optimization/26855
6512 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6514 (df_ru_bb_local_compute): Reversed statements and removed bogus
6515 comment explaining why they should be in wrong order.
6516 (df_ru_dump, df_rd_dump): Enhanced debug info.
6517 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6519 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6520 reaching uses and fixed space problem.
6522 2006-05-23 Jan Hubicka <jh@suse.cz>
6524 * cgraphunit.c (decide_is_function_needed): Also nested functions
6525 and functions declared inline can be optimized out at -O0.
6527 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6529 * doc/install.texi (Configuration): Remove reference to CrossGCC
6533 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6536 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6537 ix86_compare_emitted is non-NULL.
6539 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6542 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6545 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6547 PR rtl-optimization/25514
6548 * combine.c (replaced_rhs_insn): New variable.
6549 (combine_instructions): Set replaced_rhs_insn when trying to replace
6550 a SET_SRC with a REG_EQUAL note.
6551 (distribute_notes): Use replaced_rhs_insn when determining the live
6552 range of a REG_DEAD register.
6554 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6555 Anatoly Sokolov <aesok@post.ru>
6557 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6558 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6559 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6560 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6561 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6562 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6563 at90usb647, at90usb1286 and at90usb1287 devices.
6564 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6565 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6567 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6569 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6571 2006-05-22 Richard Guenther <rguenther@suse.de>
6574 2006-01-31 Richard Guenther <rguenther@suse.de>
6575 Paolo Bonzini <bonzini@gnu.org>
6577 * doc/install.texi (--disable-libgcc-math): Document.
6579 2006-05-22 Richard Guenther <rguenther@suse.de>
6582 2006-01-31 Richard Guenther <rguenther@suse.de>
6584 * doc/invoke.texi (-msselibm): Document.
6585 * target.h (expand_library_builtin): New target hook.
6586 * builtins.c (expand_builtin): Use expand_library_builtin.
6587 (default_expand_library_builtin): New function.
6588 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6589 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6590 (link_gcc_math_spec): Declare.
6591 (static_specs): Add link_gcc_math_spec.
6592 * expr.h (default_expand_library_builtin): Declare.
6593 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6594 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6595 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6596 * config/i386/i386.opt (msselibm): New target option.
6597 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6598 (ix86_init_sse_abi_builtins): New function.
6599 (ix86_expand_library_builtin): Likewise.
6600 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6601 (override_options): Handle error conditions wrt -msselibm.
6602 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6603 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6604 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6607 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6610 * c-common.c (self_promoting_args_p): Skip erroneous args.
6613 * c-decl.c (finish_struct): Skip erroneous fields.
6615 2006-05-22 Nick Clifton <nickc@redhat.com>
6617 * config/cris/cris.opt (march): Remove VarExists attribute.
6618 (max-stackframe=): Likewise.
6620 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6622 * doc/rtl.texi: Fix a typo.
6623 * see.c: Fix comment typos.
6625 * tree-ssa-structalias.h (alias_info): Remove num_references.
6627 2006-05-21 Mike Stump <mrs@apple.com>
6629 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6631 (darwin_pragma_options): Use BAD instead.
6632 (darwin_pragma_unused): Likewise.
6633 (darwin_pragma_ms_struct): Likewise.
6635 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6637 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6639 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6641 PR rtl-optimization/27671
6642 * simplify-rtx.c (simplify_relational_operation_1): Fix
6643 simplifications of (eq/ne (xor x y) y) and
6644 (eq/ne (xor x y) x).
6646 PR tree-optimization/26622.
6647 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6650 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6652 * tree-cfg.c: Prune whitespace.
6653 (debug_tree_cfg): Point to correct header containing the
6656 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6659 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6661 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6664 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6665 or sorry count is non zero.
6667 2006-05-20 Andreas Schwab <schwab@suse.de>
6669 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6671 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6672 Kenneth Zadeck <zadeck@naturalbridge.com>
6674 PR rtl-optimization/26855
6676 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6678 (df_scan_alloc): Added code to properly handle multiword hard
6679 registers and add all_blocks parameter.
6680 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6681 code to properly handle multiword hard registers.
6682 (df_rescan_blocks): Added code to remove deleted blocks from
6684 (df_ref_create_structure, df_ref_record): Added code to properly
6686 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6687 and set DF_REF_PARTIAL.
6688 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6689 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6690 (df_scan_add_problem): Added flags parameter.
6691 (df_ref_create_structure): Changed switching structure.
6692 (df_bb_refs_record): Fixed case where duplicate artificial refs
6693 were created. Changed location of flags.
6694 (df_record_entry_block_defs): Added code to make stack pointer
6695 live in entry block. Refined cases where frame pointer is needed.
6696 Changed location of flags.
6697 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6698 (df_set_state): Removed function.
6699 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6700 df_insn_create_insn_record, df_insn_refs_delete,
6701 df_ref_create_structure): Formatting changes.
6702 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6703 df_delete_basic_block): New function.
6704 (df_init): Changed location of flags.
6705 (df_add_problem): Added flags parameter and the way flags are
6707 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6708 debug_df_chain): Improved debugging output.
6709 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6710 (df_refs_chain_dump): Removed df parameter.
6711 (df_iterative_dataflow): Added consistency check.
6712 (df_prune_to_subcfg): Made public.
6713 (df_analyze_problem): Added blocks_to_init parameter and made
6715 (df_ref_record, df_bb_refs_record, df_mark_reg,
6716 df_record_exit_block_uses): Whitespace changes.
6717 (df_dump): Whitespace changes.
6718 * df.h: Some reordering to remove forward references.
6719 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6720 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6721 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6722 (dataflow.flags): New field.
6723 (df.flag): Deleted field.
6724 (df_alloc_function): Added additional bitmap parameter.
6725 (df_dependent_problem_function): New type.
6726 (df_problem.changeable_flags): New field.
6727 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6728 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6729 (df_mw_hardreg): New struct.
6730 (DF_INSN_UID_MWS): New macro.
6731 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6733 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6734 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6735 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6736 (df_set_state): Removed function.
6737 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6738 * df-problems.c (df_chain_dump): Removed df parameter.
6739 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6740 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6742 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6743 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6744 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6745 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6746 DF_REF_MUST_CLOBBER cases.
6747 (df_ru_bb_local_compute_process_def,
6748 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6749 df_lr_bb_local_compute, df_ur_bb_local_compute,
6750 df_chain_create_bb): Made subreg aware.
6751 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6752 df_lr_bb_local_compute, df_lr_bb_local_compute,
6753 df_chain_create_bb): Cleanup to use proper macros.
6754 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6755 code to fixup bitvectors.
6756 (df_ri_alloc): Cleared lifetime.
6757 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6758 df_create_unused_note): New function.
6759 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6760 REG_DEAD and REG_UNUSED notes as well as register information.
6761 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6762 df_chains_dump): Fixed crash if problem was never run.
6763 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6764 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6765 df_ri_add_problem): Processes flags in uniform manner.
6766 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6767 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6768 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6769 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6770 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6771 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6772 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6773 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6774 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6775 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6776 * see.c (see_initialize_data): Ditto.
6777 * final.c (rest_of_clean_state) Added regstack_completed.
6778 * rtl.h (regstack_completed): Ditto.
6779 * reg-stack.c (regstack_completed): Ditto.
6781 2006-05-19 Mike Stump <mrs@apple.com>
6783 * c-tree.h (default_conversion): Remove.
6784 * c-common.h (default_conversion): Add.
6786 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6788 * tree-vrp.c (valid_value_p): New function.
6789 (adjust_range_with_scev): Fail if the value of bound is not
6792 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6794 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6795 (mips_fallback_frame_state): Use syscall numbers to determine
6796 the appropriate li instruction for the current ABI. Only use
6797 __NR_sigreturn for o32.
6799 2006-05-19 Nicolas Setton <setton@adacore.com>
6801 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6802 * langhooks.c (lhd_dwarf_name): New function.
6803 * langhooks-def.h (lhd_dwarf_name): Declare.
6804 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6805 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6806 * ada/misc.c (gnat_dwarf_name): New function.
6807 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6809 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6811 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6813 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6814 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6815 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6816 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6817 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6818 determine the size of Wtype, etc.
6819 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6820 (swfloatfuncs): New variable.
6821 (dwfloatfuncs): Likewise.
6822 (lib2funcs): Remove floating-point conversion functions from
6823 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6824 the set of conversion routines needed. Allow entries to specify
6825 an object name, filename and word size. Update users accordingly.
6826 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6827 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6831 2006-02-08 Roger Sayle <roger@eyesopen.com>
6834 * config/fixtfdi.c: New libgcc source file.
6835 * config/fixunstfdi.c: New source file.
6836 * config/floatditf.c: New source file.
6837 * config/floatunditf.c: New souce file.
6838 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6839 files above instead of config/mips/_tilib.c.
6840 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6842 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6844 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6845 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6847 2006-05-18 Mike Stump <mrs@apple.com>
6849 Fix up vla, vm and [*] sematics.
6855 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6856 (c_vla_unspec_p): Add.
6857 (c_vla_type_p): Add.
6858 * c-decl.c (struct c_scope): Add had_vla_unspec.
6859 (build_array_declarator): Add support for [*].
6860 (grokdeclarator): Likewise.
6861 (grokparms): Likewise.
6862 (get_parm_info): Likewise.
6863 * c-objc-common.c (c_vla_unspec_p): Likewise.
6864 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6865 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6866 typeof when argument is a variably modified type not inside sizeof or alignof.
6867 (c_parser_direct_declarator_inner): Propagate errors.
6868 (c_parser_sizeof_expression): Add support for [*].
6869 (c_parser_parms_declarator): Initialize had_vla_unspec.
6870 (c_parser_parms_list_declarator): Likewise.
6871 * c-typeck.c (c_vla_type_p): Add.
6872 (composite_type): Add support for vla compositing.
6873 (comptypes_internal): Add support for vla compatibility.
6874 (c_expr_sizeof_expr): Evaluate vla arguments.
6875 * tree.c (variably_modified_type_p): Update comment for [*].
6877 2006-05-18 Michael Matz <matz@suse.de>
6880 * config.host: Make assignments to host_xmake_file cumulative.
6881 * config.host (*-darwin*): Test $host, not $target.
6883 2006-05-12 Stuart Hastings <stuart@apple.com>
6885 * config/i386/i386.opt (-mstackrealign): New flag.
6886 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6887 (ix86_handle_cconv_attribute): Emit error when
6888 force_align_arg_pointer attribute collides with too many regparms.
6889 (ix86_function_regparm): Limit regparms when used with
6890 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6891 Support stack-realigning prologue in non-main functions. Emit
6892 warning for nested functions under -mstackrealign, emit error for
6893 nested functions with force_align_arg_pointer attribute.
6894 * doc/extend.texi (force_align_arg_pointer): Document it.
6895 * doc/invoke.texi (-mstackrealign): Document it.
6897 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6899 PR rtl-optimization/27477
6900 * combine.c (try_combine): Don't split a parallel consisting
6901 of two sets into two individual sets if both sets reference
6904 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6906 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6907 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6909 * doc/options.texi (VarExists): Updated.
6911 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6913 * unwind-dw2.c: Add declarations for uw_update_context and
6915 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6916 detected, advance frame state and context once to skip over stub.
6918 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6922 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6923 Call rewrite_into_loop_closed_ssa only when something changed.
6924 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6925 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6926 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6927 Test for perfect_nest_p here. Fix formating.
6928 (replace_uses_equiv_to_x_with_y): Fix formating.
6929 (stmt_uses_op): Removed.
6930 (can_convert_to_perfect_nest): Removed loopivs parameter.
6931 Complete the test by checking the scalar dependences.
6932 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6935 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6938 From Dan Kegel <dank@kegel.com>:
6939 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6941 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6943 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6944 if the element type is variably modified without recursing.
6946 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6949 * tree-loop-linear.c (try_interchange_loops): Test for
6950 no data dependences.
6952 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6954 PR tree-optimization/27548
6955 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6956 range of ssa names that appear on abnormal edges.
6957 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6958 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6960 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6963 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6965 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6968 * tree.h (OMP_PARALLEL_COMBINED): Define.
6969 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6970 (new_omp_context): Add is_combined_parallel argument.
6971 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6972 new_omp_context caller.
6973 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6974 Adjust gimplify_scan_omp_clauses callers.
6975 (omp_is_private): Issue errors if iteration variable is firstprivate
6976 or reduction in the current context.
6977 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6978 on combined parallel workshare constructs.
6980 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6982 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6983 (gcc-options.o): New rule.
6985 * optc-gen.awk: Protect variables for gcc-options.o with
6986 #ifdef GCC_DRIVER/#endif.
6988 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6990 Fix PR tree-optimization/27373
6991 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6992 (forward_propagate_addr_expr): Update call.
6994 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6996 * doc/options.texi: Move the Negative option.
6998 2006-05-16 Richard Guenther <rguenther@suse.de>
7000 PR tree-optimization/22303
7001 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7003 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7004 ccp_fold did not simplify the statement.
7006 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7009 * Makefile.in (GCC_OBJS): New.
7010 (OBJS-common): Add opts-common.o.
7011 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7012 (cpp$(exeext)): Likewise.
7013 (gcc.o): Also depend on opts.h.
7014 (opts-common.o): New.
7016 * common.opt (gcoff): Add Negative(gdwarf-2).
7017 (gdwarf-2): Add Negative(gstabs).
7018 (gstabs): Add Negative(gstabs+).
7019 (gstabs+): Add Negative(gvms).
7020 (gvms): Add Negative(gxcoff).
7021 (gxcoff): Add Negative(gxcoff+).
7022 (gxcoff+): Add Negative(gcoff).
7023 * config/i386/i386.opt (m32): Add Negative(m64).
7024 (m64): Add Negative(m32).
7026 * doc/options.texi: Document the Negative option.
7028 * gcc.c: Include "opts.h".
7029 (main): Call prune_options after expandargv.
7031 * optc-gen.awk: Generate common declarations for all flag
7032 variables in options.c. Output the neg_index field.
7034 * opts.c (find_opt): Moved to ...
7035 * opts-common.c: Here. New file.
7037 * opts.h (cl_option): Add a neg_index field.
7039 (prune_options): Likewise.
7041 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7044 * omp-low.c (expand_omp_parallel): Don't assert
7045 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7046 instead search for it.
7049 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7052 2006-05-16 Andreas Schwab <schwab@suse.de>
7054 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7057 2006-05-15 Roger Sayle <roger@eyesopen.com>
7060 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7061 integer constants other than zero are only legitimate on TARGET_64BIT.
7062 <CONST_VECTOR> Only zero vectors are legitimate.
7063 (ix86_cannot_force_const_mem): Integral and vector constants can
7064 always be put in the constant pool.
7066 2006-05-16 DJ Delorie <dj@redhat.com>
7068 * crtstuff.c (__dso_handle): Set section from
7069 TARGET_LBIGCC_SDATA_SECTION if defined.
7070 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7071 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7073 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7076 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7079 2006-05-16 Ben Elliston <bje@au.ibm.com>
7081 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7083 2006-05-15 Per Bothner <per@bothner.com>
7085 * tree.c: (last_annotated_node): Use source_locus typedef.
7086 This permits bootstrapping with --enable-mapped-location.
7088 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7090 PR tree-optimization/26830
7091 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7092 (info_for_ssa_name, current_info_for_ssa_name_age,
7093 blocks_to_update): New variables.
7094 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7095 (clear_ssa_name_info, initialize_flags_in_bb,
7096 mark_block_for_update): New functions.
7097 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7098 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7099 prepare_def_site_for): Use mark_block_for_update.
7100 (mark_def_interesting): Assert that the processed block is marked in
7101 blocks_to_update. Do not take blocks argument.
7102 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7104 (rewrite_update_init_block, rewrite_update_stmt): Only process
7105 blocks with statements to rewrite.
7106 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7107 (update_ssa): Initialize and free blocks_to_update. Do not
7108 clear flags on statements. Do not use blocks bitmap.
7109 * tree.h (SSA_NAME_AUX): Removed.
7110 (struct tree_ssa_name): Removed aux field.
7111 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7113 2006-05-15 Richard Guenther <rguenther@suse.de>
7115 PR tree-optimization/27603
7116 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7117 Do computations in original type.
7119 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7121 * see.c: Code style changes such as redundant paranthesis,
7122 redundant intialization of local variables etc.
7123 (see_main): Declared now as static.
7124 * doc/invoke.texi: Update that -fsee is not enabled by
7127 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7129 * omp-low.c (check_omp_nesting_restrictions): New function.
7130 (scan_omp_1): Call it.
7133 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7134 construct, return *VAR.
7136 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7138 PR rtl-optimization/27406
7139 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7142 2006-05-14 Roger Sayle <roger@eyesopen.com>
7144 PR rtl-optimization/27538
7145 * combine.c (expand_compound_operation): Call gen_lowpart
7146 before calling simplify_shift_const.
7148 2006-05-14 Roger Sayle <roger@eyesopen.com>
7150 PR rtl-optimization/22563
7151 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7152 a fixed width bitfield, always force the intermediates into psuedos.
7154 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7157 * mkconfig.sh: Use operator = instead of == for test.
7159 2006-05-13 Nick Clifton <nickc@redhat.com>
7161 * dwarf2out.c (dbx_reg_number): Check return value from
7162 LEAF_REG_REMAP and only use it if it is valid.
7163 (multiple_reg_loc_descriptor): Likewise.
7165 2006-05-13 Richard Guenther <rguenther@suse.de>
7167 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7170 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7172 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7173 information attached to non-INSNs such as NOTEs.
7174 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7176 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7178 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7180 * config/s390/s390.md: Adjust comment describing On constraint.
7182 2006-05-11 Jan Hubicka <jh@suse.cz>
7184 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7185 to be output at -O0.
7187 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7190 * fold-const.c (size_binop): Move sanity check for arguments to
7191 the beginning of the function.
7194 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7197 2006-05-11 Richard Guenther <rguenther@suse.de>
7200 * fold-const.c (fold_unary): Handle intermediate conversion
7201 to a pointer type like intermediate conversion to an integer
7202 type in folding of (T1)(T2)var to var.
7203 Match the code to the comment in the final conversion for
7204 (T1)(T2)var to (T1)var regarding to type precision. Rather
7205 than disallow T1 being of pointer type, assert that both T1
7206 and var are of pointer type or not. Make sure not to fall
7207 over the frontends lazyness wrt array to pointer decay though.
7209 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7211 * arm.c (arm_struct_value_rtx): Delete.
7212 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7213 (arm_init_cumulative_args): Always initialize nregs to zero.
7215 2006-05-10 Richard Guenther <rguenther@suse.de>
7217 PR tree-optimization/27532
7218 * tree-object-size.c (plus_expr_object_size): Fix typo.
7220 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7223 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7224 ashrdi_const, ashrdi3): Use a scratch register.
7226 2006-05-10 Richard Guenther <rguenther@suse.de>
7228 PR tree-optimization/27302
7229 * fold-const.c (operand_equal_p): For two comparisons,
7230 try comparison of one comparison code swapped if that yields
7233 2006-05-10 Ben Elliston <bje@au.ibm.com>
7235 * tree-pretty-print.c (pretty_print_string): No need to handle
7236 '\0' as a special character.
7238 * tree.h: Include "hashtab.h".
7239 (iterative_hash_expr): Use hashval_t in its prototype.
7240 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7242 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7245 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7246 (hppa*64*-*-hpux11*): Ditto.
7247 (hppa[12]*-*-hpux11*): Ditto.
7249 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7252 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7254 2006-05-09 Michael Matz <matz@suse.de>
7256 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7257 host_extra_gcc_objs and host_xmake_file.
7258 (<*-*-linux*>): Don't overwrite host_xmake_file.
7259 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7260 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7261 (host_detect_local_cpu): Declare.
7262 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7263 * config/i386/i386.c (override_options): Handle -mtune=native
7265 * config/i386/x-i386: New file.
7266 * config/i386/driver-i386.c: New file.
7267 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7270 2006-05-09 Dirk Mueller <dmueller@suse.de>
7271 Richard Guenther <rguenther@suse.de>
7274 * fold-const.c (fold_read_from_constant_string): Relax check
7275 for matching types to matching modes.
7277 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7279 PR rtl-optimization/27335
7280 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7283 2006-05-08 Chao-ying Fu <fu@mips.com>
7284 Richard Sandiford <richard@codesourcery.com>
7286 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7287 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7288 * config/mips/mips.md (UNSPEC_SCC): New constant.
7289 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7290 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7291 (mips_emit_compare): Use it.
7292 (mips_expand_vcondv2sf): New function.
7294 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7296 Fix PR tree-optimization/27093
7297 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7298 renaming when they become not-used_alone.
7300 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7302 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7303 relocation and relocation stubs.
7305 2006-05-08 Eric Christopher <echristo@apple.com>
7307 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7310 2006-05-08 Jan Hubicka <jh@suse.cz>
7313 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7314 unused static functions are needed.
7316 2006-05-08 Roger Sayle <roger@eyesopen.com>
7319 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7320 of a reg_equiv_constant if the result is a legitimate constant.
7322 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7325 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7326 standard 80387 constants, raise the cost to prevent
7327 compress_float_constant() to generate load from memory.
7329 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7331 * config/arm/constraints.md (c): Fix a typo.
7333 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7336 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7339 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7341 (_mm_mwait): Likewise.
7343 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7345 (sse3_monitor): Make it 32bit only.
7346 (sse3_monitor64): New. 64bit monitor.
7348 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7351 * config/i386/i386.c (classify_argument): Skip fields with invalid
7354 2006-05-07 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/27409
7357 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7358 Do not try to find zero-sized subvars.
7360 2006-05-07 Richard Guenther <rguenther@suse.de>
7362 PR tree-optimization/27136
7363 * tree-ssa-loop-niter.c (get_val_for): Correct function
7364 comment, assert requirements.
7365 (loop_niter_by_eval): Stop processing if the iterated
7366 value did not simplify.
7368 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7370 * opts.c (flag_see): remove its setting at -O3.
7372 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7374 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7375 * arm/constraints.md: New file.
7376 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7377 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7378 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7379 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7380 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7381 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7382 * arm.md: Include constraints.md.
7383 (thumb_movsi_insn): Use satisfies_constraint_J.
7384 (movhi, movqi): Use satisfies_constraint_I.
7386 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7388 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7389 for atmeg a645 device.
7391 2006-05-06 Richard Guenther <rguenther@suse.de>
7393 PR tree-optimization/27151
7394 * tree-vect-transform.c (vectorizable_condition): Punt on
7395 values that have a different type than the condition.
7397 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7400 * c-parser.c (c_parser_cast_expression): Only insert casts into
7401 hash table if pointer.
7402 * function.c (used_types_insert_helper): Rename from
7404 (used_types_insert): Call used_types_insert_helper.
7405 * function.h (used_types_insert): Accept only one argument.
7407 2006-05-05 David Edelsohn <edesohn@gnu.org>
7409 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7410 scratch with output modifier.
7412 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7415 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7416 with output modifier.
7418 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7421 * config/mips/mips.c (mips_symbolic_address_p): Return true
7422 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7423 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7425 2006-05-04 Richard Guenther <rguenther@suse.de>
7427 PR tree-optimization/14287
7428 PR tree-optimization/14844
7429 PR tree-optimization/19792
7430 PR tree-optimization/21608
7431 PR tree-optimization/27090
7432 * tree-ssa-pre.c (try_combine_conversion): New function.
7433 (compute_avail): After constructing the value-handle
7434 expression, use try_combine_conversion to combine NOP_EXPRs
7435 with previous value-handle expressions and use the result if it
7438 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7440 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7442 2006-05-04 Jan Hubicka <jh@suse.cz>
7445 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7447 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7449 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7450 that this only matches CONST_INTs. All users changed to VOIDmode
7453 * config/bfin/bfin.c: Include "optabs.h".
7454 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7456 (enum bfin_builtins): Add a number of fractional and vector builtins.
7457 (bfin_init_builtins): Likewise.
7458 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7459 (safe_vector_operand, bfin_expand_binop_builtin,
7460 bfin_expand_unop_builtin): New functions.
7461 (bfin_expand_builtin): Handle the new builtins.
7462 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7465 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7468 * Makefile.in (OBJS-common): Add see.o.
7469 (see.o): Add dependencies.
7470 * common.opt (fsee): New flag for the see optimization was added.
7471 * opts.c (flag_see): Initialized.
7472 * passes.c (init_optimization_passes, pass_see): New pass.
7473 * rtl.h (see_main): Declaration as extern.
7474 * timevar.def (TV_SEE): New.
7475 * tree-pass.h (pass_see): Declaration as extern.
7476 * invoke.texi (-fsee): Document.
7477 * recog.c (validate_simplify_insn): New function.
7478 * recog.h (validate_simplify_insn): Declaration as extern.
7479 * df-problems.c (df_chain_dump): Check for NULL.
7481 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7482 Daniel Berlin <dberlin@dberlin.org>
7484 * cfgrtl.c (insert_insn_bb_end_new): New function.
7485 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7487 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7489 * df.h (struct web_entry): Moved from web.c.
7490 (union_defs): Declaration as extern.
7491 (unionfind_root): Likewise.
7492 (unionfind_union): Likewise.
7493 * web.c (struct web_entry): Moved to df.h.
7494 (unionfind_root): Remove static declaration.
7495 (unionfind_union): Likewise.
7496 (union_defs): Likewise and generalize to use callback function.
7497 (web_main): Update arguments for union_defs function call.
7499 2006-05-04 Richard Guenther <rguenther@suse.de>
7501 PR tree-optimization/26447
7502 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7503 produce SSA_NAME copies before the store stmt to avoid
7504 breaking exception handling.
7506 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7509 * gimplify.c (omp_is_private): If var is shared in some outer context,
7510 return false instead of true. Stop searching on parallel context
7513 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7516 * coverage.c: Use get_gcov_unsigned_t() instead of
7517 unsigned_type_node all over.
7519 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7521 PR tree-optimization/27381
7522 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7523 maintain the same immediate_use links.
7524 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7525 node rather than segfaulting.
7527 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7530 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7531 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7532 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7534 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7536 Fix PR tree-optimization/26626
7537 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7539 * tree-ssa-operands.c (access_can_touch_variable): Allow
7540 typecasting through union pointers.
7542 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7545 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7546 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7547 to find if var will be a global variable even in the nested context.
7548 (omp_copy_decl): Only check for global variable at the end, it might
7549 be overridden in outer contexts.
7550 (scan_sharing_clauses): For global variables don't create a field.
7551 (lower_rec_input_clauses): Do nothing for global shared variables.
7552 Emit a barrier at the end of ILIST if there were any decls in both
7553 firstprivate and lastprivate clauses.
7554 (lower_send_clauses): Do nothing for global variables except for
7557 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7559 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7560 of the correct signedness is returned.
7562 2006-05-02 Jeff Law <law@redhat.com>
7564 PR tree-optimization/27364
7565 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7566 multiply expressions.
7568 2006-05-02 Tom Tromey <tromey@redhat.com>
7570 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7572 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7575 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7576 -mthumb -fPIC are used.
7578 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7579 Joshua Kinard <kumba@gentoo.org>
7582 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7583 with 64-bit pointers.
7585 2006-05-02 Paul Brook <paul@codesourcery.com>
7587 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7589 (create_fix_barrier): Check that a suitable barrier location is
7591 (arm_reorg): Include ftmp->address in allowable range of addresses.
7593 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7596 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7599 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7602 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7603 around RESULT_DECL for result passed by reference.
7604 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7605 * omp-low.c (use_pointer_for_field): Don't look at
7606 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7607 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7608 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7609 time or var for passing by reference for
7610 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7611 TREE_ADDRESSABLE variables when passing by reference.
7613 * omp-low.c (dump_omp_region): Fix output formatting.
7616 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7617 (expand_omp_parallel): Likewise.
7618 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7621 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7622 on statement list containing also constructors and destructors.
7623 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7626 * except.c (duplicate_eh_regions): Fix clearing of
7627 cfun->eh->region_array entries.
7629 2006-05-01 DJ Delorie <dj@redhat.com>
7631 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7633 (gcc_cv_objdump): Likewise.
7634 * configure: Regenerated.
7636 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7639 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7640 templates for case 3 and 4.
7642 2006-05-01 DJ Delorie <dj@redhat.com>
7644 * vec.c: Include bconfig.h when appropriate.
7645 * Makefile.in (build/vec.o): Adjust dependencies.
7646 * mkconfig.sh: Make sure config.h isn't used for build machine
7649 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7651 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7653 (mark_phi_for_rewrite): New function.
7654 (insert_phi_nodes_for, mark_use_interesting): Call
7655 mark_phi_for_rewrite.
7656 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7657 (update_ssa): Initialize and free phis_to_rewrite.
7659 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7661 PR rtl-optimization/27291
7662 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7663 folded to a constant.
7665 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7667 PR tree-optimization/27283
7668 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7669 not whole # of iteration descriptions.
7670 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7671 uses abnormal ssa name.
7672 (niter_for_single_dom_exit): Ditto.
7673 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7674 return just the number of iterations.
7676 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7678 PR tree-optimization/27144
7679 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7680 (record_estimate): Only record constant upper bound.
7681 (infer_loop_bounds_from_undefined): Call
7682 compute_estimated_nb_iterations just once.
7683 (proved_non_wrapping_p): Renamed to ...
7684 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7685 (convert_step_widening, scev_probably_wraps_p): Call
7686 n_of_executions_at_most instead of proved_non_wrapping_p.
7687 (substitute_in_loop_info): Do not replace values in bounds.
7688 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7691 2006-05-01 Richard Henderson <rth@redhat.com>
7694 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7695 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7698 2006-05-01 Roger Sayle <roger@eyesopen.com>
7700 * c-typeck.c (parser_build_binary_op): Don't call the function
7701 unsigned_conversion_warning to spot operand/result type overflow.
7702 (build_binary_op): Instead, call convert_and_check instead of
7703 convert to report the problem when the operands are promoted.
7704 * c-common.c (unsigned_conversion_warning): Make static.
7705 * c-common.h (unsigned_conversion_warning): Delete prototype.
7707 2006-05-01 Richard Guenther <rguenther@suse.de>
7709 PR tree-optimization/26726
7710 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7712 (find_interesting_uses_address): ... we work around here
7713 by folding INDIRECT_REFs in the substituted base.
7715 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7717 * omp-low.c (dump_omp_region): Add newlines.
7719 2006-04-30 Roger Sayle <roger@eyesopen.com>
7721 * common.opt (Woverflow): New command line option.
7722 * c-common.c (constant_expression_warning): Check warn_overflow.
7723 (overflow_waring): Pass OPT_Woverflow to warning.
7724 (unsigned_conversion_warning): Likewise.
7725 (convert_and_check): Likewise.
7726 * doc/invoke.texi: Document new command line option.
7728 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7730 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7731 TARGET_NO_FP_IN_TOC for section anchors.
7732 (optimization_options): Enable section anchors for all
7733 non-"Objective" languages.
7735 2006-04-28 Eric Christopher <echristo@apple.com>
7737 * config/darwin-c.c (darwin_ms_struct): Move this
7738 (darwin_set_default_type_attributes): and this...
7739 * config/darwin.c: ... here.
7740 * config/darwin.h (darwin_ms_struct): Declare.
7742 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7746 2006-04-28 Roger Sayle <roger@eyesopen.com>
7749 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7750 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7751 an unsigned HOST_WIDE_INT.
7752 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7754 (really_start_incremental_init): No need to call convert because
7755 bitsize_zero_node is already of type bitsizetype.
7756 (push_init_level): Extract the value of constructor_index as an
7757 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7758 (process_init_element): Likewise.
7760 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7762 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7763 value before passing to make_relative_prefix.
7765 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7768 * builtins.c (expand_builtin_memset): Expand val in original mode.
7770 2006-04-27 Eric Christopher <echristo@apple.com>
7772 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7773 with #ifndef/#endif.
7774 * config/darwin-c.c (darwin_ms_struct): New.
7775 (darwin_pragma_ms_struct): Ditto.
7776 (darwin_set_default_type_attributes): Ditto.
7777 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7778 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7779 Register ms_struct pragma.
7780 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7781 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7782 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7783 darwin_set_default_type_attributes if TARGET_MACHO.
7785 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7787 PR tree-optimization/26854
7788 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7789 * doc/tree-ssa.texi: Update immuse iterator documentation.
7790 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7792 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7793 first_safe_imm_use, next_safe_imm_use): Remove.
7794 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7795 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7796 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7797 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7798 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7799 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7800 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7801 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7802 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7803 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7804 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7805 (perfect_nestify): Use new iterator.
7806 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7808 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7809 (next_imm_name): New field in struct immediate_use_iterator_d.
7810 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7811 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7812 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7813 * tree-cfg.c (replace_uses_by): Use new iterator.
7814 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7815 * tree-ssa-operands.c (correct_use_link): Remove.
7816 (finalize_ssa_use_ops): No longer call correct_use_link.
7818 2006-04-27 Stuart Hastings <stuart@apple.com>
7820 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7821 * config/t-darwin (crt3.o): Use it.
7822 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7823 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7824 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7825 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7826 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7829 2006-04-27 Roger Sayle <roger@eyesopen.com>
7831 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7832 size, force the intermediate into a new pseudo rather instead of
7833 performing both a bitwise AND and a bitwise IOR in memory.
7835 2006-04-27 Richard Guenther <rguenther@suse.de>
7837 PR rtl-optimization/26685
7838 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7839 this one "max-flow-memory-locations".
7841 2006-04-27 Richard Guenther <rguenther@suse.de>
7843 PR tree-optimization/25148
7844 * tree-vrp.c (compare_values): Remove code dealing with
7845 comparisons against type min/max value. Honour overflow
7846 and negative constants in code dealing with comparisons
7847 of plus and minus expressions.
7848 (value_inside_range): Use fold_binary with LE_EXPR and
7849 GE_EXPR rather than compare_values.
7851 2006-04-27 Dirk Mueller <dmueller@suse.de>
7853 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7856 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7858 * basic-block.h (safe_insert_insn_on_edge): Removed.
7859 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7861 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7862 Paolo Bonzini <bonzini@gnu.org>
7865 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7866 (simplify_and_const_int): Same.
7868 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7870 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7872 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7875 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7876 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7877 cgraph_global_info_ready.
7880 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7883 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7884 either decl or init is error_mark_node.
7887 * tree-flow.h (struct omp_region): Add sched_kind.
7888 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7889 instead of extracting omp for data.
7890 (expand_omp_for): Save extracted sched_kind.
7892 2006-04-25 Roger Sayle <roger@eyesopen.com>
7894 * expmed.c (store_bit_field): Also check whether the bitsize is
7895 valid for the machine's "insv" instruction before moving the
7896 target into a pseudo for use with the insv.
7897 * config/i386/predicates.md (const8_operand): New predicate.
7898 * config/i386/i386.md (extv, extzv, insv): Use the new
7899 const8_operand predicate where appropriate.
7901 2006-04-25 DJ Delorie <dj@redhat.com>
7903 * doc/install.texi (Specific): Clarify that this is not a list of
7904 supported hosts or targets.
7906 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7908 PR rtl-optimization/26725
7909 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7910 block's BB_DIRTY flag.
7912 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7914 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7917 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7918 to print an integer.
7920 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7922 * varasm.c (align_variable): New function.
7923 (get_block_for_decl): Apply align_variable to DECL before
7924 calculating section information.
7925 (assemble_variable): Split out alignment computation.
7927 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7929 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7932 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7934 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7935 MODE_PARTIAL_INT mode.
7936 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7937 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7939 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7940 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7942 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7944 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7946 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7947 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7948 MACFLAG_IH): Likewise.
7949 (movstricthi_1): Renamed from "*movstricthi".
7950 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7951 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7952 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7953 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7954 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7955 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7956 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7957 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7958 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7959 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7960 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7961 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7962 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7963 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7964 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7966 * doc/rtl.texi (ss_ashift): Improve wording.
7968 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7970 * dwarf2out.c (verify_marks_clear): New.
7971 (prune_unused_types): Call verify_marks_clear initially, not
7974 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7976 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7977 * doc/rtl.texi: Document them.
7978 * simplify-rtx.c (simplify_unary_operation,
7979 simplify_binary_operation_1): Don't abort when we see them.
7981 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7984 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7985 * configure.ac: Completely disregard languages that are not
7987 * configure: Regenerated.
7989 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7990 Richard Guenther <rguenther@suse.de>
7992 PR tree-optimization/27236
7993 * tree-inline.c (copy_body_r): Make sure to copy
7994 TREE_THIS_VOLATILE flag.
7996 2006-04-24 Richard Guenther <rguenther@suse.de>
7999 * tree-complex.c (update_parameter_components): Don't handle
8000 unused parameters which have no default def.
8002 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8003 Richard Guenther <rguenther@suse.de>
8005 PR tree-optimization/27218
8006 * tree-inline.c (expand_call_inline): Strip useless type
8007 conversions for the return slot address.
8009 2006-04-24 Richard Guenther <rguenther@suse.de>
8011 * cfgloop.h (struct loops): Remove unused field array. Reorder
8013 (LOOP_PREFETCH): Remove.
8015 2006-04-24 Richard Guenther <rguenther@suse.de>
8017 PR tree-optimization/22525
8018 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8019 variable, adjust types of generated expressions.
8021 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8023 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8024 (tree-vect-patterns.o): Likewise.
8026 (cselib.o): Likewise.
8027 (loop-doloop.o): Likewise.
8028 (regclass.o): Likewise.
8029 (reload1.o): Likewise.
8030 (explow.o): Replace target.h with $(TARGET_H).
8031 (ipa-prop.o): Likewise.
8032 (ipa-cp.o): Likewise.
8033 (ipa-inline.o): Likewise.
8034 (reorg.o): Likewise.
8035 (reg-stack.o): Likewise.
8037 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8039 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8041 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8043 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8045 * configure.ac: Completely disregard languages that are not
8047 * configure: Regenerated.
8050 * c-common.h (c_build_bitfield_integer_type): Declare.
8051 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8052 * c-common.c (c_build_bitfield_integer_type): ... here.
8054 2006-04-23 Roger Sayle <roger@eyesopen.com>
8057 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8058 a SImode SUBREG of a floating point register after no_new_pseudos.
8060 2006-04-23 Roger Sayle <roger@eyesopen.com>
8062 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8063 identify potentially eliminable registers to additionally catch
8064 VIRTUAL_INCOMING_ARGS_REGNUM.
8065 (addsi3): Update the conditions on when to use addsi_small_int.
8067 2006-04-23 Roger Sayle <roger@eyesopen.com>
8070 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8071 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8072 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8074 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8076 * fold-const.c (range_predecessor): Use operand_equal_p
8077 as the predicate for equality.
8078 (range_successor): Likewise.
8080 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8083 * config/soft-fp/op-common.h: Fix a typo.
8085 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8088 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8089 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8091 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8093 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8095 * doc/tm.texi: Fix a typo.
8097 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8099 * dwarf2out.c (struct die_struct): Document that die_sib makes
8100 a circular linked list.
8101 (FOR_EACH_CHILD): New.
8102 (reverse_die_lists): Delete.
8103 (reverse_all_dies): Delete.
8104 (add_dwarf_attr): Correct documentation.
8105 (remove_child_with_prev): New.
8106 (remove_child_TAG): Update for change to die_struct, use
8107 remove_child_with_prev.
8108 (add_child_die): Update for change to die_struct.
8109 (splice_child_die): Use remove_child_with_prev and add_child_die.
8110 (print_die): Use FOR_EACH_CHILD.
8111 (die_checksum): Likewise.
8112 (assign_symbol_names): Likewise.
8113 (output_location_lists): Likewise.
8114 (build_abbrev_table): Likewise.
8115 (calc_die_sizes): Likewise.
8116 (mark_dies): Likewise.
8117 (unmark_dies): Likewise.
8118 (unmark_all_dies): Likewise.
8119 (output_die): Likewise.
8120 (prune_unused_types_mark): Likewise.
8121 (prune_unused_types_walk): Likewise.
8122 (same_die_p): Update for change to die_struct.
8123 (break_out_includes): Likewise.
8124 (prune_unused_types_prune): Likewise.
8125 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8126 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8128 (dwarf2out_finish): Don't call reverse_all_dies.
8130 2006-04-21 Eric Christopher <echristo@apple.com>
8132 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8133 in comments and function names.
8135 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8138 * c-typeck.c (digest_init): Robustify.
8140 * c-typeck.c (pop_init_level): Simplify.
8142 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8144 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8146 2006-04-21 Paul Brook <paul@codesourcery.com>
8148 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8149 hardware floating point.
8151 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8153 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8156 2006-04-21 Nick Clifton <nickc@redhat.com>
8158 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8161 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8164 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8165 C++ lang type in traceback table for Objective-C++.
8167 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8169 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8171 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8173 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8176 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8177 were errors. Remove check for erroneous objects.
8179 2006-04-20 Jeff Law <law@redhat.com>
8181 PR tree-optimization/26854
8182 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8183 checking for zero or one use.
8184 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8185 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8186 * tree-ssa-reassoc.c (negate_value): Similarly.
8187 (reassociate_bb): Similarly.
8189 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8191 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8192 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8193 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8195 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8197 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8198 fp regs if the last fp arg doesn't fit in regs.
8200 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8203 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8204 that the last insn has the REG_INC note.
8206 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8207 Nathan Sidwell <nathan@codesourcery.com>
8210 * stor-layout.c (update_alignment_for_field): Do not align
8212 (place_union_field): Place union field at the start of the union.
8213 (place_field): Move ERROR_MARK check later, and use the current
8214 allocation position to maintain monotonicity.
8216 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8218 * dominance.c: Include timevar.h.
8219 (calculate_dominance_info): Use TV_DOMINANCE.
8220 * timevar.def (TV_DOMINANCE): New timevar.
8221 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8223 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8225 PR rtl-optimization/14261
8226 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8227 move would be an INSV insn.
8228 (noce_process_if_block): Don't optimize if the destination is a
8229 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8231 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8233 * config/s390/s390.md: Add comments with the instructions emitted
8234 by an insn pattern if macros are used.
8236 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8238 PR rtl-optimization/26026
8239 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8240 is a known power of two shifted left a variable amount.
8242 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8244 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8245 to hash table twice when the debug_str section has SECTION_MERGE.
8247 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8249 * config/soft-fp: New directory. From glibc.
8250 * config/soft-fp/t-softfp: New.
8251 * config/soft-fp/README: New.
8252 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8253 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8254 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8255 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8256 * config.gcc: Use rs6000/t-fprules-fpbit or
8257 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8259 * config/rs6000/sfp-machine.h: New. Based on glibc.
8260 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8262 * config/rs6000/t-fprules: Remove fp-bit rules.
8263 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8264 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8265 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8266 (softfp_wrap_start, softfp_wrap_end): New.
8268 2006-04-18 DJ Delorie <dj@redhat.com>
8270 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8272 2006-04-18 Devang Patel <dpatel@apple.com>
8274 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8276 2006-04-18 Nick Clifton <nickc@redhat.com>
8278 * config/sh/t-symbian: Add rule to build sh-c.o
8279 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8280 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8281 (sh_symbian_encode_section_info): Likewise.
8283 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8285 * builtins.c (expand_builtin_strcmp): Cover label definition of
8286 do_libcall with HAVE_cmpstrnsi.
8288 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8290 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8292 * function.h (temp_slot_p): New.
8293 (function): Change the type of x_used_temp_slots to
8294 VEC(temp_slot_p,gc) *.
8296 2006-04-18 Nick Clifton <nickc@redhat.com>
8298 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8299 flag_strength_reduce.
8301 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8303 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8307 Partial revert of revision 112637
8308 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8309 Dale Johannesen <dalej@apple.com>
8312 * regclass.c (struct reg_pref): Update documentation.
8313 (regclass): Set prefclass to NO_REGS if memory is the best option.
8314 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8316 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8318 PR tree-optimization/26821
8319 * tree-ssa-math-opts.c (get_constant_one): New.
8320 (insert_reciprocals): Use it.
8322 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8324 * dwarf2out.c (free_AT): Delete.
8325 (remove_AT): Update string ref counts.
8326 (remove_child_TAG): Don't call free_die.
8328 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8329 or DW_TAG_GNU_EINCL.
8330 (prune_unused_types_walk_attribs): Reset string refcounts.
8331 (prune_unused_types_update_strings): New.
8332 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8333 call free_die. Do call prune_unused_types_update_strings.
8334 (prune_unused_types): Empty debug_str_hash.
8336 2006-04-17 Roger Sayle <roger@eyesopen.com>
8338 * expr.c (expand_assignment): Optimize away no-op moves where the
8339 source and destination are equal and have no side-effects.
8341 2006-04-17 Richard Guenther <rguenther@suse.de>
8344 * reload.c (push_reload): Guard calls to get_secondary_mem
8347 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8349 * alias.c (reg_base_value, old_reg_base_value): Change the
8350 type to VEC(rtx,gc) *.
8351 (REG_BASE_VALUE, find_base_value, record_set,
8352 init_alias_analysis): Use VEC instead of VARRAY.
8354 * alias.c (alias_sets): Change the type to
8355 VEC(alias_set_entry,gc) *.
8356 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8357 VEC instead of VARRAY.
8358 (last_alias_set): Remove.
8360 * cgraph.h (cgraph_edge_p): New.
8361 Update the prototype of cgraph_function_versioning.
8362 * cgraphunit.c (cgraph_copy_node_for_versioning,
8363 cgraph_function_versioning): Use VEC instead of VARRAY.
8364 * ipa-cp.c (ipcp_insert_stage): Likewise.
8366 2006-04-16 Roger Sayle <roger@eyesopen.com>
8369 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8370 "A op B" or "A op C", we may need to convert A to the type of B and C.
8372 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8374 * target.h (struct gcc_target): Add mode_rep_extended.
8375 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8376 (init_num_sign_bit_copies_in_rep): Initialize it using
8378 (truncate_to_mode): Use it.
8379 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8380 * targhooks.h (default_mode_rep_extended): Declare it.
8381 * targhooks.c (default_mode_rep_extended): Define it.
8382 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8383 default_mode_rep_extended.
8384 (TARGET_INITIALIZER): Include it.
8385 * doc/tm.texi (Misc): Document it.
8386 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8387 (mips_truncated_to_mode): New function.
8389 2006-04-16 Roger Sayle <roger@eyesopen.com>
8392 * expr.c (compress_float_constant): Copy the narrow constant into
8393 a new pseudo before extending it to its final width.
8395 2006-04-16 Roger Sayle <roger@eyesopen.com>
8396 Andrew Pinski <pinskia@gcc.gnu.org>
8397 Dale Johannesen <dalej@apple.com>
8400 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8401 special case code to implement V8HImode and V16QImode with SSE2.
8403 2006-04-15 Roger Sayle <roger@eyesopen.com>
8405 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8406 trees are constructed with a suitable tree type.
8408 2006-04-15 Roger Sayle <roger@eyesopen.com>
8410 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8411 (integer_onep): Likewise.
8412 (integer_all_onesp): Likewise.
8413 (integer_pow2p): Likewise.
8414 (integer_nonzerop): Likewise.
8415 (real_zerop): Likewise.
8416 (real_onep): Likewise.
8417 (real_twop): Likewise.
8418 (real_minus_onep): Likewise.
8419 (int_size_in_bytes): Likewise.
8420 (host_integerp): Likewise.
8422 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8424 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8425 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8426 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8428 * tree-ssa-structalias.h (alias_info): Remove num_references.
8430 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8432 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8433 (output_bvb patterns): Likewise.
8434 * pa.c (output_bb): Use 'bb' insn for long branch case.
8435 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8436 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8437 1. Correct length operand for alternatives 1 and 2.
8438 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8439 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8441 2006-04-14 Roger Sayle <roger@eyesopen.com>
8443 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8444 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8445 were accidentally reverted by r112959.
8447 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8450 * except.h (eh_region_outermost): New prototype.
8451 * except.c (eh_region_outermost): New function.
8452 * tree-cfg.c (find_outermost_region_in_block): Use it.
8454 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8456 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8458 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8459 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8460 (init_reload, reload): Use VEC instead of VARRAY.
8461 * reload.h: Update the prototype for
8462 reg_equiv_memory_loc_varray.
8464 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8465 Eric Botcazou <ebotcazou@libertysurf.fr>
8467 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8470 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8473 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8474 to expand fallback builtin function call.
8476 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8479 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8480 and emit libcall here in case the builtin fails.
8481 (expand_builtin_strcmp): Always emit the libcall here on failure.
8483 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8485 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8486 * flow.c (reg_n_info): Change the type to
8487 VEC(reg_info_p,heap) *.
8488 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8490 * regs.h (reg_info_p): New.
8491 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8492 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8493 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8496 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8498 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8500 * params.h (MAX_SCHED_READY_INSNS): New macro.
8501 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8502 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8503 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8504 the ready list for 1 cycle during the first scheduling pass.
8505 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8507 2006-04-13 Richard Henderson <rth@redhat.com>
8510 * gimple-low.c (lower_omp_directive): Remove dead code.
8511 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8512 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8513 * omp-low.c (struct omp_region): Move to tree-flow.h.
8514 (root_omp_region): Export.
8515 (omp_regions, lookup_omp_region): Remove.
8516 (determine_parallel_type): Update for struct omp_region changes.
8517 (dump_omp_region): Dump regions with block numbers.
8518 (new_omp_region): Take type and block instead of stmt; malloc
8520 (free_omp_region_1, free_omp_regions): New.
8521 (expand_parallel_call): Take entry_stmt as argument; update for
8522 changes to omp_region.
8523 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8524 (remove_exit_barriers): New.
8525 (expand_omp_parallel): Update for struct omp_region changes.
8526 (expand_omp_synch): Likewise.
8527 (expand_omp): Likewise.
8528 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8529 (expand_omp_for_static_chunk): Likewise.
8530 (expand_omp_for): Likewise.
8531 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8532 (expand_omp_sections): Similarly, with GOMP_sections_end.
8533 (expand_omp_single): New.
8534 (build_omp_regions_1): Update for OMP_CONTINUE.
8535 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8536 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8537 OMP_SECTIONS_SECTIONS.
8538 (lower_omp_single_simple): Don't emit barrier here.
8539 (lower_omp_single_copy): Likewise.
8540 (lower_omp_single): Fix bindings, and lower to straightline now.
8541 (lower_omp_master, lower_omp_ordered): Likewise.
8542 (lower_omp_critical): Likewise.
8543 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8544 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8545 omp edges, free it afterward.
8546 (make_omp_sections_edges): Remove.
8547 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8548 (move_stmt_r): Handle OMP_CONTINUE.
8549 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8550 statement pointers to basic blocks. Add type member.
8551 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8552 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8553 * tree-inline.c (estimate_num_insns_1): Likewise.
8554 * tree-pretty-print.c (dump_generic_node): Likewise.
8555 * tree-ssa-operands.c (get_expr_operands): Likewise.
8556 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8557 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8558 (OMP_CONTINUE): New.
8559 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8560 (OMP_SECTIONS_SECTIONS): Remove.
8561 (OMP_SECTION_LAST): New.
8562 (OMP_RETURN_NOWAIT): New.
8564 2006-04-13 Roger Sayle <roger@eyesopen.com>
8566 * fold-const.c (native_encode_vector, native_interpret_real):
8567 Correct obvious mistakes in the previous check-in.
8569 2006-04-13 Roger Sayle <roger@eyesopen.com>
8571 * fold-const.c (native_encode_expr): New function to encode
8572 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8573 or VECTOR_CST into a specified buffer.
8574 (native_encode_int): New function.
8575 (native_encode_real): New function.
8576 (native_encode_complex): New function.
8577 (native_encode_vector): New function.
8578 (native_interpret_expr): Inverse of native_encode_expr to convert
8579 a target representation into an INTEGER_CST, REAL_CST etc...
8580 (native_interpret_int): New function.
8581 (native_interpret_real): New function.
8582 (native_interpret_complex): New function.
8583 (native_interpret_vector): New function.
8584 (fold_view_convert_expr): New function to constant fold/evaluate
8585 a VIEW_CONVERT_EXPR of a suitable constant expression.
8586 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8587 Change call of build1 to fold_build1 when constructing a
8590 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8591 Ulrich Weigand <uweigand@de.ibm.com>
8594 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8597 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8600 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8601 optimize to lo_sum for DFmode if !TARGET_FPRS.
8603 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8605 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8606 delete_alias_info, compute_flow_sensitive_aliasing,
8607 group_aliases): Use VEC instead of VARRAY.
8608 * tree-ssa-structalias.c (update_alias_info): Likewise.
8609 * tree-ssa-structalias.h (alias_info): Change the type of
8610 processed_ptrs to VEC(tree,heap) *.
8612 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8615 * config/sh/lib1funcs.h: New file, broken out of:
8616 * config/sh/lib1funcs.asm.
8617 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8619 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8620 * config/sh/lib1funcs-Os-4-200.asm: New file.
8621 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8622 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8623 (EXTRA_MULTILIB_PARTS): Include it.
8624 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8625 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8626 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8627 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8630 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8632 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8633 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8634 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8636 * tree-ssa-live.h: Include vecprim.h.
8637 (tree_partition_associator_d): Change the type of
8638 first_partition to VEC(int,heap) *.
8639 (tpa_first_partition): Use VEC instead of VARRAY.
8641 * Makefile.in (GTFILES): Move functions.h after tree.h.
8642 * function.c (reset_block_changes, record_block_change,
8643 check_block_change, free_block_changes): Use VEC instead of
8645 * function.h (function): Change the type of
8646 ib_boundaries_block to VEC(tree,gc) *.
8647 * tree-inline.c (copy_cfg_body): Initialize
8648 ib_boundaries_block to NULL instead of (varray_type) 0.
8650 2006-04-12 Roger Sayle <roger@eyesopen.com>
8652 * expr.c (emit_group_store): Correct operand order in call to
8653 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8654 a SUBREG_BYTE of zero.
8656 2006-04-12 Richard Guenther <rguenther@suse.de>
8658 * profile.c (compute_branch_probabilities): Remove code
8659 encapsulated in !ir_type (), which are remanents of the
8660 removed RTL profiling code.
8661 * rtl-profile.c: Remove.
8663 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8665 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8666 magic NULL_RTX comment.
8667 (function_arg): Store entire fp arg to mem if any part should go
8669 (rs6000_arg_partial_bytes): Adjust for above change.
8671 2006-04-11 Roger Sayle <roger@eyesopen.com>
8673 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8674 if it hasn't been initialized by dwarf2out_init.
8676 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8678 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8679 symbolic constants in branch patterns.
8681 2006-04-11 Roger Sayle <roger@eyesopen.com>
8683 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8685 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8687 PR rtl-optimization/27073
8688 * gcse.c (try_replace_reg): Revert last change. Continue to search
8689 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8692 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8694 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8695 aggregate types other than record and union types.
8696 (function_arg): Likewise.
8697 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8699 (function_value): In 64-bit mode, return objects that require it
8702 2006-04-11 Roger Sayle <roger@eyesopen.com>
8704 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8706 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8708 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8710 2006-04-03 Jeff Law <law@redhat.com>
8713 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8714 alias information too.
8716 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8718 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8720 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8723 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8724 (premark_used_types_helper): New.
8725 (premark_used_types): New.
8726 (gen_subprogram_die): Call premark_used_types.
8727 (prune_unused_types_walk): Do not prune perennial dies.
8728 * function.c (used_types_insert): New.
8729 * function.h (struct function): Add used_types_hash field.
8730 (used_types_insert): Add prototype.
8731 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8732 * c-parser.c (c_parser_cast_expression): Save casted types in used
8735 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8738 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8739 rs6000_explicit_options.float_gprs.
8741 2006-04-10 Roger Sayle <roger@eyesopen.com>
8743 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8744 from ix86_expand_vector_init_low_nonzero. Take an additional
8745 one_var argument indicating which element is non-zero. Support
8746 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8747 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8748 with one_var instead of ix86_expand_vector_init_low_nonzero.
8750 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8752 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8753 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8754 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8755 build/genextract.o): Depend on vecprim.h.
8756 * cfglayout.c, df-problems.c, function.c, genextract.c,
8757 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8758 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8762 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8764 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8765 Declare VECs of this type.
8766 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8767 (remove_children): Delete.
8768 (add_dwarf_attr): Use VEC routines.
8769 (add_AT_flag): Update for changes to add_dwarf_attr.
8770 (add_AT_int): Likewise.
8771 (add_AT_unsigned): Likewise.
8772 (add_AT_long_long): Likewise.
8773 (add_AT_vec): Likewise.
8774 (add_AT_string): Likewise.
8775 (add_AT_die_ref): Likewise.
8776 (add_AT_fde_ref): Likewise.
8777 (add_AT_loc): Likewise.
8778 (add_AT_loc_list): Likewise.
8779 (add_AT_addr): Likewise.
8780 (add_AT_lbl_id): Likewise.
8781 (add_AT_lineptr): Likewise.
8782 (add_AT_macptr): Likewise.
8783 (add_AT_offset): Likewise.
8784 (add_AT_range_list): Likewise.
8785 (get_AT): Use VEC_iterate.
8786 (remove_AT): Use VEC_ordered_remove.
8787 (free_die): Fold remove_children into here; have it use VEC_iterate.
8788 (print_die): Use VEC_iterate on attrs.
8789 (reverse_die_lists): Don't reverse attr lists.
8790 (die_checksum): Use VEC_iterate on attrs.
8791 (same_die_p): Likewise.
8792 (output_location_lists): Likewise.
8793 (build_abbrev_table): Likewise.
8794 (size_of_die): Likewise.
8795 (unmark_all_dies): Likewise.
8796 (output_abbrev_section): Likewise.
8797 (output_die): Likewise.
8798 (prune_unused_types_walk_attribs): Likewise.
8800 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8802 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8804 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8807 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8809 2006-04-09 Roger Sayle <roger@eyesopen.com>
8811 * expr.c (store_constructor): Don't bother clearing target if
8812 we're about to assign a vector to it using vec_init_optab.
8814 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8816 * tree-ssa-alias.c (lhs_may_store_to): New function.
8817 (recalculate_used_alone): Handle LHS of calls.
8819 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8823 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8824 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8825 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8826 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8827 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8828 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8829 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8830 stubs. Add ".align 8" directives before all ".dword" directives.
8831 (GTHREAD_USE_WEAK): Revise comment.
8832 (TARGET_ATTRIBUTE_WEAK): Define.
8833 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8834 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8835 * stublib.c: New file.
8840 * pa.md (cbranch patterns): Revise arguments used in calls to
8841 output_cbranch, output_bb and output_bvd. Add long branch length
8843 (fbranch patterns): Handle long branches.
8844 (jump): Revise length check. Revise arguments for output_lbranch call.
8845 Add long branch length attributes.
8846 (decrement_and_branch_until_zero): Add long branch length attributes.
8847 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8848 Likewise. Revise arguments for output_parallel_addb and
8849 output_parallel_movb calls.
8850 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8851 output_parallel_movb and output_parallel_addb): Update prototypes.
8852 * pa.c (output_cbranch): Revise arguments. Correct handling of
8853 nullification in long branches.
8854 (output_lbranch): Add new argument to control extraction of delay
8856 (output_bb): Handle long branches.
8857 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8858 output_parallel_addb): Likewise.
8860 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8862 PR rtl-optimization/27073
8863 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8866 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8868 * tree.h (tree_memory_tag): Add old_used_alone.
8869 (SMT_OLD_USED_ALONE): New macro.
8870 * tree-ssa-alias.c (recalculate_used_alone): Stop
8871 marking things for renaming unnecessarily.
8873 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8875 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8876 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8877 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8878 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8879 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8880 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8881 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8882 spelling convensions.
8883 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8884 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8885 typos. Follow spelling conventions.
8887 2006-04-07 DJ Delorie <dj@redhat.com>
8889 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8890 passed on the stack.
8891 (m32c_init_cumulative_args): When a function returns a structure,
8892 always pass the pointer to that return area on the stack.
8893 (m32c_function_arg_advance): Don't increment the parameter number
8894 if we're processing the returned structure pointer.
8895 (pushm_info): Reverse order of registers.
8897 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8899 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8900 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8901 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8902 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8904 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8905 chrec_fold_multiply): Same.
8906 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8907 force_expr_to_var_cost): Same.
8908 * tree-mudflap.c (mf_xform_derefs_1): Same.
8909 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8911 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8913 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8914 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8917 2006-04-07 Jan Hubicka <jh@suse.cz>
8919 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8921 2006-04-07 Richard Guenther <rguenther@suse.de>
8923 PR tree-optimization/26135
8924 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8925 loads for store copy-prop.
8926 (copy_prop_visit_stmt): Likewise.
8928 2006-04-05 Robert Millan <robertmh@gnu.org>
8930 * config/i386/linux.h: Add a comment to mark macros that are
8931 being overriden in config/k*bsd-gnu.h.
8932 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8934 * config/knetbsd-gnu.h: Ditto.
8936 2006-04-06 Jan Hubicka <jh@suse.cz>
8940 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8943 2006-04-06 Mike Stump <mrs@apple.com>
8945 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8946 for HAVE_nonlocal_goto to be consistent.
8947 (expand_builtin_nonlocal_goto): Likewise.
8948 (expand_builtin_strcmp): Use #ifdef instead of #if
8949 for HAVE_cmpstrnsi to be consistent.
8951 2006-04-05 DJ Delorie <dj@redhat.com>
8953 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8956 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8958 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8959 got-relative addressing for anything but SImode.
8961 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8962 even if the calling function doesn't modify them.
8964 2006-04-05 Richard Guenther <rguenther@suse.de>
8966 PR tree-optimization/26919
8967 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8968 to cgraph_estimate_size_after_inlining.
8970 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8972 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8974 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8976 PR tree-optimization/26996
8977 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8978 VECTOR_TYPE variables.
8980 2006-04-05 Richard Guenther <rguenther@suse.de>
8982 PR tree-optimization/26763
8983 * fold-const.c (fold_comparison): Move folding of
8984 PTR + CST CMP PTR + CST ...
8985 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8987 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8989 * doc/install.texi (Prerequisites): Refine some wording on
8990 bootstrapping and ksh.
8991 Move the version numbers of DejaGnu here from the testing section
8992 and fix casing of names.
8993 Fix markup and clarify wording for autogen requirements.
8994 Refer to GCJ instead of just java.
8995 Refer to SVN instead of CVS.
8996 Describe diffutils as useful instead of necessary.
8997 (Downloading the source): Refer to SVN instead of CVS.
8998 Adjust a link to our web site accordingly.
8999 (Configuration): Fix casing of Bison.
9000 (Building): Refer to SVN instead of CVS.
9001 Fix a sentence on the use of Bison and remove duplicate (and
9002 incorrect) version number of Bison requirement.
9003 Remove one redundant list of packages needed for building.
9004 (Specific): Avoid reference to CVS.
9006 2006-04-04 Eric Christopher <echristo@apple.com>
9008 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9009 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9010 (rs6000_handle_struct_attribute): New.
9011 (rs6000_ms_bitfield_layout_p): Ditto.
9013 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9015 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9016 NULL for dso parameter to atexit_common.
9018 2006-04-04 Eric Christopher <echristo@apple.com>
9020 * config/i386/i386.c (machopic_output_stub): Output \t
9021 between instructions and operands.
9023 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9025 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9026 satisfies_constraint_[IL] to explicit tests on value.
9028 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9030 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9031 set_nb_iterations_in_loop): Use build_int_cst instead of
9033 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9034 build_int_cst instead of convert.
9036 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9038 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9039 new value 2 for incoming.
9040 * function.c (expand_function_start): Call struct_value_rtx
9042 * config/sparc/sparc.md: Comment updated_return.
9043 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9044 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9045 struct return if sparc_std_struct_return and incoming is 2.
9046 (print_operand): Do not adjust return if
9047 sparc_std_struct_return.
9049 2006-04-04 Roger Sayle <roger@eyesopen.com>
9051 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9052 convert in the middle-end.
9053 * expr.c (store_expr, store_constructor, get_inner_reference,
9054 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9056 * tree.c (build_range_type): Likewise.
9058 2006-04-04 Tom Tromey <tromey@redhat.com>
9060 * doc/install.texi (Prerequisites): Mention jar.
9062 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9064 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9067 2006-04-04 Matthias Klose <doko@debian.org>
9069 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9073 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9076 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9078 * doc/extend.texi (Function Attributes): Rewrite visibility
9079 attribute documentation.
9080 * doc/invoke.texi (C++ Dialect Options): Rewrite
9081 -fvisibility-inlines-hidden documentation to describe something
9082 entirely different, although in practise compatible.
9083 (Code Gen Options): Warn about system headers in -fvisibility=
9086 * doc/extend.texi (Other Builtins): Document that
9087 __builtin_nan is a compile-time constant only when its argument
9090 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9092 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9093 trying to remove TRUNCATE check if all bits outside the new mode
9094 are identical to the sign bit.
9096 2006-04-03 Jeff Law <law@redhat.com>
9098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9099 and operand scanning in some common cases.
9101 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9102 Dale Johannesen <dalej@apple.com>
9105 * regclass.c (struct reg_pref): Update documentation.
9106 (regclass): Set prefclass to NO_REGS if memory is the best option.
9107 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9108 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9109 into account. For non-registers, equate an empty preferred
9110 reload class to a `!' in the constraint; move the if clause to
9111 do so after those that reject the insn.
9112 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9114 (find_dummy_reload): Likewise.
9115 * doc/tm.texi (Register Classes): Document what it means
9116 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9117 * config/i386/i386.c (ix86_preferred_reload_class): Force
9118 using SSE registers (and return NO_REGS for floating-point
9119 constants) if math is done with SSE.
9120 (ix86_preferred_output_reload_class): New.
9121 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9122 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9123 * config/i386/i386.md: Remove # register preferences.
9125 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9128 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9129 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9130 the type of nb_iter.
9131 (instantiate_parameters_1): Convert the operands before calling
9132 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9133 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9135 2006-04-02 Roger Sayle <roger@eyesopen.com>
9137 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9138 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9140 * dojump.c (do_jump): Likewise.
9141 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9142 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9143 gimplify_boolean_expr): Likewise.
9144 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9145 * varasm.c (array_size_for_constructor): Likewise.
9146 * tree-object-size.c (compute_object_offset): Likewise.
9148 2006-04-02 Roger Sayle <roger@eyesopen.com>
9151 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9152 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9154 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9156 PR tree-optimization/26939
9157 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9159 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9161 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9162 at_stmt. Convert the type of operands before calling
9163 build_polynomial_chrec.
9164 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9166 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9167 (instantiate_parameters_1): Convert the type of operands before calling
9168 build_polynomial_chrec.
9169 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9170 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9171 reset_evolution_in_loop): Insert asserts to check the types of the
9173 (chrec_type): Moved...
9174 (eq_evolutions_p): Use operand_equal_p.
9175 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9176 the types of the operands.
9177 (chrec_type): ...here.
9178 * tree-data-ref.c (create_data_ref): Convert the operands before
9179 calling chrec_replace_initial_condition.
9180 (same_access_functions, analyze_subscript_affine_affine,
9181 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9182 (compute_subscript_distance, analyze_ziv_subscript,
9183 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9184 analyze_miv_subscript): Convert the operands before calling
9185 chrec_fold_minus or chrec_fold_plus.
9187 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9189 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9190 the dependence_relations vector.
9191 (compute_data_dependences_for_loop): Adjust call to
9192 compute_all_dependences.
9194 2006-04-01 Roger Sayle <roger@eyesopen.com>
9195 Richard Henderson <rth@redhat.com>
9197 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9198 gimple_boolify on the condition before calling gimplify_expr.
9200 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9202 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9203 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9204 the frame size. Update to use the new macros.
9205 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9206 * config/xtensa/ieee754-df.S: Likewise.
9208 2006-03-31 Richard Henderson <rth@redhat.com>
9210 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9211 (make_edges): ... here. Control fallthru creation with a local
9212 variable. Do not play with fake edges.
9213 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9214 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9217 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9219 * dwarf2.h (DW64_CIE_ID): Define.
9220 * dwarf2out.c (DWARF_CIE_ID): Define.
9221 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9222 length header. Use DWARF_CIE_ID.
9223 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9224 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9226 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9228 * config/sh/linux-atomic.asm: New file.
9229 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9231 2006-03-31 DJ Delorie <dj@redhat.com>
9233 * config/m32c/cond.md: Set condition flags properly throughout.
9234 * config/m32c/minmax.md: Likewise.
9235 * config/m32c/prologue.md: Likewise.
9236 * config/m32c/bitops.md: Likewise.
9237 * config/m32c/muldiv.md: Likewise.
9238 * config/m32c/mov.md: Likewise.
9239 * config/m32c/addsub.md: Likewise.
9240 * config/m32c/m32c.md: Likewise.
9241 * config/m32c/jump.md: Likewise.
9242 * config/m32c/shift.md: Likewise.
9244 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9245 conditionally output the pattern for this.
9246 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9247 (m32c_compare_redundant): New.
9248 (m32c_output_compare): New.
9249 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9251 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9252 dest, not src. Allow other 4-byte modes.
9254 2006-03-30 Denis Chertykov <denisc@overta.ru>
9256 * doc/md.texi: Refer to avr/constraints.md instead of
9259 2006-03-30 Roger Sayle <roger@eyesopen.com>
9261 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9262 signed vs. unsigned comparison failures on some hosts.
9264 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9267 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9268 change to FLOAT_REGS.
9270 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9271 (rs6000_override_options): Use it.
9272 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9273 only for -mabi=spe/no-spe and -mabi=altivec.
9275 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9277 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9280 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9282 * Makefile.in: Rename docdir to gcc_docdir.
9284 2006-03-30 Roger Sayle <roger@eyesopen.com>
9287 * expr.c (emit_group_store): Optimize group stores into a pseudo
9288 register by using a paradoxical subreg to initialize the destination
9289 if the first or last member of the group specifies a "low part".
9291 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9294 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9295 * target.h (struct gcc_target.speculate_insn): Change type of the
9296 second parameter to 'int'.
9297 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9298 the second operand of the DEPS_LIST.
9299 (copy_DEPS_LIST_list): Update reference to the second operand of the
9301 * rtl.h (alloc_DEPS_LIST): Update signature.
9302 * sched-int.h (ds_t): Change typedef to 'int'.
9303 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9305 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9307 * haifa-sched.c (try_ready): Change condition to restore
9308 non-speculative pattern of the instruction.
9309 (process_insn_depend_be_in_spec): Code to keep probability of the
9310 speculative dependence non-decreasing.
9312 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9314 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9315 (single_move_for_movmem): ... this. Also change all uses.
9316 (bfin_expand_strmov): Renamed to...
9317 (bfin_expand_movmem): ... this. Also change all uses.
9318 * config/bfin/bfin.md (movstrsi): Renamed to...
9319 (movstrsi): ...this.
9321 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9323 PR tree-optimization/26830
9325 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9326 (copy_prop_visit_stmt): Remove write-only variable ann.
9327 (init_copy_prop): Check variable loop depth here. Do not simulate
9328 memory-tag and virtual operand PHIs except for store copy prop.
9330 2006-03-30 Richard Guenther <rguenther@suse.de>
9332 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9333 variants with double arguments.
9335 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9337 * genpreds.c (write_tm_constrs_h): Delete variable p.
9338 * genconditions.c (write_header): Add tm-constrs.h to included
9340 * genpeep.c (main): Add toplev.h to included headers.
9341 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9342 (build/genpeep.o): Add toplev.h dependency.
9343 * config/rs6000/constraints.md: Add "W" constraint.
9345 2006-03-29 Roger Sayle <roger@eyesopen.com>
9347 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9348 sizes by correctly testing whether the size fits a host integer.
9349 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9350 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9351 SImode range for the default sizetype and bitsizetype.
9353 2006-03-29 Roger Sayle <roger@eyesopen.com>
9355 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9356 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9357 quickly if the argument is already of the correct type.
9358 Call fold_build1 instead of build1. Tidy up blank lines.
9360 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9362 * genemit.c (main): Add tm-constrs.h to included headers.
9363 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9364 * genpeep.c (main): Add tm-constrs.h to included headers.
9365 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9366 (write_tm_constrs_h): this and write complete file.
9367 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9368 (write_insn_preds_c): Add tm-constrs.h to included headers.
9369 (gen_constrs): New variable.
9370 (parse_option): Parse "-c".
9371 (main): Invoke write_tm_constrs_h.
9372 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9373 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9374 (object_out_file): Add tm-constrs.h dependency.
9375 (insn-emit.o): Same.
9376 (insn-output.o): Same.
9377 (insn-peep.o): Same.
9378 (insn-preds.o): Same.
9379 (insn-recog.o): Same.
9380 (tm-constsr.h): New target.
9381 (s-constrs-h): New target.
9383 * config/rs6000/constraints.md: New file.
9384 * config/rs6000/rs6000.c: Include tm-constrs.h.
9385 (num_insn_constant_wide): Convert to satisfies_constraint.
9386 (rs6000_rtx_costs): Convert to satisfies_constraint.
9387 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9388 (CONST_OK_FOR_LETTER_P): Delete.
9389 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9390 (EXTRA_CONSTRAINT): Delete.
9391 (EXTRA_MEMORY_CONSTRAINT): Delete.
9392 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9393 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9394 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9395 satisfies_constraint.
9397 * config/i386/i386.c: Include tm-constrs.h.
9399 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9401 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9402 * tree-data-ref.c (find_data_references_in_loop,
9403 compute_data_dependences_for_loop): Use pointers to VEC.
9404 (analyze_all_data_dependences): Adjust calls.
9405 * tree-data-ref.h (find_data_references_in_loop,
9406 compute_data_dependences_for_loop): Adjust declarations.
9407 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9408 compute_data_dependences_for_loop.
9410 2006-03-29 Paul Brook <paul@codesourcery.com>
9412 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9415 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9417 PR tree-optimization/26859
9418 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9420 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9421 for the step after fold_convert.
9423 2006-03-29 Paul Brook <paul@codesourcery.com>
9425 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9426 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9428 2006-03-29 Paul Brook <paul@codesourcery.com>
9431 * targhooks.c (default_narrow_bitfield): New fuction.
9432 * targhooks.h (default_narrow_bitfield): add prototype.
9433 * target.h (gcc_target): Add narrow_volatile_bitfield.
9434 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9435 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9436 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9437 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9439 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9441 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9443 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9444 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9445 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9446 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9447 (s390_function_arg_float): Allow SDmode and DDmode values to be
9448 passed in floating point registers.
9449 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9450 check with SCALAR_FLOAT_MODE_P.
9451 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9453 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9455 PR tree-optimization/25985
9456 * tree-ssa-loop-niter.c (number_of_iterations_le,
9457 number_of_iterations_ne): Make comments more precise.
9458 (number_of_iterations_cond): Add only_exit argument. Use the
9459 fact that signed variables do not overflow only when only_exit
9461 (loop_only_exit_p): New.
9462 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9463 number_of_iterations_cond.
9465 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9467 PR tree-optimization/26643
9468 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9471 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9473 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9474 (divsi3_i4_int): Likewise.
9476 2006-03-28 Roger Sayle <roger@eyesopen.com>
9478 * expr.c (emit_group_store): Only create a new pseudo reg if the
9479 quantity it needs to hold isn't already a suitable pseudo.
9481 2006-03-28 Jeff Law <law@redhat.com>
9483 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9484 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9486 2006-03-28 Roger Sayle <roger@eyesopen.com>
9488 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9489 the equivalent ~X & Y, and the symmetry related transformations.
9490 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9491 ~X & Y, and symmetry related transforms.
9493 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9495 Revert my 2006-03-27 patches.
9497 2006-03-28 Roger Sayle <roger@eyesopen.com>
9499 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9500 ~(T1)X, when T1 and T2 are integer types of the same precision
9501 and (T2)X isn't an extension.
9503 2006-03-28 Jeff Law <law@redhat.com>
9505 PR tree-optimization/26796
9506 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9507 need EH edge cleanups rather than purging them immediately.
9508 (eliminate_degenerate_phis): Handle queued EH cleanups.
9510 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9512 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9515 2006-03-27 Roger Sayle <roger@eyesopen.com>
9518 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9519 cast BIT_NOT_EXPR operand to the correct type.
9521 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9523 * tree-loop-linear.c: Don't include varray.h.
9524 (gather_interchange_stats, try_interchange_loops,
9525 linear_transform_loops): Use VEC instead of VARRAY.
9526 * lambda-mat.c: Don't include varray.h.
9527 * tree-chrec.c: Same.
9528 * lambda-trans.c: Same.
9529 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9530 VEC instead of VARRAY.
9531 * tree-vectorizer.h: Idem.
9532 * tree-data-ref.c (dump_data_references,
9533 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9534 initialize_data_dependence_relation, finalize_ddr_dependent,
9535 compute_all_dependences, find_data_references_in_loop,
9536 compute_data_dependences_for_loop, analyze_all_data_dependences,
9537 free_dependence_relation, free_dependence_relations,
9538 free_data_refs): Idem.
9539 * tree-data-ref.h (data_reference_p, subscript_p): New.
9540 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9541 VEC instead of VARRAY.
9542 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9543 (find_data_references_in_loop, compute_data_dependences_for_loop,
9544 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9545 dump_data_dependence_relations, free_dependence_relations,
9546 free_data_refs): Adjust declaration.
9547 (lambda_transform_legal_p): Move declaration here...
9548 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9549 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9550 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9551 vect_analyze_data_refs): Use VEC instead of VARRAY.
9552 * lambda.h (lambda_transform_legal_p): ...from here.
9553 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9554 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9555 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9556 tree-chrec.o): Don't depend on VARRAY_H.
9558 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9560 * rtl.def (Copyright): Update date.
9561 (DEPS_LIST): Change type of the second operand to 'int'.
9562 * target.h (Copyright): Update date.
9563 (struct gcc_target.speculate_insn): Change type of the second parameter
9565 * lists.c (Copyright): Update date.
9566 (alloc_DEPS_LIST): Change signature. Update reference to the second
9567 operand of the DEPS_LIST.
9568 (copy_DEPS_LIST_list): Update reference to the second operand of the
9570 * rtl.h (Copyright): Update date.
9571 (alloc_DEPS_LIST): Update signature.
9572 * sched-int.h (Copyright): Update date.
9573 (ds_t): Change typedef to 'int'.
9574 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9576 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9578 * haifa-sched.c (Copyright): Update date.
9579 (try_ready): Change condition to restore non-speculative pattern
9581 (process_insn_depend_be_in_spec): Code to keep probability of the
9582 speculative dependence non-decreasing.
9584 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9586 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9587 shut up the compiler.
9589 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9591 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9592 to use lib prefix for target.
9593 ($(T)libic_invalidate_array_4-200.a): Likewise.
9594 ($(T)libic_invalidate_array_4a.a): Likewise.
9596 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9597 J"orn Rennecke <joern.rennecke@st.com>
9599 * superh.opt: New file.
9600 * sh.c (boardtype, osruntime): Remove.
9601 * superh.h (SUBTARGET_OPTIONS): Remove.
9602 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9604 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9605 arguments with ^ and/or [].
9607 * config.gcc (sh-*-*): Add quoting to account for quirk of
9609 Replace == with = in enable_incomplete_targets test.
9611 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9612 with MASK_LITTLE_ENDIAN.
9614 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9615 * config/sh/sh.opt: Added to some comments.
9616 * config/sh/superh.h: Removed some chaff.
9618 * config/sh/sh.opt: Add m4-[1234]00* options.
9619 * config/sh/sh.c (sh_handle_option): Likewise.
9620 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9621 (ic_invalidate_array_4-100.o): New rule.
9622 ($(T)libic_invalidate_array_4-100.a): Likewise.
9623 (ic_invalidate_array_4-200.o): Likewise.
9624 ($(T)libic_invalidate_array_4-200.a): Likewise.
9625 (ic_invalidate_array_4a.o): Likewise.
9626 ($(T)libic_invalidate_array_4a.a): Likewise.
9627 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9628 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9630 * config/sh/crt1.asm: Merged in profiling code.
9631 * config/sh/superh.h (STARTFILE_SPEC): Override.
9632 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9633 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9634 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9636 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9637 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9638 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9640 * sh.opt (mpretend-cmove): New option.
9641 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9642 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9643 (movsicc): Add TARGET_PRETEND_CMOVE code.
9645 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9647 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9648 s390_class_max_nregs): New function prototypes.
9649 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9650 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9651 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9652 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9654 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9656 * dwarf2out.c (add_location_or_const_value_attribute): Call
9657 tree_add_const_value_attribute if nothing else works.
9658 (reference_to_unused): New.
9659 (rtl_for_decl_init): Use reference_to_unused to decide whether
9660 to output an initializer.
9662 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9665 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9666 peephole removing spe frob_di_df_2.
9668 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9670 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9671 (subscript_dependence_tester_1): Declared.
9672 (print_dir_vectors, print_dist_vectors): New.
9673 (debug_data_dependence_relation): New.
9674 (dump_data_dependence_relation): Print more details.
9675 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9676 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9677 (save_dist_v, save_dir_v, add_outer_distances,
9678 build_classic_dist_vector_1): New.
9679 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9680 Don't test for lambda_vector_lexico_pos.
9681 (same_access_functions, add_multivariate_self_dist,
9682 add_other_self_distances, dir_from_dist): New.
9683 (build_classic_dir_vector): Replace implementation almost identical to
9684 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9686 (subscript_dependence_tester_1): New.
9687 (subscript_dependence_tester): Handle the lexicographically negative
9688 distance vectors by recomputing the dependence relation.
9689 (compute_affine_dependence): Remove parameter loop_nest_depth.
9690 (compute_self_dependence): Don't call compute_subscript_distance.
9691 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9692 Add a parameter for the loop_nest.
9693 (find_loop_nest_1, find_loop_nest): New.
9694 (compute_data_dependences_for_loop): Compute the loop nest, and give
9695 up if the nest is not well formed.
9696 * tree-data-ref.h (loop_p): New.
9697 (struct data_dependence_relation): Replace size_vect field with
9698 loop_nest, a vec of loops.
9699 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9700 (DDR_LOOP_NEST): New.
9701 (print_dir_vectors, print_dist_vectors,
9702 debug_data_dependence_relation): Declared.
9703 (index_in_loop_nest): New.
9704 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9705 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9708 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9710 * simplify-rtx.c (simplify_relational_operation): Call
9711 simplify_relational_operation_1 even if mode is VOIDmode.
9713 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9715 PR tree-optimization/26804
9716 * tree.h (DECL_CALL_CLOBBERED): New macro.
9717 (tree_decl_common): Add call_clobbered_flag.
9718 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9719 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9720 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9721 (mark_non_addressable): Ditto.
9722 * tree-ssa.c (verify_call_clobbered): New function.
9723 (verify_alias_info): Use it.
9724 * tree-pass.h (pass_reset_cc_flags): New prototype.
9725 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9726 (reset_cc_flags): New function.
9727 * passes.c (init_optimization_passes): Call reset_cc_flags after
9728 initializing referenced_vars.
9730 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9731 Roger Sayle <roger@eyesopen.com>
9734 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9735 to 1.0 for non-real operands. Implement A / A optimization for
9738 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9740 * config/i386/i386.c (size_cost): Correct the comment for
9741 cost of storing fp registers.
9742 (i386_cost): Likewise.
9743 (i486_cost): Likewise.
9744 (pentium_cost): Likewise.
9745 (pentiumpro_cost): Likewise.
9746 (k6_cost): Likewise.
9747 (athlon_cost): Likewise.
9748 (k8_cost): Likewise.
9749 (pentium4_cost): Likewise.
9750 (nocona_cost): Likewise.
9751 (generic64_cost): Likewise.
9752 (generic32_cost): Likewise.
9754 2006-03-24 Denis Chertykov <denisc@overta.ru>
9756 * config/avr/avr-protos.h (extra_constraint): Delete.
9757 (extra_constraint_Q): New declaration.
9758 * config/avr/constraints.md: New file.
9759 * config/avr/avr.md: Include it.
9760 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9761 (TMP_REGNO, ZERO_REGNO): Likewise.
9762 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9763 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9764 (extra_constraint): Delete.
9765 (extra_constraint_Q): Test for memory constraint 'Q'.
9766 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9767 (REG_CLASS_FROM_LETTER): Delete.
9768 (CONST_OK_FOR_LETTER_P): Delete.
9769 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9770 (EXTRA_CONSTRAINT): Delete.
9771 (TMP_REGNO): Delete.
9772 (ZERO_REGNO): Delete.
9774 2006-03-24 Jeff Law <law@redhat.com>
9776 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9777 directly. Call mark_new_vars_to_rename slightly earlier.
9779 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9781 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9783 (gen_compile_unit_die): Use new language types for Objective-C and
9785 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9786 DW_LANG_C_plus_plus.
9789 * config/t-darwin (crt3.o): Work around bug 26840.
9790 * config/darwin-crt3.c: Rewrite.
9791 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9793 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9795 * doc/invoke.texi: Document -femit-class-debug-always
9796 * common.opt: Add -femit-class-debug-always.
9798 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9800 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9801 index and base register.
9802 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9803 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9804 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9805 REGNO_OK_FOR_INDEX_P.
9806 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9808 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9809 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9810 REG_OK_FOR_BASE_P): Definitions removed.
9812 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9815 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9816 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9817 set yet or weren't marked as local yet.
9819 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9821 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9824 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9826 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9827 (rs6000_legitimate_small_data_p): Delete.
9828 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9829 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9830 and make static. Add forward declaration. Update uses.
9831 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9832 of offsettable_memref_p.
9833 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9834 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9836 2006-03-24 Jeff Law <law@redhat.com>
9838 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9839 around bug in immediate-use iterator.
9841 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9844 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9845 or __LITTLE_ENDIAN__.
9847 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9849 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9850 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9851 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9852 * config/sh/sh.opt (mdiv=): Amend description.
9853 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9854 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9855 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9856 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9857 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9858 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9859 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9860 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9861 TARGET_DIVIDE_CALL_FP.
9863 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9865 * haifa-sched.c (choose_ready): Fix type of the local variable.
9866 Move local variables. Add comment.
9867 (check_reg_live): Change signature. Make callable from debugger.
9868 * sched-int.h (check_reg_live): Update signature.
9869 * sched-ebb.c (check_reg_live): Update parameters.
9870 * sched-rgn.c (check_reg_live): Ditto.
9871 (region_head_or_leaf_p): Check pointer before dereferencing.
9872 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9873 before reload on optimization levels below 1.
9875 2006-03-23 Richard Henderson <rth@redhat.com>
9877 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9881 * config/alpha/predicates.md (local_symbolic_operand): Reject
9884 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9887 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9888 expressions which have overflowed constants.
9890 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9892 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9894 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9896 * cfgloopmanip.c (create_loop_notes): Removed.
9897 * final.c (final_scan_insn): Do not handle loop notes.
9898 * jump.c (squeeze_notes): Ditto.
9899 * cfglayout.c (skip_insns_after_block,
9900 duplicate_insn_chain): Ditto.
9901 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9903 * cfgloop.h (create_loop_notes): Declaration removed.
9905 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9907 * varasm.c (output_constant_pool): Restore fnname and fndecl
9909 (assemble_start_function): Adjust call accordingly.
9910 (assemble_end_function): Likewise.
9912 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9915 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9918 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9920 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9923 * system.h (ICE_EXIT_CODE): New macro.
9924 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9925 (diagnostic_action_after_output): Likewise.
9926 * gcc.c (fatal_ice): New function.
9927 (execute): Use it instead of fatal.
9928 (fancy_abort): Likewise.
9929 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9931 2006-03-22 Jeff Law <law@redhat.com>
9933 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9934 iv_analyze_result returning false.
9936 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9938 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9940 2006-03-22 Richard Henderson <rth@redhat.com>
9943 * except.c (duplicate_eh_regions_0): New.
9944 (duplicate_eh_region_1): Duplicate the children of the node as
9945 well as the node itself. Link them up properly.
9946 (duplicate_eh_region_2): Merge into ...
9947 (duplicate_eh_regions): ... here. Take copy_region argument, and
9948 copy only a sub-tree if asked. Simplify copying and fixup.
9949 (eh_region_outer_p): New.
9950 * except.h (duplicate_eh_regions): Update decl.
9951 (eh_region_outer_p): Declare.
9952 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9953 (lower_omp_master): Likewise.
9954 (lower_omp_ordered): Likewise.
9955 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9956 (move_stmt_r): Use it to remap labels. Handle recursion vs
9957 remap_decls_p properly.
9958 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9959 (find_outermost_region_in_block): New.
9960 (new_label_mapper): New.
9961 (move_sese_region_to_fn): Copy eh information to the new function
9963 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9965 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9968 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9970 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9971 into shared libraries.
9973 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9975 * doc/md.texi: Refer to i386/constraints.md instead of
9977 * config/i386/constraints.md: New file, extracted from...
9978 * config/i386/predicates.md: ...here.
9979 * config/i386/i386.md: Include constraints.md.
9981 2006-03-21 Jason Merrill <jason@redhat.com>
9983 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9986 * expr.c (init_block_move_fn): Force default visibility.
9987 (init_block_clear_fn): Likewise.
9988 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9989 * targhooks.c (default_external_stack_protect_fail): Likewise.
9991 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9993 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9994 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9995 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9996 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9997 (loadgp): Use mips_current_loadgp_style.
9998 (loadgp_noshared): New pattern.
9999 (sibcall_internal): Use MIPS_CALL.
10000 (sibcall_value_internal): Likewise.
10001 (sibcall_value_multiple_internal): Likewise.
10002 (call_internal): Likewise.
10003 (call_value_internal): Likewise.
10004 (call_value_multiple_internal): Likewise.
10005 (call_split): Use MIPS_CALL and add an 'S' constraint.
10006 (call_value_split): Likewise.
10007 (call_value_multiple_split): Likewise.
10008 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10009 (-mshared): New option.
10010 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10011 (mips_current_loadgp_style): Declare.
10012 * config/mips/mips.c (mips_classify_symbol): Avoid using
10013 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10014 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10015 TARGET_ABSOLUTE_ABICALLS.
10016 (override_options): Adjust comments. Improve the warning that is
10017 issued when -mabicalls and -G are used together.
10018 (mips_file_start): Remove comment.
10019 (mips_current_loadgp_style): New function.
10020 (mips_gnu_local_gp): New variable.
10021 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10023 (mips_output_function_prologue): Use mips_current_laodgp_style.
10024 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10025 the cprestore instruction.
10026 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10027 live for TARGET_ABSOLUTE_ABICALLS.
10028 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10029 (ASM_SPEC): Pass down -mshared and -mno-shared.
10030 (MIPS_CALL): New macro.
10031 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10033 * doc/invoke.texi (-mabicalls): Update documentation.
10034 (-mshared): Document.
10036 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10038 * config/ia64/unwind-hpux.c: New file.
10039 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10041 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10044 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10046 2006-03-21 Jeff Law <law@redhat.com>
10048 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10049 type conversions of a VR_VARYING source to a wider type.
10051 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10053 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10054 tm_file on Solaris 10 and later.
10055 (sparc64-*-solaris2*): Likewise.
10056 (sparc-*-solaris2*): Likewise.
10057 * config/sol26.h: Rename to config/sol2-6.h.
10058 * config/sol2-10.h: New file.
10060 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10063 * tree-ssa-pre.c (create_component_ref_by_pieces):
10066 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10069 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10070 return it immediately.
10072 2006-03-21 Michael Matz <matz@suse.de>
10074 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10076 (remove_arc, add_arc): Update num_out_arcs member.
10077 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10079 (cache_presence): New function.
10080 (compare_states_for_equiv): New function.
10081 (state_is_differed): Don't take number of outargs, adjust callers.
10082 Use new invariant for speeding up.
10083 (init_equiv_class): Create initial classes based on sorted
10085 (partition_equiv_class): Don't track out_arcs_num.
10086 (evaluate_equiv_classes): Call cache_presence on all states and
10089 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10091 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10092 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10093 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10094 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10096 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10097 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10098 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10099 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10100 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10102 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10103 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10104 (REGNO_REG_CLASS): ARGP is in PREGS.
10105 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10107 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10108 to deal with those addresses.
10109 * addresses.h: New file.
10110 * caller-save.c: Include "addresses.h".
10111 (init_caller_save): Use new base_reg_class function.
10112 * rtl-factoring.c: Include "addresses.h".
10113 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10114 * recog.c: Include "addresses.h".
10115 (preprocess_constraints): Use new base_reg_class function.
10116 * regrename.c: Include "addresses.h".
10117 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10118 functions. Keep track of a new var INDEX_CODE to compute valid
10120 (replace_oldest_value_addr): Likewise.
10121 (replace_oldest_value_mem): Use base_reg_class.
10122 * reload.c: Include "addresses.h".
10123 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10124 (find_reloads): Use new base_reg_class function.
10125 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10126 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10127 all callers and prototype changed.
10128 * reload1.c: Include "addresses.h".
10129 (maybe_fix_stack_asms): Use base_reg_class.
10130 * regclass.c: Include "addresses.h".
10131 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10132 (init_reg_autoinc): Use new base_reg_class function.
10133 (record_reg_classes): Likewise.
10134 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10135 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10136 Use new args to compute necessary class.
10138 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10139 regrename.o, rtl-factoring.o): Update dependencies.
10140 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10141 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10142 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10143 REG_OK_FOR_INDEX_P): Delete documentation.
10145 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10147 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10148 from V7 to V9 for Solaris 7 and above.
10150 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10152 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10153 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10154 argument pointers may not alias any other storage.
10155 * common.opt: Define option -fargument-noalias-anything.
10156 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10157 alias semantics is specified by flag_argument_noalias > 2.
10159 2006-03-20 Jeff Law <law@redhat.com>
10161 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10162 (pass_phi_only_cprop): Declare.
10163 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10164 with phi_only_cprop
10165 * tree-ssa-dom.c (degenerate_phi_result): New function.
10166 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10167 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10168 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10169 (eliminate_degenerate_phis): Likewise.
10170 (pass_phi_only_cprop): New pass descriptor.
10171 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10172 support code. Callers updated.
10173 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10174 (store_copy_prop): Likewise.
10175 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10177 2006-03-20 Jason Merrill <jason@redhat.com>
10180 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10181 (push_visibility, pop_visibility): Likewise.
10182 * c-pragma.h: Declare them.
10184 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10186 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10188 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10189 parameter and use get_ebb_head_tail.
10190 (sh_md_init_global): Adjust uses of find_regmode_weight.
10192 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10194 * function.h (struct function) <x_tail_recursion_reentry>:
10195 Rename to x_stack_check_probe_note.
10196 (tail_recursion_reentry): Rename to stack_check_probe_note.
10197 * function.c: Replace tail_recursion_reentry with
10198 stack_check_probe_note everywhere.
10199 (expand_function_start): Only emit a note for
10200 stack_check_probe_note with -fstack-protect.
10201 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10203 * emit-rtl.c (remove_unnecessary_notes): Remove.
10204 (pass_remove_unnecessary_notes): Remove.
10205 * rtl.h (remove_unnecessary_notes): Remove prototype.
10206 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10207 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10208 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10210 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10213 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10214 (valid_in_set): Handle ARRAY_REF.
10215 Change "if min_variant or VH" to asserts.
10216 (create_component_ref_by_pieces): Handle ARRAY_REF.
10217 (create_expression_by_pieces): Likewise.
10218 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10220 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10222 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10223 is operand of switch, not str[0].
10225 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10227 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10228 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10230 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10232 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10233 end of insn_extra_address_constraint declaration.
10235 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10237 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10238 (no-sum-in-toc): Same.
10239 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10241 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10242 NO_FP_IN_TOC for -fPIC instead of mask.
10244 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10245 (BOOT_LDFLAGS): Delete.
10247 * config/rs6000/t-aix52: Same.
10249 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10250 (stmsi[345678]_power): New.
10252 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10254 * config/ia64/ia64.opt: Add empty line to end of file.
10256 2006-03-17 Richard Guenther <rguenther@suse.de>
10258 PR middle-end/26721
10259 * builtins.c (get_pointer_alignment): For component style references
10260 adjust alignment to the component type alignment. Make sure
10261 to adjust alignment for component access of constants.
10263 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10265 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10266 unconditional jump.
10268 2006-03-17 Paul Brook <paul@codesourcery.com>
10270 * doc/install.texi: Docuemnt --with-mode.
10271 * config.gcc: Add --with-mode for arm*-*-*.
10272 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10274 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10276 * sh.c (max_labelno_before_reorg): New variable.
10277 (sh_reorg): Initialize it.
10278 (find_barrier): Check max_labelno_before_reorg before using
10279 label_to_alignment. Take length of explicit alignment insns
10280 into account. When seeing a UNSPECV_CONST_END, return it.
10282 * sh.c (fixup_mova): Set mode of affected label to QImode.
10283 (untangle_mova): New function.
10284 (find_barrier): Use it. Check mode of label before decrementing
10286 (sh_reorg): Likewise.
10287 Set mode of all insns back to VOIDmode.
10289 * sh.c (MOVA_LABELREF): New macro.
10290 (mova_p, fixup_mova, sh_reorg): Use it.
10291 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10292 ADDR_DIFF_VEC matches mova.
10294 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10296 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10297 with ATTRIBUTE_UNUSED.
10299 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10301 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10302 pointer, instead of assuming it is possible to derive the
10303 correct args size from a call insn.
10305 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10307 * rtl.h (CONST_INT_P): Define.
10308 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10309 instead of GET_CODE(x) == CONST_INT.
10310 (vax_rtx_costs): Likewise.
10311 (vax_output_int_move): Likewise.
10312 (vax_output_int_add): Likewise.
10313 (legitimate_constant_address_p): Likewise.
10314 (index_term_p): Likewise.
10315 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10316 * config/vax/vax.md (and<mode>3): Likewise.
10317 (ashrsi3): Likewise.
10319 (movstricthi): Likewise.
10320 (movstrictqi): Likewise.
10321 (rotrsi3): Likewise.
10322 (five unnamed insns): Likewise.
10324 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10326 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10327 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10328 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10329 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10330 Pass to ASM_OUTPUT_DWARF_OFFSET.
10331 * dwarf2out.c (debug_frame_section): New.
10332 (output_call_frame_info): Use debug_frame_section. Pass it to
10333 dw2_asm_output_offset.
10334 (output_die): Pass appropriate section to dw2_asm_output_offset.
10335 (output_compilation_unit_header): Likewise.
10336 (output_pubnames): Likewise.
10337 (output_aranges): Likewise.
10338 (enum dw_val_class): Break dw_val_class_lbl_offset into
10339 dw_val_class_lineptr and dw_val_class_macptr.
10340 (add_AT_lbl_offset): Delete.
10341 (add_AT_lineptr): New.
10342 (add_AT_macptr): New.
10343 (AT_lbl): Expect a lineptr or macptr.
10344 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10345 (attr_checksum): Likewise.
10346 (same_dw_val_p): Likewise.
10347 (size_of_die): Likewise.
10348 (value_format): Likewise.
10349 (output_die): Likewise.
10350 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10352 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10353 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10354 * config/darwin-protos.h (darwin_file_start): New.
10355 (darwin_asm_output_dwarf_offset): New.
10356 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10357 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10359 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10360 if not EH section; simplify.
10361 (darwin_file_start): New.
10362 (darwin_asm_output_dwarf_offset): New.
10363 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10365 (DEBUG_INFO_SECTION): Likewise.
10366 (DEBUG_ABBREV_SECTION): Likewise.
10367 (DEBUG_ARANGES_SECTION): Likewise.
10368 (DEBUG_MACINFO_SECTION): Likewise.
10369 (DEBUG_LINE_SECTION): Likewise.
10370 (DEBUG_LOC_SECTION): Likewise.
10371 (DEBUG_PUBNAMES_SECTION): Likewise.
10372 (DEBUG_STR_SECTION): Likewise.
10373 (DEBUG_RANGES_SECTION): Likewise.
10374 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10375 (ASM_OUTPUT_DWARF_OFFSET): New.
10377 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10379 * config.gcc (tm_defines): Always add to previous value rather
10382 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10384 * config/mips/predicates.md (splittable_const_int_operand): New,
10385 split from move_operand.
10386 (splittable_symbolic_operand): New.
10387 (move_operand): Add commentary. Use splittable_const_int_operand.
10388 Inline mips_atomic_symbolic_constant_p.
10389 * config/mips/mips.md: Add combine splitters for handling moves
10390 of splittable_const_int_operands and splittable_symbolic_operands.
10391 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10392 (mips_split_symbol): Declare.
10393 (mips_move_integer): Declare.
10394 * config/mips/mips.c (mips_split_p): Make global.
10395 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10396 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10397 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10398 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10399 (mips_offset_within_object_p): Handle block symbols.
10400 (mips_atomic_symbolic_constant_p): Delete.
10401 (mips_cannot_force_const_mem): Return false for constants that
10402 mips_legitimize_move can handle.
10403 (mips_use_blocks_for_constant_p): New function.
10404 (mips_split_symbol): Make global.
10405 (mips_move_integer): Likewise. Add a temporary register argument.
10406 (mips_legitimize_const_move): Use splittable_const_int_operand and
10407 splittable_symbolic_operand.
10408 (mips_use_anchors_for_symbol_p): New function.
10409 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10410 (mips_split_p): Declare.
10412 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10414 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10415 (mips*-*-linux*): Likewise.
10417 2006-03-16 Roger Sayle <roger@eyesopen.com>
10418 Daniel Speyer <dspeyer@wam.umd.edu>
10420 PR middle-end/18259
10421 * tree-dump.c (dump_real): New function.
10422 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10423 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10424 (tree-dump.o): Add $(REAL_H) to the dependencies.
10426 2006-03-16 Roger Sayle <roger@eyesopen.com>
10428 PR middle-end/21781
10429 * real.c (real_from_string): If the mantissa is zero, don't bother
10430 parsing the exponent as the result should always be zero.
10432 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10434 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10436 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10438 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10439 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10440 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10441 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10442 ia64_sched_finish_global): New static functions to implement
10443 hooks from gcc_target.sched.
10444 (spec_check_no, max_uid, pending_data_specs): New static variables.
10445 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10446 ia64_spec_check_src_p): New static functions.
10447 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10448 (TARGET_SCHED_ADJUST_COST): Removed.
10449 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10450 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10451 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10452 TARGET_SCHED_GEN_CHECK,
10453 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10454 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10455 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10456 Fixed to handle speculation checks.
10457 (rtx_needs_barrier): Fixed to handle speculative loads and
10459 (ia64_variable_issue): Added code to count speculative loads and their
10461 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10463 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10465 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10467 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10468 (ia64_reorg): Reset stops_p to NULL after it is freed.
10469 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10470 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10471 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10473 (data_speculative, control_speculative, check_load): New attributes.
10474 (mov<mode>_advanced, mov<mode>_speculative,
10475 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10476 zero_extend<mode>di2_speculative,
10477 zero_extend<mode>di2_speculative_advanced): New patterns for
10478 data and control speculative loads.
10479 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10481 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10482 New pattern for data and control speculation checks.
10483 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10484 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10485 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10486 Auxiliary definitions for the patterns.
10487 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10488 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10490 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10492 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10493 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10494 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10495 New resource constraints.
10496 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10498 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10499 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10500 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10501 msched-in-control-spec, msched-ldc, msched-control-ldc,
10502 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10503 msched-prefer-non-control-spec-insns,
10504 msched-count-spec-in-critical-path): New flags to tune speculative
10506 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10507 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10508 msched-in-control-spec, msched-ldc, msched-control-ldc,
10509 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10510 msched-prefer-non-control-spec-insns,
10511 msched-count-spec-in-critical-path): Document new flags.
10513 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10515 * target.h (struct spec_info_def): New opaque declaration.
10516 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10517 speculate_insn, needs_block_p, gen_check,
10518 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10519 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10520 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10521 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10522 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10523 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10525 (TARGET_SCHED): Use new macros.
10526 * rtl.h (copy_DEPS_LIST_list): New prototype.
10527 * sched-int.h (struct sched_info): Change signature of new_ready field,
10528 adjust all initializations. New fields: add_remove_insn,
10529 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10530 region_head_or_leaf_p.
10531 (struct spec_info_def): New structure declaration.
10532 (spec_info_t): New typedef.
10533 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10534 recovery_block, orig_pat.
10535 (glat_start, glat_end): New variables declaraions.
10536 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10538 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10539 DETACH_LIFE_INFO, USE_GLAT.
10540 (enum SPEC_SCHED_FLAGS): New enumeration.
10541 (NOTE_NOTE_BB_P): New macro.
10542 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10543 attach_life_info, debug_spec_status, check_reg_live): New functions.
10544 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10545 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10547 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10548 * ddg.c (get_block_head_tail): Adjust all uses.
10549 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10550 (sms_sched_info): Initialize new fields.
10551 (contributes_to_priority): Removed.
10552 * haifa-sched.c (params.h): New include.
10553 (get_block_head_tail): Adjust all uses.
10554 (ISSUE_POINTS): New macro.
10555 (glat_start, glat_end): New global variables.
10556 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10557 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10558 old_last_basic_block, before_recovery, current_sched_info_var,
10559 rgn_n_insns, luid): New static variables.
10560 (insn_cost1): New function. Move logic from insn_cost to here.
10561 (find_insn_reg_weight1): New function. Move logic from
10562 find_insn_reg_weight to here.
10563 (reemit_notes, move_insn, max_issue): Change signature.
10564 (move_insn1): Removed.
10565 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10566 extend_bb): New static functions to support extension of scheduler's
10568 (generate_recovery_code, process_insn_depend_be_in_spec,
10569 begin_speculative_block, add_to_speculative_block,
10570 init_before_recovery, create_recovery_block, create_check_block_twin,
10571 fix_recovery_deps): New static functions to support
10572 generation of recovery code.
10573 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10574 restore_bb_notes, move_block_after_check, move_succs): New static
10575 functions to support ebb scheduling.
10576 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10577 functions to support handling of register live information.
10578 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10579 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10580 add_jump_dependencies): New static functions.
10581 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10582 consistancy checking.
10583 (debug_spec_status): New function to call from debugger.
10584 (priority): Added code to handle speculation checks.
10585 (rank_for_schedule): Added code to distinguish speculative instructions.
10586 (schedule_insn): Added code to handle speculation checks.
10587 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10588 Fixed to handle ebbs.
10589 (move_insn): Added code to handle ebb scheduling.
10590 (max_issue): Added code to use ISSUE_POINTS of instructions.
10591 (choose_ready): Added code to choose between speculative and
10592 non-speculative instructions.
10593 (schedule_block): Added code to handle ebb scheduling and scheduling of
10594 speculative instructions.
10595 (sched_init): Initialize new variables.
10596 (sched_finish): Free new variables. Print statistics.
10597 (try_ready): Added code to handle speculative instructions.
10598 * lists.c (copy_DEPS_LIST_list): New function.
10599 * sched-deps.c (extend_dependency_caches): New function. Move logic
10600 from create_dependency_caches to here.
10601 (get_dep_weak, ds_merge): Make global.
10602 * genattr.c (main): Code to output prototype for
10603 dfa_clear_single_insn_cache.
10604 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10605 (output_dfa_clean_insn_cache_func): Code to output
10606 dfa_clear_single_insn_cache function.
10607 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10609 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10611 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10612 New static variables.
10613 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10614 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10616 (ebb_sched_info): Initialize new fields.
10617 (get_block_head_tail): Adjust all uses.
10618 (compute_jump_reg_dependencies): Fixed to use glat_start.
10619 (schedule_ebb): Code to remove unreachable last block.
10620 (schedule_ebbs): Added code to update register live information.
10621 * sched-rgn.c (region_sched_info): Initialize new fields.
10622 (get_block_head_tail): Adjust all uses.
10623 (last_was_jump): Removed. Adjust users.
10624 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10625 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10626 Implement new hooks.
10627 (check_dead_notes1): New static function.
10628 (struct region): New fields: dont_calc_deps, has_real_ebb.
10629 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10630 (BB_TO_BLOCK): Fixed to handle EBBs.
10631 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10632 (ebb_head): New static variable.
10633 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10634 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10636 (compute_dom_prob_ps): New assertion.
10637 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10638 global_live_at_start.
10639 (init_ready_list): New assertions.
10640 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10641 (new_ready): Add support for BEGIN_CONTROL speculation.
10642 (schedule_insns): Fixed code that updates register live information
10644 (schedule_region): Fixed to handle EBBs.
10645 (init_regions): Use extend_regions and check_dead_notes1.
10646 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10647 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10648 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10649 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10650 TARGET_SCHED_GEN_CHECK,
10651 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10652 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10653 * doc/invoke.texi (max-sched-insn-conflict-delay,
10654 sched-spec-prob-cutoff): Document.
10656 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10658 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10659 inter_tick, queue_index.
10660 (struct sched_info): Change signature of init_ready_list field.
10661 Adjust all initializations.
10662 (RESOLVED_DEPS): New access macro.
10663 (ready_add): Remove prototype.
10664 (try_ready): Add prototype.
10665 * sched-rgn.c (init_ready_list): Use try_ready.
10666 (schedule_region): Initialize
10667 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10668 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10669 (init_ready_list): Use try_ready.
10670 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10671 * lists.c (remove_list_elem): Remove `static'.
10672 (remove_free_INSN_LIST_elem): New function.
10673 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10674 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10675 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10677 (readyp): New variable.
10678 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10679 change_queue_index, resolve_dep): New static functions.
10680 (try_ready): New function. Adjust callers in sched-rgn.c and
10681 sched-ebb.c to use it instead of ready_add.
10682 (clock_var): Move at the begining of file.
10683 (rank_for_schedule): Fix typo.
10684 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10685 (ready_lastpos): Enforce assertion.
10686 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10687 update all callers.
10688 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10689 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10690 (queue_to_ready): Use free_INSN_LIST_list.
10691 (early_queue_to_ready): Fix typo.
10692 (schedule_block): Init readyp. Move init_ready_list call after the
10693 initialization of clock_var. Fix error in rejecting insn by
10694 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10695 that previously corrected INSN_TICKs. Add code for handling
10697 (set_priorities): Fix typo.
10698 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10699 Clarify comment and code that keeps current_sched_info->next_tail
10702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10704 * sched-rgn.c (extend_rgns): New static function.
10705 (find_rgns): Use it.
10706 (gather_region_statistics, print_region_statistics): New static
10708 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10709 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10712 Andrey Belevantsev <abel@ispras.ru>
10714 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10715 * lists.c (unused_deps_list): New variable.
10716 (free_list): Add assertions to verify the proper distinguishing
10717 between INSN_LISTs and DEPS_LISTs.
10718 (find_list_elem, remove_list_elem, remove_list_node): New static
10720 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10721 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10722 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10723 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10725 (free_INSN_LIST_node): Likewise.
10726 * modulo-sched.c (current_sched_info): Initialize flags field.
10727 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10728 * rtl.def (DEPS_LIST): Define.
10729 * rtl.h: Declare new functions from lists.c.
10730 * sched-deps.c (spec_dependency_cache): New static variable.
10731 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10732 (add_dependence): Change return type to void. Move the logic to ...
10733 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10734 (delete_all_dependences): Add comment about forward_dependency_cache.
10735 Handle spec_dependency_cache. Handle DEPS_LISTs.
10736 (fixup_sched_groups): Clarify the change of priority of output
10737 and anti dependencies.
10738 (sched_analyze_2): Adjust add_dependence calls to create data
10739 speculative dependence.
10740 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10741 Adjust all callers. Handle DEPS_LISTS.
10742 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10743 presence of speculation.
10744 (init_dependency_caches, free_dependency_caches):
10745 Handle spec_dependency_cache.
10746 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10747 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10748 New static functions.
10749 (add_or_update_back_dep, add_or_update_back_forw_dep,
10750 add_back_forw_dep, delete_back_forw_dep): New functions.
10751 * sched-int.h (ds_t, dw_t): New typedefs.
10752 (struct sched_info): Add new field flags.
10753 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10754 Prototype new sched-deps.c functions.
10755 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10756 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10757 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10758 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10759 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10760 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10762 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10764 * sched-rgn.c (current_sched_info): Initialize flags field.
10765 (schedule_insns): Initialize current_sched_info before the sched_init
10767 * sched-ebb.c (current_sched_info): Initialize flags field.
10768 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10769 Call add_or_update_back_dep instead of add_dependence.
10770 Create control speculative dependencies.
10771 (schedule_insns): Initialize current_sched_info before the sched_init
10774 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10776 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10778 (sh_fallback_frame_state): Likewise.
10780 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10782 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10783 Do switch on default_use_cxa_atexit.
10784 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10785 * config/darwin-crt3.o: New.
10786 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10787 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10788 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10790 * config/rs6000/t-darwin: Move crt2.o building to here.
10791 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10792 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10795 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10797 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10798 from '! xxx' to '!xxx' for coding-style conformance.
10799 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10800 (EXTRA_CONSTRAINT): Likewise.
10801 * config/vax/vax.md (four unnamed insns): Likewise.
10803 2006-03-15 Paul Brook <paul@codesourcery.com>
10805 * config/arm/arm.c (minipool_pad): New.
10806 (add_minipool_forward_ref): Include pool alignment padding in address
10808 (push_minipool_fix): Set minipool_pad.
10809 (minipool_pad): Ditto.
10811 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10813 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10814 instead of GET_CODE() == MEM and REG_P() instead of
10816 (print_operand_address): Likewise.
10817 (vax_address_cost): Likewise.
10818 (vax_rtx_costs): Likewise.
10819 (vax_notice_update_cc): Likewise.
10820 (vax_output_int_add): Likewise.
10821 (INDEX_REGISTER_P): Likewise.
10822 (BASE_REGISTER_P): Likewise.
10823 (nonindexed_address_p): Likewise.
10824 (vax_mode_dependent_address_p): Likewise.
10825 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10826 (PRINT_OPERAND): Likewise.
10827 * config/vax/vax.md (ashlsi3): Likewise.
10828 (ashlsi3): Likewise.
10829 (some more unnamed insns): Likewise.
10831 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10833 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10834 iterator-style macro.
10835 (mark_control_dependent_edges_necessary): Update the use of
10836 EXECUTE_IF_CONTROL_DEPENDENT.
10838 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10840 * config/sh/predicates.md (cache_address_operand): Special.
10841 (ua_address_operand): Likewise.
10843 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10845 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10847 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10849 2006-03-15 Andreas Schwab <schwab@suse.de>
10851 * gensupport.c (identify_predicable_attribute): Don't free p_false
10852 when it is still in use.
10854 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10856 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10857 the default setting here.
10859 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10861 * tree-pass.h (pass_cfg): Remove.
10862 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10863 * passes.c (pass_cfg): Don't run it.
10865 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10867 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10868 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10870 (stack_regs_mentioned): Update the uses of
10871 stack_regs_mentioned_data. Don't access the array beyond its
10873 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10874 Don't include gt-reg-stack.h.
10876 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10877 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10879 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10881 PR middle-end/26684
10882 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10885 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10887 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10889 2006-03-14 Richard Guenther <rguenther@suse.de>
10891 PR tree-optimization/26672
10892 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10895 2006-03-14 Richard Guenther <rguenther@suse.de>
10897 PR tree-optimization/26667
10898 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10899 node for the callees. Always allow inlining if it will shrink
10902 2006-03-14 Richard Guenther <rguenther@suse.de>
10904 PR middle-end/26659
10905 * builtins.c (get_pointer_alignment): Prefer alignment
10906 information from decls over that from types.
10908 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10911 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10913 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10915 * config/rs6000/rs6000.opt (mdlmzb): New option.
10916 (msched-prolog, msched-epilog): Use Var not Mask.
10917 * doc/invoke.texi (-mdlmzb): Document.
10918 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10920 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10921 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10923 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10925 PR rtl-optimization/25739
10926 * bt-load.c (augment_live_range): Free tos pointer.
10928 * gensupport.c (identify_predicable_attribute): Free
10930 * gcov.c (create_file_names): Free name pointer.
10932 2006-03-13 Roger Sayle <roger@eyesopen.com>
10934 PR middle-end/26557
10935 * stmt.c (emit_case_nodes): Handle the case where the index is a
10936 CONST_INT, where the comparison mode is specified by the index type.
10938 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10940 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10943 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10945 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10946 (*branch_fp_inverted): Likewise.
10948 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10950 PR middle-end/25989
10951 * omp-low.c (expand_omp_for_generic): Mark istart0
10952 and iend0 as addressable.
10954 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10956 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10958 2006-03-13 Jeff Law <law@redhat.com>
10960 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10961 virtual operands are interesting.
10962 (vrp_visit_stmt): Corresponding changes.
10964 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10966 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10968 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10969 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10970 * config/bfin/crti.S: Use it instead of __PIC__.
10971 * config/bfin/crtn.S: Likewise.
10973 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10974 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10976 Lose 'G' modifier for call operand.
10977 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10978 recognize 'G' modifier.
10980 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10982 PR middle-end/18859
10983 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10984 * stmt.c (expand_case): Likewise.
10986 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10988 PR rtl-optimization/26254
10989 * loop-invariant.c (seq_insns_valid_p): New function.
10990 (move_invariant_reg): Only emit new code if it is valid.
10992 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10994 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10996 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10997 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10998 (commit_one_edge_insertion): Do not look for loop notes.
11000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11002 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11003 flag_test_coverage out of loop.
11005 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11007 * final.c (shorten_branches): Remove outdated comment, and turn
11008 the if branch that guards it to continue.
11010 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11012 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11013 * cfgloop.h (struct loop): Remove unused fields.
11015 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11017 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11018 (-dL, -fdump-rtl-loop2): Update the dump file names
11020 * doc/invoke.texi: Update dump file names.
11022 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11024 * predict.c (estimate_probability): Remove.
11025 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11026 * basic-block.h (estimate_probability): Remove prototype.
11027 * passes.c (finish_optimization_passes): Dump branch prediction or
11028 profiling heuristics to the .profile tree dump.
11029 (init_optimization_passes): Unqueue pass_branch_prob.
11031 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11033 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11035 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11036 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11038 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11040 * function.h (frame_offset_overflow): Declare.
11041 * function.c (frame_offset_overflow): New function.
11042 (assign_stack_local_1): Call it to detect that the offset overflows.
11043 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11045 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11047 * config/sh/sh.c: Include alloc-pool.h.
11048 (label_ref_list_pool): New alloc pool.
11049 (label_ref_list_t): New type for lists of labels.
11050 (struct pool_node): Make wend a label_ref_list_t.
11051 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11053 (dump_table): Likewise.
11054 (sh_reorg): Set up the alloc pool before using add_constant and
11055 dump_table, and destroy it when finishing.
11057 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11059 * config/mips/mips.c: Remove redundant comment.
11061 2006-03-10 Jason Merrill <jason@redhat.com>
11064 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11065 the target was declared 'register'.
11067 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11069 * genpreds.c (write_insn_constraint_len): Change definition of
11070 insn_constraint_len to return size_t to match the declaration.
11072 2006-03-10 DJ Delorie <dj@redhat.com>
11074 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11076 (m32c_expand_insv): Fix test for an AND mask.
11078 2006-03-10 Richard Guenther <rguenther@suse.de>
11080 PR middle-end/26565
11081 * builtins.c (get_pointer_alignment): Handle component
11082 references for field alignment.
11084 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11086 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11087 when building with libgloss.
11088 (sh*elf): Implement --without-fp option.
11089 (sh64-superh-linux*): Don't multilib.
11091 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11093 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11095 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11097 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11098 Set it when one of the replacement functions returned true.
11099 Return TODO_cleanup_cfg if cfgchanged is true.
11100 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11102 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11104 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11105 instead of gen_lowpart.
11107 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11109 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11111 (mips_output_order_conditional_branch): Declare.
11112 * config/mips/mips.h (MIPS_BRANCH): New macro.
11113 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11114 for the comparison. Use gen_condjump.
11115 (mips_output_conditional_branch): Rework interface to take the
11116 asm templates for a direct branch and the inverse of a direct branch.
11117 (mips_output_order_conditional_branch): New function.
11118 (mips_builtin_branch_and_move): New function.
11119 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11120 branch condition. Use gen_single_cc as the condition for
11121 __builtin_mips_upper_* or __builtin_mips_lower_*.
11122 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11123 Use VOIDmode for the branch condition.
11124 * config/mips/predicates.md (order_operator): New predicate.
11125 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11126 (branch_fp): Rename to...
11127 (*branch_fp): ...this. Remove mode from comparison operator.
11128 Use new mips_output_conditional_branch interface.
11129 (branch_fp_inverted): Rename to...
11130 (*branch_fp_inverted): ...this and update as for *branch_fp.
11131 (*branch_zero<mode>): Rename to...
11132 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11133 Use mips_output_order_conditional_branch. Only accept ordered
11135 (*branch_zero<mode>_inverted): Rename to...
11136 (*branch_order<mode>_inverted): ...this and update as for
11137 *branch_order<mode>.
11138 (*branch_equality<mode>): Accept zero as the second operand to
11139 the equality operator. Use the new mips_output_conditional_branch
11141 (*branch_equality<mode>_inverted): Likewise.
11142 (condjump): New expander.
11143 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11145 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11146 (bc1any2t, bc1any2f): Likewise.
11147 (single_cc): New expander.
11148 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11150 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11152 * doc/md.texi: Update documentation of MIPS constraints.
11153 * config/mips/constraints.md: New file.
11154 * config/mips/mips.md: Include it.
11155 * config/mips/mips.c (mips_char_to_class): Delete.
11156 (override_options): Don't initialize mips_char_to_class.
11157 * config/mips/mips.h (mips_char_to_class): Delete.
11158 (REG_CLASS_FROM_LETTER): Delete.
11159 (CONST_OK_FOR_LETTER_P): Delete.
11160 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11161 (EXTRA_CONSTRAINT_Y): Delete.
11162 (EXTRA_CONSTRAINT_STR): Delete.
11163 (CONSTRAINT_LEN): Delete.
11164 (EXTRA_MEMORY_CONSTRAINT): Delete.
11166 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11168 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11169 original fn's eh regions.
11171 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11173 * fold-const.c (build_range_check): Make sure to use a valid type to
11174 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11177 (range_predecessor): New static function.
11178 (range_successor): Likewise.
11179 (merge_ranges): Use them to compute predecessors and successors of
11182 2006-03-09 Roger Sayle <roger@eyesopen.com>
11184 PR middle-end/26561
11185 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11186 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11188 2006-03-08 DJ Delorie <dj@redhat.com>
11190 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11191 (addpsi3): Expand to include memory operands. Remove
11192 reload-specific splits.
11193 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11194 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11195 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11196 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11197 (shift1_qi, shift1_hi, insv): New.
11198 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11199 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11200 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11202 * config/m32c/m32c-protos.h: Update as needed.
11203 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11204 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11205 Fail for unrecognized R* constraints.
11206 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11207 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11208 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11210 (m32c_init_libfuncs): New.
11211 (m32c_legitimate_address_p): Add debug wrapper.
11212 (m32c_rtx_costs): New.
11213 (m32c_address_cost): New.
11214 (conversions): Add 'B' prefix.
11215 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11216 operands, or word regnames for QI operands. 'B' prints bit
11218 (m32c_expand_setmemhi): New.
11219 (m32c_expand_movmemhi): New.
11220 (m32c_expand_movstr): New.
11221 (m32c_expand_cmpstr): New.
11222 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11223 (m32c_expand_neg_mulpsi3): Handle non-ints.
11224 (m32c_cmp_flg_0): New.
11225 (m32c_expand_movcc): New.
11226 (m32c_expand_insv): New.
11227 (m32c_scc_pattern): New.
11228 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11229 a0/a1 out of SIregs.
11230 (STORE_FLAG_VALUE): New.
11231 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11234 * config/m32c/mov.md: Make constraints more liberal.
11235 (zero_extendqihi2): Optimize r0/r1 case.
11236 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11237 * config/m32c/predicates.md (m32c_any_operand): New.
11238 (m32c_nonimmediate_operand): New.
11239 (m32c_hl_operand): New.
11240 (m32c_r3_operand): New.
11243 (memsym_operand): New.
11244 (memimmed_operand): New.
11245 (a_qi_operand): New.
11246 (m32c_eqne_operator): New.
11247 (m32c_1bit8_operand): New.
11248 (m32c_1bit16_operand): New.
11249 (m32c_1mask8_operand): New.
11250 (m32c_1mask16_operand): New.
11251 * config/m32c/blkmov.md: New file.
11252 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11254 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11256 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11257 unsigned to fix signed/unsigned comparison issue in
11258 DWARF2_FRAME_REG_OUT.
11259 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11260 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11262 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11263 of ptr into the ENABLE_CHECKING section.
11265 2006-03-08 Jeff Law <law@redhat.com>
11267 * tree-vrp.c (infer_value_range): Only count pointer uses
11268 and dereferences if -fdelete-null-pointer-checks is enabled.
11270 * tree-vrp.c (find_assert_locations): Infer value ranges for
11271 single use pointers, but do not create ASSERT_EXPRs for them.
11272 When a non-null range is inferred for a pointer, backwards
11273 propagate that range to other equivalent pointers through the
11276 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11279 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11280 language hook targets.
11281 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11282 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11283 if language hook targets were missing.
11285 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11287 * tree-ssa-opfinalize.h: Removed.
11288 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11290 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11291 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11292 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11293 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11294 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11295 finalize_ssa_v_must_def_ops): New.
11297 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11299 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11300 block as parameter.
11302 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11304 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11306 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11307 addresses with offsets; reorganize.
11309 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11310 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11311 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11313 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11316 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11318 2006-03-08 Ben Elliston <bje@au.ibm.com>
11320 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11322 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11325 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11328 2006-03-07 Richard Guenther <rguenther@suse.de>
11330 PR tree-optimization/26587
11331 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11333 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11335 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11337 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11339 * hooks.c (hook_bool_mode_rtx_true): New function.
11340 * hooks.h (hook_bool_mode_rtx_true): Declare.
11341 * toplev.c (compile_file): Call output_shared_constant_pool.
11342 * varasm.c (shared_constant_pool): New variable.
11343 (assemble_start_function, assemble_end_function): Remove arguments
11344 from call to output_constant_pool.
11345 (create_constant_pool): New function, split out from...
11346 (init_varasm_status): ...here.
11347 (force_const_mem): Choose between the shared and per-function constant
11348 pools. Set current_function_uses_const_pool when reusing old entries
11349 as well as when creating new ones.
11350 (mark_constant): Ignore data argument.
11351 (mark_constants): Remove pool argument.
11352 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11353 to decide whether the function uses a constant pool.
11354 (output_constant_pool_contents): New function, split out from...
11355 (output_constant_pool): ...here.
11356 (output_shared_constant_pool): New function.
11357 (init_varasm_once): Initialize shared_constant_pool.
11358 * output.h (output_constant_pool): Delete.
11359 (output_shared_constant_pool): Declare.
11360 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11361 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11363 2006-03-06 Nick Clifton <nickc@redhat.com>
11365 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11366 flag_strength_reduce.
11368 2006-03-06 Ben Elliston <bje@au.ibm.com>
11370 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11371 x86_64-*-linux* configurations.
11373 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11374 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11376 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11378 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11380 * basic-block.h: Remove the extern for
11381 rediscover_loops_after_threading.
11383 * cfgloop.c (cancel_loop): Make it static.
11384 * cfgloop.h: Remove the prototype for cancel_loop.
11386 * flow.c (recompute_reg_usage): Make it static.
11387 * rtl.h: Remove the prototype for recompute_reg_usage.
11389 * function.c (use_return_register): Make it static.
11390 * function.h: Remove the prototype.
11392 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11394 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11396 * recog.h: Remove the prototype for
11397 validate_change_maybe_volatile.
11399 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11401 * rtlanal.c (replace_reg): Remove.
11402 * rtl.h: Remove the prototype for replace_reg.
11404 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11406 * regclass.c (reg_scan_update): Remove.
11407 (reg_scan_mark_refs): Remove the last argument.
11408 * rtl.h: Remove the prototype for reg_scan_update.
11410 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11412 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11413 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11414 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11415 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11416 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11417 loop-invariant.c, omp-low.c, opts.c, passes.c,
11418 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11419 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11420 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11421 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11422 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11423 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11425 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11427 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11428 * dwarf2out.h: Remove the prototype for
11429 dwarf2out_add_library_unit_info.
11431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11433 * tree.c (add_var_to_bind_expr): Remove.
11434 * tree.h: Remove the prototype for add_var_to_bind_expr.
11436 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11438 * regclass.c (n_non_fixed_regs): Remove.
11439 (init_reg_sets_1, globalize_reg): Remove all uses of
11441 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11445 * rtlanal.c (insns_safe_to_move_p): Remove.
11446 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11448 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11450 * expmed.c (expand_mult_add): Remove.
11451 * expr.h: Remove the prototype for expand_mult_add.
11453 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11455 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11456 and REG_SAVED_VAL_EXP constants.
11457 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11458 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11459 Handle regs stored by value.
11460 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11461 (execute_cfa_program): Handle DW_CFA_val_offset,
11462 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11463 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11464 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11465 (uw_install_context_1): Handle target regs stored by value.
11467 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11469 * tree-sra.c (tree_sra): Return todoflags;
11470 (generate_one_element): Set TODO_update_smt_usage if needed.
11471 (pass_sra): Remove TODO_update_smt_usage.
11472 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11474 (tree_ssa_forward_propagate_single_use_vars): Return
11475 TODO_update_smt_usage if we need to update SMT usage.
11476 (pass_forwprop): Remove TODO_update_smt_usage.
11478 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11480 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11481 (correct_use_link): Remove reference to get_stmt_operands.
11482 (update_stmt_operands): Likewise.
11483 (get_modify_expr_operands): New function factored out of
11484 parse_ssa_operands and get_expr_operands.
11485 Try to create V_MUST_DEFs for LHS by default.
11486 (get_expr_operands) <case MODIFY_EXPR>: Call
11487 get_modify_expr_operands.
11488 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11489 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11490 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11491 get_modify_expr_operands.
11493 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11495 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11496 * tree-flow.h: Remove the prototype for
11497 referenced_var_lookup_if_exists.
11499 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11501 PR rtl-optimization/26345
11503 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11505 2006-03-03 Roger Sayle <roger@eyesopen.com>
11507 PR tree-optimization/26524
11508 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11509 fold_convert to create a constant of the appropriate type.
11511 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11513 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11514 SYMBOL_REF_IN_BLOCK_P.
11515 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11516 of SYMBOL_FLAG_IN_BLOCK.
11517 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11518 instead of SYMBOL_REF_IN_BLOCK_P.
11519 * explow.c (use_anchored_address): Likewise.
11520 * rtl.c (rtx_size): Likewise.
11521 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11522 instead of SYMBOL_FLAG_IN_BLOCK.
11523 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11524 SYMBOL_REF_IN_BLOCK_P.
11525 (assemble_variable): Likewise.
11526 (output_constant_def_contents): Likewise.
11527 (output_constant_pool): Likewise.
11528 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11529 instead of SYMBOL_FLAG_IN_BLOCK.
11530 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11531 SYMBOL_REF_IN_BLOCK_P.
11532 (SYMBOL_REF_BLOCK): Likewise.
11533 (SYMBOL_REF_OFFSET): Likewise.
11534 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11535 SYMBOL_REF_IN_BLOCK_P.
11536 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11537 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11538 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11539 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11541 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11543 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11545 2006-03-02 Roger Sayle <roger@eyesopen.com>
11547 * simplify-rtx.c (simplify_unary_operation): When simplifying
11548 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11549 that we perform the right shift in the appropriate mode, and
11550 then extend or truncate the result to requested mode.
11552 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11554 * gengtype.c (main): Handle double_int type.
11555 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11556 * double-int.c: New file.
11557 * double-int.h: New file.
11558 * system.h: Include doubleint.h.
11559 * Makefile.in (SYSTEM_H): Include double-int.h.
11560 (double-int.o): Add.
11562 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11565 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11568 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11570 * tree-vrp.c (remove_range_assertions): Do not update statements
11573 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11575 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11577 * gcse.c (rest_of_handle_gcse): Ditto.
11578 * except.c (gate_handle_eh): Ditto.
11579 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11580 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11582 2006-03-02 Eric Christopher <echristo@apple.com>
11584 * config/i386/i386.c (machopic_output_stub): Add indirection to
11587 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11591 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11593 Sun Niagara specific optimizations.
11594 * config.gcc: Recognize niagara as target.
11595 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11596 (TARGET_CPU_niagara): Define.
11597 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11598 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11599 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11600 (ASM_CPU_SPEC): Likewise.
11601 (PROCESSOR_NIAGARA): New enum entry.
11602 (REGISTER_MOVE_COST): Handle Niagara.
11603 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11604 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11605 (sparc_override_options): Recognize "niagara", set appropriate
11606 default MASK_* values for it, and align functions to 32-bytes
11607 by default just like ULTRASPARC/ULTRASPARC3.
11608 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11609 (sparc64_initialize_trampoline): Likewise.
11610 (sparc_use_sched_lookahead): Use zero for niagara.
11611 (sparc_issue_rate): Use one for niagara.
11612 * config/sparc/niagara.md: New file.
11613 * config/sparc/sparc.md: Include it.
11614 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11615 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11616 when default cpu is niagara.
11617 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11618 (ASM_CPU_SPEC): Likewise.
11619 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11620 when default cpu is niagara.
11621 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11622 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11623 just like v9/ultrasparc/ultrasparc3.
11624 * doc/invoke.texi: Add documentation for "niagara" and improve
11625 existing documentation for ultrasparc variants.
11627 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11629 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11631 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11633 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11634 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11635 and say that only one is needed.
11636 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11637 * target.h (have_switchable_bss_sections): New hook.
11638 * explow.c (use_anchored_address): Check that the symbol is in a block.
11639 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11640 (bss_noswitch_section): New variables.
11641 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11642 (get_noswitch_section): New function.
11643 (get_block_for_section): Allow SECT to be null.
11644 (unlikely_text_section_p): Use SECTION_STYLE.
11645 (bss_initializer_p): New function.
11646 (get_variable_section): Move earlier in file. Take a new argument,
11647 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11648 Return one of the new *_sections in such cases.
11649 (get_block_for_decl): New function, extracting some logic from
11650 use_blocks_for_decl_p.
11651 (change_symbol_section): Remove in favor of...
11652 (change_symbol_block): ...this new function.
11653 (use_blocks_for_decl_p): Remove checks now performed by
11654 get_block_for_decl.
11655 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11656 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11657 (emit_local, emit_bss, emit_common): ...these new functions.
11658 Return true if the alignment was honored.
11659 (emit_tls_common): New function.
11660 (asm_emit_uninitialised): Delete.
11661 (assemble_variable_noswitch): New function, split out from...
11662 (assemble_variable): ...here. Don't make decisions about common
11663 variables here. Globalize all public decls that go into non-common
11664 sections. Check whether SYMBOL_REF_BLOCK is null.
11665 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11666 (output_constant_pool): Likewise.
11667 (init_varasm_once): Initialize the new section variables.
11668 (have_global_bss_p): New function.
11669 (categorize_decl_for_section): Use bss_initializer_p.
11670 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11671 (place_block_symbol): Assert that the symbol must be in a block.
11672 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11673 (TARGET_INITIALIZER): Include it.
11674 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11675 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11676 (SECTION_MACH_DEP): Bump by two.
11677 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11678 (unnamed_section): Mention SECTION_UNNAMED in comment.
11679 (named_section): Likewise SECTION_NAMED.
11680 (noswitch_section_callback): New type.
11681 (noswitch_section): New structure.
11682 (section): Add a noswitch_section alternative.
11683 (SECTION_STYLE): New macro.
11684 (tls_comm_section, comm_section, lcomm_section): Declare.
11685 (bss_noswitch_section, have_global_bss_p): Declare.
11686 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11687 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11689 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11690 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11693 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11695 * tree-vrp.c (execute_vrp): Return value.
11696 * regrename.c (rest_of_handle_regrename): Ditto.
11697 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11698 * tree-complex.c (tree_lower_complex): Ditto.
11699 (tree_lower_complex_O0): Ditto.
11700 * tracer.c (rest_of_handle_tracer): Ditto.
11701 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11702 * postreload.c (rest_of_handle_postreload): Ditto.
11703 * tree-tailcall.c (execute_tail_recursion): Ditto.
11704 (execute_tail_calls): Ditto.
11705 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11706 * tree.h (init_function_for_compilation): Ditto.
11707 * ipa-cp.c (ipcp_driver): Ditto.
11708 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11709 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11710 * final.c (compute_alignments): Ditto.
11711 (rest_of_handle_final): Ditto.
11712 (rest_of_handle_shorten_branches): Ditto.
11713 (rest_of_clean_state): Ditto.
11714 * omp-low.c (execute_expand_omp): Ditto.
11715 (execute_lower_omp): Ditto.
11716 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11717 * ipa-reference.c (static_execute): Ditto.
11718 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11719 * reorg.c (rest_of_handle_delay_slots): Ditto.
11720 (rest_of_handle_machine_reorg): Ditto.
11721 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11722 * flow.c (recompute_reg_usage): Ditto.
11723 (rest_of_handle_remove_death_notes): Ditto.
11724 (rest_of_handle_life): Ditto.
11725 (rest_of_handle_flow2): Ditto.
11726 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11727 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11728 (do_ssa_store_ccp): Ditto.
11729 (execute_fold_all_builtins): Ditto.
11730 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11731 * modulo-sched.c (rest_of_handle_sms): Ditto.
11732 * ipa-pure-const.c (static_execute): Ditto.
11733 * cse.c (rest_of_handle_cse): Ditto.
11734 (rest_of_handle_cse2): Ditto.
11735 * web.c (rest_of_handle_web): Ditto.
11736 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11737 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11738 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11739 * tree-nrv.c (tree_nrv): Ditto.
11740 (execute_return_slot_opt): Ditto.
11741 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11742 (create_structure_vars): Ditto.
11743 * loop-init.c (rtl_loop_init): Ditto.
11744 (rtl_loop_done): Ditto.
11745 (rtl_move_loop_invariants): Ditto.
11746 (rtl_unswitch): Ditto.
11747 (rtl_unroll_and_peel_loops): Ditto.
11748 (rtl_doloop): Ditto.
11749 * gimple-low.c (lower_function_body): Ditto.
11750 (mark_used_blocks): Ditto.
11751 * tree-ssa-sink.c (execute_sink_code): Ditto.
11752 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11753 (cgraph_early_inlining): Ditto.
11754 * global.c (rest_of_handle_global_alloc): Ditto.
11755 * jump.c (cleanup_barriers): Ditto.
11756 (purge_line_number_notes): Ditto.
11757 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11758 (rest_of_handle_if_after_reload): Ditto.
11759 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11760 (tree_ssa_loop_im): Ditto.
11761 (tree_ssa_loop_unswitch): Ditto.
11762 (tree_vectorize): Ditto.
11763 (tree_linear_transform): Ditto.
11764 (tree_ssa_loop_ivcanon): Ditto.
11765 (tree_ssa_empty_loop): Ditto.
11766 (tree_ssa_loop_bounds): Ditto.
11767 (tree_complete_unroll): Ditto.
11768 (tree_ssa_loop_prefetch): Ditto.
11769 (tree_ssa_loop_ivopts): Ditto.
11770 (tree_ssa_loop_done): Ditto.
11771 * predict.c (tree_estimate_probability): Ditto.
11772 * recog.c (split_all_insns_noflow): Ditto.
11773 (rest_of_handle_peephole2): Ditto.
11774 (rest_of_handle_split_all_insns): Ditto.
11775 * tree-eh.c (lower_eh_constructs): Ditto.
11776 * regmove.c (rest_of_handle_regmove): Ditto.
11777 (rest_of_handle_stack_adjustments): Ditto.
11778 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11779 * function.c (instantiate_virtual_regs): Ditto.
11780 (init_function_for_compilation): Ditto.
11781 (rest_of_handle_check_leaf_regs): Ditto.
11782 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11783 (rest_of_handle_gcse): Ditto.
11784 * ipa-type-escape.c (type_escape_execute): Ditto.
11785 * alias.c (rest_of_handle_cfg): Ditto.
11786 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11787 * profile.c (rest_of_handle_branch_prob): Ditto.
11788 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11789 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11790 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11791 * tree-dfa.c (find_referenced_vars): Ditto.
11792 * except.c (set_nothrow_function_flags): Ditto.
11793 (convert_to_eh_region_ranges): Ditto.
11794 (rest_of_handle_eh): Ditto.
11795 * emit-rtl.c (unshare_all_rtl): Ditto.
11796 (remove_unnecessary_notes): Ditto.
11797 * except.h (set_nothrow_function_flags): Ditto.
11798 (convert_to_eh_region_ranges): Ditto.
11799 * cfgexpand.c (tree_expand_cfg): Ditto.
11800 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11801 * tree-ssa-pre.c (do_pre): Ditto.
11802 (execute_fre): Ditto.
11803 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11804 (rest_of_handle_jump2): Ditto.
11805 * tree-sra.c (tree_sra): Ditto.
11806 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11807 (execute_mudflap_function_decls): Ditto.
11808 * tree-ssa-copy.c (do_copy_prop): Ditto.
11809 (do_store_copy_prop): Ditto.
11810 * ipa-prop.h (ipcp_driver): Ditto.
11811 * cfglayout.c (insn_locators_initialize): Ditto.
11812 * tree-ssa-forwprop.c
11813 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11814 * cfglayout.h (insn_locators_initialize): Ditto.
11815 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11816 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11817 (execute_late_warn_uninitialized): Ditto.
11818 * rtl.h (cleanup_barriers): Ditto.
11819 (split_all_insns_noflow): Ditto.
11820 (purge_line_number_notes): Ditto.
11821 (unshare_all_rtl): Ditto.
11822 (remove_unnecessary_notes): Ditto.
11823 (recompute_reg_usage): Ditto.
11824 (variable_tracking_main): Ditto.
11825 * integrate.c (emit_initial_value_sets): Ditto.
11826 * integrate.h (emit_initial_value_sets): Ditto.
11827 * tree-optimize.c (execute_free_datastructures): Ditto
11828 (execute_free_cfg_annotations): Ditto.
11829 (execute_fixup_cfg): Ditto.
11830 (execute_cleanup_cfg_pre_ipa): Ditto.
11831 (execute_cleanup_cfg_post_optimizing): Ditto.
11832 (execute_init_datastructures): Ditto.
11833 * tree-object-size.c (compute_object_sizes): Ditto.
11834 * combine.c (rest_of_handle_combine): Ditto.
11835 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11836 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11837 (rest_of_handle_reorder_blocks): Ditto.
11838 (rest_of_handle_partition_blocks): Ditto.
11839 * var-tracking.c (variable_tracking_main): Ditto.
11840 * tree-profile.c (tree_profiling): Ditto.
11841 * tree-vect-generic.c (expand_vector_operations): Ditto.
11842 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11843 * sched-rgn.c (rest_of_handle_sched): Ditto.
11844 (rest_of_handle_sched2): Ditto.
11845 * basic-block.h (free_bb_insn): Ditto.
11846 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11847 * tree-cfg.c (execute_build_cfg): Ditto.
11848 (remove_useless_stmts): Ditto.
11849 (split_critical_edges): Ditto.
11850 (execute_warn_function_return): Ditto.
11851 (execute_warn_function_noreturn): Ditto.
11852 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11853 * cfgrtl.c (free_bb_for_insn): Ditto.
11854 * passes.c (execute_one_pass): Run additional
11855 todos returned by execute function.
11856 * tree-pass.h (struct tree_opt_pass): Make execute
11859 2006-03-02 Richard Guenther <rguenther@suse.de>
11861 * tree-ssa-alias.c (find_used_portions): Consider taking
11862 the address as making the variable not write-only.
11864 2006-03-02 Nick Clifton <nickc@redhat.com>
11866 * config.gcc (default_use_cxa_atexit): Extend the description of
11867 this configure variable. Set its default value to "yes" for
11868 Linux, NetBSD and ELF targets on the assumption that they will
11869 use C libraries with the __cxa_atexit function.
11871 2006-03-02 Ben Elliston <bje@au.ibm.com>
11873 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11874 parameter as unused to suppress a build warning.
11876 2006-03-02 Ben Elliston <bje@au.ibm.com>
11878 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11881 2006-03-01 Roger Sayle <roger@eyesopen.com>
11884 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11885 declared name, the weak reference name, and the typeof name.
11886 (__gthrw): Avoid expanding the declared name suffix.
11887 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11889 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11891 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11893 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11894 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11895 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11896 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11897 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11898 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11899 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11900 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11901 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11902 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11903 (DW_END_default, DW_END_big, DW_END_little): New.
11904 (DW_END_lo_user, DW_END_hi_user): Define.
11905 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11906 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11907 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11910 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11912 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11914 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11916 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11918 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11920 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11921 to 'symbol_mem_tag'.
11923 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11926 2006-03-01 Roger Sayle <roger@eyesopen.com>
11928 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11930 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11933 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11934 MACHO_DYNAMIC_NO_PIC_P.
11935 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11937 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11940 * config/darwin-protos.h (darwin_asm_output_anchor):
11942 * config/darwin-sections.def (cstring_section):
11943 Add SECTION_MERGE to the flags.
11944 (literal4_section): Likewise.
11945 (literal8_section): Likewise.
11946 (objc_selector_refs_section): Likewise.
11947 (objc_cls_refs_section): Likewise.
11948 * config/darwin.c (darwin_asm_output_anchor): New
11950 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11952 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11954 Fix PR tree-optimization/26443
11955 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11956 to todo and PROP_tmt_usage to properties_destroyed.
11957 * tree-ssa-ccp.c (pass_ccp): Ditto.
11958 (pass_store_ccp): Ditto.
11959 * tree-ssa-dom.c (pass_dominator): Ditto.
11961 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11963 * tree-ssa-operands.c: Cleanup whitespace.
11964 (get_asm_expr_operands): Move before first invocation.
11965 (get_indirect_ref_operands): Likewise.
11966 (get_tmr_operands): Likewise.
11967 (get_call_expr_operands): Likewise.
11968 (append_def): Likewise.
11969 (append_use): Likewise.
11970 (append_v_may_def): Likewise.
11971 (append_v_must_def): Likewise.
11972 (add_call_clobber_ops): Likewise.
11973 (add_call_read_ops): Likewise.
11974 (add_stmt_operand): Likewise.
11975 (add_virtual_operand): Likewise.
11976 (build_ssa_operands): Likewise.
11978 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11980 PR middle-end/26022
11982 PR middle-end/24437
11983 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11984 with a call expr to ...
11985 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11987 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11989 * tree-vrp.c (extract_range_from_assert): Remove special
11990 handling for types with super-types.
11992 2006-03-01 Ben Elliston <bje@au.ibm.com>
11994 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11995 and powerpc64-*-linux* configurations.
11996 * config/t-dfprules: New file.
11998 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11999 Compile dfp-bit.c from the source directory using -DWIDTH and
12000 $DFP_CFLAGS to control the compilation of that file, rather than
12001 generating width-specific versions in the build directory.
12002 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12003 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12005 2006-02-28 Zack Weinberg <zackw@panix.com>
12007 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12010 2006-02-28 Eric Christopher <echristo@apple.com>
12012 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12013 Set up IN_LIBGCC definition of TARGET_64BIT.
12014 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12016 2006-02-28 Roger Sayle <roger@eyesopen.com>
12018 PR middle-end/14752
12019 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12020 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12021 cases via the construction of "expr != 0".
12023 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12025 * alias.c (alias_invariant, alias_invariant_size): Remove.
12026 (record_base_value): Remove.
12027 (memrefs_conflict_p): Don't look at alias_invariant.
12028 (end_alias_analysis): Don't free it.
12029 * alias.h (record_base_value): Remove prototype.
12031 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12032 Adam Nemet <anemet@caviumnetworks.com>
12034 * rtl.h (truncated_to_mode): Declare it.
12035 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12036 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12037 (RTL_HOOKS_INITIALIZER): Include it.
12038 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12039 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12040 reg_truncated_to_mode.
12041 * rtlanal.c (truncated_to_mode): Define it.
12042 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12044 2006-02-28 Jeff Law <law@redhat.com>
12046 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12047 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12048 the range allowed by TYPE_PRECISION.
12050 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12052 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12054 PR tree-optimization/26419
12055 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12058 2006-02-27 Zack Weinberg <zackw@panix.com>
12060 * doc/md.texi: Fix typo in previous change.
12062 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12066 2006-02-27 Zack Weinberg <zackw@panix.com>
12068 * rtl.def (define_constraint, define_register_constraint)
12069 (define_memory_constraint, define_address_constraint): New MD forms.
12070 * gensupport.c (process_rtx): Put define_constraint etc on the
12072 * genpreds.c (process_define_predicate): Adjust comment. Validate
12073 the name, and call validate_exp to validate the expression.
12074 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12075 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12076 all callers changed.
12077 (validate_exp, needs_variable, struct constraint_data)
12078 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12079 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12080 (const_dbl_constraints, constraint_max_namelen)
12081 (have_register_constraints, have_memory_constraints)
12082 (have_address_constraints, have_address_constraints)
12083 (have_extra_constraints, have_const_int_constraints)
12084 (have_const_dbl_constraints, mangle, add_constraint)
12085 (process_define_constraint, process_define_register_constraint)
12086 (write_enum_constraint_num, write_lookup_constraint)
12087 (write_insn_constraint_len, write_regclass_for_constraint)
12088 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12089 (write_insn_extra_memory_constraint)
12090 (write_insn_extra_address_constraint)
12091 (write_satisfies_constraint_fns): New.
12092 (write_tm_preds_h): If we have new-style constraint definitions,
12093 prototype the functions generated from them, and define the
12094 old constraint interface (still used by generic code) in terms of
12096 (write_insn_preds_c): If we have new-style constraint definitions,
12097 generate all relevant functions from those definitions.
12098 (main): Handle define_constraint etc.
12099 * genoutput.c (struct constraint_data, indep_constraints)
12100 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12101 (mdep_constraint_len): New data structures and functions, defined
12102 #ifdef USE_MD_CONSTRAINTS.
12103 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12104 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12105 use new logic to validate operand constraints against constraint
12107 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12109 * defaults.h: If none of the old-style constraint macros are
12110 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12111 old-style macros; and poison REG_CLASS_FROM_LETTER,
12112 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12114 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12115 * doc/md.texi: Document new constraint-definition mechanism and the
12116 C interface it provides. Remove references to old mechanism
12117 elsewhere in the document.
12118 (Machine Constraints): Use pathnames relative to gcc directory,
12119 i.e. config/ARCH/FILE. Change i386 section to refer to
12120 config/i386/predicates.md; update that section to match docstrings.
12121 * doc/tm.texi: Move all documentation of the old constraint-
12122 definition macros to their own section, clearly mark as obsolete.
12124 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12125 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12127 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12128 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12129 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12130 constraint strings.
12131 (splits and peepholes): Use satisfies_constraint_*.
12132 * config/i386/i386.c (memory_address_length)
12133 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12135 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12137 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12138 scalar operation to be put back into the loop.
12140 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12143 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12144 (extract_cie_info): Handle S flag in augmentation string.
12145 (execute_cfa_program): If context->signal_frame, execute also
12146 fs->pc == context->ra instructions.
12147 (uw_frame_state_for): If context->signal_frame, don't subtract one
12148 from context->ra to find FDE.
12149 (uw_update_context_1): Set context->signal_frame to
12151 (_Unwind_GetIPInfo): New function.
12152 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12153 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12155 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12156 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12157 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12158 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12159 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12160 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12161 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12162 x86_64_fallback_frame_state): Set fs->signal_frame.
12163 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12164 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12165 (frob_update_context): Likewise. Workaround missing S flag in
12166 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12167 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12168 Remove the psw_addr + 1 hack.
12170 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12172 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12173 with aggregates here.
12174 (find_func_aliases): Remove code for &<aggregate> from here.
12176 2006-02-26 Roger Sayle <roger@eyesopen.com>
12178 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12179 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12180 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12181 as (X & C) ne/eq 0.
12183 2006-02-26 Roger Sayle <roger@eyesopen.com>
12185 PR middle-end/19983
12186 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12188 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12190 * opts.c (decode_options): Do not handle flag_strength_reduce.
12191 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12192 and OPT_fstrength_reduce.
12193 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12194 flag_prefetch_loop_arrays for being nonzero.
12195 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12197 (fprefetch-loop-arrays-rtl): Removed.
12198 (flag_prefetch_loop_arrays): Do not specify the value.
12200 * doc/passes.texi: Update documentation of loop optimizer
12202 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12203 -frerun-loop-opt): Remove.
12205 2006-02-26 Richard Guenther <rguenther@suse.de>
12207 PR tree-optimization/26421
12208 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12209 in function calls that are ADDR_EXPRs as using the whole structure.
12211 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12213 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12214 * tree-pass.h (pass_loop_optimize): Remove.
12215 * passes.c (pass_loop_optimize): Never run it.
12216 * toplev.c (backend_init): Don't call init_loop.
12217 * opts.c (flag_loop_optimize_set): Remove.
12218 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12219 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12220 the old RTL loop optimizer when profiling enabled.
12221 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12222 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12223 pre-headers for the sake of the old RTL loop optimizer.
12224 * Makefile.in: Remove all references to loop.o.
12226 * doc/invoke.texi: Remove all references to -floop-optimize
12227 and -frerun-loop-opt.
12229 2006-02-26 Zack Weinberg <zackw@panix.com>
12231 * doc/md.texi (Machine Constraints): Refer to all files with paths
12232 relative to gcc directory (i.e. config/CPU/file). Add missing
12233 @table @code ... @end table to M32C subsection.
12235 2006-02-26 Roger Sayle <roger@eyesopen.com>
12237 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12239 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12241 2006-02-26 Roger Sayle <roger@eyesopen.com>
12242 James A. Morrison <phython@gcc.gnu.org>
12244 PR middle-end/21137
12245 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12246 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12247 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12248 signedness of the shift operation.
12250 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12252 PR tree-optimization/26359
12253 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12255 2006-02-25 Roger Sayle <roger@eyesopen.com>
12257 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12258 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12259 as X == 0, and some symmetry related transformations.
12260 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12262 2006-02-25 Roger Sayle <roger@eyesopen.com>
12264 PR middle-end/23673
12265 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12266 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12267 symmetry related transformations. Fold (X^C1) == C2 as
12270 2006-02-25 Juergen Weigert <jw@suse.de>
12271 Richard Guenther <rguenther@suse.de>
12273 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12275 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12277 * combine.c (gen_lowpart_or_truncate): Call
12278 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12280 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12282 * doc/invoke.texi: Move -fopenmp description to "Options for
12284 Remove reference to -lgomp.
12286 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12288 * doc/install.texi: Require GNU tar version 1.14.
12290 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12292 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12293 * doc/invoke.texi (C++ Dialect Options): Document
12294 -fno-use-cxa-get-exception-ptr.
12295 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12296 * configure: Regenerate.
12297 * c.opt (fuse-cxa-get-exception-ptr): New.
12298 * c-opts.c (c_common_handle_option): Handle
12299 OPT_fuse_cxa_get_exception_ptr.
12300 * c-common.c (flag_use_cxa_atexit): Update documentation.
12301 (flag_use_cxa_get_exception_ptr): New.
12302 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12303 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12305 (C_COMMON_OVERRIDE_OPTIONS): New.
12307 2006-02-24 Roger Sayle <roger@eyesopen.com>
12309 PR middle-end/24952
12310 * combine.c (try_combine): Explicitly check whether GET_CODE is
12311 a SET or a CLOBBER, instead on checking that it isn't a USE.
12313 2006-02-24 Roger Sayle <roger@eyesopen.com>
12315 * fold-const.c (fold_comparison): New subroutine of fold_binary
12316 containing transformations common to both the equality and
12317 ordering relational operators, factored out of fold_binary.
12318 (fold_binary): Separate out the equality operators (EQ_EXPR
12319 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12320 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12321 transformations common to both.
12322 (fold_div_compare): Fix latent bugs in the previously unreachable
12323 LT_EXPR and GE_EXPR cases.
12325 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12327 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12328 decl libname for clog to __clog on AIX.
12330 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12332 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12335 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12336 output traceback table for thunks. Localise rs6000_stack_info call.
12338 2006-02-23 Roger Sayle <roger@eyesopen.com>
12339 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12341 * gthr-posix.h (__gthrw): Fix typo in comment.
12343 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12345 * doc/cpp.texi (Character sets): Document that we do support
12346 input files to be in any character set.
12348 2006-02-23 Jeff Law <law@redhat.com>
12350 * tree.h (PHI_ARG_NONZERO): Remove.
12351 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12352 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12353 node to the new node.
12355 PR tree-optimization/26425
12356 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12357 min/max, then assume its varying.
12359 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12361 PR rtl-optimization/26316
12362 * rtlanal.c (enum may_trap_p_flags): New.
12363 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12364 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12365 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12366 (may_trap_after_code_motion_p): New function.
12367 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12368 (find_invariant_insn): Use may_trap_after_code_motion_p.
12369 * rtl.h (may_trap_after_code_motion_p): Declare.
12371 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12373 * emit-rtl.c (immed_double_const): Cleanup.
12375 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12377 Fix PR tree-optimization/26376
12378 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12381 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12383 PR middle-end/26412
12384 * gimplify.c (omp_add_variable): Guard variable size decl test with
12385 DECL_SIZE (decl) check.
12387 2006-02-23 Richard Guenther <rguenther@suse.de>
12389 PR middle-end/26439
12390 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12391 like aggregate types.
12393 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12395 * configure.ac: Add --with{,out}-long-double-128 configure option.
12396 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12397 * configure: Rebuilt.
12398 * config.in: Rebuilt.
12399 * doc/install.texi (Options specification): Document
12400 --with-long-double-128.
12402 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12403 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12404 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12405 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12407 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12409 * config/s390/s390.c (override_options): Handle
12410 TARGET_DEFAULT_LONG_DOUBLE_128.
12412 * config/alpha/alpha.c (override_options): Handle
12413 TARGET_DEFAULT_LONG_DOUBLE_128.
12415 * config/sparc/sparc.c (sparc_override_options): Handle
12416 TARGET_DEFAULT_LONG_DOUBLE_128.
12418 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12420 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12421 (real-install-headers-tar, real-install-headers-cpio)
12422 (real-install-headers-cp): New targets.
12424 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12426 * tree.h (variable_section): Delete.
12427 * varasm.c (variable_section): Delete.
12429 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12431 * install.texi: Add notes on install.texi2html.
12432 (Building in parallel): Do not use footnotes.
12434 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12437 * doc/install.texi (Configuration): Document --disable-libgomp.
12439 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12441 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12443 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12445 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12446 (vec_extractv2df_0_sse): New.
12448 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12450 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12451 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12452 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12453 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12454 to the result of the expression.
12455 (def_cfa_1): Adjust.
12456 (frame_pointer_cfa_offset): Rename to...
12457 (frame_pointer_fb_offset): ... this. Adjust all uses.
12458 (convert_cfa_to_loc_list): Rename to...
12459 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12460 Pass it on to build_cfa_loc.
12461 (compute_frame_pointer_to_cfa_displacement): Rename to...
12462 (compute_frame_pointer_to_fb_displacement): ... this. New
12463 offset parameter. Use it in computation.
12464 (gen_subprogram_die): Compute cfa_fb_offset with the new
12465 macro, and use it to compute the fb loc list and the
12468 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12470 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12471 replaced with register_operand.
12472 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12473 non-DREG is expensive.
12474 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12475 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12478 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12480 * doc/install.texi2html: Use set -e.
12482 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12484 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12485 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12486 * doc/invoke.texi (-fshared-data): Delete.
12487 * common.opt (fshared-data): Delete.
12488 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12489 (assemble_static_space): Remove #if 0 code.
12490 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12491 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12492 * config/cris/cris.h: Remove FIXME.
12494 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12496 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12499 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12501 PR middle-end/26379
12502 * combine.c (simplify_shift_const_1): Disable nested shifts
12503 optimization for vector shifts.
12505 2006-02-20 Roger Sayle <roger@eyesopen.com>
12507 PR tree-optimization/26361
12508 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12509 of unsigned integer types.
12511 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12513 * tree-chrec.c (eq_evolutions_p): New.
12514 * tree-chrec.h (eq_evolutions_p): Declared.
12515 * tree-data-ref.c: Fix formatting.
12516 (datadep_stats, dependence_stats): New.
12518 (print_direction_vector): New.
12519 (dump_data_dependence_relation): Use print_direction_vector.
12520 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12521 (compute_subscript_distance): Static.
12522 (initialize_data_dependence_relation): Static. Get the number
12523 of loops surrounding the references from the callers, and initialize
12524 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12525 base_object_differ_p analyzers.
12526 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12527 compute_overlap_steps_for_affine_1_2,
12528 analyze_subscript_affine_affine): Count the classified dependences.
12529 Print a message when a test failed.
12530 (can_use_analyze_subscript_affine_affine): New.
12531 (analyze_siv_subscript): Compute the data dependences on symbolic
12532 scevs that verify can_use_analyze_subscript_affine_affine.
12533 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12534 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12535 Handle symbolic scevs.
12536 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12538 (subscript_dependence_tester): Moved...
12539 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12540 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12541 DDR_SIZE_VECT instead of getting it in parameter.
12542 (subscript_dependence_tester): ... here. Take as a parameter
12543 loop_nest_depth. Call build_classic_dist_vector and
12544 build_classic_dir_vector.
12545 (compute_affine_dependence): Update subscript_dependence_tester
12546 parameters. Update datadep_stats counters. Call
12547 compute_subscript_distance.
12548 (compute_self_dependence): Save the dist and dir vectors. Call
12549 compute_subscript_distance.
12550 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12551 (compute_all_dependences): Reorder parameters as they were before
12552 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12553 compute_subscript_distance. Update the use of
12554 compute_affine_dependence and initialize_data_dependence_relation.
12555 (find_data_references_in_loop): Handle COMPONENT_REF.
12556 (compute_data_dependences_for_loop): Initialize dependence_stats.
12557 Don't call build_classic_dist_vector and build_classic_dir_vector.
12558 Update the parameters of initialize_data_dependence_relation and
12559 compute_all_dependences. Print the statistics from datadep_stats.
12560 (analyze_all_data_dependences): Static. Not used until the pass for
12561 checking the data dependences is contributed.
12562 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12563 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12564 (initialize_data_dependence_relation, compute_affine_dependence,
12565 analyze_all_data_dependences, compute_subscript_distance): Removed.
12566 (print_direction_vector): New.
12567 * lambda.h (gcd): ... here.
12568 (lambda_vector_gcd): Moved here from gcd_vector.
12569 * lambda-code.c (gcd, gcd_vector): Removed.
12570 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12571 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12573 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12575 * ipa-type-escape.c: Tidy some comments and white space.
12576 * tree-ssa-operands.c: Likewise.
12578 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12581 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12582 (dump_decl_name): Do not walk the decl tree chains.
12583 * tree-pass.h (TDF_CHAIN): Remove.
12585 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12587 * Makefile.in (C): Remove
12589 (.PHONY): Remove C and PROTO
12591 2006-02-20 Roger Sayle <roger@eyesopen.com>
12593 PR middle-end/26236
12594 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12595 deprecated CHAR_TYPE tree code.
12597 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12599 * configure.ac (target_list): Add install-info, dvi, html.
12600 * configure: Regenerate.
12602 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12603 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12604 treelang/Make-lang.in: Do not use double-colon rules.
12606 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12608 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12609 (TMT_USED_ALONE): New macro.
12610 * tree-pass.h (PROP_tmt_usage): New property.
12611 (TODO_update_tmt_usage): New todo.
12612 * tree-ssa-alias.c (updating_used_alone): New variable.
12613 (recalculate_used_alone): New function.
12614 (compute_may_aliases): Set updating_used_alone, call
12615 recalculate_used_alone.
12616 * tree-sra.c (pass_sra): Note that this pass destroys
12617 PROP_tmt_usage, and add TODO_update_tmt_usage.
12618 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12619 * tree-flow.h (updating_used_alone): Prototype.
12620 (recalculate_used_alone): Ditto.
12621 * passes.c (execute_todo): Add code to set updating_used_alone,
12622 and call recalculate.
12623 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12624 for clobber if used alone, and add assert to verify used_alone
12627 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12629 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12630 for non tls symbols added.
12631 (legitimize_address): Do nothing for PLUS expressions if one of the
12632 addends is a tls symbol reference.
12634 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12638 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12640 * Makefile.in (BOOTSTRAPPING): New.
12641 (quickstrap): New definition if BOOTSTRAPPING=yes.
12643 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12644 * configure.ac: Substitute all_selected_languages with the languages
12645 that were configured. For all the other variables except
12646 lang_specs_files, include all the languages in the tree.
12647 * configure: Regenerate.
12649 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12650 if there is one. Run the commands to run fixincludes in the same
12653 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12654 * doc/install.texi: Document exact conventions for searching target tools.
12655 Document --with-build-time-tools. Document toplevel bootstrap. Document
12656 something more about building an Ada cross-compiler. Don't list GNU Make
12657 requirements which affect all platforms.
12659 2006-02-19 Roger Sayle <roger@eyesopen.com>
12661 PR middle-end/19543
12662 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12663 only equivalent if the have both the same mode and precision.
12665 2006-02-20 Ben Elliston <bje@au.ibm.com>
12667 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12669 2006-02-19 Roger Sayle <roger@eyesopen.com>
12670 Steven Bosscher <stevenb.gcc@gmail.com>
12672 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12673 constant pool references to identify stack mode constants.
12674 * rtlanal.c (constant_pool_constant_p): New predicate to check
12675 whether operand is a floating point constant in the pool.
12676 * rtl.h (constant_pool_constant_p): Prototype here.
12677 * loop.c (scan_loop): Avoid hoisting constants from the constant
12678 pool on STACK_REGS targets.
12679 (load_mems): Likewise.
12680 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12681 loads into x87 registers expensive in terms of register pressure.
12683 2006-02-19 Roger Sayle <roger@eyesopen.com>
12685 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12686 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12688 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12690 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12691 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12693 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12695 * doc/invoke.texi: Document -fipa-pta.
12696 * common.opt: Add ipa-pta option.
12697 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12698 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12699 (do_ds_constraint): Ditto.
12700 (get_constraint_for): Only add to referenced_vars if
12701 referenced_vars exists.
12702 (insert_into_field_list): Rewrite to do this unsorted.
12703 (insert_into_field_list_sorted): Rename old insert_into_field_list
12705 (create_function_info_for): Use insert_into_field_list_sorted.
12706 (create_variable_info_for): Rewrite so it uses unsorted version,
12707 since the field list is sorted.
12708 (intra_create_variable_infos): Only add to referenced_vars if
12709 referenced_vars exists.
12710 (ipa_pta_execute): Init heapvars, and delete when done.
12711 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12713 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12715 * doc/install.texi: Add missing `@samp'.
12717 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12719 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12722 2006-02-18 Mark Wielaard <mark@klomp.org>
12724 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12725 who added new 4.1 features, bug fixes and integration support.
12727 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12730 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12731 MEM for ABI_V4 pic.
12733 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12735 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12736 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12737 (copy_insn_1): Likewise. Don't copy each field individually.
12739 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12741 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12742 * rtl.c (rtx_size): Rename variable to...
12743 (rtx_code_size): ...this.
12744 (rtx_size): New function.
12745 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12746 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12748 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12749 * rtl.h (rtx_code_size): New variable.
12750 (rtx_size): Change from a variable to a function.
12751 (RTX_SIZE): Rename to...
12752 (RTX_CODE_SIZE): ...this.
12755 PR tree-optimization/17106
12756 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12757 (Anchored Addresses): New section.
12758 * doc/invoke.texi (-fsection-anchors): Document.
12759 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12760 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12761 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12762 * hooks.c (hook_bool_mode_rtx_false): New function.
12763 * hooks.h (hook_bool_mode_rtx_false): Declare.
12764 * gengtype.c (create_optional_field): New function.
12765 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12766 SYMBOL_REF_IN_BLOCK_P is true.
12767 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12768 (min_anchor_offset, max_anchor_offset): Likewise.
12769 (use_anchors_for_symbol_p): New hook.
12770 * toplev.c (compile_file): Call output_object_blocks.
12771 (target_supports_section_anchors_p): New function.
12772 (process_options): Check that -fsection-anchors is only used on
12773 targets that support it and when -funit-at-a-time is in effect.
12774 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12775 if the decl doesn't have one.
12776 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12777 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12778 of force_const_mem through use_anchored_address.
12779 (expand_expr_constant): New function.
12780 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12781 calling expand_expr for INDIRECT_REF.
12782 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12783 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12784 * expr.h (use_anchored_address): Declare.
12785 * loop-unroll.c: Don't declare rtx vectors here.
12786 * explow.c: Include output.h.
12787 (validize_mem): Call use_anchored_address.
12788 (use_anchored_address): New function.
12789 * common.opt (-fsection-anchors): New switch.
12790 * varasm.c (object_block_htab, anchor_labelno): New variables.
12791 (hash_section, object_block_entry_eq, object_block_entry_hash)
12792 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12793 (use_blocks_for_decl_p, change_symbol_section): New functions.
12794 (get_variable_section): New function, split out from assemble_variable.
12795 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12796 use_blocks_for_decl_p say so. Use change_symbol_section if the
12797 symbol has already been created.
12798 (assemble_variable_contents): New function, split out from...
12799 (assemble_variable): ...here. Don't output any code for
12800 block symbols; just pass them to place_block_symbol.
12801 Use get_variable_section and assemble_variable_contents.
12802 (get_constant_alignment, get_constant_section, get_constant_size): New
12803 functions, split from output_constant_def_contents.
12804 (build_constant_desc): Create a block symbol if use_object_blocks_p
12805 says so. Or into SYMBOL_REF_FLAGS.
12806 (assemble_constant_contents): New function, split from...
12807 (output_constant_def_contents): ...here. Don't output any code
12808 for block symbols; just pass them to place_section_symbol.
12809 Use get_constant_section and get_constant_alignment.
12810 (force_const_mem): Create a block symbol if use_object_blocks_p and
12811 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12812 (output_constant_pool_1): Add an explicit alignment argument.
12813 Don't switch sections here.
12814 (output_constant_pool): Adjust call to output_constant_pool_1.
12815 Switch sections here instead. Don't output anything for block symbols;
12816 just pass them to place_block_symbol.
12817 (init_varasm_once): Initialize object_block_htab.
12818 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12819 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12820 (place_block_symbol, get_section_anchor, output_object_block)
12821 (output_object_block_htab, output_object_blocks): New functions.
12822 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12823 (TARGET_ASM_OUT): Include it.
12824 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12825 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12826 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12827 (TARGET_INITIALIZER): Include them.
12828 * rtl.c (rtl_check_failed_block_symbol): New function.
12829 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12830 (block_symbol, object_block): New structures.
12831 (rtx_def): Add a block_symbol field to the union.
12832 (BLOCK_SYMBOL_CHECK): New macro.
12833 (rtl_check_failed_block_symbol): Declare.
12834 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12835 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12836 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12837 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12838 * output.h (output_section_symbols): Declare.
12839 (object_block): Name structure.
12840 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12841 (default_use_anchors_for_symbol_p): Declare.
12842 * Makefile.in (RTL_BASE_H): Add vec.h.
12843 (explow.o): Depend on output.h.
12844 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12845 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12846 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12847 (rs6000_use_blocks_for_constant_p): New function.
12849 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12851 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12853 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12856 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12859 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12861 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12865 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12867 PR middle-end/26334
12868 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12869 instead of DECL_REGISTER.
12871 2006-02-18 Olivier Hainque <hainque@adacore.com>
12874 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12876 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12879 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12880 * opth-gen.awk: Handle Var and InverseMask together.
12881 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12882 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12883 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12884 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12886 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12887 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12888 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12889 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12890 LINUX_DYNAMIC_LINKER): Define.
12891 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12892 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12894 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12895 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12896 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12898 (TARGET_C99_FUNCTIONS): Don't define.
12899 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12900 GLIBC_DYNAMIC_LINKER.
12901 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12902 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12903 GLIBC_DYNAMIC_LINKER64): Define.
12904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12905 LINUX_DYNAMIC_LINKER64.
12906 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12908 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12910 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12912 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12913 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12914 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12916 and LINUX_DYNAMIC_LINKER32.
12917 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12919 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12921 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12923 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12924 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12925 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12926 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12927 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12928 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12929 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12930 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12931 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12932 LINUX_DYNAMIC_LINKER): Define.
12933 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12934 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12935 GLIBC_DYNAMIC_LINKER64): Define.
12936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12937 LINUX_DYNAMIC_LINKER64.
12938 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12939 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12940 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12941 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12942 LINUX_DYNAMIC_LINKER): Define.
12943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12944 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12945 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12946 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12947 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12948 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12949 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12950 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12951 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12952 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12954 * doc/invoke.texi (-muclibc): Remove caveat about supported
12957 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12959 * doc/cpp.texi (__TIMESTAMP__): Document.
12961 2006-02-17 Roger Sayle <roger@eyesopen.com>
12963 PR middle-end/25600
12964 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12965 C is one less than the width of X (and related transformations).
12966 * simplify-rtx.c (simplify_unary_operation_1): Transform
12967 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12968 depending on STORE_FLAG_VALUE, were C is one less then the
12971 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12973 Fix PR tree-optimization/26341
12974 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12975 about NAME_MEMORY_TAG's.
12977 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12980 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12981 with hardware float support, and software float support. Add fcpy
12982 alternative to hardware patterns. Add alternatives to copy between
12983 general and floating-point registers to the 32-bit pattern.
12984 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12985 secondary reload to load a QI or HI mode constant into a floating
12987 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12988 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12990 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12993 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12995 (load_macho_picbase_di): Likewise.
12997 2006-02-16 Jeff Law <law@redhat.com>
12999 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13000 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13001 (ssa_name_nonzero_p): Likewise.
13002 (get_value_range): Return NULL if VRP is not running.
13003 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13004 VRP routines do not discover a range.
13005 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13006 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13007 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13008 (tree_expr_nonnegative_p): Similarly.
13009 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13010 (restore_nonzero_vars_to_original_value): Remove.
13011 (unsafe_associative_fp_binop): Remove.
13012 (tree_ssa_dominator_optimize): Remove initialization and
13013 finalization of nonzero_vars and nonzero_vars_stack.
13014 (dom_opt_initialize_block): No longer push marker on
13015 nonzero_vars_stack.
13016 (dom_opt_finalize_block): No longer call
13017 restore_nonzero_vars_to_original_value.
13018 (record_equivalences_from_phis): No longer look for
13019 nonzero PHI arguments.
13020 (cprop_into_successor_phis): No longer propagate nonzero
13021 property into PHI arguments. Lose unused argument. Caller
13023 (record_equivalences_from_stmt): No longer record nonzero
13024 values for SSA_NAMEs.
13025 (lookup_avail_expr): No longer use nonzero_vars.
13027 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13028 for sizetype when sizetype is unsigned.
13030 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13032 PR rtl-optimization/25603
13033 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13034 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13035 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13036 with new meaning of SETS.
13038 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13043 * config/linux.opt: New file.
13044 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13045 LINUX_DYNAMIC_LINKER): Define.
13046 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13047 * config.gcc (*-*-linux*): Define extra_options.
13048 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13049 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13050 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13051 GLIBC_DYNAMIC_LINKER.
13052 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13053 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13054 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13056 * doc/invoke.texi (GNU/Linux Options): New section.
13058 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13060 * config/sparc/sparc.md (setjmp): Rewrite.
13061 (setjmp_32): Delete.
13062 (setjmp_64): Likewise.
13064 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13066 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13069 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13071 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13074 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13076 PR rtl-optimization/26296
13077 * Makefile.in (loop-invariant.c): Add except.h dependency.
13078 * loop-invariant.c: Include except.h.
13079 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13081 2005-02-16 Paul Brook <paul@codesourcery.com>
13083 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13086 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13088 PR rtl-optimization/25636
13089 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13090 when deciding whether an insn is an initializing insn.
13092 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13094 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13095 (tree_code_size): Ditto.
13096 * tree.h (struct tree_memory_tag): Remove parent_var.
13097 (struct tree_struct_field_tag): New.
13100 (union tree_node): Add sft member.
13101 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13103 (create_sft): Add size and offset argument, set SFT_OFFSET and
13105 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13106 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13107 * tree-flow-inline.h (get_subvar_at): Update for
13108 SFT_OFFSET/SFT_SIZE.
13109 (var_can_have_subvars): Ditto.
13110 (overlap_subvar): Ditto.
13111 * print-tree.c (print_node): Print out interesting things for
13113 * tree-flow.h (struct subvar): Remove offset and size members.
13114 * tree-ssa-operands.c (get_expr_operands): Update for
13115 get_indirect_ref_operands changes.
13116 (get_indirect_ref_operands): Call add_virtual_operand instead of
13117 add_stmt_operand. Only recurse on base var if requested.
13118 (access_can_touch_variable): New function.
13119 (add_stmt_operand): Split virtual operand handling into ...
13120 (add_virtual_operand): Here. Add offset, size, and for_clobber
13121 arguments. Prune alias sets.
13122 (add_call_clobber_ops): Call add_virtual_operand.
13124 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13126 PR middle-end/26300
13127 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13129 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13130 than TREE_CODE as index into omp_clause_num_ops array.
13132 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13134 PR rtl-optimization/26184
13135 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13137 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13138 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13139 must_precede, must_follow and tobe_scheduled.
13142 * opts.c (common_handle_option): Free new_option pointer.
13143 * df-core.c (df_analyze): Free postorder pointer.
13145 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13147 * Makefile.in: Fix the examples about the use of stamps
13149 2006-02-15 Michael Matz <matz@suse.de>
13151 PR middle-end/22275
13153 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13154 influenced by maximum_field_alignment or DECL_PACKED.
13155 (update_alignment_for_field): Ditto.
13156 (place_field): Ditto.
13157 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13160 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13162 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13163 (debug_flow_info): Pass it.
13164 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13165 * bb-reorder.c (reorder_basic_blocks): Likewise.
13166 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13167 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13168 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13169 * gcse.c (gcse_main, bypass_jumps): Likewise.
13170 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13171 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13172 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13173 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13174 * rtl.h (dump_flow_info): Adjust prototype.
13175 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13176 * var-tracking.c (variable_tracking_main): Likewise.
13177 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13178 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13181 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13183 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13186 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13188 PR tree-optimization/26209
13189 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13190 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13192 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13194 2006-02-14 Roger Sayle <roger@eyesopen.com>
13196 PR middle-end/23670
13197 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13198 (X,Y) and the corresponding symmetry related transformations.
13199 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13200 (X,Y) and its symmetry related transformations.
13202 2006-02-14 Roger Sayle <roger@eyesopen.com>
13204 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13207 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13209 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13211 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13214 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13215 support COMDAT group.
13216 * configure: Regenerate.
13218 2006-02-14 Roger Sayle <roger@eyesopen.com>
13220 PR middle-end/26279
13221 PR middle-end/26280
13222 PR middle-end/26283
13223 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13225 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13227 Fix PR tree-optimization/26260
13229 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13231 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13232 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13233 * tree-ssa-structalias.c (create_variable_info_for): Use
13234 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13236 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13238 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13240 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13241 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13242 of the ending condition.
13243 * tree-ssa-loop-manip.c: Include params.h.
13244 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13245 tree_unroll_loop): New functions.
13246 * tree-pass.h (pass_loop_prefetch): Declare.
13247 * loop.c (rest_of_handle_loop_optimize): Test for
13248 -fprefetch-loop-arrays-rtl.
13249 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13250 * timevar.def (TV_TREE_PREFETCH): New timevar.
13251 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13252 pass_loop_prefetch): New.
13253 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13254 (cleanup_tree_cfg_loop): Call scev_reset.
13255 * common.opt (fprefetch-loop-arrays-rtl): Add.
13256 * tree-ssa-loop-prefetch.c: New file.
13257 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13258 (new_temp_expr_table): Initialize expr_vars.
13259 (free_temp_expr_table): Cleanup expr_vars.
13260 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13261 expressions from being merged into one.
13262 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13263 (struct tree_niter_desc): Add control, bound and cmp fields.
13264 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13266 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13267 (tree-cfgcleanup.o): Add SCEV_H dependency.
13268 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13269 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13271 2006-02-14 Richard Guenther <rguenther@suse.de>
13273 PR tree-optimization/26258
13274 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13275 in PHI argument processing.
13277 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13279 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13280 new expression in the requested machine mode.
13282 2006-02-13 Roger Sayle <roger@eyesopen.com>
13284 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13285 directly, instead let do_compare_rtx_and_jump handle this for us.
13286 * expr.c (expand_expr_real_1): Likewise.
13287 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13288 before do_jump_by_parts_greater.
13289 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13290 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13292 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13294 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13296 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13298 PR rtl-optimization/26235
13299 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13300 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13303 2006-02-13 Jeff Law <law@redhat.com>
13305 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13308 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13310 PR middle-end/26092
13311 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13312 twice if decl is a builtin. When trying again, call get_callee_fndecl
13313 first to verify it is still a builtin.
13315 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13317 * dwarf2out.c (base_type_die): Don't add AT_name here.
13318 (subrange_type_die): Don't add AT_name here.
13319 (modified_type_die): Rearrange code flow. Do add AT_name here.
13321 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13323 PR rtl-optimization/26247
13324 PR rtl-optimization/26248
13325 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13327 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13329 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13330 * config/fixtfdi.c: Likewise.
13331 * config/fixunstfdi.c: Likewise.
13332 * config/floatditf.c: Likewise.
13334 2006-02-13 Roger Sayle <roger@eyesopen.com>
13336 PR middle-end/24427
13337 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13338 into (X,C2) if C1 is a subset of the bits of C2. Transform
13339 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13341 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13343 2006-02-13 Josh Conner <jconner@apple.com>
13346 * varasm.c (function_section): Check for section name before
13347 calling select_section on targets that define
13348 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13349 unlikely_text_section instead of hot_function_section if
13350 first_function_block_is_cold.
13352 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13354 PR middle-end/25335
13355 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13357 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13359 PR rtl-optimization/26222
13360 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13361 after tree->rtl expansion.
13362 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13363 before passing it to emit_move_insn.
13365 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13367 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13369 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13370 Clarify documentation.
13371 * c-common.h (warn_write_strings): Remove.
13372 * c-common.c (warn_write_strings): Likewise.
13373 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13376 2006-02-12 Roger Sayle <roger@eyesopen.com>
13378 PR middle-end/25724
13379 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13380 (do_jump_parts_zero_rtx): New function renamed from
13381 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13382 (do_jump_parts_equality_rtx): New function split out from
13383 do_jump_parts_equality. Old implementation renamed as above.
13384 Call do_jump_parts_zero_rtx if either operand is zero.
13385 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13386 do all of the heavy lifting.
13387 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13388 calling either do_jump_by_parts_greater_rtx or
13389 do_jump_by_parts_equality_rtx.
13390 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13391 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13392 moved to do_compare_rtx_and_jump, call it directly.
13393 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13394 mode argument. Call do_compare_rtx_and_jump.
13395 (emit_case_nodes): Update calls to do_jump_if_equal.
13397 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13399 PR rtl-optimization/26225
13400 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13402 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13404 PR rtl-optimization/26232
13405 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13407 2006-02-11 Jason Merrill <jason@redhat.com>
13410 * tree-inline.c (declare_return_variable): Just don't use the
13411 modify target if it's a gimple complex reg and the return slot
13414 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13416 * doc/contrib.texi: Update my entry.
13418 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13420 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13422 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13424 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13427 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13429 * doc/invoke.texi (-floop-optimize2): Removed.
13430 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13431 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13432 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13433 * common.opt (floop-optimize2): Removed.
13434 (fmove-loop-invariants): Enabled by default.
13436 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13438 * tree-if-conv.c (combine_blocks): Free the result of
13439 get_loop_exit_edges.
13441 2006-02-10 Jeff Law <law@redhat.com>
13443 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13445 PR tree-optimization/26213
13446 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13447 loop trying to follow SSA_NAME_VALUE chains.
13449 2006-02-10 Richard Guenther <rguenther@suse.de>
13451 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13452 deal with structures that end in implicitly variable sized arrays.
13454 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13456 PR rtl-optimization/24762
13457 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13460 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13462 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13463 (struct ivopts_data): Add regs_used field.
13464 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13465 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13466 instead of loop_data->regs_used;
13467 (free_loop_data): Do not free aux fields for loops.
13468 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13469 and tree_ssa_iv_optimize_finalize.
13471 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13473 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13475 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13478 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13479 computing the effective result type.
13481 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13483 PR inline-asm/16194
13484 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13485 (tree_overlaps_hard_reg_set): Declare.
13486 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13487 type and signature to match function type expected by walk_tree.
13488 (tree_overlaps_hard_reg_set): New function.
13489 (decl_conflicts_with_clobbers_p): Rename to:
13490 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13491 Use tree_overlaps_hard_reg_set. Changed caller.
13492 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13493 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13494 * cris.c (cris_md_asm_clobbers): Likewise.
13496 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13498 * reload1.c (emit_input_reload_insns): Delete code that tries to
13499 inherit using find_equiv_reg.
13501 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13503 * c-common.h (flag_const_strings): Don't declare.
13504 * c-common.c (flag_const_strings): Remove.
13505 * c.opt (fconst_strings): Remove.
13506 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13507 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13508 (c_common_init_options): Don't set flag_const_strings.
13509 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13511 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13513 * arm.md (tlobits_cbranch): New pattern.
13514 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13515 testing a single bit.
13517 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13520 * tree-ssa-pre.c (create_component_ref_by_pieces):
13521 Handle RETURN_DECL like VAR_DECL.
13523 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13525 PR middle-end/26134
13526 * fold-const.c (fold_indirect_ref_1): Fold
13527 "*(foo *)&complexfoo" to "__real__ complexfoo"
13528 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13530 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13532 * tree-flow-inline.h (var_can_have_subvars):
13533 Volatile variables should not have subvariables.
13535 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13538 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13539 multiplying unsigned values.
13542 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13544 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13546 2006-02-08 Jason Merrill <jason@redhat.com>
13549 * tree.def: Elaborate on difference from MODIFY_EXPR.
13550 * doc/c-tree.texi (INIT_EXPR): Likewise.
13551 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13552 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13553 (gimplify_target_expr): Likewise.
13554 (gimplify_cond_expr): Remove target handling.
13555 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13556 (gimplify_expr): Clobber it here.
13557 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13558 Do return slot optimization if we have an INIT_EXPR.
13561 * tree-inline.c (declare_return_variable): Also clear
13562 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13565 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13567 PR middle-end/22439
13568 * gimplify.c (gimplify_one_sizepos): Fix typo.
13570 2006-02-08 Jeff Law <law@redhat.com>
13572 PR tree-optimization/21417
13573 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13574 across a backedge if the control statement at the end of the
13575 block is data dependent on other statements in the same block.
13576 (record_temporary_equivalences_from_stmts): Remove over-conservative
13577 test for threading across backedges.
13579 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13580 control statement, handle all three special cases in the same
13581 manner as they all have the same desired solution. No longer
13582 special case edge flag updating when the post dominator is
13585 2006-02-08 Roger Sayle <roger@eyesopen.com>
13587 * tree.def (CHAR_TYPE): Remove.
13588 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13589 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13590 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13591 (gen_string_type_die): Delete unreachable function.
13593 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13594 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13595 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13596 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13597 * builtins.c (type_to_class): Likewise.
13598 * fold-const.c (fold_convert, build_range_check,
13599 merge_ranges): Likewise.
13600 * expr.c (count_type_elements): Likewise.
13601 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13602 * stor-layout.c (layout_type): Likewise.
13603 * ipa-type-escape.c (type_to_consider): Likewise.
13604 * gimplify.c (omp_firstprivatize_type_sizes,
13605 gimplify_type_sizes): Likewise.
13606 * explow.c (promote_mode): Likewise.
13607 * tree-sra.c (is_sra_scalar_type): Likewise.
13608 * varasm.c (output_constant): Likewise.
13609 * tree-inline.c (remap_type_1): Likewise.
13610 * convert.c (convert_to_pointer, convert_to_real,
13611 convert_to_integer, convert_to_complex): Likewise.
13613 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13615 * df-scan.c (df_def_record_1): A set destination may
13616 be a parallel regardless of mode.
13618 2006-02-08 Roger Sayle <roger@eyesopen.com>
13621 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13622 * config/mips/_tilib.c: Remove.
13623 * config/fixtfdi.c: New libgcc source file.
13624 * config/fixunstfdi.c: New source file.
13625 * config/floatditf.c: New source file.
13626 * config/floatunditf.c: New souce file.
13627 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13628 files above instead of config/mips/_tilib.c.
13629 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13631 2006-02-08 Jeff Law <law@redhat.com>
13633 PR tree-optimization/26169
13634 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13637 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13639 * df.h (DF_REG_SIZE): Return the length of the initialized
13642 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13644 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13645 __muldf3): Return a correctly signed zero.
13647 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13649 * passes.c (register_one_dump_file): Accept the current properties
13650 instead of pass number. Adjust call to dump_register. Remove
13652 (register_dump_files): Now a wrapper around...
13653 (register_dump_files_1): ... this one. Do not modify the pass
13655 (next_pass_1): Cosmetic fix.
13656 (execute_todo): Keep second parameter only. Use curr_properties
13657 instead of fetching it from the pass structure. Check and set
13659 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13660 instead of fetching it from the pass structure. Fix calls to
13661 execute_todo. Update curr_properties and initialize .vcg RTL dump
13662 after running the pass. Reset last_verified.
13663 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13665 (FIRST_AUTO_NUMBERED_DUMP): New.
13666 (dump_register): Remove "num" parameter, assign it within the
13668 (get_dump_file_name): Modify template for dumps.
13669 * tree-dump.h (dump_register): Adjust prototype.
13670 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13671 (PROP_trees): Add PROP_gimple_lomp.
13672 (TODO_set_props): New.
13673 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13674 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13675 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13677 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13679 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13680 (sparc64-*-linux*): Likewise.
13681 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13682 * config/sparc/t-linux: New file.
13683 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13684 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13685 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13686 -m32 -mlong-double-128.
13688 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13689 * config/alpha/t-linux: New file.
13690 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13692 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13693 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13694 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13695 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13696 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13697 (CPP_ARCH32_SPEC): Remove.
13699 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13701 PR tree-optimization/26145
13702 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13705 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13708 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13709 >= 240000 when generating code for SOM runtime.
13710 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13711 to $$dyncall when generating code for SOM runtime..
13713 2006-02-07 Dirk Mueller <dmueller@suse.com>
13716 * doc/invoke.texi (-Wsequence-point): Update documentation
13717 that -Wsequence-point is implemented for C++ as well.
13719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13721 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13722 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13723 (LIB_SPEC): Likewise.
13724 * doc/invoke.texi (SPARC options): Document -pthread.
13726 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13728 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13731 2006-02-07 Roger Sayle <roger@eyesopen.com>
13733 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13734 Correct comment describing BOOLEAN_TYPE.
13736 2006-02-07 Dirk Mueller <dmueller@suse.com>
13738 * c.opt: C++ frontend supports -Wdiv-by-zero.
13739 * c-opts.c (c_common_handle_option): Remove dead case.
13741 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13743 * configure.ac (TLS assembler check): Do not enable TLS by
13744 default on SPARC/Solaris before version 10.
13745 * configure: Regenerate.
13747 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13749 * doc/invoke.texi (xl-compat): Document conversion and support
13752 2006-02-07 Jeff Law <law@redhat.com>
13754 * tree-vrp.c (find_conditional_asserts): Update comments.
13755 (simplify_stmt_for_jump_threading): New.
13756 (identify_jump_threads, finalize_jump_threads): New.
13757 (vrp_finalize): Call identify_jump_threads.
13758 (execute_vrp): Call finalize_jump_threads.
13759 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13760 (vrp_element, vrp_data, vrp_element_p): Remove.
13761 (vrp_hash_elt, vrp_variables_stack): Remove.
13762 (vrp_hash, vrp_eq, record_range): Remove.
13763 (simplify_cond_and_lookup_avail_expr): Remove.
13764 (extract_range_from_cond): Remove.
13765 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13766 (simplify_stmt_for_jump_threading): New.
13767 (dom_thread_across_edge): New wrapper.
13768 (tree_ssa_dominator_optimize): No longer initialize or
13769 finalize any of the VRP datastructures. Remove iteration
13770 step and simplify as a result of removal of iteration step.
13771 (pass_dominator): Perform a cfg cleanup after DOM.
13772 (dom_opt_finalize_block): Use the new common routines
13773 for threading jumps. Simplify stack management slightly.
13774 No longer need to unwind VRP state.
13775 (record_equivalences_from_incoming_edge): No longer record
13777 (eliminate_redundant_computations): No longer call
13778 simplify_cond_and_lookup_avail_expr.
13779 * tree-flow.h (potentially_threadable_block): Prototype.
13780 (thread_across_edge): Likewise.
13781 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13782 (tree-ssa-threadedge.o): Add dependencies.
13783 * tree-ssa-threadedge.c: New file.
13784 * passes.c (init_optimization_passes): Merge PHIs before
13785 calling VRP. Run VRP again late in the SSA optimization pipeline.
13787 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13789 * df-core.c (df_set_blocks): Do not dereference function pointers.
13790 (df_finish1): Likewise.
13791 (df_hybrid_search_forward): Likewise.
13792 (df_hybrid_search_backward): Likewise.
13793 (df_iterative_dataflow): Likewise.
13794 (df_analyze_problem): Likewise.
13795 (df_compact_blocks): Likewise.
13796 (df_dump): Likewise.
13797 * df-scan.c (df_rescan_blocks): Likewise.
13798 (df_record_entry_block_defs): Likewise.
13800 * genconditions.c (write_conditions): Guard the definition of
13801 'insn_conditions' with the check on GCC version.
13802 (write_writer): Guard the traversal 'insn_conditions' with
13803 the check on GCC version.
13805 2006-02-07 Richard Guenther <rguenther@suse.de>
13809 2006-01-30 Richard Guenther <rguenther@suse.de>
13811 * gimplify.c (gimplify_target_expr): Handle easy cases
13812 without creating a temporary.
13814 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13816 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13817 use of float in probability computations. Use edge probabilities
13818 in place of statically computed probabilities.
13819 (min_spec_prob): New static variable.
13820 (schedule_insns): Initialize it.
13821 (GET_SRC_PROB): Removed.
13822 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13824 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13827 * config/ia64/unwind-ia64.c: Revert last change.
13828 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13829 (INCOMING_FRAME_SP_OFFSET): Define.
13831 2006-02-06 Roger Sayle <roger@eyesopen.com>
13833 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13835 2006-02-07 Ben Elliston <bje@au.ibm.com>
13837 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13838 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13839 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13840 (ix86_return_in_memory): Handle TDmode.
13841 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13842 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13844 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13846 * reorg.c (dbr_schedule): Use dump_file instead of file.
13848 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13851 * config/ia64/predicates.md (extr_len_operand): New predicate.
13852 * config/ia64/ia64.md (extv): Tighten constraints.
13854 (*tbit_and_2): Ditto.
13855 (*tbit_and_3): Ditto.
13856 (*tbit_or_2): Ditto.
13857 (*tbit_or_3): Ditto.
13858 (*bit_zero): Ditto.
13861 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13864 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13866 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13868 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13869 loop_optimizer_init and loop_optimizer_finalize
13870 * tree-ssa-sink.c (execute_sink_code): Ditto.
13871 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13872 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13873 tree_ssa_loop_done): Ditto.
13874 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13875 * sched-ebb.c: Include output.h.
13876 (schedule_ebbs): Do not use dump argument.
13877 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13878 * loop.c (loop_dump_stream): Removed.
13879 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13881 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13882 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13883 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13884 loop_iterations, strength_reduce, record_biv, record_giv,
13885 final_giv_value, check_final_value, check_ext_dependent_givs,
13886 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13887 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13888 dump_file instead of loop_dump_stream.
13889 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13890 argument dump_file.
13891 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13893 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13894 * haifa-sched.c: Include output.h
13895 (schedule_insns, sched_init): Do not use dump argument.
13896 * mode-switching.c (optimize_mode_switching): Ditto.
13897 * modulo-sched.c (stats_file): Removed.
13898 (print_node_sched_params): Do not call argument dump_file.
13899 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13900 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13902 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13904 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13905 rtl_loop_init, rtl_loop_done): Ditto.
13906 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13907 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13909 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13910 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13911 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13912 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13913 * emit-rtl.c (renumber_insns): Ditto.
13914 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13915 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13916 * regclass.c (regclass): Ditto.
13917 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13918 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13919 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13920 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13922 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13923 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13925 * gcse.c (gcse_file, debug_stderr): Removed.
13926 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13927 rest_of_handle_gcse): Do not use dump argument.
13928 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13929 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13930 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13931 compute_code_hoist_vbeinout, compute_code_hoist_data,
13932 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13933 compute_store_table, build_store_vectors, insert_insn_start_bb,
13934 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13935 store_motion): Use dump_file instead of gcse_file.
13936 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13937 * profile.c (profile_dump_file): Removed.
13938 (branch_prob): Use dump_file instead of profile_dump_file.
13939 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13941 * tree-ssa-copy.c (dump_copy_of): Ditto.
13942 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13943 dump file to life_analysis.
13944 * bt-load.c (branch_target_load_optimize): Ditto.
13945 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13947 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13948 regclass, dbr_schedule): Declaration changed.
13949 * sched-int.h (sched_init): Declaration changed.
13950 * tree-profile.c (tree_profile_dump_file): Removed.
13951 (tree_profile_hooks): Removed profile_dump_file hook.
13952 * rtl-profile (rtl_profile_dump_file): Removed.
13953 (rtl_profile_hooks): emoved profile_dump_file hook.
13954 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13956 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13957 * tree-cfg.c (build_tree_cfg): Ditto.
13958 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13959 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13960 Declaration changed.
13961 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13962 life_analysis and schedule_insns.
13963 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13965 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13967 * config/mips/mips.c (mips_reorg): Ditto.
13968 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13971 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13973 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13974 (s390_mangle_fundamental_type): New.
13975 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13978 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13979 (alpha_mangle_fundamental_type): New.
13980 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13983 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13985 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13987 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13988 (sparc_mangle_fundamental_type): New.
13990 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13992 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13993 (s390x-*-linux*): Likewise.
13994 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13995 * config/s390/t-linux: New file.
13997 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13999 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14000 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14002 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14004 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14005 (ANTIC_SAFE_LOADS): New macro.
14006 (find_or_generate_expression): Add prototype.
14007 (set_contains_value): Allow null set for sake of not always having
14008 to allocate ANTIC_SAFE_LOADS.
14009 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14010 Allow COMPONENT_REF too.
14011 (valid_in_set): Allow COMPONENT_REF.
14012 Check ANTIC_SAFE_LOADS too.
14013 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14014 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14016 (can_PRE_operation): Add COMPONENT_REF.
14017 (create_component_ref_by_pieces): New function.
14018 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14019 (insert_aux): Move AGGREGATE_TYPE_P check here.
14020 (compute_avail): Set bb local stmt uids.
14021 (pass_pre): Use TODO_update_ssa_only_virtuals.
14023 2006-02-06 Ben Elliston <bje@au.ibm.com>
14025 * configure.ac: Unconditionally disable decimal float by default.
14026 * configure: Regenerate.
14028 2006-02-06 Ben Elliston <bje@au.ibm.com>
14030 * read-rtl.c (read_name): Terminate reading on EOF.
14032 2006-02-06 Ben Elliston <bje@au.ibm.com>
14034 * dfp.c (decimal_real_arithmetic): Change second argument type
14035 from int to enum tree_code. Do not always return true, but now
14036 return result of any call to decimal_do helper functions.
14037 * dfp.h (decimal_real_arithmetic): Update prototype.
14039 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14041 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14043 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14046 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14049 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14051 * tree-vrp.c (cfg_loops): Removed.
14052 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14053 Use current_loops instead of cfg_loops. Pass flags to
14054 loop_optimizer_init.
14055 * cfgloopmanip.c (fix_loop_structure): Update only available
14057 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14058 loop_optimizer_init.
14059 * modulo-sched.c (build_loops_structure): Removed.
14060 (sms_schedule): Use loop_optimizer_init.
14061 * loop-init.c (loop_optimizer_init): Use flags to determine
14062 which properties of loops to prepare.
14063 (rtl_loop_init): Pass flags to loop_optimizer_init.
14064 * tree-ssa-sink.c (execute_sink_code): Ditto.
14065 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14066 * tree-ssa-pre.c (init_pre): Ditto.
14067 * cfgloop.h (LOOPS_NORMAL): New.
14068 (loop_optimizer_init): Declaration changed.
14070 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14072 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14073 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14075 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14077 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14079 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14080 * pa/t-pa64: Delete quadlib.c rule.
14081 * pa/x-ada: Revert last change.
14082 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14084 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14086 PR rtl-optimization/26087
14087 * rtlanal.c (canonicalize_condition): Do not cross basic block
14090 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14093 * config/ia64/ia64.c: Include debug.h.
14094 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14095 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14096 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14097 (process_epilogue, process_set, process_for_unwind_directive):
14098 Output unwind info only if requested. Add CFA info if requested.
14099 Add new arguments as needed. Adjust callers.
14100 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14102 (DWARF2_FRAME_INFO): Define to zero.
14103 * config/ia64/unwind-ia64.c: Remove code that compensated for
14104 the CFA offset error fixed above.
14105 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14106 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14107 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14108 -funwind-tables and -fexceptions to enable frame info.
14109 (dwarf2out_frame_init): Define initial CFA even if
14110 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14111 DWARF2_UNWIND_INFO is nonzero, not just defined.
14112 (dwarf2out_frame_finish): Output non-EH call frame info only
14113 if DWARF2_FRAME_INFO is nonzero.
14114 (convert_cfa_to_loc_list,
14115 compute_frame_pointer_to_cfa_displacement): Define even if
14116 unwind info is not supported.
14117 (gen_subprogram_die): Use the above unconditionally. Remove
14118 legacy alternate code.
14119 * toplev.c (compile_file): Compile in call to
14120 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14121 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14123 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14124 Jakub Jelinek <jakub@redhat.com>
14126 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14127 IBM extended float format long double as "g" on powerpc*-linux.
14129 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14132 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14133 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14135 2006-02-03 Jason Merrill <jason@redhat.com>
14138 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14140 PR middle-end/25977
14141 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14142 on the return slot if it's an NRV.
14144 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14146 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14147 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14148 rewrite_use): Do not handle USE_OUTER.
14149 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14150 add_iv_outer_candidates, may_replace_final_value,
14151 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14152 (find_interesting_uses_op): Functionality of
14153 find_interesting_uses_outer_or_nonlin moved here.
14154 (find_interesting_uses_outside): Use find_interesting_uses_op.
14156 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14159 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14161 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14162 Ulrich Weigand <uweigand@de.ibm.com>
14165 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14166 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14167 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14168 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14170 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14171 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14172 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14173 Define secondary reloads for TFmode moves.
14174 (constant_modes): Add TFmode.
14175 (NR_C_MODES): Set to 8.
14176 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14178 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14179 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14180 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14181 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14182 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14183 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14184 (FPR mode macro): Add TFmode.
14185 (DSF mode macro): New.
14186 (<de>, <dee> mode attributes): Removed.
14187 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14188 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14189 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14190 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14191 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14192 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14193 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14194 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14195 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14196 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14197 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14198 "*negabs<mode>2", "sqrt<mode>2"):
14199 Changed <de> to <xde>. R constraint replaced by <Rf>.
14200 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14202 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14203 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14204 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14206 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14207 "extenddftf2", "extendsftf2"): New expanders.
14208 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14209 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14210 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14211 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14213 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14214 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14215 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14216 __floatditf): Add a GCC_4.1.0 symbol version tag.
14217 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14220 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14223 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14224 Use targetm.binds_local_p instead of TREE_PUBLIC.
14226 2006-02-02 Roger Sayle <roger@eyesopen.com>
14228 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14229 on INTEGER_TYPEs to indicate that it denotes a character type.
14230 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14231 signed_char_type_node, unsigned_char_type_node and char_type_node.
14232 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14233 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14234 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14236 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14237 Daniel Berlin <dberlin@dberlin.org>
14239 * tree-tailcall.c (arg_needs_copy_p): New function.
14240 (eliminate_tail_call): Use arg_needs_copy_p.
14241 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14242 (add_virtual_phis): New function.
14244 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14246 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14247 #ignore instead of #scratch for %g7 .register directive.
14249 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14251 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14254 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14256 * flow.c (calculate_global_regs_live): Assert that there aren't any
14259 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14261 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14262 what its name says.
14263 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14264 bsi_after_labels iterator.
14265 * tree-if-conv.c (find_phi_replacement_condition,
14266 replace_phi_with_cond_modify_expr): Likewise.
14267 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14268 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14270 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14272 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14274 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14277 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14278 array after growing it.
14280 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14282 PR middle-end/24901
14283 * fold-const.c (fold_checksum_tree): Change type of buf.
14285 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14287 * reload.c (push_secondary_reload): Initialize t_icode.
14289 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14291 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14292 -msoft-float -mlong-double-128 only issue a warning, but don't
14293 swich to DFmode long double.
14295 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14297 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14298 has a constant equivalent, iterate over equivalents for arg0,
14299 calling simplify_relational_operation and if there's a result
14300 cheaper than X, apply fold_rtx and return the result.
14302 2006-02-01 Jan Hubicka <jh@suse.cz>
14304 * opts.c (no_unit_at_a_time_default): New global variable.
14305 (decode_options): Use it.
14306 * opts.h (no_unit_at_a_time_default): Declare.
14308 2006-02-01 Paul Brook <paul@codesourcery.com>
14310 * function.c (assign_parm_setup_reg): Use function argument promotion
14312 * expr.c (expand_expr_real_1): Use function argument promotion rules
14315 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14317 * gcc.c (process_command): Change j to 'unsigned int'.
14319 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14321 PR middle-end/26001
14322 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14323 Use the corrected index for the character
14324 out of the string constant.
14326 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14328 * mode-switching.c (optimize_mode_switching): Fix size
14329 allocated for bb_info[n_entities].
14331 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14333 * gcc.c (main): Correct type that is allocated for
14334 explicit_link_files.
14336 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14338 * config/s390/s390.c (init_alignment_context): Set
14339 ALIAS_SET_MEMORY_BARRIER on the MEM.
14340 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14342 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14344 PR middle-end/25933
14345 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14347 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14350 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14352 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14353 * regrename.c: Ditto.
14354 * tree-ssa-loop-im.c: Ditto.
14355 * tree-dump.c: Ditto.
14356 * tree-complex.c: Ditto.
14357 * genrecog.c: Ditto.
14358 * tree-ssa-threadupdate.c: Ditto.
14360 * java/class.c: Ditto.
14361 * java/jcf-parse.c: Ditto.
14362 * java/resource.c: Ditto.
14363 * java/except.c: Ditto.
14364 * java/jvspec.c: Ditto.
14365 * java/jcf-write.c: Ditto.
14366 * java/jcf-path.c: Ditto.
14367 * java/gjavah.c: Ditto.
14368 * java/zextract.c: Ditto.
14369 * java/jcf-io.c: Ditto.
14370 * java/jcf.h: Ditto.
14371 * java/buffer.c: Ditto.
14372 * java/lang.c: Ditto.
14373 * java/parse-scan.y: Ditto.
14374 * java/lex.c: Ditto.
14375 * java/lex.h: Ditto.
14376 * cfgloopmanip.c: Ditto.
14377 * postreload-gcse.c: Ditto.
14378 * tree-ssa-loop-manip.c: Ditto.
14379 * postreload.c: Ditto.
14380 * tree-ssa-loop-ch.c: Ditto.
14383 * cppspec.c: Ditto.
14384 * diagnostic.c: Ditto.
14386 * genoutput.c: Ditto.
14388 * cfghooks.c: Ditto.
14389 * cfgloopanal.c: Ditto.
14390 * objc/objc-act.c: Ditto.
14392 * genextract.c: Ditto.
14393 * genautomata.c: Ditto.
14394 * pretty-print.c: Ditto.
14395 * genemit.c: Ditto.
14396 * cgraphunit.c: Ditto.
14398 * df-scan.c: Ditto.
14399 * haifa-sched.c: Ditto.
14400 * dominance.c: Ditto.
14402 * tree-ssa-loop-ivopts.c: Ditto.
14403 * df-core.c: Ditto.
14404 * mode-switching.c: Ditto.
14405 * modulo-sched.c: Ditto.
14407 * ipa-pure-const.c: Ditto.
14409 * fix-header.c: Ditto.
14411 * tree-stdarg.c: Ditto.
14412 * ipa-utils.c: Ditto.
14413 * loop-init.c: Ditto.
14414 * ipa-inline.c: Ditto.
14415 * cfganal.c: Ditto.
14417 * alloc-pool.c: Ditto.
14418 * dwarf2out.c: Ditto.
14420 * genattrtab.c: Ditto.
14421 * tree-ssa-loop-ivcanon.c: Ditto.
14422 * predict.c: Ditto.
14423 * timevar.c: Ditto.
14425 * fortran/gfortranspec.c: Ditto.
14426 * regmove.c: Ditto.
14427 * local-alloc.c: Ditto.
14428 * langhooks.c: Ditto.
14429 * function.c: Ditto.
14430 * tree-vectorizer.c: Ditto.
14432 * ipa-type-escape.c: Ditto.
14434 * tree-if-conv.c: Ditto.
14435 * profile.c: Ditto.
14437 * tree-data-ref.c: Ditto.
14438 * loop-unroll.c: Ditto.
14439 * treelang/treetree.c: Ditto.
14441 * bt-load.c: Ditto.
14442 * ggc-common.c: Ditto.
14444 * coverage.c: Ditto.
14446 * tree-cfgcleanup.c: Ditto.
14447 * tree-ssa-pre.c: Ditto.
14448 * cfgcleanup.c: Ditto.
14449 * loop-invariant.c: Ditto.
14450 * loop-iv.c: Ditto.
14451 * ipa-prop.c: Ditto.
14452 * print-tree.c: Ditto.
14453 * conflict.c: Ditto.
14454 * ggc-page.c: Ditto.
14455 * sched-deps.c: Ditto.
14456 * regclass.c: Ditto.
14457 * tree-object-size.c: Ditto.
14458 * combine.c: Ditto.
14459 * bb-reorder.c: Ditto.
14460 * resource.c: Ditto.
14461 * var-tracking.c: Ditto.
14462 * cfgloop.c: Ditto.
14463 * df-problems.c: Ditto.
14464 * reg-stack.c: Ditto.
14466 * gccspec.c: Ditto.
14467 * sched-rgn.c: Ditto.
14468 * tree-ssa-structalias.c: Ditto.
14469 * tree-ssa-reassoc.c: Ditto.
14470 * config/darwin-c.c: Ditto.
14471 * config/darwin.c: Ditto.
14472 * config/arm/arm.c: Ditto.
14474 * collect2.c: Ditto.
14475 * reload1.c: Ditto.
14477 2006-01-31 Nicolas Pitre <nico@cam.org>
14479 * arm.md (smaxsi3): Make aware of smax_m1.
14482 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14484 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14486 2006-01-31 Richard Guenther <rguenther@suse.de>
14488 * doc/invoke.texi (-msselibm): Document.
14489 * target.h (expand_library_builtin): New target hook.
14490 * builtins.c (expand_builtin): Use expand_library_builtin.
14491 (default_expand_library_builtin): New function.
14492 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14493 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14494 (link_gcc_math_spec): Declare.
14495 (static_specs): Add link_gcc_math_spec.
14496 * expr.h (default_expand_library_builtin): Declare.
14497 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14498 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14499 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14500 * config/i386/i386.opt (msselibm): New target option.
14501 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14502 (ix86_init_sse_abi_builtins): New function.
14503 (ix86_expand_library_builtin): Likewise.
14504 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14505 (override_options): Handle error conditions wrt -msselibm.
14506 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14507 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14508 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14511 2006-01-31 Richard Guenther <rguenther@suse.de>
14512 Paolo Bonzini <bonzini@gnu.org>
14514 * doc/install.texi (--disable-libgcc-math): Document.
14516 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14518 * expr.h (expand_normal): new inline function.
14519 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14520 * dojump.c: use it.
14521 * dwarf2out.c: use it.
14524 * expmed.c: use it.
14525 * except.c: use it.
14526 * config/sparc/sparc.c: use it.
14527 * config/i386/i386.c: use it.
14528 * config/rs6000/rs6000.c: use it.
14529 * config/arm/arm.c: use it.
14530 * config/mips/mips.c: use it.
14531 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14533 2006-01-30 Roger Sayle <roger@eyesopen.com>
14535 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14536 argv to the appropriate type.
14538 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14540 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14543 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14546 * config/s390/s390.c (struct machine_function): New flag
14547 decomposed_literal_pool_addresses_ok_p.
14548 (s390_reorg): Set it before final stage of literal pool transforms.
14549 (s390_decompose_address): Only accept displacements of the form
14550 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14552 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14554 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14555 the comparison routine return.
14557 2006-01-30 Michael Matz <matz@suse.de>
14559 * global.c (find_reg): Only evict for global regs.
14560 Take n_refs into account and dump more info.
14562 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14565 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14566 (pragma_trap, pragma_nosave_low_regs): Likewise.
14567 (current_function_anonymous_args): Likewise.
14568 (sh_deferred_function_attributes): New variable.
14569 (sh_deferred_function_attributes_tail): Likewise.
14570 (print_operand): For '@', look up trap_exit attribute.
14571 (calc_live_regs): Look up trapa_handler attribute. For trapa
14572 handlers, save/restore fpscr, but don't do any other
14573 interrupt-specific saves.
14574 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14575 Fix check for partially saved registers to check for SHmedia.
14576 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14577 (sh_output_function_epilogue): Don't clear any of the removed
14579 (sh_insert_attributes): Don't check pragma_interrupt.
14580 Insert deferred attributes. Check that interrupt attribute is
14581 present for other attributes that require its presence.
14582 (sh_attribute_table): Add new attributes trapa_handler and
14584 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14585 Don't check for pragma_interrupt. Don't store argument.
14586 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14587 (sh_deferred_function_attributes): Declare.
14588 (sh_deferred_function_attributes_tail): Likewise.
14589 * sh.md (sp_switch_1): Add operand. Change generator caller.
14590 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14591 (*return_i): Don't use when trap_exit attribute is in effect.
14592 (*return_trapa): New insn pattern.
14593 * sh-c.c: New file.
14594 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14595 setting c_target_objs and cxx_target_objs.
14596 * t-sh: Add rule for sh-c.o.
14598 2006-01-30 Richard Guenther <rguenther@suse.de>
14601 * gimplify.c (gimplify_target_expr): Handle easy cases
14602 without creating a temporary.
14604 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14606 * vec.h (safe_grow): Remove duplicated line.
14608 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14611 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14612 (expand_omp): ... here.
14613 (expand_omp_parallel): Only remove barriers for combined
14614 parallel+workshare constructs.
14616 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14620 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14621 * tree.c (build_qualified_type): Chain the new type to the original
14622 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14623 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14624 (build_pointer_type_for_mode): Only return unqualified types.
14625 (build_reference_type_for_mode): Likewise.
14627 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14629 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14630 * Makefile.in (CXX_COMPAT_WARN): Define.
14631 * configure: Regenerate.
14633 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14636 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14639 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14641 * toplev.c: Fix thinko.
14643 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14644 Marcin Dalecki <martin@dalecki.de>
14646 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14647 (push_srcloc): Use XNEW.
14648 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14650 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14652 * df-core.c (df_set_blocks): Deleted all variable.
14654 2006-01-28 Ian Lance Taylor <ian@airs.com>
14656 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14657 cgraph_output_pending_asms.
14659 2006-01-28 Zack Weinberg <zackw@panix.com>
14661 * c.opt: Add -W(no-)overlength-strings.
14662 * doc/invoke.texi: Document it.
14663 * c-opts.c (c_common_handle_option): -pedantic implies
14664 -Woverlength-strings, if not explicitly disabled already.
14665 (c_common_post_options): -Woverlength-strings defaults to off, and
14666 is always off for C++.
14667 * c-common.c (fix_string_type): Issue warning about strings longer
14668 than is portable only if warn_overlength_strings. Rearrange code
14669 a little for clarity.
14670 * configure.in: Check for -Wno-overlength-strings as well before
14671 enabling -pedantic in stage 1.
14672 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14673 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14675 * genconditions.c (write_header, write_one_condition)
14676 (write_conditions, write_writer): Consolidate very long strings
14677 that were broken up to fit in C89 portable limit. Don't use
14678 printf when fputs will do.
14680 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14682 * combine.c (simplify_comparison <AND>): Check
14683 TRULY_NOOP_TRUNCATION before start using a subreg.
14685 * config/mips/mips.md (*branch_zero<mode>,
14686 *branch_zero<mode>_inverted, *branch_equality<mode>,
14687 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14688 Remove mode check from comparisons.
14690 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14692 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14694 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14696 * expmed.c (const_mult_add_overflow_p): Remove.
14697 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14699 * recog.c (validate_replace_rtx_subexp): Remove.
14700 * recog.h: Remove the prototype for
14701 validate_replace_rtx_subexp.
14703 * integrate.h: Remove the prototype for
14704 copy_decl_for_inlining.
14705 * rtl.h: Remove the prototype for mark_constant_function.
14706 * tree-vectorizer.h: Remove the prototype for
14707 vect_strip_conversion.
14709 * modulo-sched.c (create_partial_schedule,
14710 free_partial_schedule, reset_partial_schedule): Make them
14713 * hooks.c (hook_bool_rtx_int_false): Remove.
14714 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14716 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14718 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14719 and -mlong-double-128 are incompatible.
14720 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14721 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14722 (TARGET_LIBGCC2_CFLAGS): Define.
14723 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14724 (TARGET_LIBGCC2_CFLAGS): Same.
14725 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14727 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14730 * c-typeck.c (build_binary_op): Perform implicit casts of
14731 operands before shortening them.
14733 * cfgloopmanip.c (split_loop_bb): Remove.
14734 * cfgloop.h: Remove the prototype for split_loop_bb.
14736 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14737 * cfgloop.h: Remove the prototype for
14738 flow_loop_outside_edge_p.
14740 * emit-rtl.c (init_virtual_regs): Make it static.
14741 * function.h: Remove the prototype for init_virtual_regs.
14743 * recog.c (peephole2_optimize): Make it static.
14744 * recog.h: Remove the prototype for peephole2_optimize.
14746 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14748 * df-scan.c (df_record_entry_block_defs): Check if
14749 INCOMING_RETURN_ADDR_RTX is defined.
14751 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14752 Kenneth Zadeck <zadeck@naturalbridge.com>
14754 PR rtl-optimization/24762
14755 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14756 * targhooks.c (hook_void_bitmap): New hook prototype.
14757 * targhoohs.h (hook_void_bitmap): Ditto.
14758 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14759 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14760 * target.h (live_on_entry): New function pointer.
14761 * df-scan.c (df_all_hard_regs): Removed.
14762 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14763 (df_scan_free_internal): Added df->entry_block_defs.
14764 (df_scan_alloc): Ditto.
14765 (df_scan_dump): Ditto.
14766 (df_uses_record): Plumbed flag field properly thru calls.
14767 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14768 This part fixes PR24762.
14769 (df_bb_refs_record): Added code to make the frame and arg
14770 pointers live in EH blocks.
14771 (df_refs_record): Added call to df_record_entry_block_defs.
14772 (df_record_entry_block_defs): New function.
14773 * df-core.c: Added comments to describe new artifical defs.
14774 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14775 (entry_block_defs): New field in struct df.
14776 (df_all_hard_regs): Deleted.
14777 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14778 * df-problems.c (df_ru_bb_local_compute_process_def):
14779 Added code to handle artifical defs in the entry to a function.
14780 (df_ru_bb_local_compute): Ditto.
14781 (df_rd_bb_local_compute_process_def): Ditto.
14782 (df_rd_bb_local_compute): Ditto.
14783 (df_lr_bb_local_compute): Ditto.
14784 (df_ur_bb_local_compute): Ditto.
14785 (df_urec_bb_local_compute): Ditto.
14786 (df_chain_create_bb): Ditto.
14787 (df_ur_local_finalize): Removed entry.
14788 (df_urec_init): Ditto.
14789 (df_urec_local_finalize): Ditto.
14790 (df_ri_bb_compute): Added detection of last use of pseudos.
14791 * Makefile.in (df-scan.o): Updated dependencies.
14792 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14793 * config/mips/mips.c (mips_set_live_on_entry): Added.
14794 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14796 * dce.c (marked_insn_p): Added code to handle artifical defs.
14798 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14800 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14802 (_mm_cvtsi128_si64): Likewise.
14803 (_mm_cvtsd_si64): Likewise.
14804 (_mm_cvttsd_si64): Likewise.
14805 (_mm_cvtsi64_sd): Likewise.
14806 (_mm_cvtsi64_si128): Likewise.
14807 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14808 (_mm_cvtsi64_m64): Likewise.
14809 (_m_to_int64): Likewise.
14810 (_mm_cvtm64_si64): Likewise.
14811 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14812 (_mm_cvttss_si64): Likewise.
14813 (_mm_cvtsi64_ss): Likewise.
14814 (_mm_cvtss_f32): Likewise.
14816 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14818 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14819 for pragma redefine_extname.
14821 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14824 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14825 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14826 -mno-minimal-toc to previous content.
14827 (bispecs): Remove goal.
14828 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14829 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14830 compatibility aliases on powerpc-*-*gnu*.
14831 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14832 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14833 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14834 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14835 (ldblspecs): New goal.
14836 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14837 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14839 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14840 L_sf_to_tf or L_df_to_tf is defined.
14842 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14843 Alan Modra <amodra@bigpond.net.au>
14846 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14847 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14848 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14849 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14850 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14851 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14852 (rs6000_override_options): Initialize rs6000_ieeequad.
14853 Initialize TFmode format to ibm_extended_format if not
14855 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14857 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14858 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14859 (function_arg_advance): IBM long double passed in two FPRs, not
14861 (function_arg): IBM long double passed in FPRs.
14862 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14863 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14864 Only multireg GPR aligned.
14865 (rs6000_init_libfuncs): Enable IBM long double functions if not
14867 (rs6000_generate_compare): Use IBM long double compare if not
14869 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14870 (TARGET_IEEEQUAD): Define.
14871 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14872 not TARGET_IEEEQUAD.
14873 * config/rs6000/rs6000.md: Enable TFmode patterns if
14875 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14876 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14877 and -mlong-double-128 are incompatible.
14878 * doc/invoke.texi (-mabi): Collect options together. Add
14879 ibmlongdouble and ieeelongdouble.
14881 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14883 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14885 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14886 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14887 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14888 * rtl.h (rtunion_def): Remove rt_ptr.
14890 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14891 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14892 * config/i386/winnt.c (i386_pe_mark_dllexport)
14893 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14895 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14897 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14899 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14903 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14904 pthread_key_delete. From John David Anglin. gthrw-ify
14905 pthread_getunique_np only if it it's not a macro. Delete
14907 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14908 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14909 __gthread_objc_condition_signal, __gthread_key_delete): Add
14910 "__attribute__ ((__unused__))" to unused arguments.
14911 (__gthread_recursive_mutex_init_function): Add missing return.
14912 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14913 gthr-posix95.h: Use macro-based approach for name redirection
14914 on targets missing weakref.
14916 2006-01-26 Zack Weinberg <zackw@panix.com>
14918 * genconditions.c (write_header): In generated code, #ifdef out
14919 all includes and fake declarations, except includes of bconfig.h
14920 and system.h, unless GCC_VERSION >= 3001. Do not include
14921 gensupport.h in any case.
14922 (write_conditions): Generate a definition of struct c_test. Add
14923 a comment to the generated #endif.
14924 (write_one_condition): Escape backslashes in string too.
14925 (write_writer): Generated code must escape backslashes and quote
14926 marks (but not newlines) in the strings it writes.
14927 * Makefile.in (build/gencondmd.o): Update dependencies.
14929 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14932 * Makefile.in (insn-automata.o): Add header file dependencies.
14933 * genautomata.c: Add includes.
14935 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14938 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14940 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14942 * configure.ac: Expect target tools paths to be passed from the toplevel
14943 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14945 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14947 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14950 * c.opt (Wpointer-sign): Init to -1.
14951 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14952 OPT_pedantic, to 0 otherwise.
14953 * doc/invoke.texi: Update.
14955 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14957 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14958 constants provided by 80387 instructions in the destination mode.
14960 2006-01-26 Richard Guenther <rguenther@suse.de>
14961 Andrew Pinski <pinskia@physics.uc.edu>
14964 partial PR tree-opt/17064
14965 * tree-ssa-structalias.c (intra_create_variable_infos):
14966 Create heap variables for incoming parameters if
14967 flag_argument_noalias > 1.
14968 (find_what_p_points_to): Look through default defs of
14971 2006-01-26 Jeff Law <law@redhat.com>
14974 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14975 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14976 within the VR_RANGE, use the VR_RANGE as the result, not the
14978 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14979 bounds for the type.
14981 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14983 * tree-ssa-alias.c (maybe_create_global_var): Change
14984 subvar walking to an assertion that we don't have subvar'd variables.
14986 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14989 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14990 Use a new variable, inner. PARM_DECLs are always non-weak.
14992 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14994 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14995 --disable-checking.
14997 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14999 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15001 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15003 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15004 (smax_insn, smin_insn, smax_0, smin_0): New.
15006 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15009 * config/cris/cris.c (cris_order_for_addsi3): New function.
15010 * config/cris/cris-protos.h: Prototype it.
15011 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15012 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15013 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15014 (split for "op.S1 [rx=rx+i],ry (swapped)")
15015 (split for "op(s|u).S1 [rx=rx+i],ry")
15016 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15017 Apply cris_order_for_addsi3 when generating addsi3 insns.
15019 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15021 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15022 (TREE_BLOCK): Add call to EXPR_CHECK.
15024 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15027 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15028 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15029 (dump_omp_clauses): ... here.
15030 (dump_generic_node): Handle OMP_CLAUSE.
15031 * tree.c (omp_clause_num_ops): New.
15032 (omp_clause_code_name): New.
15033 (tree_code_size): Handle OMP_CLAUSE.
15034 (tree_size): Likewise.
15035 (make_node): Document handling of OMP_CLAUSE.
15036 (tree_node_structure): Handle OMP_CLAUSE.
15037 (omp_clause_check_failed): New.
15038 (omp_clause_range_check_failed): New.
15039 (omp_clause_operand_check_failed): New.
15040 (build_omp_clause): New.
15041 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15042 * tree.h (enum omp_clause_code): Declare.
15043 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15044 (OMP_CLAUSE_RANGE_CHECK): Define.
15045 (OMP_CLAUSE_ELT_CHECK): Define.
15046 (omp_clause_check_failed): Declare.
15047 (omp_clause_operand_check_failed): Declare.
15048 (omp_clause_range_check_failed): Declare.
15049 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15050 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15051 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15052 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15053 (OMP_CLAUSE_IF_EXPR): Likewise.
15054 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15055 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15056 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15057 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15058 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15059 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15060 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15061 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15062 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15063 (OMP_CLAUSE_CODE): Define.
15064 (OMP_CLAUSE_SET_CODE): Define.
15065 (OMP_CLAUSE_CODE): Define.
15066 (OMP_CLAUSE_OPERAND): Define.
15067 (struct tree_omp_clause): Declare.
15068 (union tree_node): Add field 'omp_clause'.
15069 * treestruct.def (TS_OMP_CLAUSE): Define.
15070 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15071 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15072 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15073 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15074 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15075 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15076 (OMP_CLAUSE): Define.
15077 * print-tree.c (print_node): Handle OMP_CLAUSE.
15078 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15079 * c-typeck.c: Likewise.
15080 * gimplify.c: Likewise.
15081 * c-omp.c: Likewise.
15082 * tree-nested.c: Likewise.
15083 * tree-inline.c: Likewise.
15084 * c-parser.c: Likewise.
15085 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15088 2006-01-25 Roger Sayle <roger@eyesopen.com>
15090 PR rtl-optimization/25703
15091 * combine.c (try_combine): Handle zero_extract and strict_low_part
15092 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15094 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15096 * global.c: Fix comment typos.
15098 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15101 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15102 Use output_addr_const instead of assemble_name.
15104 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15106 * Makefile.in (sched-vis.o): Update dependencies.
15107 * haifa-sched.c (sched_finish): Clear current_sched_info.
15108 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15109 (dump_flow_info): Call it.
15110 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15112 * basic-block.h (dump_bb_info): Declare.
15113 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15114 option, and apply options only for dump files whose TDF_RTL,
15115 TDF_TREE, or TDF_IPA bits match.
15116 * rtl.h: Declare new functions exported from sched-vis.c.
15117 * sched-vis.c: Enable also if scheduling is not used.
15118 (print_value): Print the mode of registers if not inside scheduling.
15119 (print_insn): Make it work outside the scheduler. Beautify the output
15121 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15123 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15125 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15126 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15127 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15128 depending on the value of CONSTANT_POOL_ADDRESS_P.
15129 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15131 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15132 rather than SYMBOL_REF_DECL.
15133 (rtx_constant_pool): Remove const_rtx_sym_htab.
15134 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15135 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15136 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15137 Remove handling of const_rtx_sym_htab.
15138 (find_pool_constant): Delete.
15139 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15140 rather than find_pool_constant.
15141 (get_pool_constant_for_function): Delete.
15142 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15143 find_pool_constant.
15144 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15145 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15146 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15147 (SYMBOL_REF_CONSTANT): New macro.
15148 (get_pool_constant_for_function): Delete.
15149 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15150 rather than SYMBOL_REF_DECL.
15151 (i386_pe_mark_dllimport): Likewise.
15152 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15153 rather than SYMBOL_REF_DECL.
15154 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15155 (machopic_indirect_call_target): Likewise.
15157 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15159 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15161 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15163 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15165 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15167 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15169 2006-01-24 David Daney <ddaney@avtrex.com>
15172 * configure.ac (enable_tls): New enable option.
15173 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15174 * configure: Regenerate.
15175 * doc/install.texi (--enable-tls): Document new option.
15176 (--disable-tls): Ditto.
15178 2006-01-24 Richard Henderson <rth@redehat.com>
15180 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15181 * alias.c (true_dependence): Respect it.
15182 (canon_true_dependence, write_dependence_p): Likewise.
15183 * builtins.c (get_builtin_sync_mem): Set it.
15185 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15187 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15190 2006-01-24 DJ Delorie <dj@redhat.com>
15192 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15193 for storing constants in single-bit bitfields.
15195 2006-01-25 Ben Elliston <bje@au.ibm.com>
15197 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15199 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15202 * tree-ssa-pre.c (phi_translate): Return NULL
15203 for AGGREGATE_TYPE's.
15205 2006-01-24 Zack Weinberg <zackw@panix.com>
15207 * genautomata.c (process_state_for_insn_equiv_partition):
15208 Use xcalloc for insn_arcs_array.
15209 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15210 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15212 2006-01-24 Richard Henderson <rth@redhat.com>
15214 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15215 update all callers.
15217 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15219 PR rtl-optimization/25890
15220 PR rtl-optimization/25905
15221 * combine.c (expand_compound_operation, expand_field_assignment):
15222 Fail if the bitfield's final position is out of bounds.
15224 2006-01-24 Ian Lance Taylor <ian@airs.com>
15226 PR middle-end/25930
15227 * cgraphunit.c (cgraph_output_in_order): Don't clear
15228 cgraph_asm_nodes until after asm strings have been output.
15230 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15232 * fix-header.c (read_scan_file): Add new parameter imultilib when
15233 calling register_include_chains.
15235 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15237 * omp-low.c: Update documentation.
15239 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15240 Daniel Berlin <dberlin@dberlin.org>
15244 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15245 return from the function.
15247 2006-01-22 Zack Weinberg <zackw@panix.com>
15249 * rtl.def (match_code): Add second argument.
15250 * genpreds.c (write_extract_subexp): New function.
15251 (write_match_code): Add path argument. Use write_extract_subexp.
15252 (write_predicate_expr): Pass path to write_match_code.
15253 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15254 not perform a mode test.
15255 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15256 a subexpression does not constrain the top-level code set.
15257 * read-rtl.c (read_rtx_variadic): New function.
15258 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15259 * doc/md.texi: Document new notation.
15260 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15261 (cmpsi_operand): ... here, using new notation.
15263 2006-01-22 Zack Weinberg <zackw@panix.com>
15265 * varray.c: Remove GENERATOR_FILE #ifdefs.
15267 2006-01-22 Zack Weinberg <zackw@panix.com>
15269 * genautomata.c (output_reserved_units_table): Emit nothing if
15270 description->query_units_num is zero. Remove extra blank line.
15271 (output_cpu_unit_reservation_p): Short circuit
15272 if description->query_units_num is zero.
15274 2006-01-22 Zack Weinberg <zackw@panix.com>
15276 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15277 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15278 nor any of the random handful of variables that used to be necessary
15279 when this program was linked with rtlanal.o. Prune set of forward
15280 function declarations.
15281 (struct attr_desc): Remove static_p field.
15282 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15283 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15284 (attr_string): Do not read the character one past the length of
15286 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15287 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15288 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15289 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15290 (make_automaton_attrs): New.
15291 (main): Do not call into genautomata. Call local gen_bypass
15292 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15293 Remove special case for insn_alts.
15294 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15295 varray.h (leftover from previous change). Prune set of forward
15296 function declarations. Remove state_alts fields from all
15297 structures. Remove state_alts_table from struct automaton.
15298 Make everything except main static. Do not maintain num_dfa_decls.
15299 Do not maintain state_alts fields of various structures.
15300 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15301 (add_arc): Remove state_alts argument. All callers updated.
15302 (output_reserved_units_table): Emit #ifdef here...
15303 (output_tables): ...not here. Don't generate state_alts tables.
15304 (expand_automata): Don't generate attributes.
15305 (write_automata): Don't generate state_alts functions.
15306 (main): New function.
15307 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15308 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15309 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15310 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15311 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15312 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15313 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15314 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15316 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15317 * genattrtab.h: Delete file.
15318 * Makefile.in (OBJS-common): Add insn-automata.o.
15319 (insn-automata.o): New rule.
15320 (simple_generated_c): Add insn-automata.c.
15321 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15322 (genprogmd): Add automata.
15323 (build/genattrtab): Needs no extra objects nor libraries.
15324 (build/genautomata): Needs build/vec.o and -lm.
15326 2006-01-22 Zack Weinberg <zackw@panix.com>
15328 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15329 (output_dfa_max_issue_rate, locked_states_num): Delete.
15330 (struct automaton): Add locked_states field.
15331 (output_dead_lock_vect): Save number of locked states in
15332 automaton->locked_states. If it is zero, don't print anything.
15333 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15334 (output_internal_dead_lock_func): Only test the dead_lock_vect
15335 for automata that have locked states.
15336 (output_statistics): Always print the number of locked states for
15337 each automaton. Calculate total number of locked states here.
15338 (write_automata): Don't call output_dfa_max_issue_rate.
15339 * genattrtab.c: Define length_unit_log as a const variable.
15340 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15341 max_insn_queue_index const.
15342 * final.c (length_unit_log): Declare const.
15343 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15345 2006-01-22 Zack Weinberg <zackw@panix.com>
15347 * genautomata.c: Include vec.h, not varray.h.
15348 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15349 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15350 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15351 VEC_* macros operating on appropriately typed vectors, or to
15352 malloced arrays when the size is known in advance. Const-ify
15353 many char* variables and function arguments. No functional changes.
15354 * Makefile.in (build/varray.o): Delete rule.
15355 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15356 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15358 2006-01-22 Zack Weinberg <zackw@panix.com>
15360 * gensupport.c: Define get_insn_name and record_insn_name here.
15361 (read_md_rtx): Call record_insn_name as appropriate.
15362 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15363 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15364 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15366 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15367 (BUILD_VARRAY): Delete.
15368 (genprognormal): Rename genprogmd. Fold in all programs from
15369 genprognoprint; also attrtab.
15370 (build/genattrtab): Just mention genautomata.o and varray.o.
15371 Reorganize a bit, add comments to make the categories clearer.
15373 2006-01-22 Zack Weinberg <zackw@panix.com>
15375 * genconditions.c (condition_table, add_condition): Delete.
15376 (write_conditions): Don't emit n_insn_conditions nor
15377 insn_elision_unavailable. Issue the gcc version #ifdef here,
15378 inside the table, with no #else clause ...
15379 (write_header): ...not here.
15380 (write_writer): New function.
15381 (main): Don't initialize condition_table. Use add_c_test.
15383 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15384 files on the command line.
15385 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15386 Return -1 if there is no entry in the table, don't abort.
15387 (add_c_test, traverse_c_tests): New functions.
15388 * gensupport.h (insn_elision_unavailable, insn_conditions)
15389 (n_insn_conditions): Delete declarations.
15390 (add_c_test, traverse_c_tests): Declare.
15391 * read-rtl.c: Include gensupport.h.
15392 (read_conditions): New function.
15393 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15394 (read_rtx_1): If we get EOF when we were looking for an initial
15395 open paren, return 0. Call read_conditions when appropriate.
15396 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15397 dummy-conditions.o. Eliminate references to insn-conditions.o,
15398 or change them to build/gencondmd.o, as appropriate. Remove
15399 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15400 from $(simple_generated_c). For all files remaining in those
15401 two lists, add insn-conditions.md to the generator command line.
15402 Give insn-constants.h/s-constants their own rules. Add rules
15403 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15404 (build/read-rtl.o): Depend on gensupport.h.
15405 (genprognormal): Include preds.
15406 (genprogearly): Rename genprognoprint; only difference is now that
15407 they don't link with $(BUILD_PRINT).
15408 * dummy-conditions.c: Delete.
15410 2006-01-22 Zack Weinberg <zackw@panix.com>
15412 * genextract.c: Don't include insn-config.h. Do include vec.h.
15413 Declare vectors of int, char, and locstr.
15414 (locstr): New typedef.
15415 (struct extraction): Make all array fields into bare pointers.
15416 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15417 (insn_code_number): Delete.
15418 (accum_extract): New struct.
15419 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15420 (gen_insn): Take insn_code_number as an argument. Use an
15421 accum_extract structure instead of loading data directly into
15422 a struct extraction, and having to know how big it might get.
15423 (walk_rtx): Operate entirely on an accum_extract structure.
15424 (print_path): Avoid unnecessary use of printf.
15425 (print_header): New function, split out of main. Distinguish
15426 more carefully between an unrecognizable insn and an insn that
15427 has the code number of a define_expand.
15428 (main): Pass insn_code_number to gen_insn. Call print_header
15429 only after parsing. Avoid unnecessary use of printf.
15430 * Makefile.in (build/vec.o): New rule.
15431 (build/genextract): Depend on build/vec.o.
15432 (build/genextract.o): Don't depend on insn-config.h.
15434 2006-01-22 Zack Weinberg <zackw@panix.com>
15436 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15437 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15438 practical. Eliminate per-generator-program link rules.
15440 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15442 PR middle-end/24437
15443 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15444 with a call expr to ...
15445 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15447 2006-01-23 Richard Guenther <rguenther@suse.de>
15449 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15450 before make_edge with conditional EDGE_TRUE_VALUE.
15452 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15453 Jan Hubicka <jh@suse.cz>
15454 Richard Guenther <rguenther@suse.de>
15456 PR rtl-optimization/25654
15457 * cfgexpand.c (aggregate_contains_union_type): New function.
15458 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15459 for structure variables that contain a union type.
15461 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15463 * gengtype.c (new_structure): Return the structure.
15464 (create_option): Add an extra "next" argument.
15465 (create_field): New function.
15466 (adjust_field_rtx_def): Use create_option and create_field.
15467 Remove a now-unnecessary call to find_structure.
15468 (adjust_field_tree_def): Likewise.
15469 (note_yacc_type): Remove an unnecessary call to find_structure.
15470 * gengtype.h (new_structure): Return the structure.
15471 (create_option): Add an extra argument.
15472 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15473 (option): Adjust calls to create_option.
15475 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15477 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15479 2006-01-22 Paul Brook <paul@codesourcery.com>
15480 Peter Barada <peter@the-baradas.com>
15482 * config/m68k/m68k.md: Add Coldfire FPU support.
15483 Define FP mode macro and associated attributes.
15484 Use it for float mode patterns.
15485 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15486 (LIBCALL_VALUE): Use m68k_libcall_value.
15487 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15488 (m68k_function_value): Ditto.
15489 (emit_move_sequence): Ditto.
15490 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15491 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15492 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15493 (MULTILIB_EXCEPTIONS): Ditto.
15494 * config/m68k/m68k.opt: Add mcfv4e.
15495 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15496 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15497 (m68k_output_function_prologue): Save ColdFire FPU registers.
15498 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15499 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15500 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15501 ColdFire FPU registers.
15502 (m68k_libcall_value, m68k_function_value): New functions.
15503 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15504 (LIBCALL_VALUE): Use m68k_libcall_value.
15505 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15506 (MASK_COLDFIRE): Add MASK_CFV4E.
15507 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15508 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15509 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15510 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15511 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15512 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15513 * doc/invoke.tex: Document -mcfv4e on m68k.
15515 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15517 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15520 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15523 * c-opts.c (c_common_handle_option): Don't include
15524 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15525 * doc/invoke.texi (C++ Dialect Options): Document that
15526 -Wnon-virtual-dtor is no longer included in -Wall.
15528 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15530 * gcov.c (print_version), gcov-dump.c (print_version),
15531 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15534 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15536 * df-scan.c (problem_SCAN): Added NULL reset function.
15537 (df_scan_reset_blocks): Added code to call reset block function
15538 (df_bb_refs_delete) Fixed comment.
15539 (df_insn_refs_delete): Made tolerant of deleting non existent info
15540 for dataflow problems that need to be reset.
15541 * df-core.c (df_set_blocks): Ditto.
15542 * df.h (struct df_problem): Added reset_fun.
15543 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15544 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15545 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15546 functions to clear out all references to def-use or use-def chains.
15548 2006-01-21 Ben Elliston <bje@au.ibm.com>
15550 * varasm.c (assemble_real): Initialise data array.
15552 2006-01-20 Paul Brook <paul@codesourcery.com>
15554 Merge from csl-arm-branch.
15555 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15556 * config/arm/arm.md (movdi): Force operands[1] to a register
15557 if we have a non-register source.
15558 (*arm_movdi, *movdf_soft_insn): Require that one of the
15559 operands be a register.
15560 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15561 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15563 2006-01-20 DJ Delorie <dj@redhat.com>
15565 * varasm.c (initializer_constant_valid_p): Allow pointers
15566 initialized from integer constants of lesser precision.
15567 (output_constant): Allow non-int-sized pointer modes to be
15568 initialized from integer constants.
15570 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15573 * cppdefault.h (struct default_include): Add multilib flag.
15574 * cppdefault.c (cpp_include_defaults): Set it.
15575 * c.opt (-imultilib): New option.
15576 * c-opts.c (imultilib): New.
15577 (c_common_handle_option): Handle -imultilib.
15578 (c_common_post_options): Likewise.
15579 * c-incpath.c (add_standard_paths, register_include_chains):
15581 * c-incpath.h (register_include_chains): Add extra parameter.
15582 * gcc.c (do_spec_1): Generate -imultilib option.
15583 (The Specs Language): Update %I description.
15584 (process_command): Update copyright notice.
15585 * doc/cppopts.texi (-imultilib): Document.
15586 * doc/invoke.texi (-imultilib): Include in option summary.
15587 (%I): Update specs documentation.
15589 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15591 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15593 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15595 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15598 2006-01-20 Richard Guenther <rguenther@suse.de>
15599 Steven Bosscher <stevenb.gcc@gmail.com>
15601 PR rtl-optimization/24626
15602 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15603 EDGE_TRUE_VALUE if in RTL mode.
15606 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15607 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15609 2006-01-20 Dirk Mueller <dmueller@suse.com>
15612 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15613 instead of a special NOP marker.
15614 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15615 NOP marker handling.
15616 * c-common.h (empty_body_warning): Add forward declaration.
15617 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15618 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15620 2006-01-20 Paul Brook <paul@codesourcery.com>
15622 * Makefile.in (lang_checks): Keep going if mkdir fails.
15624 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15626 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15627 be able to clean out basic block when not necessary.
15628 (df_scan_free): Fixed to properly delete information if df is
15629 unused before calling df_finish.
15630 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15631 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15633 (df_bb_refs_delete): New function.
15634 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15635 * df-core.c (df_set_blocks): Added code to properly clean out
15636 unused blocks if they are not part of the blocks to consider.
15637 Added additional null check.
15638 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15639 be able to clean out basic block when not necessary
15640 * df.h (df_free_bb_function): Ditto.
15641 (df_bb_refs_delete): New function.
15642 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15643 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15644 basic block parameter to be able to clean out basic block when not
15646 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15647 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15648 Fixed to properly delete information if df is unused before
15651 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15653 PR rtl-optimization/25799
15654 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15655 Corrected confluence operator to remove bits from op2 before oring
15656 with op1 rather than removing bits from op1.
15657 (df_ru_transfer_function): Corrected test on wrong bitmap which
15658 caused infinite loop. Both of these problems were introduced in
15659 the dataflow rewrite.
15661 2006-01-19 DJ Delorie <dj@redhat.com>
15663 * reload1.c (find_reload_regs): Note the details of reload
15664 failures in the dump file.
15665 (spill_failure): Likewise.
15667 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15669 * loop-iv.c: Include df.h and hashtab.h.
15670 (enum iv_grd_result): New enum.
15671 (DF_REF_IV, DF_REF_IV_SET): New macros.
15672 (struct biv_entry): New.
15673 (df, bivs): New global variables.
15674 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15675 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15677 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15678 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15679 analyzed_for_bivness_p, record_biv): New functions.
15680 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15681 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15682 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15684 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15686 (iv_number_of_iterations): Use new interface to iv analysis.
15687 * loop-unroll.c: Do not include varray.h.
15688 (analyze_iv_to_split_insn): Use new interface to iv
15690 * loop-unswitch.c (may_unswitch_on): Ditto.
15691 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15693 (df_bb_modify): Realloc tables to the new index.
15694 (df_find_use): New function.
15695 * df.h (df_find_use): Declare.
15696 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15698 * cfgloop.h (struct rtx_iv): Remove analysed field.
15699 (iv_get_reaching_def): Removed.
15700 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15701 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15702 (loop-iv.o): Add df.h and hashtab.h dependency.
15703 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15705 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15708 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15710 (__floatundisf, __floatundidf): Likewise.
15711 * libgcc2.h (IS_IBM_EXTENDED): Define.
15713 2006-01-19 DJ Delorie <dj@redhat.com>
15715 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15717 2006-01-19 Paul Brook <paul@codesourcery.com>
15719 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15720 as nothrow when unwinding tables are disabled.
15722 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15725 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15726 of bit-field" when in system header.
15728 2006-01-19 DJ Delorie <dj@redhat.com>
15730 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15731 the 16 bit shift limit of the m16c.
15733 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15736 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15737 * config/i386/i386.c (output_set_got): Output the label if we have one
15738 for the TARGET_DEEP_BRANCH_PREDICTION case.
15740 2006-01-19 Jan Hubicka <jh@suse.cz>
15741 H.J. Lu <hongjiu.lu@intel.com>
15742 Evandro Menezes <evandro.menezes@amd.com>
15744 * invoke.texi (generic): Document
15746 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15747 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15748 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15749 (x86_use_incdec, x86_pad_returns): New variables
15750 (TARGET_CPU_DEFAULT_generic): New constant
15751 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15752 (enum processor_type): Add generic32 and generic64.
15753 * i386.md (cpu attribute): Add generic32/generic64
15754 (movhi splitter): Behave sanely when both partial_reg_dependency and
15755 partial_reg_stall are set.
15756 (K8 splitters): Enable for generic as well.
15757 * predicates.md (incdec_operand): Use TARGET_INCDEC
15758 (aligned_operand): Avoid memory mismatch stalls.
15759 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15760 * ppro.md: Enable for generic32
15761 * i386.c (generic64_cost, generic32_cost): New.
15762 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15763 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15764 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15765 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15766 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15767 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15768 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15769 x86_accumulate_outgoing_args, x86_prologue_using_move,
15770 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15771 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15772 Enable for generic.
15773 (x86_use_incdec, x86_pad_returns): New.
15774 (override_options): Add generic32 and generic64, translate "generic"
15775 to generic32/generic64 and "i686" to "generic32", refuse
15776 "generic32"/"generic64" as arch target.
15777 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15778 (ix86_reorg): Honor PAD_RETURNS.
15780 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15782 * tree-pretty-print.c (dump_generic_node): Handle
15783 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15784 * cgraph.c (cgraph_expand_queue): Rename from
15785 cgraph_analyze_queue. Update all users.
15786 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15787 cgraph_expand_queue.
15788 (cgraph_expand_all_functions): Likewise.
15789 (cgraph_finalize_pending_functions): Remove. Update callers.
15791 * tree.h (OMP_DIRECTIVE_P): Define.
15792 (OMP_PARALLEL_FN): Define.
15793 (OMP_PARALLEL_DATA_ARG): Define.
15794 (OMP_SECTIONS_SECTIONS): Define.
15795 * tree-pass.h (pass_expand_omp): Declare.
15796 * omp-low.c (struct omp_region): Declare.
15797 (struct omp_context): Remove fields 'parallel_type',
15798 'parallel_start_ix' and 'parallel_start_additional_args'.
15800 (struct omp_for_data): Rename from struct expand_omp_for_data.
15801 (omp_regions): New static variable.
15802 (root_omp_region): New static variable.
15803 (find_omp_clause): Make static.
15804 (is_in_combined_parallel_ctx): Remove.
15805 (is_combined_parallel): New.
15806 (extract_omp_for_data): Move earlier in the file.
15807 (workshare_safe_to_combine_p): New.
15808 (get_ws_args_for): New.
15809 (determine_parallel_type): Move earlier in the file.
15810 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15812 (omp_copy_decl): Likewise.
15813 (create_omp_child_function): Likewise.
15814 (lookup_omp_region): New.
15815 (dump_omp_region): New.
15816 (debug_omp_region): New.
15817 (debug_all_omp_regions): New.
15818 (new_omp_region): New.
15819 (scan_omp_parallel): If parallel_nesting_level > 1, the
15820 directive is nested within another parallel directive.
15821 Set OMP_PARALLEL_FN.
15822 (scan_omp_for): Do not try to handle combined parallel+for
15824 Remove FIXME comment.
15825 (scan_omp_nested): Remove.
15826 (scan_omp_1): Do not call scan_omp_nested when
15827 parallel_nesting_level is > 1.
15828 Do not change the DECL_CONTEXT of local variables found.
15829 (lookup_decl_in_outer_ctx): New.
15830 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15831 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15832 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15833 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15834 If CTX is nested, lookup VAR in the outer context when
15835 building copy assignment.
15836 (lower_send_clauses): Rename from expand_send_clauses.
15837 If CTX is nested, lookup VAR in the outer context when
15838 building copy assignments.
15839 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15840 If CTX is nested, lookup VAR in the outer context when
15841 building copy assignments.
15842 (expand_parallel_call): Rename from build_parallel_call.
15843 Handle combined parallel+workshare cases.
15844 Re-implement to emit code into the CFG.
15846 (expand_omp_parallel): Re-implement to emit code into the CFG.
15847 Call move_sese_region_to_fn to outline the sub-graph
15848 containing the parallel region.
15849 (expand_omp_for_1): Remove.
15850 (expand_omp_for_generic): Re-implement to emit code into the
15852 (expand_omp_for_static_nochunk): Likewise.
15853 (expand_omp_for_static_chunk): Likewise.
15854 (expand_omp_for): Likewise.
15855 (expand_omp_sections): Likewise.
15856 (remove_exit_barriers): New.
15857 (expand_omp_synch): New.
15859 (build_omp_regions_1): New.
15860 (build_omp_regions): New.
15861 (execute_expand_omp): New.
15862 (gate_expand_omp): New.
15863 (pass_expand_omp): Define.
15864 (lower_omp_sections): Rename from expand_omp_sections.
15865 Set OMP_SECTIONS_SECTIONS.
15866 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15867 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15868 (lower_omp_single): Rename from expand_omp_simple.
15869 (lower_omp_master): Rename from expand_omp_master.
15870 (lower_omp_ordered): Rename from expand_omp_ordered.
15871 (lower_omp_critical): Rename from expand_omp_critical.
15872 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15873 (lower_omp_for): Re-implement.
15874 (lower_omp_parallel): Re-implement.
15875 (lower_regimplify): Rename from expand_regimplify.
15876 (lower_omp_1): Rename from expand_omp_1.
15877 If there are syntax errors in the program, replace every
15878 OpenMP directive with NOP.
15879 Call lower_omp_* instead of expand_omp_*.
15880 (lower_omp): Rename from expand_omp.
15882 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15883 * tree-gimple.h (enum omp_parallel_type): Remove.
15884 (gimple_boolify): Declare extern.
15885 (find_omp_clause, determine_parallel_type): Remove.
15887 * gimple-low.c (lower_omp_directive): New.
15888 (lower_stmt): Call it.
15889 (record_vars_into): Move from ...
15890 (record_vars): ... here.
15891 Call record_vars_into with current_function_decl.
15893 * gimplify.c (struct gimplify_ctx): Remove fields
15894 combined_pre_p and combined_ctxp. Update users.
15895 (get_formal_tmp_var): Add documentation.
15896 (gimple_boolify): Make extern.
15897 (gimplify_expr_in_ctx): Remove. Update callers.
15898 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15899 will always be a BIND_EXPR.
15900 (gimplify_expr): Handle OMP_RETURN_EXPR.
15901 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15902 (OMP_PARALLEL): Add 3 operands.
15903 (OMP_SECTIONS): Add 1 operand.
15904 (OMP_RETURN_EXPR): Define.
15906 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15907 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15908 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15909 creating a circular free list.
15910 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15912 * tree-flow.h (move_sese_region_to_fn): Declare.
15913 (record_vars_into): Declare.
15914 * tree-cfg.c (make_omp_sections_edges): New.
15915 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15916 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15917 OMP_SECTIONS and OMP_SECTION.
15918 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15919 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15920 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15921 (gather_blocks_in_sese_region): New.
15922 (struct move_stmt_d): Declare.
15923 (move_stmt_r): New.
15924 (move_block_to_fn): New.
15925 (move_sese_region_to_fn): New.
15927 * passes.c (init_optimization_passes): Schedule
15928 pass_expand_omp after pass_init_datastructures.
15930 * tree-ssa-operands.c (get_expr_operands): Handle
15931 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15932 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15934 2006-01-19 Jeff Law <law@redhat.com>
15936 * tree-vrp.c (extract_range_from_assert): Refine the result range
15937 if the variable referenced by the ASSERT_EXPR has a range and
15938 either the tentative result range or the previous range is a
15941 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15943 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15945 2006-01-19 Jan Hubicka <jh@suse.cz>
15947 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15949 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15951 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15952 (expand_compound_operation, expand_field_assignment): Fail if the
15953 bit lengths of an extract operation are out of range.
15954 (make_extraction): Compute wanted_inner_mode based on the position
15955 and length of the extraction. Make it extraction_mode for non-constant
15956 positions, and do not modify offset in that case. When generating a
15957 new MEM, use a mode that can hold the extraction while keeping correct
15958 alignment. Remove code that supported MEMs wrapped by USEs.
15959 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15961 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15963 * config/s390/s390.md ("Y", "y"): New mode attribute.
15964 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15965 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15966 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15967 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15968 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15969 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15970 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15971 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15972 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15973 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15974 "addsi3", "subsi3"): Insn patterns removed.
15975 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15976 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15977 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15978 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15979 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15980 "*sub<mode>3_cconly2"): New insn patterns.
15981 ("addsi3", "subsi3"): New expanders.
15983 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15985 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15986 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15987 existing STMT_VINFO_VECTYPE if available.
15988 (vect_mark_relevant): Add special handling for stmts that are
15989 marked as STMT_VINFO_IN_PATTERN_P.
15990 (vect_analyze_loop): Call vect_pattern_recog.
15991 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15992 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15994 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15995 (vect_recog_func_ptr): New function-pointer type.
15996 * tree-vect-patterns.c: New file.
15997 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15998 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15999 (vect_pattern_recog_1): New functions.
16000 (vect_pattern_recog_funcs): New array of function pointers.
16002 * tree-vectorizer.h (ternary_op): New enum value.
16003 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16004 declaration. Revised documentation. Removed redundant dump prints.
16005 Removed redundant argument. Added support for reduction patterns.
16006 (vectorizable_reduction): Added support for reduction patterns.
16007 (vect_transform_stmt): Added support for patterns.
16009 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16010 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16011 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16012 (expand_widen_pattern_expr): New function.
16013 (init_optabs): Initialize new optabs udot_prod_optab,
16015 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16016 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16017 (expand_widen_pattern_expr): New function declaration.
16018 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16020 * tree-inline.c (estimate_num_insns_1): Added cases for new
16021 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16022 * tree-pretty-print.c (dump_generic_node): Likewise.
16023 (op_prio): Likewise.
16024 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16025 * tree-ssa-operands.c (get_expr_operands): Added case for
16027 * tree-vect-patterns.c (widened_name_p): New function.
16028 (vect_recog_dot_prod_pattern): Added function implementation.
16029 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16030 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16031 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16032 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16034 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16035 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16036 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16037 (init_optabs): Initialize new optabs widen_ssum_optab,
16039 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16040 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16041 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16042 use instead of type of def.
16043 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16044 function implementation.
16045 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16046 widen_ssumv8hi): New.
16048 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16051 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16054 * c-decl.c (add_flexible_array_elts_to_size): New function.
16055 (finish_decl): Use it.
16057 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16059 * diagnostic.h: Include options.h.
16060 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16061 dependancies for diagnostic.h.
16062 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16064 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16066 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16067 (ssa_ro_call_cache_valid): Ditto.
16068 * tree-ssa-alias.c (sort_tags_by_id): New function.
16069 (init_transitive_clobber_worklist): Ditto.
16070 (add_to_worklist): Ditto.
16071 (mark_aliases_call_clobbered): Ditto.
16072 (compute_tag_properties): Ditto.
16073 (set_initial_properties): Ditto.
16074 (compute_call_clobbered): Ditto.
16075 (compute_may_aliases): Call compute_call_clobbered and grouping.
16076 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16077 (compute_flow_insensitive_aliasing): Grouping now happens in our
16079 (setup_pointers_and_addressables): Remove clobbering related code.
16080 (add_may_alias): Ditto.
16081 (replace_may_alias): Ditto.
16082 (get_nmt_for): Ditto.
16083 (create_global_var):
16084 (is_escape_site): Return an escape_type enumeration.
16085 * tree-flow-inline.h (is_call_clobbered): Global var does not
16086 imply call clobbered.
16087 (mark_call_clobbered): Take a reason for marking this. Remove
16088 marking of globalness, and cache invalidation.
16089 (clear_call_clobbered): Remove cache invalidation code.
16090 * tree-dfa.c (dump_variable): If details is on, dump the reason
16092 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16094 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16095 (struct var_ann_d): Ditto.
16096 (enum escape_type): New.
16097 (mark_call_clobbered): Adjust prototype.
16098 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16099 are never call clobbered.
16100 Record reasons for escaping.
16101 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16102 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16103 (ssa_ro_call_cache_valid): Ditto.
16104 (clobbered_v_may_defs): Ditto.
16105 (clobbered_vuses): Ditto.
16106 (ro_call_vuses): Ditto.
16107 (clobber_stats): New.
16108 (init_ssa_operands): Zero out clobber stats.
16109 (fini_ssa_operands): Print out clobber stats.
16110 (get_call_expr_operands): Pass callee fndecl to
16111 add_call_read_ops).
16112 (add_call_clobber_ops): Remove use of cache.
16113 Add use of PURE_CONST information.
16114 (add_call_read_ops): Remove use of cache.
16115 Add use of static not_read information.
16117 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16119 Introduce TLS descriptors for i386 and x86_64.
16120 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16121 (TARGET_ANY_GNU_TLS): New macro.
16122 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16123 (struct machine_function): Add tls_descriptor_call_expanded_p.
16124 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16125 (ix86_current_function_calls_tls_descriptor): Likewise.
16126 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16127 (override_options): Introduce gnu2 tls dialect.
16128 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16130 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16132 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16133 (ix86_init_machine_status): Initialize new field.
16134 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16135 (ix86_tls_module_base): New.
16136 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16137 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16138 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16139 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16140 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16141 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16142 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16143 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16144 * config/i386/predicates.md (tls_modbase_operand): New.
16145 (tp_or_register_operand): New.
16147 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16149 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16150 (look_for_address_of): Ditto.
16151 (ipa_init): Walk the function decls.
16152 (static_execute): Don't set readonly on FUNCTION_DECL's.
16154 2006-01-18 Roger Sayle <roger@eyesopen.com>
16156 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16157 for shifts where the source and destination registers are different.
16159 2006-01-18 Paul Brook <paul@codesourcery.com>
16161 Merge from csl-arm-branch.
16162 2005-03-14 Julian Brown <julian@codesourcery.com>
16163 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16164 (aeabi_llsl): Likewise.
16165 (ashrdi3): Likewise.
16166 (aeabi_lasr): Likewise.
16167 (lshrdi3): Likewise.
16168 (aeabi_llsr): Likewise.
16169 2005-03-10 Julian Brown <julian@codesourcery.com>
16170 * config.gcc: Disable shared libgcc for SymbianOS.
16171 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16173 2006-01-18 DJ Delorie <dj@redhat.com>
16175 * c-pragma.c (handle_pragma_diagnostic): New.
16176 (init_pragma): Register it.
16177 * doc/extend.texi: Document it.
16179 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16180 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16181 (diagnostic_context): Add classify_diagnostic[].
16182 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16183 as errors if they're overridden to DK_WARNING.
16184 (diagnostic_initialize): Initialize classify_diagnostic[].
16185 (diagnostic_set_kind_override): New.
16186 (diagnostic_report_diagnostic): Check for kind changes.
16187 * opts.c (common_handle_option): Take lang_mask. Update callers.
16188 Handle OPT_Werror_.
16189 * common.opt (Werror=): New.
16190 * doc/invoke.texi: Document -Werror=*
16192 2006-01-18 Jeff Law <law@redhat.com>
16194 * tree-vrp.c (test_for_singularity): Correct test for new
16195 min limit. Use operand_equal_p rather than pointer equality
16196 for testing if new min/max values are equal.
16198 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16199 using range information until after propagation and folding.
16201 2006-01-18 Richard Henderson <rth@redhat.com>
16202 Aldy Hernandez <aldyh@redhat.com>
16203 Jakub Jelinek <jakub@redhat.com>
16204 Diego Novillo <dnovillo@redhat.com>
16206 * omp-low.c: New file.
16207 * c-omp.c: New file.
16209 2006-01-18 Richard Henderson <rth@redhat.com>
16210 Jakub Jelinek <jakub@redhat.com>
16211 Diego Novillo <dnovillo@redhat.com>
16213 * doc/invoke.texi: Document -fopenmp.
16214 * tree-dump.h (debug_function): Declare.
16215 * hooks.c (hook_bool_tree_bool_false): New function.
16216 (hook_tree_tree_null): Remove.
16217 (hook_tree_tree_tree_null): New.
16218 * hooks.h: Update to match.
16219 * tree-pretty-print.c (debug_tree_chain): New.
16220 (print_generic_expr): Handle TDF_CHAIN.
16221 (dump_generic_node): Handle BLOCK.
16222 Do not abort with incomplete SWITCH_EXPRs.
16223 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16224 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16225 print space after directive name.
16226 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16227 Handle OMP_MASTER and OMP_ORDERED.
16228 Handle printing of OMP_BODY just in one place, goto
16229 dump_omp_body in the rest of OMP_* nodes that have
16231 Don't handle clause nodes here. Update omp statements to
16232 use dump_omp_clauses.
16233 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16234 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16235 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16236 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16237 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16238 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16239 Adjust output for GOMP_PARALLEL.
16240 (dump_omp_clauses): New.
16241 (print_declaration): Dump DECL_VALUE_EXPR.
16242 (op_symbol_1): Split out of op_symbol.
16243 (dumping_stmts): Remove. Update all users.
16244 * cgraph.c (cgraph_analyze_queue): New.
16245 (cgraph_add_new_function): New.
16246 * cgraph.h (cgraph_analyze_queue): Declare.
16247 (cgraph_add_new_function): Declare.
16248 (cgraph_lower_function): Remove.
16249 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16250 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16251 and TYPE_P nodes in its default clause.
16252 (empty_body_p): New.
16253 (tree_range_check_failed): New.
16254 (build5_stat): New.
16255 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16256 OMP_CLAUSE_REDUCTION_MERGE,
16257 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16258 OMP_CLAUSE_PRIVATE_DEBUG,
16259 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16260 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16261 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16262 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16263 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16264 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16265 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16266 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16267 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16268 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16269 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16270 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16271 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16272 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16273 (TREE_RANGE_CHECK): New.
16274 (empty_body_p): Declare.
16275 (enum omp_clause_default_kind): New.
16276 (build_string_literal): Declare.
16277 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16278 (build5_stat, build5): Declare.
16279 * tree-pass.h (TDF_CHAIN): Define.
16280 * tree-pass.h (PROP_gimple_lomp): Define.
16281 (pass_lower_omp): Declare.
16282 * diagnostic.h (debug_tree_chain): Declare.
16283 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16285 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16286 * builtins.c (build_string_literal): Make extern.
16287 * gcc.c (include_spec_function): New.
16288 (static_spec_functions): Add it.
16289 (main): Move load of libgomp.spec ...
16290 (LINK_COMMAND_SPEC): ... here.
16291 (link_gomp_spec): New.
16292 (static_specs): Include it.
16293 (LINK_COMMAND_SPEC): Add link_gomp.
16294 (GOMP_SELF_SPECS): New.
16295 (driver_self_specs): Include it.
16296 (switch_matches): Don't mark inline.
16297 (main): Load libgomp.spec.
16298 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16299 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16300 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16301 * tree-gimple.h (enum omp_parallel): Declare.
16302 (determine_parallel_type): Declare.
16303 (omp_firstprivatize_variable): Declare.
16304 (omp_reduction_init): Declare.
16305 (diagnose_omp_structured_block_errors): Declare.
16306 (struct walk_stmt_info): Add want_return_expr.
16307 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16308 (find_omp_clause): Declare.
16309 (insert_field_into_struct): Declare.
16310 (struct walk_stmt_info): Move from tree-nested.c
16311 (walk_stmts): Declare.
16312 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16314 * cgraphunit.c (cgraph_lower_function): Make static.
16315 (cgraph_finalize_pending_functions): New.
16316 (cgraph_finalize_function): Call it.
16317 (cgraph_finalize_compilation_unit): Likewise.
16318 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16319 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16320 (BT_FN_UINT_UINT): New.
16321 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16322 DEF_FUNCTION_TYPE_VAR_4): Document.
16323 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16324 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16325 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16326 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16327 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16328 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16329 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16330 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16331 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16332 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16333 into separate files.
16334 (DEF_GOMP_BUILTIN): New.
16335 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16336 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16337 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16338 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16339 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16340 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16341 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16342 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16343 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16344 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16345 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16346 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16347 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16348 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16349 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16350 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16351 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16352 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16353 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16354 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16355 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16356 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16357 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16358 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16359 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16360 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16361 * sync-builtins.def: New file, moved from builtins.def.
16362 * omp-builtins.def: New file, moved from builtins.def.
16363 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16364 * gimple-low.c (lower_function_body): Clear data.
16365 (lower_stmt): Do not handle COMPOUND_EXPR.
16366 Remove call to print_node_brief.
16367 * c-tree.h (c_finish_omp_clauses): New prototype.
16368 (C_DECL_THREADPRIVATE_P): Define.
16369 (lookup_name_no_remap, c_omp_remap_private): Remove
16370 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16371 (check_for_loop_decls): Update decl.
16372 (lookup_name_no_remap, c_omp_remap_private): Declare.
16373 (build_indirect_ref, build_modify_expr, pushdecl,
16374 pushdecl_top_level): Move to c-common.h.
16375 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16376 before the switch, but just in the 2 places that need it.
16377 * c-decl.c (diagnose_mismatched_decls): Do not check for
16378 mismatched thread-local attributes when OLDDECL is marked
16379 threadprivate and NEWDECL has no thread-local attributes.
16380 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16381 (c_gimple_diagnostics_recursively): Rename from
16382 c_warn_unused_result_recursively. Invoke
16383 diagnose_omp_structured_block_errors.
16384 (check_for_loop_decls): Return a singular decl found.
16385 * langhooks.c (lhd_omp_predetermined_sharing): Return
16386 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16387 (lhd_omp_firstprivatize_type_sizes): New.
16388 (lhd_omp_assignment): New.
16389 (lhd_omp_predetermined_sharing): New.
16390 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16391 (struct lang_hooks_for_types): Add
16392 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16393 omp_predetermined_sharing, omp_disregard_value_expr,
16394 omp_private_debug_clause, omp_clause_default_ctor,
16395 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16396 (c_finish_omp_clauses): New.
16397 (c_finish_bc_stmt): Diagnose break within omp for.
16398 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16399 (build_unary_op): Return error_mark after reporting
16401 (build_modify_expr): Likewise.
16402 * gimplify.c: Include optabs.h and pointer-set.h.
16403 (enum gimplify_omp_var_data): Declare.
16404 (struct gimplify_omp_ctx): Declare.
16405 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16407 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16408 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16409 (splay_tree_compare_decl_uid): New.
16410 (new_omp_context): New.
16411 (delete_omp_context): New.
16412 (gimple_add_tmp_var): Call omp_add_variable.
16413 (gimplify_bind_expr): Likewise.
16414 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16415 true, disregard DECL_VALUE_EXPR on the decl if any.
16416 (gimplify_expr_in_ctx): New.
16417 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16418 omp_add_variable, omp_notice_variable, omp_is_private
16419 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16420 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16421 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16422 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16423 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16424 gimplify_omp_atomic): New.
16425 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16426 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16427 OMP_CRITICAL and OMP_ATOMIC.
16428 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16429 * c-pragma.h (enum pragma_kind): Add
16430 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16431 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16432 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16433 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16434 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16435 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16436 PRAGMA_OMP_THREADPRIVATE.
16437 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16438 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16439 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16440 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16441 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16442 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16443 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16444 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16445 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16446 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16447 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16448 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16449 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16451 (struct nesting_info): Add field_map,
16452 suppress_expansion, debug_var_chain.
16453 (create_nesting_tree): Initialize them.
16454 (lookup_field_for_decl): Use field_map.
16455 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16456 (convert_local_omp_clauses): New.
16457 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16458 (walk_body): Split out of walk_function.
16459 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16460 (convert_nonlocal_reference): Handle omp statements.
16461 (convert_local_reference): Likewise.
16462 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16463 (unnest_nesting_tree): New.
16464 (lower_nested_functions): Call it.
16465 (insert_field_into_struct): Make extern.
16466 (struct walk_stmt_info): Move to tree-gimple.h.
16467 (walk_stmts): Make extern.
16468 * omp-builtins.def: New file.
16469 * tree-iterator.c (expr_only): Clarify comment.
16470 * c-common.h (pushdecl_top_level, pushdecl,
16471 build_modify_expr, build_indirect_ref,
16472 c_finish_omp_master, c_finish_omp_critical,
16473 c_finish_omp_ordered, c_finish_omp_barrier,
16474 c_finish_omp_atomic, c_finish_omp_flush,
16475 c_finish_omp_for, c_split_parallel_clauses,
16476 omp_clause_default_kind, c_omp_sharing_predetermined,
16477 c_omp_remap_decl): Declare.
16478 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16479 (OBJS-common): Add omp-low.o.
16480 (c-omp.o, omp-low.o): Add.
16481 (gimplify.o): Add dependency on $(OPTABS_H).
16482 (GTFILES): Add omp-low.c.
16483 (gt-stringpool.h): Add.
16484 * tree-cfg.c (set_bb_for_stmt): Do not update the
16485 block-to-labels map if we are currently expanding to RTL.
16486 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16488 Handle IDENTIFIER_NODE.
16489 (tree_verify_flow_info): Do not ICE when emitting error
16490 messages about invalid labels.
16491 (dump_function_to_file): Reset CFUN before emitting the body
16493 (debug_function): New.
16494 * passes.c (init_optimization_passes): Schedule
16496 * langhooks-def.h (lhd_omp_predetermined_sharing,
16497 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16499 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16500 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16501 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16502 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16503 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16504 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16505 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16506 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16507 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16508 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16509 (LANG_HOOK_DECLS): Use them.
16511 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16512 Richard Henderson <rth@redhat.com>
16513 Jakub Jelinek <jakub@redhat.com>
16514 Diego Novillo <dnovillo@redhat.com>
16516 * c-parser.c (pragma_omp_clause): Define.
16517 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16518 (c_parser_compound_statement): Likewise.
16519 (c_parser_statement): Likewise.
16520 (c_parser_pragma): Handle omp pragmas.
16521 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16522 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16523 (c_parser_omp_clause_name, check_no_duplicate_clause,
16524 c_parser_omp_variable_list,
16525 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16526 c_parser_omp_clause_copyprivate,
16527 c_parser_omp_clause_default,
16528 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16529 c_parser_omp_clause_lastprivate,
16530 c_parser_omp_clause_nowait,
16531 c_parser_omp_clause_num_threads,
16532 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16533 c_parser_omp_clause_reduction,
16534 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16535 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16536 c_parser_omp_atomic, c_parser_omp_barrier,
16537 c_parser_omp_critical, c_parser_omp_flush,
16538 c_parser_omp_for_loop, c_parser_omp_for,
16539 c_parser_omp_master, c_parser_omp_ordered,
16540 c_parser_omp_sections_scope, c_parser_omp_sections,
16541 c_parser_omp_parallel, c_parser_omp_single,
16542 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16543 * c-pragma.c (init_pragma): Do omp pragma registration here.
16544 * c.opt (fopenmp): New flag.
16546 2006-01-18 Eric Christopher <echristo@apple.com>
16548 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16549 * config/darwin.h (GOMP_SELF_SPECS): Define.
16551 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16553 * rtl.h: Remove the prototype for reg_alloc.
16555 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16558 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16559 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16560 sjlj and dwarf2 exception handling.
16561 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16562 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16563 * pa/pa.c (function_value): Treat complex and vector types as
16565 (function_arg): Likewise. Only pass scalar floats in the floating
16566 point argument registers.
16567 * pa/t-slibgcc-dwarf-ver: New file.
16568 * pa/t-slibgcc-sjlj-ver: New file.
16569 * pa/t-slibgcc-elf-ver: Delete file.
16571 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16573 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16574 unlikely_test_section_p test.
16576 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16578 * mode-switching.c (optimize_mode_switching): Make it static.
16579 * basic-block.h: Remove the prototype for
16580 optimize_mode_switching.
16582 * modulo-sched.c (sms_schedule): Make it static.
16583 * rtl.h: Remove the prototype for sms_schedule.
16585 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16586 * rtl.h: Remove the prototype for gcse_after_reload_main.
16588 * reg-stack.c (reg_to_stack): Make it static.
16589 * rtl.h: Remove the prototype for reg_to_stack.
16591 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16593 * rtl.h: Remove the prototypes for regrename_optimize and
16594 copyprop_hardreg_forward.
16596 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16598 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16599 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16600 Test against the appropriate null constant for the mode.
16601 If 'fixup_overlap' is true, swap the operands if they overlap.
16602 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16603 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16604 alpha_split_tmode_pair and adjust for above change.
16605 * config/alpha/alpha.md (movtf_internal): Adjust call to
16606 alpha_split_tfmode_pair and rely on it to swap the operands.
16607 (movti_internal): New insn and post-reload splitter.
16608 (movti): New expander.
16610 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16612 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16615 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16617 * rtlanal.c (global_reg_mentioned_p_1,
16618 global_reg_mentioned_p): Remove.
16619 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16621 * flow.c (initialize_uninitialized_subregs): Make it static.
16622 * rtl.h: Remove the prototype for
16623 initialize_uninitialized_subregs.
16625 * function.c (instantiate_virtual_regs): Make it static.
16626 * function.h: Remove the prototype for
16627 instantiate_virtual_regs.
16629 * regmove.c (regmove_optimize, combine_stack_adjustments):
16631 * rtl.h: Remove the prototypes for regmove_optimize and
16632 combine_stack_adjustments.
16634 2006-01-17 Roger Sayle <roger@eyesopen.com>
16636 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16637 (size_cost): Encode costs in bytes so that a reg-reg addition is
16638 equivalent to COSTS_N_INSNS(1).
16639 (override_options): Use the size_cost.branch_cost as the default
16640 ix86_branch_cost when optimizing for size.
16642 2006-01-18 Ben Elliston <bje@au.ibm.com>
16644 * Makefile.in (D32PBIT_FUNCS): New.
16645 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16646 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16647 D64PBIT_FUNCS and D128PBIT_FUNCS.
16648 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16649 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16651 (decnumber_dep): Define.
16652 * doc/libgcc.texi (Decimal float library routines): New node.
16653 * config/dfp-bit.h, config/dfp-bit.c: New files.
16655 2006-01-18 Ben Elliston <bje@au.ibm.com>
16657 * expr.c (emit_move_change_mode): Always adjust addresses, not
16658 just during reload. Copy replacements only during reload.
16659 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16660 emit_move_via_integer.
16662 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16664 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16665 instead of $(srcdir) and ${srcdir}.
16667 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16670 PR middle-end/11135
16671 * arm.h (struct machine_function): Add pic_reg.
16672 * arm.c (arm_pic_register): Make unsigned.
16673 (arm_override_options): Only set arm_pic_register if
16674 TARGET_SINGLE_PIC_BASE.
16675 (use_return_insn): Only test for a pic register if it is fixed.
16676 (arm_compute_save_reg0_reg12_mask): Likewise.
16677 (thumb_compute_save_reg_mask): Likewise.
16678 (legitimate_pic_operand): Factor out some known invariants.
16679 (legitimize_pic_address): If we don't have a fixed pic register,
16680 then set up a pseudo in the function entry sequence. Handle the
16681 pic base being in a pseudo.
16682 (arm_load_pic_register): Handle the pic register being in a pseudo.
16683 (arm_expand_prologue): Only set up the pic register if it is fixed.
16684 (thumb_expand_prologue): Likewise.
16685 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16686 (pic_load_addr_based_insn): Likewise.
16687 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16690 2006-01-18 Ben Elliston <bje@au.ibm.com>
16692 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16693 decimal float modes for all floating point registers.
16695 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16696 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16698 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16701 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16702 even when the pointer is not NULL.
16704 2006-01-16 Ian Lance Taylor <ian@airs.com>
16706 * common.opt (ftoplevel-reorder): New option.
16707 * cgraph.c (cgraph_asm_nodes): New global variable.
16708 (cgraph_asm_last_node): New static variable.
16709 (cgraph_order): New global variable.
16710 (cgraph_create_node): Set new order field.
16711 (cgraph_varpool_node): Likewise.
16712 (decide_is_variable_needed): Return true if not
16713 flag_toplevel_reorder.
16714 (cgraph_add_asm_node): New function.
16715 * cgraph.h (struct cgraph_node): Add order field.
16716 (struct cgraph_varpool_node): Add order field.
16717 (struct cgraph_asm_node): Define.
16718 (cgraph_asm_nodes, cgraph_order): Declare.
16719 (cgraph_add_asm_node): Declare.
16720 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16722 (cgraph_varpool_assemble_pending_decls): Call it.
16723 (cgraph_output_pending_asms): New static function.
16724 (cgraph_finalize_compilation_unit): Call it.
16725 (struct cgraph_order_sort): Define.
16726 (cgraph_output_in_order): New static function.
16727 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16728 !flag_toplevel_reorder case.
16729 * c-parser.c: Include "cgraph.h".
16730 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16732 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16733 than -fno-unit-at-a-time.
16734 * doc/invoke.texi (Option Summary): Mention
16735 -fno-toplevel-reorder.
16736 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16737 -funit-at-a-time documentation.
16739 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16740 Kazu Hirata <kazu@codesourcery.com>
16742 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16744 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16746 * Makefile.in (FUNCTION_H): New. Use it instead of
16747 function.h throughout the file.
16748 * function.h: Include tree.h.
16750 2006-01-17 Ben Elliston <bje@au.ibm.com>
16752 * recog.c: Separate some functions with whitespace.
16754 2006-01-16 Richard Henderson <rth@redhat.com>
16756 Merge from gomp branch:
16757 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16758 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16759 and rename from struct inline_data. Rename callee* to dst*;
16760 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16761 transform_new_cfg, transform_return_to_modify, and
16762 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16764 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16765 (copy_decl_for_dup): Remove.
16766 * tree-inline.c (struct inline_data): Move to header.
16767 (insert_decl_map): Export.
16768 (remap_decl): Update for member name changes. Use copy_decl hook.
16769 Allow for replacement to be a non-decl. Remove dead code.
16770 (remap_type_1): Check for existing mapping.
16771 (remap_type): Export.
16772 (remap_decls): Update for member name changes.
16773 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16774 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16775 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16776 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16777 (tree_function_versioning, build_duplicate_type): Likewise.
16778 (copy_body_r): Likewise. Export.
16779 (copy_decl_for_dup): Split into ...
16780 (copy_decl_for_dup_finish, copy_decl_to_var,
16781 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16782 (replace_ref_tree, inlining_p): Remove.
16784 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16786 * ifcvt.c (if_convert): Make it static.
16787 * rtl.h: Remove the prototype for if_convert.
16789 * local-alloc.c (local_alloc): Make it static.
16790 * rtl.h: Remove the prototype for local_alloc.
16792 * loop.c (loop_optimize): Make it static.
16793 * cfgloop.h: Remove the prototype for loop_optimize.
16796 2006-01-16 DJ Delorie <dj@redhat.com>
16798 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16801 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16803 * pa.md: Disparage copies between general and floating-point registers
16804 in 32-bit move patterns.
16806 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16809 * Makefile.in (check-%): Depend on site.exp instead of
16810 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16815 * global.c (global_alloc): Make it static.
16816 * rtl.h: Remove the prototype for global_alloc.
16818 2006-01-16 Richard Guenther <rguenther@suse.de>
16820 * tree-ssa-alias.c (struct used_part): Add write_only field.
16821 (get_or_create_used_part_for): Initialize it to true.
16822 (create_overlap_variables_for): Don't create structure variables
16823 for structures that only are written to.
16824 (find_used_portions): Handle MODIFY_EXPR to track whether a
16825 structure is only written to.
16827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16829 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16831 * basic-block.h: Remove the prototype for
16832 partition_hot_cold_basic_blocks.
16834 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16836 * cppspec.c (lang_specific_spec_functions): Remove.
16837 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16838 * gcc.h (lang_specific_spec_functions): Remove.
16839 * gccspec.c (lang_specific_spec_functions): Remove.
16841 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16843 * combine.c (record_value_for_reg): Invalidate registers
16845 (record_dead_and_set_regs_1): Likewise, by passing them to
16846 record_value_for_reg.
16847 (record_dead_and_set_regs): Invalidate stores made by a
16848 call. We do not combine across a call, but we still
16849 relied on equivalences.
16851 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16853 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16854 vrp_int_const_binop returning non-constant nodes.
16856 2006-01-16 Paul Brook <paul@codesourcery.com>
16858 * config/m68k/m68k.c (output_move_const_into_data_reg):
16859 Output correct mnemonic for mvz and mvs.
16861 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16863 * rtl-factoring.c: Add sequence abstraction algorithm.
16864 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16865 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16867 (block_has_preserve_label): New function.
16868 * common.opt: Register new pass.
16869 * Makefile.in: Ditto.
16871 * timevar.def: Ditto.
16872 * tree-pass.h: Ditto.
16873 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16874 * rtl.h (make_jump_insn_raw): Add forward decl.
16875 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16877 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16878 Roger Sayle <roger@eyesopen.com>
16880 * fold-const.c (fold_minmax): New static function.
16881 (fold_binary) <MIN_EXPR>: Call it.
16882 <MAX_EXPR>: Likewise.
16883 * stor-layout.c (place_field): Use DECL_SIZE consistently
16884 in the computation of the new record size.
16886 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16888 * cse.c (cse_condition_code_reg): Make it static.
16889 * rtl.h: Remove the prototype for cse_condition_code_reg.
16891 * combine.c (combine_instructions): Make it static.
16892 * rtl.h: Remove the prototype for combine_instructions.
16894 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16897 * tree.c (get_file_function_name_long): Concatenate the first global
16898 object name with a string derived from the input filename of the object
16901 2006-01-16 Ben Elliston <bje@au.ibm.com>
16903 * config/i386/winnt-stubs.c: Update FSF address.
16904 * config/xtensa/ieee754-df.S: Ditto.
16905 * config/xtensa/ieee754-sf.S: Ditto.
16907 2006-01-14 Ian Lance Taylor <ian@airs.com>
16909 * ifcvt.c (noce_init_if_info): New static function, broken out of
16910 noce_process_if_block.
16911 (noce_process_if_block): Call noce_init_if_info.
16912 (check_cond_move_block): New static function.
16913 (cond_move_process_if_block): New static function.
16914 (process_if_block): Call cond_move_process_if_block.
16916 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16918 * cselib.c (hash_table): Rename to cselib_hash_table.
16919 (cselib_clear_table, discard_useless_values,
16920 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16921 cselib_init, cselib_finish): Adjust uses of hash_table.
16923 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16925 PR tree-optimization/25485
16926 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16927 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16928 is known to be false and true, respectively.
16930 2006-01-14 Richard Guenther <rguenther@suse.de>
16932 PR tree-optimization/22548
16933 PR tree-optimization/22555
16934 PR tree-optimization/22501
16935 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16936 * params.def (salias-max-array-elements): New parameter.
16937 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16938 * doc/invoke.texi (salias-max-array-elements): Document.
16939 * tree-flow-inline.h (var_can_have_subvars): We also handle
16941 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16943 * tree-ssa-structalias.c (params.h): Include.
16944 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16945 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16946 (get_constraint_for): For ADDR_EXPR operating on something
16947 containing an ARRAY_REF, add all subvars to the solution.
16948 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16949 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16950 for creating MUST_DEFs.
16951 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16953 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16955 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16957 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16958 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16959 number_of_iterations_le): New functions.
16960 (number_of_iterations_special): Removed.
16961 (number_of_iterations_exit): Do not use number_of_iterations_special.
16962 * tree.c (unsigned_type_for): Always return integer type.
16964 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16965 Richard Guenther <rguenther@suse.de>
16967 PR rtl-optimization/24257
16968 * gcse.c (find_moveable_store): Only consider a store movable
16969 when the SET_SRC of the insn can be assigned to a register.
16971 2006-01-14 Ian Lance Taylor <ian@airs.com>
16973 * tree.c (tree_not_class_check_failed): New function.
16974 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16975 (tree_not_class_check_failed): Declare.
16977 2006-01-13 Ian Lance Taylor <ian@airs.com>
16979 * reload1.c (do_output_reload): Add assertion rejecting a
16982 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16984 * combine.c (struct reg_stat): Add new fields truncation_label and
16986 (record_value_for_reg): Reset truncated_to_mode.
16987 (record_truncated_value): New function.
16988 (check_promoted_subreg): Call it. Rename to check_conversions.
16989 (combine_instructions): Rename check_promoted_subreg to
16991 (reg_truncated_to_mode): New function.
16992 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16993 (gen_lowpart_or_truncate): New function.
16994 (force_to_mode): Use it instead of gen_lowpart.
16996 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16998 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16999 VAR is a tag, not its type tag.
17001 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17003 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17004 alternatives to match style of other entries.
17005 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17007 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17009 PR tree-optimization/25771
17010 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17013 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17016 * tree-inline.c (declare_return_variable): If the return variable
17017 was marked as a non gimple complex, set the return slot variable
17018 to be a non gimple comple variable.
17020 2006-01-13 Richard Guenther <rguenther@suse.de>
17022 * builtins.c (expand_builtin_sincos): New function.
17023 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17025 (expand_builtin): Expand sincos using expand_builtin_sincos.
17027 2006-01-12 DJ Delorie <dj@redhat.com>
17029 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17030 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17031 so that constant shifts can be split.
17032 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17033 (m32c_valid_pointer_mode): Make static.
17034 (shift_gen_func_for): New.
17035 (m32c_prepare_shift): Use it. Split large const shifts into
17037 * config/m32c/predicates.md (shiftcount_operand): Allow more
17039 (longshiftcount_operand): New.
17040 * doc/md.texi (Machine Constraints): Document In6.
17042 2006-01-13 Ben Elliston <bje@au.ibm.com>
17044 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17045 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17048 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17050 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17051 to try to avoid clobbering pieces of structures when we know
17052 something about the whole structure.
17053 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17055 2006-01-13 Ben Elliston <bje@au.ibm.com>
17057 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17058 return in memory, as this is no limitation is no longer present.
17060 2006-01-12 DJ Delorie <dj@redhat.com>
17062 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17063 mova with fb, and for fb+0 -> An.
17065 * config/m32c/mov.md (peephole2): Fix enabling logic.
17067 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17068 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17069 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17070 FINI_ARRAY_SECTION_ASM_OP): Define.
17072 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17074 (m32c_legitimize_reload_address): New logic to reload FB to An.
17075 (m32c_output_reg_push): Add newline.
17076 (m32c_output_reg_pop): Likewise.
17078 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17080 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17082 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17084 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17086 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17088 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17091 2006-01-11 Ben Elliston <bje@au.ibm.com>
17093 * rtlanal.c (find_reg_note): Assert insn is not null.
17095 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17097 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17100 2006-01-11 Jeff Law <law@redhat.com>
17102 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17104 (mark_threaded_blocks, register_jump_thread): New functions.
17105 (thread_through_all_blocks): Remove unwanted argument. No
17106 longer rely on e->aux to communicate thread target info.
17107 Call mark_threaded_blocks. Release the threaded_blocks
17108 bitmap and threaded_edges vector when complete.
17109 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17110 (threaded_blocks): Remove.
17111 (tree_ssa_dominator_optimize): Remove initialization and
17112 finalization of threaded_blocks. Simplify call to
17113 thread_through_all_blocks.
17114 (thread_across_edge): Call register_jump_thread rather than
17115 storing thread information into e->aux.
17116 (free_all_edge_infos): Simplify now that e->aux is no longer
17117 used to communicate with thread_through_all_blocks.
17118 * tree-flow.h (thread_through_all_blocks): Update prototype.
17119 (register_jump_thread): Prototype.
17121 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17123 * df-core.c (df_compact_blocks, df_bb_replace): Use
17124 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17126 2006-01-11 Richard Guenther <rguenther@suse.de>
17128 PR tree-optimization/25734
17129 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17130 stop propagation after successful propagation to the LHS.
17132 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17134 * basic-block.h (control_flow_graph): Change the type of
17135 x_basic_block_info to VEC(basic_block,gc) *.
17136 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17138 (SET_BASIC_BLOCK): New.
17139 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17140 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17141 * cfgbuild.c (find_basic_blocks): Likewise.
17142 * cfglayout.c (fixup_reorder_chain): Likewise.
17143 * cfgrtl.c (create_basic_block_structure,
17144 rtl_create_basic_block): Likewise.
17145 * ifcvt.c (find_if_case_1): Likewise.
17146 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17149 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17151 * Makefile.in: Removed rotted odf.c entry.
17153 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17156 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17157 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17158 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17159 output pattern modifier, not %e.
17160 * config/cris/cris.c (cris_op_str): Update comment about pattern
17162 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17163 before falling through into...
17164 <case 'E'>: Redefined from old 'e' case.
17166 2006-01-11 Jan Hubicka <jh@suse.cz>
17169 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17171 2006-01-11 Jan Hubicka <jh@suse.cz>
17173 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17174 * i386.c (x86_decompose_lea): Kill.
17175 (ix86_rtx_costs): Kill.
17177 2006-01-11 Jan Hubicka <jh@suse.cz>
17179 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17180 * cgraph.h (cgraph_node): Add inline_decl.
17181 (cgraph_insert_node_to_hashtable): Declare.
17182 (save_inline_function_body): Declare.
17183 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17185 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17186 (cgraph_function_versioning): Update call of tree_function_versioning.
17187 (save_inline_function_body): New function.
17188 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17189 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17190 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17191 (cgraph_default_inline_p): Likewise.
17192 (cgraph_decide_inlining_incrementally): Likewise.
17193 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17194 (copy_bb): Kill saving; do updating of clones.
17195 (copy_cfg_body): Kill saving.
17196 (initialize_inlined-parameters): Likewise.
17197 (expand_call_inline): Likewise.
17199 (tree_function_versioning): New parameter "update_clones".
17200 (inlining_p): Kill saving.
17201 * tree-inline.h (tree_function_versioning): Update prototype.
17202 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17205 2006-01-11 Ian Lance Taylor <ian@airs.com>
17207 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17208 Allow undoing set of machine mode.
17209 (do_SUBST): Use enums instead of is_int.
17210 (do_SUBST_MODE): New function.
17211 (SUBST_MODE): New macro.
17212 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17213 reg and trying to replace reg_regno_rtx with a new register.
17214 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17215 (simplify_set): Use SUBST_MODE.
17216 (distribute_notes): Remove code that tried to update reg notes
17217 for regno_reg_rtx changes.
17219 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17221 PR tree-optimization/23109
17222 PR tree-optimization/23948
17223 PR tree-optimization/24123
17225 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17226 * tree-cfg.c (single_noncomplex_succ): New.
17227 * tree-flow.h (single_noncomplex_succ): Declare it.
17228 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17229 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17230 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17231 insert_bb, register_division_in, insert_reciprocals,
17232 replace_reciprocal, free_bb): New.
17233 (execute_cse_reciprocals_1): Rewritten.
17234 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17235 Do not commit any edge insertion. Always compute dominators and
17236 create the allocation pool.
17237 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17238 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17239 * targhooks.c (default_min_divistions_for_recip_mul): New.
17240 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17241 * passes.c (init_optimization_passes): Run recip after tree loop
17243 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17245 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17246 Kenneth Zadeck <zadeck@naturalbridge.com>
17248 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17249 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17250 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17251 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17252 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17253 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17254 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17255 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17256 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17257 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17258 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17259 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17260 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17261 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17262 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17263 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17264 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17265 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17266 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17267 DF_SCAN_POST_ALLOC): New macros.
17268 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17269 df_free_bb_function, df_local_compute_function, df_init_function,
17270 df_dataflow_function, df_confluence_function_0,
17271 df_confluence_function_n, df_transfer_function,
17272 df_finalizer_function, df_free_function, df_dump_problem_function,
17273 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17274 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17275 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17276 df_urec_bb_info, ) New types.
17277 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17279 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17280 df_analyze_simple_change_some_blocks,
17281 df_analyze_simple_change_one_block, df_compact_blocks,
17282 df_bb_replace, df_bb_regno_last_use_find,
17283 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17284 df_insn_regno_def_p, df_find_def, df_find_use,
17285 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17286 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17287 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17288 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17289 debug_df_chain, df_get_dependent_problem, df_chain_create,
17290 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17291 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17292 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17293 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17294 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17295 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17296 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17297 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17298 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17299 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17300 df_reorganize_refs, df_set_state, df_hard_reg_init,
17301 df_read_modify_subreg_p) New public functions.
17302 * df-core.c: The core dataflow solver and glue routines for rtl
17304 (df_init, df_add_problem, df_set_blocks, df_finish,
17305 df_hybrid_search_forward, df_hybrid_search_backward,
17306 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17307 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17308 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17309 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17310 df_reg_defined, df_find_use, df_reg_used, df_dump,
17311 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17312 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17313 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17314 debug_df_useno, reset_df_after_reload): New functions.
17315 * df-scan.c: The scanning fuctions, once in df.c, completely
17316 rewritten so that they now fully model the functionality of
17317 register usage at the backend.
17318 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17319 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17320 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17321 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17322 df_get_artificial_defs, df_get_artificial_uses,
17323 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17324 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17325 df_refs_delete, df_reorganize_refs, df_set_state,
17326 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17327 df_def_record_1, df_defs_record, df_uses_record,
17328 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17329 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17330 df_record_exit_block_uses, df_hard_reg_init): New functions.
17332 * df-problems.c: Seven concrete dataflow problems that use the
17333 scanning in df-scan.c and are solved by the engine in df-core.c.
17334 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17335 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17336 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17337 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17338 df_ru_free_bb_info, df_ru_alloc,
17339 df_ru_bb_local_compute_process_def,
17340 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17341 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17342 df_ru_transfer_function, df_ru_free, df_ru_dump,
17343 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17344 df_rd_free_bb_info, df_rd_alloc,
17345 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17346 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17347 df_rd_transfer_function, df_rd_free, df_rd_dump,
17348 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17349 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17350 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17351 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17352 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17353 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17354 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17355 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17356 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17357 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17358 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17359 df_urec_mark_reg_use_for_earlyclobber,
17360 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17361 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17362 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17363 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17364 df_chain_create_bb_process_use, df_chain_create_bb,
17365 df_chain_finalize, df_chain_free, df_chains_dump,
17366 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17367 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17368 df_reg_lifetime): New functions.
17369 * df.c: Deleted file.
17370 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17371 consistent with new df api.
17372 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17373 rest_of_handle_sms): Ditto.
17374 * web.c (unionfind_union, union_defs, entry_register, web_main):
17376 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17377 invariant_expr_equal_p, find_defs, check_dependencies,
17378 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17379 free_inv_motion_data, move_loop_invariants): Ditto.
17380 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17381 Update dependencies.
17382 (odf.c): Added defective entry that was deleted later in day.
17383 * sched-deps.c (sched_analyze_1): Ditto.
17385 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17387 * tree-ssa-operands.c (get_expr_operands): Record addressable
17388 variables directly. Do not call add_stmt_operands for CONST_DECLs
17390 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17391 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17393 2006-01-11 Ben Elliston <bje@au.ibm.com>
17395 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17396 function returns true in the positive case.
17398 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17401 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17402 for SI, DI, SF and DF modes. Add alternatives to copy between
17403 general and floating point registers to the 32-bit patterns.
17404 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17405 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17406 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17407 generating 64-bit code.
17408 * config/pa/pa.c (output_move_double): Handle copies between general
17409 and floating registers.
17411 2006-01-10 Stuart Hastings <stuart@apple.com>
17413 * config/i386/i386.md (set_got): Update.
17414 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17415 (builtin_setjmp_receiver): Mach-O support.
17416 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17417 (GOT_SYMBOL_NAME): Define.
17418 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17419 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17420 * config/i386/i386.c (override_options): Revise for Darwin.
17421 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17422 support. (darwin_x86_file_end): New. (output_set_got): Add label
17423 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17424 * config/i386/i386-protos.h (output_set_got): Likewise.
17425 * config/darwin.c (machopic_legitimize_pic_address): Update
17428 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17430 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17431 when MODE isn't BLKmode.
17433 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17435 PR rtl-optimization/25367
17436 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17438 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17441 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17442 for a negative bound.
17444 2006-01-10 Richard Guenther <rguenther@suse.de>
17446 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17447 Never override with anything constraint.
17449 2006-01-10 Jan Beulich <jbeulich@novell.com>
17451 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17452 256 bits when optimize_size.
17454 2006-01-10 Jan Beulich <jbeulich@novell.com>
17456 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17458 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17459 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17462 2006-01-10 Ben Elliston <bje@au.ibm.com>
17464 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17466 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17467 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17468 (USE_FP_FOR_ARG): Reject decimal float modes.
17469 (function_arg_advance): Likewise.
17470 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17471 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17472 point types in AltiVec vectors.
17473 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17474 (rs6000_libcall_value): Likewise.
17476 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17478 * config/xtensa/ieee754-df.S: New file.
17479 * config/xtensa/ieee754-sf.S: New file.
17480 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17481 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17482 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17484 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17486 * config/sh/predicates.md (binary_float_operator,
17487 binary_logical_operator, commutative_float_operator,
17488 equality_comparison_operator, greater_comparison_operator,
17489 less_comparison_operator, logical_operator,
17490 noncommutative_float_operator, shift_operator,
17491 symbol_ref_operand, unary_float_operator): Remove redundant
17494 2006-01-09 Jeff Law <law@redhat.com>
17496 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17497 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17498 now unused arguments. Callers updated.
17499 (eliminate_redundant_computations): Remove now unused arguments,
17501 (local_fold): Remove, no longer used.
17502 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17504 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17505 (simplify_cond): New function.
17506 (forward_propagate_into_cond): Call simplify_cond.
17508 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17510 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17511 (*vec_extractv2di_1_sse): New.
17513 2006-01-09 Ben Elliston <bje@au.ibm.com>
17515 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17517 2006-01-08 Richard Guenther <rguenther@suse.de>
17519 * tree-ssa-structalias.c (get_constraint_for): Remove
17520 anyoffset argument.
17521 (get_constraint_for_component_ref): Likewise.
17522 (do_deref): Likewise.
17523 (get_constraint_for): Likewise.
17524 (do_structure_copy): Likewise.
17525 (handle_ptr_arith): Likewise.
17526 (find_func_aliases): Likewise. Remove unused need_anyoffset
17529 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17530 Kaz Kojima <kkojima@gcc.gnu.org>
17532 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17533 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17534 (EXTRA_CONSTRAINT_C16): Remove.
17535 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17536 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17537 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17538 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17539 constants of SHmedia. Handle nested constant expressions of
17541 (andcosts): Fix the costs for SHmedia constants.
17542 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17543 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17544 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17545 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17546 (movv4hi_i, movv2si_i): Likewise.
17547 (movsi_const): Adjust the second operand of ior so to match with
17548 the Csu constraint.
17549 (movdi_const, movdi_const_32bit): Likewise.
17550 (movdi_const_16bit+1): Don't sign-extend LOW.
17551 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17553 (*double_shori): Fix the split condition. Use GEN_INT instead
17554 of get_int_mode calls. Mask lower 16-bit of the argument of
17556 (sym2GOTPLT): Remove.
17557 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17559 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17560 instead of EXTRA_CONSTRAINT_C16.
17562 2006-01-07 Ian Lance Taylor <ian@airs.com>
17563 David Edelsohn <edelsohn@gnu.org>
17565 PR rtl-optimization/25662
17566 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17567 for constant operands instead of simplify_gen_binary.
17568 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17569 after trying simplify_binary_operation
17571 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17573 * tree.c (iterative_hash_expr): Hash decls based on UID.
17575 2006-01-06 Eric Christopher <echristo@apple.com>
17577 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17578 (TARGET_UNWIND_EMIT): Fix spelling.
17579 * target.h (gcc_target): Add except_table_label.
17580 * except.c (output_function_exception_table): Use.
17581 * varasm.c (default_emit_except_table_label): New.
17582 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17584 (asm_out): Add here.
17585 * output.h (default_emit_except_table_label): Prototype.
17586 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17587 * config/darwin.c (darwin_emit_except_table_label): Define.
17588 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17590 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17592 PR tree-optimization/18527
17593 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17594 number_of_iterations_special, number_of_iterations_exit):
17595 Move base and step of an iv to a single structure. Add
17596 no_overflow flag, and use it in # of iterations analysis.
17597 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17598 folded_casts argument.
17599 (simple_iv): Pass base and step in a structure. Set no_overflow
17601 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17602 Evaluate expensiveness of computing # of iterations instead of
17603 the final expression.
17604 * tree-scalar-evolution.h (affine_iv): New structure.
17605 (simple_iv): Declaration changed.
17606 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17607 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17608 find_givs_in_stmt): Changed due to simple_iv change.
17610 2006-01-06 Jeff Law <law@redhat.com>
17613 * tree-cfg.c (bsi_replace): Rename final argument from
17614 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17615 change (stmt -> orig_stmt).
17616 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17617 (bsi_remove): Add new argument. Remove EH information
17619 (verify_eh_throw_table_statements): New function.
17620 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17622 * tree-optimize.c (execute_free_cfg_annotations): Verify
17623 the EH throw statement table after removing annotations.
17624 * except.h (verify_eh_throw_table_statements): Prototype.
17625 * tree-flow.h (bsi_remove): Update prototype.
17626 * tree-vrp.c (remove_range_assertions): Add new argument to
17628 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17629 * tree-complex.c (expand_complex_div_wide): Likewise.
17630 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17631 * tree-tailcall.c (eliminate_tailcall): Likewise.
17632 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17633 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17634 * tree-nrv.c (tree_nrv): Likewise.
17635 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17636 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17637 (combine_blocks): Likewise.
17638 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17639 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17640 (cleanup_control_flow): Likewise.
17641 (remove_forwarder_block): Likewise.
17642 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17643 * tree-sra.c (sra_replace): Likewise.
17644 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17645 (forward_propagate_single_use_vars): Likewise.
17646 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17647 * tree-inline.c (expand_call_inline): Likewise.
17648 * tree-vect-transform.c (vect_transform_loop): Likewise.
17649 * tree-outof-ssa.c (rewrite_trees): Likewise.
17650 * tree-cfg.c (make_goto_expr_edges): Likewise.
17651 (cleanup_dead_labels): Likewise.
17652 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17653 (bsi_move_before, bsi_move_after): Likewise.
17654 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17655 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17657 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17660 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17662 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17663 on non gimple variables. Also add checks at the top for decls and
17665 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17667 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17668 and IMAGPART_EXPR for creating MUST_DEFs.
17669 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17670 and NAME_MEMORY_TAG separately from the DECLs.
17672 2006-01-06 Richard Guenther <rguenther@suse.de>
17674 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17675 annotation, if necessary.
17676 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17677 redundant calls to update_stmt.
17678 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17681 2006-01-05 Richard Henderson <rth@redhat.com>
17683 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17685 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17687 * c-typeck.c: Update copyright date.
17689 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17691 * c-typeck.c (build_c_cast): Always warn when casting
17692 from a pointer to an integer of different size, even if
17693 the node was constant.
17695 2006-01-05 Richard Guenther <rguenther@suse.de>
17697 PR tree-optimization/22555
17698 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17699 if one structure field is an array.
17700 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17701 operands even if we found a subvar, but ignore VOPs in this
17703 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17705 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17707 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17709 PR middle-end/24998
17710 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17712 2006-01-05 Richard Guenther <rguenther@suse.de>
17713 Diego Novillo <dnovillo@redhat.com>
17715 * tree-pass.h (TODO_remove_unused_locals): Define.
17716 * gimple-low.c (expand_var_p, remove_useless_vars,
17717 pass_remove_useless_vars): Remove. Update all users.
17718 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17719 (remove_unused_locals): New function.
17720 * tree-flow.h (remove_unused_locals): Declare.
17721 * passes.c (execute_todo): Call remove_unused_locals if
17722 TODO_remove_unused_locals is set.
17723 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17724 * tree-ssa-dce.c (pass_dce): Likewise.
17725 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17727 2006-01-05 Richard Guenther <rguenther@suse.de>
17729 * tree-flow.h (struct fieldoff): Decompose field to
17730 type, size and decl.
17731 * tree-ssa-alias.c (create_sft): Take type as parameter.
17732 (create_overlap_variables_for): Store type, size and decl
17733 in the fieldoff structure.
17734 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17735 of struct fieldoff.
17736 (push_fields_onto_fieldstack): Likewise.
17737 (create_variable_info_for): Likewise. Use offset for the
17738 SFT name if the decl is not available.
17740 2006-01-04 Paul Brook <paul@codesourcery.com>
17742 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17744 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17746 * lambda-code.c (can_put_in_inner_loop): Relax
17748 (can_put_after_inner_loop): New function.
17749 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17750 (perfect_nestify): Change to make copies and modify uses.
17752 2006-01-04 Richard Henderson <rth@redhat.com>
17754 Merge from gomp branch:
17755 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17756 via integer constant.
17757 (pragma_lex): Remove.
17758 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17759 rather than parsing it.
17760 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17761 handle_pragma_extern_prefix): Add %< %> quotes.
17762 (registered_pragmas): New.
17763 (c_register_pragma_1): New.
17764 (c_register_pragma): Use it.
17765 (c_register_pragma_with_expansion): Likewise.
17766 (c_invoke_pragma_handler): New.
17767 (init_pragma): Use cpp_register_deferred_pragma directly for
17769 * c-pragma.h (enum pragma_kind): New.
17770 (pragma_handler): New.
17771 (c_invoke_pragma_handler): Declare.
17772 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17774 * c-common.h (c_common_pch_pragma): Update decl.
17775 * Makefile.in (c-parser.o): Update dependencies.
17776 (GTFILES): Add c-pragma.h.
17777 * c-parser.c (struct c_token): Add pragma_kind.
17778 (struct c_parser): Add in_pragma.
17779 (c_lex_one_token): Always initialize keyword and pragma_kind.
17780 Extract data for CPP_PRAGMA.
17781 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17782 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17783 Don't allow CPP_PRAGMA_EOL if in_pragma.
17784 (c_parser_consume_pragma): New.
17785 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17786 (c_parser_skip_to_end_of_parameter): Likewise.
17787 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17788 (c_parser_skip_to_pragma_eol): New.
17789 (c_parser_external_declaration): Handle CPP_PRAGMA.
17790 (c_parser_compound_statement_nostart): Likewise.
17791 (c_parser_statement_after_labels): Likewise.
17792 (c_parser_pragma): New.
17793 (pragma_lex): Likewise.
17794 (c_parser_pragma_pch_preprocess): New.
17795 (c_parser_new): Merge into ...
17796 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17798 2006-01-04 Jeff Law <law@redhat.com>
17801 * tree-cfg.c (bsi_replace): Remove the original statement
17802 from the EH throw statement table.
17804 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17806 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17807 make the prototype extern "C" and add throw ().
17810 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17811 and pos non-negative and pos + len <= 32.
17812 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17813 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17814 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17817 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17818 as well as sizes not multiple of component size.
17821 * function.c (instantiate_expr): New function.
17822 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17823 walk its DECL_VALUE_EXPR with instantiate_expr.
17825 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17826 DW_OP_deref{,_size} if address isn't going to be added.
17828 2006-01-04 Ben Elliston <bje@au.ibm.com>
17830 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17831 * config/fp-bit.c: Likewise.
17833 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17835 * dominance.c: Add comment about why we use DFS numbering
17838 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17839 Richard Henderson <rth@redhat.com>
17841 Merge from gomp-branch:
17842 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17843 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17845 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17847 PR rtl-optimization/25578
17848 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17849 pass a parameter to simplify_shift_const if changing ASHIFTRT
17852 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17854 * builtins.c (get_builtin_sync_mem): New function.
17855 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17856 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17857 Call get_builtin_sync_mem to generate mem rtx.
17859 2006-01-03 Richard Guenther <rguenther@suse.de>
17862 * stmt.c (add_case_node): Make sure to clear overflow flags
17865 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17867 Merge from gomp-branch.
17868 * config/sparc/sync.md: New file.
17869 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17870 UNSPECV_LDSTUB): New constants.
17871 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17872 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17873 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17876 2006-01-03 Roger Sayle <roger@eyesopen.com>
17878 * combine.c (reg_subword_p): New predicate to test whether the
17879 destination of a set refers to a subword/piece of a register.
17880 (try_combine): Generalize the code to merge the setting of a
17881 pseudo to a constant followed by a set of a subword of that
17882 register to a constant.
17884 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17886 * basic-block.h (control_flow_graph): Change the type of
17887 x_label_to_block_map to VEC(basic_block,gc) *.
17888 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17889 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17891 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17892 VEC(basic_block,heap) *.
17893 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17894 ssa_prop_fini): Adjust the uses of cfg_blocks.
17896 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17898 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17900 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17901 hashing trees instead of a pointer hash.
17902 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17903 compare for MEM_EXPR.
17905 PR rtl-optimization/25130
17906 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17907 when comparing MEMs for GCSE
17909 2006-01-03 Ben Elliston <bje@au.ibm.com>
17911 * targhooks.h (default_decimal_float_supported_p): Declare.
17912 * targhooks.c (default_decimal_float_supported_p): Define.
17913 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17914 `default_decimal_float_supported_p'.
17915 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17917 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17919 * combine.c (apply_distributive_law <SUBREG>): Check
17920 TRULY_NOOP_TRUNCATION.
17922 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17924 * dwarf2out.c (have_switched_text_section): Delete.
17925 (have_multiple_function_sections): New.
17926 (have_location_lists): Make 'bool'.
17927 (add_AT_loc_list): Use 'true' not '1'.
17928 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17929 (output_loc_list): Use have_multiple_function_sections.
17930 (output_ranges): Likewise.
17931 (dwarf2out_begin_function): Set have_multiple_function_sections if
17933 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17934 Check function_section rather than DECL_SECTION_NAME.
17935 (dwarf2out_finish): Use have_multiple_function_sections.
17936 Don't clear have_location_lists.
17938 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17939 Jan Hubicka <jh@suse.cz>
17941 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17942 case of conditional jump jumping to the next instruction.
17943 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17944 cases of conditional jump jumping to the next instruction.
17946 2006-01-02 Jan Hubicka <jh@suse.cz>
17948 * i386.c (*_cost): Add COSTS_N_INSNS.
17949 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17951 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17954 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17956 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17958 * config/arm/arm.c (all_fpus): Fix comment typo.
17959 * config/darwin.c: Likewise.
17960 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17961 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17962 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17964 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17966 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17967 (rs6000_split_compare_and_swapqhi): New.
17968 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17969 (sync_compare_and_swapqhi_internal): New.
17970 * config/rs6000/rs6000-protos.h: Declare.