1 2006-10-30 Roger Sayle <roger@eyesopen.com>
3 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4 * ddg.c (print_ddg_edge): Likewise.
5 * dwarf2out.c (prune_unused_types_walk): Likewise.
6 * ifcvt.c (noce_try_cmove_arith): Likewise.
7 * langhooks.c (add_builtin_function): Likewise.
8 * reg-stack.c (subst_stack_regs_pat): Likewise.
9 * tree.c (expanded_location): Likewise.
10 * tree-dump.c (dequeue_and_dump): Likewise.
12 2006-10-30 David Daney <ddaney@avtrex.com>
14 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
16 2006-10-30 Jakub Jelinek <jakub@redhat.com>
18 PR tree-optimization/29637
19 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
20 of the innertype is the innertype itself.
22 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
24 * dwarf2out.c (file_name_acquire): Correct typo.
26 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
28 * tree.h (tree_value_handle): Remove struct value_set declaration.
29 Change value_set to bitmap_set.
30 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
31 * tree-vn.c (get_value_handle): Made inline and moved to
33 * tree-flow-inline.h: (has_stmt_ann): New function.
34 * tree-ssa-pre.c (expressions): New variable.
35 (next_expression_id): Ditto.
36 (alloc_expression_id): New function.
37 (struct value_set): Remove.
38 (get_expression_id): New function.
39 (get_or_alloc_expression_id): Ditto.
40 (expression_for_id): Ditto.
41 (clear_expression_ids): Ditto.
42 (FOR_EACH_EXPR_ID_IN_SET): New macro.
43 (bb_value_sets): Renamed to bb_bitmap_sets.
44 All value sets replaced with bitmap_sets.
46 (BB_VISITED): New macro.
47 (postorder): New variable.
48 (add_to_value): Removed.
49 (value_exists_in_set_bitmap): Ditto.
50 (value_insert_into_set_bitmap): Ditto.
54 (set_contains_value): Ditto.
55 (insert_into_set): Ditto.
58 (bitmap_set_subtract_from_value_set): Ditto.
59 (value_insert_into_set): Ditto.
60 (print_value_set): Ditto.
61 (debug_value_set): Ditto.
62 (constant_expr_p): New function.
63 (bitmap_remove_from_set): Ditto.
64 (bitmap_insert_into_set): Ditto.
65 (bitmap_set_free): Ditto.
67 (sorted_array_from_bitmap_set): Ditto.
68 (bitmap_set_subtract): Ditto.
69 (bitmap_set_equal): Ditto.
70 (debug_bitmap_set): Ditto.
71 (find_leader_in_sets): Ditto.
72 (bitmap_set_replace_value): Modify for bitmapped sets.
73 (phi_translate): Ditto.
74 (phi_translate_set): Ditto.
75 (bitmap_find_leader): Ditto.
76 (valid_in_sets): Ditto.
77 (union_contains_value): Ditto.
79 (compute_antic_aux): Ditto. Mark changed blocks.
80 (compute_antic): Ditto. Iterate in postorder and only over
82 (compute_rvuse_and_antic_safe): Reuse postorder.
83 (create_component_ref_by_pieces): Modify for bitmapped sets.
84 (find_or_generate_expression): Ditto.
85 (create_expression_by_pieces): Ditto.
86 (insert_into_preds_of_block): Ditto.
87 (changed_blocks): New variable.
88 (do_regular_insertion): Broken out from insert_aux.
89 (insert_aux): Modified for bitmapped sets.
90 (find_existing_value_expr): New function.
91 (create_value_expr_from): Use it.
92 (insert_extra_phis): Removed.
93 (print_bitmap_set): Renamed from bitmap_print_value_set.
94 (compute_avail): Handle RETURN_EXPR.
95 (init_pre): Modify for bitmapped sets.
96 * tree-flow.h (has_stmt_ann): New function.
98 2006-10-29 Roger Sayle <roger@eyesopen.com>
100 * builtins.c (fold_builtin_floor): Check for the availability of
101 the C99 trunc function before transforming floor into trunc.
103 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
105 * builtins.c (fold_builtin_hypot): Rearrange recursive
106 transformation before others, and also do ABS_EXPR. When
107 necessary, check flag_unsafe_math_optimizations. When necessary,
110 2006-10-29 Roger Sayle <roger@eyesopen.com>
112 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
113 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
114 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
115 Fold -X eq/ne -Y as X eq/ne Y.
117 2006-10-29 Richard Sandiford <richard@codesourcery.com>
119 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
120 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
121 rather than GENERATE_MULT3_SI in the various define_peephole2s.
122 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
123 Use an inclusive test for "mult" rather than "mul".
124 (rotr<mode>3): Depend on ISA_HAS_ROR.
125 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
127 (GENERATE_MULT3_DI): Delete.
128 (ISA_HAS_64BIT_REGS): Use consistent formatting.
129 (ISA_HAS_MUL3): New macro.
130 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
131 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
132 (ISA_HAS_CLZ_CLO): Likewise.
133 (ISA_HAS_DCLZ_DCLO): Delete.
134 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
135 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
136 the VR4120 and VR4130.
137 (ISA_HAS_MACCHI): Use consistent formatting.
138 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
139 (ISA_HAS_ROR): ...this new macro.
140 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
141 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
142 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
144 2006-10-29 Roger Sayle <roger@eyesopen.com>
146 PR tree-optimization/15458
147 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
150 2006-10-29 Richard Guenther <rguenther@suse.de>
152 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
153 (ix86_expand_truncdf_32): Likewise.
154 * config/i386/i386.c (ix86_expand_trunc): New function expanding
155 trunc inline for SSE math and -fno-trapping-math and if not
157 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
158 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
159 for expanding btrunc inline for SSE math.
161 2006-10-29 Joseph Myers <joseph@codesourcery.com>
163 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
164 Handle tuning for bi-arch i[34567]86-*-linux* like that for
165 i[34567]86-*-solaris2.1[0-9]*.
166 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
167 Define conditionally depending on TARGET_64BIT_DEFAULT.
168 (SPEC_32, SPEC_64): Define.
169 (LINK_SPEC): Use them.
170 * doc/install.texi (--enable-targets=all): Document for x86-linux.
172 2006-10-29 Richard Guenther <rguenther@suse.de>
174 * config/i386/i386-protos.h (ix86_expand_round): Declare.
175 (ix86_expand_rounddf_32): Likewise.
176 * config/i386/i386.c (ix86_expand_round): New function expanding
177 round inline for SSE math and -fno-trapping-math and if not
179 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
180 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
181 round via ix86_expand_round.
183 2006-10-29 Richard Guenther <rguenther@suse.de>
185 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
186 (ix86_expand_floorceildf_32): Likewise.
187 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
188 static helper function.
189 (ix86_expand_floorceil): Expander for floor and ceil to SSE
191 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
192 * config/i386/i386.md (floordf2): Adjust to enable floor
193 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
194 -fno-trapping-math is enabled and if not optimizing for size.
195 (floorsf2, ceildf2, ceilsf2): Likewise.
196 * config/i386/sse.md (sse_maskcmpsf3): New insn.
197 (sse2_maskcmpdf3): Likewise.
199 2006-10-29 Richard Guenther <rguenther@suse.de>
201 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
202 rint in case -fno-trapping-math is enabled.
203 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
204 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
205 (ix86_expand_sse_fabs): Likewise.
206 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
207 * config/i386/i386.md (rintdf2): Enable for SSE math if
208 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
211 2006-10-29 Richard Guenther <rguenther@suse.de>
213 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
214 to conversion optabs.
215 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
217 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
218 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
219 (lfloor_optab, lceil_optab): Adjust defines.
220 * builtins.c (expand_builtin_int_roundingfn): Adjust for
221 lfloor and lceil optabs now being conversion optabs.
222 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
223 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
224 New static helper function.
225 (ix86_expand_lfloorceil): New function to expand lfloor and
227 * config/i386/i386.md (lfloor<mode>2): Split into ...
228 (lfloorxf<mode>2): ... x87 variant
229 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
230 using ix86_expand_lfloorceil.
231 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
233 * doc/md.texi (lfloorMN, lceilMN): Document.
235 2006-10-29 Richard Sandiford <richard@codesourcery.com>
237 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
238 -mno-shared assembler option on mips targets.
239 * configure, config.in: Regenerate.
240 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
241 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
242 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
244 2006-10-29 Richard Sandiford <richard@codesourcery.com>
246 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
247 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
249 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
251 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
252 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
255 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
259 (fold_builtin_pow): Evaluate constant arguments at compile-time
261 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
262 (do_mpfr_ckconv): New helper function.
263 (do_mpfr_arg1): Use do_mpfr_ckconv.
266 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
269 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
270 (-fdump-rtl-sched): Rename to ..
271 (-fdump-rtl-sched1): here. Also fix file extension number.
273 2006-10-28 Richard Guenther <rguenther@suse.de>
275 * fold-const.c (maybe_canonicalize_comparison): Fix code
278 2006-10-28 Uros Bizjak <uros@kss-loka.si>
280 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
281 (NON_QI_REG_P): Use IN_RANGE.
282 (REX_INT_REGNO_P): Use IN_RANGE.
283 (FP_REGNO_P): Use IN_RANGE.
284 (SSE_REGNO_P): Use IN_RANGE.
285 (REX_SSE_REGNO_P): Use IN_RANGE.
286 (MMX_REGNO_P): Use IN_RANGE.
287 (STACK_REGNO_P): New macro.
288 (STACK_REG_P): Use STACK_REGNO_P.
289 (NON_STACK_REG_P): Use STACK_REGNO_P.
290 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
291 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
292 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
293 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
294 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
296 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
298 * except.h (output_function_exception_table): Add 'const char*' param.
299 * except.c (switch_to_exception_section): Add 'const char*' param.
300 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
301 and flag_function_sections is set, use a function-specific section.
302 (output_function_exception_table): Add 'const char*' param.
303 Adjust call to switch_to_exception_section.
304 * final.c (rest_of_handle_final): Adjust calls to
305 output_function_exception_table.
306 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
307 * config.in: Regenerate.
308 * configure: Likewise.
310 2006-10-28 Richard Guenther <rguenther@suse.de>
313 * fold-const.c (maybe_canonicalize_comparison_1): Helper
314 for maybe_canonicalize_comparison.
315 (maybe_canonicalize_comparison): New function for canonicalizing
317 (fold_comparison): Call it to canonicalize comparisons with
320 2006-10-28 Richard Guenther <rguenther@suse.de>
323 * builtins.c (expand_builtin_int_roundingfn_2): Expand
324 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
325 (expand_builtin): Adjust likewise.
326 * genopinit.c (optabs[]): Add lround optab.
327 * optabs.c (init_optabs): Initialize lround_optab.
328 * optabs.h (enum convert_optab_index): Add COI_lround.
329 (lround_optab): Define.
330 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
331 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
333 (ix86_expand_lround): New function.
334 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
336 * doc/md.texi (lroundMN2): Document.
338 2006-10-28 Uros Bizjak <uros@kss-loka.si>
341 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
342 argument to HOST_WIDE_INT. Update function prototype.
343 (round_frame_size): Change return type to HOST_WIDE_INT. Change
344 "size" argument to HOST_WIDE_INT. Update function prototype.
346 2006-10-28 Uros Bizjak <uros@kss-loka.si>
348 * config/i386/i386.c (output_387_ffreep): Create output from a
349 template string for !HAVE_AS_IX86_FFREEP.
351 2006-10-27 Eric Christopher <echristo@apple.com>
353 * config/darwin.c: Fix formatting and grammar.
355 2006-10-27 Jan Hubicka <jh@suse.cz>
357 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
358 to be thrown away soon when IGNORE is set.
359 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
360 indicating when return value shall not be computed.
361 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
363 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
365 * config/i386/i386.h (TARGET_GEODE):
366 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
367 (TARGET_CPU_DEFAULT_geode): New macro.
368 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
369 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
370 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
371 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
372 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
374 (TARGET_CPU_DEFAULT_NAMES): Add geode.
375 (processor_type): Add PROCESSOR_GEODE.
377 * config/i386/i386.md: Include geode.md.
380 * config/i386/i386.c (geode_cost): New initialized global
382 (m_GEODE, m_K6_GEODE): New macros.
383 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
384 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
385 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
386 x86_schedule): Use m_K6_GEODE instead of m_K6.
387 (x86_movx, x86_cmove): Set up m_GEODE.
388 (x86_integer_DFmode_moves): Clear m_GEODE.
389 (processor_target_table): Add entry for geode.
390 (processor_alias_table): Ditto.
392 * config/i386/geode.md: New file.
394 * doc/invoke.texi: Add entry about geode processor.
396 2006-10-27 Mike Stump <mrs@apple.com>
398 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
399 __DYNAMIC__ from here back to ...
400 * config/darwin.h (CPP_SPEC): ... here.
402 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
403 Nathan Sidwell <nathan@codesourcery.com>
405 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
406 when choosing the minimum heapsize.
408 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
410 * gcc/unwind-dw2.h: Move cfa-related variables into
411 struct frame_state_reg_info to ensure that the CFA is properly
412 handled when executing DW_CFA_{remember,restore}_state.
413 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
414 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
415 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
416 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
417 gcc/config/rs6000/linux-unwind.h,
418 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
419 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
420 Modify to use new cfa_* fields.
422 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
424 * config/s390/s390.c (s390_init_frame_layout): Check positive
427 2006-10-26 Ben Elliston <bje@au.ibm.com>
429 * gimplify.c (get_name): Remove extraneous break.
430 (gimplify_omp_for): Initialise ret with GS_OK.
432 2006-10-25 Steve Ellcey <sje@cup.hp.com>
434 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
435 Add unix98.o to link line.
437 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
440 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
441 Calculate compile-time constants using MPFR.
442 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
443 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
445 2006-10-25 Bob Wilson <bob.wilson@acm.org>
447 * config/xtensa/lib2funcs.S: Use C-style comments.
449 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
451 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
452 (file_table_relative_p): Likewise.
453 (dwarf2out_finish): Likewise.
454 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
456 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
458 * tree-ssa-structalias.c (intra_create_variable_infos):
459 Don't recreate nonlocal_all if it already exists.
461 2006-10-25 Richard Guenther <rguenther@suse.de>
464 * optabs.h (enum optab_index): Remove OTI_lrint.
465 (enum convert_optab_index): Add COI_lrint.
466 (lrint_optab): Adjust.
467 (expand_sfix_optab): Declare.
468 * optabs.c (expand_sfix_optab): New function.
469 (init_optabs): Init lrint_optab as conversion optab.
470 * genopinit.c (lrint_optab): Change to a conversion optab.
471 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
472 expansion via conversion optab.
473 * config/i386/i386.md (*fistdi2_1): Remove
474 flag_unsafe_math_optimizations guard.
475 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
476 fist<mode>2_with_temp): Likewise.
477 (lrint<mode>2): Split into...
478 (lrintxf<mode>2): ... x87 part
479 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
480 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
481 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
482 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
483 * doc/md.texi (lrintMN2): Document.
485 2006-10-25 Uros Bizjak <uros@kss-loka.si>
488 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
489 Use inc and dec instructions for TARGET_USE_INCDEC.
490 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
491 ("sync_double_compare_and_swap<mode>"): Likewise.
492 ("*sync_double_compare_and_swapdi_pic"): Likewise.
493 ("*sync_compare_and_swap_cc<mode>"): Likewise.
494 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
495 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
496 ("sync_old_add<mode>"): Likewise.
497 ("sync_lock_test_and_set<mode>"): Likewise.
498 ("sync_lock_test_and_set<mode>"): Likewise.
499 ("sync_add<mode>"): Likewise.
500 ("sync_sub<mode>"): Likewise.
501 ("sync_ior<mode>"): Likewise.
502 ("sync_and<mode>"): Likewise.
503 ("sync_xor<mode>"): Likewise.
505 2006-10-25 Uros Bizjak <uros@kss-loka.si>
507 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
508 (remainder_optab): Define corresponding macro.
509 (drem_optab): Remove.
510 * optabs.c (init_optabs): Initialize remainder_optab. Remove
511 drem_optab initialization.
512 * genopinit.c (optabs): Implement remainder_optab using
513 remainder?f3 patterns. Remove drem_optab.
514 * builtins.c (expand_builtin_mathfn_2): Handle
515 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
516 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
517 expand_builtin_mathfn_2.
519 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
520 depend on flag_unsafe_math_optimizations.
522 * config/i386/i386.md ("remaindersf3", "remainderdf3")
523 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
524 Do not depend on flag_unsafe_math_optimizations. Use
525 truncxf?f expander instead of truncxf?f_i387_noop.
527 ("fpremxf4", "fprem1xf4"): Do not depend on
528 flag_unsafe_math_optimizations.
529 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
530 flag_unsafe_math_optimizations. Use truncxf?f expander
531 instead of truncxf?f_i387_noop.
533 * doc/md.texi (fmod, remainder): Document standard named pattern.
535 2006-10-24 Richard Sandiford <richard@codesourcery.com>
536 David Daney <ddaney@avtrex.com>
539 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
541 2006-10-25 Ben Elliston <bje@au.ibm.com>
543 * doc/extend.texi (Variable Attributes): Typo fix.
545 2006-10-24 Uros Bizjak <uros@kss-loka.si>
547 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
548 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
549 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
550 (FRAME_POINTER_REGNUM): Update register number to 21.
551 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
552 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
554 * config/i386/i386.c (regclass_map): Add fpcr entry.
555 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
557 (print_reg): Assert REGNO (x) != FPCR_REG.
559 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
560 (DIRFLAG_REG): Renumber.
561 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
562 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
563 (sse_prologue_save, *sse_prologue_save_insn): Renumber
564 hardcoded SSE register numbers.
566 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
567 hardcoded MMX register numbers.
569 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
573 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
575 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
576 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
577 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
578 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
580 2006-10-24 Richard Guenther <rguenther@suse.de>
583 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
584 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
585 for deciding optimizations in consistency with fold-const.c
586 (fold_builtin_unordered_cmp): Likewise.
588 2006-10-24 Richard Guenther <rguenther@suse.de>
590 * builtins.c (fold_builtin_floor): Fold floor (x) where
591 x is nonnegative to trunc (x).
592 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
593 nonnegative to FIX_TRUNC_EXPR.
595 2006-10-24 Richard Guenther <rguenther@suse.de>
597 PR tree-optimization/29567
598 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
599 for TRUTH_NOT_EXPR. Clarify comments.
601 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
604 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
605 at compile-time using MPFR. Change parameter VALUE to FUNC,
607 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
608 for overflow and underflow at all times and avoid folding in
611 2006-10-24 Ben Elliston <bje@au.ibm.com>
613 * reload1.c: Formatting fixes.
615 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
617 PR tree-optimization/14784
618 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
619 * tree-ssa-structalias.c (get_constraint_for,
620 intra_create_variable_infos): Set is_heapvar.
621 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
622 non-heapvar pointer variables specially.
624 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * builtins.c (fold_builtin_sin, fold_builtin_cos,
628 fold_builtin_tan): Fold all constant arguments. Take a "type"
629 argument as necessary.
631 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
633 2006-10-23 Bob Wilson <bob.wilson@acm.org>
635 * config/xtensa/lib1funcs.asm: Use C-style comments.
637 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
639 * tree.c (local_define_builtin): Replace calls to
640 lang_hooks.builtin_function with add_builtin_function.
641 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
643 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
645 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
646 common code to add_builtin_function.
647 * langhooks.c (add_builtin_function): New function.
648 (lhd_builtin_function): New function.
649 * langhooks.h (struct lang_hooks): Change the signature of
651 (add_builtin_function): New function.
652 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
653 calls to lang_hooks.builtin_function with add_builtin_function.
654 * c-common.c (decl_builtin_1): Replace calls to
655 lang_hooks.builtin_function with add_builtin_function.
656 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
657 lang_hooks.builtin_function with add_builtin_function.
658 * config/frv/frv.c (def_builtin): Replace calls to
659 lang_hooks.builtin_function with add_builtin_function.
660 * config/s390/s390.c (s390_init_builtins): Replace calls to
661 lang_hooks.builtin_function with add_builtin_function.
662 * config/sparc/sparc.c (def_builtin): Replace calls to
663 lang_hooks.builtin_function with add_builtin_function.
664 * config/i386/i386.c (def_builtin): Replace calls to
665 lang_hooks.builtin_function with add_builtin_function.
666 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
667 lang_hooks.builtin_function with add_builtin_function.
668 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
669 lang_hooks.builtin_function with add_builtin_function.
670 * config/stormy16/stormy16.c (xstormy16_init_builtins):
671 Replace calls to lang_hooks.builtin_function with
672 add_builtin_function.
673 * config/iq2000/iq2000.c (def_builtin):
674 Replace calls to lang_hooks.builtin_function with
675 add_builtin_function.
676 * config/ia64/ia64.c (def_builtin): Replace calls to
677 lang_hooks.builtin_function with add_builtin_function.
678 * config/rs6000/rs6000.c (def_builtin): Replace calls to
679 lang_hooks.builtin_function with add_builtin_function.
680 (altivec_init_builtins): Replace calls to
681 lang_hooks.builtin_function with add_builtin_function.
682 * config/arm/arm.c (def_mbuiltin): Replace calls to
683 lang_hooks.builtin_function with add_builtin_function.
684 (arm_init_tls_builtins): Replace calls to
685 lang_hooks.builtin_function with add_builtin_function.
686 * config/mips/mips.c (mips_init_builtins): Replace calls to
687 lang_hooks.builtin_function with add_builtin_function.
688 * config/bfin/bfin.c (def_builtin): Replace calls to
689 lang_hooks.builtin_function with add_builtin_function.
690 * langhooks-def.h (lhd_builtin_function): New function.
691 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
693 2006-10-23 Jakub Jelinek <jakub@redhat.com>
695 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
696 BUILT_IN_STRNCAT_CHK.
698 2006-10-23 Jan Hubicka <jh@suse.cz>
700 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
701 don't do conversion from memmove to memcpy here.
702 (expand_builtin_bcopy, expand_builtin): Update call of
703 expand_builtin_memmove.
704 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
706 2006-10-23 Paul Brook <paul@codesourcery.com>
708 * stor-layout.c (start_record_layout): maximum_field_alignment
709 overrides STRUCTURE_SIZE_BOUNDARY.
711 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
713 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
714 nonlocal function symbols if flag_pic.
716 2006-10-23 Richard Guenther <rguenther@suse.de>
720 * builtins.c (fold_binary): Remove checks for flag_wrapv
721 and flag_trapv where negate_expr_p covers these cases.
723 2006-10-23 Richard Guenther <rguenther@suse.de>
726 * fold-const.c (fold_plusminus_mult_expr): Check exact power
727 of two on the absolute value.
728 (fold_binary): Fold x * -C to -x * C if x is easily negatable
729 and negating -C does not overflow.
731 2006-10-23 Richard Guenther <rguenther@suse.de>
734 * convert.c (convert_to_real): Fold (float)-x to -(float)x
735 only if not flag_rounding_math.
737 2006-10-22 Richard Sandiford <richard@codesourcery.com>
738 Kaz Kojima <kkojima@gcc.gnu.org>
741 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
742 SImode memory reference for the source of a movua.
743 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
744 (movua): Use an unspec instead of sign_extract. Expect the source
745 to have mode BLKmode.
746 (extv, insv): Use a BLKmode rather than SImode memory reference
747 for the source of a movua.
749 2006-10-22 Jeff Law <law@redhat.com>
750 Richard Guenther <rguenther@suse.de>
752 PR tree-optimization/15911
753 * tree-vrp.c (extract_code_and_val_from_cond): New function.
754 (register_edge_assert_for_1): Likewise.
755 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
756 (find_conditional_asserts): Adjust for new function signature.
757 (find_assert_locations): Likewise.
759 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
761 * config/i386/tmmintrin.h: Remove the duplicated content.
763 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
765 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
766 (x86_64-*-*): Likewise.
768 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
769 (override_options): Check SSSE3.
770 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
771 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
772 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
773 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
774 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
775 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
776 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
777 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
778 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
779 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
780 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
781 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
782 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
783 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
784 IX86_BUILTIN_PABSD128.
785 (bdesc_2arg): Add SSSE3.
786 (bdesc_1arg): Likewise.
787 (ix86_init_mmx_sse_builtins): Support SSSE3.
788 (ix86_expand_builtin): Likewise.
789 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
791 * config/i386/i386.md (UNSPEC_PSHUFB): New.
792 (UNSPEC_PSIGN): Likewise.
793 (UNSPEC_PALIGNR): Likewise.
794 Include mmx.md before sse.md.
796 * config/i386/i386.opt: Add -mssse3.
798 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
799 (ssse3_phaddwv4hi3): Likewise.
800 (ssse3_phadddv4si3): Likewise.
801 (ssse3_phadddv2si3): Likewise.
802 (ssse3_phaddswv8hi3): Likewise.
803 (ssse3_phaddswv4hi3): Likewise.
804 (ssse3_phsubwv8hi3): Likewise.
805 (ssse3_phsubwv4hi3): Likewise.
806 (ssse3_phsubdv4si3): Likewise.
807 (ssse3_phsubdv2si3): Likewise.
808 (ssse3_phsubswv8hi3): Likewise.
809 (ssse3_phsubswv4hi3): Likewise.
810 (ssse3_pmaddubswv8hi3): Likewise.
811 (ssse3_pmaddubswv4hi3): Likewise.
812 (ssse3_pmulhrswv8hi3): Likewise.
813 (ssse3_pmulhrswv4hi3): Likewise.
814 (ssse3_pshufbv16qi3): Likewise.
815 (ssse3_pshufbv8qi3): Likewise.
816 (ssse3_psign<mode>3): Likewise.
817 (ssse3_psign<mode>3): Likewise.
818 (ssse3_palignrti): Likewise.
819 (ssse3_palignrdi): Likewise.
820 (abs<mode>2): Likewise.
821 (abs<mode>2): Likewise.
823 * config/i386/tmmintrin.h: New file.
825 * doc/extend.texi: Document SSSE3 built-in functions.
827 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
829 2006-10-22 Ira Rosen <irar@il.ibm.com>
831 * tree-vect-transform.c (vectorizable_load): Use the type of the
832 return value of the mask_for_load builtin to create realign_load
835 2006-10-22 Richard Sandiford <richard@codesourcery.com>
837 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
840 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
842 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
843 (UNSPEC_LDDQU): This.
844 * config/i386/sse.md (sse3_lddqu): Updated.
846 2006-10-21 Richard Guenther <rguenther@suse.de>
848 * builtins.c (expand_builtin_int_roundingfn_2): New function.
849 (expand_builtin): Use it to expand lrint instead of
850 expand_builtin_mathfn.
852 2006-10-21 Uros Bizjak <uros@kss-loka.si>
855 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
856 flag_unsafe_math_optimizations is set.
858 2006-10-21 Uros Bizjak <uros@kss-loka.si>
861 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
862 patterns to use memory input operand in x87->mem->XMM
863 reload sequences. Skip transformation for TARGET_K8.
865 2006-10-21 Uros Bizjak <uros@kss-loka.si>
867 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
868 force operand1 to register if both operands are memory operands.
869 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
870 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
871 if both operands are memory operands.
872 (truncdfsf2): Do not force operand1 to register if both operands
875 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 * Makefile.in (LIBS): Add $(GMPLIBS).
878 * doc/install.texi: Update GMP and MPFR requirements.
879 * doc/sourcebuild.texi (need_gmp): Delete.
881 2006-10-21 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/3511
884 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
885 got new invariant arguments during PHI translation.
887 2006-10-21 Richard Guenther <rguenther@suse.de>
890 * fold-const.c (fold_comparison): Fold signed comparisons
891 of the form X +- C1 CMP Y +- C2.
893 2006-10-21 Richard Guenther <rguenther@suse.de>
896 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
897 if flag_unsafe_math_optimizations is specified. We have
898 flag_finite_math_only for that.
899 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
900 or flag_unsafe_math_optimizations.
902 2006-10-21 Richard Guenther <rguenther@suse.de>
904 * builtins.c (fold_builtin_classify): Fix typo.
906 2006-10-21 Richard Guenther <rguenther@suse.de>
909 * simplify-rtx.c (simplify_const_relational_operation):
910 Do not constant-fold ORDERED and UNORDERED for
911 flag_unsafe_math_optimizations but only we do not need to
912 honor NaNs for the given mode.
914 2006-10-21 Richard Guenther <rguenther@suse.de>
917 * config/i386/i386.c (classify_argument): Remove redundant
918 walking of the BINFOs.
919 (contains_128bit_aligned_vector_p): Likewise.
921 2006-10-20 Mark Mitchell <mark@codesourcery.com>
923 * BASE-VER: Set to 4.3.0.
925 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
927 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
928 (tree_decl_with_vis): Remove artificial_pta_var flag.
929 * tree-flow.h (referenced_var_check_and_insert): Expose.
930 (nonlocal_all): New prototype.
931 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
932 (nonlocal_all): Make global.
933 (nonlocal_lookup): Remove.
934 (nonlocal_insert): Ditto.
935 (create_nonlocal_var): Do not call nonlocal_insert.
936 (get_nonlocal_id_for_type): Remove.
937 (find_global_initializers): Mark new vars we find for renaming.
938 (intra_create_variable_infos): Only create one nonlocal.
939 (expand_nonlocal_solutions): Remove.
940 (compute_points_to_sets): Don't call it.
941 (ipa_pta_execute): Ditto.
942 (init_alias_heapvars): Don't create nonlocal_for_type.
943 (delete_alias_heapvars): Don't remove it.
944 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
947 2006-10-19 Brooks Moses <bmoses@stanford.edu>
949 * doc/install.texi (Downloading GCC): Clarify mention of
950 Fortran in the "full distribution" description.
952 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
954 Fix PR tree-optimization/28778
955 Fix PR tree-optimization/29156
956 Fix PR tree-optimization/29415
957 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
958 (tree_decl_with_vis): Add artificial_pta_var flag.
959 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
961 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
962 (nonlocal_all): Ditto.
963 (struct variable_info): Add directly_dereferenced member.
964 (var_escaped_vars): New variable.
965 (escaped_vars_tree): Ditto.
966 (escaped_vars_id): Ditto.
967 (nonlocal_vars_id): Ditto.
968 (new_var_info): Set directly_dereferenced.
969 (graph_size): New variable
970 (build_constraint_graph): Use graph_size.
971 (solve_graph): Don't process constraints that cannot change the
972 solution, don't try to propagate an empty solution to our
974 (process_constraint): Set directly_dereferenced.
975 (could_have_pointers): New function.
976 (get_constraint_for_component_ref): Don't process STRING_CST.
977 (nonlocal_lookup): New function.
978 (nonlocal_insert): Ditto.
979 (create_nonlocal_var): Ditto.
980 (get_nonlocal_id_for_type): Ditto.
981 (get_constraint_for): Allow results vector to be empty in the case
983 Handle results of calls properly.
984 (update_alias_info): Update alias info stats on number and type of
986 (find_func_aliases): Use could_have_pointers.
987 (make_constraint_from_escaped): Renamed from
988 make_constraint_to_anything, and changed to make constraints from
990 (make_constraint_to_escaped): New function.
991 (find_global_initializers): Ditto.
992 (create_variable_info_for): Make constraint from escaped to any
993 global variable, and from any global variable to the set of
995 (intra_create_variable_infos): Deal with escaped instead of
996 pointing to anything.
997 (set_uids_in_ptset): Do type pruning on directly dereferenced
999 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1000 (init_base_vars): Fix comment, and initialize escaped_vars.
1001 (need_to_solve): Removed.
1002 (find_escape_constraints): New function.
1003 (expand_nonlocal_solutions): Ditto.
1004 (compute_points_to_sets): Call find_escape_constraints and
1005 expand_nonlocal_solutions.
1006 (delete_points_to_sets): Don't fall off the end of the graph.
1007 (init_alias_heapvars): Initialize nonlocal_for_type and
1009 (delete_alias_heapvars): Free nonlocal_for_type and null out
1012 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1014 * fold-const.c (add_double): Rename to add_double_with_sign.
1015 Add 'unsigned_p' parameter and take it into account for the overflow.
1016 (mul_double): Rename to mul_double_with_sign.
1017 Add 'unsigned_p' parameter and take it into account for the overflow.
1018 (fold_div_compare): Call add_double_with_sign instead of add_double
1019 and mul_double_with_sign instead of mul_double, passing them the
1020 unsignedness of the type.
1021 * tree.h (add_double): Macroize.
1022 (add_double_with_sign): New prototype.
1023 (mul_double): Macroize.
1024 (mul_double_with_sign): New prototype.
1026 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1028 * config/score/crti.asm: New file.
1029 * config/score/crtn.asm: New file.
1030 * config/score/elf.h: New file.
1031 * config/score/mac.md: New file.
1032 * config/score/misc.md: New file.
1033 * config/score/mul-div.S: New file.
1034 * config/score/predicates.md: New file.
1035 * config/score/score7.md: New file.
1036 * config/score/score.c: New file.
1037 * config/score/score-conv.h: New file.
1038 * config/score/score.h: New file.
1039 * config/score/score.md: New file.
1040 * config/score/score-mdaux.c: New file.
1041 * config/score/score-mdaux.h: New file.
1042 * config/score/score-modes.def: New file.
1043 * config/score/score.opt: New file.
1044 * config/score/score-protos.h: New file.
1045 * config/score/score-version.h: New file.
1046 * config/score/t-score-elf: New file.
1047 * config.gcc: Add score*-*-* configurations(Update before).
1048 * doc/invoke.texi (Score Options): New section.
1049 * doc/md.texi (Score family): New section to document constraints.
1051 2006-10-19 Nick Clifton <nickc@redhat.com>
1053 * config/arm/arm.c: Fix spelling typo.
1055 2006-10-18 Tom Tromey <tromey@redhat.com>
1057 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1059 2006-10-18 Jan Hubicka <jh@suse.cz>
1062 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1065 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1067 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1068 TSI_SAME_STMT, since that's the desired entity.
1070 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1072 * config/s390/contraints.md: New file.
1073 * config/s390/s390-protos.h (s390_mem_constraint,
1074 s390_O_constraint_str, s390_N_constraint_str,
1075 s390_float_const_zero_p): Function prototypes added.
1076 * config/s390/s390.c (s390_extra_constraint_str,
1077 s390_const_double_ok_for_constraint_p,
1078 s390_const_ok_for_constraint_p): Functions removed.
1079 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1080 s390_float_const_zero_p): New functions.
1081 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1082 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1083 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1084 Macro definitions removed.
1085 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1086 s390_extra_constraint_str): Functions removed.
1088 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1089 Richard Sandiford <richard@codesourcery.com>
1092 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1093 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1095 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1097 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1098 (DWARF2_FRAME_REG_OUT): Likewise.
1099 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1100 (DWARF2_FRAME_REG_OUT): Likewise.
1102 2006-10-17 Paul Brook <paul@codesourcery.com>
1104 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1106 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1108 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1109 Standardize on "GNU Fortran" as the official name of the Fortran
1112 2006-10-16 Mike Stump <mrs@apple.com>
1114 * doc/invoke.texi (Darwin Options): Document -mkernel.
1115 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1117 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1118 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1119 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1120 (OS_MISSING_ALTIVEC): Add.
1121 * config/i386/i386.c (override_options): Add
1122 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1123 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1124 -mkernel, -static or -mdynamic-no-pic is given.
1125 (C_COMMON_OVERRIDE_OPTIONS): Add.
1126 * config/darwin.opt (fapple-kext): Add.
1128 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1129 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1131 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1132 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1133 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1134 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1135 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1136 (flag_mkernel): Add.
1137 (flag_apple_kext): Add.
1138 (TARGET_KEXTABI): Add.
1139 * config/darwin.c (darwin_handle_kext_attribute): Add.
1140 (DARWIN_VTABLE_P): Add.
1141 (darwin_binds_local_p): Add partial support for rebinding vtables
1143 (darwin_kextabi_p): Add.
1144 (darwin_override_options): Add.
1145 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1146 (darwin_kextabi_p): Add.
1147 (darwin_override_options): Add.
1148 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1149 __DYNAMIC__ and __STATIC__ here.
1151 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1153 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1154 Added mention of "make pdf" target, and Texinfo requirements for
1157 2006-10-16 DJ Delorie <dj@redhat.com>
1159 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1160 into the GOT in case we need a subreg of the address.
1162 2006-10-16 Richard Guenther <rguenther@suse.de>
1165 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1166 SSE builtin documentation. Document SSE2 builtins.
1168 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1170 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1171 symbol in the output file for non-shared links when -nostdlib or
1172 -nodefaultlibs isn't specified.
1174 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1175 posix thread support.
1177 2006-10-15 Jan Hubicka <jh@suse.cz>
1180 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1181 declared always_inline even when not inlining.
1183 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1184 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1185 Andrew Pinski <pinskia@gmail.com>
1188 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1190 2006-10-15 Jan Hubicka <jh@suse.cz>
1191 Richard Guenther <rguenther@suse.de>
1194 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1195 process_function_and_variable_attributes on all variables, including
1196 those discovered during cgraph construction phase.
1198 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1200 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1202 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1204 * config/i386/athlon.md (athlon_fist): Add fisttp.
1206 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1207 Ian Lance Taylor <ian@airs.com>
1210 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1211 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1214 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1216 * config/score/score.c, config/score/score.h: Fix comment
1219 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1222 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1225 2006-10-13 Eric Christopher <echristo@apple.com>
1227 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1229 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1232 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1233 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1234 alignment supported by 32-bit ELF.
1236 2006-10-13 Eric Christopher <echristo@apple.com>
1238 * config/darwin.c (darwin_emit_unwind_label): Strip
1239 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1241 2006-10-13 Richard Guenther <rguenther@suse.de>
1243 PR tree-optimization/29446
1244 * tree-vrp.c (fix_equivalence_set): Remove.
1245 (extract_range_from_assert): Do not call fix_equivalence_set.
1246 (debug_value_range): Print a newline.
1247 (compare_name_with_value): For equivalence sets with
1248 inconsistent value ranges conservatively bail out.
1249 (compare_names): Likewise.
1251 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1253 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1254 and MPFR for gfortran.
1256 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1258 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1259 alignment supported by 32-bit ELF.
1261 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1265 * c-typeck.c (digest_init): Always allow initializing vectors
1266 that have static storage duration with compound literals.
1267 * tree.c (build_type_attribute_qual_variant): New, based on
1268 build_type_attribute_variant.
1269 (build_type_attribute_variant): Rewrite using the former.
1270 (make_vector_type): Use build_type_attribute_qual_variant to build
1271 type variants. Use type_hash_canon on the others.
1273 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1274 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1276 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1278 2006-10-12 Jan Hubicka <jh@suse.cz>
1281 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1282 current_function_decl is set but current_function_scope is not.
1284 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1286 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1287 emit_insn to emit eh_return_internal instruction.
1288 (eh_return_internal): Explicitly set pc.
1290 2006-10-11 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/28230
1293 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1294 to the correct place.
1296 2006-10-11 Richard Guenther <rguenther@suse.de>
1299 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1302 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1304 * configure.ac: Added pdf to "Make-hooks"
1305 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1306 targets and *.pdf file patterns in cleanup targets.
1307 * configure: Regenerated.
1309 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1311 * config/avr/predicates.md: New file.
1312 * config/avr/avr.md: Include it.
1313 (REG_SP): New constant.
1314 (peepholes): Use predicates.
1315 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1316 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1317 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1319 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1321 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1324 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1327 * builtins.c (var_decl_component_p): New function.
1328 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1329 single entry optimization to variables and components thereof.
1331 2006-10-10 Richard Guenther <rguenther@suse.de>
1333 PR rtl-optimization/29323
1334 * except.c (set_nothrow_function_flags): For functions
1335 that do not bind local bail out early.
1337 2006-10-10 Ben Elliston <bje@au.ibm.com>
1339 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1342 2006-10-09 Richard Henderson <rth@redhat.com>
1344 Revert emutls patch.
1346 2006-10-09 Richard Guenther <rguenther@suse.de>
1349 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1352 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1355 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1356 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1357 * configure: Regenerate.
1358 * config.in: Regenerate.
1360 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1362 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1364 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1366 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1367 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1368 Remove stray newline.
1370 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1372 * config/mips/mips.c (mips_classify_symbol): Do not return
1373 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1374 (mips_in_small_data_p): Tweak comments.
1376 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1378 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1380 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1382 * gimplify.c, sched-int.h: Fix comment typos.
1384 * sched-int.h: Fix comment typos.
1386 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1388 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1390 * sched-ebb.c (begin_schedule_ready): Use them.
1391 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1392 add_to_speculative_block, create_check_block_twin, speculate_insn,
1393 fix_jump_move, move_block_after_check): Ditto.
1394 * sched-rgn.c (new_ready): Ditto.
1396 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1398 PR rtl-optimization/29128
1399 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1400 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1401 allow interblock movement of speculation checks.
1403 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1406 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1407 casted to integer type.
1408 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1409 if they are significantly more expensive than [reg + index] ones.
1411 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1413 PR tree-optimization/29330
1414 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1415 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1416 on newly allocated ddrs.
1417 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1418 to VEC (loop_p, heap) pointer.
1419 (compute_data_dependences_for_loop): Adjust caller.
1420 (free_dependence_relations): Free DDR_LOOP_NEST.
1422 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1423 free DEPENDENCE_RELATIONS and DATAREFS.
1426 * builtins.c (expand_builtin_sync_operation,
1427 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1428 Use convert_to_mode to handle promoted arguments.
1430 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1432 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1434 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1436 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1438 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1440 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1441 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1442 Use <modeconstraint> instead of "r" as operand 1 constraint.
1444 2006-10-06 Olivier Hainque <hainque@adacore.com>
1446 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1447 Don't recurse on the pointed-to type.
1448 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1449 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1450 types with components of variable size.
1452 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1454 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1456 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1458 PR tree-optimization/29290
1459 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1463 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1464 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1467 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1468 the number of vector elements fill the rest with zeros.
1470 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1472 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1473 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1476 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1478 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1479 unnamed pattern into subsi3. Use correct constraints/predicates.
1480 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1481 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1483 2006-10-05 Ira Rosen <irar@il.ibm.com>
1485 * doc/loop.texi: Add data references analysis description.
1487 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1489 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1491 2006-10-04 Richard Henderson <rth@redhat.com>
1492 Jakub Jelinek <jakub@redhat.com>
1494 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1495 * builtin-types.def (BT_WORD): Make unsigned.
1496 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1497 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1498 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1499 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1500 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1501 * cgraph.c (decide_is_variable_needed): Look at force_output.
1502 Recurse for emulated tls.
1503 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1504 checks redundant with decide_is_variable_needed.
1505 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1506 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1508 * expr.c (emutls_var_address): New.
1509 (expand_expr_real_1): Expand emulated tls.
1510 (expand_expr_addr_expr_1): Likewise.
1511 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1512 * output.h (emutls_finish): Declare.
1513 * toplev.c (compile_file): Call it.
1514 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1515 address before wrapping in CONST.
1516 * varasm.c (emutls_htab, emutls_object_type): New.
1517 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1518 (get_emutls_object_name, get_emutls_object_type): New.
1519 (get_emutls_init_templ_addr, emutls_decl): New.
1520 (emutls_common_1, emutls_finish): New.
1521 (assemble_variable): When emulating tls, swap decls; generate
1522 constructor for the emutls objects.
1523 (do_assemble_alias): When emulating tls, swap decl and target name.
1524 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1526 * emutls.c: New file.
1527 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1528 tls_object for real tls.
1530 2006-10-04 Zack Weinberg <zackw@panix.com>
1532 Fix bug in constraint-check generator, reported by Rask Ingemann
1534 * genpreds.c (add_constraint): Don't remove anything from the
1536 (write_tm_constrs_h): Detect whether "op" argument is used, and
1537 mark it ARG_UNUSED if it isn't.
1538 (write_insn_const_int_ok_for_constraint): Skip the part of the
1539 expression that would test whether "op" (which is not available
1540 here) is a CONST_INT.
1542 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1545 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1547 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1549 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1550 current Leopard versions.
1551 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1553 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1555 * doc/install.texi: Fix typos.
1557 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1559 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1560 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1561 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1563 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1565 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1566 arg to be struct mach_header_64* instead.
1568 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1571 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1572 side effects after the outer expression's post side effects.
1574 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1576 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1577 comments to reflect actual behavior and relationship between
1578 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1580 * doc/c-tree.texi (Working with declarations): Fix documentation
1581 of FIELD_DECL likewise.
1583 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1586 * doc/extend.texi: Add used variable attribute description.
1588 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1591 * c.opt (Woverride-init): New.
1592 * c-opts.c (c_common_post_options): Default warn_override_init to
1594 * c-typeck.c (add_pending_init, output_init_element): Warn for
1595 overriding initializers without side effects.
1596 * doc/invoke.texi (-Woverride-init): Document.
1599 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1601 PR rtl-optimization/28096
1602 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1603 assignment has already been used as a destination earlier in the block.
1605 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1607 * builtins.c (expand_builtin_setjmp): Delete.
1608 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1609 <BUILT_IN_SETJMP_SETUP>: New case.
1610 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1611 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1612 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1613 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1614 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1615 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1616 (lower_function_body): Initialize it to false. If it is set to true
1617 at the end of the processing, emit the setjmp dispatcher.
1618 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1619 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1620 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1621 on the rhs of the assignment.
1622 (lower_builtin_setjmp): New function.
1623 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1624 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1625 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1626 to detect calls that can go to non-local labels. Use specific
1627 helper to create the abnormal edges associated with them.
1628 <MODIFY_EXPR>: Likewise.
1629 (make_abnormal_goto_edges): New function extracted from...
1630 (make_goto_expr_edges): ...here. Call it for computed gotos.
1631 (simple_goto_p): Minor tweak.
1632 (tree_can_make_abnormal_goto): New predicate.
1633 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1634 (tree_purge_dead_abnormal_call_edges): New function.
1635 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1636 (tree_purge_dead_abnormal_call_edges): Likewise.
1637 (make_abnormal_goto_edges): Likewise.
1638 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1639 Purge all dead abnormal edges if the call was in the last statement.
1640 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1641 (execute_fixup_cfg): If there are non-local labels in the function,
1642 scan the basic blocks and split them at calls that can go to non-local
1643 labels or add missing abnormal call edges. Write down the CFG in the
1645 (pass_fixup_cfg): Remove TODO_dump_func flag.
1646 * unwind-sjlj.c: Poison setjmp.
1647 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1648 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1649 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1650 (DONT_USE_BUILTIN_SETJMP): Document it.
1652 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1655 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1656 to 1 when __ppc64__ is defined.
1657 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1659 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1661 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1663 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1664 * config/ia64/unwind-hpux.c: Delete.
1666 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1668 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1669 on the element before gimplifying it, instead of punting if it is of
1672 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1674 * doc/loop.texi: New file.
1675 * doc/gccint.texi: Reference loop.texi.
1676 * Makefile.in (loop.texi): Add.
1678 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1680 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1682 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1683 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1685 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1687 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1689 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1691 * doc/install.texi: Document required versions of GMP and MPFR.
1693 2006-09-27 Paul Brook <paul@codesourcery.com>
1696 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1698 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1700 * reload1.c (alter_reg): Require the alignment of the stack slot to
1701 be at least reg_max_ref_width bytes.
1702 (scan_paradoxical_subregs): Record the largest width in
1705 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1709 * tree-nested.c (struct nesting_info): Added static_chain_added.
1710 (convert_call_expr): Set static_chain_added when adding static
1711 chain. Handle OMP_PARALLEL and OMP_SECTION.
1713 2006-09-25 Matthias Klose <doko@debian.org>
1715 * doc/invoke.texi: Add missing full stop.
1717 2006-09-25 Richard Henderson <rth@redhat.com>
1719 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1720 before cgraph_function_flags_ready.
1722 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1723 Adam Nemet <anemet@caviumnetworks.com>
1725 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1726 determine_common_wider_type): New functions.
1727 (get_computation_aff): Use them to simplify arithmetic between
1728 UBASE and CBASE if they are shortened from the same type.
1730 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1733 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1734 -2147483647 - 1 instead of 0x80000000.
1736 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1738 * flags.h (HONOR_NANS): Fix typo in comment.
1740 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1742 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1744 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1748 * tree.c (merge_attributes, attribute_list_contained): If both
1749 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1751 * c-typeck.c (comptypes_internal): Don't consider aggregates
1752 in different TUs as compatible if there one set of attributes is
1753 not a subset of the other type's attributes.
1754 (composite_type): Try harder not to create a new aggregate type.
1756 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1758 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1759 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1760 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1761 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1762 than replicating condition above.
1763 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1765 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1766 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1767 the linker by default.
1769 2006-09-22 Mike Stump <mrs@apple.com>
1771 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1774 2006-09-22 Richard Guenther <rguenther@suse.de>
1777 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1778 sort of stack variables stable.
1780 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1783 * explow.c (force_reg): Set REG_POINTER flag according to
1786 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1788 PR tree-optimization/28888
1789 * tree-if-conv.c (combine_blocks): Rewritten.
1790 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1791 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1793 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1795 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1798 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1800 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1802 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1804 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1806 2006-09-21 Roger Sayle <roger@eyesopen.com>
1809 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1810 dw_fde_current_label, to be the start of the function, i.e. the same
1811 value as dw_fde_begin.
1813 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1815 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1816 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1817 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1818 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1819 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1820 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1821 (abs<mode>2, neg<mode>2): Likewise.
1822 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1823 (*mips_abs_ps): New define_insn.
1825 2006-09-20 Josh Conner <jconner@apple.com>
1828 * calls.c (expand_call): Allow reuse of structure return stack
1831 2006-09-20 Paul Brook <paul@codesourcery.com>
1833 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1836 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1838 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1839 clean up terminology.
1841 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1844 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1845 with tablejumps in them.
1847 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1850 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1851 wrap it into TARGET_EXPR.
1853 2006-09-20 Eric Christopher <echristo@apple.com>
1855 * config/i386/i386.c (x86_fisttp): Remove.
1856 * config/i386/i386.h (x86_fisttp): Ditto.
1857 (TARGET_FISTTP): Ditto.
1859 2006-09-19 Eric Christopher <echristo@apple.com>
1861 * doc/tm.texi (OBJC_JBLEN): Describe.
1862 * config/i386/darwin.h (OBJC_JBLEN): Define.
1863 * config/rs6000/darwin.h: Ditto.
1865 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1867 PR rtl-optimization/21299
1868 * reload1.c (reload): Purge invalid ASMs in the final pass.
1870 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1873 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1874 pointers as legitimate constants.
1876 2006-09-19 Paul Brook <paul@codesourcery.com>
1879 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1881 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1883 PR tree-optimization/28887
1884 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1885 component parts from the reference.
1886 (gather_memory_references_ref): Record the reference without the
1887 nonaddressable component parts.
1889 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1892 * c-opts.c (c_common_handle_option): Ignore the -std options
1893 if the input language is assembly.
1895 2006-09-17 Ira Rosen <irar@il.ibm.com>
1898 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1900 (ptr_ptr_may_alias_p): Likewise.
1901 (record_record_differ_p): New function.
1902 (base_object_differ_p): Call record_record_differ_p.
1904 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1907 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1908 away for the expr argument.
1910 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1913 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1914 before using it for dumping after vectorizing loops.
1916 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1917 Jack Howarth <howarth@bromo.med.uc.edu>
1920 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1921 skip on error_mark_node.
1922 (rs6000_darwin64_record_arg_recurse): Likewise.
1924 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1926 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1927 * doc/rtl.texi: Remove related documentation.
1929 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1931 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1934 2006-09-15 Jim Wilson <wilson@specifix.com>
1936 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1937 Handle symbol offsets same as they are handled in ia64_expand_move
1940 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1942 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1943 Add forgotten parameter to the fprintf call.
1945 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1947 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1949 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1951 * doc/contrib.texi: Add my entry.
1953 2006-09-15 Nick Clifton <nickc@redhat.com>
1955 * doc/md.texi (Processor pipeline description): Fix typo in
1956 example of how to use the absence_set directive and reword the
1957 description to make it slightly easier to read.
1959 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1961 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1962 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1963 expanding the number of iterations.
1964 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1966 * cfgrtl.c (emit_insn_at_entry): New function.
1967 * rtl.h (emit_insn_at_entry): Declare it.
1968 * integrate.c (emit_initial_value_sets): Use it.
1970 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1972 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1974 (struct loop_work and related VEC declarations): Delete.
1975 (bfin_dump_loops): Print out new member bad.
1976 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1977 (bfin_scan_loop): Don't recurse.
1978 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1979 loops. No longer need to update outer loops if the current one is
1980 found bad. Move some validitiy checks to bfin_discover_loop.
1981 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1982 but changed not to check for nesting. Also changed to use the new bad
1984 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1985 time. Use bitmap based test to discover loop nesting.
1987 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1989 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1992 2006-09-14 Richard Guenther <rguenther@suse.de>
1993 Kazu Hirata <kazu@codesourcery.com>
1995 PR middle-end/28884.
1996 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1997 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1998 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1999 with TARGET_FUNCTION_VALUE.
2001 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2004 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2006 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2008 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2011 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2014 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2017 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2019 * basic_block.h (bb_has_eh_pred): Fix comment.
2021 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2023 * flow.c (calculate_global_regs_live): Invalidate eh registers
2024 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2025 (propagate_block): Handle eh registers as if they were set at basic
2027 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2029 * global.c (global_conflicts): Make eh registers to conflict with
2030 pseudos live at basic block begin.
2031 * basic_block.h (bb_has_eh_pred): New function.
2033 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2035 PR rtl-optimization/28982
2036 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2037 index of a PRE_MODIFY or POST_MODIFY address.
2038 * reload1.c (inc_for_reload): Use find_replacement on the original
2039 base and index registers.
2041 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2043 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2044 for -Os. Update __m128 alignment requirement.
2046 2006-09-13 Jan Hubicka <jh@suse.cz>
2048 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2050 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2052 PR rtl-optimization/28243
2053 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2054 the insn to which the note was originally attached.
2056 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2057 Roger Sayle <roger@eyesopen.com>
2059 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2060 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2061 on platforms that don't use dwarf for debug info.
2063 2006-09-12 Jason Merrill <jason@redhat.com>
2066 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2067 hard_frame_pointer_rtx after using it to update the frame pointer.
2069 2006-09-12 Roger Sayle <roger@eyesopen.com>
2071 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2072 (TARGET_ASM_CLOSE_PAREN): Likewise.
2073 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2074 (TARGET_ASM_CLOSE_PAREN): Likewise.
2076 2006-09-12 Roger Sayle <roger@eyesopen.com>
2079 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2080 frame information for frames larger than 512 Kbytes on Tru64 when
2081 using the native assembler.
2083 2006-09-12 Roger Sayle <roger@eyesopen.com>
2087 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2088 and symbols. Instead use the implementation from cse.c's hash_rtx.
2090 2006-09-12 Jan Hubicka <jh@suse.cz>
2092 PR rtl-optimization/28071
2093 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2094 (vect_transform_loop): Likewise.
2095 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2096 (new_loop_vec_info): Likewise.
2097 (destroy_loop_vec_info): Likewise.
2098 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2099 (create_stmt_ann): Likewise.
2100 (create_tree_ann): Rename to ...
2101 (create_tree_common_ann): ... this one; allocate only the common part
2103 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2104 (get_value_handle): Likewise.
2105 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2106 get_tree_common_ann.
2107 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2108 (vinfo_for_stmt): Use stmt annotations.
2109 * tree-flow.h (tree_ann_common_t): New type.
2110 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2111 (tree_ann, get_tree_ann, create_tree_ann): New.
2112 * tree-flow-inline.h (get_function_ann): Do more type checking.
2113 (stmt_ann): Likewise.
2114 (tree_ann): Rename to ...
2115 (tree_common_ann): ... this one; return ony common_ann
2116 (get_tree_ann): Rename to ...
2117 (tree_common_ann): This one; return only common_ann.
2118 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2121 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2123 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2124 with_cpu by default.
2126 * dwarf2out.c (dwarf_file_data): New.
2127 (enum dw_val_class): Add dw_val_class_file.
2128 (struct dw_val_struct): Add val_file.
2129 (file_table): Change to a hash table.
2130 (file_table_emitted): Delete.
2131 (file_table_last_lookup_index): Delete.
2132 (emitcount): Delete.
2133 (last_emitted_file): New.
2134 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2135 (init_file_table): Delete.
2136 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2137 (AT_addr): Add comment.
2141 (print_die): Handle dw_val_class_file.
2142 (print_dwarf_line_table): Update for new file table structure.
2143 (attr_checksum): Do checksum a filename.
2144 (same_dw_val_p, same_attr_p): Do compare a filename.
2145 (size_of_die): Handle dw_val_class_file.
2146 (value_format): Likewise.
2147 (output_die): Likewise. Also, call maybe_emit_file here.
2148 (struct file_info): Constify filenames. Make file_idx a pointer
2149 to a struct dwarf_file_data.
2150 (struct dir_info): Constify directory names. Remove 'used' field.
2151 (struct file_name_acquire_data): New.
2152 (file_name_acquire): New.
2153 (output_file_names): Modify to handle new file data structures.
2154 (add_src_coords_attributes): Use add_AT_file.
2155 (add_call_src_coords_attributes): Likewise.
2156 (dwarf2out_imported_module_or_decl): Likewise.
2157 (gen_subprogram_die): Modify for new file data structures.
2158 (gen_variable_die): Likewise.
2159 (file_table_eq): New.
2160 (file_table_hash): New.
2161 (file_table_last_lookup): New.
2162 (lookup_filename): Rewrite to handle new file data structures.
2163 (maybe_emit_file): Rewrite to handle new file data structures.
2164 (dwarf2out_source_line): Always call lookup_filename and
2166 (dwarf2out_init): Create file_table here.
2167 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2168 (file_table_relative_p): New.
2169 (dwarf2out_finish): Change detection of relative filenames
2170 to work with new file data structures. Move output_line_info call
2171 after debug_info output.
2173 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2178 * config/i386/i386.c (override_options): Always default to 16
2179 byte stack boundary.
2181 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2184 * var-tracking.c (dump_dataflow_set): Start dumping at
2186 (clobber_variable_part): Kill only the variable part in
2187 registers holding it, leaving other variables alone.
2189 2006-09-11 Josh Triplett <josh@freedesktop.org>
2191 * doc/extend.texi (Other Builtins): Actually use the macro
2192 argument in the documentation example for
2193 __builtin_types_compatible_p.
2195 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2197 PR rtl-optimization/28726
2198 * sched-deps.c (sched_analyze_reg): New function extracted from...
2199 (sched_analyze_1): ...here. Call it to analyze references to
2200 registers. Treat again writes to a stack register as writing to the
2202 (sched_analyze_2): ...and here. Call it to analyze references to
2203 registers. Treat again reads of a stack register as reading the
2206 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2207 David Edelsohn <edelsohn@gnu.org>
2210 * config/rs6000/spe.md (frob_df_di): Remove %H.
2211 (frob_di_df): Remove %H. Change evmergelo to mr.
2212 (frob_di_df_2): Remove %H. Change evldd to two loads.
2214 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2216 * doc/cpp.texi: Fix names of charset options.
2218 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2221 * config/i386/i386.c (override_options): Use 128-bit
2222 stack boundary always for 64bits.
2224 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2226 PR rtl-optimization/28636
2227 * combine.c (force_to_mode): Test for side-effects before
2228 substituting by zero.
2229 (simplify_shift_const): Likewise for zero or other constants.
2231 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2234 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2237 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2240 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2241 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2242 returned by mode_for_size, rather than the mode of src itself,
2243 to choose between 32-bit and 64-bit patterns.
2244 (mips_mem_fits_mode_p): New function.
2245 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2246 that the size of the source matches the size of the destination.
2247 (mov_<store>l, mov_<store>r): Likewise.
2249 2006-09-10 Eric Christopher <echristo@apple.com>
2251 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2254 2006-09-09 Eric Christopher <echristo@apple.com>
2257 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2260 2006-09-09 Roger Sayle <roger@eyesopen.com>
2261 Nicolas Setton <setton@adacore.com>
2263 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2265 2006-09-10 Andreas Schwab <schwab@suse.de>
2267 * config/m68k/m68k.md (bungt_rev): New pattern.
2269 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2270 Dale Johannesen <dalej@apple.com>
2273 * regclass.c (struct reg_pref): Update documentation.
2274 (regclass): Set prefclass to NO_REGS if memory is the best option.
2275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2277 2006-09-08 Eric Christopher <echristo@apple.com>
2279 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2280 * config/t-slibgcc-darwin: Support x86_64 multilib.
2281 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2282 Return 1 for x86_64-darwin.
2283 * config/i386/t-darwin: Add m64 multilib.
2284 (LIB2_SIDITI_CONV_FUNCS): Use.
2285 (LIB2FUNCS_EXTRA): Ditto.
2286 * config/i386/darwin.h: Support x86_64.
2287 * config/i386/i386.c (override_options): Turn on flag_pic
2288 for x86_64-darwin. Disable flag_omit_pointer.
2289 (get_pc_thunk_name): Assert !TARGET_64BIT.
2290 (legitimate_address_p): Disable machopic addressing for
2292 (legitimize_pic_address): Ditto.
2293 (ix86_expand_move): Ditto.
2294 (ix86_expand_call): Ditto.
2295 (machopic_output_stub): Ditto.
2296 * config/darwin.c (machopic_select_section): Support literal16.
2297 (machopic_select_rtx_section): Ditto.
2298 * config/darwin-sections.def: Ditto.
2299 * config/darwin-64.c: New.
2301 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2304 * c-tree.h (struct c_arg_info): Add pending_sizes.
2305 * c-parser.c (c_parser_parms_declarator,
2306 c_parser_parms_list_declarator): Initialize pending_sizes.
2307 * c-decl.c (get_parm_info): Initialize pending_sizes.
2308 (get_parm_info): Set pending_sizes.
2309 (grokdeclarator): Call put_pending_sizes for parameters for
2310 function definition only.
2312 2006-09-07 Jason Merrill <jason@redhat.com>
2315 * varasm.c (output_constant): Only strip actual no-op conversions.
2318 * config/i386/i386.c (override_options): Use 128-bit
2319 stack boundary if -msse.
2321 2006-09-07 Eric Christopher <echristo@apple.com>
2323 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2325 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2328 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2330 * dwarf2out.c: Remove strange characters from comment above
2331 dwarf2out_frame_debug_expr.
2333 2006-09-07 Eric Christopher <echristo@apple.com>
2335 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2336 * config/darwin.h: ... to here.
2338 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2340 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2342 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2343 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2345 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2346 TARGET_PARTIAL_FLAG_REG_STALL.
2347 (*ashldi3_cconly_rex64): Likewise.
2348 (*ashlsi3_cmp): Likewise.
2349 (*ashlsi3_cconly): Likewise.
2350 (*ashlsi3_cmp_zext): Likewise.
2351 (*ashlhi3_cmp): Likewise.
2352 (*ashlhi3_cconly): Likewise.
2353 (*ashlqi3_cmp): Likewise.
2354 (*ashlqi3_cconly): Likewise.
2355 (*ashrdi3_cmp_rex64): Likewise.
2356 (*ashrdi3_cconly_rex64): Likewise.
2357 (*ashrsi3_cmp): Likewise.
2358 (*ashrsi3_cconly): Likewise.
2359 (*ashrsi3_cmp_zext): Likewise.
2360 (*ashrhi3_cmp): Likewise.
2361 (*ashrhi3_cconly): Likewise.
2362 (*ashrqi3_cmp): Likewise.
2363 (*ashrqi3_cconly): Likewise.
2364 (*lshrdi3_cmp_rex64): Likewise.
2365 (*lshrdi3_cconly_rex64): Likewise.
2366 (*lshrsi3_cmp): Likewise.
2367 (*lshrsi3_cconly): Likewise.
2368 (*lshrsi3_cmp_zext): Likewise.
2369 (*lshrhi3_cmp): Likewise.
2370 (*lshrhi3_cconly): Likewise.
2371 (*lshrqi2_cmp): Likewise.
2372 (*lshrqi2_cconly): Likewise.
2374 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2377 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2378 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2379 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2380 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2381 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2382 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2383 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2384 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2385 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2386 implement only CC setting effects of shift instructions.
2388 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2390 * doc/contrib.texi: Add myself.
2392 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2395 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2396 was set by the user.
2398 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2401 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2402 (divsi_inv_m1): Use them.
2403 (UNSPEC_DIV_INV_TABLE): New constant.
2405 2006-09-06 James E Wilson <wilson@specifix.com>
2408 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2409 then call count_or_remove_death_notes.
2411 2006-09-06 Jason Merrill <jason@redhat.com>
2414 * tree-inline.c (copy_result_decl_to_var): New fn.
2415 (declare_return_variable): Use it. Call declare_inline_vars here.
2416 (expand_call_inline): Not here.
2418 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2420 * doc/contrib.texi: Update my entry.
2422 2006-09-06 Nick Clifton <nickc@redhat.com>
2424 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2426 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2429 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2430 (canonicalize_induction_variables): Likewise.
2431 (tree_unroll_loops_completely): Likewise.
2432 (tree_ssa_prefetch_arrays): Likewise.
2433 (remove_empty_loops): Likewise.
2434 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2435 TODO_cleanup_cfg instead of directly calling
2436 cleanup_tree_cfg_loop.
2437 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2439 (tree_unroll_loops_completely): Likewise.
2440 (remove_empty_loops): Likewise.
2441 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2442 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2443 of tree_ssa_unswitch_loops.
2444 (tree_ssa_loop_ivcanon): Use the return value of
2445 canonicalize_induction_variables.
2446 (tree_ssa_empty_loop): Use the return value of
2448 (tree_complete_unroll): Use the return value of
2449 tree_unroll_loops_completely.
2450 (tree_ssa_loop_prefetch): Use the return value of
2451 tree_ssa_prefetch_arrays.
2452 * passes.c (execute_todo): Before Cleanup CFG, set
2453 updating_used_alone and after cleanup CFG, call
2454 recalculate_used_alone.
2456 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2459 * tree-vect-transform.c (vectorizable_condition): Move the check
2460 for the type after the check for simple condition.
2462 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2463 Kaz Kojima <kkojima@gcc.gnu.org>
2466 * mode-switching.c (optimize_mode_switching): Make the destination
2467 block of an abnormal edge have no anticipatable mode. Don't
2468 insert mode switching code at the end of the source block of
2471 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2473 PR rtl-optimization/26847
2474 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2475 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2476 (simplify_plus_minus): Count n_constants while filling ops. Replace
2477 qsort with insertion sort. Before going through the array to simplify
2478 pairs, sort it. Delay early exit until after the first sort, exiting
2479 only if no swaps occurred. Simplify pairs in reversed order, without
2480 special-casing the first iteration. Pack ops after simplifying pairs.
2482 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2484 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2485 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2486 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2487 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2489 2006-09-05 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/28900
2492 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2493 compound conditional before creating COND_EXPR condition.
2495 2006-09-05 Richard Guenther <rguenther@suse.de>
2497 PR tree-optimization/28905
2498 * tree-vrp.c (fix_equivalence_set): Manually implement
2499 !value_ranges_intersect_p to also handle symbolic ranges.
2501 2006-09-05 Richard Guenther <rguenther@suse.de>
2504 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2507 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2509 PR rtl-optimization/27616
2510 * cse.c (table_size): New static variable.
2511 (new_basic_block): Initialize it to 0.
2512 (remove_from_table): Decrement it.
2513 (insert): Increment it.
2514 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2515 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2516 fold_rtx_mem_1 if under the cap.
2517 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2518 the lookup of the equivalent expression and test for equality of the
2519 first operand of the equivalent expression before in turn looking up
2520 an equivalent constant for the second operand.
2522 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2525 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2526 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2527 pointer, instead of assuming it is possible to derive the
2528 correct args size from a call insn.
2530 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2533 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2534 (fold_builtin_mempcpy): Rename to...
2535 (fold_builtin_memory_op): ... this. Optimize one element copy
2537 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2539 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2540 (expand_builtin_memcpy, expand_builtin_mempcpy,
2541 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2542 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2543 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2544 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2546 2006-09-01 DJ Delorie <dj@redhat.com>
2548 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2549 (stzx_16): Likewise.
2550 ("stzx_24_<mode>"): Likewise.
2551 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2552 ("cmp<mode>_op"): New.
2553 (cmp<mode>): Change to expander; just save operands.
2555 (b<code>): Change to expander, emit compare here.
2556 (s<code>_op): Change to use split and expander.
2557 (s<code>_24_op): Likewise.
2558 (s<code>_<mode>): New.
2559 (s<code>_<mode>_24): New.
2560 (movqicc_<code>_<mode): New.
2561 (movhicc_<code>_<mode>): New.
2564 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2565 (m32c_pend_compare): New.
2566 (m32c_unpend_compare): New.
2567 (m32c_expand_scc): New.
2568 (m32c_expand_movcc): Emit the compare also.
2569 * config/m32c/predicates.md (mra_nopp_operand): New.
2571 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2572 Richard Guenther <rguenther@suse.de>
2573 Adam Nemet <anemet@caviumnetworks.com>
2576 * builtins.c (get_pointer_alignment): Handle more forms
2577 of base addresses that can be used to derive more precise
2578 information about alignment.
2580 2006-09-01 Jason Merrill <jason@redhat.com>
2583 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2586 * gimplify.c (voidify_wrapper_expr): Handle null type.
2588 2006-09-01 Josh Conner <jconner@apple.com>
2591 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2592 (execute_return_slot_opt): Use it.
2594 2006-08-31 Josh Conner <jconner@apple.com>
2597 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2598 returning aggregates.
2600 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR tree-optimization/28839
2603 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2604 blocks in that phi arguments appear.
2606 2006-08-31 Roger Sayle <roger@eyesopen.com>
2609 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2610 NULL, otherwise use an advance_loc4 to adjust relative to the
2612 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2613 (dwarf2out_switch_text_section): Reset the current label to avoid
2614 using advance_loc4 over section boundaries.
2616 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2619 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2620 r12 + SYMBOLIC_CONST.
2622 2006-08-30 Richard Guenther <rguenther@suse.de>
2624 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2626 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2628 PR rtl-optimization/27735
2629 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2630 Add new argument to keep track of whether an irreducible region
2631 was affected. All callers changed.
2632 (fix_irreducible_loops): Removed.
2633 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2634 flags were invalidated.
2636 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2638 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2639 instead of SF operands.
2640 (*fop_df_comm_sse): Likewise.
2641 (*fop_df_comm_i387): Likewise.
2642 (*fop_df_1_mixed): Likewise.
2643 (*fop_df_1_sse): Likewise.
2645 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2646 J"orn Rennecke <joern.rennecke@st.com>
2648 PR tree-optimization/17506
2649 * tree-ssa.c (warn_uninit): If warning about a location outside of
2650 the current function, note where the variable was declared.
2652 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2654 PR tree-optimization/28411
2655 * double-int.c (double_int_div): Use double_int_divmod.
2656 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2657 double_int_mod, double_int_smod, double_int_umod): New functions.
2658 * double-int.h (double_int_divmod, double_int_sdivmod,
2659 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2661 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2663 (get_computation_aff, get_computation_cost_at): Handle double_int
2664 return type of constant_multiple_of.
2666 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2669 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2670 an implicit conversion.
2672 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2674 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2676 2006-08-27 Roger Sayle <roger@eyesopen.com>
2678 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2681 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2683 * config/i386/crtfastmath.c: Fix a comment typo.
2685 2006-08-26 Roger Sayle <roger@eyesopen.com>
2687 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2688 temporary visit flags on CASE_LABEL_EXPRs.
2689 * c-common.c (match_case_to_enum): Add function comment. Avoid
2690 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2691 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2692 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2693 a constant, only warn if that constant value isn't handled.
2695 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2698 * input.h (restore_input_file_stack): Declare.
2699 (INPUT_FILE_STACK_BITS): Define.
2700 * toplev.c (fs_p, input_file_stack_history,
2701 input_file_stack_restored, restore_input_file_stack): New.
2702 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2703 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2704 (pop_srcloc): Don't free old state of stack.
2706 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2709 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2710 (PowerPC Type Attributes): New.
2712 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2714 * config/xtensa/xtensa.c (function_arg_boundary): New.
2715 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2717 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2718 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2720 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2723 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2726 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2728 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2729 (verify_local_live_at_start): Likewise.
2731 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2734 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2735 omp_add_variable): Treat sizes as variable whenever not
2738 2006-08-26 Richard Guenther <rguenther@suse.de>
2741 * fold-const.c (fold_binary): Fold temporary to correct
2742 type before constructing new comparison.
2744 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2747 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2748 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2750 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2753 * c-decl.c (start_function): Don't try to process prototype
2754 information from old declaration that isn't a function.
2756 2006-08-25 Jan Hubicka <jh@suse.cz>
2759 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2761 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2764 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2767 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2769 PR tree-optimization/16876
2770 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2771 exit if PARM doesn't match VALUE.
2773 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2775 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2776 literal_prefix directive.
2777 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2778 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2779 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2781 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2784 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2785 predicate to general_operand. Add 0->y and I->r alternatives.
2787 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2789 * doc/tm.texi: Fix a typo.
2790 * predict.c: Fix comment typos.
2792 2006-08-25 Nick Clifton <nickc@redhat.com>
2794 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2795 assertions of "cpu" and "machine".
2797 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2800 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2801 the access through a base which has an alias set of 0 cannot
2804 2006-08-24 Bill Wendling <wendling@apple.com>
2806 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2808 2006-08-24 Jan Hubicka <jh@suse.cz>
2810 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2812 2006-08-24 Jan Hubicka <jh@suse.cz>
2815 * cgraph.c: Fix comments.
2816 (cgraph_varpool_mark_needed_node): Mark only variables not already
2818 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2819 (cgraph_varpool_assembled_nodes_queue): New static variable.
2820 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2821 (cgraph_varpool_output_debug_info): New function.
2822 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2823 * Makefile.in: Add gt-cgraphunit.h
2825 2006-08-24 Jan Hubicka <jh@suse.cz>
2827 * predict.c (probability_reliable_p): New predicate.
2828 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2829 (predict_loops): Do not predict loop exit with less than 2%
2831 * basic-block.h (edge_probability_reliable_p,
2832 br_prob_note_reliable_p): Declare.
2833 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2834 prediction when static predictor is not reliable.
2835 * rs6000.c (output_cbranch): Likewise.
2837 2006-08-23 Stuart Hastings <stuart@apple.com>
2840 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2841 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2843 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2846 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2847 complex values, nor for generic vector values.
2849 2006-08-22 Richard Guenther <rguenther@suse.de>
2852 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2853 parameter. Convert arguments to arithmetic expression to the
2855 (analyze_scalar_evolution_1): Adjust caller.
2857 2006-08-22 Jan Hubicka <jh@suse.cz>
2859 Patch by Paolo Bonzini
2860 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2863 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2865 PR tree-optimization/28003
2866 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2867 before grouping aliases.
2869 2006-08-22 Roger Sayle <roger@eyesopen.com>
2871 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2872 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2874 2006-08-21 Jason Merrill <jason@redhat.com>
2877 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2878 wrapper. Loop to handle nested wrappers.
2879 (gimplify_bind_expr): Remove temp parameter.
2880 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2881 and STATEMENT_LIST on the rhs.
2882 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2883 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2884 (gimplify_target_expr): Remove special BIND_EXPR handling.
2886 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2888 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2891 2006-08-21 Olivier Hainque <hainque@adacore.com>
2893 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2894 Arrange for the temporary captures of components overlapping the lhs
2895 to happen before the lhs is possibly cleared.
2897 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2899 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2900 necessary places to pass the correct "number of registers" values
2903 2006-08-20 Jan Hubicka <jh@suse.cz>
2905 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2906 (create_name_tags): Instead of quadratic checking use hashtable.
2907 * bitmap.h: Include hashtab.h.
2908 (bitmap_hash): Declare.
2909 * bitmap.c (bitmap_hash): New function.
2911 2006-08-20 Jan Hubicka <jh@suse.cz>
2913 PR rtl-optimization/28071
2914 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2916 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2917 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2918 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2919 cgraph_decide_inlining_incrementally): Update use of
2920 cgraph_check_inline_limits.
2921 * cgraph.c (edge_hash, edge_eq): New function.
2922 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2923 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2924 cgraph_remove_node): Maintain call site hash.
2925 * cgraph.h (struct cgraph_node): Add call_site_hash.
2926 (cgraph_set_call_stmt): New function.
2928 2006-08-20 Jan Hubicka <jh@suse.cz>
2930 PR rtl-optimization/28071
2931 * reload1.c (reg_has_output_reload): Turn into regset.
2932 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2933 choose_reload_regs, emit_reload_insns): Update to new
2934 reg_has_output_reload.
2936 2006-08-20 Jan Hubicka <jh@suse.cz>
2939 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2940 function body sizes.
2941 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2943 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2946 * tree.c (handle_dll_attribute): Return early if not a
2947 var or function decl.
2949 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2952 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2953 alignment of SPE vector types.
2955 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2957 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2959 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2962 * cgraph.h (struct cgraph_node): Remove externally_visible
2964 * cgraphunit.c (process_function_and_variable_attributes): Set
2965 local.externally_visible rather than externally_visible.
2968 * c-common.c (handle_externally_visible_attribute): First look
2969 at TREE_CODE and only if it is function or var decl, check for
2970 non-public objects. Don't warn for DECL_EXTERNAL.
2971 * cgraphunit.c (process_function_and_variable_attributes): Warn
2972 if externally_visible attribute is used on non-public object.
2974 2006-08-17 Jan Hubicka <jh@suse.cz>
2976 PR tree-optimization/27865
2977 * reload1.c (forget_marked_reloads): New function.
2978 (forget_old_reloads_1): When data are passed, just mark the registers
2980 (reload_as_needed): Use the new mechanizm.
2982 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2985 * reload.h (reg_equiv_alt_mem_list): New declaration.
2986 * reload1.c (reg_equiv_alt_mem_list): New definition.
2987 (reload): Initialize it and release it.
2988 (delete_output_reload): Use it.
2989 * reload.c (push_reg_equiv_alt_mem): New function.
2990 (find_reloads_toplev): Call it.
2991 (find_reloads_address, find_reloads_address_1): Likewise.
2992 (find_reloads_subreg_address): Likewise.
2994 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2996 PR rtl-optimization/28489
2997 * sched-ebb.c (begin_schedule_ready): Create basic block
2999 (advance_target_bb): Skip empty blocks.
3000 * haifa-sched.c (bb_note): Make global.
3001 * sched-int.h (bb_note): Add prototype.
3003 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3005 PR tree-optimization/27865
3006 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3008 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3009 fold_used_pointer, pointer_used_p): New functions.
3010 (analyze_scalar_evolution_1): Use fold_used_pointer.
3011 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3012 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3015 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3018 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3019 or the INTEGER_CST. Fail on a CALL_EXPR.
3020 (fold_offsetof): Pass new argument to fold_offsetof_1.
3021 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3022 operand into an INDIRECT_REF.
3023 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3025 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3027 PR gcov/profile/26570
3028 * value-prof.c (static_values): Removed.
3029 (tree_find_values_to_profile): Do not set static_values.
3030 (find_values_to_profile): Do not free static_values.
3031 * profile.c (instrument_values): Do not free the values.
3032 (branch_prob): Free the values.
3034 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3036 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3038 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3041 * c-typeck.c (build_component_ref): Combine qualifiers of
3042 structure or union and field.
3044 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3046 PR rtl-optimization/28071
3047 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3048 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3049 * tree-into-ssa.c (struct dom_dfsnum): New.
3050 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3052 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3053 compute_global_livein.
3054 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3055 in phi nodes in the correct blocks.
3057 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3059 PR tree-optimization/28364
3060 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3062 (fold_affine_expr): New function.
3063 (may_eliminate_iv): Use fold_affine_expr.
3065 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3068 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3071 2006-08-16 Mike Stump <mrs@apple.com>
3073 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3074 * doc/cppopts.texi (-MD): Likewise.
3076 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3079 * c-common.c (handle_weak_attribute): Ignore and warn if
3080 not a FUNCTION_ or VAR_DECL.
3082 2006-07-15 Mike Stump <mrs@apple.com>
3085 * c-parser.c (c_parser_typeof_specifier): Don't use
3086 c_finish_expr_stmt, open code desired semantics instead.
3088 2006-08-15 Nick Clifton <nickc@redhat.com>
3090 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3091 fragment to tmake_file only if threads are enabled.
3092 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3093 * config/i386/t-gthr-win32: New file. ... here.
3095 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3098 * c-parser.c (c_parser_compound_statement_nostart): Reset
3099 parser->error after each statement.
3101 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3104 * omp-low.c (lower_omp_parallel): Convert t to
3105 receiver_decl's type.
3106 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3107 source before comparison.
3110 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3111 to itype in assignment to oldival2.
3113 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3117 * c-typeck.c (build_compound_expr): If the second expression
3118 is an error mark, then just return an error mark instead of
3119 creating a COMPOUND_EXPR.
3121 2006-07-14 Mike Stump <mrs@apple.com>
3123 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3125 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3127 * c-decl.c, var-tracking.c: Fix comment typos.
3129 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3131 PR rtl-optimization/28634
3132 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3133 for floating-point modes unless flag_unsafe_math_optimizations.
3135 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3136 Andrew Pinski <pinskia@physics.uc.edu>
3139 * tree.c (build_array_type): Unify array types with
3140 unspecified index_type.
3141 * c-decl.c (grokdeclarator): Make sure we do not modify a
3142 unified incomplete array type.
3143 * c-typeck.c (store_init_value): Create distinct type before
3144 filling in the index type in an initializer from a compound
3147 * c-decl.c (grokdeclarator): Remove code where we copy the
3150 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3152 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3153 into account for TODO_dump_cgraph.
3154 (TODO_update_ssa_no_phi): Likewise.
3155 (TODO_update_ssa_full_phi): Likewise.
3156 (TODO_update_ssa_only_virtuals): Likewise.
3157 (TODO_remove_unused_locals): Likewise.
3158 (TODO_set_props): Likewise.
3159 (TODO_update_stmt_usage): Likewise.
3161 2006-08-13 Dirk Mueller <dmueller@suse.de>
3163 * c-common.c (strict_aliasing_warning): Fix formatting.
3165 2006-08-13 Matthias Klose <doko@debian.org>
3167 * doc/invoke.texi: Fix spelling errors.
3169 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3171 PR rtl-optimization/23454
3172 * reorg.c (relax_delay_slots): Update comment.
3174 2006-08-11 Richard Guenther <rguenther@suse.de>
3177 * simplify-rtx.c (simplify_const_relational_operation):
3178 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3181 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3183 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3184 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3186 2006-08-10 Paul Brook <paul@codesourcery.com>
3188 * final.c (final_scan_insn): Clear current_insn_predicate before
3189 outputting inline asm.
3191 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3193 PR tree-optimization/26197
3194 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3195 get_ref_base_and_extent and overlap_subvar to add only relevant
3196 subvars as may-aliases.
3197 (add_may_alias_for_new_tag): New function, factored out of
3199 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3200 with additional argument.
3201 * tree-flow.h (new_type_alias): Takes additional argument.
3203 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3205 * gcov.c (no_data_file): New flag.
3206 (read_count_file): Set it if data file not present. Assume counts
3208 (output_lines): Don't name the data file, if there wasn't one.
3210 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3212 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3213 (rs6000_generate_compare): Tweak comments.
3214 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3216 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3218 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3219 (var_debug_decl): New function.
3220 (var_reg_set): Follow debug decl link. Add location even if
3221 reg is already known to hold some other variable.
3222 (var_mem_set): Follow debug decl link.
3223 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3224 decl link. Delete other known locations of the variable part
3226 (var_reg_delete, var_mem_delete): Delete other known locations
3227 of the variable part if requested.
3228 (same_variable_part_p): New function.
3229 (add_stores): Select MO_COPY when appropriate.
3230 (vt_initialize): Handle it.
3231 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3232 known locations for MO_SET and MO_CLOBBER.
3233 (find_variable_location_part): New function.
3234 (set_variable_part, delete_variable_part): Use it.
3235 (clobber_variable_part): New function.
3236 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3239 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3241 PR tree-optimization/26969
3242 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3243 with an empty list of PHIs.
3245 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3249 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3252 2006-08-06 Andreas Schwab <schwab@suse.de>
3254 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3255 string. Whitespace and comment fixup.
3257 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3260 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3264 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3267 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3269 2006-08-04 Jan Hubicka <jh@suse.cz>
3273 * reload.c (push_reload): Patch out the mismatching instruction;
3275 (find_reload): Bail out if the instruction was patched out.
3277 2006-08-04 Jan Hubicka <jh@suse.cz>
3279 PR tree-optimization/24888
3280 * tree-inline.c (expand_call_inline): Do not re-record variables.
3281 (declare_inline_vars): Add variable to unexpanded_var_list.
3283 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3284 Roger Sayle <roger@eyesopen.com>
3286 PR rtl-optimization/26244
3287 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3288 inner_const are negative or greater than or equal to the bitsize of
3289 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3290 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3291 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3292 CONST0_RTX (mode) when the new shift count is greater than or equal to
3293 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3296 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3298 * tree-cfg.c: Fix a comment typo.
3300 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3303 * varasm.c (output_constant): Give the front end another chance to
3304 expand constants, after stripping NOPs.
3306 2006-08-03 Jan Hubicka <jh@suse.cz>
3308 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3311 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3313 PR tree-optimization/27770
3314 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3315 declaration removed (moved to tree-flow.h).
3316 (vect_can_force_dr_alignment_p): Likewise.
3317 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3318 (moved from tree-vectorizer.h).
3319 (vect_can_force_dr_alignment_p): Likewise.
3320 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3321 from outside the vectorizer - in particular from cgraph stage.
3322 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3323 the alignment of global arrays when -fsection-anchors is enabled.
3324 * cgraphunit.c (cgraph_increase_alignment): New function.
3325 (cgraph_optimize): Call cgraph_increase_alignment.
3327 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3330 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3331 not reload a SPE symbol_ref into a lo_sum address.
3333 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3336 * dwarf2out.c (prune_unused_types_prune): Move call to
3337 prune_unused_types_update_strings to cover the parent DIE also.
3339 2006-08-02 Jan Hubicka <jh@suse.cz>
3341 PR gcov/profile/28480
3342 * tree-cfg.c (change_bb_for_stmt): New function.
3343 (tree_merge_blocks, tree_split_blocks): Use it.
3345 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3351 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3352 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3353 (cgraph_optimize): Likewise.
3355 2006-08-01 Stuart Hastings <stuart@apple.com>
3357 * rtl.h (UINTVAL) New.
3358 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3359 * testsuite/gcc.dg/20060801-1.c: New.
3361 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3364 * c-typeck.c (build_external_type): Mark used enum types.
3365 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3367 (gen_subprogram_die): Whitespace fix.
3369 2006-08-01 Jan Hubicka <jh@suse.cz>
3371 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3372 bitmap when not needed.
3373 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3376 2006-08-01 Dirk Mueller <dmueller@suse.de>
3378 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3380 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3382 * Makefile.in: Revert part of previous patch:
3383 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3386 2006-07-30 Eric Christopher <echristo@apple.com>
3389 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3390 (PowerPC Variable Attributes): New section.
3392 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3394 PR target/28126 (partial fix)
3395 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3397 2006-07-28 Jan Hubicka <jh@suse.cz>
3399 PR rtl-optimization/28071
3400 * cfgrtl.c (rtl_delete_block): Free regsets.
3401 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3403 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3405 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3406 and variables used in dependencies.
3408 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3410 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3411 %fs for -mcmodel=kernel.
3412 (stack_tls_protect_test_di): Likewise.
3414 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3416 * Makefile.in: Use mkinstalldirs.
3418 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3421 * opts-common.c (prune_options): Skip joined switches.
3423 2006-07-27 Jan Hubicka <jh@suse.cz>
3425 PR rtl-optimization/28071
3426 * cselib.c (cselib_process_insn): Don't remove useless values too
3427 often for very large hashtables.
3429 2006-07-27 Jan Hubicka <jh@suse.cz>
3431 PR rtl-optimization/28071
3432 * global.c (greg_obstack): New obstack.
3433 (allocate_bb_info): Use it.
3434 (free_bb_info): Likewise.
3435 (modify_reg_pav): Likewise.
3437 2006-07-27 Roger Sayle <roger@eyesopen.com>
3439 * builtins.c (fold_fixed_mathfn): When long and long long are the
3440 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3441 functions to their lceil*, lfloor*, lround* and lrint* forms.
3443 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3446 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3448 (rev_branch_insn): Likewise.
3450 2006-07-27 Jan Hubicka <jh@suse.cz>
3452 PR rtl-optimization/28071
3453 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3454 (reg_set_in_bb, max_reg_computed): New static variables.
3455 (regmove_optimize): Free the new array.
3456 (fixup_match_1): Update call of reg_is_remote_constant_p.
3458 2006-07-26 Jan Hubicka <jh@suse.cz>
3460 PR tree-optimization/27882
3461 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3463 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3465 (cgraph_analyze_compilation_unit): Likewise.
3466 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3467 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3468 (cgraph_early_inlinine): Make order garbage collected.
3469 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3471 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3473 * dbxout.c (output_types_sort): Add a comment.
3474 (output_used_types): Free the VEC.
3476 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3478 * function.c (reorder_fix_fragments): Delete.
3479 (reorder_blocks): Don't call it.
3480 (reorder_blocks_1): Put all subblocks under the origin block.
3482 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3484 PR rtl-optimization/27907
3485 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3488 2006-07-25 Roger Sayle <roger@eyesopen.com>
3491 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3492 bar(x) check that bar's result type can represent all the values of T.
3494 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3496 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3498 2006-07-25 Nick Clifton <nickc@redhat.com>
3500 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3501 size_lookup[] array.
3502 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3503 (ggc_pch_count_object): Likewise.
3504 (ggc_pch_alloc_object): Likewise.
3505 (ggc_pch_write_object): Likewise.
3506 (init_ggc): Do not attempt to initialize entries in the
3507 size_lookup[] array for objects whose size is greater than than
3508 the length of the array.
3510 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3512 * dbxout.c (output_used_types_helper): Push queued types
3514 (output_types_sort): New.
3515 (output_used_types): Collect used types on a VEC and sort them
3518 2006-07-24 Richard Guenther <rguenther@suse.de>
3521 * cgraph.c (cgraph_remove_node): Do not check if dumps
3523 * cgraphunit.c (cgraph_optimize): Likewise.
3525 2006-07-24 Jan Hubicka <jh@suse.cz>
3527 PR rtl-optimization/28071
3528 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3529 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3530 splitting before first stmt.
3532 2006-07-24 Jan Hubicka <jh@suse.cz>
3534 PR rtl-optimization/28071
3535 * ipa-inline.c (update_caller_keys): Remove edges that
3536 are no longer inline candidates.
3538 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3541 * dbxout.c (output_used_types_helper, output_used_types): New.
3542 (dbxout_symbol): Call output_used_types.
3544 2006-07-23 Jan Hubicka <jh@suse.cz>
3548 * cgraph.c (cgraph_varpool_nodes): Export.
3549 (decide_is_variable_needed): Ignored "used" attribute in
3550 unit-at-a-time mode.
3551 * cgraph.h (cgraph_varpool_nodes): Declare.
3552 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3553 unit-at-a-time mode.
3555 2006-07-23 Roger Sayle <roger@eyesopen.com>
3558 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3559 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3560 the __gthrw form of thr_keycreate.
3561 (__gthread_key_delete): Silence the unused argument warning.
3563 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3566 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3567 Cache the last found '\0' marker to avoid quadratic behavior.
3569 2006-07-23 Jan Hubicka <jh@suse.cz>
3571 * i386.md (subsi_3_zext): Fix output template.
3573 2006-07-21 Mike Stump <mrs@apple.com>
3575 * doc/invoke.texi (C++ Dialect Options): Note that
3576 -fvisibility-inlines-hidden doesn't affect explicitly
3577 instantiationed inline methods.
3579 2006-07-20 Roger Sayle <roger@eyesopen.com>
3581 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3582 if the target assembler is GNU binutils' gas.
3583 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3584 whether to pass GNU gas or native as command line options.
3586 2006-07-20 Jason Merrill <jason@redhat.com>
3588 * tree.c (remove_attribute): New fn.
3589 * tree.h: Declare it.
3591 2006-07-20 Paul Brook <paul@codesourcery.com>
3594 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3595 they are invalidated by this instruction.
3597 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3600 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3602 2006-07-20 Eric Christopher <echristo@apple.com>
3605 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3607 2006-07-19 Eric Christopher <echristo@apple.com>
3609 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3610 Rewrite dependencies for libgcc_s.1.dylib.
3612 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3614 * except.c (duplicate_eh_regions_1): Clear next_peer.
3616 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3618 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3619 -mlongcall does not guarantee all calls will be long.
3620 * doc/extend.texi (long_call/short_call): Document that longcall
3621 does not guarantee a long call will be used.
3622 (longcall/shortcall): Likewise.
3624 2006-07-18 Roger Sayle <roger@eyesopen.com>
3627 * expmed.c (expand_shift): Additionally check that the shift_cost
3628 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3629 before implementing a LSHIFT_EXPR as a sequence of additions.
3630 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3631 middle-end that DImode shifts need to be synthesized by expand.
3633 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3636 * tree-ssa-operands.c (access_can_touch_variable): Update
3638 Return true if ALIAS is .GLOBAL_VAR.
3640 2006-07-18 David Daney <ddaney@avtrex.com>
3642 * gcc.c (display_help): Fix typo in help text.
3644 2006-07-18 Olivier Hainque <hainque@adacore.com>
3646 * tree.h (categorize_ctor_elements): Adjust prototype and add
3647 descriptive comment, both in accordance with the interface change
3649 * varasm.c (constructor_static_from_elts_p): New function.
3650 Whether a constructor node is a valid static constant initializer
3651 if all its elements are.
3652 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3653 * output.h: Declare it.
3654 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3655 is a valid constant initializer instead of computing the number of
3656 non-constant elements. Use constructor_static_from_elts_p for this
3657 purpose. Replace the head comment with an indication that this is a
3658 helper for categorize_ctor_elements.
3659 (categorize_ctor_elements): Same interface change as for the _1
3660 helper. Former head comment from this helper moved here, adjusted to
3661 account for the interface changes.
3662 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3663 (all_zeros_p): Likewise.
3664 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3665 static versions of the constructor from the categorize_ctor_elements
3666 return value instead of the formerly computed number of non-constant
3669 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3671 * configure: Regenerate.
3672 * Makefile.in (build_libsubdir): New configure substitution
3673 (build_libobjdir): New variable.
3674 (BUILD_LIBIBERTY): Use it.
3676 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3679 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3681 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3684 * c-common.c (handle_weakref_attribute): Ignore attribute in
3685 the same conditions the alias attribute is ignored.
3687 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3689 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3690 (dbxout_begin_prologue): Increment scope_labelno.
3692 2006-07-17 Richard Henderson <rth@redhat.com>
3695 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3698 2006-07-17 Roger Sayle <roger@eyesopen.com>
3699 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3701 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3702 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3703 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3704 functions such as sbrk, write, etc.. Add function prototypes.
3705 Convert function declarations from K&R to ISO C. Cast pointers
3706 to "long" and "unsigned long" instead of "int" and "unsigned int".
3707 Convert tokens following #endif into comments.
3709 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3711 * invoke.texi: Remove mention of f77; Reformat table for
3712 inline parameter options correctly; mention that -malign-double
3713 is default on x86-64 targets.
3715 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3717 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3718 (convert_affine_scev, chrec_convert_aggressive): Use
3719 avoid_arithmetics_in_type_p. Do not check for the subtypes
3722 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3725 * optabs.c (expand_doubleword_shift): Wrap the call to
3726 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3728 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3731 * optabs.c (expand_binop): Pass next_methods rather than methods
3732 to expand_doubleword_shift.
3734 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3737 * tree.h (dump_addr): Declare.
3738 * print-tree.c (dump_addr): New function.
3739 (print_node_brief, print_node): Use it.
3740 * print-rtl.c (print_rtx): Likewise.
3741 * common.opt (-fdump-noaddr): New option.
3742 * doc/invoke.texi (-fdump-noaddr): Document.
3743 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3744 (ve_info_hash): Likewise.
3746 2006-07-13 Andrew Haley <aph@redhat.com>
3748 PR tree-optimization/19505
3749 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3750 edge leaving this block, make sure that the destination of this
3751 block has only one predecessor.
3753 2006-07-17 Richard Guenther <rguenther@suse.de>
3755 PR tree-optimization/28238
3756 * tree-inline.c (copy_bb): Check if we produced valid
3757 gimple copying and substituting a stmt. If not, gimplify
3760 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3762 * optabs.c (maybe_encapsulate_block): New function extracted from...
3763 (emit_libcall_block): ...here. Invoke it on the block of insns to
3764 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3765 (emit_no_conflict_block): Likewise.
3767 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3769 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3771 2006-07-15 Roger Sayle <roger@eyesopen.com>
3773 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3774 a new NOP_EXPR case of the switch statement.
3776 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3779 * stor-layout.c (place_field): Take the bit field with
3780 an excessive size into account in the ms-bitfiled case.
3783 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3784 the previous bit field.
3786 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3789 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3791 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3793 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3794 signal frames correctly even when the signal was installed with
3797 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3799 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3800 (dbxout_function_end): Use local label LFBB. Remove hook
3802 (dbxout_source_line): Use local label LFBB.
3803 (dbxout_block): Likewise.
3804 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3805 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3806 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3807 and DBX_OUTPUT_NFUN.
3809 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3811 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3813 2006-07-13 Jan Hubicka <jh@suse.cz>
3815 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3817 * output.h (align_variable): Declare.
3818 * varasm.c (align_variable): Export.
3819 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3820 when basic block changed.
3822 2006-07-13 Nick Clifton <nickc@redhat.com>
3824 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3825 walking the LOG_LINKS chain.
3827 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3829 * doc/invoke.texi (C++ Dialect Options): Explain difference
3830 between -fvisibility-inlines-hidden and setting hidden
3831 visibility explicitly.
3833 2006-07-12 Eric Christopher <echristo@apple.com>
3835 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3836 (stmp-lipo): Depend on libgcc.a.
3838 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3840 * tree.c: Fix a comment typo.
3842 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3844 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3846 (umulhisi3_r): Likewise.
3848 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3851 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3852 x < 19, vs wchar_t support.
3854 2006-07-12 Nick Clifton <nickc@redhat.com>
3856 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3857 instead of -isa=sh4.
3859 2006-07-12 Mike Stump <mrs@apple.com>
3861 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3863 2006-07-10 Eric Christopher <echristo@apple.com>
3865 * config/t-slibgcc-darwin: Rewrite.
3867 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3870 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3873 2006-07-08 Matthias Klose <doko@debian.org>
3875 * doc/sourcebuild.texi: Fix typo.
3877 2006-07-07 Mike Stump <mrs@apple.com>
3879 * toplev.c (process_options): Don't give -ffunction-sections may
3880 affect debugging warning for Mach-O.
3882 2006-07-07 James E Wilson <wilson@specifix.com>
3884 * config/mips/mips.md (cpu): Add sb1a.
3885 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3886 addition to sb1. Adjust comments to clarify SB-1A differences from
3888 (ir_sb1a_load): New. Modify bypasses to use it.
3889 (ir_sb1a_simple_alu): Likewise.
3890 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3891 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3892 (mips_issue_rate): Add PROCESSOR_SB1A.
3893 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3894 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3895 (TARGET_SB1): Add PROCESSOR_SB1A check.
3896 (TUNE_SB1): Likewise.
3898 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3899 * config/mips/mips.c (mips_store_data_bypass_p): New.
3900 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3901 store_data_bypass_p.
3903 2006-07-08 Paul Brook <paul@codesourcery.com>
3906 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3908 2006-07-07 Richard Guenther <rguenther@suse.de>
3911 * tree.h (build_one_cst): Declare.
3912 * tree.c (build_one_cst): New function.
3913 * tree-ssa-math-opts.c (get_constant_one): Remove.
3914 (insert_reciprocals): Use build_one_cst.
3915 * fold-const.c (fold_plusminus_mult): Likewise.
3917 2006-07-07 Roger Sayle <roger@eyesopen.com>
3919 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3920 * cfgloopanal.c (dump_graph): Likewise.
3921 * dojump.c (discard_pending_stack_adjust): Likewise.
3922 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3924 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3925 * function.c (finalize_block_changes): Likewise.
3926 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3927 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3928 * rtl.c (dump_rtx_statistics): Likewise.
3929 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3931 * varray.c (dump_varray_statistics): Likewise.
3932 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3933 decode_decimal64, encode_decimal128, decode_decimal128,
3934 decimal_real_to_decimal): Likewise.
3936 2006-07-07 Richard Guenther <rguenther@suse.de>
3938 PR tree-optimization/28187
3939 * tree-vrp.c (vrp_operand_equal_p): New function.
3940 (vrp_bitmap_equal_p): Likewise.
3941 (update_value_range): Use them to compare old and new
3944 2006-07-06 Roger Sayle <roger@eyesopen.com>
3946 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3947 a default case to switch statement to silence compiler warnings.
3949 2006-07-06 Roger Sayle <roger@eyesopen.com>
3952 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3953 the configured assembler supports the x87's ffreep mnemonic.
3954 * configure: Regenerate.
3955 * config.in: Regenerate.
3957 * config/i386/i386.c (output_387_ffreep): New function.
3958 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3959 (output_387_reg_move): Likewise.
3961 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3963 Port to hosts whose 'sort' and 'tail' implementations
3964 treat operands with leading '+' as file names, as POSIX
3965 has required since 2001. However, make sure the code still
3966 works on pre-POSIX hosts.
3967 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3968 which says you should use "tail -c +N" rather than "tail +Nc".
3969 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3971 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3973 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3976 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3979 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3980 PRE_{INC,DEC} of TFmode.
3982 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3983 Alan Modra <amodra@bigpond.net.au>
3986 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3989 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3992 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3993 Remove duplicate gtu.
3995 2006-07-05 Jason Merrill <jason@redhat.com>
3999 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4000 * c-common.c (handle_packed_attribute): So don't copy it here.
4001 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4003 2006-07-05 Mike Stump <mrs@apple.com>
4005 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4007 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4010 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4012 2006-07-05 Richard Guenther <rguenther@suse.de>
4015 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4016 TARGET_SSE2 targets if using SSE math.
4017 (*absdf2_1): Likewise.
4019 2006-07-05 Richard Guenther <rguenther@suse.de>
4021 PR tree-optimization/28162
4022 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4023 make sure to convert the operands to the correct type.
4025 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4027 PR tree-optimization/28218
4029 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4030 to calculate and free the dominator information.
4032 2006-07-04 Peter O'Gorman <peter@pogma.com>
4034 * mklibgcc.in: chmod 644 before ranlib during install.
4036 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4037 J"orn Rennecke <joern.rennecke@st.com>
4039 * configure.ac (.eh_frame data check): Use diff -b.
4041 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4044 * Makefile.in (BUILD_RTL): Add build/vec.o.
4045 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4046 (build/genextract): Delete.
4047 (build/genautomata): Likewise.
4049 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4052 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4053 128-bit IBM long doubles for ABI_V4.
4055 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4057 * tree.c (range_in_array_bounds_p): New predicate.
4058 * tree.h (range_in_array_bounds_p): Declare it.
4059 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4060 return a less conservative answer.
4061 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4062 and flag 'is_group'.
4063 (IS_ELEMENT_FOR_GROUP): New macro.
4064 (FOR_EACH_ACTUAL_CHILD): Likewise.
4065 (next_child_for_group): New helper function.
4066 (can_completely_scalarize_p): Take into account groups.
4067 (sra_hash_tree): Handle RANGE_EXPR.
4068 (sra_elt_eq): Likewise.
4069 (lookup_element): Be prepared for handling groups.
4070 (is_valid_const_index): Delete.
4071 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4072 instead of is_valid_const_index.
4073 <ARRAY_RANGE_REF>: New case.
4074 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4075 is_valid_const_index.
4076 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4077 (scan_dump): Dump info for groups too.
4078 (decide_instantiation_1): Likewise.
4079 (decide_block_copy): Assert that the element is not a group.
4080 Propagate decision to groups.
4081 (generate_one_element_ref): Handle RANGE_EXPR.
4082 (mark_no_warning): Iterate over actual childs.
4083 (generate_copy_inout): Likewise.
4084 (generate_element_copy): Likewise.
4085 (generate_element_zero): Likewise.
4086 (generate_element_init_1): Likewise.
4087 (dump_sra_elt_name): Handle RANGE_EXPR.
4089 2006-07-03 Roger Sayle <roger@eyesopen.com>
4091 PR tree-optimization/26251
4092 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4093 (thread_block): When optimizing for size refuse to thread jumps
4094 that would require duplication of blocks other than redirection
4097 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4099 * configure.ac: Fix thinko in previous check-in.
4100 * configure: Regenerate.
4102 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4105 * configure.ac (for lang...): Simplify nesting of conditionals.
4106 Test subdir_requires for non-enabled languages. Move processing
4107 of lang_opt_files and lang_tree_fiels below that test.
4108 * configure: Regenerate.
4109 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4111 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4113 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4115 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4117 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4120 2006-06-29 Jason Merrill <jason@redhat.com>
4127 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4128 * c-common.c (c_determine_visibility): Handle it here.
4129 * c-decl.c (finish_decl): Call c_determine_visibility for
4131 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4133 * varasm.c (default_assemble_visibility): Likewise.
4134 * c-common.c (handle_visibility_attribute): Complain about trying
4135 to give visibility to an already defined class, or trying to change
4136 declared visibility. Always attach the attribute.
4141 * attribs.c (decl_attributes): Ignore type-in-place attributes
4142 once the type has been defined.
4144 2006-06-29 Roger Sayle <roger@eyesopen.com>
4147 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4148 to indicate the cpplib has issued an error message for us.
4150 2006-06-29 Asher Langton <langton2@llnl.gov>
4153 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4154 insert a label at the end of an function under Mach-O.
4156 2006-06-29 Eric Christopher <echristo@apple.com>
4157 Evan Cheng <evan.cheng@apple.com>
4159 * predicates.md (vector_all_ones_operand): New.
4160 (nonimmediate_or_sse_const_operand): Ditto.
4161 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4162 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4163 (standard_sse_mode_p): Ditto.
4164 (standard_sse_constant_p): Add case for -1 vector.
4165 (ix86_expand_vector_move): Try to use.
4166 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4167 Call standard_sse_constant_opcode.
4168 (*movv4sf_internal): Ditto.
4169 (*movv2df_internal): Ditto.
4171 2006-06-29 Roger Sayle <roger@eyesopen.com>
4173 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4174 of XEXP to extract the operands of a MATCH_CODE rtx.
4176 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4178 * tree.c (tree_size): Do not waste tail padding in
4179 struct tree_string and make the size be the same as
4180 build_string will generate.
4182 2006-06-28 Jason Merrill <jason@redhat.com>
4185 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4186 may_aliases already in the tag's annotations to the bitmap.
4188 2006-06-28 Roger Sayle <roger@eyesopen.com>
4190 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4192 2006-06-28 Roger Sayle <roger@eyesopen.com>
4194 * genpreds.c (generate_switch_p): New function.
4195 (add_mode_tests): Push the new mode test down inside an AND expr
4196 if this allows the switch-suitable MATCH_CODE to be near the root.
4197 (write_match_code_switch): New function to write a MATCH_CODE as
4199 (write_predicate_stmts): New function to write a predicate RTX
4200 expression as a sequence of statements.
4201 (write_one_predicate_function): Use write_predicate_stmts.
4202 (write_tm_constrs_h): Likewise.
4204 2006-06-26 Fred Fish <fnf@specifix.com>
4206 * config/mips/t-sb1: New file.
4207 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4210 2006-06-26 DJ Delorie <dj@redhat.com>
4212 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4214 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4215 Jayant Sonar <jayants@kpitcummins.com>
4216 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4218 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4219 (subsi3, subsi3_1, subsi3_2): New.
4220 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4221 * config/m32c/mov.md (SI mov peephole): New.
4222 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4223 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4225 2006-06-26 Olivier Hainque <hainque@adacore.com>
4227 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4228 a CALL_EXPR target function declaration.
4230 2006-06-26 Richard Guenther <rguenther@suse.de>
4232 * tree.c (build_string): Do not waste tail padding in
4235 2006-06-26 Richard Guenther <rguenther@suse.de>
4237 * ggc-page.c (init_ggc): Add missing element to size_lookup
4241 2006-06-23 Richard Guenther <rguenther@suse.de>
4243 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4244 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4245 alignment requests instead. Add verification code.
4246 Add struct tree_function_decl and struct tree_binfo size to
4247 extra_order_size_table. Add missing element to size_lookup
4250 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4253 * fold-const.c (const_binop): Be prepared for self returning zero.
4254 Simplify code handling complex values.
4256 2006-06-24 Olivier Hainque <hainque@adacore.com>
4258 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4259 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4262 2006-06-24 Olivier Hainque <hainque@adacore.com>
4264 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4265 ARRAY_REF, so have the callback called for the low bound expression.
4267 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4269 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4270 * c-typeck.c (c_common_type): Disallow operations on decimal float
4271 types and other float types.
4272 * convert.c (convert_to_real): Don't ignore conversions involving
4273 decimal float types.
4275 2006-06-23 Olivier Hainque <hainque@adacore.com>
4277 * tree.c (max_int_size_in_bytes): New function, inspired from
4278 code in function.c:assign_temp.
4279 * tree.h (max_int_size_in_bytes): Declare.
4280 * function.c (assign_temp): Use it.
4281 * gimplify.c (create_tmp_var): Relax the assertions on the type
4282 properties, not mandating constant size any more.
4283 (force_constant_size): New static function.
4284 (gimple_add_tmp_var): Use it, forcing variable size to a
4285 constant upper bound if it is not constant on entry.
4287 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4290 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4291 for initialization and setting of one_only flag to ...
4292 (i386_pe_encode_section_info): ...here.
4293 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4294 Recheck that the symbol has not been defined.
4296 2006-06-23 Richard Guenther <rguenther@suse.de>
4298 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4299 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4300 alignment requests instead. Add verification code.
4301 Add struct tree_function_decl and struct tree_binfo size to
4302 extra_order_size_table. Add missing element to size_lookup
4305 2006-06-22 Roger Sayle <roger@eyesopen.com>
4306 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4309 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4310 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4312 2006-06-23 Ben Elliston <bje@au.ibm.com>
4314 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4315 negate dn -- manipulate it directly.
4317 2006-06-22 Roger Sayle <roger@eyesopen.com>
4318 Steven Bosscher <stevenb.gcc@gmail.com>
4321 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4322 generated by gen_move_insn to add REG_LABEL notes if necessary.
4324 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4326 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4327 (leaf_entry): Remove use of MIN_ESA.
4329 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4331 PR rtl-optimization/28121
4332 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4335 2006-06-21 DJ Delorie <dj@redhat.com>
4337 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4339 (mulhisi3_r): Likewise.
4341 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4344 * coverage.c (coverage_counter_alloc): Leave the index type
4346 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4349 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4351 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4352 section from the "Options for Code Generation Conventions".
4354 2006-06-21 Richard Henderson <rth@redhat.com>
4358 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4360 (global_symbolic_operand): Allow weak symbols, even if local_p.
4362 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4364 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4365 (find_interesting_uses_address): Punt if above function returns true.
4367 2006-06-21 Richard Guenther <rguenther@suse.de>
4369 * configure: Regenerated.
4371 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4373 * config/mips/mips.c (function_arg): Where one part of a
4374 complex argument is in registers and the other part in the stack,
4375 return a REG not a PARALLEL.
4377 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4379 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4380 when cross-compiling. Do not substitute libstdcxx_incdir.
4381 * configure: Regenerated.
4383 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4385 * varasm.c (mergeable_string_section): Check for embedded NULs and
4386 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4387 rather than TREE_STRING_LENGTH bytes.
4389 2006-06-21 Richard Guenther <rguenther@suse.de>
4391 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4392 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4395 2006-06-21 Richrad Guenther <rguenther@suse.de>
4397 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4398 Limit iteration over the dominators.
4400 2006-06-20 Roger Sayle <roger@eyesopen.com>
4402 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4403 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4405 2006-06-20 Richard Guenther <rguenther@suse.de>
4406 Michael Matz <matz@suse.de>
4408 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4410 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4411 * et-forest.h (et_free_pools): Prototype new function.
4412 * et-forest.c (et_free_tree_force): Free parent occurrence.
4413 (et_free_pools): New function.
4414 * dominance.c (free_dominance_info): Free et-forest alloc
4417 2006-06-20 Roger Sayle <roger@eyesopen.com>
4419 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4420 integer modes, attempt to directly construct an integer constant.
4422 * fold-const.c (native_encode_vector): Determine the size of each
4423 element from the vector type instead of the first vector element.
4425 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4426 if all of its elements/components are constant.
4427 (build_constructor_from_list): Likewise.
4429 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4431 PR tree-optimization/27331
4432 * tree-data-ref.c (free_data_ref): New function.
4433 (create_data_ref): Fail if the data reference has unknown access
4435 (free_data_refs): Use free_data_ref.
4437 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4440 * tree-inline.c (setup_one_parameter): Strip useless
4441 type conversion before adding it to the IR.
4442 (declare_return_variable): Likewise.
4444 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4447 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4449 2006-06-19 Mike Stump <mrs@apple.com>
4451 * tree.c (variably_modified_type_p): VM arguments don't make the
4454 2006-06-19 Richard Guenther <rguenther@suse.de>
4456 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4457 type conversions after folding.
4459 2006-06-19 Richard Guenther <rguenther@suse.de>
4461 * ggc-page.c (extra_order_size_tab): Add entries with
4462 size of struct function and basic_block.
4463 (size_lookup): Extend to cover sizes up to 511.
4464 (ggc_alloc_stat): Adjust user.
4465 (ggc_pch_count_object): Likewise.
4466 (ggc_pch_alloc_object): Likewise.
4467 (ggc_pch_write_object): Likewise.
4469 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4471 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4472 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4475 2006-06-19 Denis Chertykov <denisc@overta.ru>
4477 * config/avr/libgcc.S : Correct my wrong previous commit.
4479 2006-06-19 Roger Sayle <roger@eyesopen.com>
4482 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4483 have stripped a SUBREG from the shift count, so we may need to
4484 convert_to_mode back to the type's mode before calling make_tree.
4485 Use new_amount instead of amount to avoid expanding a tree twice.
4487 2006-06-19 Richard Guenther <rguenther@suse.de>
4490 * fold-const.c (operand_equal_p): Check if the argument types
4491 have the same precision before stripping NOPs.
4493 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4495 Fix PR tree-optimization/27341
4496 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4498 * tree-complex.c (pass_lower_complex): Update SMT usage.
4500 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4502 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4503 Add a new alternative to the constraint strings. Add move of
4504 operand 1 to 3 to the splitter definition.
4505 ("doloop_si_long"): Second contraint alternative removed.
4507 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4509 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4510 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4512 (AVR_HAVE_MOVW) Define.
4513 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4514 (ASM_SPEC): Add avr25.
4515 (LINK_SPEC): Add avr25.
4516 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4517 (base_arch_s): Add new member 'have_movw_lpmx'.
4518 (avr_arch_types): Init 'have_movw_lpmx'.
4519 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4520 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4521 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4522 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4523 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4525 (avr_file_start): Do not output '.arh' derective.
4526 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4527 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4528 * config/avr/avr.md (mcu_enhanced): Delete.
4529 (mcu_have_movw): Define.
4530 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4531 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4532 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4533 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4534 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4535 attiny861 and at86rf401 devices.
4537 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4539 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4542 2006-06-17 Karl Berry <karl@gnu.org>
4544 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4545 doc/gccint.texi, doc/install.texi (@dircategory): Use
4546 "Software development" instead of "Programming", following
4547 the Free Software Directory.
4549 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4551 * config/i386/i386.c (legitimate_tls_address)
4552 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4553 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4554 (*tls_dynamic_gnu2_combine_64): Likewise.
4556 2006-06-16 Richard Guenther <rguenther@suse.de>
4559 * fold-const.c (negate_expr_p): Do not introduce undefined
4560 overflow in negating INTEGER_CSTs.
4561 (fold_negate_expr): Rename from negate_expr. Revert last
4562 change for folding BIT_NOT_EXPR. Change semantics to
4563 return NULL_TREE for non-simplified negations. Do not
4564 strip type conversions and unify type handling.
4565 (negate_expr): New function, wrap around fold_negate_expr
4566 but ensure building a tree always. Strip type conversions
4567 here, fold to result type.
4568 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4570 2006-06-16 Roger Sayle <roger@eyesopen.com>
4573 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4574 that (would) return their results in stack registers.
4576 2006-06-16 Michael Matz <matz@suse.de>
4577 Richard Guenther <rguenther@suse.de>
4579 * fold-const.c (fold_truthop): Only return new tree node if
4580 we canonicalized something.
4582 2006-06-16 Richard Guenther <rguenther@suse.de>
4584 * function.h (enum function_frequency): Move declaration
4585 out of struct function.
4586 (struct function): Move bool fields and the enum to the bitfield
4587 section. Reorder elements to avoid padding. Remove unused
4588 fields left over from the RTL inliner removal.
4589 * function.c (free_after_compilation): Do not zero removed fields.
4590 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4591 (ipa-type-escape.o): Likewise.
4593 2006-06-16 Richard Guenther <rguenther@suse.de>
4595 * cgraph.h (struct cgraph_local_info): Turn bool elements
4597 (struct cgraph_node): Likewise.
4598 (struct cgraph_varpool_node): Likewise.
4600 2006-06-15 Richard Guenther <rguenther@suse.de>
4602 * fold-const.c (fold_truth_not_expr): Rename from
4603 invert_truthvalue. Give it fold_* semantics to avoid
4605 (invert_truthvalue): New function. Wrapper around
4606 fold_truth_not_expr.
4607 (optimize_minmax_comparison): Avoid creating garbage.
4608 (fold_unary): Use fold_truth_not_expr for folding
4610 (fold_ternary): Replace uses of invert_truthvalue with
4611 fold_truth_not_expr where applicable.
4612 * tree.h (fold_truth_not_expr): Prototype.
4614 2006-06-16 Richard Guenther <rguenther@suse.de>
4616 PR tree-optimization/27781
4617 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4618 * ipa-pure-const.c (target.h): Include.
4619 (analyze_function): Do not analyze functions that do not
4622 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4625 * tree-dfa.c (referenced_vars_dup_list): Remove.
4626 (find_referenced_vars): Remove assert.
4627 (referenced_var_check_and_insert): Replace dup list with assert.
4628 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4629 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4631 2006-06-15 Richard Guenther <rguenther@suse.de>
4633 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4634 extra unused identifiers if not dumping.
4635 (create_variable_info_for): Likewise.
4637 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4639 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4640 (derive_constant_upper_bound): Derive more precise upper bound in
4641 common cases. Return type changed to double_int.
4642 (record_estimate): Reflect the changed return type of
4643 derive_constant_upper_bound.
4644 * double-int.c (double_int_zext, double_int_sext): Fix.
4646 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4648 * configure.ac (CFLAGS): Get them from the toplevel or from the
4649 configure invocation.
4650 * configure: Regenerate.
4651 * Makefile.in (CFLAGS): Substitute value provided by configure.
4653 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4656 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4657 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4658 rather than calling add_stmt on it.
4659 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4661 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4664 * reload1.c (reload): Remove registers returned by update_eliminables
4665 from used_spill_regs.
4667 2006-06-13 DJ Delorie <dj@redhat.com>
4669 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4671 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4673 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4674 html__strip_dir, html__mkdir_p. Enhance install-html target.
4675 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4676 * configure: Regenerate.
4678 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4680 * fold-const.c (fold_cond_expr_with_comparison): Check for
4681 Objective-C++ as language in deciding COND_EXPR transformation.
4683 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4686 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4687 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4688 * config/sh/lib1funcs.h (SL, SL1): Define.
4689 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4690 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4691 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4692 (OBJS_Os_4_200): New variable.
4693 ($(T)libgcc-Os-4-200.a): Use it.
4694 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4695 when dividing 1 and/or by 0.
4697 2006-06-13 Roger Sayle <roger@eyesopen.com>
4699 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4700 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4701 * configure: Regenerate.
4703 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4705 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4706 for real instruction.
4708 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4711 * haifa-sched.c (check_cfg): Handle special case.
4713 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4716 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4717 Add debug_info parameter. Chain the vars to the BLOCK instead
4718 of the BIND_EXPR if debug info are requested for them.
4719 (pop_gimplify_context): Adjust for above change.
4720 (gimple_add_tmp_var): Likewise.
4721 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4723 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4724 (convert_local_reference): Likewise.
4725 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4726 (finalize_nesting_tree_1): Request that debug info be emitted
4727 for debug_var_chain.
4729 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4731 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4732 for PR target/27863.
4734 2006-06-13 Richard Guenther <rguenther@suse.de>
4737 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4739 2006-06-13 Richard Guenther <rguenther@suse.de>
4741 PR tree-optimization/27830
4742 * tree-inline.c (copy_body_r): For copying the operand
4743 of an ADDR_EXPR make sure to fold &* afterwards.
4745 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4747 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4748 lvalues in the fb_none case with side-effects.
4750 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4752 * tree-flow.h: Remove the prototype for
4753 compute_phi_arg_on_exit.
4754 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4755 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4758 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4760 * builtins.c (expand_builtin_return_addr): Only use
4761 frame_pointer_rtx when count == 0 and we are expanding
4762 __builtin_return_address.
4764 2006-06-12 Fred Fish <fnf@specifix.com>
4766 * config/mips/mips.c (mips_file_start): Create special section
4767 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4769 2006-06-11 Eric Christopher <echristo@apple.com>
4772 * stor-layout.c (place_field): Remove check for
4773 remaining_in_alignment when aligning at the end of a run.
4775 2006-06-11 Eric Christopher <echristo@apple.com>
4778 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4781 2006-06-11 Roger Sayle <roger@eyesopen.com>
4784 Revert incorrect fix for PR target/27158
4785 2006-05-08 Roger Sayle <roger@eyesopen.com>
4786 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4787 of a reg_equiv_constant if the result is a legitimate constant.
4789 2006-06-11 Roger Sayle <roger@eyesopen.com>
4792 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4793 extract a CONST_VECTOR element and interpret it as an integer.
4794 (vspltis_constant): Use const_vector_elt_as_int instead of the
4795 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4796 * config/rs6000/predicates.md (easy_vector_const): Consider
4797 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4799 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4802 * stor-layout.c (update_alignment_for_field): Don't add extra
4803 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4806 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4808 * config/mips/t-rtems: Add EL/EB multilib variants.
4810 2006-06-09 Mike Stump <mrs@apple.com>
4812 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4814 2006-06-09 David Daney <ddaney@avtrex.com>
4816 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4818 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4820 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4822 2006-06-09 Richard Guenther <rguenther@suse.de>
4824 PR tree-optimization/26998
4825 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4826 of signed types, only TYPE_MIN_VALUE is special, but for both,
4827 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4828 in this case, as is -fwrapv.
4830 2006-06-08 Mike Stump <mrs@apple.com>
4833 * config/darwin.c (darwin_asm_output_anchor): Disable
4834 -fsection-anchors on darwin for now.
4835 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4836 * rs6000/rs6000.c (optimization_options): Likewise.
4838 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4841 * config/i386/i386.c (classify_argument): Skip fields with invalid
4844 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4846 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4847 (cse_insn): Likewise for the stack_pointer_rtx.
4849 2006-06-08 Roger Sayle <roger@eyesopen.com>
4851 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4852 conditions from floating point comparisons.
4854 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4857 * expmed.c (struct alg_hash_entry): Fix type of field T
4858 to match synth_mult argument.
4859 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4861 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4864 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4867 2006-06-08 Richard Guenther <rguenther@suse.de>
4870 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4871 only, if overflow is defined and not trapping.
4872 (negate_expr): Likewise.
4874 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4876 PR tree-optimization/27872
4877 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4878 flag on the new exit edge of the unrolled loop.
4880 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4882 PR rtl-optimization/26449
4883 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4885 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4888 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4889 referenced_variables with matching DECL_UID's.
4890 (find_referenced_vars): Make sure duplicate list is empty to start.
4891 (referenced_var_p): Remove.
4892 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4893 Check if var is in the list, and add if needed. Update the duplicate
4894 list if a different var is in the list with the same DECL_UID.
4895 (add_referenced_var): Call routine to check and insert.
4896 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4897 * tree-flow.h (referenced_vars_dup_list): External declaration.
4899 2006-06-07 Fred Fish <fnf@specifix.com>
4901 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4904 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4907 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4908 the imaginary and real parts of a clobbered register.
4909 Emit insn to set the imaginary part.
4911 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4913 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4914 in lieu of unwind-dw2-fde.c.
4916 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4918 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4920 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4923 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4924 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4925 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4926 V4SImode temporaries and operations instead.
4928 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4930 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4933 2006-06-06 Mike Stump <mrs@apple.com>
4935 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4936 installing during build.
4938 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4940 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4942 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4943 * config/ia64/ia64.c (params.h): New header.
4944 (ia64_optimization_options): New function to adjust parameters.
4945 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4946 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4947 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4949 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4951 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4953 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4956 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4958 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4959 Victor Kaplansky <victork@il.ibm.com>
4961 PR tree-optimization/26360
4962 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4965 2006-06-04 Roger Sayle <roger@eyesopen.com>
4966 Andrew Pinski <pinskia@physics.uc.edu>
4969 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4970 for LABEL_DECL before calling DECL_WEAK.
4973 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4974 LABEL_DECL and PARM_DECL.
4976 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4980 * c-decl.c (grokdeclarator): Disallow variably modified types at
4981 file scope. Avoid marking shared array type of constant size as
4984 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4987 * c-common.c (fold_offsetof_1): Handle static members.
4989 2006-06-04 Eric Christopher <echristo@apple.com>
4991 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4992 (debug_rli): Output value for remaining_in_alignment.
4993 (update_alignment_for_field): Unconditionalize
4994 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4995 extra alignment code.
4996 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4997 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4998 * tree.h (record_layout_info_s): Remove prev_packed.
4999 * doc/extend.texi (ms_struct): Add documentation of format.
5001 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5003 * tree.h: Declare folding_initializer.
5004 * builtins.c (fold_builtin_constant_p): Give definite answer
5005 if folding inside an initializer.
5006 * fold-const.c: Define folding_initializer.
5007 (START_FOLD_INIT): Save and then set folding_initializer.
5008 (END_FOLD_INIT): Restore folding_initializer.
5010 2006-06-04 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/27039
5013 * fold-const.c (fold_comparison): Handle pointer comparison
5014 again for all comparison codes. Compare offsets in signed
5016 (fold_binary): Move code from here.
5018 2006-06-03 Roger Sayle <roger@eyesopen.com>
5021 * config/i386/i386.c (construct_container): Split static issued_error
5022 flag into issued_sse_arg_error, issued_sse_ret_error and
5023 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5024 requires the use of x87 registers and the user explicitly
5025 specified the -mno-80387 command line option.
5027 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5029 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5030 HAVE_DECL_SIGALTSTACK.
5032 (segv_handler): Use MC_FLD.
5033 * configure.ac: Check for a sigaltstack declaration.
5034 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5035 * configure: Regenerate.
5036 * config.in: Regenerate.
5038 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5041 * Makefile.in (stmp-fixinc): Fix typo.
5043 2006-06-02 Roger Sayle <roger@eyesopen.com>
5045 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5046 are type correct. Clean-up.
5047 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5048 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5050 2006-06-01 DJ Delorie <dj@redhat.com>
5052 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5053 shift, as we've disabled the "switch" insn that needs it.
5055 2006-06-01 Per Bothner <bothner@bothner.com>
5057 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5058 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5059 * c-ppoutput.c (cb_define): Don't increment line 0.
5061 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5063 * doc/invoke.texi: Add cpu_type power6.
5064 * config.gcc: Add cpu_type power6.
5065 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5066 to power5+ with Altivec.
5067 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5068 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5070 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5072 * config/avr/avr.h (SET_ASM_OP): Define.
5074 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5076 * config/bfin/bfin.c: Fix comment typos.
5078 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5081 * doc/install.texi: Document --enable-bootstrap and
5082 --disable-bootstrap.
5084 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5086 * doc/install.texi: Document that InfoZIP can replace jar.
5088 2006-05-31 Roger Sayle <roger@eyesopen.com>
5090 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5091 isn't available, directly generate the simpler x87 patterns without
5092 the (use (const_int 0)).
5093 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5094 implementation isn't available.
5095 (*negdf2_1): Likewise.
5096 (*negxf2_1): XF mode negation is always done using the x87.
5097 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5099 2006-05-31 Roger Sayle <roger@eyesopen.com>
5101 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5102 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5104 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5106 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5108 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5109 * config/bfin/bfin.c (basic-block.h): Include.
5110 (struct machine_function): New.
5111 (bfin_init_machine_status): New.
5112 (override_options): Initialize init_machine_status.
5113 (bfin_hardware_loop): New.
5114 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5115 (DEF_VEC_P (loop_info)): New.
5116 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5117 (struct loop_info): New.
5118 (loop_info): New typedef.
5119 (struct loop_work): New.
5120 (loop_work): New typedef.
5121 (DEF_VEC_O (loop_work)): New.
5122 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5123 (bfin_dump_loops): New.
5124 (bfin_bb_in_loop): New.
5125 (bfin_scan_loop): New.
5126 (bfin_optimize_loop): New.
5127 (bfin_reorg_loops): New.
5128 (bfin_reorg): Use bfin_reorg_loops.
5129 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5131 (I_REGNO_P): Simplify.
5132 (DP_REGNO_P, DPREG_P): New macros.
5133 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5134 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5135 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5136 Add LT_REGS, LC_REGS, LB_REGS.
5137 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5139 (REGNO_REG_CLASS): Deal with loop registers.
5140 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5142 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5143 New constants for loop registers.
5144 (UNSPEC_LSETUP_END): New.
5145 (seq_insns): New define_attr. Set it for appropriate insns.
5146 (movsi_insn): Add alternatives for move from/to
5147 loop count registers.
5148 (doloop_end): New define_expand.
5149 (loop_end): New define_insn.
5150 (define_split for bad doloop_end): New.
5151 (lsetup_with_autoinit): New define_insn.
5152 (lsetup_without_autoinit): New define_insn.
5153 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5154 * config/bfin/predicates.md (lc_register_operand): New.
5155 (lt_register_operand): New.
5156 (lb_register_operand): New.
5157 (nondp_register_operand): New.
5158 (nondp_reg_or_memory_operand): New.
5159 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5161 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5163 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5164 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5166 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5168 * Makefile.in (CATALOGS): Add po/ prefix.
5169 * configure: Regenerated.
5171 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5174 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5175 a shift operand before calling shift_op. Avoid redundant call of
5178 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5179 DJ Delorie <dj@redhat.com>
5181 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5182 we're inserting is a singlt-bit constant.
5184 2006-05-30 Roger Sayle <roger@eyesopen.com>
5186 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5187 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5189 2006-05-30 Roger Sayle <roger@eyesopen.com>
5191 PR tree-optimization/23452
5192 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5193 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5194 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5195 complex values and with -ffast-math for FP complex values.
5197 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5199 * c-common.h: Remove the prototype for yyparse.
5200 * rtl.h: Remove the prototype for init_loop.
5202 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5204 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5207 2006-05-30 Roger Sayle <roger@eyesopen.com>
5209 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5211 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5212 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5214 2006-05-30 Dirk Mueller <dmueller@suse.de>
5217 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5218 for CONSTANT_CLASS_P expresisons.
5220 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5223 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5225 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5227 PR tree-optimization/27779
5228 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5229 initial_condition instead of CHREC_LEFT.
5231 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5233 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5234 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5235 Make prototypes ISO C90.
5237 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5238 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5240 * see.c (see_analyze_one_def): Correct check.
5241 (see_get_extension_data): Check if extension is parallel.
5242 (see_get_extension_reg): Likewise.
5244 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5247 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5248 into register for (code == GTU).
5250 2006-05-29 Roger Sayle <roger@eyesopen.com>
5252 PR tree-optimization/24964
5253 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5254 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5255 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5256 abs(x)*abs(x) as x*x for scalar floating point modes.
5258 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5261 * lambda-code.c (perfect_nestify): Don't copy statements
5262 in the inner loop: move them to the inner loop header.
5264 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5267 * c-tree.texi: Document OpenMP directives and clauses.
5269 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5271 * varasm.c (globalize_decl): Fix indentation.
5273 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5276 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5277 pass_fre, pass_store_ccp, pass_copy_prop,
5278 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5279 pass_return_slot, pass_object_size, pass_lim,
5280 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5281 pass_loop_prefetch and pass_stdarg.
5283 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5285 * config/bfin/bfin.opt (mfdpic): New option.
5286 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5287 (EXTRA_MULTILIB_PARTS): Likewise.
5288 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5289 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5291 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5292 (CRT_CALL_STATIC_FUNCTION): New.
5293 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5295 (CRT_CALL_STATIC_FUNCTION): New.
5296 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5298 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5299 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5300 (initialize_trampoline): Changed to handle FD-PIC code generation.
5301 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5302 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5303 (override_options): Disallow -mid-shared-library -mfdpic combination.
5304 Can't do unaligned ops if FD-PIC.
5305 Turn off flag_pic if trying to generate non-id-shared-library
5306 non-fdpic code, since it's not supported.
5307 (bfin_assemble_integer): New function.
5308 (TARGET_ASM_INTEGER): Define.
5309 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5311 * config/bfin/crtn.s: Restore them.
5312 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5314 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5315 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5316 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5317 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5318 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5320 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5321 FDPIC_REGS and FDPIC_FPTR_REGS.
5322 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5323 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5324 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5325 (load_funcdescsi): New pattern.
5326 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5327 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5328 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5330 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5332 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5335 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5337 * tree-flow.h: Remove the prototype for add_type_alias.
5338 * tree-ssa-alias.c (add_type_alias): Remove.
5340 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5342 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5343 config/fr30/fr30.md, config/i386/i386-interix.h,
5344 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5345 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5346 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5347 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5348 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5349 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5350 Follow spelling conventions.
5351 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5352 Follow spelling conventions.
5354 2006-05-27 Richard Guenther <rguenther@suse.de>
5357 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5358 to produce a constant of value 1 of generic type.
5360 2006-05-27 Dirk Mueller <dmueller@suse.de>
5362 * cgraphunit.c (decide_is_function_needed): Fix wrong
5365 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5367 PR rtl-optimization/27661
5368 * reload.c (find_reloads): When reloading a VOIDmode constant
5369 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5370 use Pmode as mode of the reload register.
5372 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5374 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5375 is enabled at -O and above.
5377 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5380 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5383 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5386 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5387 for anonymous variables explicitly declared by front ends.
5389 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5391 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5392 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5393 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5394 ref-all pointers, run a finalization pass for them.
5395 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5396 (finalize_ref_all_pointers): New function.
5397 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5398 regular pointer type to a ref-all pointer type.
5399 (get_tmt_for): Return the special memory tag for ref-all pointers.
5401 2006-05-25 Richard Guenther <rguenther@suse.de>
5404 * fold-const.c (fold_binary): Do not look at the stripped
5405 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5407 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5409 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5410 for LT and GT if the computed range is effectively empty.
5412 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5415 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5416 mips_quad_format formats instead of ieee_single_format,
5417 ieee_double_format and ieee_quad_format formats, respectively.
5419 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5421 PR tree-optimization/27639
5422 PR tree-optimization/26719
5423 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5424 call to scev_probably_wraps_p.
5425 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5426 used_in_pointer_arithmetic_p, convert_step): Removed.
5427 (nowrap_type_p): New function.
5428 (scev_probably_wraps_p): Rewritten.
5429 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5430 chrec_convert if chrec_convert_aggressive might have been used.
5431 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5432 scev_direction): New functions.
5433 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5434 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5435 instead of convert_step.
5436 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5437 (convert_step): Declaration removed.
5438 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5440 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5442 * df-core.c: Added to header comments.
5443 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5444 df_ur_bb_info, df_urec_bb_info): Added comments.
5445 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5446 urec, ri problems): Fixed header comments.
5447 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5448 code from df_rd_transfer_function.
5450 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5452 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5453 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5454 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5456 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5458 * expr.c (undefined_operand_subword_p): New.
5459 (emit_move_multi_word): Do not generate move from undefined bits
5460 of a paradoxical subreg.
5462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5464 PR rtl-optimization/27736
5465 * combine.c (replaced_rhs_value): New variable.
5466 (combine_instructions): Set it.
5467 (distribute_notes): When distributing a note in replaced_rhs_insn,
5468 check whether the value was used in replaced_rhs_value.
5470 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5473 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5474 add_referenced_var instead of add_referenced_tmp_var.
5475 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5476 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5478 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5479 tree_optimize_tail_calls_1): Use add_referenced_var.
5480 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5481 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5482 Use add_referenced_var.
5483 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5484 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5485 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5486 Use add_referenced_var.
5487 * tree-dfa.c (struct walk_state): Remove.
5488 (find_referenced_vars): Remove walk state and vars_found hash table.
5489 (make_rename_temp): Use add_referenced_var.
5490 (find_vars_r): Pass less parameters to add_referenced_var.
5491 (referenced_var_p): New. Is var in referenced_var hash table.
5492 (referenced_var_insert): Assert var isn't already in hash table.
5493 (add_referenced_var): Don't need walk_state parameter. Add var if it
5494 isn't already in the hash table.
5495 (add_referenced_tmp_var): Remove.
5496 (find_new_referenced_vars_1): Use add_referenced_var.
5497 * tree-ssa-pre.c (create_expression_by_pieces,
5498 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5499 Use add_referenced_var.
5500 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5501 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5502 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5504 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5505 vect_create_data_ref_ptr, vect_create_destination_var,
5506 vect_init_vector, vect_build_loop_niters,
5507 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5508 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5509 Use add_referenced_var.
5510 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5511 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5512 (add_referenced_var): Add prototype.
5513 * tree-ssa-structalias.c (get_constraint_for,
5514 intra_create_variable_infos): Use add_referenced_var.
5516 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5518 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5519 big-endian paradoxical subregs.
5520 * var-tracking.c (struct micro_operation_def): Document that,
5521 for modify micro operations, insn is the subsequent instruction.
5522 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5523 (var_reg_set, var_mem_set): ... new functions.
5524 (add_stores): Record subsequent insn.
5525 (compute_bb_dataflow): Use new functions for MO_USE.
5526 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5527 notes after the insn, and modify notes before the insn known
5528 to be the subsequent one.
5529 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5531 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5534 * config/i386/i386.c (ix86_expand_builtin): Use
5535 gen_sse3_monitor64 for TARGET_64BIT.
5537 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5539 PR rtl-optimization/26375
5540 PR rtl-optimization/26855
5541 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5543 (df_ru_bb_local_compute): Reversed statements and removed bogus
5544 comment explaining why they should be in wrong order.
5545 (df_ru_dump, df_rd_dump): Enhanced debug info.
5546 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5548 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5549 reaching uses and fixed space problem.
5551 2006-05-23 Jan Hubicka <jh@suse.cz>
5553 * cgraphunit.c (decide_is_function_needed): Also nested functions
5554 and functions declared inline can be optimized out at -O0.
5556 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5558 * doc/install.texi (Configuration): Remove reference to CrossGCC
5562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5565 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5566 ix86_compare_emitted is non-NULL.
5568 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5571 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5574 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5576 PR rtl-optimization/25514
5577 * combine.c (replaced_rhs_insn): New variable.
5578 (combine_instructions): Set replaced_rhs_insn when trying to replace
5579 a SET_SRC with a REG_EQUAL note.
5580 (distribute_notes): Use replaced_rhs_insn when determining the live
5581 range of a REG_DEAD register.
5583 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5584 Anatoly Sokolov <aesok@post.ru>
5586 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5587 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5588 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5589 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5590 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5591 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5592 at90usb647, at90usb1286 and at90usb1287 devices.
5593 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5594 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5596 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5598 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5600 2006-05-22 Richard Guenther <rguenther@suse.de>
5603 2006-01-31 Richard Guenther <rguenther@suse.de>
5604 Paolo Bonzini <bonzini@gnu.org>
5606 * doc/install.texi (--disable-libgcc-math): Document.
5608 2006-05-22 Richard Guenther <rguenther@suse.de>
5611 2006-01-31 Richard Guenther <rguenther@suse.de>
5613 * doc/invoke.texi (-msselibm): Document.
5614 * target.h (expand_library_builtin): New target hook.
5615 * builtins.c (expand_builtin): Use expand_library_builtin.
5616 (default_expand_library_builtin): New function.
5617 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5618 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5619 (link_gcc_math_spec): Declare.
5620 (static_specs): Add link_gcc_math_spec.
5621 * expr.h (default_expand_library_builtin): Declare.
5622 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5623 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5624 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5625 * config/i386/i386.opt (msselibm): New target option.
5626 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5627 (ix86_init_sse_abi_builtins): New function.
5628 (ix86_expand_library_builtin): Likewise.
5629 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5630 (override_options): Handle error conditions wrt -msselibm.
5631 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5632 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5633 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5636 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5639 * c-common.c (self_promoting_args_p): Skip erroneous args.
5642 * c-decl.c (finish_struct): Skip erroneous fields.
5644 2006-05-22 Nick Clifton <nickc@redhat.com>
5646 * config/cris/cris.opt (march): Remove VarExists attribute.
5647 (max-stackframe=): Likewise.
5649 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5651 * doc/rtl.texi: Fix a typo.
5652 * see.c: Fix comment typos.
5654 * tree-ssa-structalias.h (alias_info): Remove num_references.
5656 2006-05-21 Mike Stump <mrs@apple.com>
5658 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5660 (darwin_pragma_options): Use BAD instead.
5661 (darwin_pragma_unused): Likewise.
5662 (darwin_pragma_ms_struct): Likewise.
5664 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5666 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5668 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5670 PR rtl-optimization/27671
5671 * simplify-rtx.c (simplify_relational_operation_1): Fix
5672 simplifications of (eq/ne (xor x y) y) and
5673 (eq/ne (xor x y) x).
5675 PR tree-optimization/26622.
5676 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5679 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5681 * tree-cfg.c: Prune whitespace.
5682 (debug_tree_cfg): Point to correct header containing the
5685 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5688 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5690 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5693 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5694 or sorry count is non zero.
5696 2006-05-20 Andreas Schwab <schwab@suse.de>
5698 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5700 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5701 Kenneth Zadeck <zadeck@naturalbridge.com>
5703 PR rtl-optimization/26855
5705 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5707 (df_scan_alloc): Added code to properly handle multiword hard
5708 registers and add all_blocks parameter.
5709 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5710 code to properly handle multiword hard registers.
5711 (df_rescan_blocks): Added code to remove deleted blocks from
5713 (df_ref_create_structure, df_ref_record): Added code to properly
5715 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5716 and set DF_REF_PARTIAL.
5717 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5718 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5719 (df_scan_add_problem): Added flags parameter.
5720 (df_ref_create_structure): Changed switching structure.
5721 (df_bb_refs_record): Fixed case where duplicate artificial refs
5722 were created. Changed location of flags.
5723 (df_record_entry_block_defs): Added code to make stack pointer
5724 live in entry block. Refined cases where frame pointer is needed.
5725 Changed location of flags.
5726 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5727 (df_set_state): Removed function.
5728 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5729 df_insn_create_insn_record, df_insn_refs_delete,
5730 df_ref_create_structure): Formatting changes.
5731 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5732 df_delete_basic_block): New function.
5733 (df_init): Changed location of flags.
5734 (df_add_problem): Added flags parameter and the way flags are
5736 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5737 debug_df_chain): Improved debugging output.
5738 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5739 (df_refs_chain_dump): Removed df parameter.
5740 (df_iterative_dataflow): Added consistency check.
5741 (df_prune_to_subcfg): Made public.
5742 (df_analyze_problem): Added blocks_to_init parameter and made
5744 (df_ref_record, df_bb_refs_record, df_mark_reg,
5745 df_record_exit_block_uses): Whitespace changes.
5746 (df_dump): Whitespace changes.
5747 * df.h: Some reordering to remove forward references.
5748 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5749 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5750 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5751 (dataflow.flags): New field.
5752 (df.flag): Deleted field.
5753 (df_alloc_function): Added additional bitmap parameter.
5754 (df_dependent_problem_function): New type.
5755 (df_problem.changeable_flags): New field.
5756 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5757 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5758 (df_mw_hardreg): New struct.
5759 (DF_INSN_UID_MWS): New macro.
5760 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5762 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5763 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5764 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5765 (df_set_state): Removed function.
5766 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5767 * df-problems.c (df_chain_dump): Removed df parameter.
5768 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5769 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5771 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5772 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5773 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5774 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5775 DF_REF_MUST_CLOBBER cases.
5776 (df_ru_bb_local_compute_process_def,
5777 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5778 df_lr_bb_local_compute, df_ur_bb_local_compute,
5779 df_chain_create_bb): Made subreg aware.
5780 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5781 df_lr_bb_local_compute, df_lr_bb_local_compute,
5782 df_chain_create_bb): Cleanup to use proper macros.
5783 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5784 code to fixup bitvectors.
5785 (df_ri_alloc): Cleared lifetime.
5786 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5787 df_create_unused_note): New function.
5788 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5789 REG_DEAD and REG_UNUSED notes as well as register information.
5790 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5791 df_chains_dump): Fixed crash if problem was never run.
5792 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5793 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5794 df_ri_add_problem): Processes flags in uniform manner.
5795 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5796 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5797 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5798 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5799 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5800 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5801 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5802 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5803 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5804 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5805 * see.c (see_initialize_data): Ditto.
5806 * final.c (rest_of_clean_state) Added regstack_completed.
5807 * rtl.h (regstack_completed): Ditto.
5808 * reg-stack.c (regstack_completed): Ditto.
5810 2006-05-19 Mike Stump <mrs@apple.com>
5812 * c-tree.h (default_conversion): Remove.
5813 * c-common.h (default_conversion): Add.
5815 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5817 * tree-vrp.c (valid_value_p): New function.
5818 (adjust_range_with_scev): Fail if the value of bound is not
5821 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5823 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5824 (mips_fallback_frame_state): Use syscall numbers to determine
5825 the appropriate li instruction for the current ABI. Only use
5826 __NR_sigreturn for o32.
5828 2006-05-19 Nicolas Setton <setton@adacore.com>
5830 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5831 * langhooks.c (lhd_dwarf_name): New function.
5832 * langhooks-def.h (lhd_dwarf_name): Declare.
5833 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5834 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5835 * ada/misc.c (gnat_dwarf_name): New function.
5836 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5838 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5840 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5842 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5843 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5844 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5845 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5846 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5847 determine the size of Wtype, etc.
5848 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5849 (swfloatfuncs): New variable.
5850 (dwfloatfuncs): Likewise.
5851 (lib2funcs): Remove floating-point conversion functions from
5852 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5853 the set of conversion routines needed. Allow entries to specify
5854 an object name, filename and word size. Update users accordingly.
5855 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5856 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5860 2006-02-08 Roger Sayle <roger@eyesopen.com>
5863 * config/fixtfdi.c: New libgcc source file.
5864 * config/fixunstfdi.c: New source file.
5865 * config/floatditf.c: New source file.
5866 * config/floatunditf.c: New souce file.
5867 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5868 files above instead of config/mips/_tilib.c.
5869 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5871 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5873 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5874 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5876 2006-05-18 Mike Stump <mrs@apple.com>
5878 Fix up vla, vm and [*] sematics.
5884 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5885 (c_vla_unspec_p): Add.
5886 (c_vla_type_p): Add.
5887 * c-decl.c (struct c_scope): Add had_vla_unspec.
5888 (build_array_declarator): Add support for [*].
5889 (grokdeclarator): Likewise.
5890 (grokparms): Likewise.
5891 (get_parm_info): Likewise.
5892 * c-objc-common.c (c_vla_unspec_p): Likewise.
5893 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5894 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5895 typeof when argument is a variably modified type not inside sizeof or alignof.
5896 (c_parser_direct_declarator_inner): Propagate errors.
5897 (c_parser_sizeof_expression): Add support for [*].
5898 (c_parser_parms_declarator): Initialize had_vla_unspec.
5899 (c_parser_parms_list_declarator): Likewise.
5900 * c-typeck.c (c_vla_type_p): Add.
5901 (composite_type): Add support for vla compositing.
5902 (comptypes_internal): Add support for vla compatibility.
5903 (c_expr_sizeof_expr): Evaluate vla arguments.
5904 * tree.c (variably_modified_type_p): Update comment for [*].
5906 2006-05-18 Michael Matz <matz@suse.de>
5909 * config.host: Make assignments to host_xmake_file cumulative.
5910 * config.host (*-darwin*): Test $host, not $target.
5912 2006-05-12 Stuart Hastings <stuart@apple.com>
5914 * config/i386/i386.opt (-mstackrealign): New flag.
5915 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5916 (ix86_handle_cconv_attribute): Emit error when
5917 force_align_arg_pointer attribute collides with too many regparms.
5918 (ix86_function_regparm): Limit regparms when used with
5919 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5920 Support stack-realigning prologue in non-main functions. Emit
5921 warning for nested functions under -mstackrealign, emit error for
5922 nested functions with force_align_arg_pointer attribute.
5923 * doc/extend.texi (force_align_arg_pointer): Document it.
5924 * doc/invoke.texi (-mstackrealign): Document it.
5926 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5928 PR rtl-optimization/27477
5929 * combine.c (try_combine): Don't split a parallel consisting
5930 of two sets into two individual sets if both sets reference
5933 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5935 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5936 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5938 * doc/options.texi (VarExists): Updated.
5940 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5942 * unwind-dw2.c: Add declarations for uw_update_context and
5944 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5945 detected, advance frame state and context once to skip over stub.
5947 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5951 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5952 Call rewrite_into_loop_closed_ssa only when something changed.
5953 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5954 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5955 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5956 Test for perfect_nest_p here. Fix formating.
5957 (replace_uses_equiv_to_x_with_y): Fix formating.
5958 (stmt_uses_op): Removed.
5959 (can_convert_to_perfect_nest): Removed loopivs parameter.
5960 Complete the test by checking the scalar dependences.
5961 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5967 From Dan Kegel <dank@kegel.com>:
5968 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5970 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5972 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5973 if the element type is variably modified without recursing.
5975 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5978 * tree-loop-linear.c (try_interchange_loops): Test for
5979 no data dependences.
5981 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5983 PR tree-optimization/27548
5984 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5985 range of ssa names that appear on abnormal edges.
5986 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5987 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5992 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5994 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5997 * tree.h (OMP_PARALLEL_COMBINED): Define.
5998 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5999 (new_omp_context): Add is_combined_parallel argument.
6000 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6001 new_omp_context caller.
6002 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6003 Adjust gimplify_scan_omp_clauses callers.
6004 (omp_is_private): Issue errors if iteration variable is firstprivate
6005 or reduction in the current context.
6006 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6007 on combined parallel workshare constructs.
6009 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6011 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6012 (gcc-options.o): New rule.
6014 * optc-gen.awk: Protect variables for gcc-options.o with
6015 #ifdef GCC_DRIVER/#endif.
6017 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6019 Fix PR tree-optimization/27373
6020 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6021 (forward_propagate_addr_expr): Update call.
6023 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6025 * doc/options.texi: Move the Negative option.
6027 2006-05-16 Richard Guenther <rguenther@suse.de>
6029 PR tree-optimization/22303
6030 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6032 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6033 ccp_fold did not simplify the statement.
6035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6038 * Makefile.in (GCC_OBJS): New.
6039 (OBJS-common): Add opts-common.o.
6040 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6041 (cpp$(exeext)): Likewise.
6042 (gcc.o): Also depend on opts.h.
6043 (opts-common.o): New.
6045 * common.opt (gcoff): Add Negative(gdwarf-2).
6046 (gdwarf-2): Add Negative(gstabs).
6047 (gstabs): Add Negative(gstabs+).
6048 (gstabs+): Add Negative(gvms).
6049 (gvms): Add Negative(gxcoff).
6050 (gxcoff): Add Negative(gxcoff+).
6051 (gxcoff+): Add Negative(gcoff).
6052 * config/i386/i386.opt (m32): Add Negative(m64).
6053 (m64): Add Negative(m32).
6055 * doc/options.texi: Document the Negative option.
6057 * gcc.c: Include "opts.h".
6058 (main): Call prune_options after expandargv.
6060 * optc-gen.awk: Generate common declarations for all flag
6061 variables in options.c. Output the neg_index field.
6063 * opts.c (find_opt): Moved to ...
6064 * opts-common.c: Here. New file.
6066 * opts.h (cl_option): Add a neg_index field.
6068 (prune_options): Likewise.
6070 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6073 * omp-low.c (expand_omp_parallel): Don't assert
6074 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6075 instead search for it.
6078 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6081 2006-05-16 Andreas Schwab <schwab@suse.de>
6083 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6086 2006-05-15 Roger Sayle <roger@eyesopen.com>
6089 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6090 integer constants other than zero are only legitimate on TARGET_64BIT.
6091 <CONST_VECTOR> Only zero vectors are legitimate.
6092 (ix86_cannot_force_const_mem): Integral and vector constants can
6093 always be put in the constant pool.
6095 2006-05-16 DJ Delorie <dj@redhat.com>
6097 * crtstuff.c (__dso_handle): Set section from
6098 TARGET_LBIGCC_SDATA_SECTION if defined.
6099 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6100 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6102 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6105 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6108 2006-05-16 Ben Elliston <bje@au.ibm.com>
6110 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6112 2006-05-15 Per Bothner <per@bothner.com>
6114 * tree.c: (last_annotated_node): Use source_locus typedef.
6115 This permits bootstrapping with --enable-mapped-location.
6117 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6119 PR tree-optimization/26830
6120 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6121 (info_for_ssa_name, current_info_for_ssa_name_age,
6122 blocks_to_update): New variables.
6123 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6124 (clear_ssa_name_info, initialize_flags_in_bb,
6125 mark_block_for_update): New functions.
6126 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6127 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6128 prepare_def_site_for): Use mark_block_for_update.
6129 (mark_def_interesting): Assert that the processed block is marked in
6130 blocks_to_update. Do not take blocks argument.
6131 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6133 (rewrite_update_init_block, rewrite_update_stmt): Only process
6134 blocks with statements to rewrite.
6135 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6136 (update_ssa): Initialize and free blocks_to_update. Do not
6137 clear flags on statements. Do not use blocks bitmap.
6138 * tree.h (SSA_NAME_AUX): Removed.
6139 (struct tree_ssa_name): Removed aux field.
6140 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6142 2006-05-15 Richard Guenther <rguenther@suse.de>
6144 PR tree-optimization/27603
6145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6146 Do computations in original type.
6148 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6150 * see.c: Code style changes such as redundant paranthesis,
6151 redundant intialization of local variables etc.
6152 (see_main): Declared now as static.
6153 * doc/invoke.texi: Update that -fsee is not enabled by
6156 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6158 * omp-low.c (check_omp_nesting_restrictions): New function.
6159 (scan_omp_1): Call it.
6162 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6163 construct, return *VAR.
6165 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6167 PR rtl-optimization/27406
6168 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6171 2006-05-14 Roger Sayle <roger@eyesopen.com>
6173 PR rtl-optimization/27538
6174 * combine.c (expand_compound_operation): Call gen_lowpart
6175 before calling simplify_shift_const.
6177 2006-05-14 Roger Sayle <roger@eyesopen.com>
6179 PR rtl-optimization/22563
6180 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6181 a fixed width bitfield, always force the intermediates into psuedos.
6183 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6186 * mkconfig.sh: Use operator = instead of == for test.
6188 2006-05-13 Nick Clifton <nickc@redhat.com>
6190 * dwarf2out.c (dbx_reg_number): Check return value from
6191 LEAF_REG_REMAP and only use it if it is valid.
6192 (multiple_reg_loc_descriptor): Likewise.
6194 2006-05-13 Richard Guenther <rguenther@suse.de>
6196 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6199 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6201 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6202 information attached to non-INSNs such as NOTEs.
6203 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6205 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6207 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6209 * config/s390/s390.md: Adjust comment describing On constraint.
6211 2006-05-11 Jan Hubicka <jh@suse.cz>
6213 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6214 to be output at -O0.
6216 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6219 * fold-const.c (size_binop): Move sanity check for arguments to
6220 the beginning of the function.
6223 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6226 2006-05-11 Richard Guenther <rguenther@suse.de>
6229 * fold-const.c (fold_unary): Handle intermediate conversion
6230 to a pointer type like intermediate conversion to an integer
6231 type in folding of (T1)(T2)var to var.
6232 Match the code to the comment in the final conversion for
6233 (T1)(T2)var to (T1)var regarding to type precision. Rather
6234 than disallow T1 being of pointer type, assert that both T1
6235 and var are of pointer type or not. Make sure not to fall
6236 over the frontends lazyness wrt array to pointer decay though.
6238 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6240 * arm.c (arm_struct_value_rtx): Delete.
6241 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6242 (arm_init_cumulative_args): Always initialize nregs to zero.
6244 2006-05-10 Richard Guenther <rguenther@suse.de>
6246 PR tree-optimization/27532
6247 * tree-object-size.c (plus_expr_object_size): Fix typo.
6249 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6252 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6253 ashrdi_const, ashrdi3): Use a scratch register.
6255 2006-05-10 Richard Guenther <rguenther@suse.de>
6257 PR tree-optimization/27302
6258 * fold-const.c (operand_equal_p): For two comparisons,
6259 try comparison of one comparison code swapped if that yields
6262 2006-05-10 Ben Elliston <bje@au.ibm.com>
6264 * tree-pretty-print.c (pretty_print_string): No need to handle
6265 '\0' as a special character.
6267 * tree.h: Include "hashtab.h".
6268 (iterative_hash_expr): Use hashval_t in its prototype.
6269 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6271 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6274 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6275 (hppa*64*-*-hpux11*): Ditto.
6276 (hppa[12]*-*-hpux11*): Ditto.
6278 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6281 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6283 2006-05-09 Michael Matz <matz@suse.de>
6285 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6286 host_extra_gcc_objs and host_xmake_file.
6287 (<*-*-linux*>): Don't overwrite host_xmake_file.
6288 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6289 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6290 (host_detect_local_cpu): Declare.
6291 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6292 * config/i386/i386.c (override_options): Handle -mtune=native
6294 * config/i386/x-i386: New file.
6295 * config/i386/driver-i386.c: New file.
6296 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6299 2006-05-09 Dirk Mueller <dmueller@suse.de>
6300 Richard Guenther <rguenther@suse.de>
6303 * fold-const.c (fold_read_from_constant_string): Relax check
6304 for matching types to matching modes.
6306 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6308 PR rtl-optimization/27335
6309 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6312 2006-05-08 Chao-ying Fu <fu@mips.com>
6313 Richard Sandiford <richard@codesourcery.com>
6315 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6316 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6317 * config/mips/mips.md (UNSPEC_SCC): New constant.
6318 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6319 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6320 (mips_emit_compare): Use it.
6321 (mips_expand_vcondv2sf): New function.
6323 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6325 Fix PR tree-optimization/27093
6326 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6327 renaming when they become not-used_alone.
6329 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6331 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6332 relocation and relocation stubs.
6334 2006-05-08 Eric Christopher <echristo@apple.com>
6336 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6339 2006-05-08 Jan Hubicka <jh@suse.cz>
6342 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6343 unused static functions are needed.
6345 2006-05-08 Roger Sayle <roger@eyesopen.com>
6348 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6349 of a reg_equiv_constant if the result is a legitimate constant.
6351 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6354 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6355 standard 80387 constants, raise the cost to prevent
6356 compress_float_constant() to generate load from memory.
6358 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6360 * config/arm/constraints.md (c): Fix a typo.
6362 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6365 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6368 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6370 (_mm_mwait): Likewise.
6372 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6374 (sse3_monitor): Make it 32bit only.
6375 (sse3_monitor64): New. 64bit monitor.
6377 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6380 * config/i386/i386.c (classify_argument): Skip fields with invalid
6383 2006-05-07 Richard Guenther <rguenther@suse.de>
6385 PR tree-optimization/27409
6386 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6387 Do not try to find zero-sized subvars.
6389 2006-05-07 Richard Guenther <rguenther@suse.de>
6391 PR tree-optimization/27136
6392 * tree-ssa-loop-niter.c (get_val_for): Correct function
6393 comment, assert requirements.
6394 (loop_niter_by_eval): Stop processing if the iterated
6395 value did not simplify.
6397 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6399 * opts.c (flag_see): remove its setting at -O3.
6401 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6403 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6404 * arm/constraints.md: New file.
6405 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6406 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6407 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6408 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6409 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6410 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6411 * arm.md: Include constraints.md.
6412 (thumb_movsi_insn): Use satisfies_constraint_J.
6413 (movhi, movqi): Use satisfies_constraint_I.
6415 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6417 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6418 for atmeg a645 device.
6420 2006-05-06 Richard Guenther <rguenther@suse.de>
6422 PR tree-optimization/27151
6423 * tree-vect-transform.c (vectorizable_condition): Punt on
6424 values that have a different type than the condition.
6426 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6429 * c-parser.c (c_parser_cast_expression): Only insert casts into
6430 hash table if pointer.
6431 * function.c (used_types_insert_helper): Rename from
6433 (used_types_insert): Call used_types_insert_helper.
6434 * function.h (used_types_insert): Accept only one argument.
6436 2006-05-05 David Edelsohn <edesohn@gnu.org>
6438 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6439 scratch with output modifier.
6441 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6444 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6445 with output modifier.
6447 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6450 * config/mips/mips.c (mips_symbolic_address_p): Return true
6451 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6452 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6454 2006-05-04 Richard Guenther <rguenther@suse.de>
6456 PR tree-optimization/14287
6457 PR tree-optimization/14844
6458 PR tree-optimization/19792
6459 PR tree-optimization/21608
6460 PR tree-optimization/27090
6461 * tree-ssa-pre.c (try_combine_conversion): New function.
6462 (compute_avail): After constructing the value-handle
6463 expression, use try_combine_conversion to combine NOP_EXPRs
6464 with previous value-handle expressions and use the result if it
6467 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6469 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6471 2006-05-04 Jan Hubicka <jh@suse.cz>
6474 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6476 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6478 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6479 that this only matches CONST_INTs. All users changed to VOIDmode
6482 * config/bfin/bfin.c: Include "optabs.h".
6483 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6485 (enum bfin_builtins): Add a number of fractional and vector builtins.
6486 (bfin_init_builtins): Likewise.
6487 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6488 (safe_vector_operand, bfin_expand_binop_builtin,
6489 bfin_expand_unop_builtin): New functions.
6490 (bfin_expand_builtin): Handle the new builtins.
6491 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6494 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6497 * Makefile.in (OBJS-common): Add see.o.
6498 (see.o): Add dependencies.
6499 * common.opt (fsee): New flag for the see optimization was added.
6500 * opts.c (flag_see): Initialized.
6501 * passes.c (init_optimization_passes, pass_see): New pass.
6502 * rtl.h (see_main): Declaration as extern.
6503 * timevar.def (TV_SEE): New.
6504 * tree-pass.h (pass_see): Declaration as extern.
6505 * invoke.texi (-fsee): Document.
6506 * recog.c (validate_simplify_insn): New function.
6507 * recog.h (validate_simplify_insn): Declaration as extern.
6508 * df-problems.c (df_chain_dump): Check for NULL.
6510 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6511 Daniel Berlin <dberlin@dberlin.org>
6513 * cfgrtl.c (insert_insn_bb_end_new): New function.
6514 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6516 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6518 * df.h (struct web_entry): Moved from web.c.
6519 (union_defs): Declaration as extern.
6520 (unionfind_root): Likewise.
6521 (unionfind_union): Likewise.
6522 * web.c (struct web_entry): Moved to df.h.
6523 (unionfind_root): Remove static declaration.
6524 (unionfind_union): Likewise.
6525 (union_defs): Likewise and generalize to use callback function.
6526 (web_main): Update arguments for union_defs function call.
6528 2006-05-04 Richard Guenther <rguenther@suse.de>
6530 PR tree-optimization/26447
6531 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6532 produce SSA_NAME copies before the store stmt to avoid
6533 breaking exception handling.
6535 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6538 * gimplify.c (omp_is_private): If var is shared in some outer context,
6539 return false instead of true. Stop searching on parallel context
6542 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6545 * coverage.c: Use get_gcov_unsigned_t() instead of
6546 unsigned_type_node all over.
6548 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6550 PR tree-optimization/27381
6551 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6552 maintain the same immediate_use links.
6553 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6554 node rather than segfaulting.
6556 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6559 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6560 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6561 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6563 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6565 Fix PR tree-optimization/26626
6566 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6568 * tree-ssa-operands.c (access_can_touch_variable): Allow
6569 typecasting through union pointers.
6571 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6574 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6575 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6576 to find if var will be a global variable even in the nested context.
6577 (omp_copy_decl): Only check for global variable at the end, it might
6578 be overridden in outer contexts.
6579 (scan_sharing_clauses): For global variables don't create a field.
6580 (lower_rec_input_clauses): Do nothing for global shared variables.
6581 Emit a barrier at the end of ILIST if there were any decls in both
6582 firstprivate and lastprivate clauses.
6583 (lower_send_clauses): Do nothing for global variables except for
6586 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6588 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6589 of the correct signedness is returned.
6591 2006-05-02 Jeff Law <law@redhat.com>
6593 PR tree-optimization/27364
6594 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6595 multiply expressions.
6597 2006-05-02 Tom Tromey <tromey@redhat.com>
6599 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6601 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6604 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6605 -mthumb -fPIC are used.
6607 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6608 Joshua Kinard <kumba@gentoo.org>
6611 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6612 with 64-bit pointers.
6614 2006-05-02 Paul Brook <paul@codesourcery.com>
6616 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6618 (create_fix_barrier): Check that a suitable barrier location is
6620 (arm_reorg): Include ftmp->address in allowable range of addresses.
6622 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6625 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6628 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6631 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6632 around RESULT_DECL for result passed by reference.
6633 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6634 * omp-low.c (use_pointer_for_field): Don't look at
6635 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6636 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6637 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6638 time or var for passing by reference for
6639 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6640 TREE_ADDRESSABLE variables when passing by reference.
6642 * omp-low.c (dump_omp_region): Fix output formatting.
6645 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6646 (expand_omp_parallel): Likewise.
6647 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6650 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6651 on statement list containing also constructors and destructors.
6652 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6655 * except.c (duplicate_eh_regions): Fix clearing of
6656 cfun->eh->region_array entries.
6658 2006-05-01 DJ Delorie <dj@redhat.com>
6660 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6662 (gcc_cv_objdump): Likewise.
6663 * configure: Regenerated.
6665 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6668 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6669 templates for case 3 and 4.
6671 2006-05-01 DJ Delorie <dj@redhat.com>
6673 * vec.c: Include bconfig.h when appropriate.
6674 * Makefile.in (build/vec.o): Adjust dependencies.
6675 * mkconfig.sh: Make sure config.h isn't used for build machine
6678 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6680 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6682 (mark_phi_for_rewrite): New function.
6683 (insert_phi_nodes_for, mark_use_interesting): Call
6684 mark_phi_for_rewrite.
6685 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6686 (update_ssa): Initialize and free phis_to_rewrite.
6688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6690 PR rtl-optimization/27291
6691 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6692 folded to a constant.
6694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6696 PR tree-optimization/27283
6697 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6698 not whole # of iteration descriptions.
6699 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6700 uses abnormal ssa name.
6701 (niter_for_single_dom_exit): Ditto.
6702 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6703 return just the number of iterations.
6705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6707 PR tree-optimization/27144
6708 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6709 (record_estimate): Only record constant upper bound.
6710 (infer_loop_bounds_from_undefined): Call
6711 compute_estimated_nb_iterations just once.
6712 (proved_non_wrapping_p): Renamed to ...
6713 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6714 (convert_step_widening, scev_probably_wraps_p): Call
6715 n_of_executions_at_most instead of proved_non_wrapping_p.
6716 (substitute_in_loop_info): Do not replace values in bounds.
6717 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6720 2006-05-01 Richard Henderson <rth@redhat.com>
6723 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6724 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6727 2006-05-01 Roger Sayle <roger@eyesopen.com>
6729 * c-typeck.c (parser_build_binary_op): Don't call the function
6730 unsigned_conversion_warning to spot operand/result type overflow.
6731 (build_binary_op): Instead, call convert_and_check instead of
6732 convert to report the problem when the operands are promoted.
6733 * c-common.c (unsigned_conversion_warning): Make static.
6734 * c-common.h (unsigned_conversion_warning): Delete prototype.
6736 2006-05-01 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/26726
6739 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6741 (find_interesting_uses_address): ... we work around here
6742 by folding INDIRECT_REFs in the substituted base.
6744 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6746 * omp-low.c (dump_omp_region): Add newlines.
6748 2006-04-30 Roger Sayle <roger@eyesopen.com>
6750 * common.opt (Woverflow): New command line option.
6751 * c-common.c (constant_expression_warning): Check warn_overflow.
6752 (overflow_waring): Pass OPT_Woverflow to warning.
6753 (unsigned_conversion_warning): Likewise.
6754 (convert_and_check): Likewise.
6755 * doc/invoke.texi: Document new command line option.
6757 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6759 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6760 TARGET_NO_FP_IN_TOC for section anchors.
6761 (optimization_options): Enable section anchors for all
6762 non-"Objective" languages.
6764 2006-04-28 Eric Christopher <echristo@apple.com>
6766 * config/darwin-c.c (darwin_ms_struct): Move this
6767 (darwin_set_default_type_attributes): and this...
6768 * config/darwin.c: ... here.
6769 * config/darwin.h (darwin_ms_struct): Declare.
6771 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6775 2006-04-28 Roger Sayle <roger@eyesopen.com>
6778 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6779 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6780 an unsigned HOST_WIDE_INT.
6781 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6783 (really_start_incremental_init): No need to call convert because
6784 bitsize_zero_node is already of type bitsizetype.
6785 (push_init_level): Extract the value of constructor_index as an
6786 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6787 (process_init_element): Likewise.
6789 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6791 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6792 value before passing to make_relative_prefix.
6794 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6797 * builtins.c (expand_builtin_memset): Expand val in original mode.
6799 2006-04-27 Eric Christopher <echristo@apple.com>
6801 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6802 with #ifndef/#endif.
6803 * config/darwin-c.c (darwin_ms_struct): New.
6804 (darwin_pragma_ms_struct): Ditto.
6805 (darwin_set_default_type_attributes): Ditto.
6806 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6807 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6808 Register ms_struct pragma.
6809 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6810 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6811 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6812 darwin_set_default_type_attributes if TARGET_MACHO.
6814 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6816 PR tree-optimization/26854
6817 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6818 * doc/tree-ssa.texi: Update immuse iterator documentation.
6819 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6821 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6822 first_safe_imm_use, next_safe_imm_use): Remove.
6823 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6824 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6825 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6826 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6827 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6828 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6829 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6830 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6831 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6833 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6834 (perfect_nestify): Use new iterator.
6835 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6837 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6838 (next_imm_name): New field in struct immediate_use_iterator_d.
6839 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6840 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6841 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6842 * tree-cfg.c (replace_uses_by): Use new iterator.
6843 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6844 * tree-ssa-operands.c (correct_use_link): Remove.
6845 (finalize_ssa_use_ops): No longer call correct_use_link.
6847 2006-04-27 Stuart Hastings <stuart@apple.com>
6849 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6850 * config/t-darwin (crt3.o): Use it.
6851 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6852 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6853 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6854 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6855 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6858 2006-04-27 Roger Sayle <roger@eyesopen.com>
6860 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6861 size, force the intermediate into a new pseudo rather instead of
6862 performing both a bitwise AND and a bitwise IOR in memory.
6864 2006-04-27 Richard Guenther <rguenther@suse.de>
6866 PR rtl-optimization/26685
6867 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6868 this one "max-flow-memory-locations".
6870 2006-04-27 Richard Guenther <rguenther@suse.de>
6872 PR tree-optimization/25148
6873 * tree-vrp.c (compare_values): Remove code dealing with
6874 comparisons against type min/max value. Honour overflow
6875 and negative constants in code dealing with comparisons
6876 of plus and minus expressions.
6877 (value_inside_range): Use fold_binary with LE_EXPR and
6878 GE_EXPR rather than compare_values.
6880 2006-04-27 Dirk Mueller <dmueller@suse.de>
6882 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6885 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6887 * basic-block.h (safe_insert_insn_on_edge): Removed.
6888 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6890 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6891 Paolo Bonzini <bonzini@gnu.org>
6894 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6895 (simplify_and_const_int): Same.
6897 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6899 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6901 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6904 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6905 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6906 cgraph_global_info_ready.
6909 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6912 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6913 either decl or init is error_mark_node.
6916 * tree-flow.h (struct omp_region): Add sched_kind.
6917 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6918 instead of extracting omp for data.
6919 (expand_omp_for): Save extracted sched_kind.
6921 2006-04-25 Roger Sayle <roger@eyesopen.com>
6923 * expmed.c (store_bit_field): Also check whether the bitsize is
6924 valid for the machine's "insv" instruction before moving the
6925 target into a pseudo for use with the insv.
6926 * config/i386/predicates.md (const8_operand): New predicate.
6927 * config/i386/i386.md (extv, extzv, insv): Use the new
6928 const8_operand predicate where appropriate.
6930 2006-04-25 DJ Delorie <dj@redhat.com>
6932 * doc/install.texi (Specific): Clarify that this is not a list of
6933 supported hosts or targets.
6935 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6937 PR rtl-optimization/26725
6938 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6939 block's BB_DIRTY flag.
6941 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6943 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6946 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6947 to print an integer.
6949 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6951 * varasm.c (align_variable): New function.
6952 (get_block_for_decl): Apply align_variable to DECL before
6953 calculating section information.
6954 (assemble_variable): Split out alignment computation.
6956 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6958 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6961 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6963 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6964 MODE_PARTIAL_INT mode.
6965 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6966 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6968 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6969 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6971 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6973 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6975 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6976 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6977 MACFLAG_IH): Likewise.
6978 (movstricthi_1): Renamed from "*movstricthi".
6979 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6980 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6981 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6982 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6983 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6984 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6985 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6986 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6987 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6988 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6989 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6990 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6991 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6992 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6993 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6995 * doc/rtl.texi (ss_ashift): Improve wording.
6997 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6999 * dwarf2out.c (verify_marks_clear): New.
7000 (prune_unused_types): Call verify_marks_clear initially, not
7003 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7005 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7006 * doc/rtl.texi: Document them.
7007 * simplify-rtx.c (simplify_unary_operation,
7008 simplify_binary_operation_1): Don't abort when we see them.
7010 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7013 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7014 * configure.ac: Completely disregard languages that are not
7016 * configure: Regenerated.
7018 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7019 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/27236
7022 * tree-inline.c (copy_body_r): Make sure to copy
7023 TREE_THIS_VOLATILE flag.
7025 2006-04-24 Richard Guenther <rguenther@suse.de>
7028 * tree-complex.c (update_parameter_components): Don't handle
7029 unused parameters which have no default def.
7031 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7032 Richard Guenther <rguenther@suse.de>
7034 PR tree-optimization/27218
7035 * tree-inline.c (expand_call_inline): Strip useless type
7036 conversions for the return slot address.
7038 2006-04-24 Richard Guenther <rguenther@suse.de>
7040 * cfgloop.h (struct loops): Remove unused field array. Reorder
7042 (LOOP_PREFETCH): Remove.
7044 2006-04-24 Richard Guenther <rguenther@suse.de>
7046 PR tree-optimization/22525
7047 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7048 variable, adjust types of generated expressions.
7050 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7052 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7053 (tree-vect-patterns.o): Likewise.
7055 (cselib.o): Likewise.
7056 (loop-doloop.o): Likewise.
7057 (regclass.o): Likewise.
7058 (reload1.o): Likewise.
7059 (explow.o): Replace target.h with $(TARGET_H).
7060 (ipa-prop.o): Likewise.
7061 (ipa-cp.o): Likewise.
7062 (ipa-inline.o): Likewise.
7063 (reorg.o): Likewise.
7064 (reg-stack.o): Likewise.
7066 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7068 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7070 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7072 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7074 * configure.ac: Completely disregard languages that are not
7076 * configure: Regenerated.
7079 * c-common.h (c_build_bitfield_integer_type): Declare.
7080 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7081 * c-common.c (c_build_bitfield_integer_type): ... here.
7083 2006-04-23 Roger Sayle <roger@eyesopen.com>
7086 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7087 a SImode SUBREG of a floating point register after no_new_pseudos.
7089 2006-04-23 Roger Sayle <roger@eyesopen.com>
7091 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7092 identify potentially eliminable registers to additionally catch
7093 VIRTUAL_INCOMING_ARGS_REGNUM.
7094 (addsi3): Update the conditions on when to use addsi_small_int.
7096 2006-04-23 Roger Sayle <roger@eyesopen.com>
7099 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7100 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7101 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7103 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7105 * fold-const.c (range_predecessor): Use operand_equal_p
7106 as the predicate for equality.
7107 (range_successor): Likewise.
7109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7112 * config/soft-fp/op-common.h: Fix a typo.
7114 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7117 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7118 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7120 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7122 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7124 * doc/tm.texi: Fix a typo.
7126 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7128 * dwarf2out.c (struct die_struct): Document that die_sib makes
7129 a circular linked list.
7130 (FOR_EACH_CHILD): New.
7131 (reverse_die_lists): Delete.
7132 (reverse_all_dies): Delete.
7133 (add_dwarf_attr): Correct documentation.
7134 (remove_child_with_prev): New.
7135 (remove_child_TAG): Update for change to die_struct, use
7136 remove_child_with_prev.
7137 (add_child_die): Update for change to die_struct.
7138 (splice_child_die): Use remove_child_with_prev and add_child_die.
7139 (print_die): Use FOR_EACH_CHILD.
7140 (die_checksum): Likewise.
7141 (assign_symbol_names): Likewise.
7142 (output_location_lists): Likewise.
7143 (build_abbrev_table): Likewise.
7144 (calc_die_sizes): Likewise.
7145 (mark_dies): Likewise.
7146 (unmark_dies): Likewise.
7147 (unmark_all_dies): Likewise.
7148 (output_die): Likewise.
7149 (prune_unused_types_mark): Likewise.
7150 (prune_unused_types_walk): Likewise.
7151 (same_die_p): Update for change to die_struct.
7152 (break_out_includes): Likewise.
7153 (prune_unused_types_prune): Likewise.
7154 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7155 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7157 (dwarf2out_finish): Don't call reverse_all_dies.
7159 2006-04-21 Eric Christopher <echristo@apple.com>
7161 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7162 in comments and function names.
7164 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7167 * c-typeck.c (digest_init): Robustify.
7169 * c-typeck.c (pop_init_level): Simplify.
7171 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7173 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7175 2006-04-21 Paul Brook <paul@codesourcery.com>
7177 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7178 hardware floating point.
7180 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7182 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7185 2006-04-21 Nick Clifton <nickc@redhat.com>
7187 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7190 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7193 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7194 C++ lang type in traceback table for Objective-C++.
7196 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7198 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7200 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7202 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7205 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7206 were errors. Remove check for erroneous objects.
7208 2006-04-20 Jeff Law <law@redhat.com>
7210 PR tree-optimization/26854
7211 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7212 checking for zero or one use.
7213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7214 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7215 * tree-ssa-reassoc.c (negate_value): Similarly.
7216 (reassociate_bb): Similarly.
7218 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7220 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7221 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7222 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7224 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7226 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7227 fp regs if the last fp arg doesn't fit in regs.
7229 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7232 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7233 that the last insn has the REG_INC note.
7235 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7236 Nathan Sidwell <nathan@codesourcery.com>
7239 * stor-layout.c (update_alignment_for_field): Do not align
7241 (place_union_field): Place union field at the start of the union.
7242 (place_field): Move ERROR_MARK check later, and use the current
7243 allocation position to maintain monotonicity.
7245 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7247 * dominance.c: Include timevar.h.
7248 (calculate_dominance_info): Use TV_DOMINANCE.
7249 * timevar.def (TV_DOMINANCE): New timevar.
7250 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7252 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7254 PR rtl-optimization/14261
7255 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7256 move would be an INSV insn.
7257 (noce_process_if_block): Don't optimize if the destination is a
7258 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7260 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7262 * config/s390/s390.md: Add comments with the instructions emitted
7263 by an insn pattern if macros are used.
7265 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7267 PR rtl-optimization/26026
7268 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7269 is a known power of two shifted left a variable amount.
7271 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7273 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7274 to hash table twice when the debug_str section has SECTION_MERGE.
7276 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7278 * config/soft-fp: New directory. From glibc.
7279 * config/soft-fp/t-softfp: New.
7280 * config/soft-fp/README: New.
7281 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7282 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7283 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7284 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7285 * config.gcc: Use rs6000/t-fprules-fpbit or
7286 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7288 * config/rs6000/sfp-machine.h: New. Based on glibc.
7289 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7291 * config/rs6000/t-fprules: Remove fp-bit rules.
7292 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7293 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7294 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7295 (softfp_wrap_start, softfp_wrap_end): New.
7297 2006-04-18 DJ Delorie <dj@redhat.com>
7299 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7301 2006-04-18 Devang Patel <dpatel@apple.com>
7303 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7305 2006-04-18 Nick Clifton <nickc@redhat.com>
7307 * config/sh/t-symbian: Add rule to build sh-c.o
7308 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7309 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7310 (sh_symbian_encode_section_info): Likewise.
7312 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7314 * builtins.c (expand_builtin_strcmp): Cover label definition of
7315 do_libcall with HAVE_cmpstrnsi.
7317 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7319 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7321 * function.h (temp_slot_p): New.
7322 (function): Change the type of x_used_temp_slots to
7323 VEC(temp_slot_p,gc) *.
7325 2006-04-18 Nick Clifton <nickc@redhat.com>
7327 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7328 flag_strength_reduce.
7330 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7332 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7336 Partial revert of revision 112637
7337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7338 Dale Johannesen <dalej@apple.com>
7341 * regclass.c (struct reg_pref): Update documentation.
7342 (regclass): Set prefclass to NO_REGS if memory is the best option.
7343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7345 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7347 PR tree-optimization/26821
7348 * tree-ssa-math-opts.c (get_constant_one): New.
7349 (insert_reciprocals): Use it.
7351 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7353 * dwarf2out.c (free_AT): Delete.
7354 (remove_AT): Update string ref counts.
7355 (remove_child_TAG): Don't call free_die.
7357 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7358 or DW_TAG_GNU_EINCL.
7359 (prune_unused_types_walk_attribs): Reset string refcounts.
7360 (prune_unused_types_update_strings): New.
7361 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7362 call free_die. Do call prune_unused_types_update_strings.
7363 (prune_unused_types): Empty debug_str_hash.
7365 2006-04-17 Roger Sayle <roger@eyesopen.com>
7367 * expr.c (expand_assignment): Optimize away no-op moves where the
7368 source and destination are equal and have no side-effects.
7370 2006-04-17 Richard Guenther <rguenther@suse.de>
7373 * reload.c (push_reload): Guard calls to get_secondary_mem
7376 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7378 * alias.c (reg_base_value, old_reg_base_value): Change the
7379 type to VEC(rtx,gc) *.
7380 (REG_BASE_VALUE, find_base_value, record_set,
7381 init_alias_analysis): Use VEC instead of VARRAY.
7383 * alias.c (alias_sets): Change the type to
7384 VEC(alias_set_entry,gc) *.
7385 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7386 VEC instead of VARRAY.
7387 (last_alias_set): Remove.
7389 * cgraph.h (cgraph_edge_p): New.
7390 Update the prototype of cgraph_function_versioning.
7391 * cgraphunit.c (cgraph_copy_node_for_versioning,
7392 cgraph_function_versioning): Use VEC instead of VARRAY.
7393 * ipa-cp.c (ipcp_insert_stage): Likewise.
7395 2006-04-16 Roger Sayle <roger@eyesopen.com>
7398 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7399 "A op B" or "A op C", we may need to convert A to the type of B and C.
7401 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7403 * target.h (struct gcc_target): Add mode_rep_extended.
7404 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7405 (init_num_sign_bit_copies_in_rep): Initialize it using
7407 (truncate_to_mode): Use it.
7408 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7409 * targhooks.h (default_mode_rep_extended): Declare it.
7410 * targhooks.c (default_mode_rep_extended): Define it.
7411 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7412 default_mode_rep_extended.
7413 (TARGET_INITIALIZER): Include it.
7414 * doc/tm.texi (Misc): Document it.
7415 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7416 (mips_truncated_to_mode): New function.
7418 2006-04-16 Roger Sayle <roger@eyesopen.com>
7421 * expr.c (compress_float_constant): Copy the narrow constant into
7422 a new pseudo before extending it to its final width.
7424 2006-04-16 Roger Sayle <roger@eyesopen.com>
7425 Andrew Pinski <pinskia@gcc.gnu.org>
7426 Dale Johannesen <dalej@apple.com>
7429 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7430 special case code to implement V8HImode and V16QImode with SSE2.
7432 2006-04-15 Roger Sayle <roger@eyesopen.com>
7434 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7435 trees are constructed with a suitable tree type.
7437 2006-04-15 Roger Sayle <roger@eyesopen.com>
7439 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7440 (integer_onep): Likewise.
7441 (integer_all_onesp): Likewise.
7442 (integer_pow2p): Likewise.
7443 (integer_nonzerop): Likewise.
7444 (real_zerop): Likewise.
7445 (real_onep): Likewise.
7446 (real_twop): Likewise.
7447 (real_minus_onep): Likewise.
7448 (int_size_in_bytes): Likewise.
7449 (host_integerp): Likewise.
7451 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7453 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7454 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7455 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7457 * tree-ssa-structalias.h (alias_info): Remove num_references.
7459 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7461 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7462 (output_bvb patterns): Likewise.
7463 * pa.c (output_bb): Use 'bb' insn for long branch case.
7464 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7465 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7466 1. Correct length operand for alternatives 1 and 2.
7467 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7468 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7470 2006-04-14 Roger Sayle <roger@eyesopen.com>
7472 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7473 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7474 were accidentally reverted by r112959.
7476 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7479 * except.h (eh_region_outermost): New prototype.
7480 * except.c (eh_region_outermost): New function.
7481 * tree-cfg.c (find_outermost_region_in_block): Use it.
7483 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7485 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7487 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7488 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7489 (init_reload, reload): Use VEC instead of VARRAY.
7490 * reload.h: Update the prototype for
7491 reg_equiv_memory_loc_varray.
7493 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7494 Eric Botcazou <ebotcazou@libertysurf.fr>
7496 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7499 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7502 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7503 to expand fallback builtin function call.
7505 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7508 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7509 and emit libcall here in case the builtin fails.
7510 (expand_builtin_strcmp): Always emit the libcall here on failure.
7512 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7514 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7515 * flow.c (reg_n_info): Change the type to
7516 VEC(reg_info_p,heap) *.
7517 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7519 * regs.h (reg_info_p): New.
7520 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7521 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7522 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7525 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7527 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7529 * params.h (MAX_SCHED_READY_INSNS): New macro.
7530 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7531 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7532 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7533 the ready list for 1 cycle during the first scheduling pass.
7534 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7536 2006-04-13 Richard Henderson <rth@redhat.com>
7539 * gimple-low.c (lower_omp_directive): Remove dead code.
7540 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7541 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7542 * omp-low.c (struct omp_region): Move to tree-flow.h.
7543 (root_omp_region): Export.
7544 (omp_regions, lookup_omp_region): Remove.
7545 (determine_parallel_type): Update for struct omp_region changes.
7546 (dump_omp_region): Dump regions with block numbers.
7547 (new_omp_region): Take type and block instead of stmt; malloc
7549 (free_omp_region_1, free_omp_regions): New.
7550 (expand_parallel_call): Take entry_stmt as argument; update for
7551 changes to omp_region.
7552 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7553 (remove_exit_barriers): New.
7554 (expand_omp_parallel): Update for struct omp_region changes.
7555 (expand_omp_synch): Likewise.
7556 (expand_omp): Likewise.
7557 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7558 (expand_omp_for_static_chunk): Likewise.
7559 (expand_omp_for): Likewise.
7560 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7561 (expand_omp_sections): Similarly, with GOMP_sections_end.
7562 (expand_omp_single): New.
7563 (build_omp_regions_1): Update for OMP_CONTINUE.
7564 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7565 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7566 OMP_SECTIONS_SECTIONS.
7567 (lower_omp_single_simple): Don't emit barrier here.
7568 (lower_omp_single_copy): Likewise.
7569 (lower_omp_single): Fix bindings, and lower to straightline now.
7570 (lower_omp_master, lower_omp_ordered): Likewise.
7571 (lower_omp_critical): Likewise.
7572 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7573 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7574 omp edges, free it afterward.
7575 (make_omp_sections_edges): Remove.
7576 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7577 (move_stmt_r): Handle OMP_CONTINUE.
7578 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7579 statement pointers to basic blocks. Add type member.
7580 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7582 * tree-inline.c (estimate_num_insns_1): Likewise.
7583 * tree-pretty-print.c (dump_generic_node): Likewise.
7584 * tree-ssa-operands.c (get_expr_operands): Likewise.
7585 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7586 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7587 (OMP_CONTINUE): New.
7588 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7589 (OMP_SECTIONS_SECTIONS): Remove.
7590 (OMP_SECTION_LAST): New.
7591 (OMP_RETURN_NOWAIT): New.
7593 2006-04-13 Roger Sayle <roger@eyesopen.com>
7595 * fold-const.c (native_encode_vector, native_interpret_real):
7596 Correct obvious mistakes in the previous check-in.
7598 2006-04-13 Roger Sayle <roger@eyesopen.com>
7600 * fold-const.c (native_encode_expr): New function to encode
7601 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7602 or VECTOR_CST into a specified buffer.
7603 (native_encode_int): New function.
7604 (native_encode_real): New function.
7605 (native_encode_complex): New function.
7606 (native_encode_vector): New function.
7607 (native_interpret_expr): Inverse of native_encode_expr to convert
7608 a target representation into an INTEGER_CST, REAL_CST etc...
7609 (native_interpret_int): New function.
7610 (native_interpret_real): New function.
7611 (native_interpret_complex): New function.
7612 (native_interpret_vector): New function.
7613 (fold_view_convert_expr): New function to constant fold/evaluate
7614 a VIEW_CONVERT_EXPR of a suitable constant expression.
7615 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7616 Change call of build1 to fold_build1 when constructing a
7619 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7620 Ulrich Weigand <uweigand@de.ibm.com>
7623 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7626 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7629 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7630 optimize to lo_sum for DFmode if !TARGET_FPRS.
7632 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7634 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7635 delete_alias_info, compute_flow_sensitive_aliasing,
7636 group_aliases): Use VEC instead of VARRAY.
7637 * tree-ssa-structalias.c (update_alias_info): Likewise.
7638 * tree-ssa-structalias.h (alias_info): Change the type of
7639 processed_ptrs to VEC(tree,heap) *.
7641 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7644 * config/sh/lib1funcs.h: New file, broken out of:
7645 * config/sh/lib1funcs.asm.
7646 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7648 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7649 * config/sh/lib1funcs-Os-4-200.asm: New file.
7650 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7651 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7652 (EXTRA_MULTILIB_PARTS): Include it.
7653 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7654 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7655 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7656 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7659 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7661 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7662 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7663 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7665 * tree-ssa-live.h: Include vecprim.h.
7666 (tree_partition_associator_d): Change the type of
7667 first_partition to VEC(int,heap) *.
7668 (tpa_first_partition): Use VEC instead of VARRAY.
7670 * Makefile.in (GTFILES): Move functions.h after tree.h.
7671 * function.c (reset_block_changes, record_block_change,
7672 check_block_change, free_block_changes): Use VEC instead of
7674 * function.h (function): Change the type of
7675 ib_boundaries_block to VEC(tree,gc) *.
7676 * tree-inline.c (copy_cfg_body): Initialize
7677 ib_boundaries_block to NULL instead of (varray_type) 0.
7679 2006-04-12 Roger Sayle <roger@eyesopen.com>
7681 * expr.c (emit_group_store): Correct operand order in call to
7682 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7683 a SUBREG_BYTE of zero.
7685 2006-04-12 Richard Guenther <rguenther@suse.de>
7687 * profile.c (compute_branch_probabilities): Remove code
7688 encapsulated in !ir_type (), which are remanents of the
7689 removed RTL profiling code.
7690 * rtl-profile.c: Remove.
7692 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7694 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7695 magic NULL_RTX comment.
7696 (function_arg): Store entire fp arg to mem if any part should go
7698 (rs6000_arg_partial_bytes): Adjust for above change.
7700 2006-04-11 Roger Sayle <roger@eyesopen.com>
7702 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7703 if it hasn't been initialized by dwarf2out_init.
7705 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7707 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7708 symbolic constants in branch patterns.
7710 2006-04-11 Roger Sayle <roger@eyesopen.com>
7712 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7714 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7716 PR rtl-optimization/27073
7717 * gcse.c (try_replace_reg): Revert last change. Continue to search
7718 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7721 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7723 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7724 aggregate types other than record and union types.
7725 (function_arg): Likewise.
7726 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7728 (function_value): In 64-bit mode, return objects that require it
7731 2006-04-11 Roger Sayle <roger@eyesopen.com>
7733 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7735 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7737 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7739 2006-04-03 Jeff Law <law@redhat.com>
7742 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7743 alias information too.
7745 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7747 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7749 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7752 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7753 (premark_used_types_helper): New.
7754 (premark_used_types): New.
7755 (gen_subprogram_die): Call premark_used_types.
7756 (prune_unused_types_walk): Do not prune perennial dies.
7757 * function.c (used_types_insert): New.
7758 * function.h (struct function): Add used_types_hash field.
7759 (used_types_insert): Add prototype.
7760 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7761 * c-parser.c (c_parser_cast_expression): Save casted types in used
7764 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7767 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7768 rs6000_explicit_options.float_gprs.
7770 2006-04-10 Roger Sayle <roger@eyesopen.com>
7772 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7773 from ix86_expand_vector_init_low_nonzero. Take an additional
7774 one_var argument indicating which element is non-zero. Support
7775 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7776 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7777 with one_var instead of ix86_expand_vector_init_low_nonzero.
7779 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7781 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7782 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7783 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7784 build/genextract.o): Depend on vecprim.h.
7785 * cfglayout.c, df-problems.c, function.c, genextract.c,
7786 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7787 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7791 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7793 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7794 Declare VECs of this type.
7795 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7796 (remove_children): Delete.
7797 (add_dwarf_attr): Use VEC routines.
7798 (add_AT_flag): Update for changes to add_dwarf_attr.
7799 (add_AT_int): Likewise.
7800 (add_AT_unsigned): Likewise.
7801 (add_AT_long_long): Likewise.
7802 (add_AT_vec): Likewise.
7803 (add_AT_string): Likewise.
7804 (add_AT_die_ref): Likewise.
7805 (add_AT_fde_ref): Likewise.
7806 (add_AT_loc): Likewise.
7807 (add_AT_loc_list): Likewise.
7808 (add_AT_addr): Likewise.
7809 (add_AT_lbl_id): Likewise.
7810 (add_AT_lineptr): Likewise.
7811 (add_AT_macptr): Likewise.
7812 (add_AT_offset): Likewise.
7813 (add_AT_range_list): Likewise.
7814 (get_AT): Use VEC_iterate.
7815 (remove_AT): Use VEC_ordered_remove.
7816 (free_die): Fold remove_children into here; have it use VEC_iterate.
7817 (print_die): Use VEC_iterate on attrs.
7818 (reverse_die_lists): Don't reverse attr lists.
7819 (die_checksum): Use VEC_iterate on attrs.
7820 (same_die_p): Likewise.
7821 (output_location_lists): Likewise.
7822 (build_abbrev_table): Likewise.
7823 (size_of_die): Likewise.
7824 (unmark_all_dies): Likewise.
7825 (output_abbrev_section): Likewise.
7826 (output_die): Likewise.
7827 (prune_unused_types_walk_attribs): Likewise.
7829 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7831 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7833 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7836 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7838 2006-04-09 Roger Sayle <roger@eyesopen.com>
7840 * expr.c (store_constructor): Don't bother clearing target if
7841 we're about to assign a vector to it using vec_init_optab.
7843 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7845 * tree-ssa-alias.c (lhs_may_store_to): New function.
7846 (recalculate_used_alone): Handle LHS of calls.
7848 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7852 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7853 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7854 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7855 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7856 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7857 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7858 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7859 stubs. Add ".align 8" directives before all ".dword" directives.
7860 (GTHREAD_USE_WEAK): Revise comment.
7861 (TARGET_ATTRIBUTE_WEAK): Define.
7862 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7863 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7864 * stublib.c: New file.
7869 * pa.md (cbranch patterns): Revise arguments used in calls to
7870 output_cbranch, output_bb and output_bvd. Add long branch length
7872 (fbranch patterns): Handle long branches.
7873 (jump): Revise length check. Revise arguments for output_lbranch call.
7874 Add long branch length attributes.
7875 (decrement_and_branch_until_zero): Add long branch length attributes.
7876 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7877 Likewise. Revise arguments for output_parallel_addb and
7878 output_parallel_movb calls.
7879 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7880 output_parallel_movb and output_parallel_addb): Update prototypes.
7881 * pa.c (output_cbranch): Revise arguments. Correct handling of
7882 nullification in long branches.
7883 (output_lbranch): Add new argument to control extraction of delay
7885 (output_bb): Handle long branches.
7886 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7887 output_parallel_addb): Likewise.
7889 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7891 PR rtl-optimization/27073
7892 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7895 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7897 * tree.h (tree_memory_tag): Add old_used_alone.
7898 (SMT_OLD_USED_ALONE): New macro.
7899 * tree-ssa-alias.c (recalculate_used_alone): Stop
7900 marking things for renaming unnecessarily.
7902 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7904 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7905 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7906 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7907 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7908 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7909 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7910 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7911 spelling convensions.
7912 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7913 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7914 typos. Follow spelling conventions.
7916 2006-04-07 DJ Delorie <dj@redhat.com>
7918 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7919 passed on the stack.
7920 (m32c_init_cumulative_args): When a function returns a structure,
7921 always pass the pointer to that return area on the stack.
7922 (m32c_function_arg_advance): Don't increment the parameter number
7923 if we're processing the returned structure pointer.
7924 (pushm_info): Reverse order of registers.
7926 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7928 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7929 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7930 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7931 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7933 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7934 chrec_fold_multiply): Same.
7935 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7936 force_expr_to_var_cost): Same.
7937 * tree-mudflap.c (mf_xform_derefs_1): Same.
7938 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7940 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7942 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7943 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7946 2006-04-07 Jan Hubicka <jh@suse.cz>
7948 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7950 2006-04-07 Richard Guenther <rguenther@suse.de>
7952 PR tree-optimization/26135
7953 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7954 loads for store copy-prop.
7955 (copy_prop_visit_stmt): Likewise.
7957 2006-04-05 Robert Millan <robertmh@gnu.org>
7959 * config/i386/linux.h: Add a comment to mark macros that are
7960 being overriden in config/k*bsd-gnu.h.
7961 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7963 * config/knetbsd-gnu.h: Ditto.
7965 2006-04-06 Jan Hubicka <jh@suse.cz>
7969 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7972 2006-04-06 Mike Stump <mrs@apple.com>
7974 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7975 for HAVE_nonlocal_goto to be consistent.
7976 (expand_builtin_nonlocal_goto): Likewise.
7977 (expand_builtin_strcmp): Use #ifdef instead of #if
7978 for HAVE_cmpstrnsi to be consistent.
7980 2006-04-05 DJ Delorie <dj@redhat.com>
7982 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7985 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7987 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7988 got-relative addressing for anything but SImode.
7990 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7991 even if the calling function doesn't modify them.
7993 2006-04-05 Richard Guenther <rguenther@suse.de>
7995 PR tree-optimization/26919
7996 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7997 to cgraph_estimate_size_after_inlining.
7999 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8001 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8003 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8005 PR tree-optimization/26996
8006 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8007 VECTOR_TYPE variables.
8009 2006-04-05 Richard Guenther <rguenther@suse.de>
8011 PR tree-optimization/26763
8012 * fold-const.c (fold_comparison): Move folding of
8013 PTR + CST CMP PTR + CST ...
8014 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8016 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8018 * doc/install.texi (Prerequisites): Refine some wording on
8019 bootstrapping and ksh.
8020 Move the version numbers of DejaGnu here from the testing section
8021 and fix casing of names.
8022 Fix markup and clarify wording for autogen requirements.
8023 Refer to GCJ instead of just java.
8024 Refer to SVN instead of CVS.
8025 Describe diffutils as useful instead of necessary.
8026 (Downloading the source): Refer to SVN instead of CVS.
8027 Adjust a link to our web site accordingly.
8028 (Configuration): Fix casing of Bison.
8029 (Building): Refer to SVN instead of CVS.
8030 Fix a sentence on the use of Bison and remove duplicate (and
8031 incorrect) version number of Bison requirement.
8032 Remove one redundant list of packages needed for building.
8033 (Specific): Avoid reference to CVS.
8035 2006-04-04 Eric Christopher <echristo@apple.com>
8037 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8038 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8039 (rs6000_handle_struct_attribute): New.
8040 (rs6000_ms_bitfield_layout_p): Ditto.
8042 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8044 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8045 NULL for dso parameter to atexit_common.
8047 2006-04-04 Eric Christopher <echristo@apple.com>
8049 * config/i386/i386.c (machopic_output_stub): Output \t
8050 between instructions and operands.
8052 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8054 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8055 satisfies_constraint_[IL] to explicit tests on value.
8057 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8059 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8060 set_nb_iterations_in_loop): Use build_int_cst instead of
8062 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8063 build_int_cst instead of convert.
8065 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8067 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8068 new value 2 for incoming.
8069 * function.c (expand_function_start): Call struct_value_rtx
8071 * config/sparc/sparc.md: Comment updated_return.
8072 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8073 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8074 struct return if sparc_std_struct_return and incoming is 2.
8075 (print_operand): Do not adjust return if
8076 sparc_std_struct_return.
8078 2006-04-04 Roger Sayle <roger@eyesopen.com>
8080 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8081 convert in the middle-end.
8082 * expr.c (store_expr, store_constructor, get_inner_reference,
8083 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8085 * tree.c (build_range_type): Likewise.
8087 2006-04-04 Tom Tromey <tromey@redhat.com>
8089 * doc/install.texi (Prerequisites): Mention jar.
8091 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8093 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8096 2006-04-04 Matthias Klose <doko@debian.org>
8098 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8102 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8105 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8107 * doc/extend.texi (Function Attributes): Rewrite visibility
8108 attribute documentation.
8109 * doc/invoke.texi (C++ Dialect Options): Rewrite
8110 -fvisibility-inlines-hidden documentation to describe something
8111 entirely different, although in practise compatible.
8112 (Code Gen Options): Warn about system headers in -fvisibility=
8115 * doc/extend.texi (Other Builtins): Document that
8116 __builtin_nan is a compile-time constant only when its argument
8119 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8121 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8122 trying to remove TRUNCATE check if all bits outside the new mode
8123 are identical to the sign bit.
8125 2006-04-03 Jeff Law <law@redhat.com>
8127 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8128 and operand scanning in some common cases.
8130 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8131 Dale Johannesen <dalej@apple.com>
8134 * regclass.c (struct reg_pref): Update documentation.
8135 (regclass): Set prefclass to NO_REGS if memory is the best option.
8136 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8137 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8138 into account. For non-registers, equate an empty preferred
8139 reload class to a `!' in the constraint; move the if clause to
8140 do so after those that reject the insn.
8141 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8143 (find_dummy_reload): Likewise.
8144 * doc/tm.texi (Register Classes): Document what it means
8145 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8146 * config/i386/i386.c (ix86_preferred_reload_class): Force
8147 using SSE registers (and return NO_REGS for floating-point
8148 constants) if math is done with SSE.
8149 (ix86_preferred_output_reload_class): New.
8150 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8151 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8152 * config/i386/i386.md: Remove # register preferences.
8154 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8157 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8158 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8159 the type of nb_iter.
8160 (instantiate_parameters_1): Convert the operands before calling
8161 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8162 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8164 2006-04-02 Roger Sayle <roger@eyesopen.com>
8166 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8167 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8169 * dojump.c (do_jump): Likewise.
8170 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8171 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8172 gimplify_boolean_expr): Likewise.
8173 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8174 * varasm.c (array_size_for_constructor): Likewise.
8175 * tree-object-size.c (compute_object_offset): Likewise.
8177 2006-04-02 Roger Sayle <roger@eyesopen.com>
8180 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8181 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8183 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8185 PR tree-optimization/26939
8186 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8188 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8190 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8191 at_stmt. Convert the type of operands before calling
8192 build_polynomial_chrec.
8193 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8195 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8196 (instantiate_parameters_1): Convert the type of operands before calling
8197 build_polynomial_chrec.
8198 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8199 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8200 reset_evolution_in_loop): Insert asserts to check the types of the
8202 (chrec_type): Moved...
8203 (eq_evolutions_p): Use operand_equal_p.
8204 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8205 the types of the operands.
8206 (chrec_type): ...here.
8207 * tree-data-ref.c (create_data_ref): Convert the operands before
8208 calling chrec_replace_initial_condition.
8209 (same_access_functions, analyze_subscript_affine_affine,
8210 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8211 (compute_subscript_distance, analyze_ziv_subscript,
8212 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8213 analyze_miv_subscript): Convert the operands before calling
8214 chrec_fold_minus or chrec_fold_plus.
8216 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8218 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8219 the dependence_relations vector.
8220 (compute_data_dependences_for_loop): Adjust call to
8221 compute_all_dependences.
8223 2006-04-01 Roger Sayle <roger@eyesopen.com>
8224 Richard Henderson <rth@redhat.com>
8226 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8227 gimple_boolify on the condition before calling gimplify_expr.
8229 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8231 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8232 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8233 the frame size. Update to use the new macros.
8234 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8235 * config/xtensa/ieee754-df.S: Likewise.
8237 2006-03-31 Richard Henderson <rth@redhat.com>
8239 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8240 (make_edges): ... here. Control fallthru creation with a local
8241 variable. Do not play with fake edges.
8242 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8243 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8246 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8248 * dwarf2.h (DW64_CIE_ID): Define.
8249 * dwarf2out.c (DWARF_CIE_ID): Define.
8250 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8251 length header. Use DWARF_CIE_ID.
8252 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8253 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8255 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8257 * config/sh/linux-atomic.asm: New file.
8258 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8260 2006-03-31 DJ Delorie <dj@redhat.com>
8262 * config/m32c/cond.md: Set condition flags properly throughout.
8263 * config/m32c/minmax.md: Likewise.
8264 * config/m32c/prologue.md: Likewise.
8265 * config/m32c/bitops.md: Likewise.
8266 * config/m32c/muldiv.md: Likewise.
8267 * config/m32c/mov.md: Likewise.
8268 * config/m32c/addsub.md: Likewise.
8269 * config/m32c/m32c.md: Likewise.
8270 * config/m32c/jump.md: Likewise.
8271 * config/m32c/shift.md: Likewise.
8273 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8274 conditionally output the pattern for this.
8275 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8276 (m32c_compare_redundant): New.
8277 (m32c_output_compare): New.
8278 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8280 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8281 dest, not src. Allow other 4-byte modes.
8283 2006-03-30 Denis Chertykov <denisc@overta.ru>
8285 * doc/md.texi: Refer to avr/constraints.md instead of
8288 2006-03-30 Roger Sayle <roger@eyesopen.com>
8290 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8291 signed vs. unsigned comparison failures on some hosts.
8293 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8296 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8297 change to FLOAT_REGS.
8299 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8300 (rs6000_override_options): Use it.
8301 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8302 only for -mabi=spe/no-spe and -mabi=altivec.
8304 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8306 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8309 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8311 * Makefile.in: Rename docdir to gcc_docdir.
8313 2006-03-30 Roger Sayle <roger@eyesopen.com>
8316 * expr.c (emit_group_store): Optimize group stores into a pseudo
8317 register by using a paradoxical subreg to initialize the destination
8318 if the first or last member of the group specifies a "low part".
8320 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8323 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8324 * target.h (struct gcc_target.speculate_insn): Change type of the
8325 second parameter to 'int'.
8326 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8327 the second operand of the DEPS_LIST.
8328 (copy_DEPS_LIST_list): Update reference to the second operand of the
8330 * rtl.h (alloc_DEPS_LIST): Update signature.
8331 * sched-int.h (ds_t): Change typedef to 'int'.
8332 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8334 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8336 * haifa-sched.c (try_ready): Change condition to restore
8337 non-speculative pattern of the instruction.
8338 (process_insn_depend_be_in_spec): Code to keep probability of the
8339 speculative dependence non-decreasing.
8341 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8343 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8344 (single_move_for_movmem): ... this. Also change all uses.
8345 (bfin_expand_strmov): Renamed to...
8346 (bfin_expand_movmem): ... this. Also change all uses.
8347 * config/bfin/bfin.md (movstrsi): Renamed to...
8348 (movstrsi): ...this.
8350 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8352 PR tree-optimization/26830
8354 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8355 (copy_prop_visit_stmt): Remove write-only variable ann.
8356 (init_copy_prop): Check variable loop depth here. Do not simulate
8357 memory-tag and virtual operand PHIs except for store copy prop.
8359 2006-03-30 Richard Guenther <rguenther@suse.de>
8361 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8362 variants with double arguments.
8364 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8366 * genpreds.c (write_tm_constrs_h): Delete variable p.
8367 * genconditions.c (write_header): Add tm-constrs.h to included
8369 * genpeep.c (main): Add toplev.h to included headers.
8370 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8371 (build/genpeep.o): Add toplev.h dependency.
8372 * config/rs6000/constraints.md: Add "W" constraint.
8374 2006-03-29 Roger Sayle <roger@eyesopen.com>
8376 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8377 sizes by correctly testing whether the size fits a host integer.
8378 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8379 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8380 SImode range for the default sizetype and bitsizetype.
8382 2006-03-29 Roger Sayle <roger@eyesopen.com>
8384 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8385 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8386 quickly if the argument is already of the correct type.
8387 Call fold_build1 instead of build1. Tidy up blank lines.
8389 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8391 * genemit.c (main): Add tm-constrs.h to included headers.
8392 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8393 * genpeep.c (main): Add tm-constrs.h to included headers.
8394 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8395 (write_tm_constrs_h): this and write complete file.
8396 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8397 (write_insn_preds_c): Add tm-constrs.h to included headers.
8398 (gen_constrs): New variable.
8399 (parse_option): Parse "-c".
8400 (main): Invoke write_tm_constrs_h.
8401 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8402 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8403 (object_out_file): Add tm-constrs.h dependency.
8404 (insn-emit.o): Same.
8405 (insn-output.o): Same.
8406 (insn-peep.o): Same.
8407 (insn-preds.o): Same.
8408 (insn-recog.o): Same.
8409 (tm-constsr.h): New target.
8410 (s-constrs-h): New target.
8412 * config/rs6000/constraints.md: New file.
8413 * config/rs6000/rs6000.c: Include tm-constrs.h.
8414 (num_insn_constant_wide): Convert to satisfies_constraint.
8415 (rs6000_rtx_costs): Convert to satisfies_constraint.
8416 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8417 (CONST_OK_FOR_LETTER_P): Delete.
8418 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8419 (EXTRA_CONSTRAINT): Delete.
8420 (EXTRA_MEMORY_CONSTRAINT): Delete.
8421 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8422 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8423 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8424 satisfies_constraint.
8426 * config/i386/i386.c: Include tm-constrs.h.
8428 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8430 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8431 * tree-data-ref.c (find_data_references_in_loop,
8432 compute_data_dependences_for_loop): Use pointers to VEC.
8433 (analyze_all_data_dependences): Adjust calls.
8434 * tree-data-ref.h (find_data_references_in_loop,
8435 compute_data_dependences_for_loop): Adjust declarations.
8436 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8437 compute_data_dependences_for_loop.
8439 2006-03-29 Paul Brook <paul@codesourcery.com>
8441 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8444 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8446 PR tree-optimization/26859
8447 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8449 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8450 for the step after fold_convert.
8452 2006-03-29 Paul Brook <paul@codesourcery.com>
8454 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8455 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8457 2006-03-29 Paul Brook <paul@codesourcery.com>
8460 * targhooks.c (default_narrow_bitfield): New fuction.
8461 * targhooks.h (default_narrow_bitfield): add prototype.
8462 * target.h (gcc_target): Add narrow_volatile_bitfield.
8463 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8464 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8465 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8466 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8468 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8470 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8472 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8473 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8474 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8475 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8476 (s390_function_arg_float): Allow SDmode and DDmode values to be
8477 passed in floating point registers.
8478 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8479 check with SCALAR_FLOAT_MODE_P.
8480 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8482 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8484 PR tree-optimization/25985
8485 * tree-ssa-loop-niter.c (number_of_iterations_le,
8486 number_of_iterations_ne): Make comments more precise.
8487 (number_of_iterations_cond): Add only_exit argument. Use the
8488 fact that signed variables do not overflow only when only_exit
8490 (loop_only_exit_p): New.
8491 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8492 number_of_iterations_cond.
8494 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8496 PR tree-optimization/26643
8497 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8500 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8502 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8503 (divsi3_i4_int): Likewise.
8505 2006-03-28 Roger Sayle <roger@eyesopen.com>
8507 * expr.c (emit_group_store): Only create a new pseudo reg if the
8508 quantity it needs to hold isn't already a suitable pseudo.
8510 2006-03-28 Jeff Law <law@redhat.com>
8512 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8513 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8515 2006-03-28 Roger Sayle <roger@eyesopen.com>
8517 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8518 the equivalent ~X & Y, and the symmetry related transformations.
8519 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8520 ~X & Y, and symmetry related transforms.
8522 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8524 Revert my 2006-03-27 patches.
8526 2006-03-28 Roger Sayle <roger@eyesopen.com>
8528 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8529 ~(T1)X, when T1 and T2 are integer types of the same precision
8530 and (T2)X isn't an extension.
8532 2006-03-28 Jeff Law <law@redhat.com>
8534 PR tree-optimization/26796
8535 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8536 need EH edge cleanups rather than purging them immediately.
8537 (eliminate_degenerate_phis): Handle queued EH cleanups.
8539 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8541 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8544 2006-03-27 Roger Sayle <roger@eyesopen.com>
8547 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8548 cast BIT_NOT_EXPR operand to the correct type.
8550 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8552 * tree-loop-linear.c: Don't include varray.h.
8553 (gather_interchange_stats, try_interchange_loops,
8554 linear_transform_loops): Use VEC instead of VARRAY.
8555 * lambda-mat.c: Don't include varray.h.
8556 * tree-chrec.c: Same.
8557 * lambda-trans.c: Same.
8558 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8559 VEC instead of VARRAY.
8560 * tree-vectorizer.h: Idem.
8561 * tree-data-ref.c (dump_data_references,
8562 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8563 initialize_data_dependence_relation, finalize_ddr_dependent,
8564 compute_all_dependences, find_data_references_in_loop,
8565 compute_data_dependences_for_loop, analyze_all_data_dependences,
8566 free_dependence_relation, free_dependence_relations,
8567 free_data_refs): Idem.
8568 * tree-data-ref.h (data_reference_p, subscript_p): New.
8569 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8570 VEC instead of VARRAY.
8571 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8572 (find_data_references_in_loop, compute_data_dependences_for_loop,
8573 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8574 dump_data_dependence_relations, free_dependence_relations,
8575 free_data_refs): Adjust declaration.
8576 (lambda_transform_legal_p): Move declaration here...
8577 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8578 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8579 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8580 vect_analyze_data_refs): Use VEC instead of VARRAY.
8581 * lambda.h (lambda_transform_legal_p): ...from here.
8582 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8583 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8584 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8585 tree-chrec.o): Don't depend on VARRAY_H.
8587 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8589 * rtl.def (Copyright): Update date.
8590 (DEPS_LIST): Change type of the second operand to 'int'.
8591 * target.h (Copyright): Update date.
8592 (struct gcc_target.speculate_insn): Change type of the second parameter
8594 * lists.c (Copyright): Update date.
8595 (alloc_DEPS_LIST): Change signature. Update reference to the second
8596 operand of the DEPS_LIST.
8597 (copy_DEPS_LIST_list): Update reference to the second operand of the
8599 * rtl.h (Copyright): Update date.
8600 (alloc_DEPS_LIST): Update signature.
8601 * sched-int.h (Copyright): Update date.
8602 (ds_t): Change typedef to 'int'.
8603 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8605 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8607 * haifa-sched.c (Copyright): Update date.
8608 (try_ready): Change condition to restore non-speculative pattern
8610 (process_insn_depend_be_in_spec): Code to keep probability of the
8611 speculative dependence non-decreasing.
8613 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8615 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8616 shut up the compiler.
8618 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8620 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8621 to use lib prefix for target.
8622 ($(T)libic_invalidate_array_4-200.a): Likewise.
8623 ($(T)libic_invalidate_array_4a.a): Likewise.
8625 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8626 J"orn Rennecke <joern.rennecke@st.com>
8628 * superh.opt: New file.
8629 * sh.c (boardtype, osruntime): Remove.
8630 * superh.h (SUBTARGET_OPTIONS): Remove.
8631 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8633 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8634 arguments with ^ and/or [].
8636 * config.gcc (sh-*-*): Add quoting to account for quirk of
8638 Replace == with = in enable_incomplete_targets test.
8640 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8641 with MASK_LITTLE_ENDIAN.
8643 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8644 * config/sh/sh.opt: Added to some comments.
8645 * config/sh/superh.h: Removed some chaff.
8647 * config/sh/sh.opt: Add m4-[1234]00* options.
8648 * config/sh/sh.c (sh_handle_option): Likewise.
8649 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8650 (ic_invalidate_array_4-100.o): New rule.
8651 ($(T)libic_invalidate_array_4-100.a): Likewise.
8652 (ic_invalidate_array_4-200.o): Likewise.
8653 ($(T)libic_invalidate_array_4-200.a): Likewise.
8654 (ic_invalidate_array_4a.o): Likewise.
8655 ($(T)libic_invalidate_array_4a.a): Likewise.
8656 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8657 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8659 * config/sh/crt1.asm: Merged in profiling code.
8660 * config/sh/superh.h (STARTFILE_SPEC): Override.
8661 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8662 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8663 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8665 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8666 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8667 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8669 * sh.opt (mpretend-cmove): New option.
8670 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8671 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8672 (movsicc): Add TARGET_PRETEND_CMOVE code.
8674 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8676 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8677 s390_class_max_nregs): New function prototypes.
8678 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8679 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8680 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8681 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8683 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8685 * dwarf2out.c (add_location_or_const_value_attribute): Call
8686 tree_add_const_value_attribute if nothing else works.
8687 (reference_to_unused): New.
8688 (rtl_for_decl_init): Use reference_to_unused to decide whether
8689 to output an initializer.
8691 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8694 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8695 peephole removing spe frob_di_df_2.
8697 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8699 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8700 (subscript_dependence_tester_1): Declared.
8701 (print_dir_vectors, print_dist_vectors): New.
8702 (debug_data_dependence_relation): New.
8703 (dump_data_dependence_relation): Print more details.
8704 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8705 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8706 (save_dist_v, save_dir_v, add_outer_distances,
8707 build_classic_dist_vector_1): New.
8708 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8709 Don't test for lambda_vector_lexico_pos.
8710 (same_access_functions, add_multivariate_self_dist,
8711 add_other_self_distances, dir_from_dist): New.
8712 (build_classic_dir_vector): Replace implementation almost identical to
8713 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8715 (subscript_dependence_tester_1): New.
8716 (subscript_dependence_tester): Handle the lexicographically negative
8717 distance vectors by recomputing the dependence relation.
8718 (compute_affine_dependence): Remove parameter loop_nest_depth.
8719 (compute_self_dependence): Don't call compute_subscript_distance.
8720 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8721 Add a parameter for the loop_nest.
8722 (find_loop_nest_1, find_loop_nest): New.
8723 (compute_data_dependences_for_loop): Compute the loop nest, and give
8724 up if the nest is not well formed.
8725 * tree-data-ref.h (loop_p): New.
8726 (struct data_dependence_relation): Replace size_vect field with
8727 loop_nest, a vec of loops.
8728 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8729 (DDR_LOOP_NEST): New.
8730 (print_dir_vectors, print_dist_vectors,
8731 debug_data_dependence_relation): Declared.
8732 (index_in_loop_nest): New.
8733 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8734 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8737 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8739 * simplify-rtx.c (simplify_relational_operation): Call
8740 simplify_relational_operation_1 even if mode is VOIDmode.
8742 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8744 PR tree-optimization/26804
8745 * tree.h (DECL_CALL_CLOBBERED): New macro.
8746 (tree_decl_common): Add call_clobbered_flag.
8747 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8748 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8749 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8750 (mark_non_addressable): Ditto.
8751 * tree-ssa.c (verify_call_clobbered): New function.
8752 (verify_alias_info): Use it.
8753 * tree-pass.h (pass_reset_cc_flags): New prototype.
8754 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8755 (reset_cc_flags): New function.
8756 * passes.c (init_optimization_passes): Call reset_cc_flags after
8757 initializing referenced_vars.
8759 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8760 Roger Sayle <roger@eyesopen.com>
8763 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8764 to 1.0 for non-real operands. Implement A / A optimization for
8767 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8769 * config/i386/i386.c (size_cost): Correct the comment for
8770 cost of storing fp registers.
8771 (i386_cost): Likewise.
8772 (i486_cost): Likewise.
8773 (pentium_cost): Likewise.
8774 (pentiumpro_cost): Likewise.
8775 (k6_cost): Likewise.
8776 (athlon_cost): Likewise.
8777 (k8_cost): Likewise.
8778 (pentium4_cost): Likewise.
8779 (nocona_cost): Likewise.
8780 (generic64_cost): Likewise.
8781 (generic32_cost): Likewise.
8783 2006-03-24 Denis Chertykov <denisc@overta.ru>
8785 * config/avr/avr-protos.h (extra_constraint): Delete.
8786 (extra_constraint_Q): New declaration.
8787 * config/avr/constraints.md: New file.
8788 * config/avr/avr.md: Include it.
8789 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8790 (TMP_REGNO, ZERO_REGNO): Likewise.
8791 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8792 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8793 (extra_constraint): Delete.
8794 (extra_constraint_Q): Test for memory constraint 'Q'.
8795 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8796 (REG_CLASS_FROM_LETTER): Delete.
8797 (CONST_OK_FOR_LETTER_P): Delete.
8798 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8799 (EXTRA_CONSTRAINT): Delete.
8800 (TMP_REGNO): Delete.
8801 (ZERO_REGNO): Delete.
8803 2006-03-24 Jeff Law <law@redhat.com>
8805 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8806 directly. Call mark_new_vars_to_rename slightly earlier.
8808 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8810 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8812 (gen_compile_unit_die): Use new language types for Objective-C and
8814 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8815 DW_LANG_C_plus_plus.
8818 * config/t-darwin (crt3.o): Work around bug 26840.
8819 * config/darwin-crt3.c: Rewrite.
8820 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8822 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8824 * doc/invoke.texi: Document -femit-class-debug-always
8825 * common.opt: Add -femit-class-debug-always.
8827 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8829 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8830 index and base register.
8831 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8832 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8833 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8834 REGNO_OK_FOR_INDEX_P.
8835 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8837 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8838 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8839 REG_OK_FOR_BASE_P): Definitions removed.
8841 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8844 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8845 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8846 set yet or weren't marked as local yet.
8848 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8850 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8853 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8855 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8856 (rs6000_legitimate_small_data_p): Delete.
8857 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8858 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8859 and make static. Add forward declaration. Update uses.
8860 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8861 of offsettable_memref_p.
8862 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8863 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8865 2006-03-24 Jeff Law <law@redhat.com>
8867 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8868 around bug in immediate-use iterator.
8870 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8873 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8874 or __LITTLE_ENDIAN__.
8876 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8878 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8879 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8880 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8881 * config/sh/sh.opt (mdiv=): Amend description.
8882 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8883 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8884 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8885 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8886 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8887 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8888 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8889 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8890 TARGET_DIVIDE_CALL_FP.
8892 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8894 * haifa-sched.c (choose_ready): Fix type of the local variable.
8895 Move local variables. Add comment.
8896 (check_reg_live): Change signature. Make callable from debugger.
8897 * sched-int.h (check_reg_live): Update signature.
8898 * sched-ebb.c (check_reg_live): Update parameters.
8899 * sched-rgn.c (check_reg_live): Ditto.
8900 (region_head_or_leaf_p): Check pointer before dereferencing.
8901 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8902 before reload on optimization levels below 1.
8904 2006-03-23 Richard Henderson <rth@redhat.com>
8906 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8910 * config/alpha/predicates.md (local_symbolic_operand): Reject
8913 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8916 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8917 expressions which have overflowed constants.
8919 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8921 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8923 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8925 * cfgloopmanip.c (create_loop_notes): Removed.
8926 * final.c (final_scan_insn): Do not handle loop notes.
8927 * jump.c (squeeze_notes): Ditto.
8928 * cfglayout.c (skip_insns_after_block,
8929 duplicate_insn_chain): Ditto.
8930 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8932 * cfgloop.h (create_loop_notes): Declaration removed.
8934 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8936 * varasm.c (output_constant_pool): Restore fnname and fndecl
8938 (assemble_start_function): Adjust call accordingly.
8939 (assemble_end_function): Likewise.
8941 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8944 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8947 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8949 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8952 * system.h (ICE_EXIT_CODE): New macro.
8953 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8954 (diagnostic_action_after_output): Likewise.
8955 * gcc.c (fatal_ice): New function.
8956 (execute): Use it instead of fatal.
8957 (fancy_abort): Likewise.
8958 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8960 2006-03-22 Jeff Law <law@redhat.com>
8962 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8963 iv_analyze_result returning false.
8965 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8967 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8969 2006-03-22 Richard Henderson <rth@redhat.com>
8972 * except.c (duplicate_eh_regions_0): New.
8973 (duplicate_eh_region_1): Duplicate the children of the node as
8974 well as the node itself. Link them up properly.
8975 (duplicate_eh_region_2): Merge into ...
8976 (duplicate_eh_regions): ... here. Take copy_region argument, and
8977 copy only a sub-tree if asked. Simplify copying and fixup.
8978 (eh_region_outer_p): New.
8979 * except.h (duplicate_eh_regions): Update decl.
8980 (eh_region_outer_p): Declare.
8981 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8982 (lower_omp_master): Likewise.
8983 (lower_omp_ordered): Likewise.
8984 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8985 (move_stmt_r): Use it to remap labels. Handle recursion vs
8986 remap_decls_p properly.
8987 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8988 (find_outermost_region_in_block): New.
8989 (new_label_mapper): New.
8990 (move_sese_region_to_fn): Copy eh information to the new function
8992 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8994 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8997 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8999 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9000 into shared libraries.
9002 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9004 * doc/md.texi: Refer to i386/constraints.md instead of
9006 * config/i386/constraints.md: New file, extracted from...
9007 * config/i386/predicates.md: ...here.
9008 * config/i386/i386.md: Include constraints.md.
9010 2006-03-21 Jason Merrill <jason@redhat.com>
9012 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9015 * expr.c (init_block_move_fn): Force default visibility.
9016 (init_block_clear_fn): Likewise.
9017 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9018 * targhooks.c (default_external_stack_protect_fail): Likewise.
9020 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9022 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9023 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9024 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9025 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9026 (loadgp): Use mips_current_loadgp_style.
9027 (loadgp_noshared): New pattern.
9028 (sibcall_internal): Use MIPS_CALL.
9029 (sibcall_value_internal): Likewise.
9030 (sibcall_value_multiple_internal): Likewise.
9031 (call_internal): Likewise.
9032 (call_value_internal): Likewise.
9033 (call_value_multiple_internal): Likewise.
9034 (call_split): Use MIPS_CALL and add an 'S' constraint.
9035 (call_value_split): Likewise.
9036 (call_value_multiple_split): Likewise.
9037 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9038 (-mshared): New option.
9039 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9040 (mips_current_loadgp_style): Declare.
9041 * config/mips/mips.c (mips_classify_symbol): Avoid using
9042 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9043 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9044 TARGET_ABSOLUTE_ABICALLS.
9045 (override_options): Adjust comments. Improve the warning that is
9046 issued when -mabicalls and -G are used together.
9047 (mips_file_start): Remove comment.
9048 (mips_current_loadgp_style): New function.
9049 (mips_gnu_local_gp): New variable.
9050 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9052 (mips_output_function_prologue): Use mips_current_laodgp_style.
9053 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9054 the cprestore instruction.
9055 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9056 live for TARGET_ABSOLUTE_ABICALLS.
9057 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9058 (ASM_SPEC): Pass down -mshared and -mno-shared.
9059 (MIPS_CALL): New macro.
9060 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9062 * doc/invoke.texi (-mabicalls): Update documentation.
9063 (-mshared): Document.
9065 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9067 * config/ia64/unwind-hpux.c: New file.
9068 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9070 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9073 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9075 2006-03-21 Jeff Law <law@redhat.com>
9077 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9078 type conversions of a VR_VARYING source to a wider type.
9080 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9082 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9083 tm_file on Solaris 10 and later.
9084 (sparc64-*-solaris2*): Likewise.
9085 (sparc-*-solaris2*): Likewise.
9086 * config/sol26.h: Rename to config/sol2-6.h.
9087 * config/sol2-10.h: New file.
9089 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9092 * tree-ssa-pre.c (create_component_ref_by_pieces):
9095 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9098 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9099 return it immediately.
9101 2006-03-21 Michael Matz <matz@suse.de>
9103 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9105 (remove_arc, add_arc): Update num_out_arcs member.
9106 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9108 (cache_presence): New function.
9109 (compare_states_for_equiv): New function.
9110 (state_is_differed): Don't take number of outargs, adjust callers.
9111 Use new invariant for speeding up.
9112 (init_equiv_class): Create initial classes based on sorted
9114 (partition_equiv_class): Don't track out_arcs_num.
9115 (evaluate_equiv_classes): Call cache_presence on all states and
9118 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9120 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9121 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9122 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9123 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9125 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9126 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9127 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9128 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9129 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9131 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9132 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9133 (REGNO_REG_CLASS): ARGP is in PREGS.
9134 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9136 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9137 to deal with those addresses.
9138 * addresses.h: New file.
9139 * caller-save.c: Include "addresses.h".
9140 (init_caller_save): Use new base_reg_class function.
9141 * rtl-factoring.c: Include "addresses.h".
9142 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9143 * recog.c: Include "addresses.h".
9144 (preprocess_constraints): Use new base_reg_class function.
9145 * regrename.c: Include "addresses.h".
9146 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9147 functions. Keep track of a new var INDEX_CODE to compute valid
9149 (replace_oldest_value_addr): Likewise.
9150 (replace_oldest_value_mem): Use base_reg_class.
9151 * reload.c: Include "addresses.h".
9152 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9153 (find_reloads): Use new base_reg_class function.
9154 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9155 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9156 all callers and prototype changed.
9157 * reload1.c: Include "addresses.h".
9158 (maybe_fix_stack_asms): Use base_reg_class.
9159 * regclass.c: Include "addresses.h".
9160 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9161 (init_reg_autoinc): Use new base_reg_class function.
9162 (record_reg_classes): Likewise.
9163 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9164 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9165 Use new args to compute necessary class.
9167 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9168 regrename.o, rtl-factoring.o): Update dependencies.
9169 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9170 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9171 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9172 REG_OK_FOR_INDEX_P): Delete documentation.
9174 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9176 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9177 from V7 to V9 for Solaris 7 and above.
9179 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9181 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9182 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9183 argument pointers may not alias any other storage.
9184 * common.opt: Define option -fargument-noalias-anything.
9185 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9186 alias semantics is specified by flag_argument_noalias > 2.
9188 2006-03-20 Jeff Law <law@redhat.com>
9190 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9191 (pass_phi_only_cprop): Declare.
9192 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9194 * tree-ssa-dom.c (degenerate_phi_result): New function.
9195 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9196 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9197 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9198 (eliminate_degenerate_phis): Likewise.
9199 (pass_phi_only_cprop): New pass descriptor.
9200 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9201 support code. Callers updated.
9202 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9203 (store_copy_prop): Likewise.
9204 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9206 2006-03-20 Jason Merrill <jason@redhat.com>
9209 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9210 (push_visibility, pop_visibility): Likewise.
9211 * c-pragma.h: Declare them.
9213 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9215 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9217 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9218 parameter and use get_ebb_head_tail.
9219 (sh_md_init_global): Adjust uses of find_regmode_weight.
9221 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9223 * function.h (struct function) <x_tail_recursion_reentry>:
9224 Rename to x_stack_check_probe_note.
9225 (tail_recursion_reentry): Rename to stack_check_probe_note.
9226 * function.c: Replace tail_recursion_reentry with
9227 stack_check_probe_note everywhere.
9228 (expand_function_start): Only emit a note for
9229 stack_check_probe_note with -fstack-protect.
9230 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9232 * emit-rtl.c (remove_unnecessary_notes): Remove.
9233 (pass_remove_unnecessary_notes): Remove.
9234 * rtl.h (remove_unnecessary_notes): Remove prototype.
9235 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9236 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9237 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9239 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9242 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9243 (valid_in_set): Handle ARRAY_REF.
9244 Change "if min_variant or VH" to asserts.
9245 (create_component_ref_by_pieces): Handle ARRAY_REF.
9246 (create_expression_by_pieces): Likewise.
9247 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9249 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9251 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9252 is operand of switch, not str[0].
9254 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9256 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9257 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9259 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9261 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9262 end of insn_extra_address_constraint declaration.
9264 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9266 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9267 (no-sum-in-toc): Same.
9268 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9270 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9271 NO_FP_IN_TOC for -fPIC instead of mask.
9273 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9274 (BOOT_LDFLAGS): Delete.
9276 * config/rs6000/t-aix52: Same.
9278 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9279 (stmsi[345678]_power): New.
9281 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9283 * config/ia64/ia64.opt: Add empty line to end of file.
9285 2006-03-17 Richard Guenther <rguenther@suse.de>
9288 * builtins.c (get_pointer_alignment): For component style references
9289 adjust alignment to the component type alignment. Make sure
9290 to adjust alignment for component access of constants.
9292 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9294 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9297 2006-03-17 Paul Brook <paul@codesourcery.com>
9299 * doc/install.texi: Docuemnt --with-mode.
9300 * config.gcc: Add --with-mode for arm*-*-*.
9301 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9303 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9305 * sh.c (max_labelno_before_reorg): New variable.
9306 (sh_reorg): Initialize it.
9307 (find_barrier): Check max_labelno_before_reorg before using
9308 label_to_alignment. Take length of explicit alignment insns
9309 into account. When seeing a UNSPECV_CONST_END, return it.
9311 * sh.c (fixup_mova): Set mode of affected label to QImode.
9312 (untangle_mova): New function.
9313 (find_barrier): Use it. Check mode of label before decrementing
9315 (sh_reorg): Likewise.
9316 Set mode of all insns back to VOIDmode.
9318 * sh.c (MOVA_LABELREF): New macro.
9319 (mova_p, fixup_mova, sh_reorg): Use it.
9320 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9321 ADDR_DIFF_VEC matches mova.
9323 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9325 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9326 with ATTRIBUTE_UNUSED.
9328 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9330 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9331 pointer, instead of assuming it is possible to derive the
9332 correct args size from a call insn.
9334 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9336 * rtl.h (CONST_INT_P): Define.
9337 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9338 instead of GET_CODE(x) == CONST_INT.
9339 (vax_rtx_costs): Likewise.
9340 (vax_output_int_move): Likewise.
9341 (vax_output_int_add): Likewise.
9342 (legitimate_constant_address_p): Likewise.
9343 (index_term_p): Likewise.
9344 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9345 * config/vax/vax.md (and<mode>3): Likewise.
9346 (ashrsi3): Likewise.
9348 (movstricthi): Likewise.
9349 (movstrictqi): Likewise.
9350 (rotrsi3): Likewise.
9351 (five unnamed insns): Likewise.
9353 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9355 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9356 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9357 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9358 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9359 Pass to ASM_OUTPUT_DWARF_OFFSET.
9360 * dwarf2out.c (debug_frame_section): New.
9361 (output_call_frame_info): Use debug_frame_section. Pass it to
9362 dw2_asm_output_offset.
9363 (output_die): Pass appropriate section to dw2_asm_output_offset.
9364 (output_compilation_unit_header): Likewise.
9365 (output_pubnames): Likewise.
9366 (output_aranges): Likewise.
9367 (enum dw_val_class): Break dw_val_class_lbl_offset into
9368 dw_val_class_lineptr and dw_val_class_macptr.
9369 (add_AT_lbl_offset): Delete.
9370 (add_AT_lineptr): New.
9371 (add_AT_macptr): New.
9372 (AT_lbl): Expect a lineptr or macptr.
9373 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9374 (attr_checksum): Likewise.
9375 (same_dw_val_p): Likewise.
9376 (size_of_die): Likewise.
9377 (value_format): Likewise.
9378 (output_die): Likewise.
9379 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9381 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9382 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9383 * config/darwin-protos.h (darwin_file_start): New.
9384 (darwin_asm_output_dwarf_offset): New.
9385 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9386 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9388 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9389 if not EH section; simplify.
9390 (darwin_file_start): New.
9391 (darwin_asm_output_dwarf_offset): New.
9392 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9394 (DEBUG_INFO_SECTION): Likewise.
9395 (DEBUG_ABBREV_SECTION): Likewise.
9396 (DEBUG_ARANGES_SECTION): Likewise.
9397 (DEBUG_MACINFO_SECTION): Likewise.
9398 (DEBUG_LINE_SECTION): Likewise.
9399 (DEBUG_LOC_SECTION): Likewise.
9400 (DEBUG_PUBNAMES_SECTION): Likewise.
9401 (DEBUG_STR_SECTION): Likewise.
9402 (DEBUG_RANGES_SECTION): Likewise.
9403 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9404 (ASM_OUTPUT_DWARF_OFFSET): New.
9406 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9408 * config.gcc (tm_defines): Always add to previous value rather
9411 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9413 * config/mips/predicates.md (splittable_const_int_operand): New,
9414 split from move_operand.
9415 (splittable_symbolic_operand): New.
9416 (move_operand): Add commentary. Use splittable_const_int_operand.
9417 Inline mips_atomic_symbolic_constant_p.
9418 * config/mips/mips.md: Add combine splitters for handling moves
9419 of splittable_const_int_operands and splittable_symbolic_operands.
9420 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9421 (mips_split_symbol): Declare.
9422 (mips_move_integer): Declare.
9423 * config/mips/mips.c (mips_split_p): Make global.
9424 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9425 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9426 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9427 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9428 (mips_offset_within_object_p): Handle block symbols.
9429 (mips_atomic_symbolic_constant_p): Delete.
9430 (mips_cannot_force_const_mem): Return false for constants that
9431 mips_legitimize_move can handle.
9432 (mips_use_blocks_for_constant_p): New function.
9433 (mips_split_symbol): Make global.
9434 (mips_move_integer): Likewise. Add a temporary register argument.
9435 (mips_legitimize_const_move): Use splittable_const_int_operand and
9436 splittable_symbolic_operand.
9437 (mips_use_anchors_for_symbol_p): New function.
9438 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9439 (mips_split_p): Declare.
9441 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9443 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9444 (mips*-*-linux*): Likewise.
9446 2006-03-16 Roger Sayle <roger@eyesopen.com>
9447 Daniel Speyer <dspeyer@wam.umd.edu>
9450 * tree-dump.c (dump_real): New function.
9451 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9452 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9453 (tree-dump.o): Add $(REAL_H) to the dependencies.
9455 2006-03-16 Roger Sayle <roger@eyesopen.com>
9458 * real.c (real_from_string): If the mantissa is zero, don't bother
9459 parsing the exponent as the result should always be zero.
9461 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9463 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9465 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9467 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9468 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9469 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9470 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9471 ia64_sched_finish_global): New static functions to implement
9472 hooks from gcc_target.sched.
9473 (spec_check_no, max_uid, pending_data_specs): New static variables.
9474 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9475 ia64_spec_check_src_p): New static functions.
9476 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9477 (TARGET_SCHED_ADJUST_COST): Removed.
9478 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9479 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9480 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9481 TARGET_SCHED_GEN_CHECK,
9482 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9483 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9484 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9485 Fixed to handle speculation checks.
9486 (rtx_needs_barrier): Fixed to handle speculative loads and
9488 (ia64_variable_issue): Added code to count speculative loads and their
9490 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9492 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9494 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9496 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9497 (ia64_reorg): Reset stops_p to NULL after it is freed.
9498 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9499 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9500 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9502 (data_speculative, control_speculative, check_load): New attributes.
9503 (mov<mode>_advanced, mov<mode>_speculative,
9504 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9505 zero_extend<mode>di2_speculative,
9506 zero_extend<mode>di2_speculative_advanced): New patterns for
9507 data and control speculative loads.
9508 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9510 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9511 New pattern for data and control speculation checks.
9512 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9513 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9514 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9515 Auxiliary definitions for the patterns.
9516 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9517 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9519 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9521 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9522 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9523 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9524 New resource constraints.
9525 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9527 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9528 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9529 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9530 msched-in-control-spec, msched-ldc, msched-control-ldc,
9531 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9532 msched-prefer-non-control-spec-insns,
9533 msched-count-spec-in-critical-path): New flags to tune speculative
9535 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9536 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9537 msched-in-control-spec, msched-ldc, msched-control-ldc,
9538 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9539 msched-prefer-non-control-spec-insns,
9540 msched-count-spec-in-critical-path): Document new flags.
9542 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9544 * target.h (struct spec_info_def): New opaque declaration.
9545 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9546 speculate_insn, needs_block_p, gen_check,
9547 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9548 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9549 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9550 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9551 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9552 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9554 (TARGET_SCHED): Use new macros.
9555 * rtl.h (copy_DEPS_LIST_list): New prototype.
9556 * sched-int.h (struct sched_info): Change signature of new_ready field,
9557 adjust all initializations. New fields: add_remove_insn,
9558 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9559 region_head_or_leaf_p.
9560 (struct spec_info_def): New structure declaration.
9561 (spec_info_t): New typedef.
9562 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9563 recovery_block, orig_pat.
9564 (glat_start, glat_end): New variables declaraions.
9565 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9567 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9568 DETACH_LIFE_INFO, USE_GLAT.
9569 (enum SPEC_SCHED_FLAGS): New enumeration.
9570 (NOTE_NOTE_BB_P): New macro.
9571 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9572 attach_life_info, debug_spec_status, check_reg_live): New functions.
9573 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9574 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9576 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9577 * ddg.c (get_block_head_tail): Adjust all uses.
9578 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9579 (sms_sched_info): Initialize new fields.
9580 (contributes_to_priority): Removed.
9581 * haifa-sched.c (params.h): New include.
9582 (get_block_head_tail): Adjust all uses.
9583 (ISSUE_POINTS): New macro.
9584 (glat_start, glat_end): New global variables.
9585 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9586 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9587 old_last_basic_block, before_recovery, current_sched_info_var,
9588 rgn_n_insns, luid): New static variables.
9589 (insn_cost1): New function. Move logic from insn_cost to here.
9590 (find_insn_reg_weight1): New function. Move logic from
9591 find_insn_reg_weight to here.
9592 (reemit_notes, move_insn, max_issue): Change signature.
9593 (move_insn1): Removed.
9594 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9595 extend_bb): New static functions to support extension of scheduler's
9597 (generate_recovery_code, process_insn_depend_be_in_spec,
9598 begin_speculative_block, add_to_speculative_block,
9599 init_before_recovery, create_recovery_block, create_check_block_twin,
9600 fix_recovery_deps): New static functions to support
9601 generation of recovery code.
9602 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9603 restore_bb_notes, move_block_after_check, move_succs): New static
9604 functions to support ebb scheduling.
9605 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9606 functions to support handling of register live information.
9607 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9608 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9609 add_jump_dependencies): New static functions.
9610 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9611 consistancy checking.
9612 (debug_spec_status): New function to call from debugger.
9613 (priority): Added code to handle speculation checks.
9614 (rank_for_schedule): Added code to distinguish speculative instructions.
9615 (schedule_insn): Added code to handle speculation checks.
9616 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9617 Fixed to handle ebbs.
9618 (move_insn): Added code to handle ebb scheduling.
9619 (max_issue): Added code to use ISSUE_POINTS of instructions.
9620 (choose_ready): Added code to choose between speculative and
9621 non-speculative instructions.
9622 (schedule_block): Added code to handle ebb scheduling and scheduling of
9623 speculative instructions.
9624 (sched_init): Initialize new variables.
9625 (sched_finish): Free new variables. Print statistics.
9626 (try_ready): Added code to handle speculative instructions.
9627 * lists.c (copy_DEPS_LIST_list): New function.
9628 * sched-deps.c (extend_dependency_caches): New function. Move logic
9629 from create_dependency_caches to here.
9630 (get_dep_weak, ds_merge): Make global.
9631 * genattr.c (main): Code to output prototype for
9632 dfa_clear_single_insn_cache.
9633 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9634 (output_dfa_clean_insn_cache_func): Code to output
9635 dfa_clear_single_insn_cache function.
9636 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9638 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9640 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9641 New static variables.
9642 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9643 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9645 (ebb_sched_info): Initialize new fields.
9646 (get_block_head_tail): Adjust all uses.
9647 (compute_jump_reg_dependencies): Fixed to use glat_start.
9648 (schedule_ebb): Code to remove unreachable last block.
9649 (schedule_ebbs): Added code to update register live information.
9650 * sched-rgn.c (region_sched_info): Initialize new fields.
9651 (get_block_head_tail): Adjust all uses.
9652 (last_was_jump): Removed. Adjust users.
9653 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9654 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9655 Implement new hooks.
9656 (check_dead_notes1): New static function.
9657 (struct region): New fields: dont_calc_deps, has_real_ebb.
9658 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9659 (BB_TO_BLOCK): Fixed to handle EBBs.
9660 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9661 (ebb_head): New static variable.
9662 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9663 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9665 (compute_dom_prob_ps): New assertion.
9666 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9667 global_live_at_start.
9668 (init_ready_list): New assertions.
9669 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9670 (new_ready): Add support for BEGIN_CONTROL speculation.
9671 (schedule_insns): Fixed code that updates register live information
9673 (schedule_region): Fixed to handle EBBs.
9674 (init_regions): Use extend_regions and check_dead_notes1.
9675 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9676 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9677 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9678 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9679 TARGET_SCHED_GEN_CHECK,
9680 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9681 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9682 * doc/invoke.texi (max-sched-insn-conflict-delay,
9683 sched-spec-prob-cutoff): Document.
9685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9687 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9688 inter_tick, queue_index.
9689 (struct sched_info): Change signature of init_ready_list field.
9690 Adjust all initializations.
9691 (RESOLVED_DEPS): New access macro.
9692 (ready_add): Remove prototype.
9693 (try_ready): Add prototype.
9694 * sched-rgn.c (init_ready_list): Use try_ready.
9695 (schedule_region): Initialize
9696 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9697 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9698 (init_ready_list): Use try_ready.
9699 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9700 * lists.c (remove_list_elem): Remove `static'.
9701 (remove_free_INSN_LIST_elem): New function.
9702 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9703 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9704 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9706 (readyp): New variable.
9707 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9708 change_queue_index, resolve_dep): New static functions.
9709 (try_ready): New function. Adjust callers in sched-rgn.c and
9710 sched-ebb.c to use it instead of ready_add.
9711 (clock_var): Move at the begining of file.
9712 (rank_for_schedule): Fix typo.
9713 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9714 (ready_lastpos): Enforce assertion.
9715 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9717 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9718 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9719 (queue_to_ready): Use free_INSN_LIST_list.
9720 (early_queue_to_ready): Fix typo.
9721 (schedule_block): Init readyp. Move init_ready_list call after the
9722 initialization of clock_var. Fix error in rejecting insn by
9723 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9724 that previously corrected INSN_TICKs. Add code for handling
9726 (set_priorities): Fix typo.
9727 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9728 Clarify comment and code that keeps current_sched_info->next_tail
9731 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9733 * sched-rgn.c (extend_rgns): New static function.
9734 (find_rgns): Use it.
9735 (gather_region_statistics, print_region_statistics): New static
9737 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9738 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9741 Andrey Belevantsev <abel@ispras.ru>
9743 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9744 * lists.c (unused_deps_list): New variable.
9745 (free_list): Add assertions to verify the proper distinguishing
9746 between INSN_LISTs and DEPS_LISTs.
9747 (find_list_elem, remove_list_elem, remove_list_node): New static
9749 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9750 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9751 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9752 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9754 (free_INSN_LIST_node): Likewise.
9755 * modulo-sched.c (current_sched_info): Initialize flags field.
9756 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9757 * rtl.def (DEPS_LIST): Define.
9758 * rtl.h: Declare new functions from lists.c.
9759 * sched-deps.c (spec_dependency_cache): New static variable.
9760 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9761 (add_dependence): Change return type to void. Move the logic to ...
9762 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9763 (delete_all_dependences): Add comment about forward_dependency_cache.
9764 Handle spec_dependency_cache. Handle DEPS_LISTs.
9765 (fixup_sched_groups): Clarify the change of priority of output
9766 and anti dependencies.
9767 (sched_analyze_2): Adjust add_dependence calls to create data
9768 speculative dependence.
9769 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9770 Adjust all callers. Handle DEPS_LISTS.
9771 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9772 presence of speculation.
9773 (init_dependency_caches, free_dependency_caches):
9774 Handle spec_dependency_cache.
9775 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9776 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9777 New static functions.
9778 (add_or_update_back_dep, add_or_update_back_forw_dep,
9779 add_back_forw_dep, delete_back_forw_dep): New functions.
9780 * sched-int.h (ds_t, dw_t): New typedefs.
9781 (struct sched_info): Add new field flags.
9782 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9783 Prototype new sched-deps.c functions.
9784 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9785 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9786 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9787 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9788 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9789 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9791 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9793 * sched-rgn.c (current_sched_info): Initialize flags field.
9794 (schedule_insns): Initialize current_sched_info before the sched_init
9796 * sched-ebb.c (current_sched_info): Initialize flags field.
9797 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9798 Call add_or_update_back_dep instead of add_dependence.
9799 Create control speculative dependencies.
9800 (schedule_insns): Initialize current_sched_info before the sched_init
9803 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9805 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9807 (sh_fallback_frame_state): Likewise.
9809 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9811 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9812 Do switch on default_use_cxa_atexit.
9813 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9814 * config/darwin-crt3.o: New.
9815 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9816 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9817 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9819 * config/rs6000/t-darwin: Move crt2.o building to here.
9820 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9821 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9824 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9826 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9827 from '! xxx' to '!xxx' for coding-style conformance.
9828 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9829 (EXTRA_CONSTRAINT): Likewise.
9830 * config/vax/vax.md (four unnamed insns): Likewise.
9832 2006-03-15 Paul Brook <paul@codesourcery.com>
9834 * config/arm/arm.c (minipool_pad): New.
9835 (add_minipool_forward_ref): Include pool alignment padding in address
9837 (push_minipool_fix): Set minipool_pad.
9838 (minipool_pad): Ditto.
9840 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9842 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9843 instead of GET_CODE() == MEM and REG_P() instead of
9845 (print_operand_address): Likewise.
9846 (vax_address_cost): Likewise.
9847 (vax_rtx_costs): Likewise.
9848 (vax_notice_update_cc): Likewise.
9849 (vax_output_int_add): Likewise.
9850 (INDEX_REGISTER_P): Likewise.
9851 (BASE_REGISTER_P): Likewise.
9852 (nonindexed_address_p): Likewise.
9853 (vax_mode_dependent_address_p): Likewise.
9854 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9855 (PRINT_OPERAND): Likewise.
9856 * config/vax/vax.md (ashlsi3): Likewise.
9857 (ashlsi3): Likewise.
9858 (some more unnamed insns): Likewise.
9860 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9862 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9863 iterator-style macro.
9864 (mark_control_dependent_edges_necessary): Update the use of
9865 EXECUTE_IF_CONTROL_DEPENDENT.
9867 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9869 * config/sh/predicates.md (cache_address_operand): Special.
9870 (ua_address_operand): Likewise.
9872 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9874 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9876 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9878 2006-03-15 Andreas Schwab <schwab@suse.de>
9880 * gensupport.c (identify_predicable_attribute): Don't free p_false
9881 when it is still in use.
9883 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9885 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9886 the default setting here.
9888 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9890 * tree-pass.h (pass_cfg): Remove.
9891 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9892 * passes.c (pass_cfg): Don't run it.
9894 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9896 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9897 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9899 (stack_regs_mentioned): Update the uses of
9900 stack_regs_mentioned_data. Don't access the array beyond its
9902 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9903 Don't include gt-reg-stack.h.
9905 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9906 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9908 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9911 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9914 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9916 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9918 2006-03-14 Richard Guenther <rguenther@suse.de>
9920 PR tree-optimization/26672
9921 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9924 2006-03-14 Richard Guenther <rguenther@suse.de>
9926 PR tree-optimization/26667
9927 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9928 node for the callees. Always allow inlining if it will shrink
9931 2006-03-14 Richard Guenther <rguenther@suse.de>
9934 * builtins.c (get_pointer_alignment): Prefer alignment
9935 information from decls over that from types.
9937 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9940 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9942 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9944 * config/rs6000/rs6000.opt (mdlmzb): New option.
9945 (msched-prolog, msched-epilog): Use Var not Mask.
9946 * doc/invoke.texi (-mdlmzb): Document.
9947 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9949 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9950 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9952 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9954 PR rtl-optimization/25739
9955 * bt-load.c (augment_live_range): Free tos pointer.
9957 * gensupport.c (identify_predicable_attribute): Free
9959 * gcov.c (create_file_names): Free name pointer.
9961 2006-03-13 Roger Sayle <roger@eyesopen.com>
9964 * stmt.c (emit_case_nodes): Handle the case where the index is a
9965 CONST_INT, where the comparison mode is specified by the index type.
9967 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9969 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9972 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9974 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9975 (*branch_fp_inverted): Likewise.
9977 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9980 * omp-low.c (expand_omp_for_generic): Mark istart0
9981 and iend0 as addressable.
9983 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9985 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9987 2006-03-13 Jeff Law <law@redhat.com>
9989 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9990 virtual operands are interesting.
9991 (vrp_visit_stmt): Corresponding changes.
9993 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9995 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9997 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9998 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9999 * config/bfin/crti.S: Use it instead of __PIC__.
10000 * config/bfin/crtn.S: Likewise.
10002 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10003 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10005 Lose 'G' modifier for call operand.
10006 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10007 recognize 'G' modifier.
10009 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10011 PR middle-end/18859
10012 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10013 * stmt.c (expand_case): Likewise.
10015 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10017 PR rtl-optimization/26254
10018 * loop-invariant.c (seq_insns_valid_p): New function.
10019 (move_invariant_reg): Only emit new code if it is valid.
10021 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10023 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10025 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10026 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10027 (commit_one_edge_insertion): Do not look for loop notes.
10029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10031 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10032 flag_test_coverage out of loop.
10034 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10036 * final.c (shorten_branches): Remove outdated comment, and turn
10037 the if branch that guards it to continue.
10039 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10041 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10042 * cfgloop.h (struct loop): Remove unused fields.
10044 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10046 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10047 (-dL, -fdump-rtl-loop2): Update the dump file names
10049 * doc/invoke.texi: Update dump file names.
10051 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10053 * predict.c (estimate_probability): Remove.
10054 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10055 * basic-block.h (estimate_probability): Remove prototype.
10056 * passes.c (finish_optimization_passes): Dump branch prediction or
10057 profiling heuristics to the .profile tree dump.
10058 (init_optimization_passes): Unqueue pass_branch_prob.
10060 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10062 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10064 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10065 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10067 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10069 * function.h (frame_offset_overflow): Declare.
10070 * function.c (frame_offset_overflow): New function.
10071 (assign_stack_local_1): Call it to detect that the offset overflows.
10072 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10074 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10076 * config/sh/sh.c: Include alloc-pool.h.
10077 (label_ref_list_pool): New alloc pool.
10078 (label_ref_list_t): New type for lists of labels.
10079 (struct pool_node): Make wend a label_ref_list_t.
10080 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10082 (dump_table): Likewise.
10083 (sh_reorg): Set up the alloc pool before using add_constant and
10084 dump_table, and destroy it when finishing.
10086 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10088 * config/mips/mips.c: Remove redundant comment.
10090 2006-03-10 Jason Merrill <jason@redhat.com>
10093 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10094 the target was declared 'register'.
10096 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10098 * genpreds.c (write_insn_constraint_len): Change definition of
10099 insn_constraint_len to return size_t to match the declaration.
10101 2006-03-10 DJ Delorie <dj@redhat.com>
10103 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10105 (m32c_expand_insv): Fix test for an AND mask.
10107 2006-03-10 Richard Guenther <rguenther@suse.de>
10109 PR middle-end/26565
10110 * builtins.c (get_pointer_alignment): Handle component
10111 references for field alignment.
10113 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10115 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10116 when building with libgloss.
10117 (sh*elf): Implement --without-fp option.
10118 (sh64-superh-linux*): Don't multilib.
10120 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10122 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10124 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10126 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10127 Set it when one of the replacement functions returned true.
10128 Return TODO_cleanup_cfg if cfgchanged is true.
10129 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10131 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10133 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10134 instead of gen_lowpart.
10136 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10138 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10140 (mips_output_order_conditional_branch): Declare.
10141 * config/mips/mips.h (MIPS_BRANCH): New macro.
10142 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10143 for the comparison. Use gen_condjump.
10144 (mips_output_conditional_branch): Rework interface to take the
10145 asm templates for a direct branch and the inverse of a direct branch.
10146 (mips_output_order_conditional_branch): New function.
10147 (mips_builtin_branch_and_move): New function.
10148 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10149 branch condition. Use gen_single_cc as the condition for
10150 __builtin_mips_upper_* or __builtin_mips_lower_*.
10151 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10152 Use VOIDmode for the branch condition.
10153 * config/mips/predicates.md (order_operator): New predicate.
10154 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10155 (branch_fp): Rename to...
10156 (*branch_fp): ...this. Remove mode from comparison operator.
10157 Use new mips_output_conditional_branch interface.
10158 (branch_fp_inverted): Rename to...
10159 (*branch_fp_inverted): ...this and update as for *branch_fp.
10160 (*branch_zero<mode>): Rename to...
10161 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10162 Use mips_output_order_conditional_branch. Only accept ordered
10164 (*branch_zero<mode>_inverted): Rename to...
10165 (*branch_order<mode>_inverted): ...this and update as for
10166 *branch_order<mode>.
10167 (*branch_equality<mode>): Accept zero as the second operand to
10168 the equality operator. Use the new mips_output_conditional_branch
10170 (*branch_equality<mode>_inverted): Likewise.
10171 (condjump): New expander.
10172 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10174 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10175 (bc1any2t, bc1any2f): Likewise.
10176 (single_cc): New expander.
10177 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10179 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10181 * doc/md.texi: Update documentation of MIPS constraints.
10182 * config/mips/constraints.md: New file.
10183 * config/mips/mips.md: Include it.
10184 * config/mips/mips.c (mips_char_to_class): Delete.
10185 (override_options): Don't initialize mips_char_to_class.
10186 * config/mips/mips.h (mips_char_to_class): Delete.
10187 (REG_CLASS_FROM_LETTER): Delete.
10188 (CONST_OK_FOR_LETTER_P): Delete.
10189 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10190 (EXTRA_CONSTRAINT_Y): Delete.
10191 (EXTRA_CONSTRAINT_STR): Delete.
10192 (CONSTRAINT_LEN): Delete.
10193 (EXTRA_MEMORY_CONSTRAINT): Delete.
10195 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10197 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10198 original fn's eh regions.
10200 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10202 * fold-const.c (build_range_check): Make sure to use a valid type to
10203 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10206 (range_predecessor): New static function.
10207 (range_successor): Likewise.
10208 (merge_ranges): Use them to compute predecessors and successors of
10211 2006-03-09 Roger Sayle <roger@eyesopen.com>
10213 PR middle-end/26561
10214 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10215 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10217 2006-03-08 DJ Delorie <dj@redhat.com>
10219 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10220 (addpsi3): Expand to include memory operands. Remove
10221 reload-specific splits.
10222 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10223 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10224 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10225 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10226 (shift1_qi, shift1_hi, insv): New.
10227 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10228 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10229 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10231 * config/m32c/m32c-protos.h: Update as needed.
10232 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10233 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10234 Fail for unrecognized R* constraints.
10235 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10236 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10237 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10239 (m32c_init_libfuncs): New.
10240 (m32c_legitimate_address_p): Add debug wrapper.
10241 (m32c_rtx_costs): New.
10242 (m32c_address_cost): New.
10243 (conversions): Add 'B' prefix.
10244 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10245 operands, or word regnames for QI operands. 'B' prints bit
10247 (m32c_expand_setmemhi): New.
10248 (m32c_expand_movmemhi): New.
10249 (m32c_expand_movstr): New.
10250 (m32c_expand_cmpstr): New.
10251 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10252 (m32c_expand_neg_mulpsi3): Handle non-ints.
10253 (m32c_cmp_flg_0): New.
10254 (m32c_expand_movcc): New.
10255 (m32c_expand_insv): New.
10256 (m32c_scc_pattern): New.
10257 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10258 a0/a1 out of SIregs.
10259 (STORE_FLAG_VALUE): New.
10260 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10263 * config/m32c/mov.md: Make constraints more liberal.
10264 (zero_extendqihi2): Optimize r0/r1 case.
10265 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10266 * config/m32c/predicates.md (m32c_any_operand): New.
10267 (m32c_nonimmediate_operand): New.
10268 (m32c_hl_operand): New.
10269 (m32c_r3_operand): New.
10272 (memsym_operand): New.
10273 (memimmed_operand): New.
10274 (a_qi_operand): New.
10275 (m32c_eqne_operator): New.
10276 (m32c_1bit8_operand): New.
10277 (m32c_1bit16_operand): New.
10278 (m32c_1mask8_operand): New.
10279 (m32c_1mask16_operand): New.
10280 * config/m32c/blkmov.md: New file.
10281 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10283 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10285 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10286 unsigned to fix signed/unsigned comparison issue in
10287 DWARF2_FRAME_REG_OUT.
10288 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10289 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10291 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10292 of ptr into the ENABLE_CHECKING section.
10294 2006-03-08 Jeff Law <law@redhat.com>
10296 * tree-vrp.c (infer_value_range): Only count pointer uses
10297 and dereferences if -fdelete-null-pointer-checks is enabled.
10299 * tree-vrp.c (find_assert_locations): Infer value ranges for
10300 single use pointers, but do not create ASSERT_EXPRs for them.
10301 When a non-null range is inferred for a pointer, backwards
10302 propagate that range to other equivalent pointers through the
10305 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10308 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10309 language hook targets.
10310 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10311 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10312 if language hook targets were missing.
10314 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10316 * tree-ssa-opfinalize.h: Removed.
10317 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10319 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10320 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10321 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10322 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10323 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10324 finalize_ssa_v_must_def_ops): New.
10326 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10328 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10329 block as parameter.
10331 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10333 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10335 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10336 addresses with offsets; reorganize.
10338 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10339 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10340 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10342 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10345 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10347 2006-03-08 Ben Elliston <bje@au.ibm.com>
10349 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10351 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10354 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10357 2006-03-07 Richard Guenther <rguenther@suse.de>
10359 PR tree-optimization/26587
10360 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10362 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10364 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10366 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10368 * hooks.c (hook_bool_mode_rtx_true): New function.
10369 * hooks.h (hook_bool_mode_rtx_true): Declare.
10370 * toplev.c (compile_file): Call output_shared_constant_pool.
10371 * varasm.c (shared_constant_pool): New variable.
10372 (assemble_start_function, assemble_end_function): Remove arguments
10373 from call to output_constant_pool.
10374 (create_constant_pool): New function, split out from...
10375 (init_varasm_status): ...here.
10376 (force_const_mem): Choose between the shared and per-function constant
10377 pools. Set current_function_uses_const_pool when reusing old entries
10378 as well as when creating new ones.
10379 (mark_constant): Ignore data argument.
10380 (mark_constants): Remove pool argument.
10381 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10382 to decide whether the function uses a constant pool.
10383 (output_constant_pool_contents): New function, split out from...
10384 (output_constant_pool): ...here.
10385 (output_shared_constant_pool): New function.
10386 (init_varasm_once): Initialize shared_constant_pool.
10387 * output.h (output_constant_pool): Delete.
10388 (output_shared_constant_pool): Declare.
10389 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10390 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10392 2006-03-06 Nick Clifton <nickc@redhat.com>
10394 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10395 flag_strength_reduce.
10397 2006-03-06 Ben Elliston <bje@au.ibm.com>
10399 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10400 x86_64-*-linux* configurations.
10402 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10403 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10407 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10409 * basic-block.h: Remove the extern for
10410 rediscover_loops_after_threading.
10412 * cfgloop.c (cancel_loop): Make it static.
10413 * cfgloop.h: Remove the prototype for cancel_loop.
10415 * flow.c (recompute_reg_usage): Make it static.
10416 * rtl.h: Remove the prototype for recompute_reg_usage.
10418 * function.c (use_return_register): Make it static.
10419 * function.h: Remove the prototype.
10421 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10423 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10425 * recog.h: Remove the prototype for
10426 validate_change_maybe_volatile.
10428 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10430 * rtlanal.c (replace_reg): Remove.
10431 * rtl.h: Remove the prototype for replace_reg.
10433 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10435 * regclass.c (reg_scan_update): Remove.
10436 (reg_scan_mark_refs): Remove the last argument.
10437 * rtl.h: Remove the prototype for reg_scan_update.
10439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10441 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10442 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10443 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10444 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10445 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10446 loop-invariant.c, omp-low.c, opts.c, passes.c,
10447 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10448 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10449 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10450 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10451 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10452 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10456 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10457 * dwarf2out.h: Remove the prototype for
10458 dwarf2out_add_library_unit_info.
10460 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10462 * tree.c (add_var_to_bind_expr): Remove.
10463 * tree.h: Remove the prototype for add_var_to_bind_expr.
10465 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10467 * regclass.c (n_non_fixed_regs): Remove.
10468 (init_reg_sets_1, globalize_reg): Remove all uses of
10470 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10472 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10474 * rtlanal.c (insns_safe_to_move_p): Remove.
10475 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10477 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10479 * expmed.c (expand_mult_add): Remove.
10480 * expr.h: Remove the prototype for expand_mult_add.
10482 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10484 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10485 and REG_SAVED_VAL_EXP constants.
10486 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10487 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10488 Handle regs stored by value.
10489 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10490 (execute_cfa_program): Handle DW_CFA_val_offset,
10491 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10492 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10493 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10494 (uw_install_context_1): Handle target regs stored by value.
10496 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10498 * tree-sra.c (tree_sra): Return todoflags;
10499 (generate_one_element): Set TODO_update_smt_usage if needed.
10500 (pass_sra): Remove TODO_update_smt_usage.
10501 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10503 (tree_ssa_forward_propagate_single_use_vars): Return
10504 TODO_update_smt_usage if we need to update SMT usage.
10505 (pass_forwprop): Remove TODO_update_smt_usage.
10507 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10509 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10510 (correct_use_link): Remove reference to get_stmt_operands.
10511 (update_stmt_operands): Likewise.
10512 (get_modify_expr_operands): New function factored out of
10513 parse_ssa_operands and get_expr_operands.
10514 Try to create V_MUST_DEFs for LHS by default.
10515 (get_expr_operands) <case MODIFY_EXPR>: Call
10516 get_modify_expr_operands.
10517 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10518 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10519 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10520 get_modify_expr_operands.
10522 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10524 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10525 * tree-flow.h: Remove the prototype for
10526 referenced_var_lookup_if_exists.
10528 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10530 PR rtl-optimization/26345
10532 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10534 2006-03-03 Roger Sayle <roger@eyesopen.com>
10536 PR tree-optimization/26524
10537 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10538 fold_convert to create a constant of the appropriate type.
10540 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10542 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10543 SYMBOL_REF_IN_BLOCK_P.
10544 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10545 of SYMBOL_FLAG_IN_BLOCK.
10546 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10547 instead of SYMBOL_REF_IN_BLOCK_P.
10548 * explow.c (use_anchored_address): Likewise.
10549 * rtl.c (rtx_size): Likewise.
10550 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10551 instead of SYMBOL_FLAG_IN_BLOCK.
10552 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10553 SYMBOL_REF_IN_BLOCK_P.
10554 (assemble_variable): Likewise.
10555 (output_constant_def_contents): Likewise.
10556 (output_constant_pool): Likewise.
10557 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10558 instead of SYMBOL_FLAG_IN_BLOCK.
10559 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10560 SYMBOL_REF_IN_BLOCK_P.
10561 (SYMBOL_REF_BLOCK): Likewise.
10562 (SYMBOL_REF_OFFSET): Likewise.
10563 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10564 SYMBOL_REF_IN_BLOCK_P.
10565 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10566 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10567 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10568 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10570 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10572 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10574 2006-03-02 Roger Sayle <roger@eyesopen.com>
10576 * simplify-rtx.c (simplify_unary_operation): When simplifying
10577 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10578 that we perform the right shift in the appropriate mode, and
10579 then extend or truncate the result to requested mode.
10581 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10583 * gengtype.c (main): Handle double_int type.
10584 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10585 * double-int.c: New file.
10586 * double-int.h: New file.
10587 * system.h: Include doubleint.h.
10588 * Makefile.in (SYSTEM_H): Include double-int.h.
10589 (double-int.o): Add.
10591 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10594 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10597 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10599 * tree-vrp.c (remove_range_assertions): Do not update statements
10602 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10604 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10606 * gcse.c (rest_of_handle_gcse): Ditto.
10607 * except.c (gate_handle_eh): Ditto.
10608 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10609 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10611 2006-03-02 Eric Christopher <echristo@apple.com>
10613 * config/i386/i386.c (machopic_output_stub): Add indirection to
10616 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10620 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10622 Sun Niagara specific optimizations.
10623 * config.gcc: Recognize niagara as target.
10624 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10625 (TARGET_CPU_niagara): Define.
10626 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10627 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10628 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10629 (ASM_CPU_SPEC): Likewise.
10630 (PROCESSOR_NIAGARA): New enum entry.
10631 (REGISTER_MOVE_COST): Handle Niagara.
10632 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10633 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10634 (sparc_override_options): Recognize "niagara", set appropriate
10635 default MASK_* values for it, and align functions to 32-bytes
10636 by default just like ULTRASPARC/ULTRASPARC3.
10637 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10638 (sparc64_initialize_trampoline): Likewise.
10639 (sparc_use_sched_lookahead): Use zero for niagara.
10640 (sparc_issue_rate): Use one for niagara.
10641 * config/sparc/niagara.md: New file.
10642 * config/sparc/sparc.md: Include it.
10643 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10644 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10645 when default cpu is niagara.
10646 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10647 (ASM_CPU_SPEC): Likewise.
10648 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10649 when default cpu is niagara.
10650 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10651 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10652 just like v9/ultrasparc/ultrasparc3.
10653 * doc/invoke.texi: Add documentation for "niagara" and improve
10654 existing documentation for ultrasparc variants.
10656 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10658 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10660 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10662 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10663 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10664 and say that only one is needed.
10665 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10666 * target.h (have_switchable_bss_sections): New hook.
10667 * explow.c (use_anchored_address): Check that the symbol is in a block.
10668 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10669 (bss_noswitch_section): New variables.
10670 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10671 (get_noswitch_section): New function.
10672 (get_block_for_section): Allow SECT to be null.
10673 (unlikely_text_section_p): Use SECTION_STYLE.
10674 (bss_initializer_p): New function.
10675 (get_variable_section): Move earlier in file. Take a new argument,
10676 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10677 Return one of the new *_sections in such cases.
10678 (get_block_for_decl): New function, extracting some logic from
10679 use_blocks_for_decl_p.
10680 (change_symbol_section): Remove in favor of...
10681 (change_symbol_block): ...this new function.
10682 (use_blocks_for_decl_p): Remove checks now performed by
10683 get_block_for_decl.
10684 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10685 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10686 (emit_local, emit_bss, emit_common): ...these new functions.
10687 Return true if the alignment was honored.
10688 (emit_tls_common): New function.
10689 (asm_emit_uninitialised): Delete.
10690 (assemble_variable_noswitch): New function, split out from...
10691 (assemble_variable): ...here. Don't make decisions about common
10692 variables here. Globalize all public decls that go into non-common
10693 sections. Check whether SYMBOL_REF_BLOCK is null.
10694 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10695 (output_constant_pool): Likewise.
10696 (init_varasm_once): Initialize the new section variables.
10697 (have_global_bss_p): New function.
10698 (categorize_decl_for_section): Use bss_initializer_p.
10699 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10700 (place_block_symbol): Assert that the symbol must be in a block.
10701 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10702 (TARGET_INITIALIZER): Include it.
10703 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10704 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10705 (SECTION_MACH_DEP): Bump by two.
10706 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10707 (unnamed_section): Mention SECTION_UNNAMED in comment.
10708 (named_section): Likewise SECTION_NAMED.
10709 (noswitch_section_callback): New type.
10710 (noswitch_section): New structure.
10711 (section): Add a noswitch_section alternative.
10712 (SECTION_STYLE): New macro.
10713 (tls_comm_section, comm_section, lcomm_section): Declare.
10714 (bss_noswitch_section, have_global_bss_p): Declare.
10715 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10716 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10718 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10719 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10722 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10724 * tree-vrp.c (execute_vrp): Return value.
10725 * regrename.c (rest_of_handle_regrename): Ditto.
10726 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10727 * tree-complex.c (tree_lower_complex): Ditto.
10728 (tree_lower_complex_O0): Ditto.
10729 * tracer.c (rest_of_handle_tracer): Ditto.
10730 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10731 * postreload.c (rest_of_handle_postreload): Ditto.
10732 * tree-tailcall.c (execute_tail_recursion): Ditto.
10733 (execute_tail_calls): Ditto.
10734 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10735 * tree.h (init_function_for_compilation): Ditto.
10736 * ipa-cp.c (ipcp_driver): Ditto.
10737 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10738 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10739 * final.c (compute_alignments): Ditto.
10740 (rest_of_handle_final): Ditto.
10741 (rest_of_handle_shorten_branches): Ditto.
10742 (rest_of_clean_state): Ditto.
10743 * omp-low.c (execute_expand_omp): Ditto.
10744 (execute_lower_omp): Ditto.
10745 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10746 * ipa-reference.c (static_execute): Ditto.
10747 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10748 * reorg.c (rest_of_handle_delay_slots): Ditto.
10749 (rest_of_handle_machine_reorg): Ditto.
10750 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10751 * flow.c (recompute_reg_usage): Ditto.
10752 (rest_of_handle_remove_death_notes): Ditto.
10753 (rest_of_handle_life): Ditto.
10754 (rest_of_handle_flow2): Ditto.
10755 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10756 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10757 (do_ssa_store_ccp): Ditto.
10758 (execute_fold_all_builtins): Ditto.
10759 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10760 * modulo-sched.c (rest_of_handle_sms): Ditto.
10761 * ipa-pure-const.c (static_execute): Ditto.
10762 * cse.c (rest_of_handle_cse): Ditto.
10763 (rest_of_handle_cse2): Ditto.
10764 * web.c (rest_of_handle_web): Ditto.
10765 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10766 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10767 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10768 * tree-nrv.c (tree_nrv): Ditto.
10769 (execute_return_slot_opt): Ditto.
10770 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10771 (create_structure_vars): Ditto.
10772 * loop-init.c (rtl_loop_init): Ditto.
10773 (rtl_loop_done): Ditto.
10774 (rtl_move_loop_invariants): Ditto.
10775 (rtl_unswitch): Ditto.
10776 (rtl_unroll_and_peel_loops): Ditto.
10777 (rtl_doloop): Ditto.
10778 * gimple-low.c (lower_function_body): Ditto.
10779 (mark_used_blocks): Ditto.
10780 * tree-ssa-sink.c (execute_sink_code): Ditto.
10781 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10782 (cgraph_early_inlining): Ditto.
10783 * global.c (rest_of_handle_global_alloc): Ditto.
10784 * jump.c (cleanup_barriers): Ditto.
10785 (purge_line_number_notes): Ditto.
10786 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10787 (rest_of_handle_if_after_reload): Ditto.
10788 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10789 (tree_ssa_loop_im): Ditto.
10790 (tree_ssa_loop_unswitch): Ditto.
10791 (tree_vectorize): Ditto.
10792 (tree_linear_transform): Ditto.
10793 (tree_ssa_loop_ivcanon): Ditto.
10794 (tree_ssa_empty_loop): Ditto.
10795 (tree_ssa_loop_bounds): Ditto.
10796 (tree_complete_unroll): Ditto.
10797 (tree_ssa_loop_prefetch): Ditto.
10798 (tree_ssa_loop_ivopts): Ditto.
10799 (tree_ssa_loop_done): Ditto.
10800 * predict.c (tree_estimate_probability): Ditto.
10801 * recog.c (split_all_insns_noflow): Ditto.
10802 (rest_of_handle_peephole2): Ditto.
10803 (rest_of_handle_split_all_insns): Ditto.
10804 * tree-eh.c (lower_eh_constructs): Ditto.
10805 * regmove.c (rest_of_handle_regmove): Ditto.
10806 (rest_of_handle_stack_adjustments): Ditto.
10807 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10808 * function.c (instantiate_virtual_regs): Ditto.
10809 (init_function_for_compilation): Ditto.
10810 (rest_of_handle_check_leaf_regs): Ditto.
10811 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10812 (rest_of_handle_gcse): Ditto.
10813 * ipa-type-escape.c (type_escape_execute): Ditto.
10814 * alias.c (rest_of_handle_cfg): Ditto.
10815 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10816 * profile.c (rest_of_handle_branch_prob): Ditto.
10817 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10818 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10819 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10820 * tree-dfa.c (find_referenced_vars): Ditto.
10821 * except.c (set_nothrow_function_flags): Ditto.
10822 (convert_to_eh_region_ranges): Ditto.
10823 (rest_of_handle_eh): Ditto.
10824 * emit-rtl.c (unshare_all_rtl): Ditto.
10825 (remove_unnecessary_notes): Ditto.
10826 * except.h (set_nothrow_function_flags): Ditto.
10827 (convert_to_eh_region_ranges): Ditto.
10828 * cfgexpand.c (tree_expand_cfg): Ditto.
10829 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10830 * tree-ssa-pre.c (do_pre): Ditto.
10831 (execute_fre): Ditto.
10832 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10833 (rest_of_handle_jump2): Ditto.
10834 * tree-sra.c (tree_sra): Ditto.
10835 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10836 (execute_mudflap_function_decls): Ditto.
10837 * tree-ssa-copy.c (do_copy_prop): Ditto.
10838 (do_store_copy_prop): Ditto.
10839 * ipa-prop.h (ipcp_driver): Ditto.
10840 * cfglayout.c (insn_locators_initialize): Ditto.
10841 * tree-ssa-forwprop.c
10842 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10843 * cfglayout.h (insn_locators_initialize): Ditto.
10844 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10845 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10846 (execute_late_warn_uninitialized): Ditto.
10847 * rtl.h (cleanup_barriers): Ditto.
10848 (split_all_insns_noflow): Ditto.
10849 (purge_line_number_notes): Ditto.
10850 (unshare_all_rtl): Ditto.
10851 (remove_unnecessary_notes): Ditto.
10852 (recompute_reg_usage): Ditto.
10853 (variable_tracking_main): Ditto.
10854 * integrate.c (emit_initial_value_sets): Ditto.
10855 * integrate.h (emit_initial_value_sets): Ditto.
10856 * tree-optimize.c (execute_free_datastructures): Ditto
10857 (execute_free_cfg_annotations): Ditto.
10858 (execute_fixup_cfg): Ditto.
10859 (execute_cleanup_cfg_pre_ipa): Ditto.
10860 (execute_cleanup_cfg_post_optimizing): Ditto.
10861 (execute_init_datastructures): Ditto.
10862 * tree-object-size.c (compute_object_sizes): Ditto.
10863 * combine.c (rest_of_handle_combine): Ditto.
10864 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10865 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10866 (rest_of_handle_reorder_blocks): Ditto.
10867 (rest_of_handle_partition_blocks): Ditto.
10868 * var-tracking.c (variable_tracking_main): Ditto.
10869 * tree-profile.c (tree_profiling): Ditto.
10870 * tree-vect-generic.c (expand_vector_operations): Ditto.
10871 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10872 * sched-rgn.c (rest_of_handle_sched): Ditto.
10873 (rest_of_handle_sched2): Ditto.
10874 * basic-block.h (free_bb_insn): Ditto.
10875 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10876 * tree-cfg.c (execute_build_cfg): Ditto.
10877 (remove_useless_stmts): Ditto.
10878 (split_critical_edges): Ditto.
10879 (execute_warn_function_return): Ditto.
10880 (execute_warn_function_noreturn): Ditto.
10881 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10882 * cfgrtl.c (free_bb_for_insn): Ditto.
10883 * passes.c (execute_one_pass): Run additional
10884 todos returned by execute function.
10885 * tree-pass.h (struct tree_opt_pass): Make execute
10888 2006-03-02 Richard Guenther <rguenther@suse.de>
10890 * tree-ssa-alias.c (find_used_portions): Consider taking
10891 the address as making the variable not write-only.
10893 2006-03-02 Nick Clifton <nickc@redhat.com>
10895 * config.gcc (default_use_cxa_atexit): Extend the description of
10896 this configure variable. Set its default value to "yes" for
10897 Linux, NetBSD and ELF targets on the assumption that they will
10898 use C libraries with the __cxa_atexit function.
10900 2006-03-02 Ben Elliston <bje@au.ibm.com>
10902 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10903 parameter as unused to suppress a build warning.
10905 2006-03-02 Ben Elliston <bje@au.ibm.com>
10907 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10910 2006-03-01 Roger Sayle <roger@eyesopen.com>
10913 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10914 declared name, the weak reference name, and the typeof name.
10915 (__gthrw): Avoid expanding the declared name suffix.
10916 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10918 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10920 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10922 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10923 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10924 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10925 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10926 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10927 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10928 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10929 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10930 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10931 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10932 (DW_END_default, DW_END_big, DW_END_little): New.
10933 (DW_END_lo_user, DW_END_hi_user): Define.
10934 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10935 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10936 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10939 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10941 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10943 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10945 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10947 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10949 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10950 to 'symbol_mem_tag'.
10952 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10955 2006-03-01 Roger Sayle <roger@eyesopen.com>
10957 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10959 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10962 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10963 MACHO_DYNAMIC_NO_PIC_P.
10964 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10966 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10969 * config/darwin-protos.h (darwin_asm_output_anchor):
10971 * config/darwin-sections.def (cstring_section):
10972 Add SECTION_MERGE to the flags.
10973 (literal4_section): Likewise.
10974 (literal8_section): Likewise.
10975 (objc_selector_refs_section): Likewise.
10976 (objc_cls_refs_section): Likewise.
10977 * config/darwin.c (darwin_asm_output_anchor): New
10979 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10981 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10983 Fix PR tree-optimization/26443
10984 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10985 to todo and PROP_tmt_usage to properties_destroyed.
10986 * tree-ssa-ccp.c (pass_ccp): Ditto.
10987 (pass_store_ccp): Ditto.
10988 * tree-ssa-dom.c (pass_dominator): Ditto.
10990 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10992 * tree-ssa-operands.c: Cleanup whitespace.
10993 (get_asm_expr_operands): Move before first invocation.
10994 (get_indirect_ref_operands): Likewise.
10995 (get_tmr_operands): Likewise.
10996 (get_call_expr_operands): Likewise.
10997 (append_def): Likewise.
10998 (append_use): Likewise.
10999 (append_v_may_def): Likewise.
11000 (append_v_must_def): Likewise.
11001 (add_call_clobber_ops): Likewise.
11002 (add_call_read_ops): Likewise.
11003 (add_stmt_operand): Likewise.
11004 (add_virtual_operand): Likewise.
11005 (build_ssa_operands): Likewise.
11007 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11009 PR middle-end/26022
11011 PR middle-end/24437
11012 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11013 with a call expr to ...
11014 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11016 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11018 * tree-vrp.c (extract_range_from_assert): Remove special
11019 handling for types with super-types.
11021 2006-03-01 Ben Elliston <bje@au.ibm.com>
11023 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11024 and powerpc64-*-linux* configurations.
11025 * config/t-dfprules: New file.
11027 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11028 Compile dfp-bit.c from the source directory using -DWIDTH and
11029 $DFP_CFLAGS to control the compilation of that file, rather than
11030 generating width-specific versions in the build directory.
11031 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11032 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11034 2006-02-28 Zack Weinberg <zackw@panix.com>
11036 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11039 2006-02-28 Eric Christopher <echristo@apple.com>
11041 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11042 Set up IN_LIBGCC definition of TARGET_64BIT.
11043 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11045 2006-02-28 Roger Sayle <roger@eyesopen.com>
11047 PR middle-end/14752
11048 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11049 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11050 cases via the construction of "expr != 0".
11052 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11054 * alias.c (alias_invariant, alias_invariant_size): Remove.
11055 (record_base_value): Remove.
11056 (memrefs_conflict_p): Don't look at alias_invariant.
11057 (end_alias_analysis): Don't free it.
11058 * alias.h (record_base_value): Remove prototype.
11060 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11061 Adam Nemet <anemet@caviumnetworks.com>
11063 * rtl.h (truncated_to_mode): Declare it.
11064 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11065 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11066 (RTL_HOOKS_INITIALIZER): Include it.
11067 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11068 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11069 reg_truncated_to_mode.
11070 * rtlanal.c (truncated_to_mode): Define it.
11071 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11073 2006-02-28 Jeff Law <law@redhat.com>
11075 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11076 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11077 the range allowed by TYPE_PRECISION.
11079 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11081 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11083 PR tree-optimization/26419
11084 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11087 2006-02-27 Zack Weinberg <zackw@panix.com>
11089 * doc/md.texi: Fix typo in previous change.
11091 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11095 2006-02-27 Zack Weinberg <zackw@panix.com>
11097 * rtl.def (define_constraint, define_register_constraint)
11098 (define_memory_constraint, define_address_constraint): New MD forms.
11099 * gensupport.c (process_rtx): Put define_constraint etc on the
11101 * genpreds.c (process_define_predicate): Adjust comment. Validate
11102 the name, and call validate_exp to validate the expression.
11103 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11104 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11105 all callers changed.
11106 (validate_exp, needs_variable, struct constraint_data)
11107 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11108 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11109 (const_dbl_constraints, constraint_max_namelen)
11110 (have_register_constraints, have_memory_constraints)
11111 (have_address_constraints, have_address_constraints)
11112 (have_extra_constraints, have_const_int_constraints)
11113 (have_const_dbl_constraints, mangle, add_constraint)
11114 (process_define_constraint, process_define_register_constraint)
11115 (write_enum_constraint_num, write_lookup_constraint)
11116 (write_insn_constraint_len, write_regclass_for_constraint)
11117 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11118 (write_insn_extra_memory_constraint)
11119 (write_insn_extra_address_constraint)
11120 (write_satisfies_constraint_fns): New.
11121 (write_tm_preds_h): If we have new-style constraint definitions,
11122 prototype the functions generated from them, and define the
11123 old constraint interface (still used by generic code) in terms of
11125 (write_insn_preds_c): If we have new-style constraint definitions,
11126 generate all relevant functions from those definitions.
11127 (main): Handle define_constraint etc.
11128 * genoutput.c (struct constraint_data, indep_constraints)
11129 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11130 (mdep_constraint_len): New data structures and functions, defined
11131 #ifdef USE_MD_CONSTRAINTS.
11132 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11133 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11134 use new logic to validate operand constraints against constraint
11136 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11138 * defaults.h: If none of the old-style constraint macros are
11139 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11140 old-style macros; and poison REG_CLASS_FROM_LETTER,
11141 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11143 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11144 * doc/md.texi: Document new constraint-definition mechanism and the
11145 C interface it provides. Remove references to old mechanism
11146 elsewhere in the document.
11147 (Machine Constraints): Use pathnames relative to gcc directory,
11148 i.e. config/ARCH/FILE. Change i386 section to refer to
11149 config/i386/predicates.md; update that section to match docstrings.
11150 * doc/tm.texi: Move all documentation of the old constraint-
11151 definition macros to their own section, clearly mark as obsolete.
11153 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11154 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11156 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11157 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11158 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11159 constraint strings.
11160 (splits and peepholes): Use satisfies_constraint_*.
11161 * config/i386/i386.c (memory_address_length)
11162 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11164 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11166 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11167 scalar operation to be put back into the loop.
11169 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11172 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11173 (extract_cie_info): Handle S flag in augmentation string.
11174 (execute_cfa_program): If context->signal_frame, execute also
11175 fs->pc == context->ra instructions.
11176 (uw_frame_state_for): If context->signal_frame, don't subtract one
11177 from context->ra to find FDE.
11178 (uw_update_context_1): Set context->signal_frame to
11180 (_Unwind_GetIPInfo): New function.
11181 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11182 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11184 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11185 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11186 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11187 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11188 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11189 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11190 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11191 x86_64_fallback_frame_state): Set fs->signal_frame.
11192 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11193 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11194 (frob_update_context): Likewise. Workaround missing S flag in
11195 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11196 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11197 Remove the psw_addr + 1 hack.
11199 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11201 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11202 with aggregates here.
11203 (find_func_aliases): Remove code for &<aggregate> from here.
11205 2006-02-26 Roger Sayle <roger@eyesopen.com>
11207 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11208 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11209 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11210 as (X & C) ne/eq 0.
11212 2006-02-26 Roger Sayle <roger@eyesopen.com>
11214 PR middle-end/19983
11215 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11217 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11219 * opts.c (decode_options): Do not handle flag_strength_reduce.
11220 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11221 and OPT_fstrength_reduce.
11222 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11223 flag_prefetch_loop_arrays for being nonzero.
11224 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11226 (fprefetch-loop-arrays-rtl): Removed.
11227 (flag_prefetch_loop_arrays): Do not specify the value.
11229 * doc/passes.texi: Update documentation of loop optimizer
11231 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11232 -frerun-loop-opt): Remove.
11234 2006-02-26 Richard Guenther <rguenther@suse.de>
11236 PR tree-optimization/26421
11237 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11238 in function calls that are ADDR_EXPRs as using the whole structure.
11240 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11242 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11243 * tree-pass.h (pass_loop_optimize): Remove.
11244 * passes.c (pass_loop_optimize): Never run it.
11245 * toplev.c (backend_init): Don't call init_loop.
11246 * opts.c (flag_loop_optimize_set): Remove.
11247 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11248 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11249 the old RTL loop optimizer when profiling enabled.
11250 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11251 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11252 pre-headers for the sake of the old RTL loop optimizer.
11253 * Makefile.in: Remove all references to loop.o.
11255 * doc/invoke.texi: Remove all references to -floop-optimize
11256 and -frerun-loop-opt.
11258 2006-02-26 Zack Weinberg <zackw@panix.com>
11260 * doc/md.texi (Machine Constraints): Refer to all files with paths
11261 relative to gcc directory (i.e. config/CPU/file). Add missing
11262 @table @code ... @end table to M32C subsection.
11264 2006-02-26 Roger Sayle <roger@eyesopen.com>
11266 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11268 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11270 2006-02-26 Roger Sayle <roger@eyesopen.com>
11271 James A. Morrison <phython@gcc.gnu.org>
11273 PR middle-end/21137
11274 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11275 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11276 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11277 signedness of the shift operation.
11279 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11281 PR tree-optimization/26359
11282 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11284 2006-02-25 Roger Sayle <roger@eyesopen.com>
11286 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11287 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11288 as X == 0, and some symmetry related transformations.
11289 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11291 2006-02-25 Roger Sayle <roger@eyesopen.com>
11293 PR middle-end/23673
11294 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11295 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11296 symmetry related transformations. Fold (X^C1) == C2 as
11299 2006-02-25 Juergen Weigert <jw@suse.de>
11300 Richard Guenther <rguenther@suse.de>
11302 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11304 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11306 * combine.c (gen_lowpart_or_truncate): Call
11307 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11309 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11311 * doc/invoke.texi: Move -fopenmp description to "Options for
11313 Remove reference to -lgomp.
11315 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11317 * doc/install.texi: Require GNU tar version 1.14.
11319 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11321 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11322 * doc/invoke.texi (C++ Dialect Options): Document
11323 -fno-use-cxa-get-exception-ptr.
11324 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11325 * configure: Regenerate.
11326 * c.opt (fuse-cxa-get-exception-ptr): New.
11327 * c-opts.c (c_common_handle_option): Handle
11328 OPT_fuse_cxa_get_exception_ptr.
11329 * c-common.c (flag_use_cxa_atexit): Update documentation.
11330 (flag_use_cxa_get_exception_ptr): New.
11331 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11332 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11334 (C_COMMON_OVERRIDE_OPTIONS): New.
11336 2006-02-24 Roger Sayle <roger@eyesopen.com>
11338 PR middle-end/24952
11339 * combine.c (try_combine): Explicitly check whether GET_CODE is
11340 a SET or a CLOBBER, instead on checking that it isn't a USE.
11342 2006-02-24 Roger Sayle <roger@eyesopen.com>
11344 * fold-const.c (fold_comparison): New subroutine of fold_binary
11345 containing transformations common to both the equality and
11346 ordering relational operators, factored out of fold_binary.
11347 (fold_binary): Separate out the equality operators (EQ_EXPR
11348 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11349 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11350 transformations common to both.
11351 (fold_div_compare): Fix latent bugs in the previously unreachable
11352 LT_EXPR and GE_EXPR cases.
11354 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11356 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11357 decl libname for clog to __clog on AIX.
11359 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11361 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11364 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11365 output traceback table for thunks. Localise rs6000_stack_info call.
11367 2006-02-23 Roger Sayle <roger@eyesopen.com>
11368 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11370 * gthr-posix.h (__gthrw): Fix typo in comment.
11372 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11374 * doc/cpp.texi (Character sets): Document that we do support
11375 input files to be in any character set.
11377 2006-02-23 Jeff Law <law@redhat.com>
11379 * tree.h (PHI_ARG_NONZERO): Remove.
11380 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11381 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11382 node to the new node.
11384 PR tree-optimization/26425
11385 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11386 min/max, then assume its varying.
11388 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11390 PR rtl-optimization/26316
11391 * rtlanal.c (enum may_trap_p_flags): New.
11392 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11393 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11394 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11395 (may_trap_after_code_motion_p): New function.
11396 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11397 (find_invariant_insn): Use may_trap_after_code_motion_p.
11398 * rtl.h (may_trap_after_code_motion_p): Declare.
11400 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11402 * emit-rtl.c (immed_double_const): Cleanup.
11404 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11406 Fix PR tree-optimization/26376
11407 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11410 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11412 PR middle-end/26412
11413 * gimplify.c (omp_add_variable): Guard variable size decl test with
11414 DECL_SIZE (decl) check.
11416 2006-02-23 Richard Guenther <rguenther@suse.de>
11418 PR middle-end/26439
11419 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11420 like aggregate types.
11422 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11424 * configure.ac: Add --with{,out}-long-double-128 configure option.
11425 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11426 * configure: Rebuilt.
11427 * config.in: Rebuilt.
11428 * doc/install.texi (Options specification): Document
11429 --with-long-double-128.
11431 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11432 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11433 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11434 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11436 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11438 * config/s390/s390.c (override_options): Handle
11439 TARGET_DEFAULT_LONG_DOUBLE_128.
11441 * config/alpha/alpha.c (override_options): Handle
11442 TARGET_DEFAULT_LONG_DOUBLE_128.
11444 * config/sparc/sparc.c (sparc_override_options): Handle
11445 TARGET_DEFAULT_LONG_DOUBLE_128.
11447 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11449 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11450 (real-install-headers-tar, real-install-headers-cpio)
11451 (real-install-headers-cp): New targets.
11453 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11455 * tree.h (variable_section): Delete.
11456 * varasm.c (variable_section): Delete.
11458 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11460 * install.texi: Add notes on install.texi2html.
11461 (Building in parallel): Do not use footnotes.
11463 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11466 * doc/install.texi (Configuration): Document --disable-libgomp.
11468 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11470 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11472 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11474 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11475 (vec_extractv2df_0_sse): New.
11477 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11479 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11480 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11481 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11482 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11483 to the result of the expression.
11484 (def_cfa_1): Adjust.
11485 (frame_pointer_cfa_offset): Rename to...
11486 (frame_pointer_fb_offset): ... this. Adjust all uses.
11487 (convert_cfa_to_loc_list): Rename to...
11488 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11489 Pass it on to build_cfa_loc.
11490 (compute_frame_pointer_to_cfa_displacement): Rename to...
11491 (compute_frame_pointer_to_fb_displacement): ... this. New
11492 offset parameter. Use it in computation.
11493 (gen_subprogram_die): Compute cfa_fb_offset with the new
11494 macro, and use it to compute the fb loc list and the
11497 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11499 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11500 replaced with register_operand.
11501 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11502 non-DREG is expensive.
11503 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11504 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11507 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11509 * doc/install.texi2html: Use set -e.
11511 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11513 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11514 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11515 * doc/invoke.texi (-fshared-data): Delete.
11516 * common.opt (fshared-data): Delete.
11517 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11518 (assemble_static_space): Remove #if 0 code.
11519 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11520 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11521 * config/cris/cris.h: Remove FIXME.
11523 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11525 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11528 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11530 PR middle-end/26379
11531 * combine.c (simplify_shift_const_1): Disable nested shifts
11532 optimization for vector shifts.
11534 2006-02-20 Roger Sayle <roger@eyesopen.com>
11536 PR tree-optimization/26361
11537 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11538 of unsigned integer types.
11540 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11542 * tree-chrec.c (eq_evolutions_p): New.
11543 * tree-chrec.h (eq_evolutions_p): Declared.
11544 * tree-data-ref.c: Fix formatting.
11545 (datadep_stats, dependence_stats): New.
11547 (print_direction_vector): New.
11548 (dump_data_dependence_relation): Use print_direction_vector.
11549 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11550 (compute_subscript_distance): Static.
11551 (initialize_data_dependence_relation): Static. Get the number
11552 of loops surrounding the references from the callers, and initialize
11553 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11554 base_object_differ_p analyzers.
11555 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11556 compute_overlap_steps_for_affine_1_2,
11557 analyze_subscript_affine_affine): Count the classified dependences.
11558 Print a message when a test failed.
11559 (can_use_analyze_subscript_affine_affine): New.
11560 (analyze_siv_subscript): Compute the data dependences on symbolic
11561 scevs that verify can_use_analyze_subscript_affine_affine.
11562 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11563 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11564 Handle symbolic scevs.
11565 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11567 (subscript_dependence_tester): Moved...
11568 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11569 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11570 DDR_SIZE_VECT instead of getting it in parameter.
11571 (subscript_dependence_tester): ... here. Take as a parameter
11572 loop_nest_depth. Call build_classic_dist_vector and
11573 build_classic_dir_vector.
11574 (compute_affine_dependence): Update subscript_dependence_tester
11575 parameters. Update datadep_stats counters. Call
11576 compute_subscript_distance.
11577 (compute_self_dependence): Save the dist and dir vectors. Call
11578 compute_subscript_distance.
11579 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11580 (compute_all_dependences): Reorder parameters as they were before
11581 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11582 compute_subscript_distance. Update the use of
11583 compute_affine_dependence and initialize_data_dependence_relation.
11584 (find_data_references_in_loop): Handle COMPONENT_REF.
11585 (compute_data_dependences_for_loop): Initialize dependence_stats.
11586 Don't call build_classic_dist_vector and build_classic_dir_vector.
11587 Update the parameters of initialize_data_dependence_relation and
11588 compute_all_dependences. Print the statistics from datadep_stats.
11589 (analyze_all_data_dependences): Static. Not used until the pass for
11590 checking the data dependences is contributed.
11591 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11592 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11593 (initialize_data_dependence_relation, compute_affine_dependence,
11594 analyze_all_data_dependences, compute_subscript_distance): Removed.
11595 (print_direction_vector): New.
11596 * lambda.h (gcd): ... here.
11597 (lambda_vector_gcd): Moved here from gcd_vector.
11598 * lambda-code.c (gcd, gcd_vector): Removed.
11599 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11600 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11602 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11604 * ipa-type-escape.c: Tidy some comments and white space.
11605 * tree-ssa-operands.c: Likewise.
11607 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11610 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11611 (dump_decl_name): Do not walk the decl tree chains.
11612 * tree-pass.h (TDF_CHAIN): Remove.
11614 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11616 * Makefile.in (C): Remove
11618 (.PHONY): Remove C and PROTO
11620 2006-02-20 Roger Sayle <roger@eyesopen.com>
11622 PR middle-end/26236
11623 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11624 deprecated CHAR_TYPE tree code.
11626 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11628 * configure.ac (target_list): Add install-info, dvi, html.
11629 * configure: Regenerate.
11631 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11632 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11633 treelang/Make-lang.in: Do not use double-colon rules.
11635 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11637 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11638 (TMT_USED_ALONE): New macro.
11639 * tree-pass.h (PROP_tmt_usage): New property.
11640 (TODO_update_tmt_usage): New todo.
11641 * tree-ssa-alias.c (updating_used_alone): New variable.
11642 (recalculate_used_alone): New function.
11643 (compute_may_aliases): Set updating_used_alone, call
11644 recalculate_used_alone.
11645 * tree-sra.c (pass_sra): Note that this pass destroys
11646 PROP_tmt_usage, and add TODO_update_tmt_usage.
11647 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11648 * tree-flow.h (updating_used_alone): Prototype.
11649 (recalculate_used_alone): Ditto.
11650 * passes.c (execute_todo): Add code to set updating_used_alone,
11651 and call recalculate.
11652 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11653 for clobber if used alone, and add assert to verify used_alone
11656 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11658 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11659 for non tls symbols added.
11660 (legitimize_address): Do nothing for PLUS expressions if one of the
11661 addends is a tls symbol reference.
11663 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11667 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11669 * Makefile.in (BOOTSTRAPPING): New.
11670 (quickstrap): New definition if BOOTSTRAPPING=yes.
11672 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11673 * configure.ac: Substitute all_selected_languages with the languages
11674 that were configured. For all the other variables except
11675 lang_specs_files, include all the languages in the tree.
11676 * configure: Regenerate.
11678 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11679 if there is one. Run the commands to run fixincludes in the same
11682 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11683 * doc/install.texi: Document exact conventions for searching target tools.
11684 Document --with-build-time-tools. Document toplevel bootstrap. Document
11685 something more about building an Ada cross-compiler. Don't list GNU Make
11686 requirements which affect all platforms.
11688 2006-02-19 Roger Sayle <roger@eyesopen.com>
11690 PR middle-end/19543
11691 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11692 only equivalent if the have both the same mode and precision.
11694 2006-02-20 Ben Elliston <bje@au.ibm.com>
11696 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11698 2006-02-19 Roger Sayle <roger@eyesopen.com>
11699 Steven Bosscher <stevenb.gcc@gmail.com>
11701 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11702 constant pool references to identify stack mode constants.
11703 * rtlanal.c (constant_pool_constant_p): New predicate to check
11704 whether operand is a floating point constant in the pool.
11705 * rtl.h (constant_pool_constant_p): Prototype here.
11706 * loop.c (scan_loop): Avoid hoisting constants from the constant
11707 pool on STACK_REGS targets.
11708 (load_mems): Likewise.
11709 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11710 loads into x87 registers expensive in terms of register pressure.
11712 2006-02-19 Roger Sayle <roger@eyesopen.com>
11714 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11715 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11717 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11719 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11720 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11722 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11724 * doc/invoke.texi: Document -fipa-pta.
11725 * common.opt: Add ipa-pta option.
11726 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11727 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11728 (do_ds_constraint): Ditto.
11729 (get_constraint_for): Only add to referenced_vars if
11730 referenced_vars exists.
11731 (insert_into_field_list): Rewrite to do this unsorted.
11732 (insert_into_field_list_sorted): Rename old insert_into_field_list
11734 (create_function_info_for): Use insert_into_field_list_sorted.
11735 (create_variable_info_for): Rewrite so it uses unsorted version,
11736 since the field list is sorted.
11737 (intra_create_variable_infos): Only add to referenced_vars if
11738 referenced_vars exists.
11739 (ipa_pta_execute): Init heapvars, and delete when done.
11740 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11742 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11744 * doc/install.texi: Add missing `@samp'.
11746 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11748 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11751 2006-02-18 Mark Wielaard <mark@klomp.org>
11753 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11754 who added new 4.1 features, bug fixes and integration support.
11756 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11759 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11760 MEM for ABI_V4 pic.
11762 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11764 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11765 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11766 (copy_insn_1): Likewise. Don't copy each field individually.
11768 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11770 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11771 * rtl.c (rtx_size): Rename variable to...
11772 (rtx_code_size): ...this.
11773 (rtx_size): New function.
11774 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11775 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11777 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11778 * rtl.h (rtx_code_size): New variable.
11779 (rtx_size): Change from a variable to a function.
11780 (RTX_SIZE): Rename to...
11781 (RTX_CODE_SIZE): ...this.
11784 PR tree-optimization/17106
11785 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11786 (Anchored Addresses): New section.
11787 * doc/invoke.texi (-fsection-anchors): Document.
11788 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11789 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11790 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11791 * hooks.c (hook_bool_mode_rtx_false): New function.
11792 * hooks.h (hook_bool_mode_rtx_false): Declare.
11793 * gengtype.c (create_optional_field): New function.
11794 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11795 SYMBOL_REF_IN_BLOCK_P is true.
11796 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11797 (min_anchor_offset, max_anchor_offset): Likewise.
11798 (use_anchors_for_symbol_p): New hook.
11799 * toplev.c (compile_file): Call output_object_blocks.
11800 (target_supports_section_anchors_p): New function.
11801 (process_options): Check that -fsection-anchors is only used on
11802 targets that support it and when -funit-at-a-time is in effect.
11803 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11804 if the decl doesn't have one.
11805 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11806 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11807 of force_const_mem through use_anchored_address.
11808 (expand_expr_constant): New function.
11809 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11810 calling expand_expr for INDIRECT_REF.
11811 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11812 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11813 * expr.h (use_anchored_address): Declare.
11814 * loop-unroll.c: Don't declare rtx vectors here.
11815 * explow.c: Include output.h.
11816 (validize_mem): Call use_anchored_address.
11817 (use_anchored_address): New function.
11818 * common.opt (-fsection-anchors): New switch.
11819 * varasm.c (object_block_htab, anchor_labelno): New variables.
11820 (hash_section, object_block_entry_eq, object_block_entry_hash)
11821 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11822 (use_blocks_for_decl_p, change_symbol_section): New functions.
11823 (get_variable_section): New function, split out from assemble_variable.
11824 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11825 use_blocks_for_decl_p say so. Use change_symbol_section if the
11826 symbol has already been created.
11827 (assemble_variable_contents): New function, split out from...
11828 (assemble_variable): ...here. Don't output any code for
11829 block symbols; just pass them to place_block_symbol.
11830 Use get_variable_section and assemble_variable_contents.
11831 (get_constant_alignment, get_constant_section, get_constant_size): New
11832 functions, split from output_constant_def_contents.
11833 (build_constant_desc): Create a block symbol if use_object_blocks_p
11834 says so. Or into SYMBOL_REF_FLAGS.
11835 (assemble_constant_contents): New function, split from...
11836 (output_constant_def_contents): ...here. Don't output any code
11837 for block symbols; just pass them to place_section_symbol.
11838 Use get_constant_section and get_constant_alignment.
11839 (force_const_mem): Create a block symbol if use_object_blocks_p and
11840 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11841 (output_constant_pool_1): Add an explicit alignment argument.
11842 Don't switch sections here.
11843 (output_constant_pool): Adjust call to output_constant_pool_1.
11844 Switch sections here instead. Don't output anything for block symbols;
11845 just pass them to place_block_symbol.
11846 (init_varasm_once): Initialize object_block_htab.
11847 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11848 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11849 (place_block_symbol, get_section_anchor, output_object_block)
11850 (output_object_block_htab, output_object_blocks): New functions.
11851 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11852 (TARGET_ASM_OUT): Include it.
11853 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11854 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11855 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11856 (TARGET_INITIALIZER): Include them.
11857 * rtl.c (rtl_check_failed_block_symbol): New function.
11858 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11859 (block_symbol, object_block): New structures.
11860 (rtx_def): Add a block_symbol field to the union.
11861 (BLOCK_SYMBOL_CHECK): New macro.
11862 (rtl_check_failed_block_symbol): Declare.
11863 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11864 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11865 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11866 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11867 * output.h (output_section_symbols): Declare.
11868 (object_block): Name structure.
11869 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11870 (default_use_anchors_for_symbol_p): Declare.
11871 * Makefile.in (RTL_BASE_H): Add vec.h.
11872 (explow.o): Depend on output.h.
11873 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11874 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11875 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11876 (rs6000_use_blocks_for_constant_p): New function.
11878 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11880 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11882 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11885 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11888 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11890 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11894 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11896 PR middle-end/26334
11897 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11898 instead of DECL_REGISTER.
11900 2006-02-18 Olivier Hainque <hainque@adacore.com>
11903 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11905 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11908 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11909 * opth-gen.awk: Handle Var and InverseMask together.
11910 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11911 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11912 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11913 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11915 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11916 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11917 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11918 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11919 LINUX_DYNAMIC_LINKER): Define.
11920 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11921 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11923 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11924 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11925 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11927 (TARGET_C99_FUNCTIONS): Don't define.
11928 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11929 GLIBC_DYNAMIC_LINKER.
11930 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11931 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11932 GLIBC_DYNAMIC_LINKER64): Define.
11933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11934 LINUX_DYNAMIC_LINKER64.
11935 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11937 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11939 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11941 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11942 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11943 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11945 and LINUX_DYNAMIC_LINKER32.
11946 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11948 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11950 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11952 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11953 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11954 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11955 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11956 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11957 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11958 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11959 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11960 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11961 LINUX_DYNAMIC_LINKER): Define.
11962 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11963 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11964 GLIBC_DYNAMIC_LINKER64): Define.
11965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11966 LINUX_DYNAMIC_LINKER64.
11967 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11968 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11969 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11970 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11971 LINUX_DYNAMIC_LINKER): Define.
11972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11973 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11974 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11975 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11976 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11977 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11978 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11979 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11980 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11981 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11983 * doc/invoke.texi (-muclibc): Remove caveat about supported
11986 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11988 * doc/cpp.texi (__TIMESTAMP__): Document.
11990 2006-02-17 Roger Sayle <roger@eyesopen.com>
11992 PR middle-end/25600
11993 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11994 C is one less than the width of X (and related transformations).
11995 * simplify-rtx.c (simplify_unary_operation_1): Transform
11996 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11997 depending on STORE_FLAG_VALUE, were C is one less then the
12000 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12002 Fix PR tree-optimization/26341
12003 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12004 about NAME_MEMORY_TAG's.
12006 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12009 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12010 with hardware float support, and software float support. Add fcpy
12011 alternative to hardware patterns. Add alternatives to copy between
12012 general and floating-point registers to the 32-bit pattern.
12013 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12014 secondary reload to load a QI or HI mode constant into a floating
12016 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12017 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12019 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12022 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12024 (load_macho_picbase_di): Likewise.
12026 2006-02-16 Jeff Law <law@redhat.com>
12028 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12029 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12030 (ssa_name_nonzero_p): Likewise.
12031 (get_value_range): Return NULL if VRP is not running.
12032 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12033 VRP routines do not discover a range.
12034 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12035 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12036 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12037 (tree_expr_nonnegative_p): Similarly.
12038 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12039 (restore_nonzero_vars_to_original_value): Remove.
12040 (unsafe_associative_fp_binop): Remove.
12041 (tree_ssa_dominator_optimize): Remove initialization and
12042 finalization of nonzero_vars and nonzero_vars_stack.
12043 (dom_opt_initialize_block): No longer push marker on
12044 nonzero_vars_stack.
12045 (dom_opt_finalize_block): No longer call
12046 restore_nonzero_vars_to_original_value.
12047 (record_equivalences_from_phis): No longer look for
12048 nonzero PHI arguments.
12049 (cprop_into_successor_phis): No longer propagate nonzero
12050 property into PHI arguments. Lose unused argument. Caller
12052 (record_equivalences_from_stmt): No longer record nonzero
12053 values for SSA_NAMEs.
12054 (lookup_avail_expr): No longer use nonzero_vars.
12056 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12057 for sizetype when sizetype is unsigned.
12059 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12061 PR rtl-optimization/25603
12062 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12063 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12064 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12065 with new meaning of SETS.
12067 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12072 * config/linux.opt: New file.
12073 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12074 LINUX_DYNAMIC_LINKER): Define.
12075 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12076 * config.gcc (*-*-linux*): Define extra_options.
12077 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12078 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12079 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12080 GLIBC_DYNAMIC_LINKER.
12081 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12082 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12083 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12085 * doc/invoke.texi (GNU/Linux Options): New section.
12087 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12089 * config/sparc/sparc.md (setjmp): Rewrite.
12090 (setjmp_32): Delete.
12091 (setjmp_64): Likewise.
12093 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12095 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12098 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12100 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12103 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12105 PR rtl-optimization/26296
12106 * Makefile.in (loop-invariant.c): Add except.h dependency.
12107 * loop-invariant.c: Include except.h.
12108 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12110 2005-02-16 Paul Brook <paul@codesourcery.com>
12112 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12115 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12117 PR rtl-optimization/25636
12118 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12119 when deciding whether an insn is an initializing insn.
12121 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12123 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12124 (tree_code_size): Ditto.
12125 * tree.h (struct tree_memory_tag): Remove parent_var.
12126 (struct tree_struct_field_tag): New.
12129 (union tree_node): Add sft member.
12130 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12132 (create_sft): Add size and offset argument, set SFT_OFFSET and
12134 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12135 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12136 * tree-flow-inline.h (get_subvar_at): Update for
12137 SFT_OFFSET/SFT_SIZE.
12138 (var_can_have_subvars): Ditto.
12139 (overlap_subvar): Ditto.
12140 * print-tree.c (print_node): Print out interesting things for
12142 * tree-flow.h (struct subvar): Remove offset and size members.
12143 * tree-ssa-operands.c (get_expr_operands): Update for
12144 get_indirect_ref_operands changes.
12145 (get_indirect_ref_operands): Call add_virtual_operand instead of
12146 add_stmt_operand. Only recurse on base var if requested.
12147 (access_can_touch_variable): New function.
12148 (add_stmt_operand): Split virtual operand handling into ...
12149 (add_virtual_operand): Here. Add offset, size, and for_clobber
12150 arguments. Prune alias sets.
12151 (add_call_clobber_ops): Call add_virtual_operand.
12153 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12155 PR middle-end/26300
12156 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12158 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12159 than TREE_CODE as index into omp_clause_num_ops array.
12161 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12163 PR rtl-optimization/26184
12164 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12166 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12167 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12168 must_precede, must_follow and tobe_scheduled.
12171 * opts.c (common_handle_option): Free new_option pointer.
12172 * df-core.c (df_analyze): Free postorder pointer.
12174 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12176 * Makefile.in: Fix the examples about the use of stamps
12178 2006-02-15 Michael Matz <matz@suse.de>
12180 PR middle-end/22275
12182 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12183 influenced by maximum_field_alignment or DECL_PACKED.
12184 (update_alignment_for_field): Ditto.
12185 (place_field): Ditto.
12186 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12189 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12191 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12192 (debug_flow_info): Pass it.
12193 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12194 * bb-reorder.c (reorder_basic_blocks): Likewise.
12195 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12196 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12197 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12198 * gcse.c (gcse_main, bypass_jumps): Likewise.
12199 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12200 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12201 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12202 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12203 * rtl.h (dump_flow_info): Adjust prototype.
12204 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12205 * var-tracking.c (variable_tracking_main): Likewise.
12206 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12207 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12210 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12212 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12215 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12217 PR tree-optimization/26209
12218 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12219 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12221 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12223 2006-02-14 Roger Sayle <roger@eyesopen.com>
12225 PR middle-end/23670
12226 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12227 (X,Y) and the corresponding symmetry related transformations.
12228 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12229 (X,Y) and its symmetry related transformations.
12231 2006-02-14 Roger Sayle <roger@eyesopen.com>
12233 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12236 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12238 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12240 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12243 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12244 support COMDAT group.
12245 * configure: Regenerate.
12247 2006-02-14 Roger Sayle <roger@eyesopen.com>
12249 PR middle-end/26279
12250 PR middle-end/26280
12251 PR middle-end/26283
12252 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12254 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12256 Fix PR tree-optimization/26260
12258 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12260 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12261 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12262 * tree-ssa-structalias.c (create_variable_info_for): Use
12263 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12265 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12267 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12269 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12270 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12271 of the ending condition.
12272 * tree-ssa-loop-manip.c: Include params.h.
12273 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12274 tree_unroll_loop): New functions.
12275 * tree-pass.h (pass_loop_prefetch): Declare.
12276 * loop.c (rest_of_handle_loop_optimize): Test for
12277 -fprefetch-loop-arrays-rtl.
12278 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12279 * timevar.def (TV_TREE_PREFETCH): New timevar.
12280 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12281 pass_loop_prefetch): New.
12282 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12283 (cleanup_tree_cfg_loop): Call scev_reset.
12284 * common.opt (fprefetch-loop-arrays-rtl): Add.
12285 * tree-ssa-loop-prefetch.c: New file.
12286 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12287 (new_temp_expr_table): Initialize expr_vars.
12288 (free_temp_expr_table): Cleanup expr_vars.
12289 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12290 expressions from being merged into one.
12291 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12292 (struct tree_niter_desc): Add control, bound and cmp fields.
12293 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12295 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12296 (tree-cfgcleanup.o): Add SCEV_H dependency.
12297 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12298 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12300 2006-02-14 Richard Guenther <rguenther@suse.de>
12302 PR tree-optimization/26258
12303 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12304 in PHI argument processing.
12306 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12308 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12309 new expression in the requested machine mode.
12311 2006-02-13 Roger Sayle <roger@eyesopen.com>
12313 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12314 directly, instead let do_compare_rtx_and_jump handle this for us.
12315 * expr.c (expand_expr_real_1): Likewise.
12316 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12317 before do_jump_by_parts_greater.
12318 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12319 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12321 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12323 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12325 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12327 PR rtl-optimization/26235
12328 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12329 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12332 2006-02-13 Jeff Law <law@redhat.com>
12334 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12337 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12339 PR middle-end/26092
12340 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12341 twice if decl is a builtin. When trying again, call get_callee_fndecl
12342 first to verify it is still a builtin.
12344 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12346 * dwarf2out.c (base_type_die): Don't add AT_name here.
12347 (subrange_type_die): Don't add AT_name here.
12348 (modified_type_die): Rearrange code flow. Do add AT_name here.
12350 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12352 PR rtl-optimization/26247
12353 PR rtl-optimization/26248
12354 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12356 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12358 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12359 * config/fixtfdi.c: Likewise.
12360 * config/fixunstfdi.c: Likewise.
12361 * config/floatditf.c: Likewise.
12363 2006-02-13 Roger Sayle <roger@eyesopen.com>
12365 PR middle-end/24427
12366 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12367 into (X,C2) if C1 is a subset of the bits of C2. Transform
12368 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12370 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12372 2006-02-13 Josh Conner <jconner@apple.com>
12375 * varasm.c (function_section): Check for section name before
12376 calling select_section on targets that define
12377 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12378 unlikely_text_section instead of hot_function_section if
12379 first_function_block_is_cold.
12381 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12383 PR middle-end/25335
12384 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12386 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12388 PR rtl-optimization/26222
12389 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12390 after tree->rtl expansion.
12391 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12392 before passing it to emit_move_insn.
12394 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12396 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12398 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12399 Clarify documentation.
12400 * c-common.h (warn_write_strings): Remove.
12401 * c-common.c (warn_write_strings): Likewise.
12402 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12405 2006-02-12 Roger Sayle <roger@eyesopen.com>
12407 PR middle-end/25724
12408 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12409 (do_jump_parts_zero_rtx): New function renamed from
12410 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12411 (do_jump_parts_equality_rtx): New function split out from
12412 do_jump_parts_equality. Old implementation renamed as above.
12413 Call do_jump_parts_zero_rtx if either operand is zero.
12414 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12415 do all of the heavy lifting.
12416 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12417 calling either do_jump_by_parts_greater_rtx or
12418 do_jump_by_parts_equality_rtx.
12419 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12420 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12421 moved to do_compare_rtx_and_jump, call it directly.
12422 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12423 mode argument. Call do_compare_rtx_and_jump.
12424 (emit_case_nodes): Update calls to do_jump_if_equal.
12426 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12428 PR rtl-optimization/26225
12429 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12431 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12433 PR rtl-optimization/26232
12434 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12436 2006-02-11 Jason Merrill <jason@redhat.com>
12439 * tree-inline.c (declare_return_variable): Just don't use the
12440 modify target if it's a gimple complex reg and the return slot
12443 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12445 * doc/contrib.texi: Update my entry.
12447 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12449 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12451 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12453 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12456 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12458 * doc/invoke.texi (-floop-optimize2): Removed.
12459 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12460 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12461 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12462 * common.opt (floop-optimize2): Removed.
12463 (fmove-loop-invariants): Enabled by default.
12465 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12467 * tree-if-conv.c (combine_blocks): Free the result of
12468 get_loop_exit_edges.
12470 2006-02-10 Jeff Law <law@redhat.com>
12472 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12474 PR tree-optimization/26213
12475 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12476 loop trying to follow SSA_NAME_VALUE chains.
12478 2006-02-10 Richard Guenther <rguenther@suse.de>
12480 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12481 deal with structures that end in implicitly variable sized arrays.
12483 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12485 PR rtl-optimization/24762
12486 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12489 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12491 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12492 (struct ivopts_data): Add regs_used field.
12493 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12494 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12495 instead of loop_data->regs_used;
12496 (free_loop_data): Do not free aux fields for loops.
12497 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12498 and tree_ssa_iv_optimize_finalize.
12500 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12502 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12504 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12507 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12508 computing the effective result type.
12510 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12512 PR inline-asm/16194
12513 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12514 (tree_overlaps_hard_reg_set): Declare.
12515 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12516 type and signature to match function type expected by walk_tree.
12517 (tree_overlaps_hard_reg_set): New function.
12518 (decl_conflicts_with_clobbers_p): Rename to:
12519 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12520 Use tree_overlaps_hard_reg_set. Changed caller.
12521 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12522 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12523 * cris.c (cris_md_asm_clobbers): Likewise.
12525 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12527 * reload1.c (emit_input_reload_insns): Delete code that tries to
12528 inherit using find_equiv_reg.
12530 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12532 * c-common.h (flag_const_strings): Don't declare.
12533 * c-common.c (flag_const_strings): Remove.
12534 * c.opt (fconst_strings): Remove.
12535 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12536 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12537 (c_common_init_options): Don't set flag_const_strings.
12538 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12540 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12542 * arm.md (tlobits_cbranch): New pattern.
12543 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12544 testing a single bit.
12546 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12549 * tree-ssa-pre.c (create_component_ref_by_pieces):
12550 Handle RETURN_DECL like VAR_DECL.
12552 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12554 PR middle-end/26134
12555 * fold-const.c (fold_indirect_ref_1): Fold
12556 "*(foo *)&complexfoo" to "__real__ complexfoo"
12557 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12559 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12561 * tree-flow-inline.h (var_can_have_subvars):
12562 Volatile variables should not have subvariables.
12564 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12567 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12568 multiplying unsigned values.
12571 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12573 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12575 2006-02-08 Jason Merrill <jason@redhat.com>
12578 * tree.def: Elaborate on difference from MODIFY_EXPR.
12579 * doc/c-tree.texi (INIT_EXPR): Likewise.
12580 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12581 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12582 (gimplify_target_expr): Likewise.
12583 (gimplify_cond_expr): Remove target handling.
12584 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12585 (gimplify_expr): Clobber it here.
12586 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12587 Do return slot optimization if we have an INIT_EXPR.
12590 * tree-inline.c (declare_return_variable): Also clear
12591 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12594 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12596 PR middle-end/22439
12597 * gimplify.c (gimplify_one_sizepos): Fix typo.
12599 2006-02-08 Jeff Law <law@redhat.com>
12601 PR tree-optimization/21417
12602 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12603 across a backedge if the control statement at the end of the
12604 block is data dependent on other statements in the same block.
12605 (record_temporary_equivalences_from_stmts): Remove over-conservative
12606 test for threading across backedges.
12608 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12609 control statement, handle all three special cases in the same
12610 manner as they all have the same desired solution. No longer
12611 special case edge flag updating when the post dominator is
12614 2006-02-08 Roger Sayle <roger@eyesopen.com>
12616 * tree.def (CHAR_TYPE): Remove.
12617 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12618 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12619 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12620 (gen_string_type_die): Delete unreachable function.
12622 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12623 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12624 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12625 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12626 * builtins.c (type_to_class): Likewise.
12627 * fold-const.c (fold_convert, build_range_check,
12628 merge_ranges): Likewise.
12629 * expr.c (count_type_elements): Likewise.
12630 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12631 * stor-layout.c (layout_type): Likewise.
12632 * ipa-type-escape.c (type_to_consider): Likewise.
12633 * gimplify.c (omp_firstprivatize_type_sizes,
12634 gimplify_type_sizes): Likewise.
12635 * explow.c (promote_mode): Likewise.
12636 * tree-sra.c (is_sra_scalar_type): Likewise.
12637 * varasm.c (output_constant): Likewise.
12638 * tree-inline.c (remap_type_1): Likewise.
12639 * convert.c (convert_to_pointer, convert_to_real,
12640 convert_to_integer, convert_to_complex): Likewise.
12642 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12644 * df-scan.c (df_def_record_1): A set destination may
12645 be a parallel regardless of mode.
12647 2006-02-08 Roger Sayle <roger@eyesopen.com>
12650 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12651 * config/mips/_tilib.c: Remove.
12652 * config/fixtfdi.c: New libgcc source file.
12653 * config/fixunstfdi.c: New source file.
12654 * config/floatditf.c: New source file.
12655 * config/floatunditf.c: New souce file.
12656 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12657 files above instead of config/mips/_tilib.c.
12658 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12660 2006-02-08 Jeff Law <law@redhat.com>
12662 PR tree-optimization/26169
12663 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12666 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12668 * df.h (DF_REG_SIZE): Return the length of the initialized
12671 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12673 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12674 __muldf3): Return a correctly signed zero.
12676 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12678 * passes.c (register_one_dump_file): Accept the current properties
12679 instead of pass number. Adjust call to dump_register. Remove
12681 (register_dump_files): Now a wrapper around...
12682 (register_dump_files_1): ... this one. Do not modify the pass
12684 (next_pass_1): Cosmetic fix.
12685 (execute_todo): Keep second parameter only. Use curr_properties
12686 instead of fetching it from the pass structure. Check and set
12688 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12689 instead of fetching it from the pass structure. Fix calls to
12690 execute_todo. Update curr_properties and initialize .vcg RTL dump
12691 after running the pass. Reset last_verified.
12692 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12694 (FIRST_AUTO_NUMBERED_DUMP): New.
12695 (dump_register): Remove "num" parameter, assign it within the
12697 (get_dump_file_name): Modify template for dumps.
12698 * tree-dump.h (dump_register): Adjust prototype.
12699 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12700 (PROP_trees): Add PROP_gimple_lomp.
12701 (TODO_set_props): New.
12702 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12703 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12704 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12706 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12708 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12709 (sparc64-*-linux*): Likewise.
12710 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12711 * config/sparc/t-linux: New file.
12712 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12713 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12714 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12715 -m32 -mlong-double-128.
12717 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12718 * config/alpha/t-linux: New file.
12719 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12721 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12722 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12723 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12724 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12725 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12726 (CPP_ARCH32_SPEC): Remove.
12728 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12730 PR tree-optimization/26145
12731 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12734 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12737 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12738 >= 240000 when generating code for SOM runtime.
12739 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12740 to $$dyncall when generating code for SOM runtime..
12742 2006-02-07 Dirk Mueller <dmueller@suse.com>
12745 * doc/invoke.texi (-Wsequence-point): Update documentation
12746 that -Wsequence-point is implemented for C++ as well.
12748 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12750 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12751 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12752 (LIB_SPEC): Likewise.
12753 * doc/invoke.texi (SPARC options): Document -pthread.
12755 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12757 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12760 2006-02-07 Roger Sayle <roger@eyesopen.com>
12762 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12763 Correct comment describing BOOLEAN_TYPE.
12765 2006-02-07 Dirk Mueller <dmueller@suse.com>
12767 * c.opt: C++ frontend supports -Wdiv-by-zero.
12768 * c-opts.c (c_common_handle_option): Remove dead case.
12770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12772 * configure.ac (TLS assembler check): Do not enable TLS by
12773 default on SPARC/Solaris before version 10.
12774 * configure: Regenerate.
12776 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12778 * doc/invoke.texi (xl-compat): Document conversion and support
12781 2006-02-07 Jeff Law <law@redhat.com>
12783 * tree-vrp.c (find_conditional_asserts): Update comments.
12784 (simplify_stmt_for_jump_threading): New.
12785 (identify_jump_threads, finalize_jump_threads): New.
12786 (vrp_finalize): Call identify_jump_threads.
12787 (execute_vrp): Call finalize_jump_threads.
12788 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12789 (vrp_element, vrp_data, vrp_element_p): Remove.
12790 (vrp_hash_elt, vrp_variables_stack): Remove.
12791 (vrp_hash, vrp_eq, record_range): Remove.
12792 (simplify_cond_and_lookup_avail_expr): Remove.
12793 (extract_range_from_cond): Remove.
12794 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12795 (simplify_stmt_for_jump_threading): New.
12796 (dom_thread_across_edge): New wrapper.
12797 (tree_ssa_dominator_optimize): No longer initialize or
12798 finalize any of the VRP datastructures. Remove iteration
12799 step and simplify as a result of removal of iteration step.
12800 (pass_dominator): Perform a cfg cleanup after DOM.
12801 (dom_opt_finalize_block): Use the new common routines
12802 for threading jumps. Simplify stack management slightly.
12803 No longer need to unwind VRP state.
12804 (record_equivalences_from_incoming_edge): No longer record
12806 (eliminate_redundant_computations): No longer call
12807 simplify_cond_and_lookup_avail_expr.
12808 * tree-flow.h (potentially_threadable_block): Prototype.
12809 (thread_across_edge): Likewise.
12810 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12811 (tree-ssa-threadedge.o): Add dependencies.
12812 * tree-ssa-threadedge.c: New file.
12813 * passes.c (init_optimization_passes): Merge PHIs before
12814 calling VRP. Run VRP again late in the SSA optimization pipeline.
12816 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12818 * df-core.c (df_set_blocks): Do not dereference function pointers.
12819 (df_finish1): Likewise.
12820 (df_hybrid_search_forward): Likewise.
12821 (df_hybrid_search_backward): Likewise.
12822 (df_iterative_dataflow): Likewise.
12823 (df_analyze_problem): Likewise.
12824 (df_compact_blocks): Likewise.
12825 (df_dump): Likewise.
12826 * df-scan.c (df_rescan_blocks): Likewise.
12827 (df_record_entry_block_defs): Likewise.
12829 * genconditions.c (write_conditions): Guard the definition of
12830 'insn_conditions' with the check on GCC version.
12831 (write_writer): Guard the traversal 'insn_conditions' with
12832 the check on GCC version.
12834 2006-02-07 Richard Guenther <rguenther@suse.de>
12838 2006-01-30 Richard Guenther <rguenther@suse.de>
12840 * gimplify.c (gimplify_target_expr): Handle easy cases
12841 without creating a temporary.
12843 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12845 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12846 use of float in probability computations. Use edge probabilities
12847 in place of statically computed probabilities.
12848 (min_spec_prob): New static variable.
12849 (schedule_insns): Initialize it.
12850 (GET_SRC_PROB): Removed.
12851 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12853 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12856 * config/ia64/unwind-ia64.c: Revert last change.
12857 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12858 (INCOMING_FRAME_SP_OFFSET): Define.
12860 2006-02-06 Roger Sayle <roger@eyesopen.com>
12862 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12864 2006-02-07 Ben Elliston <bje@au.ibm.com>
12866 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12867 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12868 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12869 (ix86_return_in_memory): Handle TDmode.
12870 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12871 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12873 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12875 * reorg.c (dbr_schedule): Use dump_file instead of file.
12877 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12880 * config/ia64/predicates.md (extr_len_operand): New predicate.
12881 * config/ia64/ia64.md (extv): Tighten constraints.
12883 (*tbit_and_2): Ditto.
12884 (*tbit_and_3): Ditto.
12885 (*tbit_or_2): Ditto.
12886 (*tbit_or_3): Ditto.
12887 (*bit_zero): Ditto.
12890 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12893 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12895 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12897 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12898 loop_optimizer_init and loop_optimizer_finalize
12899 * tree-ssa-sink.c (execute_sink_code): Ditto.
12900 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12901 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12902 tree_ssa_loop_done): Ditto.
12903 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12904 * sched-ebb.c: Include output.h.
12905 (schedule_ebbs): Do not use dump argument.
12906 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12907 * loop.c (loop_dump_stream): Removed.
12908 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12910 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12911 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12912 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12913 loop_iterations, strength_reduce, record_biv, record_giv,
12914 final_giv_value, check_final_value, check_ext_dependent_givs,
12915 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12916 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12917 dump_file instead of loop_dump_stream.
12918 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12919 argument dump_file.
12920 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12922 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12923 * haifa-sched.c: Include output.h
12924 (schedule_insns, sched_init): Do not use dump argument.
12925 * mode-switching.c (optimize_mode_switching): Ditto.
12926 * modulo-sched.c (stats_file): Removed.
12927 (print_node_sched_params): Do not call argument dump_file.
12928 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12929 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12931 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12933 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12934 rtl_loop_init, rtl_loop_done): Ditto.
12935 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12936 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12938 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12939 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12940 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12941 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12942 * emit-rtl.c (renumber_insns): Ditto.
12943 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12944 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12945 * regclass.c (regclass): Ditto.
12946 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12947 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12948 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12949 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12951 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12952 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12954 * gcse.c (gcse_file, debug_stderr): Removed.
12955 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12956 rest_of_handle_gcse): Do not use dump argument.
12957 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12958 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12959 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12960 compute_code_hoist_vbeinout, compute_code_hoist_data,
12961 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12962 compute_store_table, build_store_vectors, insert_insn_start_bb,
12963 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12964 store_motion): Use dump_file instead of gcse_file.
12965 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12966 * profile.c (profile_dump_file): Removed.
12967 (branch_prob): Use dump_file instead of profile_dump_file.
12968 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12970 * tree-ssa-copy.c (dump_copy_of): Ditto.
12971 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12972 dump file to life_analysis.
12973 * bt-load.c (branch_target_load_optimize): Ditto.
12974 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12976 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12977 regclass, dbr_schedule): Declaration changed.
12978 * sched-int.h (sched_init): Declaration changed.
12979 * tree-profile.c (tree_profile_dump_file): Removed.
12980 (tree_profile_hooks): Removed profile_dump_file hook.
12981 * rtl-profile (rtl_profile_dump_file): Removed.
12982 (rtl_profile_hooks): emoved profile_dump_file hook.
12983 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12985 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12986 * tree-cfg.c (build_tree_cfg): Ditto.
12987 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12988 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12989 Declaration changed.
12990 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12991 life_analysis and schedule_insns.
12992 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12994 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12996 * config/mips/mips.c (mips_reorg): Ditto.
12997 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13000 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13002 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13003 (s390_mangle_fundamental_type): New.
13004 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13007 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13008 (alpha_mangle_fundamental_type): New.
13009 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13012 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13014 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13016 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13017 (sparc_mangle_fundamental_type): New.
13019 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13021 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13022 (s390x-*-linux*): Likewise.
13023 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13024 * config/s390/t-linux: New file.
13026 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13028 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13029 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13031 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13033 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13034 (ANTIC_SAFE_LOADS): New macro.
13035 (find_or_generate_expression): Add prototype.
13036 (set_contains_value): Allow null set for sake of not always having
13037 to allocate ANTIC_SAFE_LOADS.
13038 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13039 Allow COMPONENT_REF too.
13040 (valid_in_set): Allow COMPONENT_REF.
13041 Check ANTIC_SAFE_LOADS too.
13042 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13043 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13045 (can_PRE_operation): Add COMPONENT_REF.
13046 (create_component_ref_by_pieces): New function.
13047 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13048 (insert_aux): Move AGGREGATE_TYPE_P check here.
13049 (compute_avail): Set bb local stmt uids.
13050 (pass_pre): Use TODO_update_ssa_only_virtuals.
13052 2006-02-06 Ben Elliston <bje@au.ibm.com>
13054 * configure.ac: Unconditionally disable decimal float by default.
13055 * configure: Regenerate.
13057 2006-02-06 Ben Elliston <bje@au.ibm.com>
13059 * read-rtl.c (read_name): Terminate reading on EOF.
13061 2006-02-06 Ben Elliston <bje@au.ibm.com>
13063 * dfp.c (decimal_real_arithmetic): Change second argument type
13064 from int to enum tree_code. Do not always return true, but now
13065 return result of any call to decimal_do helper functions.
13066 * dfp.h (decimal_real_arithmetic): Update prototype.
13068 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13070 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13072 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13075 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13078 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13080 * tree-vrp.c (cfg_loops): Removed.
13081 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13082 Use current_loops instead of cfg_loops. Pass flags to
13083 loop_optimizer_init.
13084 * cfgloopmanip.c (fix_loop_structure): Update only available
13086 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13087 loop_optimizer_init.
13088 * modulo-sched.c (build_loops_structure): Removed.
13089 (sms_schedule): Use loop_optimizer_init.
13090 * loop-init.c (loop_optimizer_init): Use flags to determine
13091 which properties of loops to prepare.
13092 (rtl_loop_init): Pass flags to loop_optimizer_init.
13093 * tree-ssa-sink.c (execute_sink_code): Ditto.
13094 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13095 * tree-ssa-pre.c (init_pre): Ditto.
13096 * cfgloop.h (LOOPS_NORMAL): New.
13097 (loop_optimizer_init): Declaration changed.
13099 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13101 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13102 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13104 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13106 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13108 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13109 * pa/t-pa64: Delete quadlib.c rule.
13110 * pa/x-ada: Revert last change.
13111 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13113 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13115 PR rtl-optimization/26087
13116 * rtlanal.c (canonicalize_condition): Do not cross basic block
13119 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13122 * config/ia64/ia64.c: Include debug.h.
13123 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13124 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13125 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13126 (process_epilogue, process_set, process_for_unwind_directive):
13127 Output unwind info only if requested. Add CFA info if requested.
13128 Add new arguments as needed. Adjust callers.
13129 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13131 (DWARF2_FRAME_INFO): Define to zero.
13132 * config/ia64/unwind-ia64.c: Remove code that compensated for
13133 the CFA offset error fixed above.
13134 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13135 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13136 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13137 -funwind-tables and -fexceptions to enable frame info.
13138 (dwarf2out_frame_init): Define initial CFA even if
13139 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13140 DWARF2_UNWIND_INFO is nonzero, not just defined.
13141 (dwarf2out_frame_finish): Output non-EH call frame info only
13142 if DWARF2_FRAME_INFO is nonzero.
13143 (convert_cfa_to_loc_list,
13144 compute_frame_pointer_to_cfa_displacement): Define even if
13145 unwind info is not supported.
13146 (gen_subprogram_die): Use the above unconditionally. Remove
13147 legacy alternate code.
13148 * toplev.c (compile_file): Compile in call to
13149 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13150 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13152 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13153 Jakub Jelinek <jakub@redhat.com>
13155 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13156 IBM extended float format long double as "g" on powerpc*-linux.
13158 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13161 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13162 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13164 2006-02-03 Jason Merrill <jason@redhat.com>
13167 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13169 PR middle-end/25977
13170 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13171 on the return slot if it's an NRV.
13173 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13175 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13176 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13177 rewrite_use): Do not handle USE_OUTER.
13178 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13179 add_iv_outer_candidates, may_replace_final_value,
13180 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13181 (find_interesting_uses_op): Functionality of
13182 find_interesting_uses_outer_or_nonlin moved here.
13183 (find_interesting_uses_outside): Use find_interesting_uses_op.
13185 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13188 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13190 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13191 Ulrich Weigand <uweigand@de.ibm.com>
13194 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13195 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13196 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13197 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13199 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13200 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13201 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13202 Define secondary reloads for TFmode moves.
13203 (constant_modes): Add TFmode.
13204 (NR_C_MODES): Set to 8.
13205 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13207 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13208 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13209 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13210 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13211 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13212 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13213 (FPR mode macro): Add TFmode.
13214 (DSF mode macro): New.
13215 (<de>, <dee> mode attributes): Removed.
13216 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13217 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13218 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13219 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13220 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13221 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13222 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13223 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13224 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13225 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13226 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13227 "*negabs<mode>2", "sqrt<mode>2"):
13228 Changed <de> to <xde>. R constraint replaced by <Rf>.
13229 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13231 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13232 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13233 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13235 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13236 "extenddftf2", "extendsftf2"): New expanders.
13237 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13238 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13239 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13240 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13242 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13243 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13244 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13245 __floatditf): Add a GCC_4.1.0 symbol version tag.
13246 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13249 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13252 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13253 Use targetm.binds_local_p instead of TREE_PUBLIC.
13255 2006-02-02 Roger Sayle <roger@eyesopen.com>
13257 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13258 on INTEGER_TYPEs to indicate that it denotes a character type.
13259 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13260 signed_char_type_node, unsigned_char_type_node and char_type_node.
13261 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13262 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13263 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13265 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13266 Daniel Berlin <dberlin@dberlin.org>
13268 * tree-tailcall.c (arg_needs_copy_p): New function.
13269 (eliminate_tail_call): Use arg_needs_copy_p.
13270 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13271 (add_virtual_phis): New function.
13273 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13275 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13276 #ignore instead of #scratch for %g7 .register directive.
13278 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13280 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13283 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13285 * flow.c (calculate_global_regs_live): Assert that there aren't any
13288 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13290 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13291 what its name says.
13292 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13293 bsi_after_labels iterator.
13294 * tree-if-conv.c (find_phi_replacement_condition,
13295 replace_phi_with_cond_modify_expr): Likewise.
13296 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13297 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13299 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13301 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13303 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13306 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13307 array after growing it.
13309 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13311 PR middle-end/24901
13312 * fold-const.c (fold_checksum_tree): Change type of buf.
13314 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13316 * reload.c (push_secondary_reload): Initialize t_icode.
13318 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13320 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13321 -msoft-float -mlong-double-128 only issue a warning, but don't
13322 swich to DFmode long double.
13324 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13326 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13327 has a constant equivalent, iterate over equivalents for arg0,
13328 calling simplify_relational_operation and if there's a result
13329 cheaper than X, apply fold_rtx and return the result.
13331 2006-02-01 Jan Hubicka <jh@suse.cz>
13333 * opts.c (no_unit_at_a_time_default): New global variable.
13334 (decode_options): Use it.
13335 * opts.h (no_unit_at_a_time_default): Declare.
13337 2006-02-01 Paul Brook <paul@codesourcery.com>
13339 * function.c (assign_parm_setup_reg): Use function argument promotion
13341 * expr.c (expand_expr_real_1): Use function argument promotion rules
13344 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13346 * gcc.c (process_command): Change j to 'unsigned int'.
13348 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13350 PR middle-end/26001
13351 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13352 Use the corrected index for the character
13353 out of the string constant.
13355 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13357 * mode-switching.c (optimize_mode_switching): Fix size
13358 allocated for bb_info[n_entities].
13360 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13362 * gcc.c (main): Correct type that is allocated for
13363 explicit_link_files.
13365 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13367 * config/s390/s390.c (init_alignment_context): Set
13368 ALIAS_SET_MEMORY_BARRIER on the MEM.
13369 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13371 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13373 PR middle-end/25933
13374 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13376 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13379 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13381 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13382 * regrename.c: Ditto.
13383 * tree-ssa-loop-im.c: Ditto.
13384 * tree-dump.c: Ditto.
13385 * tree-complex.c: Ditto.
13386 * genrecog.c: Ditto.
13387 * tree-ssa-threadupdate.c: Ditto.
13389 * java/class.c: Ditto.
13390 * java/jcf-parse.c: Ditto.
13391 * java/resource.c: Ditto.
13392 * java/except.c: Ditto.
13393 * java/jvspec.c: Ditto.
13394 * java/jcf-write.c: Ditto.
13395 * java/jcf-path.c: Ditto.
13396 * java/gjavah.c: Ditto.
13397 * java/zextract.c: Ditto.
13398 * java/jcf-io.c: Ditto.
13399 * java/jcf.h: Ditto.
13400 * java/buffer.c: Ditto.
13401 * java/lang.c: Ditto.
13402 * java/parse-scan.y: Ditto.
13403 * java/lex.c: Ditto.
13404 * java/lex.h: Ditto.
13405 * cfgloopmanip.c: Ditto.
13406 * postreload-gcse.c: Ditto.
13407 * tree-ssa-loop-manip.c: Ditto.
13408 * postreload.c: Ditto.
13409 * tree-ssa-loop-ch.c: Ditto.
13412 * cppspec.c: Ditto.
13413 * diagnostic.c: Ditto.
13415 * genoutput.c: Ditto.
13417 * cfghooks.c: Ditto.
13418 * cfgloopanal.c: Ditto.
13419 * objc/objc-act.c: Ditto.
13421 * genextract.c: Ditto.
13422 * genautomata.c: Ditto.
13423 * pretty-print.c: Ditto.
13424 * genemit.c: Ditto.
13425 * cgraphunit.c: Ditto.
13427 * df-scan.c: Ditto.
13428 * haifa-sched.c: Ditto.
13429 * dominance.c: Ditto.
13431 * tree-ssa-loop-ivopts.c: Ditto.
13432 * df-core.c: Ditto.
13433 * mode-switching.c: Ditto.
13434 * modulo-sched.c: Ditto.
13436 * ipa-pure-const.c: Ditto.
13438 * fix-header.c: Ditto.
13440 * tree-stdarg.c: Ditto.
13441 * ipa-utils.c: Ditto.
13442 * loop-init.c: Ditto.
13443 * ipa-inline.c: Ditto.
13444 * cfganal.c: Ditto.
13446 * alloc-pool.c: Ditto.
13447 * dwarf2out.c: Ditto.
13449 * genattrtab.c: Ditto.
13450 * tree-ssa-loop-ivcanon.c: Ditto.
13451 * predict.c: Ditto.
13452 * timevar.c: Ditto.
13454 * fortran/gfortranspec.c: Ditto.
13455 * regmove.c: Ditto.
13456 * local-alloc.c: Ditto.
13457 * langhooks.c: Ditto.
13458 * function.c: Ditto.
13459 * tree-vectorizer.c: Ditto.
13461 * ipa-type-escape.c: Ditto.
13463 * tree-if-conv.c: Ditto.
13464 * profile.c: Ditto.
13466 * tree-data-ref.c: Ditto.
13467 * loop-unroll.c: Ditto.
13468 * treelang/treetree.c: Ditto.
13470 * bt-load.c: Ditto.
13471 * ggc-common.c: Ditto.
13473 * coverage.c: Ditto.
13475 * tree-cfgcleanup.c: Ditto.
13476 * tree-ssa-pre.c: Ditto.
13477 * cfgcleanup.c: Ditto.
13478 * loop-invariant.c: Ditto.
13479 * loop-iv.c: Ditto.
13480 * ipa-prop.c: Ditto.
13481 * print-tree.c: Ditto.
13482 * conflict.c: Ditto.
13483 * ggc-page.c: Ditto.
13484 * sched-deps.c: Ditto.
13485 * regclass.c: Ditto.
13486 * tree-object-size.c: Ditto.
13487 * combine.c: Ditto.
13488 * bb-reorder.c: Ditto.
13489 * resource.c: Ditto.
13490 * var-tracking.c: Ditto.
13491 * cfgloop.c: Ditto.
13492 * df-problems.c: Ditto.
13493 * reg-stack.c: Ditto.
13495 * gccspec.c: Ditto.
13496 * sched-rgn.c: Ditto.
13497 * tree-ssa-structalias.c: Ditto.
13498 * tree-ssa-reassoc.c: Ditto.
13499 * config/darwin-c.c: Ditto.
13500 * config/darwin.c: Ditto.
13501 * config/arm/arm.c: Ditto.
13503 * collect2.c: Ditto.
13504 * reload1.c: Ditto.
13506 2006-01-31 Nicolas Pitre <nico@cam.org>
13508 * arm.md (smaxsi3): Make aware of smax_m1.
13511 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13513 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13515 2006-01-31 Richard Guenther <rguenther@suse.de>
13517 * doc/invoke.texi (-msselibm): Document.
13518 * target.h (expand_library_builtin): New target hook.
13519 * builtins.c (expand_builtin): Use expand_library_builtin.
13520 (default_expand_library_builtin): New function.
13521 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13522 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13523 (link_gcc_math_spec): Declare.
13524 (static_specs): Add link_gcc_math_spec.
13525 * expr.h (default_expand_library_builtin): Declare.
13526 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13527 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13528 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13529 * config/i386/i386.opt (msselibm): New target option.
13530 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13531 (ix86_init_sse_abi_builtins): New function.
13532 (ix86_expand_library_builtin): Likewise.
13533 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13534 (override_options): Handle error conditions wrt -msselibm.
13535 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13536 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13537 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13540 2006-01-31 Richard Guenther <rguenther@suse.de>
13541 Paolo Bonzini <bonzini@gnu.org>
13543 * doc/install.texi (--disable-libgcc-math): Document.
13545 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13547 * expr.h (expand_normal): new inline function.
13548 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13549 * dojump.c: use it.
13550 * dwarf2out.c: use it.
13553 * expmed.c: use it.
13554 * except.c: use it.
13555 * config/sparc/sparc.c: use it.
13556 * config/i386/i386.c: use it.
13557 * config/rs6000/rs6000.c: use it.
13558 * config/arm/arm.c: use it.
13559 * config/mips/mips.c: use it.
13560 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13562 2006-01-30 Roger Sayle <roger@eyesopen.com>
13564 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13565 argv to the appropriate type.
13567 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13569 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13572 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13575 * config/s390/s390.c (struct machine_function): New flag
13576 decomposed_literal_pool_addresses_ok_p.
13577 (s390_reorg): Set it before final stage of literal pool transforms.
13578 (s390_decompose_address): Only accept displacements of the form
13579 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13581 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13583 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13584 the comparison routine return.
13586 2006-01-30 Michael Matz <matz@suse.de>
13588 * global.c (find_reg): Only evict for global regs.
13589 Take n_refs into account and dump more info.
13591 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13594 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13595 (pragma_trap, pragma_nosave_low_regs): Likewise.
13596 (current_function_anonymous_args): Likewise.
13597 (sh_deferred_function_attributes): New variable.
13598 (sh_deferred_function_attributes_tail): Likewise.
13599 (print_operand): For '@', look up trap_exit attribute.
13600 (calc_live_regs): Look up trapa_handler attribute. For trapa
13601 handlers, save/restore fpscr, but don't do any other
13602 interrupt-specific saves.
13603 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13604 Fix check for partially saved registers to check for SHmedia.
13605 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13606 (sh_output_function_epilogue): Don't clear any of the removed
13608 (sh_insert_attributes): Don't check pragma_interrupt.
13609 Insert deferred attributes. Check that interrupt attribute is
13610 present for other attributes that require its presence.
13611 (sh_attribute_table): Add new attributes trapa_handler and
13613 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13614 Don't check for pragma_interrupt. Don't store argument.
13615 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13616 (sh_deferred_function_attributes): Declare.
13617 (sh_deferred_function_attributes_tail): Likewise.
13618 * sh.md (sp_switch_1): Add operand. Change generator caller.
13619 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13620 (*return_i): Don't use when trap_exit attribute is in effect.
13621 (*return_trapa): New insn pattern.
13622 * sh-c.c: New file.
13623 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13624 setting c_target_objs and cxx_target_objs.
13625 * t-sh: Add rule for sh-c.o.
13627 2006-01-30 Richard Guenther <rguenther@suse.de>
13630 * gimplify.c (gimplify_target_expr): Handle easy cases
13631 without creating a temporary.
13633 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13635 * vec.h (safe_grow): Remove duplicated line.
13637 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13640 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13641 (expand_omp): ... here.
13642 (expand_omp_parallel): Only remove barriers for combined
13643 parallel+workshare constructs.
13645 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13649 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13650 * tree.c (build_qualified_type): Chain the new type to the original
13651 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13652 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13653 (build_pointer_type_for_mode): Only return unqualified types.
13654 (build_reference_type_for_mode): Likewise.
13656 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13658 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13659 * Makefile.in (CXX_COMPAT_WARN): Define.
13660 * configure: Regenerate.
13662 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13665 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13668 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13670 * toplev.c: Fix thinko.
13672 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13673 Marcin Dalecki <martin@dalecki.de>
13675 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13676 (push_srcloc): Use XNEW.
13677 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13679 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13681 * df-core.c (df_set_blocks): Deleted all variable.
13683 2006-01-28 Ian Lance Taylor <ian@airs.com>
13685 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13686 cgraph_output_pending_asms.
13688 2006-01-28 Zack Weinberg <zackw@panix.com>
13690 * c.opt: Add -W(no-)overlength-strings.
13691 * doc/invoke.texi: Document it.
13692 * c-opts.c (c_common_handle_option): -pedantic implies
13693 -Woverlength-strings, if not explicitly disabled already.
13694 (c_common_post_options): -Woverlength-strings defaults to off, and
13695 is always off for C++.
13696 * c-common.c (fix_string_type): Issue warning about strings longer
13697 than is portable only if warn_overlength_strings. Rearrange code
13698 a little for clarity.
13699 * configure.in: Check for -Wno-overlength-strings as well before
13700 enabling -pedantic in stage 1.
13701 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13702 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13704 * genconditions.c (write_header, write_one_condition)
13705 (write_conditions, write_writer): Consolidate very long strings
13706 that were broken up to fit in C89 portable limit. Don't use
13707 printf when fputs will do.
13709 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13711 * combine.c (simplify_comparison <AND>): Check
13712 TRULY_NOOP_TRUNCATION before start using a subreg.
13714 * config/mips/mips.md (*branch_zero<mode>,
13715 *branch_zero<mode>_inverted, *branch_equality<mode>,
13716 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13717 Remove mode check from comparisons.
13719 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13721 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13723 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13725 * expmed.c (const_mult_add_overflow_p): Remove.
13726 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13728 * recog.c (validate_replace_rtx_subexp): Remove.
13729 * recog.h: Remove the prototype for
13730 validate_replace_rtx_subexp.
13732 * integrate.h: Remove the prototype for
13733 copy_decl_for_inlining.
13734 * rtl.h: Remove the prototype for mark_constant_function.
13735 * tree-vectorizer.h: Remove the prototype for
13736 vect_strip_conversion.
13738 * modulo-sched.c (create_partial_schedule,
13739 free_partial_schedule, reset_partial_schedule): Make them
13742 * hooks.c (hook_bool_rtx_int_false): Remove.
13743 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13745 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13747 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13748 and -mlong-double-128 are incompatible.
13749 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13750 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13751 (TARGET_LIBGCC2_CFLAGS): Define.
13752 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13753 (TARGET_LIBGCC2_CFLAGS): Same.
13754 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13756 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13759 * c-typeck.c (build_binary_op): Perform implicit casts of
13760 operands before shortening them.
13762 * cfgloopmanip.c (split_loop_bb): Remove.
13763 * cfgloop.h: Remove the prototype for split_loop_bb.
13765 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13766 * cfgloop.h: Remove the prototype for
13767 flow_loop_outside_edge_p.
13769 * emit-rtl.c (init_virtual_regs): Make it static.
13770 * function.h: Remove the prototype for init_virtual_regs.
13772 * recog.c (peephole2_optimize): Make it static.
13773 * recog.h: Remove the prototype for peephole2_optimize.
13775 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13777 * df-scan.c (df_record_entry_block_defs): Check if
13778 INCOMING_RETURN_ADDR_RTX is defined.
13780 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13781 Kenneth Zadeck <zadeck@naturalbridge.com>
13783 PR rtl-optimization/24762
13784 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13785 * targhooks.c (hook_void_bitmap): New hook prototype.
13786 * targhoohs.h (hook_void_bitmap): Ditto.
13787 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13788 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13789 * target.h (live_on_entry): New function pointer.
13790 * df-scan.c (df_all_hard_regs): Removed.
13791 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13792 (df_scan_free_internal): Added df->entry_block_defs.
13793 (df_scan_alloc): Ditto.
13794 (df_scan_dump): Ditto.
13795 (df_uses_record): Plumbed flag field properly thru calls.
13796 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13797 This part fixes PR24762.
13798 (df_bb_refs_record): Added code to make the frame and arg
13799 pointers live in EH blocks.
13800 (df_refs_record): Added call to df_record_entry_block_defs.
13801 (df_record_entry_block_defs): New function.
13802 * df-core.c: Added comments to describe new artifical defs.
13803 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13804 (entry_block_defs): New field in struct df.
13805 (df_all_hard_regs): Deleted.
13806 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13807 * df-problems.c (df_ru_bb_local_compute_process_def):
13808 Added code to handle artifical defs in the entry to a function.
13809 (df_ru_bb_local_compute): Ditto.
13810 (df_rd_bb_local_compute_process_def): Ditto.
13811 (df_rd_bb_local_compute): Ditto.
13812 (df_lr_bb_local_compute): Ditto.
13813 (df_ur_bb_local_compute): Ditto.
13814 (df_urec_bb_local_compute): Ditto.
13815 (df_chain_create_bb): Ditto.
13816 (df_ur_local_finalize): Removed entry.
13817 (df_urec_init): Ditto.
13818 (df_urec_local_finalize): Ditto.
13819 (df_ri_bb_compute): Added detection of last use of pseudos.
13820 * Makefile.in (df-scan.o): Updated dependencies.
13821 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13822 * config/mips/mips.c (mips_set_live_on_entry): Added.
13823 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13825 * dce.c (marked_insn_p): Added code to handle artifical defs.
13827 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13829 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13831 (_mm_cvtsi128_si64): Likewise.
13832 (_mm_cvtsd_si64): Likewise.
13833 (_mm_cvttsd_si64): Likewise.
13834 (_mm_cvtsi64_sd): Likewise.
13835 (_mm_cvtsi64_si128): Likewise.
13836 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13837 (_mm_cvtsi64_m64): Likewise.
13838 (_m_to_int64): Likewise.
13839 (_mm_cvtm64_si64): Likewise.
13840 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13841 (_mm_cvttss_si64): Likewise.
13842 (_mm_cvtsi64_ss): Likewise.
13843 (_mm_cvtss_f32): Likewise.
13845 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13847 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13848 for pragma redefine_extname.
13850 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13853 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13854 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13855 -mno-minimal-toc to previous content.
13856 (bispecs): Remove goal.
13857 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13858 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13859 compatibility aliases on powerpc-*-*gnu*.
13860 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13861 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13862 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13863 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13864 (ldblspecs): New goal.
13865 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13866 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13868 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13869 L_sf_to_tf or L_df_to_tf is defined.
13871 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13872 Alan Modra <amodra@bigpond.net.au>
13875 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13876 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13877 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13878 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13879 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13880 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13881 (rs6000_override_options): Initialize rs6000_ieeequad.
13882 Initialize TFmode format to ibm_extended_format if not
13884 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13886 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13887 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13888 (function_arg_advance): IBM long double passed in two FPRs, not
13890 (function_arg): IBM long double passed in FPRs.
13891 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13892 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13893 Only multireg GPR aligned.
13894 (rs6000_init_libfuncs): Enable IBM long double functions if not
13896 (rs6000_generate_compare): Use IBM long double compare if not
13898 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13899 (TARGET_IEEEQUAD): Define.
13900 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13901 not TARGET_IEEEQUAD.
13902 * config/rs6000/rs6000.md: Enable TFmode patterns if
13904 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13905 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13906 and -mlong-double-128 are incompatible.
13907 * doc/invoke.texi (-mabi): Collect options together. Add
13908 ibmlongdouble and ieeelongdouble.
13910 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13912 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13914 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13915 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13916 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13917 * rtl.h (rtunion_def): Remove rt_ptr.
13919 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13920 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13921 * config/i386/winnt.c (i386_pe_mark_dllexport)
13922 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13924 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13926 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13928 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13932 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13933 pthread_key_delete. From John David Anglin. gthrw-ify
13934 pthread_getunique_np only if it it's not a macro. Delete
13936 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13937 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13938 __gthread_objc_condition_signal, __gthread_key_delete): Add
13939 "__attribute__ ((__unused__))" to unused arguments.
13940 (__gthread_recursive_mutex_init_function): Add missing return.
13941 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13942 gthr-posix95.h: Use macro-based approach for name redirection
13943 on targets missing weakref.
13945 2006-01-26 Zack Weinberg <zackw@panix.com>
13947 * genconditions.c (write_header): In generated code, #ifdef out
13948 all includes and fake declarations, except includes of bconfig.h
13949 and system.h, unless GCC_VERSION >= 3001. Do not include
13950 gensupport.h in any case.
13951 (write_conditions): Generate a definition of struct c_test. Add
13952 a comment to the generated #endif.
13953 (write_one_condition): Escape backslashes in string too.
13954 (write_writer): Generated code must escape backslashes and quote
13955 marks (but not newlines) in the strings it writes.
13956 * Makefile.in (build/gencondmd.o): Update dependencies.
13958 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13961 * Makefile.in (insn-automata.o): Add header file dependencies.
13962 * genautomata.c: Add includes.
13964 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13967 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13969 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13971 * configure.ac: Expect target tools paths to be passed from the toplevel
13972 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13974 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13976 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13979 * c.opt (Wpointer-sign): Init to -1.
13980 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13981 OPT_pedantic, to 0 otherwise.
13982 * doc/invoke.texi: Update.
13984 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13986 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13987 constants provided by 80387 instructions in the destination mode.
13989 2006-01-26 Richard Guenther <rguenther@suse.de>
13990 Andrew Pinski <pinskia@physics.uc.edu>
13993 partial PR tree-opt/17064
13994 * tree-ssa-structalias.c (intra_create_variable_infos):
13995 Create heap variables for incoming parameters if
13996 flag_argument_noalias > 1.
13997 (find_what_p_points_to): Look through default defs of
14000 2006-01-26 Jeff Law <law@redhat.com>
14003 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14004 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14005 within the VR_RANGE, use the VR_RANGE as the result, not the
14007 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14008 bounds for the type.
14010 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14012 * tree-ssa-alias.c (maybe_create_global_var): Change
14013 subvar walking to an assertion that we don't have subvar'd variables.
14015 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14018 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14019 Use a new variable, inner. PARM_DECLs are always non-weak.
14021 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14023 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14024 --disable-checking.
14026 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14028 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14030 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14032 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14033 (smax_insn, smin_insn, smax_0, smin_0): New.
14035 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14038 * config/cris/cris.c (cris_order_for_addsi3): New function.
14039 * config/cris/cris-protos.h: Prototype it.
14040 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14041 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14042 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14043 (split for "op.S1 [rx=rx+i],ry (swapped)")
14044 (split for "op(s|u).S1 [rx=rx+i],ry")
14045 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14046 Apply cris_order_for_addsi3 when generating addsi3 insns.
14048 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14050 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14051 (TREE_BLOCK): Add call to EXPR_CHECK.
14053 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14056 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14057 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14058 (dump_omp_clauses): ... here.
14059 (dump_generic_node): Handle OMP_CLAUSE.
14060 * tree.c (omp_clause_num_ops): New.
14061 (omp_clause_code_name): New.
14062 (tree_code_size): Handle OMP_CLAUSE.
14063 (tree_size): Likewise.
14064 (make_node): Document handling of OMP_CLAUSE.
14065 (tree_node_structure): Handle OMP_CLAUSE.
14066 (omp_clause_check_failed): New.
14067 (omp_clause_range_check_failed): New.
14068 (omp_clause_operand_check_failed): New.
14069 (build_omp_clause): New.
14070 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14071 * tree.h (enum omp_clause_code): Declare.
14072 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14073 (OMP_CLAUSE_RANGE_CHECK): Define.
14074 (OMP_CLAUSE_ELT_CHECK): Define.
14075 (omp_clause_check_failed): Declare.
14076 (omp_clause_operand_check_failed): Declare.
14077 (omp_clause_range_check_failed): Declare.
14078 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14079 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14080 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14081 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14082 (OMP_CLAUSE_IF_EXPR): Likewise.
14083 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14084 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14085 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14086 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14087 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14088 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14089 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14090 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14091 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14092 (OMP_CLAUSE_CODE): Define.
14093 (OMP_CLAUSE_SET_CODE): Define.
14094 (OMP_CLAUSE_CODE): Define.
14095 (OMP_CLAUSE_OPERAND): Define.
14096 (struct tree_omp_clause): Declare.
14097 (union tree_node): Add field 'omp_clause'.
14098 * treestruct.def (TS_OMP_CLAUSE): Define.
14099 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14100 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14101 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14102 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14103 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14104 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14105 (OMP_CLAUSE): Define.
14106 * print-tree.c (print_node): Handle OMP_CLAUSE.
14107 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14108 * c-typeck.c: Likewise.
14109 * gimplify.c: Likewise.
14110 * c-omp.c: Likewise.
14111 * tree-nested.c: Likewise.
14112 * tree-inline.c: Likewise.
14113 * c-parser.c: Likewise.
14114 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14117 2006-01-25 Roger Sayle <roger@eyesopen.com>
14119 PR rtl-optimization/25703
14120 * combine.c (try_combine): Handle zero_extract and strict_low_part
14121 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14123 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14125 * global.c: Fix comment typos.
14127 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14130 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14131 Use output_addr_const instead of assemble_name.
14133 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14135 * Makefile.in (sched-vis.o): Update dependencies.
14136 * haifa-sched.c (sched_finish): Clear current_sched_info.
14137 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14138 (dump_flow_info): Call it.
14139 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14141 * basic-block.h (dump_bb_info): Declare.
14142 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14143 option, and apply options only for dump files whose TDF_RTL,
14144 TDF_TREE, or TDF_IPA bits match.
14145 * rtl.h: Declare new functions exported from sched-vis.c.
14146 * sched-vis.c: Enable also if scheduling is not used.
14147 (print_value): Print the mode of registers if not inside scheduling.
14148 (print_insn): Make it work outside the scheduler. Beautify the output
14150 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14152 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14154 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14155 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14156 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14157 depending on the value of CONSTANT_POOL_ADDRESS_P.
14158 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14160 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14161 rather than SYMBOL_REF_DECL.
14162 (rtx_constant_pool): Remove const_rtx_sym_htab.
14163 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14164 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14165 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14166 Remove handling of const_rtx_sym_htab.
14167 (find_pool_constant): Delete.
14168 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14169 rather than find_pool_constant.
14170 (get_pool_constant_for_function): Delete.
14171 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14172 find_pool_constant.
14173 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14174 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14175 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14176 (SYMBOL_REF_CONSTANT): New macro.
14177 (get_pool_constant_for_function): Delete.
14178 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14179 rather than SYMBOL_REF_DECL.
14180 (i386_pe_mark_dllimport): Likewise.
14181 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14182 rather than SYMBOL_REF_DECL.
14183 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14184 (machopic_indirect_call_target): Likewise.
14186 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14188 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14190 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14192 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14194 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14196 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14198 2006-01-24 David Daney <ddaney@avtrex.com>
14201 * configure.ac (enable_tls): New enable option.
14202 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14203 * configure: Regenerate.
14204 * doc/install.texi (--enable-tls): Document new option.
14205 (--disable-tls): Ditto.
14207 2006-01-24 Richard Henderson <rth@redehat.com>
14209 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14210 * alias.c (true_dependence): Respect it.
14211 (canon_true_dependence, write_dependence_p): Likewise.
14212 * builtins.c (get_builtin_sync_mem): Set it.
14214 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14216 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14219 2006-01-24 DJ Delorie <dj@redhat.com>
14221 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14222 for storing constants in single-bit bitfields.
14224 2006-01-25 Ben Elliston <bje@au.ibm.com>
14226 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14228 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14231 * tree-ssa-pre.c (phi_translate): Return NULL
14232 for AGGREGATE_TYPE's.
14234 2006-01-24 Zack Weinberg <zackw@panix.com>
14236 * genautomata.c (process_state_for_insn_equiv_partition):
14237 Use xcalloc for insn_arcs_array.
14238 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14239 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14241 2006-01-24 Richard Henderson <rth@redhat.com>
14243 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14244 update all callers.
14246 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14248 PR rtl-optimization/25890
14249 PR rtl-optimization/25905
14250 * combine.c (expand_compound_operation, expand_field_assignment):
14251 Fail if the bitfield's final position is out of bounds.
14253 2006-01-24 Ian Lance Taylor <ian@airs.com>
14255 PR middle-end/25930
14256 * cgraphunit.c (cgraph_output_in_order): Don't clear
14257 cgraph_asm_nodes until after asm strings have been output.
14259 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14261 * fix-header.c (read_scan_file): Add new parameter imultilib when
14262 calling register_include_chains.
14264 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14266 * omp-low.c: Update documentation.
14268 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14269 Daniel Berlin <dberlin@dberlin.org>
14273 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14274 return from the function.
14276 2006-01-22 Zack Weinberg <zackw@panix.com>
14278 * rtl.def (match_code): Add second argument.
14279 * genpreds.c (write_extract_subexp): New function.
14280 (write_match_code): Add path argument. Use write_extract_subexp.
14281 (write_predicate_expr): Pass path to write_match_code.
14282 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14283 not perform a mode test.
14284 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14285 a subexpression does not constrain the top-level code set.
14286 * read-rtl.c (read_rtx_variadic): New function.
14287 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14288 * doc/md.texi: Document new notation.
14289 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14290 (cmpsi_operand): ... here, using new notation.
14292 2006-01-22 Zack Weinberg <zackw@panix.com>
14294 * varray.c: Remove GENERATOR_FILE #ifdefs.
14296 2006-01-22 Zack Weinberg <zackw@panix.com>
14298 * genautomata.c (output_reserved_units_table): Emit nothing if
14299 description->query_units_num is zero. Remove extra blank line.
14300 (output_cpu_unit_reservation_p): Short circuit
14301 if description->query_units_num is zero.
14303 2006-01-22 Zack Weinberg <zackw@panix.com>
14305 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14306 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14307 nor any of the random handful of variables that used to be necessary
14308 when this program was linked with rtlanal.o. Prune set of forward
14309 function declarations.
14310 (struct attr_desc): Remove static_p field.
14311 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14312 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14313 (attr_string): Do not read the character one past the length of
14315 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14316 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14317 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14318 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14319 (make_automaton_attrs): New.
14320 (main): Do not call into genautomata. Call local gen_bypass
14321 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14322 Remove special case for insn_alts.
14323 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14324 varray.h (leftover from previous change). Prune set of forward
14325 function declarations. Remove state_alts fields from all
14326 structures. Remove state_alts_table from struct automaton.
14327 Make everything except main static. Do not maintain num_dfa_decls.
14328 Do not maintain state_alts fields of various structures.
14329 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14330 (add_arc): Remove state_alts argument. All callers updated.
14331 (output_reserved_units_table): Emit #ifdef here...
14332 (output_tables): ...not here. Don't generate state_alts tables.
14333 (expand_automata): Don't generate attributes.
14334 (write_automata): Don't generate state_alts functions.
14335 (main): New function.
14336 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14337 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14338 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14339 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14340 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14341 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14342 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14343 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14345 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14346 * genattrtab.h: Delete file.
14347 * Makefile.in (OBJS-common): Add insn-automata.o.
14348 (insn-automata.o): New rule.
14349 (simple_generated_c): Add insn-automata.c.
14350 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14351 (genprogmd): Add automata.
14352 (build/genattrtab): Needs no extra objects nor libraries.
14353 (build/genautomata): Needs build/vec.o and -lm.
14355 2006-01-22 Zack Weinberg <zackw@panix.com>
14357 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14358 (output_dfa_max_issue_rate, locked_states_num): Delete.
14359 (struct automaton): Add locked_states field.
14360 (output_dead_lock_vect): Save number of locked states in
14361 automaton->locked_states. If it is zero, don't print anything.
14362 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14363 (output_internal_dead_lock_func): Only test the dead_lock_vect
14364 for automata that have locked states.
14365 (output_statistics): Always print the number of locked states for
14366 each automaton. Calculate total number of locked states here.
14367 (write_automata): Don't call output_dfa_max_issue_rate.
14368 * genattrtab.c: Define length_unit_log as a const variable.
14369 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14370 max_insn_queue_index const.
14371 * final.c (length_unit_log): Declare const.
14372 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14374 2006-01-22 Zack Weinberg <zackw@panix.com>
14376 * genautomata.c: Include vec.h, not varray.h.
14377 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14378 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14379 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14380 VEC_* macros operating on appropriately typed vectors, or to
14381 malloced arrays when the size is known in advance. Const-ify
14382 many char* variables and function arguments. No functional changes.
14383 * Makefile.in (build/varray.o): Delete rule.
14384 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14385 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14387 2006-01-22 Zack Weinberg <zackw@panix.com>
14389 * gensupport.c: Define get_insn_name and record_insn_name here.
14390 (read_md_rtx): Call record_insn_name as appropriate.
14391 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14392 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14393 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14395 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14396 (BUILD_VARRAY): Delete.
14397 (genprognormal): Rename genprogmd. Fold in all programs from
14398 genprognoprint; also attrtab.
14399 (build/genattrtab): Just mention genautomata.o and varray.o.
14400 Reorganize a bit, add comments to make the categories clearer.
14402 2006-01-22 Zack Weinberg <zackw@panix.com>
14404 * genconditions.c (condition_table, add_condition): Delete.
14405 (write_conditions): Don't emit n_insn_conditions nor
14406 insn_elision_unavailable. Issue the gcc version #ifdef here,
14407 inside the table, with no #else clause ...
14408 (write_header): ...not here.
14409 (write_writer): New function.
14410 (main): Don't initialize condition_table. Use add_c_test.
14412 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14413 files on the command line.
14414 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14415 Return -1 if there is no entry in the table, don't abort.
14416 (add_c_test, traverse_c_tests): New functions.
14417 * gensupport.h (insn_elision_unavailable, insn_conditions)
14418 (n_insn_conditions): Delete declarations.
14419 (add_c_test, traverse_c_tests): Declare.
14420 * read-rtl.c: Include gensupport.h.
14421 (read_conditions): New function.
14422 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14423 (read_rtx_1): If we get EOF when we were looking for an initial
14424 open paren, return 0. Call read_conditions when appropriate.
14425 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14426 dummy-conditions.o. Eliminate references to insn-conditions.o,
14427 or change them to build/gencondmd.o, as appropriate. Remove
14428 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14429 from $(simple_generated_c). For all files remaining in those
14430 two lists, add insn-conditions.md to the generator command line.
14431 Give insn-constants.h/s-constants their own rules. Add rules
14432 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14433 (build/read-rtl.o): Depend on gensupport.h.
14434 (genprognormal): Include preds.
14435 (genprogearly): Rename genprognoprint; only difference is now that
14436 they don't link with $(BUILD_PRINT).
14437 * dummy-conditions.c: Delete.
14439 2006-01-22 Zack Weinberg <zackw@panix.com>
14441 * genextract.c: Don't include insn-config.h. Do include vec.h.
14442 Declare vectors of int, char, and locstr.
14443 (locstr): New typedef.
14444 (struct extraction): Make all array fields into bare pointers.
14445 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14446 (insn_code_number): Delete.
14447 (accum_extract): New struct.
14448 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14449 (gen_insn): Take insn_code_number as an argument. Use an
14450 accum_extract structure instead of loading data directly into
14451 a struct extraction, and having to know how big it might get.
14452 (walk_rtx): Operate entirely on an accum_extract structure.
14453 (print_path): Avoid unnecessary use of printf.
14454 (print_header): New function, split out of main. Distinguish
14455 more carefully between an unrecognizable insn and an insn that
14456 has the code number of a define_expand.
14457 (main): Pass insn_code_number to gen_insn. Call print_header
14458 only after parsing. Avoid unnecessary use of printf.
14459 * Makefile.in (build/vec.o): New rule.
14460 (build/genextract): Depend on build/vec.o.
14461 (build/genextract.o): Don't depend on insn-config.h.
14463 2006-01-22 Zack Weinberg <zackw@panix.com>
14465 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14466 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14467 practical. Eliminate per-generator-program link rules.
14469 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14471 PR middle-end/24437
14472 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14473 with a call expr to ...
14474 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14476 2006-01-23 Richard Guenther <rguenther@suse.de>
14478 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14479 before make_edge with conditional EDGE_TRUE_VALUE.
14481 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14482 Jan Hubicka <jh@suse.cz>
14483 Richard Guenther <rguenther@suse.de>
14485 PR rtl-optimization/25654
14486 * cfgexpand.c (aggregate_contains_union_type): New function.
14487 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14488 for structure variables that contain a union type.
14490 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14492 * gengtype.c (new_structure): Return the structure.
14493 (create_option): Add an extra "next" argument.
14494 (create_field): New function.
14495 (adjust_field_rtx_def): Use create_option and create_field.
14496 Remove a now-unnecessary call to find_structure.
14497 (adjust_field_tree_def): Likewise.
14498 (note_yacc_type): Remove an unnecessary call to find_structure.
14499 * gengtype.h (new_structure): Return the structure.
14500 (create_option): Add an extra argument.
14501 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14502 (option): Adjust calls to create_option.
14504 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14506 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14508 2006-01-22 Paul Brook <paul@codesourcery.com>
14509 Peter Barada <peter@the-baradas.com>
14511 * config/m68k/m68k.md: Add Coldfire FPU support.
14512 Define FP mode macro and associated attributes.
14513 Use it for float mode patterns.
14514 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14515 (LIBCALL_VALUE): Use m68k_libcall_value.
14516 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14517 (m68k_function_value): Ditto.
14518 (emit_move_sequence): Ditto.
14519 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14520 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14521 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14522 (MULTILIB_EXCEPTIONS): Ditto.
14523 * config/m68k/m68k.opt: Add mcfv4e.
14524 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14525 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14526 (m68k_output_function_prologue): Save ColdFire FPU registers.
14527 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14528 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14529 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14530 ColdFire FPU registers.
14531 (m68k_libcall_value, m68k_function_value): New functions.
14532 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14533 (LIBCALL_VALUE): Use m68k_libcall_value.
14534 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14535 (MASK_COLDFIRE): Add MASK_CFV4E.
14536 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14537 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14538 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14539 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14540 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14541 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14542 * doc/invoke.tex: Document -mcfv4e on m68k.
14544 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14546 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14549 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14552 * c-opts.c (c_common_handle_option): Don't include
14553 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14554 * doc/invoke.texi (C++ Dialect Options): Document that
14555 -Wnon-virtual-dtor is no longer included in -Wall.
14557 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14559 * gcov.c (print_version), gcov-dump.c (print_version),
14560 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14563 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14565 * df-scan.c (problem_SCAN): Added NULL reset function.
14566 (df_scan_reset_blocks): Added code to call reset block function
14567 (df_bb_refs_delete) Fixed comment.
14568 (df_insn_refs_delete): Made tolerant of deleting non existent info
14569 for dataflow problems that need to be reset.
14570 * df-core.c (df_set_blocks): Ditto.
14571 * df.h (struct df_problem): Added reset_fun.
14572 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14573 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14574 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14575 functions to clear out all references to def-use or use-def chains.
14577 2006-01-21 Ben Elliston <bje@au.ibm.com>
14579 * varasm.c (assemble_real): Initialise data array.
14581 2006-01-20 Paul Brook <paul@codesourcery.com>
14583 Merge from csl-arm-branch.
14584 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14585 * config/arm/arm.md (movdi): Force operands[1] to a register
14586 if we have a non-register source.
14587 (*arm_movdi, *movdf_soft_insn): Require that one of the
14588 operands be a register.
14589 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14590 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14592 2006-01-20 DJ Delorie <dj@redhat.com>
14594 * varasm.c (initializer_constant_valid_p): Allow pointers
14595 initialized from integer constants of lesser precision.
14596 (output_constant): Allow non-int-sized pointer modes to be
14597 initialized from integer constants.
14599 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14602 * cppdefault.h (struct default_include): Add multilib flag.
14603 * cppdefault.c (cpp_include_defaults): Set it.
14604 * c.opt (-imultilib): New option.
14605 * c-opts.c (imultilib): New.
14606 (c_common_handle_option): Handle -imultilib.
14607 (c_common_post_options): Likewise.
14608 * c-incpath.c (add_standard_paths, register_include_chains):
14610 * c-incpath.h (register_include_chains): Add extra parameter.
14611 * gcc.c (do_spec_1): Generate -imultilib option.
14612 (The Specs Language): Update %I description.
14613 (process_command): Update copyright notice.
14614 * doc/cppopts.texi (-imultilib): Document.
14615 * doc/invoke.texi (-imultilib): Include in option summary.
14616 (%I): Update specs documentation.
14618 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14620 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14622 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14624 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14627 2006-01-20 Richard Guenther <rguenther@suse.de>
14628 Steven Bosscher <stevenb.gcc@gmail.com>
14630 PR rtl-optimization/24626
14631 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14632 EDGE_TRUE_VALUE if in RTL mode.
14635 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14636 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14638 2006-01-20 Dirk Mueller <dmueller@suse.com>
14641 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14642 instead of a special NOP marker.
14643 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14644 NOP marker handling.
14645 * c-common.h (empty_body_warning): Add forward declaration.
14646 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14647 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14649 2006-01-20 Paul Brook <paul@codesourcery.com>
14651 * Makefile.in (lang_checks): Keep going if mkdir fails.
14653 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14655 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14656 be able to clean out basic block when not necessary.
14657 (df_scan_free): Fixed to properly delete information if df is
14658 unused before calling df_finish.
14659 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14660 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14662 (df_bb_refs_delete): New function.
14663 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14664 * df-core.c (df_set_blocks): Added code to properly clean out
14665 unused blocks if they are not part of the blocks to consider.
14666 Added additional null check.
14667 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14668 be able to clean out basic block when not necessary
14669 * df.h (df_free_bb_function): Ditto.
14670 (df_bb_refs_delete): New function.
14671 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14672 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14673 basic block parameter to be able to clean out basic block when not
14675 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14676 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14677 Fixed to properly delete information if df is unused before
14680 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14682 PR rtl-optimization/25799
14683 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14684 Corrected confluence operator to remove bits from op2 before oring
14685 with op1 rather than removing bits from op1.
14686 (df_ru_transfer_function): Corrected test on wrong bitmap which
14687 caused infinite loop. Both of these problems were introduced in
14688 the dataflow rewrite.
14690 2006-01-19 DJ Delorie <dj@redhat.com>
14692 * reload1.c (find_reload_regs): Note the details of reload
14693 failures in the dump file.
14694 (spill_failure): Likewise.
14696 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14698 * loop-iv.c: Include df.h and hashtab.h.
14699 (enum iv_grd_result): New enum.
14700 (DF_REF_IV, DF_REF_IV_SET): New macros.
14701 (struct biv_entry): New.
14702 (df, bivs): New global variables.
14703 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14704 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14706 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14707 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14708 analyzed_for_bivness_p, record_biv): New functions.
14709 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14710 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14711 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14713 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14715 (iv_number_of_iterations): Use new interface to iv analysis.
14716 * loop-unroll.c: Do not include varray.h.
14717 (analyze_iv_to_split_insn): Use new interface to iv
14719 * loop-unswitch.c (may_unswitch_on): Ditto.
14720 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14722 (df_bb_modify): Realloc tables to the new index.
14723 (df_find_use): New function.
14724 * df.h (df_find_use): Declare.
14725 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14727 * cfgloop.h (struct rtx_iv): Remove analysed field.
14728 (iv_get_reaching_def): Removed.
14729 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14730 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14731 (loop-iv.o): Add df.h and hashtab.h dependency.
14732 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14734 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14737 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14739 (__floatundisf, __floatundidf): Likewise.
14740 * libgcc2.h (IS_IBM_EXTENDED): Define.
14742 2006-01-19 DJ Delorie <dj@redhat.com>
14744 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14746 2006-01-19 Paul Brook <paul@codesourcery.com>
14748 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14749 as nothrow when unwinding tables are disabled.
14751 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14754 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14755 of bit-field" when in system header.
14757 2006-01-19 DJ Delorie <dj@redhat.com>
14759 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14760 the 16 bit shift limit of the m16c.
14762 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14765 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14766 * config/i386/i386.c (output_set_got): Output the label if we have one
14767 for the TARGET_DEEP_BRANCH_PREDICTION case.
14769 2006-01-19 Jan Hubicka <jh@suse.cz>
14770 H.J. Lu <hongjiu.lu@intel.com>
14771 Evandro Menezes <evandro.menezes@amd.com>
14773 * invoke.texi (generic): Document
14775 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14776 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14777 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14778 (x86_use_incdec, x86_pad_returns): New variables
14779 (TARGET_CPU_DEFAULT_generic): New constant
14780 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14781 (enum processor_type): Add generic32 and generic64.
14782 * i386.md (cpu attribute): Add generic32/generic64
14783 (movhi splitter): Behave sanely when both partial_reg_dependency and
14784 partial_reg_stall are set.
14785 (K8 splitters): Enable for generic as well.
14786 * predicates.md (incdec_operand): Use TARGET_INCDEC
14787 (aligned_operand): Avoid memory mismatch stalls.
14788 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14789 * ppro.md: Enable for generic32
14790 * i386.c (generic64_cost, generic32_cost): New.
14791 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14792 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14793 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14794 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14795 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14796 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14797 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14798 x86_accumulate_outgoing_args, x86_prologue_using_move,
14799 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14800 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14801 Enable for generic.
14802 (x86_use_incdec, x86_pad_returns): New.
14803 (override_options): Add generic32 and generic64, translate "generic"
14804 to generic32/generic64 and "i686" to "generic32", refuse
14805 "generic32"/"generic64" as arch target.
14806 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14807 (ix86_reorg): Honor PAD_RETURNS.
14809 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14811 * tree-pretty-print.c (dump_generic_node): Handle
14812 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14813 * cgraph.c (cgraph_expand_queue): Rename from
14814 cgraph_analyze_queue. Update all users.
14815 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14816 cgraph_expand_queue.
14817 (cgraph_expand_all_functions): Likewise.
14818 (cgraph_finalize_pending_functions): Remove. Update callers.
14820 * tree.h (OMP_DIRECTIVE_P): Define.
14821 (OMP_PARALLEL_FN): Define.
14822 (OMP_PARALLEL_DATA_ARG): Define.
14823 (OMP_SECTIONS_SECTIONS): Define.
14824 * tree-pass.h (pass_expand_omp): Declare.
14825 * omp-low.c (struct omp_region): Declare.
14826 (struct omp_context): Remove fields 'parallel_type',
14827 'parallel_start_ix' and 'parallel_start_additional_args'.
14829 (struct omp_for_data): Rename from struct expand_omp_for_data.
14830 (omp_regions): New static variable.
14831 (root_omp_region): New static variable.
14832 (find_omp_clause): Make static.
14833 (is_in_combined_parallel_ctx): Remove.
14834 (is_combined_parallel): New.
14835 (extract_omp_for_data): Move earlier in the file.
14836 (workshare_safe_to_combine_p): New.
14837 (get_ws_args_for): New.
14838 (determine_parallel_type): Move earlier in the file.
14839 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14841 (omp_copy_decl): Likewise.
14842 (create_omp_child_function): Likewise.
14843 (lookup_omp_region): New.
14844 (dump_omp_region): New.
14845 (debug_omp_region): New.
14846 (debug_all_omp_regions): New.
14847 (new_omp_region): New.
14848 (scan_omp_parallel): If parallel_nesting_level > 1, the
14849 directive is nested within another parallel directive.
14850 Set OMP_PARALLEL_FN.
14851 (scan_omp_for): Do not try to handle combined parallel+for
14853 Remove FIXME comment.
14854 (scan_omp_nested): Remove.
14855 (scan_omp_1): Do not call scan_omp_nested when
14856 parallel_nesting_level is > 1.
14857 Do not change the DECL_CONTEXT of local variables found.
14858 (lookup_decl_in_outer_ctx): New.
14859 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14860 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14861 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14862 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14863 If CTX is nested, lookup VAR in the outer context when
14864 building copy assignment.
14865 (lower_send_clauses): Rename from expand_send_clauses.
14866 If CTX is nested, lookup VAR in the outer context when
14867 building copy assignments.
14868 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14869 If CTX is nested, lookup VAR in the outer context when
14870 building copy assignments.
14871 (expand_parallel_call): Rename from build_parallel_call.
14872 Handle combined parallel+workshare cases.
14873 Re-implement to emit code into the CFG.
14875 (expand_omp_parallel): Re-implement to emit code into the CFG.
14876 Call move_sese_region_to_fn to outline the sub-graph
14877 containing the parallel region.
14878 (expand_omp_for_1): Remove.
14879 (expand_omp_for_generic): Re-implement to emit code into the
14881 (expand_omp_for_static_nochunk): Likewise.
14882 (expand_omp_for_static_chunk): Likewise.
14883 (expand_omp_for): Likewise.
14884 (expand_omp_sections): Likewise.
14885 (remove_exit_barriers): New.
14886 (expand_omp_synch): New.
14888 (build_omp_regions_1): New.
14889 (build_omp_regions): New.
14890 (execute_expand_omp): New.
14891 (gate_expand_omp): New.
14892 (pass_expand_omp): Define.
14893 (lower_omp_sections): Rename from expand_omp_sections.
14894 Set OMP_SECTIONS_SECTIONS.
14895 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14896 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14897 (lower_omp_single): Rename from expand_omp_simple.
14898 (lower_omp_master): Rename from expand_omp_master.
14899 (lower_omp_ordered): Rename from expand_omp_ordered.
14900 (lower_omp_critical): Rename from expand_omp_critical.
14901 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14902 (lower_omp_for): Re-implement.
14903 (lower_omp_parallel): Re-implement.
14904 (lower_regimplify): Rename from expand_regimplify.
14905 (lower_omp_1): Rename from expand_omp_1.
14906 If there are syntax errors in the program, replace every
14907 OpenMP directive with NOP.
14908 Call lower_omp_* instead of expand_omp_*.
14909 (lower_omp): Rename from expand_omp.
14911 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14912 * tree-gimple.h (enum omp_parallel_type): Remove.
14913 (gimple_boolify): Declare extern.
14914 (find_omp_clause, determine_parallel_type): Remove.
14916 * gimple-low.c (lower_omp_directive): New.
14917 (lower_stmt): Call it.
14918 (record_vars_into): Move from ...
14919 (record_vars): ... here.
14920 Call record_vars_into with current_function_decl.
14922 * gimplify.c (struct gimplify_ctx): Remove fields
14923 combined_pre_p and combined_ctxp. Update users.
14924 (get_formal_tmp_var): Add documentation.
14925 (gimple_boolify): Make extern.
14926 (gimplify_expr_in_ctx): Remove. Update callers.
14927 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14928 will always be a BIND_EXPR.
14929 (gimplify_expr): Handle OMP_RETURN_EXPR.
14930 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14931 (OMP_PARALLEL): Add 3 operands.
14932 (OMP_SECTIONS): Add 1 operand.
14933 (OMP_RETURN_EXPR): Define.
14935 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14936 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14937 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14938 creating a circular free list.
14939 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14941 * tree-flow.h (move_sese_region_to_fn): Declare.
14942 (record_vars_into): Declare.
14943 * tree-cfg.c (make_omp_sections_edges): New.
14944 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14945 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14946 OMP_SECTIONS and OMP_SECTION.
14947 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14948 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14949 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14950 (gather_blocks_in_sese_region): New.
14951 (struct move_stmt_d): Declare.
14952 (move_stmt_r): New.
14953 (move_block_to_fn): New.
14954 (move_sese_region_to_fn): New.
14956 * passes.c (init_optimization_passes): Schedule
14957 pass_expand_omp after pass_init_datastructures.
14959 * tree-ssa-operands.c (get_expr_operands): Handle
14960 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14961 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14963 2006-01-19 Jeff Law <law@redhat.com>
14965 * tree-vrp.c (extract_range_from_assert): Refine the result range
14966 if the variable referenced by the ASSERT_EXPR has a range and
14967 either the tentative result range or the previous range is a
14970 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14972 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14974 2006-01-19 Jan Hubicka <jh@suse.cz>
14976 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14978 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14980 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14981 (expand_compound_operation, expand_field_assignment): Fail if the
14982 bit lengths of an extract operation are out of range.
14983 (make_extraction): Compute wanted_inner_mode based on the position
14984 and length of the extraction. Make it extraction_mode for non-constant
14985 positions, and do not modify offset in that case. When generating a
14986 new MEM, use a mode that can hold the extraction while keeping correct
14987 alignment. Remove code that supported MEMs wrapped by USEs.
14988 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14990 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14992 * config/s390/s390.md ("Y", "y"): New mode attribute.
14993 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14994 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14995 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14996 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14997 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14998 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14999 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15000 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15001 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15002 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15003 "addsi3", "subsi3"): Insn patterns removed.
15004 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15005 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15006 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15007 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15008 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15009 "*sub<mode>3_cconly2"): New insn patterns.
15010 ("addsi3", "subsi3"): New expanders.
15012 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15014 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15015 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15016 existing STMT_VINFO_VECTYPE if available.
15017 (vect_mark_relevant): Add special handling for stmts that are
15018 marked as STMT_VINFO_IN_PATTERN_P.
15019 (vect_analyze_loop): Call vect_pattern_recog.
15020 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15021 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15023 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15024 (vect_recog_func_ptr): New function-pointer type.
15025 * tree-vect-patterns.c: New file.
15026 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15027 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15028 (vect_pattern_recog_1): New functions.
15029 (vect_pattern_recog_funcs): New array of function pointers.
15031 * tree-vectorizer.h (ternary_op): New enum value.
15032 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15033 declaration. Revised documentation. Removed redundant dump prints.
15034 Removed redundant argument. Added support for reduction patterns.
15035 (vectorizable_reduction): Added support for reduction patterns.
15036 (vect_transform_stmt): Added support for patterns.
15038 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15039 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15040 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15041 (expand_widen_pattern_expr): New function.
15042 (init_optabs): Initialize new optabs udot_prod_optab,
15044 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15045 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15046 (expand_widen_pattern_expr): New function declaration.
15047 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15049 * tree-inline.c (estimate_num_insns_1): Added cases for new
15050 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15051 * tree-pretty-print.c (dump_generic_node): Likewise.
15052 (op_prio): Likewise.
15053 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15054 * tree-ssa-operands.c (get_expr_operands): Added case for
15056 * tree-vect-patterns.c (widened_name_p): New function.
15057 (vect_recog_dot_prod_pattern): Added function implementation.
15058 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15059 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15060 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15061 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15063 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15064 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15065 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15066 (init_optabs): Initialize new optabs widen_ssum_optab,
15068 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15069 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15070 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15071 use instead of type of def.
15072 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15073 function implementation.
15074 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15075 widen_ssumv8hi): New.
15077 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15080 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15083 * c-decl.c (add_flexible_array_elts_to_size): New function.
15084 (finish_decl): Use it.
15086 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15088 * diagnostic.h: Include options.h.
15089 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15090 dependancies for diagnostic.h.
15091 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15093 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15095 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15096 (ssa_ro_call_cache_valid): Ditto.
15097 * tree-ssa-alias.c (sort_tags_by_id): New function.
15098 (init_transitive_clobber_worklist): Ditto.
15099 (add_to_worklist): Ditto.
15100 (mark_aliases_call_clobbered): Ditto.
15101 (compute_tag_properties): Ditto.
15102 (set_initial_properties): Ditto.
15103 (compute_call_clobbered): Ditto.
15104 (compute_may_aliases): Call compute_call_clobbered and grouping.
15105 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15106 (compute_flow_insensitive_aliasing): Grouping now happens in our
15108 (setup_pointers_and_addressables): Remove clobbering related code.
15109 (add_may_alias): Ditto.
15110 (replace_may_alias): Ditto.
15111 (get_nmt_for): Ditto.
15112 (create_global_var):
15113 (is_escape_site): Return an escape_type enumeration.
15114 * tree-flow-inline.h (is_call_clobbered): Global var does not
15115 imply call clobbered.
15116 (mark_call_clobbered): Take a reason for marking this. Remove
15117 marking of globalness, and cache invalidation.
15118 (clear_call_clobbered): Remove cache invalidation code.
15119 * tree-dfa.c (dump_variable): If details is on, dump the reason
15121 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15123 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15124 (struct var_ann_d): Ditto.
15125 (enum escape_type): New.
15126 (mark_call_clobbered): Adjust prototype.
15127 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15128 are never call clobbered.
15129 Record reasons for escaping.
15130 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15131 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15132 (ssa_ro_call_cache_valid): Ditto.
15133 (clobbered_v_may_defs): Ditto.
15134 (clobbered_vuses): Ditto.
15135 (ro_call_vuses): Ditto.
15136 (clobber_stats): New.
15137 (init_ssa_operands): Zero out clobber stats.
15138 (fini_ssa_operands): Print out clobber stats.
15139 (get_call_expr_operands): Pass callee fndecl to
15140 add_call_read_ops).
15141 (add_call_clobber_ops): Remove use of cache.
15142 Add use of PURE_CONST information.
15143 (add_call_read_ops): Remove use of cache.
15144 Add use of static not_read information.
15146 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15148 Introduce TLS descriptors for i386 and x86_64.
15149 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15150 (TARGET_ANY_GNU_TLS): New macro.
15151 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15152 (struct machine_function): Add tls_descriptor_call_expanded_p.
15153 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15154 (ix86_current_function_calls_tls_descriptor): Likewise.
15155 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15156 (override_options): Introduce gnu2 tls dialect.
15157 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15159 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15161 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15162 (ix86_init_machine_status): Initialize new field.
15163 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15164 (ix86_tls_module_base): New.
15165 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15166 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15167 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15168 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15169 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15170 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15171 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15172 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15173 * config/i386/predicates.md (tls_modbase_operand): New.
15174 (tp_or_register_operand): New.
15176 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15178 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15179 (look_for_address_of): Ditto.
15180 (ipa_init): Walk the function decls.
15181 (static_execute): Don't set readonly on FUNCTION_DECL's.
15183 2006-01-18 Roger Sayle <roger@eyesopen.com>
15185 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15186 for shifts where the source and destination registers are different.
15188 2006-01-18 Paul Brook <paul@codesourcery.com>
15190 Merge from csl-arm-branch.
15191 2005-03-14 Julian Brown <julian@codesourcery.com>
15192 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15193 (aeabi_llsl): Likewise.
15194 (ashrdi3): Likewise.
15195 (aeabi_lasr): Likewise.
15196 (lshrdi3): Likewise.
15197 (aeabi_llsr): Likewise.
15198 2005-03-10 Julian Brown <julian@codesourcery.com>
15199 * config.gcc: Disable shared libgcc for SymbianOS.
15200 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15202 2006-01-18 DJ Delorie <dj@redhat.com>
15204 * c-pragma.c (handle_pragma_diagnostic): New.
15205 (init_pragma): Register it.
15206 * doc/extend.texi: Document it.
15208 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15209 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15210 (diagnostic_context): Add classify_diagnostic[].
15211 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15212 as errors if they're overridden to DK_WARNING.
15213 (diagnostic_initialize): Initialize classify_diagnostic[].
15214 (diagnostic_set_kind_override): New.
15215 (diagnostic_report_diagnostic): Check for kind changes.
15216 * opts.c (common_handle_option): Take lang_mask. Update callers.
15217 Handle OPT_Werror_.
15218 * common.opt (Werror=): New.
15219 * doc/invoke.texi: Document -Werror=*
15221 2006-01-18 Jeff Law <law@redhat.com>
15223 * tree-vrp.c (test_for_singularity): Correct test for new
15224 min limit. Use operand_equal_p rather than pointer equality
15225 for testing if new min/max values are equal.
15227 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15228 using range information until after propagation and folding.
15230 2006-01-18 Richard Henderson <rth@redhat.com>
15231 Aldy Hernandez <aldyh@redhat.com>
15232 Jakub Jelinek <jakub@redhat.com>
15233 Diego Novillo <dnovillo@redhat.com>
15235 * omp-low.c: New file.
15236 * c-omp.c: New file.
15238 2006-01-18 Richard Henderson <rth@redhat.com>
15239 Jakub Jelinek <jakub@redhat.com>
15240 Diego Novillo <dnovillo@redhat.com>
15242 * doc/invoke.texi: Document -fopenmp.
15243 * tree-dump.h (debug_function): Declare.
15244 * hooks.c (hook_bool_tree_bool_false): New function.
15245 (hook_tree_tree_null): Remove.
15246 (hook_tree_tree_tree_null): New.
15247 * hooks.h: Update to match.
15248 * tree-pretty-print.c (debug_tree_chain): New.
15249 (print_generic_expr): Handle TDF_CHAIN.
15250 (dump_generic_node): Handle BLOCK.
15251 Do not abort with incomplete SWITCH_EXPRs.
15252 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15253 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15254 print space after directive name.
15255 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15256 Handle OMP_MASTER and OMP_ORDERED.
15257 Handle printing of OMP_BODY just in one place, goto
15258 dump_omp_body in the rest of OMP_* nodes that have
15260 Don't handle clause nodes here. Update omp statements to
15261 use dump_omp_clauses.
15262 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15263 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15264 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15265 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15266 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15267 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15268 Adjust output for GOMP_PARALLEL.
15269 (dump_omp_clauses): New.
15270 (print_declaration): Dump DECL_VALUE_EXPR.
15271 (op_symbol_1): Split out of op_symbol.
15272 (dumping_stmts): Remove. Update all users.
15273 * cgraph.c (cgraph_analyze_queue): New.
15274 (cgraph_add_new_function): New.
15275 * cgraph.h (cgraph_analyze_queue): Declare.
15276 (cgraph_add_new_function): Declare.
15277 (cgraph_lower_function): Remove.
15278 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15279 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15280 and TYPE_P nodes in its default clause.
15281 (empty_body_p): New.
15282 (tree_range_check_failed): New.
15283 (build5_stat): New.
15284 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15285 OMP_CLAUSE_REDUCTION_MERGE,
15286 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15287 OMP_CLAUSE_PRIVATE_DEBUG,
15288 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15289 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15290 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15291 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15292 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15293 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15294 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15295 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15296 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15297 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15298 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15299 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15300 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15301 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15302 (TREE_RANGE_CHECK): New.
15303 (empty_body_p): Declare.
15304 (enum omp_clause_default_kind): New.
15305 (build_string_literal): Declare.
15306 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15307 (build5_stat, build5): Declare.
15308 * tree-pass.h (TDF_CHAIN): Define.
15309 * tree-pass.h (PROP_gimple_lomp): Define.
15310 (pass_lower_omp): Declare.
15311 * diagnostic.h (debug_tree_chain): Declare.
15312 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15314 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15315 * builtins.c (build_string_literal): Make extern.
15316 * gcc.c (include_spec_function): New.
15317 (static_spec_functions): Add it.
15318 (main): Move load of libgomp.spec ...
15319 (LINK_COMMAND_SPEC): ... here.
15320 (link_gomp_spec): New.
15321 (static_specs): Include it.
15322 (LINK_COMMAND_SPEC): Add link_gomp.
15323 (GOMP_SELF_SPECS): New.
15324 (driver_self_specs): Include it.
15325 (switch_matches): Don't mark inline.
15326 (main): Load libgomp.spec.
15327 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15328 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15329 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15330 * tree-gimple.h (enum omp_parallel): Declare.
15331 (determine_parallel_type): Declare.
15332 (omp_firstprivatize_variable): Declare.
15333 (omp_reduction_init): Declare.
15334 (diagnose_omp_structured_block_errors): Declare.
15335 (struct walk_stmt_info): Add want_return_expr.
15336 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15337 (find_omp_clause): Declare.
15338 (insert_field_into_struct): Declare.
15339 (struct walk_stmt_info): Move from tree-nested.c
15340 (walk_stmts): Declare.
15341 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15343 * cgraphunit.c (cgraph_lower_function): Make static.
15344 (cgraph_finalize_pending_functions): New.
15345 (cgraph_finalize_function): Call it.
15346 (cgraph_finalize_compilation_unit): Likewise.
15347 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15348 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15349 (BT_FN_UINT_UINT): New.
15350 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15351 DEF_FUNCTION_TYPE_VAR_4): Document.
15352 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15353 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15354 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15355 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15356 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15357 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15358 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15359 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15360 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15361 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15362 into separate files.
15363 (DEF_GOMP_BUILTIN): New.
15364 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15365 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15366 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15367 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15368 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15369 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15370 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15371 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15372 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15373 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15374 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15375 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15376 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15377 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15378 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15379 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15380 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15381 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15382 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15383 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15384 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15385 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15386 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15387 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15388 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15389 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15390 * sync-builtins.def: New file, moved from builtins.def.
15391 * omp-builtins.def: New file, moved from builtins.def.
15392 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15393 * gimple-low.c (lower_function_body): Clear data.
15394 (lower_stmt): Do not handle COMPOUND_EXPR.
15395 Remove call to print_node_brief.
15396 * c-tree.h (c_finish_omp_clauses): New prototype.
15397 (C_DECL_THREADPRIVATE_P): Define.
15398 (lookup_name_no_remap, c_omp_remap_private): Remove
15399 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15400 (check_for_loop_decls): Update decl.
15401 (lookup_name_no_remap, c_omp_remap_private): Declare.
15402 (build_indirect_ref, build_modify_expr, pushdecl,
15403 pushdecl_top_level): Move to c-common.h.
15404 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15405 before the switch, but just in the 2 places that need it.
15406 * c-decl.c (diagnose_mismatched_decls): Do not check for
15407 mismatched thread-local attributes when OLDDECL is marked
15408 threadprivate and NEWDECL has no thread-local attributes.
15409 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15410 (c_gimple_diagnostics_recursively): Rename from
15411 c_warn_unused_result_recursively. Invoke
15412 diagnose_omp_structured_block_errors.
15413 (check_for_loop_decls): Return a singular decl found.
15414 * langhooks.c (lhd_omp_predetermined_sharing): Return
15415 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15416 (lhd_omp_firstprivatize_type_sizes): New.
15417 (lhd_omp_assignment): New.
15418 (lhd_omp_predetermined_sharing): New.
15419 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15420 (struct lang_hooks_for_types): Add
15421 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15422 omp_predetermined_sharing, omp_disregard_value_expr,
15423 omp_private_debug_clause, omp_clause_default_ctor,
15424 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15425 (c_finish_omp_clauses): New.
15426 (c_finish_bc_stmt): Diagnose break within omp for.
15427 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15428 (build_unary_op): Return error_mark after reporting
15430 (build_modify_expr): Likewise.
15431 * gimplify.c: Include optabs.h and pointer-set.h.
15432 (enum gimplify_omp_var_data): Declare.
15433 (struct gimplify_omp_ctx): Declare.
15434 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15436 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15437 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15438 (splay_tree_compare_decl_uid): New.
15439 (new_omp_context): New.
15440 (delete_omp_context): New.
15441 (gimple_add_tmp_var): Call omp_add_variable.
15442 (gimplify_bind_expr): Likewise.
15443 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15444 true, disregard DECL_VALUE_EXPR on the decl if any.
15445 (gimplify_expr_in_ctx): New.
15446 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15447 omp_add_variable, omp_notice_variable, omp_is_private
15448 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15449 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15450 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15451 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15452 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15453 gimplify_omp_atomic): New.
15454 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15455 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15456 OMP_CRITICAL and OMP_ATOMIC.
15457 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15458 * c-pragma.h (enum pragma_kind): Add
15459 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15460 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15461 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15462 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15463 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15464 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15465 PRAGMA_OMP_THREADPRIVATE.
15466 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15467 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15468 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15469 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15470 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15471 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15472 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15473 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15474 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15475 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15476 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15477 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15478 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15480 (struct nesting_info): Add field_map,
15481 suppress_expansion, debug_var_chain.
15482 (create_nesting_tree): Initialize them.
15483 (lookup_field_for_decl): Use field_map.
15484 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15485 (convert_local_omp_clauses): New.
15486 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15487 (walk_body): Split out of walk_function.
15488 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15489 (convert_nonlocal_reference): Handle omp statements.
15490 (convert_local_reference): Likewise.
15491 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15492 (unnest_nesting_tree): New.
15493 (lower_nested_functions): Call it.
15494 (insert_field_into_struct): Make extern.
15495 (struct walk_stmt_info): Move to tree-gimple.h.
15496 (walk_stmts): Make extern.
15497 * omp-builtins.def: New file.
15498 * tree-iterator.c (expr_only): Clarify comment.
15499 * c-common.h (pushdecl_top_level, pushdecl,
15500 build_modify_expr, build_indirect_ref,
15501 c_finish_omp_master, c_finish_omp_critical,
15502 c_finish_omp_ordered, c_finish_omp_barrier,
15503 c_finish_omp_atomic, c_finish_omp_flush,
15504 c_finish_omp_for, c_split_parallel_clauses,
15505 omp_clause_default_kind, c_omp_sharing_predetermined,
15506 c_omp_remap_decl): Declare.
15507 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15508 (OBJS-common): Add omp-low.o.
15509 (c-omp.o, omp-low.o): Add.
15510 (gimplify.o): Add dependency on $(OPTABS_H).
15511 (GTFILES): Add omp-low.c.
15512 (gt-stringpool.h): Add.
15513 * tree-cfg.c (set_bb_for_stmt): Do not update the
15514 block-to-labels map if we are currently expanding to RTL.
15515 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15517 Handle IDENTIFIER_NODE.
15518 (tree_verify_flow_info): Do not ICE when emitting error
15519 messages about invalid labels.
15520 (dump_function_to_file): Reset CFUN before emitting the body
15522 (debug_function): New.
15523 * passes.c (init_optimization_passes): Schedule
15525 * langhooks-def.h (lhd_omp_predetermined_sharing,
15526 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15528 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15529 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15530 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15531 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15532 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15533 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15534 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15535 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15536 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15537 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15538 (LANG_HOOK_DECLS): Use them.
15540 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15541 Richard Henderson <rth@redhat.com>
15542 Jakub Jelinek <jakub@redhat.com>
15543 Diego Novillo <dnovillo@redhat.com>
15545 * c-parser.c (pragma_omp_clause): Define.
15546 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15547 (c_parser_compound_statement): Likewise.
15548 (c_parser_statement): Likewise.
15549 (c_parser_pragma): Handle omp pragmas.
15550 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15551 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15552 (c_parser_omp_clause_name, check_no_duplicate_clause,
15553 c_parser_omp_variable_list,
15554 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15555 c_parser_omp_clause_copyprivate,
15556 c_parser_omp_clause_default,
15557 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15558 c_parser_omp_clause_lastprivate,
15559 c_parser_omp_clause_nowait,
15560 c_parser_omp_clause_num_threads,
15561 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15562 c_parser_omp_clause_reduction,
15563 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15564 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15565 c_parser_omp_atomic, c_parser_omp_barrier,
15566 c_parser_omp_critical, c_parser_omp_flush,
15567 c_parser_omp_for_loop, c_parser_omp_for,
15568 c_parser_omp_master, c_parser_omp_ordered,
15569 c_parser_omp_sections_scope, c_parser_omp_sections,
15570 c_parser_omp_parallel, c_parser_omp_single,
15571 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15572 * c-pragma.c (init_pragma): Do omp pragma registration here.
15573 * c.opt (fopenmp): New flag.
15575 2006-01-18 Eric Christopher <echristo@apple.com>
15577 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15578 * config/darwin.h (GOMP_SELF_SPECS): Define.
15580 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15582 * rtl.h: Remove the prototype for reg_alloc.
15584 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15587 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15588 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15589 sjlj and dwarf2 exception handling.
15590 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15591 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15592 * pa/pa.c (function_value): Treat complex and vector types as
15594 (function_arg): Likewise. Only pass scalar floats in the floating
15595 point argument registers.
15596 * pa/t-slibgcc-dwarf-ver: New file.
15597 * pa/t-slibgcc-sjlj-ver: New file.
15598 * pa/t-slibgcc-elf-ver: Delete file.
15600 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15602 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15603 unlikely_test_section_p test.
15605 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15607 * mode-switching.c (optimize_mode_switching): Make it static.
15608 * basic-block.h: Remove the prototype for
15609 optimize_mode_switching.
15611 * modulo-sched.c (sms_schedule): Make it static.
15612 * rtl.h: Remove the prototype for sms_schedule.
15614 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15615 * rtl.h: Remove the prototype for gcse_after_reload_main.
15617 * reg-stack.c (reg_to_stack): Make it static.
15618 * rtl.h: Remove the prototype for reg_to_stack.
15620 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15622 * rtl.h: Remove the prototypes for regrename_optimize and
15623 copyprop_hardreg_forward.
15625 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15627 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15628 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15629 Test against the appropriate null constant for the mode.
15630 If 'fixup_overlap' is true, swap the operands if they overlap.
15631 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15632 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15633 alpha_split_tmode_pair and adjust for above change.
15634 * config/alpha/alpha.md (movtf_internal): Adjust call to
15635 alpha_split_tfmode_pair and rely on it to swap the operands.
15636 (movti_internal): New insn and post-reload splitter.
15637 (movti): New expander.
15639 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15641 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15644 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15646 * rtlanal.c (global_reg_mentioned_p_1,
15647 global_reg_mentioned_p): Remove.
15648 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15650 * flow.c (initialize_uninitialized_subregs): Make it static.
15651 * rtl.h: Remove the prototype for
15652 initialize_uninitialized_subregs.
15654 * function.c (instantiate_virtual_regs): Make it static.
15655 * function.h: Remove the prototype for
15656 instantiate_virtual_regs.
15658 * regmove.c (regmove_optimize, combine_stack_adjustments):
15660 * rtl.h: Remove the prototypes for regmove_optimize and
15661 combine_stack_adjustments.
15663 2006-01-17 Roger Sayle <roger@eyesopen.com>
15665 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15666 (size_cost): Encode costs in bytes so that a reg-reg addition is
15667 equivalent to COSTS_N_INSNS(1).
15668 (override_options): Use the size_cost.branch_cost as the default
15669 ix86_branch_cost when optimizing for size.
15671 2006-01-18 Ben Elliston <bje@au.ibm.com>
15673 * Makefile.in (D32PBIT_FUNCS): New.
15674 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15675 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15676 D64PBIT_FUNCS and D128PBIT_FUNCS.
15677 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15678 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15680 (decnumber_dep): Define.
15681 * doc/libgcc.texi (Decimal float library routines): New node.
15682 * config/dfp-bit.h, config/dfp-bit.c: New files.
15684 2006-01-18 Ben Elliston <bje@au.ibm.com>
15686 * expr.c (emit_move_change_mode): Always adjust addresses, not
15687 just during reload. Copy replacements only during reload.
15688 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15689 emit_move_via_integer.
15691 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15693 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15694 instead of $(srcdir) and ${srcdir}.
15696 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15699 PR middle-end/11135
15700 * arm.h (struct machine_function): Add pic_reg.
15701 * arm.c (arm_pic_register): Make unsigned.
15702 (arm_override_options): Only set arm_pic_register if
15703 TARGET_SINGLE_PIC_BASE.
15704 (use_return_insn): Only test for a pic register if it is fixed.
15705 (arm_compute_save_reg0_reg12_mask): Likewise.
15706 (thumb_compute_save_reg_mask): Likewise.
15707 (legitimate_pic_operand): Factor out some known invariants.
15708 (legitimize_pic_address): If we don't have a fixed pic register,
15709 then set up a pseudo in the function entry sequence. Handle the
15710 pic base being in a pseudo.
15711 (arm_load_pic_register): Handle the pic register being in a pseudo.
15712 (arm_expand_prologue): Only set up the pic register if it is fixed.
15713 (thumb_expand_prologue): Likewise.
15714 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15715 (pic_load_addr_based_insn): Likewise.
15716 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15719 2006-01-18 Ben Elliston <bje@au.ibm.com>
15721 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15722 decimal float modes for all floating point registers.
15724 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15725 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15727 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15730 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15731 even when the pointer is not NULL.
15733 2006-01-16 Ian Lance Taylor <ian@airs.com>
15735 * common.opt (ftoplevel-reorder): New option.
15736 * cgraph.c (cgraph_asm_nodes): New global variable.
15737 (cgraph_asm_last_node): New static variable.
15738 (cgraph_order): New global variable.
15739 (cgraph_create_node): Set new order field.
15740 (cgraph_varpool_node): Likewise.
15741 (decide_is_variable_needed): Return true if not
15742 flag_toplevel_reorder.
15743 (cgraph_add_asm_node): New function.
15744 * cgraph.h (struct cgraph_node): Add order field.
15745 (struct cgraph_varpool_node): Add order field.
15746 (struct cgraph_asm_node): Define.
15747 (cgraph_asm_nodes, cgraph_order): Declare.
15748 (cgraph_add_asm_node): Declare.
15749 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15751 (cgraph_varpool_assemble_pending_decls): Call it.
15752 (cgraph_output_pending_asms): New static function.
15753 (cgraph_finalize_compilation_unit): Call it.
15754 (struct cgraph_order_sort): Define.
15755 (cgraph_output_in_order): New static function.
15756 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15757 !flag_toplevel_reorder case.
15758 * c-parser.c: Include "cgraph.h".
15759 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15761 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15762 than -fno-unit-at-a-time.
15763 * doc/invoke.texi (Option Summary): Mention
15764 -fno-toplevel-reorder.
15765 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15766 -funit-at-a-time documentation.
15768 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15769 Kazu Hirata <kazu@codesourcery.com>
15771 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15773 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15775 * Makefile.in (FUNCTION_H): New. Use it instead of
15776 function.h throughout the file.
15777 * function.h: Include tree.h.
15779 2006-01-17 Ben Elliston <bje@au.ibm.com>
15781 * recog.c: Separate some functions with whitespace.
15783 2006-01-16 Richard Henderson <rth@redhat.com>
15785 Merge from gomp branch:
15786 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15787 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15788 and rename from struct inline_data. Rename callee* to dst*;
15789 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15790 transform_new_cfg, transform_return_to_modify, and
15791 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15793 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15794 (copy_decl_for_dup): Remove.
15795 * tree-inline.c (struct inline_data): Move to header.
15796 (insert_decl_map): Export.
15797 (remap_decl): Update for member name changes. Use copy_decl hook.
15798 Allow for replacement to be a non-decl. Remove dead code.
15799 (remap_type_1): Check for existing mapping.
15800 (remap_type): Export.
15801 (remap_decls): Update for member name changes.
15802 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15803 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15804 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15805 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15806 (tree_function_versioning, build_duplicate_type): Likewise.
15807 (copy_body_r): Likewise. Export.
15808 (copy_decl_for_dup): Split into ...
15809 (copy_decl_for_dup_finish, copy_decl_to_var,
15810 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15811 (replace_ref_tree, inlining_p): Remove.
15813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15815 * ifcvt.c (if_convert): Make it static.
15816 * rtl.h: Remove the prototype for if_convert.
15818 * local-alloc.c (local_alloc): Make it static.
15819 * rtl.h: Remove the prototype for local_alloc.
15821 * loop.c (loop_optimize): Make it static.
15822 * cfgloop.h: Remove the prototype for loop_optimize.
15825 2006-01-16 DJ Delorie <dj@redhat.com>
15827 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15830 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15832 * pa.md: Disparage copies between general and floating-point registers
15833 in 32-bit move patterns.
15835 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15838 * Makefile.in (check-%): Depend on site.exp instead of
15839 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15842 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15844 * global.c (global_alloc): Make it static.
15845 * rtl.h: Remove the prototype for global_alloc.
15847 2006-01-16 Richard Guenther <rguenther@suse.de>
15849 * tree-ssa-alias.c (struct used_part): Add write_only field.
15850 (get_or_create_used_part_for): Initialize it to true.
15851 (create_overlap_variables_for): Don't create structure variables
15852 for structures that only are written to.
15853 (find_used_portions): Handle MODIFY_EXPR to track whether a
15854 structure is only written to.
15856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15858 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15860 * basic-block.h: Remove the prototype for
15861 partition_hot_cold_basic_blocks.
15863 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15865 * cppspec.c (lang_specific_spec_functions): Remove.
15866 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15867 * gcc.h (lang_specific_spec_functions): Remove.
15868 * gccspec.c (lang_specific_spec_functions): Remove.
15870 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15872 * combine.c (record_value_for_reg): Invalidate registers
15874 (record_dead_and_set_regs_1): Likewise, by passing them to
15875 record_value_for_reg.
15876 (record_dead_and_set_regs): Invalidate stores made by a
15877 call. We do not combine across a call, but we still
15878 relied on equivalences.
15880 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15882 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15883 vrp_int_const_binop returning non-constant nodes.
15885 2006-01-16 Paul Brook <paul@codesourcery.com>
15887 * config/m68k/m68k.c (output_move_const_into_data_reg):
15888 Output correct mnemonic for mvz and mvs.
15890 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15892 * rtl-factoring.c: Add sequence abstraction algorithm.
15893 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15894 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15896 (block_has_preserve_label): New function.
15897 * common.opt: Register new pass.
15898 * Makefile.in: Ditto.
15900 * timevar.def: Ditto.
15901 * tree-pass.h: Ditto.
15902 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15903 * rtl.h (make_jump_insn_raw): Add forward decl.
15904 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15906 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15907 Roger Sayle <roger@eyesopen.com>
15909 * fold-const.c (fold_minmax): New static function.
15910 (fold_binary) <MIN_EXPR>: Call it.
15911 <MAX_EXPR>: Likewise.
15912 * stor-layout.c (place_field): Use DECL_SIZE consistently
15913 in the computation of the new record size.
15915 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15917 * cse.c (cse_condition_code_reg): Make it static.
15918 * rtl.h: Remove the prototype for cse_condition_code_reg.
15920 * combine.c (combine_instructions): Make it static.
15921 * rtl.h: Remove the prototype for combine_instructions.
15923 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15926 * tree.c (get_file_function_name_long): Concatenate the first global
15927 object name with a string derived from the input filename of the object
15930 2006-01-16 Ben Elliston <bje@au.ibm.com>
15932 * config/i386/winnt-stubs.c: Update FSF address.
15933 * config/xtensa/ieee754-df.S: Ditto.
15934 * config/xtensa/ieee754-sf.S: Ditto.
15936 2006-01-14 Ian Lance Taylor <ian@airs.com>
15938 * ifcvt.c (noce_init_if_info): New static function, broken out of
15939 noce_process_if_block.
15940 (noce_process_if_block): Call noce_init_if_info.
15941 (check_cond_move_block): New static function.
15942 (cond_move_process_if_block): New static function.
15943 (process_if_block): Call cond_move_process_if_block.
15945 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15947 * cselib.c (hash_table): Rename to cselib_hash_table.
15948 (cselib_clear_table, discard_useless_values,
15949 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15950 cselib_init, cselib_finish): Adjust uses of hash_table.
15952 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15954 PR tree-optimization/25485
15955 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15956 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15957 is known to be false and true, respectively.
15959 2006-01-14 Richard Guenther <rguenther@suse.de>
15961 PR tree-optimization/22548
15962 PR tree-optimization/22555
15963 PR tree-optimization/22501
15964 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15965 * params.def (salias-max-array-elements): New parameter.
15966 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15967 * doc/invoke.texi (salias-max-array-elements): Document.
15968 * tree-flow-inline.h (var_can_have_subvars): We also handle
15970 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15972 * tree-ssa-structalias.c (params.h): Include.
15973 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15974 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15975 (get_constraint_for): For ADDR_EXPR operating on something
15976 containing an ARRAY_REF, add all subvars to the solution.
15977 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15978 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15979 for creating MUST_DEFs.
15980 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15982 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15984 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15986 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15987 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15988 number_of_iterations_le): New functions.
15989 (number_of_iterations_special): Removed.
15990 (number_of_iterations_exit): Do not use number_of_iterations_special.
15991 * tree.c (unsigned_type_for): Always return integer type.
15993 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15994 Richard Guenther <rguenther@suse.de>
15996 PR rtl-optimization/24257
15997 * gcse.c (find_moveable_store): Only consider a store movable
15998 when the SET_SRC of the insn can be assigned to a register.
16000 2006-01-14 Ian Lance Taylor <ian@airs.com>
16002 * tree.c (tree_not_class_check_failed): New function.
16003 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16004 (tree_not_class_check_failed): Declare.
16006 2006-01-13 Ian Lance Taylor <ian@airs.com>
16008 * reload1.c (do_output_reload): Add assertion rejecting a
16011 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16013 * combine.c (struct reg_stat): Add new fields truncation_label and
16015 (record_value_for_reg): Reset truncated_to_mode.
16016 (record_truncated_value): New function.
16017 (check_promoted_subreg): Call it. Rename to check_conversions.
16018 (combine_instructions): Rename check_promoted_subreg to
16020 (reg_truncated_to_mode): New function.
16021 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16022 (gen_lowpart_or_truncate): New function.
16023 (force_to_mode): Use it instead of gen_lowpart.
16025 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16027 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16028 VAR is a tag, not its type tag.
16030 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16032 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16033 alternatives to match style of other entries.
16034 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16036 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16038 PR tree-optimization/25771
16039 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16042 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16045 * tree-inline.c (declare_return_variable): If the return variable
16046 was marked as a non gimple complex, set the return slot variable
16047 to be a non gimple comple variable.
16049 2006-01-13 Richard Guenther <rguenther@suse.de>
16051 * builtins.c (expand_builtin_sincos): New function.
16052 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16054 (expand_builtin): Expand sincos using expand_builtin_sincos.
16056 2006-01-12 DJ Delorie <dj@redhat.com>
16058 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16059 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16060 so that constant shifts can be split.
16061 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16062 (m32c_valid_pointer_mode): Make static.
16063 (shift_gen_func_for): New.
16064 (m32c_prepare_shift): Use it. Split large const shifts into
16066 * config/m32c/predicates.md (shiftcount_operand): Allow more
16068 (longshiftcount_operand): New.
16069 * doc/md.texi (Machine Constraints): Document In6.
16071 2006-01-13 Ben Elliston <bje@au.ibm.com>
16073 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16074 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16077 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16079 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16080 to try to avoid clobbering pieces of structures when we know
16081 something about the whole structure.
16082 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16084 2006-01-13 Ben Elliston <bje@au.ibm.com>
16086 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16087 return in memory, as this is no limitation is no longer present.
16089 2006-01-12 DJ Delorie <dj@redhat.com>
16091 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16092 mova with fb, and for fb+0 -> An.
16094 * config/m32c/mov.md (peephole2): Fix enabling logic.
16096 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16097 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16098 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16099 FINI_ARRAY_SECTION_ASM_OP): Define.
16101 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16103 (m32c_legitimize_reload_address): New logic to reload FB to An.
16104 (m32c_output_reg_push): Add newline.
16105 (m32c_output_reg_pop): Likewise.
16107 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16109 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16111 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16113 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16115 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16117 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16120 2006-01-11 Ben Elliston <bje@au.ibm.com>
16122 * rtlanal.c (find_reg_note): Assert insn is not null.
16124 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16126 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16129 2006-01-11 Jeff Law <law@redhat.com>
16131 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16133 (mark_threaded_blocks, register_jump_thread): New functions.
16134 (thread_through_all_blocks): Remove unwanted argument. No
16135 longer rely on e->aux to communicate thread target info.
16136 Call mark_threaded_blocks. Release the threaded_blocks
16137 bitmap and threaded_edges vector when complete.
16138 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16139 (threaded_blocks): Remove.
16140 (tree_ssa_dominator_optimize): Remove initialization and
16141 finalization of threaded_blocks. Simplify call to
16142 thread_through_all_blocks.
16143 (thread_across_edge): Call register_jump_thread rather than
16144 storing thread information into e->aux.
16145 (free_all_edge_infos): Simplify now that e->aux is no longer
16146 used to communicate with thread_through_all_blocks.
16147 * tree-flow.h (thread_through_all_blocks): Update prototype.
16148 (register_jump_thread): Prototype.
16150 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16152 * df-core.c (df_compact_blocks, df_bb_replace): Use
16153 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16155 2006-01-11 Richard Guenther <rguenther@suse.de>
16157 PR tree-optimization/25734
16158 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16159 stop propagation after successful propagation to the LHS.
16161 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16163 * basic-block.h (control_flow_graph): Change the type of
16164 x_basic_block_info to VEC(basic_block,gc) *.
16165 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16167 (SET_BASIC_BLOCK): New.
16168 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16169 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16170 * cfgbuild.c (find_basic_blocks): Likewise.
16171 * cfglayout.c (fixup_reorder_chain): Likewise.
16172 * cfgrtl.c (create_basic_block_structure,
16173 rtl_create_basic_block): Likewise.
16174 * ifcvt.c (find_if_case_1): Likewise.
16175 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16178 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16180 * Makefile.in: Removed rotted odf.c entry.
16182 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16185 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16186 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16187 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16188 output pattern modifier, not %e.
16189 * config/cris/cris.c (cris_op_str): Update comment about pattern
16191 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16192 before falling through into...
16193 <case 'E'>: Redefined from old 'e' case.
16195 2006-01-11 Jan Hubicka <jh@suse.cz>
16198 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16200 2006-01-11 Jan Hubicka <jh@suse.cz>
16202 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16203 * i386.c (x86_decompose_lea): Kill.
16204 (ix86_rtx_costs): Kill.
16206 2006-01-11 Jan Hubicka <jh@suse.cz>
16208 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16209 * cgraph.h (cgraph_node): Add inline_decl.
16210 (cgraph_insert_node_to_hashtable): Declare.
16211 (save_inline_function_body): Declare.
16212 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16214 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16215 (cgraph_function_versioning): Update call of tree_function_versioning.
16216 (save_inline_function_body): New function.
16217 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16218 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16219 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16220 (cgraph_default_inline_p): Likewise.
16221 (cgraph_decide_inlining_incrementally): Likewise.
16222 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16223 (copy_bb): Kill saving; do updating of clones.
16224 (copy_cfg_body): Kill saving.
16225 (initialize_inlined-parameters): Likewise.
16226 (expand_call_inline): Likewise.
16228 (tree_function_versioning): New parameter "update_clones".
16229 (inlining_p): Kill saving.
16230 * tree-inline.h (tree_function_versioning): Update prototype.
16231 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16234 2006-01-11 Ian Lance Taylor <ian@airs.com>
16236 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16237 Allow undoing set of machine mode.
16238 (do_SUBST): Use enums instead of is_int.
16239 (do_SUBST_MODE): New function.
16240 (SUBST_MODE): New macro.
16241 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16242 reg and trying to replace reg_regno_rtx with a new register.
16243 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16244 (simplify_set): Use SUBST_MODE.
16245 (distribute_notes): Remove code that tried to update reg notes
16246 for regno_reg_rtx changes.
16248 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16250 PR tree-optimization/23109
16251 PR tree-optimization/23948
16252 PR tree-optimization/24123
16254 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16255 * tree-cfg.c (single_noncomplex_succ): New.
16256 * tree-flow.h (single_noncomplex_succ): Declare it.
16257 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16258 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16259 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16260 insert_bb, register_division_in, insert_reciprocals,
16261 replace_reciprocal, free_bb): New.
16262 (execute_cse_reciprocals_1): Rewritten.
16263 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16264 Do not commit any edge insertion. Always compute dominators and
16265 create the allocation pool.
16266 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16267 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16268 * targhooks.c (default_min_divistions_for_recip_mul): New.
16269 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16270 * passes.c (init_optimization_passes): Run recip after tree loop
16272 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16274 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16275 Kenneth Zadeck <zadeck@naturalbridge.com>
16277 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16278 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16279 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16280 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16281 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16282 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16283 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16284 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16285 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16286 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16287 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16288 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16289 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16290 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16291 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16292 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16293 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16294 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16295 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16296 DF_SCAN_POST_ALLOC): New macros.
16297 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16298 df_free_bb_function, df_local_compute_function, df_init_function,
16299 df_dataflow_function, df_confluence_function_0,
16300 df_confluence_function_n, df_transfer_function,
16301 df_finalizer_function, df_free_function, df_dump_problem_function,
16302 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16303 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16304 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16305 df_urec_bb_info, ) New types.
16306 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16308 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16309 df_analyze_simple_change_some_blocks,
16310 df_analyze_simple_change_one_block, df_compact_blocks,
16311 df_bb_replace, df_bb_regno_last_use_find,
16312 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16313 df_insn_regno_def_p, df_find_def, df_find_use,
16314 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16315 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16316 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16317 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16318 debug_df_chain, df_get_dependent_problem, df_chain_create,
16319 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16320 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16321 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16322 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16323 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16324 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16325 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16326 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16327 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16328 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16329 df_reorganize_refs, df_set_state, df_hard_reg_init,
16330 df_read_modify_subreg_p) New public functions.
16331 * df-core.c: The core dataflow solver and glue routines for rtl
16333 (df_init, df_add_problem, df_set_blocks, df_finish,
16334 df_hybrid_search_forward, df_hybrid_search_backward,
16335 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16336 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16337 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16338 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16339 df_reg_defined, df_find_use, df_reg_used, df_dump,
16340 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16341 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16342 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16343 debug_df_useno, reset_df_after_reload): New functions.
16344 * df-scan.c: The scanning fuctions, once in df.c, completely
16345 rewritten so that they now fully model the functionality of
16346 register usage at the backend.
16347 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16348 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16349 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16350 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16351 df_get_artificial_defs, df_get_artificial_uses,
16352 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16353 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16354 df_refs_delete, df_reorganize_refs, df_set_state,
16355 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16356 df_def_record_1, df_defs_record, df_uses_record,
16357 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16358 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16359 df_record_exit_block_uses, df_hard_reg_init): New functions.
16361 * df-problems.c: Seven concrete dataflow problems that use the
16362 scanning in df-scan.c and are solved by the engine in df-core.c.
16363 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16364 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16365 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16366 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16367 df_ru_free_bb_info, df_ru_alloc,
16368 df_ru_bb_local_compute_process_def,
16369 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16370 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16371 df_ru_transfer_function, df_ru_free, df_ru_dump,
16372 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16373 df_rd_free_bb_info, df_rd_alloc,
16374 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16375 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16376 df_rd_transfer_function, df_rd_free, df_rd_dump,
16377 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16378 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16379 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16380 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16381 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16382 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16383 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16384 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16385 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16386 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16387 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16388 df_urec_mark_reg_use_for_earlyclobber,
16389 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16390 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16391 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16392 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16393 df_chain_create_bb_process_use, df_chain_create_bb,
16394 df_chain_finalize, df_chain_free, df_chains_dump,
16395 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16396 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16397 df_reg_lifetime): New functions.
16398 * df.c: Deleted file.
16399 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16400 consistent with new df api.
16401 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16402 rest_of_handle_sms): Ditto.
16403 * web.c (unionfind_union, union_defs, entry_register, web_main):
16405 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16406 invariant_expr_equal_p, find_defs, check_dependencies,
16407 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16408 free_inv_motion_data, move_loop_invariants): Ditto.
16409 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16410 Update dependencies.
16411 (odf.c): Added defective entry that was deleted later in day.
16412 * sched-deps.c (sched_analyze_1): Ditto.
16414 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16416 * tree-ssa-operands.c (get_expr_operands): Record addressable
16417 variables directly. Do not call add_stmt_operands for CONST_DECLs
16419 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16420 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16422 2006-01-11 Ben Elliston <bje@au.ibm.com>
16424 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16425 function returns true in the positive case.
16427 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16430 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16431 for SI, DI, SF and DF modes. Add alternatives to copy between
16432 general and floating point registers to the 32-bit patterns.
16433 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16434 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16435 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16436 generating 64-bit code.
16437 * config/pa/pa.c (output_move_double): Handle copies between general
16438 and floating registers.
16440 2006-01-10 Stuart Hastings <stuart@apple.com>
16442 * config/i386/i386.md (set_got): Update.
16443 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16444 (builtin_setjmp_receiver): Mach-O support.
16445 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16446 (GOT_SYMBOL_NAME): Define.
16447 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16448 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16449 * config/i386/i386.c (override_options): Revise for Darwin.
16450 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16451 support. (darwin_x86_file_end): New. (output_set_got): Add label
16452 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16453 * config/i386/i386-protos.h (output_set_got): Likewise.
16454 * config/darwin.c (machopic_legitimize_pic_address): Update
16457 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16459 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16460 when MODE isn't BLKmode.
16462 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16464 PR rtl-optimization/25367
16465 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16467 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16470 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16471 for a negative bound.
16473 2006-01-10 Richard Guenther <rguenther@suse.de>
16475 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16476 Never override with anything constraint.
16478 2006-01-10 Jan Beulich <jbeulich@novell.com>
16480 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16481 256 bits when optimize_size.
16483 2006-01-10 Jan Beulich <jbeulich@novell.com>
16485 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16487 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16488 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16491 2006-01-10 Ben Elliston <bje@au.ibm.com>
16493 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16495 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16496 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16497 (USE_FP_FOR_ARG): Reject decimal float modes.
16498 (function_arg_advance): Likewise.
16499 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16500 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16501 point types in AltiVec vectors.
16502 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16503 (rs6000_libcall_value): Likewise.
16505 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16507 * config/xtensa/ieee754-df.S: New file.
16508 * config/xtensa/ieee754-sf.S: New file.
16509 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16510 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16511 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16513 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16515 * config/sh/predicates.md (binary_float_operator,
16516 binary_logical_operator, commutative_float_operator,
16517 equality_comparison_operator, greater_comparison_operator,
16518 less_comparison_operator, logical_operator,
16519 noncommutative_float_operator, shift_operator,
16520 symbol_ref_operand, unary_float_operator): Remove redundant
16523 2006-01-09 Jeff Law <law@redhat.com>
16525 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16526 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16527 now unused arguments. Callers updated.
16528 (eliminate_redundant_computations): Remove now unused arguments,
16530 (local_fold): Remove, no longer used.
16531 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16533 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16534 (simplify_cond): New function.
16535 (forward_propagate_into_cond): Call simplify_cond.
16537 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16539 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16540 (*vec_extractv2di_1_sse): New.
16542 2006-01-09 Ben Elliston <bje@au.ibm.com>
16544 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16546 2006-01-08 Richard Guenther <rguenther@suse.de>
16548 * tree-ssa-structalias.c (get_constraint_for): Remove
16549 anyoffset argument.
16550 (get_constraint_for_component_ref): Likewise.
16551 (do_deref): Likewise.
16552 (get_constraint_for): Likewise.
16553 (do_structure_copy): Likewise.
16554 (handle_ptr_arith): Likewise.
16555 (find_func_aliases): Likewise. Remove unused need_anyoffset
16558 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16559 Kaz Kojima <kkojima@gcc.gnu.org>
16561 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16562 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16563 (EXTRA_CONSTRAINT_C16): Remove.
16564 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16565 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16566 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16567 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16568 constants of SHmedia. Handle nested constant expressions of
16570 (andcosts): Fix the costs for SHmedia constants.
16571 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16572 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16573 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16574 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16575 (movv4hi_i, movv2si_i): Likewise.
16576 (movsi_const): Adjust the second operand of ior so to match with
16577 the Csu constraint.
16578 (movdi_const, movdi_const_32bit): Likewise.
16579 (movdi_const_16bit+1): Don't sign-extend LOW.
16580 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16582 (*double_shori): Fix the split condition. Use GEN_INT instead
16583 of get_int_mode calls. Mask lower 16-bit of the argument of
16585 (sym2GOTPLT): Remove.
16586 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16588 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16589 instead of EXTRA_CONSTRAINT_C16.
16591 2006-01-07 Ian Lance Taylor <ian@airs.com>
16592 David Edelsohn <edelsohn@gnu.org>
16594 PR rtl-optimization/25662
16595 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16596 for constant operands instead of simplify_gen_binary.
16597 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16598 after trying simplify_binary_operation
16600 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16602 * tree.c (iterative_hash_expr): Hash decls based on UID.
16604 2006-01-06 Eric Christopher <echristo@apple.com>
16606 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16607 (TARGET_UNWIND_EMIT): Fix spelling.
16608 * target.h (gcc_target): Add except_table_label.
16609 * except.c (output_function_exception_table): Use.
16610 * varasm.c (default_emit_except_table_label): New.
16611 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16613 (asm_out): Add here.
16614 * output.h (default_emit_except_table_label): Prototype.
16615 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16616 * config/darwin.c (darwin_emit_except_table_label): Define.
16617 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16619 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16621 PR tree-optimization/18527
16622 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16623 number_of_iterations_special, number_of_iterations_exit):
16624 Move base and step of an iv to a single structure. Add
16625 no_overflow flag, and use it in # of iterations analysis.
16626 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16627 folded_casts argument.
16628 (simple_iv): Pass base and step in a structure. Set no_overflow
16630 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16631 Evaluate expensiveness of computing # of iterations instead of
16632 the final expression.
16633 * tree-scalar-evolution.h (affine_iv): New structure.
16634 (simple_iv): Declaration changed.
16635 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16636 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16637 find_givs_in_stmt): Changed due to simple_iv change.
16639 2006-01-06 Jeff Law <law@redhat.com>
16642 * tree-cfg.c (bsi_replace): Rename final argument from
16643 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16644 change (stmt -> orig_stmt).
16645 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16646 (bsi_remove): Add new argument. Remove EH information
16648 (verify_eh_throw_table_statements): New function.
16649 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16651 * tree-optimize.c (execute_free_cfg_annotations): Verify
16652 the EH throw statement table after removing annotations.
16653 * except.h (verify_eh_throw_table_statements): Prototype.
16654 * tree-flow.h (bsi_remove): Update prototype.
16655 * tree-vrp.c (remove_range_assertions): Add new argument to
16657 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16658 * tree-complex.c (expand_complex_div_wide): Likewise.
16659 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16660 * tree-tailcall.c (eliminate_tailcall): Likewise.
16661 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16662 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16663 * tree-nrv.c (tree_nrv): Likewise.
16664 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16665 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16666 (combine_blocks): Likewise.
16667 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16668 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16669 (cleanup_control_flow): Likewise.
16670 (remove_forwarder_block): Likewise.
16671 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16672 * tree-sra.c (sra_replace): Likewise.
16673 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16674 (forward_propagate_single_use_vars): Likewise.
16675 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16676 * tree-inline.c (expand_call_inline): Likewise.
16677 * tree-vect-transform.c (vect_transform_loop): Likewise.
16678 * tree-outof-ssa.c (rewrite_trees): Likewise.
16679 * tree-cfg.c (make_goto_expr_edges): Likewise.
16680 (cleanup_dead_labels): Likewise.
16681 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16682 (bsi_move_before, bsi_move_after): Likewise.
16683 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16684 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16686 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16689 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16691 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16692 on non gimple variables. Also add checks at the top for decls and
16694 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16696 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16697 and IMAGPART_EXPR for creating MUST_DEFs.
16698 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16699 and NAME_MEMORY_TAG separately from the DECLs.
16701 2006-01-06 Richard Guenther <rguenther@suse.de>
16703 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16704 annotation, if necessary.
16705 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16706 redundant calls to update_stmt.
16707 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16710 2006-01-05 Richard Henderson <rth@redhat.com>
16712 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16714 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16716 * c-typeck.c: Update copyright date.
16718 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16720 * c-typeck.c (build_c_cast): Always warn when casting
16721 from a pointer to an integer of different size, even if
16722 the node was constant.
16724 2006-01-05 Richard Guenther <rguenther@suse.de>
16726 PR tree-optimization/22555
16727 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16728 if one structure field is an array.
16729 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16730 operands even if we found a subvar, but ignore VOPs in this
16732 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16734 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16736 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16738 PR middle-end/24998
16739 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16741 2006-01-05 Richard Guenther <rguenther@suse.de>
16742 Diego Novillo <dnovillo@redhat.com>
16744 * tree-pass.h (TODO_remove_unused_locals): Define.
16745 * gimple-low.c (expand_var_p, remove_useless_vars,
16746 pass_remove_useless_vars): Remove. Update all users.
16747 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16748 (remove_unused_locals): New function.
16749 * tree-flow.h (remove_unused_locals): Declare.
16750 * passes.c (execute_todo): Call remove_unused_locals if
16751 TODO_remove_unused_locals is set.
16752 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16753 * tree-ssa-dce.c (pass_dce): Likewise.
16754 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16756 2006-01-05 Richard Guenther <rguenther@suse.de>
16758 * tree-flow.h (struct fieldoff): Decompose field to
16759 type, size and decl.
16760 * tree-ssa-alias.c (create_sft): Take type as parameter.
16761 (create_overlap_variables_for): Store type, size and decl
16762 in the fieldoff structure.
16763 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16764 of struct fieldoff.
16765 (push_fields_onto_fieldstack): Likewise.
16766 (create_variable_info_for): Likewise. Use offset for the
16767 SFT name if the decl is not available.
16769 2006-01-04 Paul Brook <paul@codesourcery.com>
16771 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16773 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16775 * lambda-code.c (can_put_in_inner_loop): Relax
16777 (can_put_after_inner_loop): New function.
16778 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16779 (perfect_nestify): Change to make copies and modify uses.
16781 2006-01-04 Richard Henderson <rth@redhat.com>
16783 Merge from gomp branch:
16784 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16785 via integer constant.
16786 (pragma_lex): Remove.
16787 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16788 rather than parsing it.
16789 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16790 handle_pragma_extern_prefix): Add %< %> quotes.
16791 (registered_pragmas): New.
16792 (c_register_pragma_1): New.
16793 (c_register_pragma): Use it.
16794 (c_register_pragma_with_expansion): Likewise.
16795 (c_invoke_pragma_handler): New.
16796 (init_pragma): Use cpp_register_deferred_pragma directly for
16798 * c-pragma.h (enum pragma_kind): New.
16799 (pragma_handler): New.
16800 (c_invoke_pragma_handler): Declare.
16801 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16803 * c-common.h (c_common_pch_pragma): Update decl.
16804 * Makefile.in (c-parser.o): Update dependencies.
16805 (GTFILES): Add c-pragma.h.
16806 * c-parser.c (struct c_token): Add pragma_kind.
16807 (struct c_parser): Add in_pragma.
16808 (c_lex_one_token): Always initialize keyword and pragma_kind.
16809 Extract data for CPP_PRAGMA.
16810 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16811 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16812 Don't allow CPP_PRAGMA_EOL if in_pragma.
16813 (c_parser_consume_pragma): New.
16814 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16815 (c_parser_skip_to_end_of_parameter): Likewise.
16816 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16817 (c_parser_skip_to_pragma_eol): New.
16818 (c_parser_external_declaration): Handle CPP_PRAGMA.
16819 (c_parser_compound_statement_nostart): Likewise.
16820 (c_parser_statement_after_labels): Likewise.
16821 (c_parser_pragma): New.
16822 (pragma_lex): Likewise.
16823 (c_parser_pragma_pch_preprocess): New.
16824 (c_parser_new): Merge into ...
16825 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16827 2006-01-04 Jeff Law <law@redhat.com>
16830 * tree-cfg.c (bsi_replace): Remove the original statement
16831 from the EH throw statement table.
16833 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16835 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16836 make the prototype extern "C" and add throw ().
16839 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16840 and pos non-negative and pos + len <= 32.
16841 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16842 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16843 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16846 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16847 as well as sizes not multiple of component size.
16850 * function.c (instantiate_expr): New function.
16851 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16852 walk its DECL_VALUE_EXPR with instantiate_expr.
16854 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16855 DW_OP_deref{,_size} if address isn't going to be added.
16857 2006-01-04 Ben Elliston <bje@au.ibm.com>
16859 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16860 * config/fp-bit.c: Likewise.
16862 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16864 * dominance.c: Add comment about why we use DFS numbering
16867 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16868 Richard Henderson <rth@redhat.com>
16870 Merge from gomp-branch:
16871 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16872 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16874 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16876 PR rtl-optimization/25578
16877 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16878 pass a parameter to simplify_shift_const if changing ASHIFTRT
16881 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16883 * builtins.c (get_builtin_sync_mem): New function.
16884 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16885 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16886 Call get_builtin_sync_mem to generate mem rtx.
16888 2006-01-03 Richard Guenther <rguenther@suse.de>
16891 * stmt.c (add_case_node): Make sure to clear overflow flags
16894 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16896 Merge from gomp-branch.
16897 * config/sparc/sync.md: New file.
16898 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16899 UNSPECV_LDSTUB): New constants.
16900 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16901 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16902 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16905 2006-01-03 Roger Sayle <roger@eyesopen.com>
16907 * combine.c (reg_subword_p): New predicate to test whether the
16908 destination of a set refers to a subword/piece of a register.
16909 (try_combine): Generalize the code to merge the setting of a
16910 pseudo to a constant followed by a set of a subword of that
16911 register to a constant.
16913 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16915 * basic-block.h (control_flow_graph): Change the type of
16916 x_label_to_block_map to VEC(basic_block,gc) *.
16917 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16918 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16920 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16921 VEC(basic_block,heap) *.
16922 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16923 ssa_prop_fini): Adjust the uses of cfg_blocks.
16925 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16927 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16929 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16930 hashing trees instead of a pointer hash.
16931 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16932 compare for MEM_EXPR.
16934 PR rtl-optimization/25130
16935 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16936 when comparing MEMs for GCSE
16938 2006-01-03 Ben Elliston <bje@au.ibm.com>
16940 * targhooks.h (default_decimal_float_supported_p): Declare.
16941 * targhooks.c (default_decimal_float_supported_p): Define.
16942 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16943 `default_decimal_float_supported_p'.
16944 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16946 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16948 * combine.c (apply_distributive_law <SUBREG>): Check
16949 TRULY_NOOP_TRUNCATION.
16951 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16953 * dwarf2out.c (have_switched_text_section): Delete.
16954 (have_multiple_function_sections): New.
16955 (have_location_lists): Make 'bool'.
16956 (add_AT_loc_list): Use 'true' not '1'.
16957 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16958 (output_loc_list): Use have_multiple_function_sections.
16959 (output_ranges): Likewise.
16960 (dwarf2out_begin_function): Set have_multiple_function_sections if
16962 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16963 Check function_section rather than DECL_SECTION_NAME.
16964 (dwarf2out_finish): Use have_multiple_function_sections.
16965 Don't clear have_location_lists.
16967 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16968 Jan Hubicka <jh@suse.cz>
16970 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16971 case of conditional jump jumping to the next instruction.
16972 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16973 cases of conditional jump jumping to the next instruction.
16975 2006-01-02 Jan Hubicka <jh@suse.cz>
16977 * i386.c (*_cost): Add COSTS_N_INSNS.
16978 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16980 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16983 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16985 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16987 * config/arm/arm.c (all_fpus): Fix comment typo.
16988 * config/darwin.c: Likewise.
16989 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16990 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16991 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16993 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16995 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16996 (rs6000_split_compare_and_swapqhi): New.
16997 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16998 (sync_compare_and_swapqhi_internal): New.
16999 * config/rs6000/rs6000-protos.h: Declare.