1 2006-09-07 Eric Christopher <echristo@apple.com>
2 Falk Hueffner <falk@debian.org>
4 * doc/extend.texi (__builtin_bswap32): Document.
5 (__builtin_bswap64): Ditto.
6 * doc/libgcc.texi (bswapsi2): Document.
8 * doc/rtl.texi (bswap): Document.
9 * optabs.c (expand_unop): Don't widen a bswap.
10 (init_optabs): Init bswap. Set libfuncs explicitly
11 for bswapsi2 and bswapdi2.
12 * optabs.h (OTI_bswap): New.
14 * genopinit.c (optabs): Handle bswap_optab.
15 * tree.h (tree_index): Add TI_UINT32_TYPE and
17 (uint32_type_node): New.
18 (uint64_type_node): Ditto.
19 * tree.c (build_common_tree_nodes_2): Initialize
20 uint32_type_node and uint64_type_node.
21 * builtins.c (expand_builtin_bswap): New.
22 (expand_builtin): Call.
23 (fold_builtin_bswap): New.
24 (fold_builtin_1): Call.
25 * fold-const.c (tree_expr_nonnegative_p): Return true
27 * builtin-types.def (BT_UINT32): New.
29 (BT_FN_UINT32_UINT32): Ditto.
30 (BT_FN_UINT64_UINT64): Ditto.
31 * builtins.def (BUILT_IN_BSWAP32): New.
32 (BUILT_IN_BSWAP64): Ditto.
33 * rtl.def (BSWAP): New.
34 * genattrtab.c (check_attr_value): New.
35 * libgcc2.c (__bswapSI2): New.
37 * libgcc2.h (__bswapSI2): Declare.
39 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
40 * simplify-rtx.c (simplify_const_unary_operation): Return
42 * libgcc-std.ver (__bwapsi2): Add.
44 * reload1.c (eliminate_regs_1): Add bswap.
45 (elimination_effects): Ditto.
46 * config/i386/i386.h (x86_bswap): New.
48 * config/i386/i386.c (x86_bswap): Set.
50 2006-10-31 Geoffrey Keating <geoffk@apple.com>
52 * coverage.c (coverage_checksum_string): Update comment.
53 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
54 of get_file_function_name.
55 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
56 of get_file_function_name_long.
57 * tree.c (get_file_function_name): Rename from
58 get_file_function_name_long; improve comment; handle 'I' and 'D'
59 specially when the target has ctor/dtor support; remove special
61 (get_file_function_name): Remove.
62 * tree.h (get_file_function_name): Rename from
63 get_file_function_name_long.
64 (get_file_function_name): Remove prototype.
66 2006-10-31 Geoffrey Keating <geoffk@apple.com>
68 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
69 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
71 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
72 Call dsymutil when compiling and linking one or more source files
75 2006-10-31 Geoffrey Keating <geoffk@apple.com>
78 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
80 2006-10-31 Geoffrey Keating <geoffk@apple.com>
82 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
83 inline static functions in c99 mode.
86 * doc/extend.texi (Inline): Update.
87 * c-tree.h (struct language_function): Remove field 'extern_inline'.
88 * c-decl.c (current_extern_inline): Delete.
89 (pop_scope): Adjust test for an undefined nested function.
90 Add warning about undeclared inline function.
91 (diagnose_mismatched_decls): Update comments. Disallow overriding
92 of inline functions in a translation unit in C99. Allow inline
93 declarations in C99 at any time.
94 (merge_decls): Boolize variables. Handle C99 'extern inline'
96 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
98 (start_function): Don't clear current_extern_inline. Don't set
100 (c_push_function_context): Don't push current_extern_inline.
101 (c_pop_function_context): Don't restore current_extern_inline.
104 * c-typeck.c (build_external_ref): Warn about static variables
105 used in extern inline functions.
106 * c-decl.c (start_decl): Warn about static variables declared
107 in extern inline functions.
109 2006-10-31 Roger Sayle <roger@eyesopen.com>
112 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
113 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
114 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
115 or y is an even integer.
117 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
120 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
121 * gthr-posix95.h (__gthread_active_p): Likewise.
123 2006-10-31 Richard Guenther <rguenther@suse.de>
125 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
126 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
127 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
128 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
129 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
130 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
131 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
132 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
135 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
137 * opts.c (decode_options): Disable CSE skip blocks.
139 2006-10-30 Dirk Mueller <dmueller@suse.de>
141 * c-common.h (strict_aliasing_warning): Fix whitespace.
142 * c-decl (start_function): Move code for main decl warning ..
143 * c-common.c (check_main_parameter_types): .. here.
144 * c-common.h (check_main_parameter_types): Declare.
146 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
149 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
151 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
153 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
154 be a PARALLEL containing sets. Return false when out_pat is not
157 2006-10-30 Richard Sandiford <richard@codesourcery.com>
159 * config/mips/mips.md (mul<mode>3): Split into...
160 (mulsi3, muldi3): ...these separate patterns.
162 2006-10-30 Richard Sandiford <richard@codesourcery.com>
164 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
165 but with each set of options separated by spaces.
167 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
169 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
170 dwarf_reg_size_table has been initialized.
172 2006-10-30 Roger Sayle <roger@eyesopen.com>
174 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
175 * ddg.c (print_ddg_edge): Likewise.
176 * dwarf2out.c (prune_unused_types_walk): Likewise.
177 * ifcvt.c (noce_try_cmove_arith): Likewise.
178 * langhooks.c (add_builtin_function): Likewise.
179 * reg-stack.c (subst_stack_regs_pat): Likewise.
180 * tree.c (expanded_location): Likewise.
181 * tree-dump.c (dequeue_and_dump): Likewise.
183 2006-10-30 David Daney <ddaney@avtrex.com>
185 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
187 2006-10-30 Jakub Jelinek <jakub@redhat.com>
189 PR tree-optimization/29637
190 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
191 of the innertype is the innertype itself.
193 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
195 * dwarf2out.c (file_name_acquire): Correct typo.
197 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
199 * tree.h (tree_value_handle): Remove struct value_set declaration.
200 Change value_set to bitmap_set.
201 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
202 * tree-vn.c (get_value_handle): Made inline and moved to
204 * tree-flow-inline.h: (has_stmt_ann): New function.
205 * tree-ssa-pre.c (expressions): New variable.
206 (next_expression_id): Ditto.
207 (alloc_expression_id): New function.
208 (struct value_set): Remove.
209 (get_expression_id): New function.
210 (get_or_alloc_expression_id): Ditto.
211 (expression_for_id): Ditto.
212 (clear_expression_ids): Ditto.
213 (FOR_EACH_EXPR_ID_IN_SET): New macro.
214 (bb_value_sets): Renamed to bb_bitmap_sets.
215 All value sets replaced with bitmap_sets.
217 (BB_VISITED): New macro.
218 (postorder): New variable.
219 (add_to_value): Removed.
220 (value_exists_in_set_bitmap): Ditto.
221 (value_insert_into_set_bitmap): Ditto.
225 (set_contains_value): Ditto.
226 (insert_into_set): Ditto.
228 (find_leader): Ditto.
229 (bitmap_set_subtract_from_value_set): Ditto.
230 (value_insert_into_set): Ditto.
231 (print_value_set): Ditto.
232 (debug_value_set): Ditto.
233 (constant_expr_p): New function.
234 (bitmap_remove_from_set): Ditto.
235 (bitmap_insert_into_set): Ditto.
236 (bitmap_set_free): Ditto.
238 (sorted_array_from_bitmap_set): Ditto.
239 (bitmap_set_subtract): Ditto.
240 (bitmap_set_equal): Ditto.
241 (debug_bitmap_set): Ditto.
242 (find_leader_in_sets): Ditto.
243 (bitmap_set_replace_value): Modify for bitmapped sets.
244 (phi_translate): Ditto.
245 (phi_translate_set): Ditto.
246 (bitmap_find_leader): Ditto.
247 (valid_in_sets): Ditto.
248 (union_contains_value): Ditto.
250 (compute_antic_aux): Ditto. Mark changed blocks.
251 (compute_antic): Ditto. Iterate in postorder and only over
253 (compute_rvuse_and_antic_safe): Reuse postorder.
254 (create_component_ref_by_pieces): Modify for bitmapped sets.
255 (find_or_generate_expression): Ditto.
256 (create_expression_by_pieces): Ditto.
257 (insert_into_preds_of_block): Ditto.
258 (changed_blocks): New variable.
259 (do_regular_insertion): Broken out from insert_aux.
260 (insert_aux): Modified for bitmapped sets.
261 (find_existing_value_expr): New function.
262 (create_value_expr_from): Use it.
263 (insert_extra_phis): Removed.
264 (print_bitmap_set): Renamed from bitmap_print_value_set.
265 (compute_avail): Handle RETURN_EXPR.
266 (init_pre): Modify for bitmapped sets.
267 * tree-flow.h (has_stmt_ann): New function.
269 2006-10-29 Roger Sayle <roger@eyesopen.com>
271 * builtins.c (fold_builtin_floor): Check for the availability of
272 the C99 trunc function before transforming floor into trunc.
274 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * builtins.c (fold_builtin_hypot): Rearrange recursive
277 transformation before others, and also do ABS_EXPR. When
278 necessary, check flag_unsafe_math_optimizations. When necessary,
281 2006-10-29 Roger Sayle <roger@eyesopen.com>
283 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
284 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
285 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
286 Fold -X eq/ne -Y as X eq/ne Y.
288 2006-10-29 Richard Sandiford <richard@codesourcery.com>
290 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
291 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
292 rather than GENERATE_MULT3_SI in the various define_peephole2s.
293 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
294 Use an inclusive test for "mult" rather than "mul".
295 (rotr<mode>3): Depend on ISA_HAS_ROR.
296 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
298 (GENERATE_MULT3_DI): Delete.
299 (ISA_HAS_64BIT_REGS): Use consistent formatting.
300 (ISA_HAS_MUL3): New macro.
301 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
302 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
303 (ISA_HAS_CLZ_CLO): Likewise.
304 (ISA_HAS_DCLZ_DCLO): Delete.
305 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
306 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
307 the VR4120 and VR4130.
308 (ISA_HAS_MACCHI): Use consistent formatting.
309 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
310 (ISA_HAS_ROR): ...this new macro.
311 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
312 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
313 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
315 2006-10-29 Roger Sayle <roger@eyesopen.com>
317 PR tree-optimization/15458
318 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
321 2006-10-29 Richard Guenther <rguenther@suse.de>
323 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
324 (ix86_expand_truncdf_32): Likewise.
325 * config/i386/i386.c (ix86_expand_trunc): New function expanding
326 trunc inline for SSE math and -fno-trapping-math and if not
328 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
329 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
330 for expanding btrunc inline for SSE math.
332 2006-10-29 Joseph Myers <joseph@codesourcery.com>
334 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
335 Handle tuning for bi-arch i[34567]86-*-linux* like that for
336 i[34567]86-*-solaris2.1[0-9]*.
337 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
338 Define conditionally depending on TARGET_64BIT_DEFAULT.
339 (SPEC_32, SPEC_64): Define.
340 (LINK_SPEC): Use them.
341 * doc/install.texi (--enable-targets=all): Document for x86-linux.
343 2006-10-29 Richard Guenther <rguenther@suse.de>
345 * config/i386/i386-protos.h (ix86_expand_round): Declare.
346 (ix86_expand_rounddf_32): Likewise.
347 * config/i386/i386.c (ix86_expand_round): New function expanding
348 round inline for SSE math and -fno-trapping-math and if not
350 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
351 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
352 round via ix86_expand_round.
354 2006-10-29 Richard Guenther <rguenther@suse.de>
356 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
357 (ix86_expand_floorceildf_32): Likewise.
358 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
359 static helper function.
360 (ix86_expand_floorceil): Expander for floor and ceil to SSE
362 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
363 * config/i386/i386.md (floordf2): Adjust to enable floor
364 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
365 -fno-trapping-math is enabled and if not optimizing for size.
366 (floorsf2, ceildf2, ceilsf2): Likewise.
367 * config/i386/sse.md (sse_maskcmpsf3): New insn.
368 (sse2_maskcmpdf3): Likewise.
370 2006-10-29 Richard Guenther <rguenther@suse.de>
372 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
373 rint in case -fno-trapping-math is enabled.
374 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
375 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
376 (ix86_expand_sse_fabs): Likewise.
377 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
378 * config/i386/i386.md (rintdf2): Enable for SSE math if
379 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
382 2006-10-29 Richard Guenther <rguenther@suse.de>
384 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
385 to conversion optabs.
386 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
388 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
389 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
390 (lfloor_optab, lceil_optab): Adjust defines.
391 * builtins.c (expand_builtin_int_roundingfn): Adjust for
392 lfloor and lceil optabs now being conversion optabs.
393 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
394 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
395 New static helper function.
396 (ix86_expand_lfloorceil): New function to expand lfloor and
398 * config/i386/i386.md (lfloor<mode>2): Split into ...
399 (lfloorxf<mode>2): ... x87 variant
400 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
401 using ix86_expand_lfloorceil.
402 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
404 * doc/md.texi (lfloorMN, lceilMN): Document.
406 2006-10-29 Richard Sandiford <richard@codesourcery.com>
408 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
409 -mno-shared assembler option on mips targets.
410 * configure, config.in: Regenerate.
411 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
412 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
413 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
415 2006-10-29 Richard Sandiford <richard@codesourcery.com>
417 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
418 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
420 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
422 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
423 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
426 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
430 (fold_builtin_pow): Evaluate constant arguments at compile-time
432 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
433 (do_mpfr_ckconv): New helper function.
434 (do_mpfr_arg1): Use do_mpfr_ckconv.
437 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
440 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
441 (-fdump-rtl-sched): Rename to ..
442 (-fdump-rtl-sched1): here. Also fix file extension number.
444 2006-10-28 Richard Guenther <rguenther@suse.de>
446 * fold-const.c (maybe_canonicalize_comparison): Fix code
449 2006-10-28 Uros Bizjak <uros@kss-loka.si>
451 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
452 (NON_QI_REG_P): Use IN_RANGE.
453 (REX_INT_REGNO_P): Use IN_RANGE.
454 (FP_REGNO_P): Use IN_RANGE.
455 (SSE_REGNO_P): Use IN_RANGE.
456 (REX_SSE_REGNO_P): Use IN_RANGE.
457 (MMX_REGNO_P): Use IN_RANGE.
458 (STACK_REGNO_P): New macro.
459 (STACK_REG_P): Use STACK_REGNO_P.
460 (NON_STACK_REG_P): Use STACK_REGNO_P.
461 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
462 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
463 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
464 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
465 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
467 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
469 * except.h (output_function_exception_table): Add 'const char*' param.
470 * except.c (switch_to_exception_section): Add 'const char*' param.
471 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
472 and flag_function_sections is set, use a function-specific section.
473 (output_function_exception_table): Add 'const char*' param.
474 Adjust call to switch_to_exception_section.
475 * final.c (rest_of_handle_final): Adjust calls to
476 output_function_exception_table.
477 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
478 * config.in: Regenerate.
479 * configure: Likewise.
481 2006-10-28 Richard Guenther <rguenther@suse.de>
484 * fold-const.c (maybe_canonicalize_comparison_1): Helper
485 for maybe_canonicalize_comparison.
486 (maybe_canonicalize_comparison): New function for canonicalizing
488 (fold_comparison): Call it to canonicalize comparisons with
491 2006-10-28 Richard Guenther <rguenther@suse.de>
494 * builtins.c (expand_builtin_int_roundingfn_2): Expand
495 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
496 (expand_builtin): Adjust likewise.
497 * genopinit.c (optabs[]): Add lround optab.
498 * optabs.c (init_optabs): Initialize lround_optab.
499 * optabs.h (enum convert_optab_index): Add COI_lround.
500 (lround_optab): Define.
501 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
502 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
504 (ix86_expand_lround): New function.
505 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
507 * doc/md.texi (lroundMN2): Document.
509 2006-10-28 Uros Bizjak <uros@kss-loka.si>
512 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
513 argument to HOST_WIDE_INT. Update function prototype.
514 (round_frame_size): Change return type to HOST_WIDE_INT. Change
515 "size" argument to HOST_WIDE_INT. Update function prototype.
517 2006-10-28 Uros Bizjak <uros@kss-loka.si>
519 * config/i386/i386.c (output_387_ffreep): Create output from a
520 template string for !HAVE_AS_IX86_FFREEP.
522 2006-10-27 Eric Christopher <echristo@apple.com>
524 * config/darwin.c: Fix formatting and grammar.
526 2006-10-27 Jan Hubicka <jh@suse.cz>
528 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
529 to be thrown away soon when IGNORE is set.
530 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
531 indicating when return value shall not be computed.
532 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
534 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
536 * config/i386/i386.h (TARGET_GEODE):
537 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
538 (TARGET_CPU_DEFAULT_geode): New macro.
539 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
540 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
541 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
542 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
543 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
545 (TARGET_CPU_DEFAULT_NAMES): Add geode.
546 (processor_type): Add PROCESSOR_GEODE.
548 * config/i386/i386.md: Include geode.md.
551 * config/i386/i386.c (geode_cost): New initialized global
553 (m_GEODE, m_K6_GEODE): New macros.
554 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
555 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
556 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
557 x86_schedule): Use m_K6_GEODE instead of m_K6.
558 (x86_movx, x86_cmove): Set up m_GEODE.
559 (x86_integer_DFmode_moves): Clear m_GEODE.
560 (processor_target_table): Add entry for geode.
561 (processor_alias_table): Ditto.
563 * config/i386/geode.md: New file.
565 * doc/invoke.texi: Add entry about geode processor.
567 2006-10-27 Mike Stump <mrs@apple.com>
569 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
570 __DYNAMIC__ from here back to ...
571 * config/darwin.h (CPP_SPEC): ... here.
573 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
574 Nathan Sidwell <nathan@codesourcery.com>
576 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
577 when choosing the minimum heapsize.
579 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
581 * gcc/unwind-dw2.h: Move cfa-related variables into
582 struct frame_state_reg_info to ensure that the CFA is properly
583 handled when executing DW_CFA_{remember,restore}_state.
584 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
585 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
586 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
587 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
588 gcc/config/rs6000/linux-unwind.h,
589 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
590 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
591 Modify to use new cfa_* fields.
593 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
595 * config/s390/s390.c (s390_init_frame_layout): Check positive
598 2006-10-26 Ben Elliston <bje@au.ibm.com>
600 * gimplify.c (get_name): Remove extraneous break.
601 (gimplify_omp_for): Initialise ret with GS_OK.
603 2006-10-25 Steve Ellcey <sje@cup.hp.com>
605 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
606 Add unix98.o to link line.
608 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
612 Calculate compile-time constants using MPFR.
613 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
614 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
616 2006-10-25 Bob Wilson <bob.wilson@acm.org>
618 * config/xtensa/lib2funcs.S: Use C-style comments.
620 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
622 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
623 (file_table_relative_p): Likewise.
624 (dwarf2out_finish): Likewise.
625 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
627 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
629 * tree-ssa-structalias.c (intra_create_variable_infos):
630 Don't recreate nonlocal_all if it already exists.
632 2006-10-25 Richard Guenther <rguenther@suse.de>
635 * optabs.h (enum optab_index): Remove OTI_lrint.
636 (enum convert_optab_index): Add COI_lrint.
637 (lrint_optab): Adjust.
638 (expand_sfix_optab): Declare.
639 * optabs.c (expand_sfix_optab): New function.
640 (init_optabs): Init lrint_optab as conversion optab.
641 * genopinit.c (lrint_optab): Change to a conversion optab.
642 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
643 expansion via conversion optab.
644 * config/i386/i386.md (*fistdi2_1): Remove
645 flag_unsafe_math_optimizations guard.
646 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
647 fist<mode>2_with_temp): Likewise.
648 (lrint<mode>2): Split into...
649 (lrintxf<mode>2): ... x87 part
650 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
651 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
652 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
653 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
654 * doc/md.texi (lrintMN2): Document.
656 2006-10-25 Uros Bizjak <uros@kss-loka.si>
659 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
660 Use inc and dec instructions for TARGET_USE_INCDEC.
661 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
662 ("sync_double_compare_and_swap<mode>"): Likewise.
663 ("*sync_double_compare_and_swapdi_pic"): Likewise.
664 ("*sync_compare_and_swap_cc<mode>"): Likewise.
665 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
666 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
667 ("sync_old_add<mode>"): Likewise.
668 ("sync_lock_test_and_set<mode>"): Likewise.
669 ("sync_lock_test_and_set<mode>"): Likewise.
670 ("sync_add<mode>"): Likewise.
671 ("sync_sub<mode>"): Likewise.
672 ("sync_ior<mode>"): Likewise.
673 ("sync_and<mode>"): Likewise.
674 ("sync_xor<mode>"): Likewise.
676 2006-10-25 Uros Bizjak <uros@kss-loka.si>
678 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
679 (remainder_optab): Define corresponding macro.
680 (drem_optab): Remove.
681 * optabs.c (init_optabs): Initialize remainder_optab. Remove
682 drem_optab initialization.
683 * genopinit.c (optabs): Implement remainder_optab using
684 remainder?f3 patterns. Remove drem_optab.
685 * builtins.c (expand_builtin_mathfn_2): Handle
686 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
687 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
688 expand_builtin_mathfn_2.
690 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
691 depend on flag_unsafe_math_optimizations.
693 * config/i386/i386.md ("remaindersf3", "remainderdf3")
694 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
695 Do not depend on flag_unsafe_math_optimizations. Use
696 truncxf?f expander instead of truncxf?f_i387_noop.
698 ("fpremxf4", "fprem1xf4"): Do not depend on
699 flag_unsafe_math_optimizations.
700 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
701 flag_unsafe_math_optimizations. Use truncxf?f expander
702 instead of truncxf?f_i387_noop.
704 * doc/md.texi (fmod, remainder): Document standard named pattern.
706 2006-10-24 Richard Sandiford <richard@codesourcery.com>
707 David Daney <ddaney@avtrex.com>
710 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
712 2006-10-25 Ben Elliston <bje@au.ibm.com>
714 * doc/extend.texi (Variable Attributes): Typo fix.
716 2006-10-24 Uros Bizjak <uros@kss-loka.si>
718 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
719 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
720 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
721 (FRAME_POINTER_REGNUM): Update register number to 21.
722 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
723 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
725 * config/i386/i386.c (regclass_map): Add fpcr entry.
726 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
728 (print_reg): Assert REGNO (x) != FPCR_REG.
730 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
731 (DIRFLAG_REG): Renumber.
732 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
733 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
734 (sse_prologue_save, *sse_prologue_save_insn): Renumber
735 hardcoded SSE register numbers.
737 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
738 hardcoded MMX register numbers.
740 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
743 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
744 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
746 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
747 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
748 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
749 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
751 2006-10-24 Richard Guenther <rguenther@suse.de>
754 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
755 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
756 for deciding optimizations in consistency with fold-const.c
757 (fold_builtin_unordered_cmp): Likewise.
759 2006-10-24 Richard Guenther <rguenther@suse.de>
761 * builtins.c (fold_builtin_floor): Fold floor (x) where
762 x is nonnegative to trunc (x).
763 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
764 nonnegative to FIX_TRUNC_EXPR.
766 2006-10-24 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/29567
769 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
770 for TRUTH_NOT_EXPR. Clarify comments.
772 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
776 at compile-time using MPFR. Change parameter VALUE to FUNC,
778 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
779 for overflow and underflow at all times and avoid folding in
782 2006-10-24 Ben Elliston <bje@au.ibm.com>
784 * reload1.c: Formatting fixes.
786 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
788 PR tree-optimization/14784
789 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
790 * tree-ssa-structalias.c (get_constraint_for,
791 intra_create_variable_infos): Set is_heapvar.
792 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
793 non-heapvar pointer variables specially.
795 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
798 * builtins.c (fold_builtin_sin, fold_builtin_cos,
799 fold_builtin_tan): Fold all constant arguments. Take a "type"
800 argument as necessary.
802 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
804 2006-10-23 Bob Wilson <bob.wilson@acm.org>
806 * config/xtensa/lib1funcs.asm: Use C-style comments.
808 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
810 * tree.c (local_define_builtin): Replace calls to
811 lang_hooks.builtin_function with add_builtin_function.
812 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
814 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
816 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
817 common code to add_builtin_function.
818 * langhooks.c (add_builtin_function): New function.
819 (lhd_builtin_function): New function.
820 * langhooks.h (struct lang_hooks): Change the signature of
822 (add_builtin_function): New function.
823 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
824 calls to lang_hooks.builtin_function with add_builtin_function.
825 * c-common.c (decl_builtin_1): Replace calls to
826 lang_hooks.builtin_function with add_builtin_function.
827 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
828 lang_hooks.builtin_function with add_builtin_function.
829 * config/frv/frv.c (def_builtin): Replace calls to
830 lang_hooks.builtin_function with add_builtin_function.
831 * config/s390/s390.c (s390_init_builtins): Replace calls to
832 lang_hooks.builtin_function with add_builtin_function.
833 * config/sparc/sparc.c (def_builtin): Replace calls to
834 lang_hooks.builtin_function with add_builtin_function.
835 * config/i386/i386.c (def_builtin): Replace calls to
836 lang_hooks.builtin_function with add_builtin_function.
837 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
838 lang_hooks.builtin_function with add_builtin_function.
839 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
840 lang_hooks.builtin_function with add_builtin_function.
841 * config/stormy16/stormy16.c (xstormy16_init_builtins):
842 Replace calls to lang_hooks.builtin_function with
843 add_builtin_function.
844 * config/iq2000/iq2000.c (def_builtin):
845 Replace calls to lang_hooks.builtin_function with
846 add_builtin_function.
847 * config/ia64/ia64.c (def_builtin): Replace calls to
848 lang_hooks.builtin_function with add_builtin_function.
849 * config/rs6000/rs6000.c (def_builtin): Replace calls to
850 lang_hooks.builtin_function with add_builtin_function.
851 (altivec_init_builtins): Replace calls to
852 lang_hooks.builtin_function with add_builtin_function.
853 * config/arm/arm.c (def_mbuiltin): Replace calls to
854 lang_hooks.builtin_function with add_builtin_function.
855 (arm_init_tls_builtins): Replace calls to
856 lang_hooks.builtin_function with add_builtin_function.
857 * config/mips/mips.c (mips_init_builtins): Replace calls to
858 lang_hooks.builtin_function with add_builtin_function.
859 * config/bfin/bfin.c (def_builtin): Replace calls to
860 lang_hooks.builtin_function with add_builtin_function.
861 * langhooks-def.h (lhd_builtin_function): New function.
862 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
864 2006-10-23 Jakub Jelinek <jakub@redhat.com>
866 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
867 BUILT_IN_STRNCAT_CHK.
869 2006-10-23 Jan Hubicka <jh@suse.cz>
871 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
872 don't do conversion from memmove to memcpy here.
873 (expand_builtin_bcopy, expand_builtin): Update call of
874 expand_builtin_memmove.
875 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
877 2006-10-23 Paul Brook <paul@codesourcery.com>
879 * stor-layout.c (start_record_layout): maximum_field_alignment
880 overrides STRUCTURE_SIZE_BOUNDARY.
882 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
884 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
885 nonlocal function symbols if flag_pic.
887 2006-10-23 Richard Guenther <rguenther@suse.de>
891 * builtins.c (fold_binary): Remove checks for flag_wrapv
892 and flag_trapv where negate_expr_p covers these cases.
894 2006-10-23 Richard Guenther <rguenther@suse.de>
897 * fold-const.c (fold_plusminus_mult_expr): Check exact power
898 of two on the absolute value.
899 (fold_binary): Fold x * -C to -x * C if x is easily negatable
900 and negating -C does not overflow.
902 2006-10-23 Richard Guenther <rguenther@suse.de>
905 * convert.c (convert_to_real): Fold (float)-x to -(float)x
906 only if not flag_rounding_math.
908 2006-10-22 Richard Sandiford <richard@codesourcery.com>
909 Kaz Kojima <kkojima@gcc.gnu.org>
912 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
913 SImode memory reference for the source of a movua.
914 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
915 (movua): Use an unspec instead of sign_extract. Expect the source
916 to have mode BLKmode.
917 (extv, insv): Use a BLKmode rather than SImode memory reference
918 for the source of a movua.
920 2006-10-22 Jeff Law <law@redhat.com>
921 Richard Guenther <rguenther@suse.de>
923 PR tree-optimization/15911
924 * tree-vrp.c (extract_code_and_val_from_cond): New function.
925 (register_edge_assert_for_1): Likewise.
926 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
927 (find_conditional_asserts): Adjust for new function signature.
928 (find_assert_locations): Likewise.
930 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
932 * config/i386/tmmintrin.h: Remove the duplicated content.
934 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
936 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
937 (x86_64-*-*): Likewise.
939 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
940 (override_options): Check SSSE3.
941 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
942 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
943 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
944 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
945 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
946 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
947 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
948 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
949 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
950 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
951 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
952 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
953 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
954 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
955 IX86_BUILTIN_PABSD128.
956 (bdesc_2arg): Add SSSE3.
957 (bdesc_1arg): Likewise.
958 (ix86_init_mmx_sse_builtins): Support SSSE3.
959 (ix86_expand_builtin): Likewise.
960 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
962 * config/i386/i386.md (UNSPEC_PSHUFB): New.
963 (UNSPEC_PSIGN): Likewise.
964 (UNSPEC_PALIGNR): Likewise.
965 Include mmx.md before sse.md.
967 * config/i386/i386.opt: Add -mssse3.
969 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
970 (ssse3_phaddwv4hi3): Likewise.
971 (ssse3_phadddv4si3): Likewise.
972 (ssse3_phadddv2si3): Likewise.
973 (ssse3_phaddswv8hi3): Likewise.
974 (ssse3_phaddswv4hi3): Likewise.
975 (ssse3_phsubwv8hi3): Likewise.
976 (ssse3_phsubwv4hi3): Likewise.
977 (ssse3_phsubdv4si3): Likewise.
978 (ssse3_phsubdv2si3): Likewise.
979 (ssse3_phsubswv8hi3): Likewise.
980 (ssse3_phsubswv4hi3): Likewise.
981 (ssse3_pmaddubswv8hi3): Likewise.
982 (ssse3_pmaddubswv4hi3): Likewise.
983 (ssse3_pmulhrswv8hi3): Likewise.
984 (ssse3_pmulhrswv4hi3): Likewise.
985 (ssse3_pshufbv16qi3): Likewise.
986 (ssse3_pshufbv8qi3): Likewise.
987 (ssse3_psign<mode>3): Likewise.
988 (ssse3_psign<mode>3): Likewise.
989 (ssse3_palignrti): Likewise.
990 (ssse3_palignrdi): Likewise.
991 (abs<mode>2): Likewise.
992 (abs<mode>2): Likewise.
994 * config/i386/tmmintrin.h: New file.
996 * doc/extend.texi: Document SSSE3 built-in functions.
998 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1000 2006-10-22 Ira Rosen <irar@il.ibm.com>
1002 * tree-vect-transform.c (vectorizable_load): Use the type of the
1003 return value of the mask_for_load builtin to create realign_load
1006 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1008 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1011 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1013 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1014 (UNSPEC_LDDQU): This.
1015 * config/i386/sse.md (sse3_lddqu): Updated.
1017 2006-10-21 Richard Guenther <rguenther@suse.de>
1019 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1020 (expand_builtin): Use it to expand lrint instead of
1021 expand_builtin_mathfn.
1023 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1026 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1027 flag_unsafe_math_optimizations is set.
1029 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1032 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1033 patterns to use memory input operand in x87->mem->XMM
1034 reload sequences. Skip transformation for TARGET_K8.
1036 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1038 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1039 force operand1 to register if both operands are memory operands.
1040 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1041 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1042 if both operands are memory operands.
1043 (truncdfsf2): Do not force operand1 to register if both operands
1044 are memory operands.
1046 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1048 * Makefile.in (LIBS): Add $(GMPLIBS).
1049 * doc/install.texi: Update GMP and MPFR requirements.
1050 * doc/sourcebuild.texi (need_gmp): Delete.
1052 2006-10-21 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/3511
1055 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1056 got new invariant arguments during PHI translation.
1058 2006-10-21 Richard Guenther <rguenther@suse.de>
1061 * fold-const.c (fold_comparison): Fold signed comparisons
1062 of the form X +- C1 CMP Y +- C2.
1064 2006-10-21 Richard Guenther <rguenther@suse.de>
1067 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1068 if flag_unsafe_math_optimizations is specified. We have
1069 flag_finite_math_only for that.
1070 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1071 or flag_unsafe_math_optimizations.
1073 2006-10-21 Richard Guenther <rguenther@suse.de>
1075 * builtins.c (fold_builtin_classify): Fix typo.
1077 2006-10-21 Richard Guenther <rguenther@suse.de>
1080 * simplify-rtx.c (simplify_const_relational_operation):
1081 Do not constant-fold ORDERED and UNORDERED for
1082 flag_unsafe_math_optimizations but only we do not need to
1083 honor NaNs for the given mode.
1085 2006-10-21 Richard Guenther <rguenther@suse.de>
1088 * config/i386/i386.c (classify_argument): Remove redundant
1089 walking of the BINFOs.
1090 (contains_128bit_aligned_vector_p): Likewise.
1092 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1094 * BASE-VER: Set to 4.3.0.
1096 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1098 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1099 (tree_decl_with_vis): Remove artificial_pta_var flag.
1100 * tree-flow.h (referenced_var_check_and_insert): Expose.
1101 (nonlocal_all): New prototype.
1102 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1103 (nonlocal_all): Make global.
1104 (nonlocal_lookup): Remove.
1105 (nonlocal_insert): Ditto.
1106 (create_nonlocal_var): Do not call nonlocal_insert.
1107 (get_nonlocal_id_for_type): Remove.
1108 (find_global_initializers): Mark new vars we find for renaming.
1109 (intra_create_variable_infos): Only create one nonlocal.
1110 (expand_nonlocal_solutions): Remove.
1111 (compute_points_to_sets): Don't call it.
1112 (ipa_pta_execute): Ditto.
1113 (init_alias_heapvars): Don't create nonlocal_for_type.
1114 (delete_alias_heapvars): Don't remove it.
1115 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1118 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1120 * doc/install.texi (Downloading GCC): Clarify mention of
1121 Fortran in the "full distribution" description.
1123 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1125 Fix PR tree-optimization/28778
1126 Fix PR tree-optimization/29156
1127 Fix PR tree-optimization/29415
1128 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1129 (tree_decl_with_vis): Add artificial_pta_var flag.
1130 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1131 pushed into callers.
1132 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1133 (nonlocal_all): Ditto.
1134 (struct variable_info): Add directly_dereferenced member.
1135 (var_escaped_vars): New variable.
1136 (escaped_vars_tree): Ditto.
1137 (escaped_vars_id): Ditto.
1138 (nonlocal_vars_id): Ditto.
1139 (new_var_info): Set directly_dereferenced.
1140 (graph_size): New variable
1141 (build_constraint_graph): Use graph_size.
1142 (solve_graph): Don't process constraints that cannot change the
1143 solution, don't try to propagate an empty solution to our
1145 (process_constraint): Set directly_dereferenced.
1146 (could_have_pointers): New function.
1147 (get_constraint_for_component_ref): Don't process STRING_CST.
1148 (nonlocal_lookup): New function.
1149 (nonlocal_insert): Ditto.
1150 (create_nonlocal_var): Ditto.
1151 (get_nonlocal_id_for_type): Ditto.
1152 (get_constraint_for): Allow results vector to be empty in the case
1153 of string constants.
1154 Handle results of calls properly.
1155 (update_alias_info): Update alias info stats on number and type of
1157 (find_func_aliases): Use could_have_pointers.
1158 (make_constraint_from_escaped): Renamed from
1159 make_constraint_to_anything, and changed to make constraints from
1161 (make_constraint_to_escaped): New function.
1162 (find_global_initializers): Ditto.
1163 (create_variable_info_for): Make constraint from escaped to any
1164 global variable, and from any global variable to the set of
1166 (intra_create_variable_infos): Deal with escaped instead of
1167 pointing to anything.
1168 (set_uids_in_ptset): Do type pruning on directly dereferenced
1170 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1171 (init_base_vars): Fix comment, and initialize escaped_vars.
1172 (need_to_solve): Removed.
1173 (find_escape_constraints): New function.
1174 (expand_nonlocal_solutions): Ditto.
1175 (compute_points_to_sets): Call find_escape_constraints and
1176 expand_nonlocal_solutions.
1177 (delete_points_to_sets): Don't fall off the end of the graph.
1178 (init_alias_heapvars): Initialize nonlocal_for_type and
1180 (delete_alias_heapvars): Free nonlocal_for_type and null out
1183 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1185 * fold-const.c (add_double): Rename to add_double_with_sign.
1186 Add 'unsigned_p' parameter and take it into account for the overflow.
1187 (mul_double): Rename to mul_double_with_sign.
1188 Add 'unsigned_p' parameter and take it into account for the overflow.
1189 (fold_div_compare): Call add_double_with_sign instead of add_double
1190 and mul_double_with_sign instead of mul_double, passing them the
1191 unsignedness of the type.
1192 * tree.h (add_double): Macroize.
1193 (add_double_with_sign): New prototype.
1194 (mul_double): Macroize.
1195 (mul_double_with_sign): New prototype.
1197 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1199 * config/score/crti.asm: New file.
1200 * config/score/crtn.asm: New file.
1201 * config/score/elf.h: New file.
1202 * config/score/mac.md: New file.
1203 * config/score/misc.md: New file.
1204 * config/score/mul-div.S: New file.
1205 * config/score/predicates.md: New file.
1206 * config/score/score7.md: New file.
1207 * config/score/score.c: New file.
1208 * config/score/score-conv.h: New file.
1209 * config/score/score.h: New file.
1210 * config/score/score.md: New file.
1211 * config/score/score-mdaux.c: New file.
1212 * config/score/score-mdaux.h: New file.
1213 * config/score/score-modes.def: New file.
1214 * config/score/score.opt: New file.
1215 * config/score/score-protos.h: New file.
1216 * config/score/score-version.h: New file.
1217 * config/score/t-score-elf: New file.
1218 * config.gcc: Add score*-*-* configurations(Update before).
1219 * doc/invoke.texi (Score Options): New section.
1220 * doc/md.texi (Score family): New section to document constraints.
1222 2006-10-19 Nick Clifton <nickc@redhat.com>
1224 * config/arm/arm.c: Fix spelling typo.
1226 2006-10-18 Tom Tromey <tromey@redhat.com>
1228 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1230 2006-10-18 Jan Hubicka <jh@suse.cz>
1233 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1236 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1238 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1239 TSI_SAME_STMT, since that's the desired entity.
1241 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1243 * config/s390/contraints.md: New file.
1244 * config/s390/s390-protos.h (s390_mem_constraint,
1245 s390_O_constraint_str, s390_N_constraint_str,
1246 s390_float_const_zero_p): Function prototypes added.
1247 * config/s390/s390.c (s390_extra_constraint_str,
1248 s390_const_double_ok_for_constraint_p,
1249 s390_const_ok_for_constraint_p): Functions removed.
1250 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1251 s390_float_const_zero_p): New functions.
1252 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1253 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1254 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1255 Macro definitions removed.
1256 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1257 s390_extra_constraint_str): Functions removed.
1259 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1260 Richard Sandiford <richard@codesourcery.com>
1263 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1264 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1266 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1268 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1269 (DWARF2_FRAME_REG_OUT): Likewise.
1270 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1271 (DWARF2_FRAME_REG_OUT): Likewise.
1273 2006-10-17 Paul Brook <paul@codesourcery.com>
1275 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1277 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1279 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1280 Standardize on "GNU Fortran" as the official name of the Fortran
1283 2006-10-16 Mike Stump <mrs@apple.com>
1285 * doc/invoke.texi (Darwin Options): Document -mkernel.
1286 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1288 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1289 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1290 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1291 (OS_MISSING_ALTIVEC): Add.
1292 * config/i386/i386.c (override_options): Add
1293 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1294 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1295 -mkernel, -static or -mdynamic-no-pic is given.
1296 (C_COMMON_OVERRIDE_OPTIONS): Add.
1297 * config/darwin.opt (fapple-kext): Add.
1299 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1300 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1302 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1303 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1304 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1305 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1306 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1307 (flag_mkernel): Add.
1308 (flag_apple_kext): Add.
1309 (TARGET_KEXTABI): Add.
1310 * config/darwin.c (darwin_handle_kext_attribute): Add.
1311 (DARWIN_VTABLE_P): Add.
1312 (darwin_binds_local_p): Add partial support for rebinding vtables
1314 (darwin_kextabi_p): Add.
1315 (darwin_override_options): Add.
1316 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1317 (darwin_kextabi_p): Add.
1318 (darwin_override_options): Add.
1319 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1320 __DYNAMIC__ and __STATIC__ here.
1322 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1324 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1325 Added mention of "make pdf" target, and Texinfo requirements for
1328 2006-10-16 DJ Delorie <dj@redhat.com>
1330 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1331 into the GOT in case we need a subreg of the address.
1333 2006-10-16 Richard Guenther <rguenther@suse.de>
1336 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1337 SSE builtin documentation. Document SSE2 builtins.
1339 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1341 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1342 symbol in the output file for non-shared links when -nostdlib or
1343 -nodefaultlibs isn't specified.
1345 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1346 posix thread support.
1348 2006-10-15 Jan Hubicka <jh@suse.cz>
1351 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1352 declared always_inline even when not inlining.
1354 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1355 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1356 Andrew Pinski <pinskia@gmail.com>
1359 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1361 2006-10-15 Jan Hubicka <jh@suse.cz>
1362 Richard Guenther <rguenther@suse.de>
1365 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1366 process_function_and_variable_attributes on all variables, including
1367 those discovered during cgraph construction phase.
1369 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1371 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1373 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1375 * config/i386/athlon.md (athlon_fist): Add fisttp.
1377 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1378 Ian Lance Taylor <ian@airs.com>
1381 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1382 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1385 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1387 * config/score/score.c, config/score/score.h: Fix comment
1390 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1393 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1396 2006-10-13 Eric Christopher <echristo@apple.com>
1398 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1400 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1403 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1404 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1405 alignment supported by 32-bit ELF.
1407 2006-10-13 Eric Christopher <echristo@apple.com>
1409 * config/darwin.c (darwin_emit_unwind_label): Strip
1410 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1412 2006-10-13 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/29446
1415 * tree-vrp.c (fix_equivalence_set): Remove.
1416 (extract_range_from_assert): Do not call fix_equivalence_set.
1417 (debug_value_range): Print a newline.
1418 (compare_name_with_value): For equivalence sets with
1419 inconsistent value ranges conservatively bail out.
1420 (compare_names): Likewise.
1422 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1424 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1425 and MPFR for gfortran.
1427 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1429 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1430 alignment supported by 32-bit ELF.
1432 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1436 * c-typeck.c (digest_init): Always allow initializing vectors
1437 that have static storage duration with compound literals.
1438 * tree.c (build_type_attribute_qual_variant): New, based on
1439 build_type_attribute_variant.
1440 (build_type_attribute_variant): Rewrite using the former.
1441 (make_vector_type): Use build_type_attribute_qual_variant to build
1442 type variants. Use type_hash_canon on the others.
1444 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1445 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1447 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1449 2006-10-12 Jan Hubicka <jh@suse.cz>
1452 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1453 current_function_decl is set but current_function_scope is not.
1455 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1457 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1458 emit_insn to emit eh_return_internal instruction.
1459 (eh_return_internal): Explicitly set pc.
1461 2006-10-11 Richard Guenther <rguenther@suse.de>
1463 PR tree-optimization/28230
1464 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1465 to the correct place.
1467 2006-10-11 Richard Guenther <rguenther@suse.de>
1470 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1473 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1475 * configure.ac: Added pdf to "Make-hooks"
1476 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1477 targets and *.pdf file patterns in cleanup targets.
1478 * configure: Regenerated.
1480 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1482 * config/avr/predicates.md: New file.
1483 * config/avr/avr.md: Include it.
1484 (REG_SP): New constant.
1485 (peepholes): Use predicates.
1486 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1487 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1488 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1490 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1492 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1495 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1498 * builtins.c (var_decl_component_p): New function.
1499 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1500 single entry optimization to variables and components thereof.
1502 2006-10-10 Richard Guenther <rguenther@suse.de>
1504 PR rtl-optimization/29323
1505 * except.c (set_nothrow_function_flags): For functions
1506 that do not bind local bail out early.
1508 2006-10-10 Ben Elliston <bje@au.ibm.com>
1510 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1513 2006-10-09 Richard Henderson <rth@redhat.com>
1515 Revert emutls patch.
1517 2006-10-09 Richard Guenther <rguenther@suse.de>
1520 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1523 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1526 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1527 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1528 * configure: Regenerate.
1529 * config.in: Regenerate.
1531 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1533 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1535 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1537 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1538 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1539 Remove stray newline.
1541 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1543 * config/mips/mips.c (mips_classify_symbol): Do not return
1544 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1545 (mips_in_small_data_p): Tweak comments.
1547 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1549 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1551 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1553 * gimplify.c, sched-int.h: Fix comment typos.
1555 * sched-int.h: Fix comment typos.
1557 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1559 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1561 * sched-ebb.c (begin_schedule_ready): Use them.
1562 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1563 add_to_speculative_block, create_check_block_twin, speculate_insn,
1564 fix_jump_move, move_block_after_check): Ditto.
1565 * sched-rgn.c (new_ready): Ditto.
1567 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1569 PR rtl-optimization/29128
1570 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1571 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1572 allow interblock movement of speculation checks.
1574 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1577 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1578 casted to integer type.
1579 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1580 if they are significantly more expensive than [reg + index] ones.
1582 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1584 PR tree-optimization/29330
1585 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1586 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1587 on newly allocated ddrs.
1588 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1589 to VEC (loop_p, heap) pointer.
1590 (compute_data_dependences_for_loop): Adjust caller.
1591 (free_dependence_relations): Free DDR_LOOP_NEST.
1593 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1594 free DEPENDENCE_RELATIONS and DATAREFS.
1597 * builtins.c (expand_builtin_sync_operation,
1598 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1599 Use convert_to_mode to handle promoted arguments.
1601 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1603 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1605 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1607 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1609 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1611 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1612 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1613 Use <modeconstraint> instead of "r" as operand 1 constraint.
1615 2006-10-06 Olivier Hainque <hainque@adacore.com>
1617 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1618 Don't recurse on the pointed-to type.
1619 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1620 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1621 types with components of variable size.
1623 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1625 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1627 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1629 PR tree-optimization/29290
1630 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1634 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1635 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1638 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1639 the number of vector elements fill the rest with zeros.
1641 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1643 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1644 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1647 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1649 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1650 unnamed pattern into subsi3. Use correct constraints/predicates.
1651 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1652 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1654 2006-10-05 Ira Rosen <irar@il.ibm.com>
1656 * doc/loop.texi: Add data references analysis description.
1658 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1660 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1662 2006-10-04 Richard Henderson <rth@redhat.com>
1663 Jakub Jelinek <jakub@redhat.com>
1665 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1666 * builtin-types.def (BT_WORD): Make unsigned.
1667 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1668 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1669 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1670 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1671 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1672 * cgraph.c (decide_is_variable_needed): Look at force_output.
1673 Recurse for emulated tls.
1674 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1675 checks redundant with decide_is_variable_needed.
1676 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1677 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1679 * expr.c (emutls_var_address): New.
1680 (expand_expr_real_1): Expand emulated tls.
1681 (expand_expr_addr_expr_1): Likewise.
1682 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1683 * output.h (emutls_finish): Declare.
1684 * toplev.c (compile_file): Call it.
1685 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1686 address before wrapping in CONST.
1687 * varasm.c (emutls_htab, emutls_object_type): New.
1688 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1689 (get_emutls_object_name, get_emutls_object_type): New.
1690 (get_emutls_init_templ_addr, emutls_decl): New.
1691 (emutls_common_1, emutls_finish): New.
1692 (assemble_variable): When emulating tls, swap decls; generate
1693 constructor for the emutls objects.
1694 (do_assemble_alias): When emulating tls, swap decl and target name.
1695 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1697 * emutls.c: New file.
1698 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1699 tls_object for real tls.
1701 2006-10-04 Zack Weinberg <zackw@panix.com>
1703 Fix bug in constraint-check generator, reported by Rask Ingemann
1705 * genpreds.c (add_constraint): Don't remove anything from the
1707 (write_tm_constrs_h): Detect whether "op" argument is used, and
1708 mark it ARG_UNUSED if it isn't.
1709 (write_insn_const_int_ok_for_constraint): Skip the part of the
1710 expression that would test whether "op" (which is not available
1711 here) is a CONST_INT.
1713 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1716 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1718 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1720 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1721 current Leopard versions.
1722 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1724 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1726 * doc/install.texi: Fix typos.
1728 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1730 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1731 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1732 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1734 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1736 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1737 arg to be struct mach_header_64* instead.
1739 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1742 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1743 side effects after the outer expression's post side effects.
1745 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1747 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1748 comments to reflect actual behavior and relationship between
1749 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1751 * doc/c-tree.texi (Working with declarations): Fix documentation
1752 of FIELD_DECL likewise.
1754 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1757 * doc/extend.texi: Add used variable attribute description.
1759 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1762 * c.opt (Woverride-init): New.
1763 * c-opts.c (c_common_post_options): Default warn_override_init to
1765 * c-typeck.c (add_pending_init, output_init_element): Warn for
1766 overriding initializers without side effects.
1767 * doc/invoke.texi (-Woverride-init): Document.
1770 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1772 PR rtl-optimization/28096
1773 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1774 assignment has already been used as a destination earlier in the block.
1776 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1778 * builtins.c (expand_builtin_setjmp): Delete.
1779 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1780 <BUILT_IN_SETJMP_SETUP>: New case.
1781 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1782 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1783 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1784 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1785 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1786 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1787 (lower_function_body): Initialize it to false. If it is set to true
1788 at the end of the processing, emit the setjmp dispatcher.
1789 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1790 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1791 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1792 on the rhs of the assignment.
1793 (lower_builtin_setjmp): New function.
1794 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1795 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1796 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1797 to detect calls that can go to non-local labels. Use specific
1798 helper to create the abnormal edges associated with them.
1799 <MODIFY_EXPR>: Likewise.
1800 (make_abnormal_goto_edges): New function extracted from...
1801 (make_goto_expr_edges): ...here. Call it for computed gotos.
1802 (simple_goto_p): Minor tweak.
1803 (tree_can_make_abnormal_goto): New predicate.
1804 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1805 (tree_purge_dead_abnormal_call_edges): New function.
1806 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1807 (tree_purge_dead_abnormal_call_edges): Likewise.
1808 (make_abnormal_goto_edges): Likewise.
1809 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1810 Purge all dead abnormal edges if the call was in the last statement.
1811 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1812 (execute_fixup_cfg): If there are non-local labels in the function,
1813 scan the basic blocks and split them at calls that can go to non-local
1814 labels or add missing abnormal call edges. Write down the CFG in the
1816 (pass_fixup_cfg): Remove TODO_dump_func flag.
1817 * unwind-sjlj.c: Poison setjmp.
1818 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1819 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1820 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1821 (DONT_USE_BUILTIN_SETJMP): Document it.
1823 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1826 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1827 to 1 when __ppc64__ is defined.
1828 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1830 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1832 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1834 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1835 * config/ia64/unwind-hpux.c: Delete.
1837 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1839 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1840 on the element before gimplifying it, instead of punting if it is of
1843 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1845 * doc/loop.texi: New file.
1846 * doc/gccint.texi: Reference loop.texi.
1847 * Makefile.in (loop.texi): Add.
1849 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1851 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1853 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1854 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1856 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1858 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1860 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1862 * doc/install.texi: Document required versions of GMP and MPFR.
1864 2006-09-27 Paul Brook <paul@codesourcery.com>
1867 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1869 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1871 * reload1.c (alter_reg): Require the alignment of the stack slot to
1872 be at least reg_max_ref_width bytes.
1873 (scan_paradoxical_subregs): Record the largest width in
1876 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1880 * tree-nested.c (struct nesting_info): Added static_chain_added.
1881 (convert_call_expr): Set static_chain_added when adding static
1882 chain. Handle OMP_PARALLEL and OMP_SECTION.
1884 2006-09-25 Matthias Klose <doko@debian.org>
1886 * doc/invoke.texi: Add missing full stop.
1888 2006-09-25 Richard Henderson <rth@redhat.com>
1890 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1891 before cgraph_function_flags_ready.
1893 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1894 Adam Nemet <anemet@caviumnetworks.com>
1896 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1897 determine_common_wider_type): New functions.
1898 (get_computation_aff): Use them to simplify arithmetic between
1899 UBASE and CBASE if they are shortened from the same type.
1901 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1904 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1905 -2147483647 - 1 instead of 0x80000000.
1907 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1909 * flags.h (HONOR_NANS): Fix typo in comment.
1911 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1913 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1915 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1919 * tree.c (merge_attributes, attribute_list_contained): If both
1920 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1922 * c-typeck.c (comptypes_internal): Don't consider aggregates
1923 in different TUs as compatible if there one set of attributes is
1924 not a subset of the other type's attributes.
1925 (composite_type): Try harder not to create a new aggregate type.
1927 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1929 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1930 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1931 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1932 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1933 than replicating condition above.
1934 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1936 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1937 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1938 the linker by default.
1940 2006-09-22 Mike Stump <mrs@apple.com>
1942 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1945 2006-09-22 Richard Guenther <rguenther@suse.de>
1948 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1949 sort of stack variables stable.
1951 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1954 * explow.c (force_reg): Set REG_POINTER flag according to
1957 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1959 PR tree-optimization/28888
1960 * tree-if-conv.c (combine_blocks): Rewritten.
1961 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1962 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1964 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1966 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1969 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1971 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1973 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1975 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1977 2006-09-21 Roger Sayle <roger@eyesopen.com>
1980 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1981 dw_fde_current_label, to be the start of the function, i.e. the same
1982 value as dw_fde_begin.
1984 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1986 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1987 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1988 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1989 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1990 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1991 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1992 (abs<mode>2, neg<mode>2): Likewise.
1993 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1994 (*mips_abs_ps): New define_insn.
1996 2006-09-20 Josh Conner <jconner@apple.com>
1999 * calls.c (expand_call): Allow reuse of structure return stack
2002 2006-09-20 Paul Brook <paul@codesourcery.com>
2004 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2007 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2009 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2010 clean up terminology.
2012 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2015 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2016 with tablejumps in them.
2018 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2021 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2022 wrap it into TARGET_EXPR.
2024 2006-09-20 Eric Christopher <echristo@apple.com>
2026 * config/i386/i386.c (x86_fisttp): Remove.
2027 * config/i386/i386.h (x86_fisttp): Ditto.
2028 (TARGET_FISTTP): Ditto.
2030 2006-09-19 Eric Christopher <echristo@apple.com>
2032 * doc/tm.texi (OBJC_JBLEN): Describe.
2033 * config/i386/darwin.h (OBJC_JBLEN): Define.
2034 * config/rs6000/darwin.h: Ditto.
2036 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2038 PR rtl-optimization/21299
2039 * reload1.c (reload): Purge invalid ASMs in the final pass.
2041 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2044 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2045 pointers as legitimate constants.
2047 2006-09-19 Paul Brook <paul@codesourcery.com>
2050 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2052 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2054 PR tree-optimization/28887
2055 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2056 component parts from the reference.
2057 (gather_memory_references_ref): Record the reference without the
2058 nonaddressable component parts.
2060 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2063 * c-opts.c (c_common_handle_option): Ignore the -std options
2064 if the input language is assembly.
2066 2006-09-17 Ira Rosen <irar@il.ibm.com>
2069 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2071 (ptr_ptr_may_alias_p): Likewise.
2072 (record_record_differ_p): New function.
2073 (base_object_differ_p): Call record_record_differ_p.
2075 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2078 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2079 away for the expr argument.
2081 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2084 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2085 before using it for dumping after vectorizing loops.
2087 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2088 Jack Howarth <howarth@bromo.med.uc.edu>
2091 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2092 skip on error_mark_node.
2093 (rs6000_darwin64_record_arg_recurse): Likewise.
2095 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2097 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2098 * doc/rtl.texi: Remove related documentation.
2100 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2102 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2105 2006-09-15 Jim Wilson <wilson@specifix.com>
2107 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2108 Handle symbol offsets same as they are handled in ia64_expand_move
2111 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2113 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2114 Add forgotten parameter to the fprintf call.
2116 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2118 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2120 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2122 * doc/contrib.texi: Add my entry.
2124 2006-09-15 Nick Clifton <nickc@redhat.com>
2126 * doc/md.texi (Processor pipeline description): Fix typo in
2127 example of how to use the absence_set directive and reword the
2128 description to make it slightly easier to read.
2130 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2132 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2133 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2134 expanding the number of iterations.
2135 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2137 * cfgrtl.c (emit_insn_at_entry): New function.
2138 * rtl.h (emit_insn_at_entry): Declare it.
2139 * integrate.c (emit_initial_value_sets): Use it.
2141 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2143 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2145 (struct loop_work and related VEC declarations): Delete.
2146 (bfin_dump_loops): Print out new member bad.
2147 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2148 (bfin_scan_loop): Don't recurse.
2149 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2150 loops. No longer need to update outer loops if the current one is
2151 found bad. Move some validitiy checks to bfin_discover_loop.
2152 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2153 but changed not to check for nesting. Also changed to use the new bad
2155 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2156 time. Use bitmap based test to discover loop nesting.
2158 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2160 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2163 2006-09-14 Richard Guenther <rguenther@suse.de>
2164 Kazu Hirata <kazu@codesourcery.com>
2166 PR middle-end/28884.
2167 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2168 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2169 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2170 with TARGET_FUNCTION_VALUE.
2172 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2175 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2177 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2179 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2182 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2185 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2188 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2190 * basic_block.h (bb_has_eh_pred): Fix comment.
2192 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2194 * flow.c (calculate_global_regs_live): Invalidate eh registers
2195 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2196 (propagate_block): Handle eh registers as if they were set at basic
2198 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2200 * global.c (global_conflicts): Make eh registers to conflict with
2201 pseudos live at basic block begin.
2202 * basic_block.h (bb_has_eh_pred): New function.
2204 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2206 PR rtl-optimization/28982
2207 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2208 index of a PRE_MODIFY or POST_MODIFY address.
2209 * reload1.c (inc_for_reload): Use find_replacement on the original
2210 base and index registers.
2212 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2214 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2215 for -Os. Update __m128 alignment requirement.
2217 2006-09-13 Jan Hubicka <jh@suse.cz>
2219 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2221 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2223 PR rtl-optimization/28243
2224 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2225 the insn to which the note was originally attached.
2227 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2228 Roger Sayle <roger@eyesopen.com>
2230 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2231 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2232 on platforms that don't use dwarf for debug info.
2234 2006-09-12 Jason Merrill <jason@redhat.com>
2237 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2238 hard_frame_pointer_rtx after using it to update the frame pointer.
2240 2006-09-12 Roger Sayle <roger@eyesopen.com>
2242 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2243 (TARGET_ASM_CLOSE_PAREN): Likewise.
2244 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2245 (TARGET_ASM_CLOSE_PAREN): Likewise.
2247 2006-09-12 Roger Sayle <roger@eyesopen.com>
2250 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2251 frame information for frames larger than 512 Kbytes on Tru64 when
2252 using the native assembler.
2254 2006-09-12 Roger Sayle <roger@eyesopen.com>
2258 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2259 and symbols. Instead use the implementation from cse.c's hash_rtx.
2261 2006-09-12 Jan Hubicka <jh@suse.cz>
2263 PR rtl-optimization/28071
2264 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2265 (vect_transform_loop): Likewise.
2266 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2267 (new_loop_vec_info): Likewise.
2268 (destroy_loop_vec_info): Likewise.
2269 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2270 (create_stmt_ann): Likewise.
2271 (create_tree_ann): Rename to ...
2272 (create_tree_common_ann): ... this one; allocate only the common part
2274 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2275 (get_value_handle): Likewise.
2276 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2277 get_tree_common_ann.
2278 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2279 (vinfo_for_stmt): Use stmt annotations.
2280 * tree-flow.h (tree_ann_common_t): New type.
2281 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2282 (tree_ann, get_tree_ann, create_tree_ann): New.
2283 * tree-flow-inline.h (get_function_ann): Do more type checking.
2284 (stmt_ann): Likewise.
2285 (tree_ann): Rename to ...
2286 (tree_common_ann): ... this one; return ony common_ann
2287 (get_tree_ann): Rename to ...
2288 (tree_common_ann): This one; return only common_ann.
2289 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2292 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2294 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2295 with_cpu by default.
2297 * dwarf2out.c (dwarf_file_data): New.
2298 (enum dw_val_class): Add dw_val_class_file.
2299 (struct dw_val_struct): Add val_file.
2300 (file_table): Change to a hash table.
2301 (file_table_emitted): Delete.
2302 (file_table_last_lookup_index): Delete.
2303 (emitcount): Delete.
2304 (last_emitted_file): New.
2305 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2306 (init_file_table): Delete.
2307 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2308 (AT_addr): Add comment.
2312 (print_die): Handle dw_val_class_file.
2313 (print_dwarf_line_table): Update for new file table structure.
2314 (attr_checksum): Do checksum a filename.
2315 (same_dw_val_p, same_attr_p): Do compare a filename.
2316 (size_of_die): Handle dw_val_class_file.
2317 (value_format): Likewise.
2318 (output_die): Likewise. Also, call maybe_emit_file here.
2319 (struct file_info): Constify filenames. Make file_idx a pointer
2320 to a struct dwarf_file_data.
2321 (struct dir_info): Constify directory names. Remove 'used' field.
2322 (struct file_name_acquire_data): New.
2323 (file_name_acquire): New.
2324 (output_file_names): Modify to handle new file data structures.
2325 (add_src_coords_attributes): Use add_AT_file.
2326 (add_call_src_coords_attributes): Likewise.
2327 (dwarf2out_imported_module_or_decl): Likewise.
2328 (gen_subprogram_die): Modify for new file data structures.
2329 (gen_variable_die): Likewise.
2330 (file_table_eq): New.
2331 (file_table_hash): New.
2332 (file_table_last_lookup): New.
2333 (lookup_filename): Rewrite to handle new file data structures.
2334 (maybe_emit_file): Rewrite to handle new file data structures.
2335 (dwarf2out_source_line): Always call lookup_filename and
2337 (dwarf2out_init): Create file_table here.
2338 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2339 (file_table_relative_p): New.
2340 (dwarf2out_finish): Change detection of relative filenames
2341 to work with new file data structures. Move output_line_info call
2342 after debug_info output.
2344 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2349 * config/i386/i386.c (override_options): Always default to 16
2350 byte stack boundary.
2352 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2355 * var-tracking.c (dump_dataflow_set): Start dumping at
2357 (clobber_variable_part): Kill only the variable part in
2358 registers holding it, leaving other variables alone.
2360 2006-09-11 Josh Triplett <josh@freedesktop.org>
2362 * doc/extend.texi (Other Builtins): Actually use the macro
2363 argument in the documentation example for
2364 __builtin_types_compatible_p.
2366 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2368 PR rtl-optimization/28726
2369 * sched-deps.c (sched_analyze_reg): New function extracted from...
2370 (sched_analyze_1): ...here. Call it to analyze references to
2371 registers. Treat again writes to a stack register as writing to the
2373 (sched_analyze_2): ...and here. Call it to analyze references to
2374 registers. Treat again reads of a stack register as reading the
2377 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2378 David Edelsohn <edelsohn@gnu.org>
2381 * config/rs6000/spe.md (frob_df_di): Remove %H.
2382 (frob_di_df): Remove %H. Change evmergelo to mr.
2383 (frob_di_df_2): Remove %H. Change evldd to two loads.
2385 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2387 * doc/cpp.texi: Fix names of charset options.
2389 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2392 * config/i386/i386.c (override_options): Use 128-bit
2393 stack boundary always for 64bits.
2395 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2397 PR rtl-optimization/28636
2398 * combine.c (force_to_mode): Test for side-effects before
2399 substituting by zero.
2400 (simplify_shift_const): Likewise for zero or other constants.
2402 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2405 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2408 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2411 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2412 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2413 returned by mode_for_size, rather than the mode of src itself,
2414 to choose between 32-bit and 64-bit patterns.
2415 (mips_mem_fits_mode_p): New function.
2416 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2417 that the size of the source matches the size of the destination.
2418 (mov_<store>l, mov_<store>r): Likewise.
2420 2006-09-10 Eric Christopher <echristo@apple.com>
2422 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2425 2006-09-09 Eric Christopher <echristo@apple.com>
2428 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2431 2006-09-09 Roger Sayle <roger@eyesopen.com>
2432 Nicolas Setton <setton@adacore.com>
2434 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2436 2006-09-10 Andreas Schwab <schwab@suse.de>
2438 * config/m68k/m68k.md (bungt_rev): New pattern.
2440 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2441 Dale Johannesen <dalej@apple.com>
2444 * regclass.c (struct reg_pref): Update documentation.
2445 (regclass): Set prefclass to NO_REGS if memory is the best option.
2446 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2448 2006-09-08 Eric Christopher <echristo@apple.com>
2450 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2451 * config/t-slibgcc-darwin: Support x86_64 multilib.
2452 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2453 Return 1 for x86_64-darwin.
2454 * config/i386/t-darwin: Add m64 multilib.
2455 (LIB2_SIDITI_CONV_FUNCS): Use.
2456 (LIB2FUNCS_EXTRA): Ditto.
2457 * config/i386/darwin.h: Support x86_64.
2458 * config/i386/i386.c (override_options): Turn on flag_pic
2459 for x86_64-darwin. Disable flag_omit_pointer.
2460 (get_pc_thunk_name): Assert !TARGET_64BIT.
2461 (legitimate_address_p): Disable machopic addressing for
2463 (legitimize_pic_address): Ditto.
2464 (ix86_expand_move): Ditto.
2465 (ix86_expand_call): Ditto.
2466 (machopic_output_stub): Ditto.
2467 * config/darwin.c (machopic_select_section): Support literal16.
2468 (machopic_select_rtx_section): Ditto.
2469 * config/darwin-sections.def: Ditto.
2470 * config/darwin-64.c: New.
2472 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2475 * c-tree.h (struct c_arg_info): Add pending_sizes.
2476 * c-parser.c (c_parser_parms_declarator,
2477 c_parser_parms_list_declarator): Initialize pending_sizes.
2478 * c-decl.c (get_parm_info): Initialize pending_sizes.
2479 (get_parm_info): Set pending_sizes.
2480 (grokdeclarator): Call put_pending_sizes for parameters for
2481 function definition only.
2483 2006-09-07 Jason Merrill <jason@redhat.com>
2486 * varasm.c (output_constant): Only strip actual no-op conversions.
2489 * config/i386/i386.c (override_options): Use 128-bit
2490 stack boundary if -msse.
2492 2006-09-07 Eric Christopher <echristo@apple.com>
2494 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2496 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2499 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2501 * dwarf2out.c: Remove strange characters from comment above
2502 dwarf2out_frame_debug_expr.
2504 2006-09-07 Eric Christopher <echristo@apple.com>
2506 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2507 * config/darwin.h: ... to here.
2509 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2511 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2513 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2514 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2516 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2517 TARGET_PARTIAL_FLAG_REG_STALL.
2518 (*ashldi3_cconly_rex64): Likewise.
2519 (*ashlsi3_cmp): Likewise.
2520 (*ashlsi3_cconly): Likewise.
2521 (*ashlsi3_cmp_zext): Likewise.
2522 (*ashlhi3_cmp): Likewise.
2523 (*ashlhi3_cconly): Likewise.
2524 (*ashlqi3_cmp): Likewise.
2525 (*ashlqi3_cconly): Likewise.
2526 (*ashrdi3_cmp_rex64): Likewise.
2527 (*ashrdi3_cconly_rex64): Likewise.
2528 (*ashrsi3_cmp): Likewise.
2529 (*ashrsi3_cconly): Likewise.
2530 (*ashrsi3_cmp_zext): Likewise.
2531 (*ashrhi3_cmp): Likewise.
2532 (*ashrhi3_cconly): Likewise.
2533 (*ashrqi3_cmp): Likewise.
2534 (*ashrqi3_cconly): Likewise.
2535 (*lshrdi3_cmp_rex64): Likewise.
2536 (*lshrdi3_cconly_rex64): Likewise.
2537 (*lshrsi3_cmp): Likewise.
2538 (*lshrsi3_cconly): Likewise.
2539 (*lshrsi3_cmp_zext): Likewise.
2540 (*lshrhi3_cmp): Likewise.
2541 (*lshrhi3_cconly): Likewise.
2542 (*lshrqi2_cmp): Likewise.
2543 (*lshrqi2_cconly): Likewise.
2545 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2548 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2549 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2550 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2551 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2552 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2553 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2554 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2555 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2556 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2557 implement only CC setting effects of shift instructions.
2559 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2561 * doc/contrib.texi: Add myself.
2563 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2566 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2567 was set by the user.
2569 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2572 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2573 (divsi_inv_m1): Use them.
2574 (UNSPEC_DIV_INV_TABLE): New constant.
2576 2006-09-06 James E Wilson <wilson@specifix.com>
2579 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2580 then call count_or_remove_death_notes.
2582 2006-09-06 Jason Merrill <jason@redhat.com>
2585 * tree-inline.c (copy_result_decl_to_var): New fn.
2586 (declare_return_variable): Use it. Call declare_inline_vars here.
2587 (expand_call_inline): Not here.
2589 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2591 * doc/contrib.texi: Update my entry.
2593 2006-09-06 Nick Clifton <nickc@redhat.com>
2595 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2597 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2600 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2601 (canonicalize_induction_variables): Likewise.
2602 (tree_unroll_loops_completely): Likewise.
2603 (tree_ssa_prefetch_arrays): Likewise.
2604 (remove_empty_loops): Likewise.
2605 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2606 TODO_cleanup_cfg instead of directly calling
2607 cleanup_tree_cfg_loop.
2608 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2610 (tree_unroll_loops_completely): Likewise.
2611 (remove_empty_loops): Likewise.
2612 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2613 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2614 of tree_ssa_unswitch_loops.
2615 (tree_ssa_loop_ivcanon): Use the return value of
2616 canonicalize_induction_variables.
2617 (tree_ssa_empty_loop): Use the return value of
2619 (tree_complete_unroll): Use the return value of
2620 tree_unroll_loops_completely.
2621 (tree_ssa_loop_prefetch): Use the return value of
2622 tree_ssa_prefetch_arrays.
2623 * passes.c (execute_todo): Before Cleanup CFG, set
2624 updating_used_alone and after cleanup CFG, call
2625 recalculate_used_alone.
2627 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2630 * tree-vect-transform.c (vectorizable_condition): Move the check
2631 for the type after the check for simple condition.
2633 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2634 Kaz Kojima <kkojima@gcc.gnu.org>
2637 * mode-switching.c (optimize_mode_switching): Make the destination
2638 block of an abnormal edge have no anticipatable mode. Don't
2639 insert mode switching code at the end of the source block of
2642 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2644 PR rtl-optimization/26847
2645 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2646 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2647 (simplify_plus_minus): Count n_constants while filling ops. Replace
2648 qsort with insertion sort. Before going through the array to simplify
2649 pairs, sort it. Delay early exit until after the first sort, exiting
2650 only if no swaps occurred. Simplify pairs in reversed order, without
2651 special-casing the first iteration. Pack ops after simplifying pairs.
2653 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2655 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2656 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2657 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2658 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2660 2006-09-05 Richard Guenther <rguenther@suse.de>
2662 PR tree-optimization/28900
2663 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2664 compound conditional before creating COND_EXPR condition.
2666 2006-09-05 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/28905
2669 * tree-vrp.c (fix_equivalence_set): Manually implement
2670 !value_ranges_intersect_p to also handle symbolic ranges.
2672 2006-09-05 Richard Guenther <rguenther@suse.de>
2675 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2678 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2680 PR rtl-optimization/27616
2681 * cse.c (table_size): New static variable.
2682 (new_basic_block): Initialize it to 0.
2683 (remove_from_table): Decrement it.
2684 (insert): Increment it.
2685 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2686 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2687 fold_rtx_mem_1 if under the cap.
2688 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2689 the lookup of the equivalent expression and test for equality of the
2690 first operand of the equivalent expression before in turn looking up
2691 an equivalent constant for the second operand.
2693 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2696 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2697 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2698 pointer, instead of assuming it is possible to derive the
2699 correct args size from a call insn.
2701 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2704 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2705 (fold_builtin_mempcpy): Rename to...
2706 (fold_builtin_memory_op): ... this. Optimize one element copy
2708 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2710 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2711 (expand_builtin_memcpy, expand_builtin_mempcpy,
2712 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2713 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2714 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2715 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2717 2006-09-01 DJ Delorie <dj@redhat.com>
2719 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2720 (stzx_16): Likewise.
2721 ("stzx_24_<mode>"): Likewise.
2722 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2723 ("cmp<mode>_op"): New.
2724 (cmp<mode>): Change to expander; just save operands.
2726 (b<code>): Change to expander, emit compare here.
2727 (s<code>_op): Change to use split and expander.
2728 (s<code>_24_op): Likewise.
2729 (s<code>_<mode>): New.
2730 (s<code>_<mode>_24): New.
2731 (movqicc_<code>_<mode): New.
2732 (movhicc_<code>_<mode>): New.
2735 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2736 (m32c_pend_compare): New.
2737 (m32c_unpend_compare): New.
2738 (m32c_expand_scc): New.
2739 (m32c_expand_movcc): Emit the compare also.
2740 * config/m32c/predicates.md (mra_nopp_operand): New.
2742 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2743 Richard Guenther <rguenther@suse.de>
2744 Adam Nemet <anemet@caviumnetworks.com>
2747 * builtins.c (get_pointer_alignment): Handle more forms
2748 of base addresses that can be used to derive more precise
2749 information about alignment.
2751 2006-09-01 Jason Merrill <jason@redhat.com>
2754 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2757 * gimplify.c (voidify_wrapper_expr): Handle null type.
2759 2006-09-01 Josh Conner <jconner@apple.com>
2762 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2763 (execute_return_slot_opt): Use it.
2765 2006-08-31 Josh Conner <jconner@apple.com>
2768 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2769 returning aggregates.
2771 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2773 PR tree-optimization/28839
2774 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2775 blocks in that phi arguments appear.
2777 2006-08-31 Roger Sayle <roger@eyesopen.com>
2780 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2781 NULL, otherwise use an advance_loc4 to adjust relative to the
2783 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2784 (dwarf2out_switch_text_section): Reset the current label to avoid
2785 using advance_loc4 over section boundaries.
2787 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2790 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2791 r12 + SYMBOLIC_CONST.
2793 2006-08-30 Richard Guenther <rguenther@suse.de>
2795 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2797 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2799 PR rtl-optimization/27735
2800 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2801 Add new argument to keep track of whether an irreducible region
2802 was affected. All callers changed.
2803 (fix_irreducible_loops): Removed.
2804 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2805 flags were invalidated.
2807 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2809 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2810 instead of SF operands.
2811 (*fop_df_comm_sse): Likewise.
2812 (*fop_df_comm_i387): Likewise.
2813 (*fop_df_1_mixed): Likewise.
2814 (*fop_df_1_sse): Likewise.
2816 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2817 J"orn Rennecke <joern.rennecke@st.com>
2819 PR tree-optimization/17506
2820 * tree-ssa.c (warn_uninit): If warning about a location outside of
2821 the current function, note where the variable was declared.
2823 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2825 PR tree-optimization/28411
2826 * double-int.c (double_int_div): Use double_int_divmod.
2827 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2828 double_int_mod, double_int_smod, double_int_umod): New functions.
2829 * double-int.h (double_int_divmod, double_int_sdivmod,
2830 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2832 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2834 (get_computation_aff, get_computation_cost_at): Handle double_int
2835 return type of constant_multiple_of.
2837 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2840 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2841 an implicit conversion.
2843 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2845 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2847 2006-08-27 Roger Sayle <roger@eyesopen.com>
2849 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2852 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2854 * config/i386/crtfastmath.c: Fix a comment typo.
2856 2006-08-26 Roger Sayle <roger@eyesopen.com>
2858 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2859 temporary visit flags on CASE_LABEL_EXPRs.
2860 * c-common.c (match_case_to_enum): Add function comment. Avoid
2861 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2862 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2863 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2864 a constant, only warn if that constant value isn't handled.
2866 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2869 * input.h (restore_input_file_stack): Declare.
2870 (INPUT_FILE_STACK_BITS): Define.
2871 * toplev.c (fs_p, input_file_stack_history,
2872 input_file_stack_restored, restore_input_file_stack): New.
2873 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2874 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2875 (pop_srcloc): Don't free old state of stack.
2877 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2880 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2881 (PowerPC Type Attributes): New.
2883 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2885 * config/xtensa/xtensa.c (function_arg_boundary): New.
2886 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2888 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2889 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2891 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2894 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2897 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2899 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2900 (verify_local_live_at_start): Likewise.
2902 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2905 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2906 omp_add_variable): Treat sizes as variable whenever not
2909 2006-08-26 Richard Guenther <rguenther@suse.de>
2912 * fold-const.c (fold_binary): Fold temporary to correct
2913 type before constructing new comparison.
2915 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2918 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2919 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2921 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2924 * c-decl.c (start_function): Don't try to process prototype
2925 information from old declaration that isn't a function.
2927 2006-08-25 Jan Hubicka <jh@suse.cz>
2930 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2932 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2935 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2938 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2940 PR tree-optimization/16876
2941 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2942 exit if PARM doesn't match VALUE.
2944 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2946 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2947 literal_prefix directive.
2948 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2949 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2950 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2952 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2955 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2956 predicate to general_operand. Add 0->y and I->r alternatives.
2958 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2960 * doc/tm.texi: Fix a typo.
2961 * predict.c: Fix comment typos.
2963 2006-08-25 Nick Clifton <nickc@redhat.com>
2965 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2966 assertions of "cpu" and "machine".
2968 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2971 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2972 the access through a base which has an alias set of 0 cannot
2975 2006-08-24 Bill Wendling <wendling@apple.com>
2977 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2979 2006-08-24 Jan Hubicka <jh@suse.cz>
2981 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2983 2006-08-24 Jan Hubicka <jh@suse.cz>
2986 * cgraph.c: Fix comments.
2987 (cgraph_varpool_mark_needed_node): Mark only variables not already
2989 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2990 (cgraph_varpool_assembled_nodes_queue): New static variable.
2991 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2992 (cgraph_varpool_output_debug_info): New function.
2993 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2994 * Makefile.in: Add gt-cgraphunit.h
2996 2006-08-24 Jan Hubicka <jh@suse.cz>
2998 * predict.c (probability_reliable_p): New predicate.
2999 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3000 (predict_loops): Do not predict loop exit with less than 2%
3002 * basic-block.h (edge_probability_reliable_p,
3003 br_prob_note_reliable_p): Declare.
3004 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3005 prediction when static predictor is not reliable.
3006 * rs6000.c (output_cbranch): Likewise.
3008 2006-08-23 Stuart Hastings <stuart@apple.com>
3011 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3012 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3014 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3017 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3018 complex values, nor for generic vector values.
3020 2006-08-22 Richard Guenther <rguenther@suse.de>
3023 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3024 parameter. Convert arguments to arithmetic expression to the
3026 (analyze_scalar_evolution_1): Adjust caller.
3028 2006-08-22 Jan Hubicka <jh@suse.cz>
3030 Patch by Paolo Bonzini
3031 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3034 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3036 PR tree-optimization/28003
3037 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3038 before grouping aliases.
3040 2006-08-22 Roger Sayle <roger@eyesopen.com>
3042 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3043 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3045 2006-08-21 Jason Merrill <jason@redhat.com>
3048 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3049 wrapper. Loop to handle nested wrappers.
3050 (gimplify_bind_expr): Remove temp parameter.
3051 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3052 and STATEMENT_LIST on the rhs.
3053 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3054 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3055 (gimplify_target_expr): Remove special BIND_EXPR handling.
3057 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3059 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3062 2006-08-21 Olivier Hainque <hainque@adacore.com>
3064 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3065 Arrange for the temporary captures of components overlapping the lhs
3066 to happen before the lhs is possibly cleared.
3068 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3070 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3071 necessary places to pass the correct "number of registers" values
3074 2006-08-20 Jan Hubicka <jh@suse.cz>
3076 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3077 (create_name_tags): Instead of quadratic checking use hashtable.
3078 * bitmap.h: Include hashtab.h.
3079 (bitmap_hash): Declare.
3080 * bitmap.c (bitmap_hash): New function.
3082 2006-08-20 Jan Hubicka <jh@suse.cz>
3084 PR rtl-optimization/28071
3085 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3087 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3088 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3089 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3090 cgraph_decide_inlining_incrementally): Update use of
3091 cgraph_check_inline_limits.
3092 * cgraph.c (edge_hash, edge_eq): New function.
3093 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3094 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3095 cgraph_remove_node): Maintain call site hash.
3096 * cgraph.h (struct cgraph_node): Add call_site_hash.
3097 (cgraph_set_call_stmt): New function.
3099 2006-08-20 Jan Hubicka <jh@suse.cz>
3101 PR rtl-optimization/28071
3102 * reload1.c (reg_has_output_reload): Turn into regset.
3103 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3104 choose_reload_regs, emit_reload_insns): Update to new
3105 reg_has_output_reload.
3107 2006-08-20 Jan Hubicka <jh@suse.cz>
3110 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3111 function body sizes.
3112 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3114 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3117 * tree.c (handle_dll_attribute): Return early if not a
3118 var or function decl.
3120 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3123 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3124 alignment of SPE vector types.
3126 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3128 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3130 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3133 * cgraph.h (struct cgraph_node): Remove externally_visible
3135 * cgraphunit.c (process_function_and_variable_attributes): Set
3136 local.externally_visible rather than externally_visible.
3139 * c-common.c (handle_externally_visible_attribute): First look
3140 at TREE_CODE and only if it is function or var decl, check for
3141 non-public objects. Don't warn for DECL_EXTERNAL.
3142 * cgraphunit.c (process_function_and_variable_attributes): Warn
3143 if externally_visible attribute is used on non-public object.
3145 2006-08-17 Jan Hubicka <jh@suse.cz>
3147 PR tree-optimization/27865
3148 * reload1.c (forget_marked_reloads): New function.
3149 (forget_old_reloads_1): When data are passed, just mark the registers
3151 (reload_as_needed): Use the new mechanizm.
3153 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3156 * reload.h (reg_equiv_alt_mem_list): New declaration.
3157 * reload1.c (reg_equiv_alt_mem_list): New definition.
3158 (reload): Initialize it and release it.
3159 (delete_output_reload): Use it.
3160 * reload.c (push_reg_equiv_alt_mem): New function.
3161 (find_reloads_toplev): Call it.
3162 (find_reloads_address, find_reloads_address_1): Likewise.
3163 (find_reloads_subreg_address): Likewise.
3165 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3167 PR rtl-optimization/28489
3168 * sched-ebb.c (begin_schedule_ready): Create basic block
3170 (advance_target_bb): Skip empty blocks.
3171 * haifa-sched.c (bb_note): Make global.
3172 * sched-int.h (bb_note): Add prototype.
3174 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3176 PR tree-optimization/27865
3177 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3179 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3180 fold_used_pointer, pointer_used_p): New functions.
3181 (analyze_scalar_evolution_1): Use fold_used_pointer.
3182 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3183 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3186 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3189 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3190 or the INTEGER_CST. Fail on a CALL_EXPR.
3191 (fold_offsetof): Pass new argument to fold_offsetof_1.
3192 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3193 operand into an INDIRECT_REF.
3194 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3196 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3198 PR gcov/profile/26570
3199 * value-prof.c (static_values): Removed.
3200 (tree_find_values_to_profile): Do not set static_values.
3201 (find_values_to_profile): Do not free static_values.
3202 * profile.c (instrument_values): Do not free the values.
3203 (branch_prob): Free the values.
3205 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3207 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3209 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3212 * c-typeck.c (build_component_ref): Combine qualifiers of
3213 structure or union and field.
3215 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3217 PR rtl-optimization/28071
3218 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3219 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3220 * tree-into-ssa.c (struct dom_dfsnum): New.
3221 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3223 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3224 compute_global_livein.
3225 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3226 in phi nodes in the correct blocks.
3228 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3230 PR tree-optimization/28364
3231 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3233 (fold_affine_expr): New function.
3234 (may_eliminate_iv): Use fold_affine_expr.
3236 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3239 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3242 2006-08-16 Mike Stump <mrs@apple.com>
3244 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3245 * doc/cppopts.texi (-MD): Likewise.
3247 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3250 * c-common.c (handle_weak_attribute): Ignore and warn if
3251 not a FUNCTION_ or VAR_DECL.
3253 2006-07-15 Mike Stump <mrs@apple.com>
3256 * c-parser.c (c_parser_typeof_specifier): Don't use
3257 c_finish_expr_stmt, open code desired semantics instead.
3259 2006-08-15 Nick Clifton <nickc@redhat.com>
3261 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3262 fragment to tmake_file only if threads are enabled.
3263 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3264 * config/i386/t-gthr-win32: New file. ... here.
3266 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3269 * c-parser.c (c_parser_compound_statement_nostart): Reset
3270 parser->error after each statement.
3272 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3275 * omp-low.c (lower_omp_parallel): Convert t to
3276 receiver_decl's type.
3277 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3278 source before comparison.
3281 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3282 to itype in assignment to oldival2.
3284 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3288 * c-typeck.c (build_compound_expr): If the second expression
3289 is an error mark, then just return an error mark instead of
3290 creating a COMPOUND_EXPR.
3292 2006-07-14 Mike Stump <mrs@apple.com>
3294 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3296 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3298 * c-decl.c, var-tracking.c: Fix comment typos.
3300 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3302 PR rtl-optimization/28634
3303 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3304 for floating-point modes unless flag_unsafe_math_optimizations.
3306 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3307 Andrew Pinski <pinskia@physics.uc.edu>
3310 * tree.c (build_array_type): Unify array types with
3311 unspecified index_type.
3312 * c-decl.c (grokdeclarator): Make sure we do not modify a
3313 unified incomplete array type.
3314 * c-typeck.c (store_init_value): Create distinct type before
3315 filling in the index type in an initializer from a compound
3318 * c-decl.c (grokdeclarator): Remove code where we copy the
3321 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3323 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3324 into account for TODO_dump_cgraph.
3325 (TODO_update_ssa_no_phi): Likewise.
3326 (TODO_update_ssa_full_phi): Likewise.
3327 (TODO_update_ssa_only_virtuals): Likewise.
3328 (TODO_remove_unused_locals): Likewise.
3329 (TODO_set_props): Likewise.
3330 (TODO_update_stmt_usage): Likewise.
3332 2006-08-13 Dirk Mueller <dmueller@suse.de>
3334 * c-common.c (strict_aliasing_warning): Fix formatting.
3336 2006-08-13 Matthias Klose <doko@debian.org>
3338 * doc/invoke.texi: Fix spelling errors.
3340 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3342 PR rtl-optimization/23454
3343 * reorg.c (relax_delay_slots): Update comment.
3345 2006-08-11 Richard Guenther <rguenther@suse.de>
3348 * simplify-rtx.c (simplify_const_relational_operation):
3349 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3352 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3354 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3355 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3357 2006-08-10 Paul Brook <paul@codesourcery.com>
3359 * final.c (final_scan_insn): Clear current_insn_predicate before
3360 outputting inline asm.
3362 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3364 PR tree-optimization/26197
3365 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3366 get_ref_base_and_extent and overlap_subvar to add only relevant
3367 subvars as may-aliases.
3368 (add_may_alias_for_new_tag): New function, factored out of
3370 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3371 with additional argument.
3372 * tree-flow.h (new_type_alias): Takes additional argument.
3374 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3376 * gcov.c (no_data_file): New flag.
3377 (read_count_file): Set it if data file not present. Assume counts
3379 (output_lines): Don't name the data file, if there wasn't one.
3381 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3383 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3384 (rs6000_generate_compare): Tweak comments.
3385 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3387 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3389 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3390 (var_debug_decl): New function.
3391 (var_reg_set): Follow debug decl link. Add location even if
3392 reg is already known to hold some other variable.
3393 (var_mem_set): Follow debug decl link.
3394 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3395 decl link. Delete other known locations of the variable part
3397 (var_reg_delete, var_mem_delete): Delete other known locations
3398 of the variable part if requested.
3399 (same_variable_part_p): New function.
3400 (add_stores): Select MO_COPY when appropriate.
3401 (vt_initialize): Handle it.
3402 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3403 known locations for MO_SET and MO_CLOBBER.
3404 (find_variable_location_part): New function.
3405 (set_variable_part, delete_variable_part): Use it.
3406 (clobber_variable_part): New function.
3407 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3410 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3412 PR tree-optimization/26969
3413 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3414 with an empty list of PHIs.
3416 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3420 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3423 2006-08-06 Andreas Schwab <schwab@suse.de>
3425 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3426 string. Whitespace and comment fixup.
3428 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3431 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3435 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3438 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3440 2006-08-04 Jan Hubicka <jh@suse.cz>
3444 * reload.c (push_reload): Patch out the mismatching instruction;
3446 (find_reload): Bail out if the instruction was patched out.
3448 2006-08-04 Jan Hubicka <jh@suse.cz>
3450 PR tree-optimization/24888
3451 * tree-inline.c (expand_call_inline): Do not re-record variables.
3452 (declare_inline_vars): Add variable to unexpanded_var_list.
3454 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3455 Roger Sayle <roger@eyesopen.com>
3457 PR rtl-optimization/26244
3458 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3459 inner_const are negative or greater than or equal to the bitsize of
3460 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3461 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3462 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3463 CONST0_RTX (mode) when the new shift count is greater than or equal to
3464 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3467 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3469 * tree-cfg.c: Fix a comment typo.
3471 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3474 * varasm.c (output_constant): Give the front end another chance to
3475 expand constants, after stripping NOPs.
3477 2006-08-03 Jan Hubicka <jh@suse.cz>
3479 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3482 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3484 PR tree-optimization/27770
3485 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3486 declaration removed (moved to tree-flow.h).
3487 (vect_can_force_dr_alignment_p): Likewise.
3488 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3489 (moved from tree-vectorizer.h).
3490 (vect_can_force_dr_alignment_p): Likewise.
3491 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3492 from outside the vectorizer - in particular from cgraph stage.
3493 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3494 the alignment of global arrays when -fsection-anchors is enabled.
3495 * cgraphunit.c (cgraph_increase_alignment): New function.
3496 (cgraph_optimize): Call cgraph_increase_alignment.
3498 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3501 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3502 not reload a SPE symbol_ref into a lo_sum address.
3504 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3507 * dwarf2out.c (prune_unused_types_prune): Move call to
3508 prune_unused_types_update_strings to cover the parent DIE also.
3510 2006-08-02 Jan Hubicka <jh@suse.cz>
3512 PR gcov/profile/28480
3513 * tree-cfg.c (change_bb_for_stmt): New function.
3514 (tree_merge_blocks, tree_split_blocks): Use it.
3516 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3522 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3523 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3524 (cgraph_optimize): Likewise.
3526 2006-08-01 Stuart Hastings <stuart@apple.com>
3528 * rtl.h (UINTVAL) New.
3529 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3530 * testsuite/gcc.dg/20060801-1.c: New.
3532 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3535 * c-typeck.c (build_external_type): Mark used enum types.
3536 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3538 (gen_subprogram_die): Whitespace fix.
3540 2006-08-01 Jan Hubicka <jh@suse.cz>
3542 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3543 bitmap when not needed.
3544 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3547 2006-08-01 Dirk Mueller <dmueller@suse.de>
3549 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3551 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3553 * Makefile.in: Revert part of previous patch:
3554 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3557 2006-07-30 Eric Christopher <echristo@apple.com>
3560 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3561 (PowerPC Variable Attributes): New section.
3563 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3565 PR target/28126 (partial fix)
3566 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3568 2006-07-28 Jan Hubicka <jh@suse.cz>
3570 PR rtl-optimization/28071
3571 * cfgrtl.c (rtl_delete_block): Free regsets.
3572 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3574 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3576 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3577 and variables used in dependencies.
3579 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3581 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3582 %fs for -mcmodel=kernel.
3583 (stack_tls_protect_test_di): Likewise.
3585 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3587 * Makefile.in: Use mkinstalldirs.
3589 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3592 * opts-common.c (prune_options): Skip joined switches.
3594 2006-07-27 Jan Hubicka <jh@suse.cz>
3596 PR rtl-optimization/28071
3597 * cselib.c (cselib_process_insn): Don't remove useless values too
3598 often for very large hashtables.
3600 2006-07-27 Jan Hubicka <jh@suse.cz>
3602 PR rtl-optimization/28071
3603 * global.c (greg_obstack): New obstack.
3604 (allocate_bb_info): Use it.
3605 (free_bb_info): Likewise.
3606 (modify_reg_pav): Likewise.
3608 2006-07-27 Roger Sayle <roger@eyesopen.com>
3610 * builtins.c (fold_fixed_mathfn): When long and long long are the
3611 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3612 functions to their lceil*, lfloor*, lround* and lrint* forms.
3614 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3617 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3619 (rev_branch_insn): Likewise.
3621 2006-07-27 Jan Hubicka <jh@suse.cz>
3623 PR rtl-optimization/28071
3624 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3625 (reg_set_in_bb, max_reg_computed): New static variables.
3626 (regmove_optimize): Free the new array.
3627 (fixup_match_1): Update call of reg_is_remote_constant_p.
3629 2006-07-26 Jan Hubicka <jh@suse.cz>
3631 PR tree-optimization/27882
3632 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3634 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3636 (cgraph_analyze_compilation_unit): Likewise.
3637 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3638 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3639 (cgraph_early_inlinine): Make order garbage collected.
3640 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3642 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3644 * dbxout.c (output_types_sort): Add a comment.
3645 (output_used_types): Free the VEC.
3647 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3649 * function.c (reorder_fix_fragments): Delete.
3650 (reorder_blocks): Don't call it.
3651 (reorder_blocks_1): Put all subblocks under the origin block.
3653 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3655 PR rtl-optimization/27907
3656 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3659 2006-07-25 Roger Sayle <roger@eyesopen.com>
3662 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3663 bar(x) check that bar's result type can represent all the values of T.
3665 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3667 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3669 2006-07-25 Nick Clifton <nickc@redhat.com>
3671 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3672 size_lookup[] array.
3673 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3674 (ggc_pch_count_object): Likewise.
3675 (ggc_pch_alloc_object): Likewise.
3676 (ggc_pch_write_object): Likewise.
3677 (init_ggc): Do not attempt to initialize entries in the
3678 size_lookup[] array for objects whose size is greater than than
3679 the length of the array.
3681 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3683 * dbxout.c (output_used_types_helper): Push queued types
3685 (output_types_sort): New.
3686 (output_used_types): Collect used types on a VEC and sort them
3689 2006-07-24 Richard Guenther <rguenther@suse.de>
3692 * cgraph.c (cgraph_remove_node): Do not check if dumps
3694 * cgraphunit.c (cgraph_optimize): Likewise.
3696 2006-07-24 Jan Hubicka <jh@suse.cz>
3698 PR rtl-optimization/28071
3699 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3700 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3701 splitting before first stmt.
3703 2006-07-24 Jan Hubicka <jh@suse.cz>
3705 PR rtl-optimization/28071
3706 * ipa-inline.c (update_caller_keys): Remove edges that
3707 are no longer inline candidates.
3709 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3712 * dbxout.c (output_used_types_helper, output_used_types): New.
3713 (dbxout_symbol): Call output_used_types.
3715 2006-07-23 Jan Hubicka <jh@suse.cz>
3719 * cgraph.c (cgraph_varpool_nodes): Export.
3720 (decide_is_variable_needed): Ignored "used" attribute in
3721 unit-at-a-time mode.
3722 * cgraph.h (cgraph_varpool_nodes): Declare.
3723 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3724 unit-at-a-time mode.
3726 2006-07-23 Roger Sayle <roger@eyesopen.com>
3729 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3730 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3731 the __gthrw form of thr_keycreate.
3732 (__gthread_key_delete): Silence the unused argument warning.
3734 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3737 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3738 Cache the last found '\0' marker to avoid quadratic behavior.
3740 2006-07-23 Jan Hubicka <jh@suse.cz>
3742 * i386.md (subsi_3_zext): Fix output template.
3744 2006-07-21 Mike Stump <mrs@apple.com>
3746 * doc/invoke.texi (C++ Dialect Options): Note that
3747 -fvisibility-inlines-hidden doesn't affect explicitly
3748 instantiationed inline methods.
3750 2006-07-20 Roger Sayle <roger@eyesopen.com>
3752 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3753 if the target assembler is GNU binutils' gas.
3754 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3755 whether to pass GNU gas or native as command line options.
3757 2006-07-20 Jason Merrill <jason@redhat.com>
3759 * tree.c (remove_attribute): New fn.
3760 * tree.h: Declare it.
3762 2006-07-20 Paul Brook <paul@codesourcery.com>
3765 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3766 they are invalidated by this instruction.
3768 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3771 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3773 2006-07-20 Eric Christopher <echristo@apple.com>
3776 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3778 2006-07-19 Eric Christopher <echristo@apple.com>
3780 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3781 Rewrite dependencies for libgcc_s.1.dylib.
3783 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3785 * except.c (duplicate_eh_regions_1): Clear next_peer.
3787 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3789 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3790 -mlongcall does not guarantee all calls will be long.
3791 * doc/extend.texi (long_call/short_call): Document that longcall
3792 does not guarantee a long call will be used.
3793 (longcall/shortcall): Likewise.
3795 2006-07-18 Roger Sayle <roger@eyesopen.com>
3798 * expmed.c (expand_shift): Additionally check that the shift_cost
3799 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3800 before implementing a LSHIFT_EXPR as a sequence of additions.
3801 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3802 middle-end that DImode shifts need to be synthesized by expand.
3804 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3807 * tree-ssa-operands.c (access_can_touch_variable): Update
3809 Return true if ALIAS is .GLOBAL_VAR.
3811 2006-07-18 David Daney <ddaney@avtrex.com>
3813 * gcc.c (display_help): Fix typo in help text.
3815 2006-07-18 Olivier Hainque <hainque@adacore.com>
3817 * tree.h (categorize_ctor_elements): Adjust prototype and add
3818 descriptive comment, both in accordance with the interface change
3820 * varasm.c (constructor_static_from_elts_p): New function.
3821 Whether a constructor node is a valid static constant initializer
3822 if all its elements are.
3823 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3824 * output.h: Declare it.
3825 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3826 is a valid constant initializer instead of computing the number of
3827 non-constant elements. Use constructor_static_from_elts_p for this
3828 purpose. Replace the head comment with an indication that this is a
3829 helper for categorize_ctor_elements.
3830 (categorize_ctor_elements): Same interface change as for the _1
3831 helper. Former head comment from this helper moved here, adjusted to
3832 account for the interface changes.
3833 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3834 (all_zeros_p): Likewise.
3835 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3836 static versions of the constructor from the categorize_ctor_elements
3837 return value instead of the formerly computed number of non-constant
3840 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3842 * configure: Regenerate.
3843 * Makefile.in (build_libsubdir): New configure substitution
3844 (build_libobjdir): New variable.
3845 (BUILD_LIBIBERTY): Use it.
3847 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3850 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3852 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3855 * c-common.c (handle_weakref_attribute): Ignore attribute in
3856 the same conditions the alias attribute is ignored.
3858 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3860 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3861 (dbxout_begin_prologue): Increment scope_labelno.
3863 2006-07-17 Richard Henderson <rth@redhat.com>
3866 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3869 2006-07-17 Roger Sayle <roger@eyesopen.com>
3870 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3872 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3873 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3874 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3875 functions such as sbrk, write, etc.. Add function prototypes.
3876 Convert function declarations from K&R to ISO C. Cast pointers
3877 to "long" and "unsigned long" instead of "int" and "unsigned int".
3878 Convert tokens following #endif into comments.
3880 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3882 * invoke.texi: Remove mention of f77; Reformat table for
3883 inline parameter options correctly; mention that -malign-double
3884 is default on x86-64 targets.
3886 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3888 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3889 (convert_affine_scev, chrec_convert_aggressive): Use
3890 avoid_arithmetics_in_type_p. Do not check for the subtypes
3893 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3896 * optabs.c (expand_doubleword_shift): Wrap the call to
3897 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3899 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3902 * optabs.c (expand_binop): Pass next_methods rather than methods
3903 to expand_doubleword_shift.
3905 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3908 * tree.h (dump_addr): Declare.
3909 * print-tree.c (dump_addr): New function.
3910 (print_node_brief, print_node): Use it.
3911 * print-rtl.c (print_rtx): Likewise.
3912 * common.opt (-fdump-noaddr): New option.
3913 * doc/invoke.texi (-fdump-noaddr): Document.
3914 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3915 (ve_info_hash): Likewise.
3917 2006-07-13 Andrew Haley <aph@redhat.com>
3919 PR tree-optimization/19505
3920 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3921 edge leaving this block, make sure that the destination of this
3922 block has only one predecessor.
3924 2006-07-17 Richard Guenther <rguenther@suse.de>
3926 PR tree-optimization/28238
3927 * tree-inline.c (copy_bb): Check if we produced valid
3928 gimple copying and substituting a stmt. If not, gimplify
3931 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3933 * optabs.c (maybe_encapsulate_block): New function extracted from...
3934 (emit_libcall_block): ...here. Invoke it on the block of insns to
3935 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3936 (emit_no_conflict_block): Likewise.
3938 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3940 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3942 2006-07-15 Roger Sayle <roger@eyesopen.com>
3944 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3945 a new NOP_EXPR case of the switch statement.
3947 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3950 * stor-layout.c (place_field): Take the bit field with
3951 an excessive size into account in the ms-bitfiled case.
3954 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3955 the previous bit field.
3957 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3960 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3962 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3964 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3965 signal frames correctly even when the signal was installed with
3968 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3970 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3971 (dbxout_function_end): Use local label LFBB. Remove hook
3973 (dbxout_source_line): Use local label LFBB.
3974 (dbxout_block): Likewise.
3975 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3976 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3977 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3978 and DBX_OUTPUT_NFUN.
3980 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3982 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3984 2006-07-13 Jan Hubicka <jh@suse.cz>
3986 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3988 * output.h (align_variable): Declare.
3989 * varasm.c (align_variable): Export.
3990 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3991 when basic block changed.
3993 2006-07-13 Nick Clifton <nickc@redhat.com>
3995 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3996 walking the LOG_LINKS chain.
3998 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4000 * doc/invoke.texi (C++ Dialect Options): Explain difference
4001 between -fvisibility-inlines-hidden and setting hidden
4002 visibility explicitly.
4004 2006-07-12 Eric Christopher <echristo@apple.com>
4006 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4007 (stmp-lipo): Depend on libgcc.a.
4009 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4011 * tree.c: Fix a comment typo.
4013 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4015 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4017 (umulhisi3_r): Likewise.
4019 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4022 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4023 x < 19, vs wchar_t support.
4025 2006-07-12 Nick Clifton <nickc@redhat.com>
4027 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4028 instead of -isa=sh4.
4030 2006-07-12 Mike Stump <mrs@apple.com>
4032 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4034 2006-07-10 Eric Christopher <echristo@apple.com>
4036 * config/t-slibgcc-darwin: Rewrite.
4038 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4041 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4044 2006-07-08 Matthias Klose <doko@debian.org>
4046 * doc/sourcebuild.texi: Fix typo.
4048 2006-07-07 Mike Stump <mrs@apple.com>
4050 * toplev.c (process_options): Don't give -ffunction-sections may
4051 affect debugging warning for Mach-O.
4053 2006-07-07 James E Wilson <wilson@specifix.com>
4055 * config/mips/mips.md (cpu): Add sb1a.
4056 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4057 addition to sb1. Adjust comments to clarify SB-1A differences from
4059 (ir_sb1a_load): New. Modify bypasses to use it.
4060 (ir_sb1a_simple_alu): Likewise.
4061 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4062 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4063 (mips_issue_rate): Add PROCESSOR_SB1A.
4064 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4065 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4066 (TARGET_SB1): Add PROCESSOR_SB1A check.
4067 (TUNE_SB1): Likewise.
4069 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4070 * config/mips/mips.c (mips_store_data_bypass_p): New.
4071 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4072 store_data_bypass_p.
4074 2006-07-08 Paul Brook <paul@codesourcery.com>
4077 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4079 2006-07-07 Richard Guenther <rguenther@suse.de>
4082 * tree.h (build_one_cst): Declare.
4083 * tree.c (build_one_cst): New function.
4084 * tree-ssa-math-opts.c (get_constant_one): Remove.
4085 (insert_reciprocals): Use build_one_cst.
4086 * fold-const.c (fold_plusminus_mult): Likewise.
4088 2006-07-07 Roger Sayle <roger@eyesopen.com>
4090 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4091 * cfgloopanal.c (dump_graph): Likewise.
4092 * dojump.c (discard_pending_stack_adjust): Likewise.
4093 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4095 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4096 * function.c (finalize_block_changes): Likewise.
4097 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4098 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4099 * rtl.c (dump_rtx_statistics): Likewise.
4100 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4102 * varray.c (dump_varray_statistics): Likewise.
4103 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4104 decode_decimal64, encode_decimal128, decode_decimal128,
4105 decimal_real_to_decimal): Likewise.
4107 2006-07-07 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/28187
4110 * tree-vrp.c (vrp_operand_equal_p): New function.
4111 (vrp_bitmap_equal_p): Likewise.
4112 (update_value_range): Use them to compare old and new
4115 2006-07-06 Roger Sayle <roger@eyesopen.com>
4117 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4118 a default case to switch statement to silence compiler warnings.
4120 2006-07-06 Roger Sayle <roger@eyesopen.com>
4123 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4124 the configured assembler supports the x87's ffreep mnemonic.
4125 * configure: Regenerate.
4126 * config.in: Regenerate.
4128 * config/i386/i386.c (output_387_ffreep): New function.
4129 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4130 (output_387_reg_move): Likewise.
4132 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4134 Port to hosts whose 'sort' and 'tail' implementations
4135 treat operands with leading '+' as file names, as POSIX
4136 has required since 2001. However, make sure the code still
4137 works on pre-POSIX hosts.
4138 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4139 which says you should use "tail -c +N" rather than "tail +Nc".
4140 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4142 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4144 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4147 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4150 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4151 PRE_{INC,DEC} of TFmode.
4153 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4154 Alan Modra <amodra@bigpond.net.au>
4157 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4160 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4163 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4164 Remove duplicate gtu.
4166 2006-07-05 Jason Merrill <jason@redhat.com>
4170 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4171 * c-common.c (handle_packed_attribute): So don't copy it here.
4172 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4174 2006-07-05 Mike Stump <mrs@apple.com>
4176 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4178 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4181 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4183 2006-07-05 Richard Guenther <rguenther@suse.de>
4186 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4187 TARGET_SSE2 targets if using SSE math.
4188 (*absdf2_1): Likewise.
4190 2006-07-05 Richard Guenther <rguenther@suse.de>
4192 PR tree-optimization/28162
4193 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4194 make sure to convert the operands to the correct type.
4196 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4198 PR tree-optimization/28218
4200 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4201 to calculate and free the dominator information.
4203 2006-07-04 Peter O'Gorman <peter@pogma.com>
4205 * mklibgcc.in: chmod 644 before ranlib during install.
4207 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4208 J"orn Rennecke <joern.rennecke@st.com>
4210 * configure.ac (.eh_frame data check): Use diff -b.
4212 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4215 * Makefile.in (BUILD_RTL): Add build/vec.o.
4216 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4217 (build/genextract): Delete.
4218 (build/genautomata): Likewise.
4220 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4223 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4224 128-bit IBM long doubles for ABI_V4.
4226 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4228 * tree.c (range_in_array_bounds_p): New predicate.
4229 * tree.h (range_in_array_bounds_p): Declare it.
4230 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4231 return a less conservative answer.
4232 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4233 and flag 'is_group'.
4234 (IS_ELEMENT_FOR_GROUP): New macro.
4235 (FOR_EACH_ACTUAL_CHILD): Likewise.
4236 (next_child_for_group): New helper function.
4237 (can_completely_scalarize_p): Take into account groups.
4238 (sra_hash_tree): Handle RANGE_EXPR.
4239 (sra_elt_eq): Likewise.
4240 (lookup_element): Be prepared for handling groups.
4241 (is_valid_const_index): Delete.
4242 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4243 instead of is_valid_const_index.
4244 <ARRAY_RANGE_REF>: New case.
4245 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4246 is_valid_const_index.
4247 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4248 (scan_dump): Dump info for groups too.
4249 (decide_instantiation_1): Likewise.
4250 (decide_block_copy): Assert that the element is not a group.
4251 Propagate decision to groups.
4252 (generate_one_element_ref): Handle RANGE_EXPR.
4253 (mark_no_warning): Iterate over actual childs.
4254 (generate_copy_inout): Likewise.
4255 (generate_element_copy): Likewise.
4256 (generate_element_zero): Likewise.
4257 (generate_element_init_1): Likewise.
4258 (dump_sra_elt_name): Handle RANGE_EXPR.
4260 2006-07-03 Roger Sayle <roger@eyesopen.com>
4262 PR tree-optimization/26251
4263 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4264 (thread_block): When optimizing for size refuse to thread jumps
4265 that would require duplication of blocks other than redirection
4268 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4270 * configure.ac: Fix thinko in previous check-in.
4271 * configure: Regenerate.
4273 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4276 * configure.ac (for lang...): Simplify nesting of conditionals.
4277 Test subdir_requires for non-enabled languages. Move processing
4278 of lang_opt_files and lang_tree_fiels below that test.
4279 * configure: Regenerate.
4280 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4282 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4284 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4286 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4288 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4291 2006-06-29 Jason Merrill <jason@redhat.com>
4298 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4299 * c-common.c (c_determine_visibility): Handle it here.
4300 * c-decl.c (finish_decl): Call c_determine_visibility for
4302 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4304 * varasm.c (default_assemble_visibility): Likewise.
4305 * c-common.c (handle_visibility_attribute): Complain about trying
4306 to give visibility to an already defined class, or trying to change
4307 declared visibility. Always attach the attribute.
4312 * attribs.c (decl_attributes): Ignore type-in-place attributes
4313 once the type has been defined.
4315 2006-06-29 Roger Sayle <roger@eyesopen.com>
4318 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4319 to indicate the cpplib has issued an error message for us.
4321 2006-06-29 Asher Langton <langton2@llnl.gov>
4324 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4325 insert a label at the end of an function under Mach-O.
4327 2006-06-29 Eric Christopher <echristo@apple.com>
4328 Evan Cheng <evan.cheng@apple.com>
4330 * predicates.md (vector_all_ones_operand): New.
4331 (nonimmediate_or_sse_const_operand): Ditto.
4332 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4333 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4334 (standard_sse_mode_p): Ditto.
4335 (standard_sse_constant_p): Add case for -1 vector.
4336 (ix86_expand_vector_move): Try to use.
4337 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4338 Call standard_sse_constant_opcode.
4339 (*movv4sf_internal): Ditto.
4340 (*movv2df_internal): Ditto.
4342 2006-06-29 Roger Sayle <roger@eyesopen.com>
4344 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4345 of XEXP to extract the operands of a MATCH_CODE rtx.
4347 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4349 * tree.c (tree_size): Do not waste tail padding in
4350 struct tree_string and make the size be the same as
4351 build_string will generate.
4353 2006-06-28 Jason Merrill <jason@redhat.com>
4356 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4357 may_aliases already in the tag's annotations to the bitmap.
4359 2006-06-28 Roger Sayle <roger@eyesopen.com>
4361 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4363 2006-06-28 Roger Sayle <roger@eyesopen.com>
4365 * genpreds.c (generate_switch_p): New function.
4366 (add_mode_tests): Push the new mode test down inside an AND expr
4367 if this allows the switch-suitable MATCH_CODE to be near the root.
4368 (write_match_code_switch): New function to write a MATCH_CODE as
4370 (write_predicate_stmts): New function to write a predicate RTX
4371 expression as a sequence of statements.
4372 (write_one_predicate_function): Use write_predicate_stmts.
4373 (write_tm_constrs_h): Likewise.
4375 2006-06-26 Fred Fish <fnf@specifix.com>
4377 * config/mips/t-sb1: New file.
4378 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4381 2006-06-26 DJ Delorie <dj@redhat.com>
4383 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4385 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4386 Jayant Sonar <jayants@kpitcummins.com>
4387 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4389 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4390 (subsi3, subsi3_1, subsi3_2): New.
4391 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4392 * config/m32c/mov.md (SI mov peephole): New.
4393 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4394 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4396 2006-06-26 Olivier Hainque <hainque@adacore.com>
4398 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4399 a CALL_EXPR target function declaration.
4401 2006-06-26 Richard Guenther <rguenther@suse.de>
4403 * tree.c (build_string): Do not waste tail padding in
4406 2006-06-26 Richard Guenther <rguenther@suse.de>
4408 * ggc-page.c (init_ggc): Add missing element to size_lookup
4412 2006-06-23 Richard Guenther <rguenther@suse.de>
4414 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4415 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4416 alignment requests instead. Add verification code.
4417 Add struct tree_function_decl and struct tree_binfo size to
4418 extra_order_size_table. Add missing element to size_lookup
4421 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4424 * fold-const.c (const_binop): Be prepared for self returning zero.
4425 Simplify code handling complex values.
4427 2006-06-24 Olivier Hainque <hainque@adacore.com>
4429 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4430 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4433 2006-06-24 Olivier Hainque <hainque@adacore.com>
4435 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4436 ARRAY_REF, so have the callback called for the low bound expression.
4438 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4440 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4441 * c-typeck.c (c_common_type): Disallow operations on decimal float
4442 types and other float types.
4443 * convert.c (convert_to_real): Don't ignore conversions involving
4444 decimal float types.
4446 2006-06-23 Olivier Hainque <hainque@adacore.com>
4448 * tree.c (max_int_size_in_bytes): New function, inspired from
4449 code in function.c:assign_temp.
4450 * tree.h (max_int_size_in_bytes): Declare.
4451 * function.c (assign_temp): Use it.
4452 * gimplify.c (create_tmp_var): Relax the assertions on the type
4453 properties, not mandating constant size any more.
4454 (force_constant_size): New static function.
4455 (gimple_add_tmp_var): Use it, forcing variable size to a
4456 constant upper bound if it is not constant on entry.
4458 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4461 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4462 for initialization and setting of one_only flag to ...
4463 (i386_pe_encode_section_info): ...here.
4464 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4465 Recheck that the symbol has not been defined.
4467 2006-06-23 Richard Guenther <rguenther@suse.de>
4469 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4470 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4471 alignment requests instead. Add verification code.
4472 Add struct tree_function_decl and struct tree_binfo size to
4473 extra_order_size_table. Add missing element to size_lookup
4476 2006-06-22 Roger Sayle <roger@eyesopen.com>
4477 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4480 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4481 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4483 2006-06-23 Ben Elliston <bje@au.ibm.com>
4485 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4486 negate dn -- manipulate it directly.
4488 2006-06-22 Roger Sayle <roger@eyesopen.com>
4489 Steven Bosscher <stevenb.gcc@gmail.com>
4492 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4493 generated by gen_move_insn to add REG_LABEL notes if necessary.
4495 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4497 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4498 (leaf_entry): Remove use of MIN_ESA.
4500 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4502 PR rtl-optimization/28121
4503 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4506 2006-06-21 DJ Delorie <dj@redhat.com>
4508 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4510 (mulhisi3_r): Likewise.
4512 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4515 * coverage.c (coverage_counter_alloc): Leave the index type
4517 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4520 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4522 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4523 section from the "Options for Code Generation Conventions".
4525 2006-06-21 Richard Henderson <rth@redhat.com>
4529 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4531 (global_symbolic_operand): Allow weak symbols, even if local_p.
4533 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4535 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4536 (find_interesting_uses_address): Punt if above function returns true.
4538 2006-06-21 Richard Guenther <rguenther@suse.de>
4540 * configure: Regenerated.
4542 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4544 * config/mips/mips.c (function_arg): Where one part of a
4545 complex argument is in registers and the other part in the stack,
4546 return a REG not a PARALLEL.
4548 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4550 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4551 when cross-compiling. Do not substitute libstdcxx_incdir.
4552 * configure: Regenerated.
4554 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4556 * varasm.c (mergeable_string_section): Check for embedded NULs and
4557 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4558 rather than TREE_STRING_LENGTH bytes.
4560 2006-06-21 Richard Guenther <rguenther@suse.de>
4562 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4563 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4566 2006-06-21 Richrad Guenther <rguenther@suse.de>
4568 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4569 Limit iteration over the dominators.
4571 2006-06-20 Roger Sayle <roger@eyesopen.com>
4573 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4574 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4576 2006-06-20 Richard Guenther <rguenther@suse.de>
4577 Michael Matz <matz@suse.de>
4579 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4581 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4582 * et-forest.h (et_free_pools): Prototype new function.
4583 * et-forest.c (et_free_tree_force): Free parent occurrence.
4584 (et_free_pools): New function.
4585 * dominance.c (free_dominance_info): Free et-forest alloc
4588 2006-06-20 Roger Sayle <roger@eyesopen.com>
4590 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4591 integer modes, attempt to directly construct an integer constant.
4593 * fold-const.c (native_encode_vector): Determine the size of each
4594 element from the vector type instead of the first vector element.
4596 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4597 if all of its elements/components are constant.
4598 (build_constructor_from_list): Likewise.
4600 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4602 PR tree-optimization/27331
4603 * tree-data-ref.c (free_data_ref): New function.
4604 (create_data_ref): Fail if the data reference has unknown access
4606 (free_data_refs): Use free_data_ref.
4608 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4611 * tree-inline.c (setup_one_parameter): Strip useless
4612 type conversion before adding it to the IR.
4613 (declare_return_variable): Likewise.
4615 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4618 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4620 2006-06-19 Mike Stump <mrs@apple.com>
4622 * tree.c (variably_modified_type_p): VM arguments don't make the
4625 2006-06-19 Richard Guenther <rguenther@suse.de>
4627 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4628 type conversions after folding.
4630 2006-06-19 Richard Guenther <rguenther@suse.de>
4632 * ggc-page.c (extra_order_size_tab): Add entries with
4633 size of struct function and basic_block.
4634 (size_lookup): Extend to cover sizes up to 511.
4635 (ggc_alloc_stat): Adjust user.
4636 (ggc_pch_count_object): Likewise.
4637 (ggc_pch_alloc_object): Likewise.
4638 (ggc_pch_write_object): Likewise.
4640 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4642 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4643 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4646 2006-06-19 Denis Chertykov <denisc@overta.ru>
4648 * config/avr/libgcc.S : Correct my wrong previous commit.
4650 2006-06-19 Roger Sayle <roger@eyesopen.com>
4653 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4654 have stripped a SUBREG from the shift count, so we may need to
4655 convert_to_mode back to the type's mode before calling make_tree.
4656 Use new_amount instead of amount to avoid expanding a tree twice.
4658 2006-06-19 Richard Guenther <rguenther@suse.de>
4661 * fold-const.c (operand_equal_p): Check if the argument types
4662 have the same precision before stripping NOPs.
4664 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4666 Fix PR tree-optimization/27341
4667 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4669 * tree-complex.c (pass_lower_complex): Update SMT usage.
4671 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4673 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4674 Add a new alternative to the constraint strings. Add move of
4675 operand 1 to 3 to the splitter definition.
4676 ("doloop_si_long"): Second contraint alternative removed.
4678 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4680 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4681 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4683 (AVR_HAVE_MOVW) Define.
4684 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4685 (ASM_SPEC): Add avr25.
4686 (LINK_SPEC): Add avr25.
4687 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4688 (base_arch_s): Add new member 'have_movw_lpmx'.
4689 (avr_arch_types): Init 'have_movw_lpmx'.
4690 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4691 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4692 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4693 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4694 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4696 (avr_file_start): Do not output '.arh' derective.
4697 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4698 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4699 * config/avr/avr.md (mcu_enhanced): Delete.
4700 (mcu_have_movw): Define.
4701 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4702 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4703 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4704 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4705 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4706 attiny861 and at86rf401 devices.
4708 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4710 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4713 2006-06-17 Karl Berry <karl@gnu.org>
4715 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4716 doc/gccint.texi, doc/install.texi (@dircategory): Use
4717 "Software development" instead of "Programming", following
4718 the Free Software Directory.
4720 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4722 * config/i386/i386.c (legitimate_tls_address)
4723 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4724 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4725 (*tls_dynamic_gnu2_combine_64): Likewise.
4727 2006-06-16 Richard Guenther <rguenther@suse.de>
4730 * fold-const.c (negate_expr_p): Do not introduce undefined
4731 overflow in negating INTEGER_CSTs.
4732 (fold_negate_expr): Rename from negate_expr. Revert last
4733 change for folding BIT_NOT_EXPR. Change semantics to
4734 return NULL_TREE for non-simplified negations. Do not
4735 strip type conversions and unify type handling.
4736 (negate_expr): New function, wrap around fold_negate_expr
4737 but ensure building a tree always. Strip type conversions
4738 here, fold to result type.
4739 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4741 2006-06-16 Roger Sayle <roger@eyesopen.com>
4744 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4745 that (would) return their results in stack registers.
4747 2006-06-16 Michael Matz <matz@suse.de>
4748 Richard Guenther <rguenther@suse.de>
4750 * fold-const.c (fold_truthop): Only return new tree node if
4751 we canonicalized something.
4753 2006-06-16 Richard Guenther <rguenther@suse.de>
4755 * function.h (enum function_frequency): Move declaration
4756 out of struct function.
4757 (struct function): Move bool fields and the enum to the bitfield
4758 section. Reorder elements to avoid padding. Remove unused
4759 fields left over from the RTL inliner removal.
4760 * function.c (free_after_compilation): Do not zero removed fields.
4761 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4762 (ipa-type-escape.o): Likewise.
4764 2006-06-16 Richard Guenther <rguenther@suse.de>
4766 * cgraph.h (struct cgraph_local_info): Turn bool elements
4768 (struct cgraph_node): Likewise.
4769 (struct cgraph_varpool_node): Likewise.
4771 2006-06-15 Richard Guenther <rguenther@suse.de>
4773 * fold-const.c (fold_truth_not_expr): Rename from
4774 invert_truthvalue. Give it fold_* semantics to avoid
4776 (invert_truthvalue): New function. Wrapper around
4777 fold_truth_not_expr.
4778 (optimize_minmax_comparison): Avoid creating garbage.
4779 (fold_unary): Use fold_truth_not_expr for folding
4781 (fold_ternary): Replace uses of invert_truthvalue with
4782 fold_truth_not_expr where applicable.
4783 * tree.h (fold_truth_not_expr): Prototype.
4785 2006-06-16 Richard Guenther <rguenther@suse.de>
4787 PR tree-optimization/27781
4788 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4789 * ipa-pure-const.c (target.h): Include.
4790 (analyze_function): Do not analyze functions that do not
4793 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4796 * tree-dfa.c (referenced_vars_dup_list): Remove.
4797 (find_referenced_vars): Remove assert.
4798 (referenced_var_check_and_insert): Replace dup list with assert.
4799 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4800 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4802 2006-06-15 Richard Guenther <rguenther@suse.de>
4804 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4805 extra unused identifiers if not dumping.
4806 (create_variable_info_for): Likewise.
4808 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4810 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4811 (derive_constant_upper_bound): Derive more precise upper bound in
4812 common cases. Return type changed to double_int.
4813 (record_estimate): Reflect the changed return type of
4814 derive_constant_upper_bound.
4815 * double-int.c (double_int_zext, double_int_sext): Fix.
4817 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4819 * configure.ac (CFLAGS): Get them from the toplevel or from the
4820 configure invocation.
4821 * configure: Regenerate.
4822 * Makefile.in (CFLAGS): Substitute value provided by configure.
4824 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4827 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4828 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4829 rather than calling add_stmt on it.
4830 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4832 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4835 * reload1.c (reload): Remove registers returned by update_eliminables
4836 from used_spill_regs.
4838 2006-06-13 DJ Delorie <dj@redhat.com>
4840 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4842 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4844 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4845 html__strip_dir, html__mkdir_p. Enhance install-html target.
4846 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4847 * configure: Regenerate.
4849 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4851 * fold-const.c (fold_cond_expr_with_comparison): Check for
4852 Objective-C++ as language in deciding COND_EXPR transformation.
4854 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4857 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4858 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4859 * config/sh/lib1funcs.h (SL, SL1): Define.
4860 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4861 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4862 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4863 (OBJS_Os_4_200): New variable.
4864 ($(T)libgcc-Os-4-200.a): Use it.
4865 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4866 when dividing 1 and/or by 0.
4868 2006-06-13 Roger Sayle <roger@eyesopen.com>
4870 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4871 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4872 * configure: Regenerate.
4874 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4876 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4877 for real instruction.
4879 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4882 * haifa-sched.c (check_cfg): Handle special case.
4884 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4887 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4888 Add debug_info parameter. Chain the vars to the BLOCK instead
4889 of the BIND_EXPR if debug info are requested for them.
4890 (pop_gimplify_context): Adjust for above change.
4891 (gimple_add_tmp_var): Likewise.
4892 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4894 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4895 (convert_local_reference): Likewise.
4896 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4897 (finalize_nesting_tree_1): Request that debug info be emitted
4898 for debug_var_chain.
4900 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4902 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4903 for PR target/27863.
4905 2006-06-13 Richard Guenther <rguenther@suse.de>
4908 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4910 2006-06-13 Richard Guenther <rguenther@suse.de>
4912 PR tree-optimization/27830
4913 * tree-inline.c (copy_body_r): For copying the operand
4914 of an ADDR_EXPR make sure to fold &* afterwards.
4916 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4918 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4919 lvalues in the fb_none case with side-effects.
4921 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4923 * tree-flow.h: Remove the prototype for
4924 compute_phi_arg_on_exit.
4925 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4926 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4929 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4931 * builtins.c (expand_builtin_return_addr): Only use
4932 frame_pointer_rtx when count == 0 and we are expanding
4933 __builtin_return_address.
4935 2006-06-12 Fred Fish <fnf@specifix.com>
4937 * config/mips/mips.c (mips_file_start): Create special section
4938 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4940 2006-06-11 Eric Christopher <echristo@apple.com>
4943 * stor-layout.c (place_field): Remove check for
4944 remaining_in_alignment when aligning at the end of a run.
4946 2006-06-11 Eric Christopher <echristo@apple.com>
4949 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4952 2006-06-11 Roger Sayle <roger@eyesopen.com>
4955 Revert incorrect fix for PR target/27158
4956 2006-05-08 Roger Sayle <roger@eyesopen.com>
4957 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4958 of a reg_equiv_constant if the result is a legitimate constant.
4960 2006-06-11 Roger Sayle <roger@eyesopen.com>
4963 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4964 extract a CONST_VECTOR element and interpret it as an integer.
4965 (vspltis_constant): Use const_vector_elt_as_int instead of the
4966 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4967 * config/rs6000/predicates.md (easy_vector_const): Consider
4968 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4970 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4973 * stor-layout.c (update_alignment_for_field): Don't add extra
4974 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4977 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4979 * config/mips/t-rtems: Add EL/EB multilib variants.
4981 2006-06-09 Mike Stump <mrs@apple.com>
4983 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4985 2006-06-09 David Daney <ddaney@avtrex.com>
4987 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4989 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4991 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4993 2006-06-09 Richard Guenther <rguenther@suse.de>
4995 PR tree-optimization/26998
4996 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4997 of signed types, only TYPE_MIN_VALUE is special, but for both,
4998 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4999 in this case, as is -fwrapv.
5001 2006-06-08 Mike Stump <mrs@apple.com>
5004 * config/darwin.c (darwin_asm_output_anchor): Disable
5005 -fsection-anchors on darwin for now.
5006 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5007 * rs6000/rs6000.c (optimization_options): Likewise.
5009 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5012 * config/i386/i386.c (classify_argument): Skip fields with invalid
5015 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5017 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5018 (cse_insn): Likewise for the stack_pointer_rtx.
5020 2006-06-08 Roger Sayle <roger@eyesopen.com>
5022 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5023 conditions from floating point comparisons.
5025 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5028 * expmed.c (struct alg_hash_entry): Fix type of field T
5029 to match synth_mult argument.
5030 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5032 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5035 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5038 2006-06-08 Richard Guenther <rguenther@suse.de>
5041 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5042 only, if overflow is defined and not trapping.
5043 (negate_expr): Likewise.
5045 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5047 PR tree-optimization/27872
5048 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5049 flag on the new exit edge of the unrolled loop.
5051 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5053 PR rtl-optimization/26449
5054 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5056 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5059 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5060 referenced_variables with matching DECL_UID's.
5061 (find_referenced_vars): Make sure duplicate list is empty to start.
5062 (referenced_var_p): Remove.
5063 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5064 Check if var is in the list, and add if needed. Update the duplicate
5065 list if a different var is in the list with the same DECL_UID.
5066 (add_referenced_var): Call routine to check and insert.
5067 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5068 * tree-flow.h (referenced_vars_dup_list): External declaration.
5070 2006-06-07 Fred Fish <fnf@specifix.com>
5072 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5075 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5078 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5079 the imaginary and real parts of a clobbered register.
5080 Emit insn to set the imaginary part.
5082 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5084 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5085 in lieu of unwind-dw2-fde.c.
5087 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5089 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5091 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5094 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5095 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5096 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5097 V4SImode temporaries and operations instead.
5099 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5101 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5104 2006-06-06 Mike Stump <mrs@apple.com>
5106 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5107 installing during build.
5109 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5111 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5113 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5114 * config/ia64/ia64.c (params.h): New header.
5115 (ia64_optimization_options): New function to adjust parameters.
5116 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5117 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5118 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5120 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5122 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5124 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5127 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5129 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5130 Victor Kaplansky <victork@il.ibm.com>
5132 PR tree-optimization/26360
5133 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5136 2006-06-04 Roger Sayle <roger@eyesopen.com>
5137 Andrew Pinski <pinskia@physics.uc.edu>
5140 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5141 for LABEL_DECL before calling DECL_WEAK.
5144 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5145 LABEL_DECL and PARM_DECL.
5147 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5151 * c-decl.c (grokdeclarator): Disallow variably modified types at
5152 file scope. Avoid marking shared array type of constant size as
5155 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5158 * c-common.c (fold_offsetof_1): Handle static members.
5160 2006-06-04 Eric Christopher <echristo@apple.com>
5162 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5163 (debug_rli): Output value for remaining_in_alignment.
5164 (update_alignment_for_field): Unconditionalize
5165 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5166 extra alignment code.
5167 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5168 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5169 * tree.h (record_layout_info_s): Remove prev_packed.
5170 * doc/extend.texi (ms_struct): Add documentation of format.
5172 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5174 * tree.h: Declare folding_initializer.
5175 * builtins.c (fold_builtin_constant_p): Give definite answer
5176 if folding inside an initializer.
5177 * fold-const.c: Define folding_initializer.
5178 (START_FOLD_INIT): Save and then set folding_initializer.
5179 (END_FOLD_INIT): Restore folding_initializer.
5181 2006-06-04 Richard Guenther <rguenther@suse.de>
5183 PR tree-optimization/27039
5184 * fold-const.c (fold_comparison): Handle pointer comparison
5185 again for all comparison codes. Compare offsets in signed
5187 (fold_binary): Move code from here.
5189 2006-06-03 Roger Sayle <roger@eyesopen.com>
5192 * config/i386/i386.c (construct_container): Split static issued_error
5193 flag into issued_sse_arg_error, issued_sse_ret_error and
5194 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5195 requires the use of x87 registers and the user explicitly
5196 specified the -mno-80387 command line option.
5198 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5200 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5201 HAVE_DECL_SIGALTSTACK.
5203 (segv_handler): Use MC_FLD.
5204 * configure.ac: Check for a sigaltstack declaration.
5205 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5206 * configure: Regenerate.
5207 * config.in: Regenerate.
5209 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5212 * Makefile.in (stmp-fixinc): Fix typo.
5214 2006-06-02 Roger Sayle <roger@eyesopen.com>
5216 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5217 are type correct. Clean-up.
5218 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5219 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5221 2006-06-01 DJ Delorie <dj@redhat.com>
5223 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5224 shift, as we've disabled the "switch" insn that needs it.
5226 2006-06-01 Per Bothner <bothner@bothner.com>
5228 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5229 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5230 * c-ppoutput.c (cb_define): Don't increment line 0.
5232 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5234 * doc/invoke.texi: Add cpu_type power6.
5235 * config.gcc: Add cpu_type power6.
5236 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5237 to power5+ with Altivec.
5238 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5239 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5241 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5243 * config/avr/avr.h (SET_ASM_OP): Define.
5245 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5247 * config/bfin/bfin.c: Fix comment typos.
5249 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5252 * doc/install.texi: Document --enable-bootstrap and
5253 --disable-bootstrap.
5255 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5257 * doc/install.texi: Document that InfoZIP can replace jar.
5259 2006-05-31 Roger Sayle <roger@eyesopen.com>
5261 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5262 isn't available, directly generate the simpler x87 patterns without
5263 the (use (const_int 0)).
5264 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5265 implementation isn't available.
5266 (*negdf2_1): Likewise.
5267 (*negxf2_1): XF mode negation is always done using the x87.
5268 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5270 2006-05-31 Roger Sayle <roger@eyesopen.com>
5272 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5273 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5275 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5277 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5279 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5280 * config/bfin/bfin.c (basic-block.h): Include.
5281 (struct machine_function): New.
5282 (bfin_init_machine_status): New.
5283 (override_options): Initialize init_machine_status.
5284 (bfin_hardware_loop): New.
5285 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5286 (DEF_VEC_P (loop_info)): New.
5287 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5288 (struct loop_info): New.
5289 (loop_info): New typedef.
5290 (struct loop_work): New.
5291 (loop_work): New typedef.
5292 (DEF_VEC_O (loop_work)): New.
5293 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5294 (bfin_dump_loops): New.
5295 (bfin_bb_in_loop): New.
5296 (bfin_scan_loop): New.
5297 (bfin_optimize_loop): New.
5298 (bfin_reorg_loops): New.
5299 (bfin_reorg): Use bfin_reorg_loops.
5300 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5302 (I_REGNO_P): Simplify.
5303 (DP_REGNO_P, DPREG_P): New macros.
5304 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5305 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5306 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5307 Add LT_REGS, LC_REGS, LB_REGS.
5308 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5310 (REGNO_REG_CLASS): Deal with loop registers.
5311 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5313 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5314 New constants for loop registers.
5315 (UNSPEC_LSETUP_END): New.
5316 (seq_insns): New define_attr. Set it for appropriate insns.
5317 (movsi_insn): Add alternatives for move from/to
5318 loop count registers.
5319 (doloop_end): New define_expand.
5320 (loop_end): New define_insn.
5321 (define_split for bad doloop_end): New.
5322 (lsetup_with_autoinit): New define_insn.
5323 (lsetup_without_autoinit): New define_insn.
5324 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5325 * config/bfin/predicates.md (lc_register_operand): New.
5326 (lt_register_operand): New.
5327 (lb_register_operand): New.
5328 (nondp_register_operand): New.
5329 (nondp_reg_or_memory_operand): New.
5330 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5332 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5334 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5335 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5337 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5339 * Makefile.in (CATALOGS): Add po/ prefix.
5340 * configure: Regenerated.
5342 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5345 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5346 a shift operand before calling shift_op. Avoid redundant call of
5349 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5350 DJ Delorie <dj@redhat.com>
5352 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5353 we're inserting is a singlt-bit constant.
5355 2006-05-30 Roger Sayle <roger@eyesopen.com>
5357 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5358 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5360 2006-05-30 Roger Sayle <roger@eyesopen.com>
5362 PR tree-optimization/23452
5363 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5364 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5365 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5366 complex values and with -ffast-math for FP complex values.
5368 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5370 * c-common.h: Remove the prototype for yyparse.
5371 * rtl.h: Remove the prototype for init_loop.
5373 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5375 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5378 2006-05-30 Roger Sayle <roger@eyesopen.com>
5380 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5382 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5383 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5385 2006-05-30 Dirk Mueller <dmueller@suse.de>
5388 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5389 for CONSTANT_CLASS_P expresisons.
5391 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5394 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5396 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5398 PR tree-optimization/27779
5399 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5400 initial_condition instead of CHREC_LEFT.
5402 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5404 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5405 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5406 Make prototypes ISO C90.
5408 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5409 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5411 * see.c (see_analyze_one_def): Correct check.
5412 (see_get_extension_data): Check if extension is parallel.
5413 (see_get_extension_reg): Likewise.
5415 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5418 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5419 into register for (code == GTU).
5421 2006-05-29 Roger Sayle <roger@eyesopen.com>
5423 PR tree-optimization/24964
5424 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5425 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5426 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5427 abs(x)*abs(x) as x*x for scalar floating point modes.
5429 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5432 * lambda-code.c (perfect_nestify): Don't copy statements
5433 in the inner loop: move them to the inner loop header.
5435 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5438 * c-tree.texi: Document OpenMP directives and clauses.
5440 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5442 * varasm.c (globalize_decl): Fix indentation.
5444 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5447 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5448 pass_fre, pass_store_ccp, pass_copy_prop,
5449 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5450 pass_return_slot, pass_object_size, pass_lim,
5451 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5452 pass_loop_prefetch and pass_stdarg.
5454 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5456 * config/bfin/bfin.opt (mfdpic): New option.
5457 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5458 (EXTRA_MULTILIB_PARTS): Likewise.
5459 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5460 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5462 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5463 (CRT_CALL_STATIC_FUNCTION): New.
5464 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5466 (CRT_CALL_STATIC_FUNCTION): New.
5467 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5469 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5470 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5471 (initialize_trampoline): Changed to handle FD-PIC code generation.
5472 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5473 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5474 (override_options): Disallow -mid-shared-library -mfdpic combination.
5475 Can't do unaligned ops if FD-PIC.
5476 Turn off flag_pic if trying to generate non-id-shared-library
5477 non-fdpic code, since it's not supported.
5478 (bfin_assemble_integer): New function.
5479 (TARGET_ASM_INTEGER): Define.
5480 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5482 * config/bfin/crtn.s: Restore them.
5483 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5485 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5486 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5487 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5488 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5489 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5491 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5492 FDPIC_REGS and FDPIC_FPTR_REGS.
5493 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5494 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5495 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5496 (load_funcdescsi): New pattern.
5497 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5498 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5499 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5501 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5503 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5506 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5508 * tree-flow.h: Remove the prototype for add_type_alias.
5509 * tree-ssa-alias.c (add_type_alias): Remove.
5511 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5513 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5514 config/fr30/fr30.md, config/i386/i386-interix.h,
5515 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5516 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5517 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5518 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5519 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5520 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5521 Follow spelling conventions.
5522 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5523 Follow spelling conventions.
5525 2006-05-27 Richard Guenther <rguenther@suse.de>
5528 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5529 to produce a constant of value 1 of generic type.
5531 2006-05-27 Dirk Mueller <dmueller@suse.de>
5533 * cgraphunit.c (decide_is_function_needed): Fix wrong
5536 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5538 PR rtl-optimization/27661
5539 * reload.c (find_reloads): When reloading a VOIDmode constant
5540 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5541 use Pmode as mode of the reload register.
5543 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5545 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5546 is enabled at -O and above.
5548 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5551 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5554 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5557 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5558 for anonymous variables explicitly declared by front ends.
5560 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5562 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5563 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5564 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5565 ref-all pointers, run a finalization pass for them.
5566 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5567 (finalize_ref_all_pointers): New function.
5568 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5569 regular pointer type to a ref-all pointer type.
5570 (get_tmt_for): Return the special memory tag for ref-all pointers.
5572 2006-05-25 Richard Guenther <rguenther@suse.de>
5575 * fold-const.c (fold_binary): Do not look at the stripped
5576 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5578 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5580 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5581 for LT and GT if the computed range is effectively empty.
5583 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5586 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5587 mips_quad_format formats instead of ieee_single_format,
5588 ieee_double_format and ieee_quad_format formats, respectively.
5590 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5592 PR tree-optimization/27639
5593 PR tree-optimization/26719
5594 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5595 call to scev_probably_wraps_p.
5596 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5597 used_in_pointer_arithmetic_p, convert_step): Removed.
5598 (nowrap_type_p): New function.
5599 (scev_probably_wraps_p): Rewritten.
5600 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5601 chrec_convert if chrec_convert_aggressive might have been used.
5602 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5603 scev_direction): New functions.
5604 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5605 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5606 instead of convert_step.
5607 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5608 (convert_step): Declaration removed.
5609 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5611 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5613 * df-core.c: Added to header comments.
5614 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5615 df_ur_bb_info, df_urec_bb_info): Added comments.
5616 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5617 urec, ri problems): Fixed header comments.
5618 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5619 code from df_rd_transfer_function.
5621 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5623 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5624 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5625 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5627 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5629 * expr.c (undefined_operand_subword_p): New.
5630 (emit_move_multi_word): Do not generate move from undefined bits
5631 of a paradoxical subreg.
5633 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5635 PR rtl-optimization/27736
5636 * combine.c (replaced_rhs_value): New variable.
5637 (combine_instructions): Set it.
5638 (distribute_notes): When distributing a note in replaced_rhs_insn,
5639 check whether the value was used in replaced_rhs_value.
5641 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5644 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5645 add_referenced_var instead of add_referenced_tmp_var.
5646 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5647 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5649 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5650 tree_optimize_tail_calls_1): Use add_referenced_var.
5651 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5652 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5653 Use add_referenced_var.
5654 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5655 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5656 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5657 Use add_referenced_var.
5658 * tree-dfa.c (struct walk_state): Remove.
5659 (find_referenced_vars): Remove walk state and vars_found hash table.
5660 (make_rename_temp): Use add_referenced_var.
5661 (find_vars_r): Pass less parameters to add_referenced_var.
5662 (referenced_var_p): New. Is var in referenced_var hash table.
5663 (referenced_var_insert): Assert var isn't already in hash table.
5664 (add_referenced_var): Don't need walk_state parameter. Add var if it
5665 isn't already in the hash table.
5666 (add_referenced_tmp_var): Remove.
5667 (find_new_referenced_vars_1): Use add_referenced_var.
5668 * tree-ssa-pre.c (create_expression_by_pieces,
5669 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5670 Use add_referenced_var.
5671 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5672 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5673 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5675 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5676 vect_create_data_ref_ptr, vect_create_destination_var,
5677 vect_init_vector, vect_build_loop_niters,
5678 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5679 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5680 Use add_referenced_var.
5681 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5682 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5683 (add_referenced_var): Add prototype.
5684 * tree-ssa-structalias.c (get_constraint_for,
5685 intra_create_variable_infos): Use add_referenced_var.
5687 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5689 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5690 big-endian paradoxical subregs.
5691 * var-tracking.c (struct micro_operation_def): Document that,
5692 for modify micro operations, insn is the subsequent instruction.
5693 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5694 (var_reg_set, var_mem_set): ... new functions.
5695 (add_stores): Record subsequent insn.
5696 (compute_bb_dataflow): Use new functions for MO_USE.
5697 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5698 notes after the insn, and modify notes before the insn known
5699 to be the subsequent one.
5700 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5702 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5705 * config/i386/i386.c (ix86_expand_builtin): Use
5706 gen_sse3_monitor64 for TARGET_64BIT.
5708 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5710 PR rtl-optimization/26375
5711 PR rtl-optimization/26855
5712 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5714 (df_ru_bb_local_compute): Reversed statements and removed bogus
5715 comment explaining why they should be in wrong order.
5716 (df_ru_dump, df_rd_dump): Enhanced debug info.
5717 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5719 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5720 reaching uses and fixed space problem.
5722 2006-05-23 Jan Hubicka <jh@suse.cz>
5724 * cgraphunit.c (decide_is_function_needed): Also nested functions
5725 and functions declared inline can be optimized out at -O0.
5727 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5729 * doc/install.texi (Configuration): Remove reference to CrossGCC
5733 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5736 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5737 ix86_compare_emitted is non-NULL.
5739 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5742 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5745 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5747 PR rtl-optimization/25514
5748 * combine.c (replaced_rhs_insn): New variable.
5749 (combine_instructions): Set replaced_rhs_insn when trying to replace
5750 a SET_SRC with a REG_EQUAL note.
5751 (distribute_notes): Use replaced_rhs_insn when determining the live
5752 range of a REG_DEAD register.
5754 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5755 Anatoly Sokolov <aesok@post.ru>
5757 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5758 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5759 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5760 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5761 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5762 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5763 at90usb647, at90usb1286 and at90usb1287 devices.
5764 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5765 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5767 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5769 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5771 2006-05-22 Richard Guenther <rguenther@suse.de>
5774 2006-01-31 Richard Guenther <rguenther@suse.de>
5775 Paolo Bonzini <bonzini@gnu.org>
5777 * doc/install.texi (--disable-libgcc-math): Document.
5779 2006-05-22 Richard Guenther <rguenther@suse.de>
5782 2006-01-31 Richard Guenther <rguenther@suse.de>
5784 * doc/invoke.texi (-msselibm): Document.
5785 * target.h (expand_library_builtin): New target hook.
5786 * builtins.c (expand_builtin): Use expand_library_builtin.
5787 (default_expand_library_builtin): New function.
5788 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5789 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5790 (link_gcc_math_spec): Declare.
5791 (static_specs): Add link_gcc_math_spec.
5792 * expr.h (default_expand_library_builtin): Declare.
5793 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5794 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5795 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5796 * config/i386/i386.opt (msselibm): New target option.
5797 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5798 (ix86_init_sse_abi_builtins): New function.
5799 (ix86_expand_library_builtin): Likewise.
5800 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5801 (override_options): Handle error conditions wrt -msselibm.
5802 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5803 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5804 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5807 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5810 * c-common.c (self_promoting_args_p): Skip erroneous args.
5813 * c-decl.c (finish_struct): Skip erroneous fields.
5815 2006-05-22 Nick Clifton <nickc@redhat.com>
5817 * config/cris/cris.opt (march): Remove VarExists attribute.
5818 (max-stackframe=): Likewise.
5820 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5822 * doc/rtl.texi: Fix a typo.
5823 * see.c: Fix comment typos.
5825 * tree-ssa-structalias.h (alias_info): Remove num_references.
5827 2006-05-21 Mike Stump <mrs@apple.com>
5829 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5831 (darwin_pragma_options): Use BAD instead.
5832 (darwin_pragma_unused): Likewise.
5833 (darwin_pragma_ms_struct): Likewise.
5835 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5837 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5839 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5841 PR rtl-optimization/27671
5842 * simplify-rtx.c (simplify_relational_operation_1): Fix
5843 simplifications of (eq/ne (xor x y) y) and
5844 (eq/ne (xor x y) x).
5846 PR tree-optimization/26622.
5847 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5850 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5852 * tree-cfg.c: Prune whitespace.
5853 (debug_tree_cfg): Point to correct header containing the
5856 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5859 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5861 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5864 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5865 or sorry count is non zero.
5867 2006-05-20 Andreas Schwab <schwab@suse.de>
5869 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5871 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5872 Kenneth Zadeck <zadeck@naturalbridge.com>
5874 PR rtl-optimization/26855
5876 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5878 (df_scan_alloc): Added code to properly handle multiword hard
5879 registers and add all_blocks parameter.
5880 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5881 code to properly handle multiword hard registers.
5882 (df_rescan_blocks): Added code to remove deleted blocks from
5884 (df_ref_create_structure, df_ref_record): Added code to properly
5886 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5887 and set DF_REF_PARTIAL.
5888 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5889 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5890 (df_scan_add_problem): Added flags parameter.
5891 (df_ref_create_structure): Changed switching structure.
5892 (df_bb_refs_record): Fixed case where duplicate artificial refs
5893 were created. Changed location of flags.
5894 (df_record_entry_block_defs): Added code to make stack pointer
5895 live in entry block. Refined cases where frame pointer is needed.
5896 Changed location of flags.
5897 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5898 (df_set_state): Removed function.
5899 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5900 df_insn_create_insn_record, df_insn_refs_delete,
5901 df_ref_create_structure): Formatting changes.
5902 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5903 df_delete_basic_block): New function.
5904 (df_init): Changed location of flags.
5905 (df_add_problem): Added flags parameter and the way flags are
5907 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5908 debug_df_chain): Improved debugging output.
5909 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5910 (df_refs_chain_dump): Removed df parameter.
5911 (df_iterative_dataflow): Added consistency check.
5912 (df_prune_to_subcfg): Made public.
5913 (df_analyze_problem): Added blocks_to_init parameter and made
5915 (df_ref_record, df_bb_refs_record, df_mark_reg,
5916 df_record_exit_block_uses): Whitespace changes.
5917 (df_dump): Whitespace changes.
5918 * df.h: Some reordering to remove forward references.
5919 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5920 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5921 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5922 (dataflow.flags): New field.
5923 (df.flag): Deleted field.
5924 (df_alloc_function): Added additional bitmap parameter.
5925 (df_dependent_problem_function): New type.
5926 (df_problem.changeable_flags): New field.
5927 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5928 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5929 (df_mw_hardreg): New struct.
5930 (DF_INSN_UID_MWS): New macro.
5931 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5933 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5934 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5935 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5936 (df_set_state): Removed function.
5937 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5938 * df-problems.c (df_chain_dump): Removed df parameter.
5939 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5940 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5942 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5943 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5944 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5945 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5946 DF_REF_MUST_CLOBBER cases.
5947 (df_ru_bb_local_compute_process_def,
5948 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5949 df_lr_bb_local_compute, df_ur_bb_local_compute,
5950 df_chain_create_bb): Made subreg aware.
5951 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5952 df_lr_bb_local_compute, df_lr_bb_local_compute,
5953 df_chain_create_bb): Cleanup to use proper macros.
5954 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5955 code to fixup bitvectors.
5956 (df_ri_alloc): Cleared lifetime.
5957 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5958 df_create_unused_note): New function.
5959 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5960 REG_DEAD and REG_UNUSED notes as well as register information.
5961 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5962 df_chains_dump): Fixed crash if problem was never run.
5963 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5964 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5965 df_ri_add_problem): Processes flags in uniform manner.
5966 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5967 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5968 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5969 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5970 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5971 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5972 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5973 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5974 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5975 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5976 * see.c (see_initialize_data): Ditto.
5977 * final.c (rest_of_clean_state) Added regstack_completed.
5978 * rtl.h (regstack_completed): Ditto.
5979 * reg-stack.c (regstack_completed): Ditto.
5981 2006-05-19 Mike Stump <mrs@apple.com>
5983 * c-tree.h (default_conversion): Remove.
5984 * c-common.h (default_conversion): Add.
5986 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5988 * tree-vrp.c (valid_value_p): New function.
5989 (adjust_range_with_scev): Fail if the value of bound is not
5992 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5994 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5995 (mips_fallback_frame_state): Use syscall numbers to determine
5996 the appropriate li instruction for the current ABI. Only use
5997 __NR_sigreturn for o32.
5999 2006-05-19 Nicolas Setton <setton@adacore.com>
6001 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6002 * langhooks.c (lhd_dwarf_name): New function.
6003 * langhooks-def.h (lhd_dwarf_name): Declare.
6004 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6005 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6006 * ada/misc.c (gnat_dwarf_name): New function.
6007 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6009 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6011 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6013 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6014 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6015 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6016 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6017 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6018 determine the size of Wtype, etc.
6019 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6020 (swfloatfuncs): New variable.
6021 (dwfloatfuncs): Likewise.
6022 (lib2funcs): Remove floating-point conversion functions from
6023 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6024 the set of conversion routines needed. Allow entries to specify
6025 an object name, filename and word size. Update users accordingly.
6026 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6027 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6031 2006-02-08 Roger Sayle <roger@eyesopen.com>
6034 * config/fixtfdi.c: New libgcc source file.
6035 * config/fixunstfdi.c: New source file.
6036 * config/floatditf.c: New source file.
6037 * config/floatunditf.c: New souce file.
6038 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6039 files above instead of config/mips/_tilib.c.
6040 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6042 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6044 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6045 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6047 2006-05-18 Mike Stump <mrs@apple.com>
6049 Fix up vla, vm and [*] sematics.
6055 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6056 (c_vla_unspec_p): Add.
6057 (c_vla_type_p): Add.
6058 * c-decl.c (struct c_scope): Add had_vla_unspec.
6059 (build_array_declarator): Add support for [*].
6060 (grokdeclarator): Likewise.
6061 (grokparms): Likewise.
6062 (get_parm_info): Likewise.
6063 * c-objc-common.c (c_vla_unspec_p): Likewise.
6064 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6065 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6066 typeof when argument is a variably modified type not inside sizeof or alignof.
6067 (c_parser_direct_declarator_inner): Propagate errors.
6068 (c_parser_sizeof_expression): Add support for [*].
6069 (c_parser_parms_declarator): Initialize had_vla_unspec.
6070 (c_parser_parms_list_declarator): Likewise.
6071 * c-typeck.c (c_vla_type_p): Add.
6072 (composite_type): Add support for vla compositing.
6073 (comptypes_internal): Add support for vla compatibility.
6074 (c_expr_sizeof_expr): Evaluate vla arguments.
6075 * tree.c (variably_modified_type_p): Update comment for [*].
6077 2006-05-18 Michael Matz <matz@suse.de>
6080 * config.host: Make assignments to host_xmake_file cumulative.
6081 * config.host (*-darwin*): Test $host, not $target.
6083 2006-05-12 Stuart Hastings <stuart@apple.com>
6085 * config/i386/i386.opt (-mstackrealign): New flag.
6086 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6087 (ix86_handle_cconv_attribute): Emit error when
6088 force_align_arg_pointer attribute collides with too many regparms.
6089 (ix86_function_regparm): Limit regparms when used with
6090 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6091 Support stack-realigning prologue in non-main functions. Emit
6092 warning for nested functions under -mstackrealign, emit error for
6093 nested functions with force_align_arg_pointer attribute.
6094 * doc/extend.texi (force_align_arg_pointer): Document it.
6095 * doc/invoke.texi (-mstackrealign): Document it.
6097 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6099 PR rtl-optimization/27477
6100 * combine.c (try_combine): Don't split a parallel consisting
6101 of two sets into two individual sets if both sets reference
6104 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6106 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6107 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6109 * doc/options.texi (VarExists): Updated.
6111 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6113 * unwind-dw2.c: Add declarations for uw_update_context and
6115 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6116 detected, advance frame state and context once to skip over stub.
6118 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6122 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6123 Call rewrite_into_loop_closed_ssa only when something changed.
6124 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6125 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6126 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6127 Test for perfect_nest_p here. Fix formating.
6128 (replace_uses_equiv_to_x_with_y): Fix formating.
6129 (stmt_uses_op): Removed.
6130 (can_convert_to_perfect_nest): Removed loopivs parameter.
6131 Complete the test by checking the scalar dependences.
6132 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6135 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6138 From Dan Kegel <dank@kegel.com>:
6139 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6141 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6143 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6144 if the element type is variably modified without recursing.
6146 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6149 * tree-loop-linear.c (try_interchange_loops): Test for
6150 no data dependences.
6152 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6154 PR tree-optimization/27548
6155 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6156 range of ssa names that appear on abnormal edges.
6157 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6158 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6160 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6163 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6165 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6168 * tree.h (OMP_PARALLEL_COMBINED): Define.
6169 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6170 (new_omp_context): Add is_combined_parallel argument.
6171 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6172 new_omp_context caller.
6173 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6174 Adjust gimplify_scan_omp_clauses callers.
6175 (omp_is_private): Issue errors if iteration variable is firstprivate
6176 or reduction in the current context.
6177 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6178 on combined parallel workshare constructs.
6180 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6182 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6183 (gcc-options.o): New rule.
6185 * optc-gen.awk: Protect variables for gcc-options.o with
6186 #ifdef GCC_DRIVER/#endif.
6188 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6190 Fix PR tree-optimization/27373
6191 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6192 (forward_propagate_addr_expr): Update call.
6194 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6196 * doc/options.texi: Move the Negative option.
6198 2006-05-16 Richard Guenther <rguenther@suse.de>
6200 PR tree-optimization/22303
6201 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6203 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6204 ccp_fold did not simplify the statement.
6206 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6209 * Makefile.in (GCC_OBJS): New.
6210 (OBJS-common): Add opts-common.o.
6211 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6212 (cpp$(exeext)): Likewise.
6213 (gcc.o): Also depend on opts.h.
6214 (opts-common.o): New.
6216 * common.opt (gcoff): Add Negative(gdwarf-2).
6217 (gdwarf-2): Add Negative(gstabs).
6218 (gstabs): Add Negative(gstabs+).
6219 (gstabs+): Add Negative(gvms).
6220 (gvms): Add Negative(gxcoff).
6221 (gxcoff): Add Negative(gxcoff+).
6222 (gxcoff+): Add Negative(gcoff).
6223 * config/i386/i386.opt (m32): Add Negative(m64).
6224 (m64): Add Negative(m32).
6226 * doc/options.texi: Document the Negative option.
6228 * gcc.c: Include "opts.h".
6229 (main): Call prune_options after expandargv.
6231 * optc-gen.awk: Generate common declarations for all flag
6232 variables in options.c. Output the neg_index field.
6234 * opts.c (find_opt): Moved to ...
6235 * opts-common.c: Here. New file.
6237 * opts.h (cl_option): Add a neg_index field.
6239 (prune_options): Likewise.
6241 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6244 * omp-low.c (expand_omp_parallel): Don't assert
6245 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6246 instead search for it.
6249 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6252 2006-05-16 Andreas Schwab <schwab@suse.de>
6254 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6257 2006-05-15 Roger Sayle <roger@eyesopen.com>
6260 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6261 integer constants other than zero are only legitimate on TARGET_64BIT.
6262 <CONST_VECTOR> Only zero vectors are legitimate.
6263 (ix86_cannot_force_const_mem): Integral and vector constants can
6264 always be put in the constant pool.
6266 2006-05-16 DJ Delorie <dj@redhat.com>
6268 * crtstuff.c (__dso_handle): Set section from
6269 TARGET_LBIGCC_SDATA_SECTION if defined.
6270 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6271 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6273 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6276 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6279 2006-05-16 Ben Elliston <bje@au.ibm.com>
6281 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6283 2006-05-15 Per Bothner <per@bothner.com>
6285 * tree.c: (last_annotated_node): Use source_locus typedef.
6286 This permits bootstrapping with --enable-mapped-location.
6288 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6290 PR tree-optimization/26830
6291 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6292 (info_for_ssa_name, current_info_for_ssa_name_age,
6293 blocks_to_update): New variables.
6294 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6295 (clear_ssa_name_info, initialize_flags_in_bb,
6296 mark_block_for_update): New functions.
6297 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6298 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6299 prepare_def_site_for): Use mark_block_for_update.
6300 (mark_def_interesting): Assert that the processed block is marked in
6301 blocks_to_update. Do not take blocks argument.
6302 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6304 (rewrite_update_init_block, rewrite_update_stmt): Only process
6305 blocks with statements to rewrite.
6306 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6307 (update_ssa): Initialize and free blocks_to_update. Do not
6308 clear flags on statements. Do not use blocks bitmap.
6309 * tree.h (SSA_NAME_AUX): Removed.
6310 (struct tree_ssa_name): Removed aux field.
6311 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6313 2006-05-15 Richard Guenther <rguenther@suse.de>
6315 PR tree-optimization/27603
6316 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6317 Do computations in original type.
6319 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6321 * see.c: Code style changes such as redundant paranthesis,
6322 redundant intialization of local variables etc.
6323 (see_main): Declared now as static.
6324 * doc/invoke.texi: Update that -fsee is not enabled by
6327 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6329 * omp-low.c (check_omp_nesting_restrictions): New function.
6330 (scan_omp_1): Call it.
6333 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6334 construct, return *VAR.
6336 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6338 PR rtl-optimization/27406
6339 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6342 2006-05-14 Roger Sayle <roger@eyesopen.com>
6344 PR rtl-optimization/27538
6345 * combine.c (expand_compound_operation): Call gen_lowpart
6346 before calling simplify_shift_const.
6348 2006-05-14 Roger Sayle <roger@eyesopen.com>
6350 PR rtl-optimization/22563
6351 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6352 a fixed width bitfield, always force the intermediates into psuedos.
6354 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6357 * mkconfig.sh: Use operator = instead of == for test.
6359 2006-05-13 Nick Clifton <nickc@redhat.com>
6361 * dwarf2out.c (dbx_reg_number): Check return value from
6362 LEAF_REG_REMAP and only use it if it is valid.
6363 (multiple_reg_loc_descriptor): Likewise.
6365 2006-05-13 Richard Guenther <rguenther@suse.de>
6367 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6370 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6372 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6373 information attached to non-INSNs such as NOTEs.
6374 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6376 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6378 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6380 * config/s390/s390.md: Adjust comment describing On constraint.
6382 2006-05-11 Jan Hubicka <jh@suse.cz>
6384 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6385 to be output at -O0.
6387 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6390 * fold-const.c (size_binop): Move sanity check for arguments to
6391 the beginning of the function.
6394 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6397 2006-05-11 Richard Guenther <rguenther@suse.de>
6400 * fold-const.c (fold_unary): Handle intermediate conversion
6401 to a pointer type like intermediate conversion to an integer
6402 type in folding of (T1)(T2)var to var.
6403 Match the code to the comment in the final conversion for
6404 (T1)(T2)var to (T1)var regarding to type precision. Rather
6405 than disallow T1 being of pointer type, assert that both T1
6406 and var are of pointer type or not. Make sure not to fall
6407 over the frontends lazyness wrt array to pointer decay though.
6409 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6411 * arm.c (arm_struct_value_rtx): Delete.
6412 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6413 (arm_init_cumulative_args): Always initialize nregs to zero.
6415 2006-05-10 Richard Guenther <rguenther@suse.de>
6417 PR tree-optimization/27532
6418 * tree-object-size.c (plus_expr_object_size): Fix typo.
6420 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6423 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6424 ashrdi_const, ashrdi3): Use a scratch register.
6426 2006-05-10 Richard Guenther <rguenther@suse.de>
6428 PR tree-optimization/27302
6429 * fold-const.c (operand_equal_p): For two comparisons,
6430 try comparison of one comparison code swapped if that yields
6433 2006-05-10 Ben Elliston <bje@au.ibm.com>
6435 * tree-pretty-print.c (pretty_print_string): No need to handle
6436 '\0' as a special character.
6438 * tree.h: Include "hashtab.h".
6439 (iterative_hash_expr): Use hashval_t in its prototype.
6440 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6442 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6445 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6446 (hppa*64*-*-hpux11*): Ditto.
6447 (hppa[12]*-*-hpux11*): Ditto.
6449 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6452 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6454 2006-05-09 Michael Matz <matz@suse.de>
6456 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6457 host_extra_gcc_objs and host_xmake_file.
6458 (<*-*-linux*>): Don't overwrite host_xmake_file.
6459 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6460 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6461 (host_detect_local_cpu): Declare.
6462 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6463 * config/i386/i386.c (override_options): Handle -mtune=native
6465 * config/i386/x-i386: New file.
6466 * config/i386/driver-i386.c: New file.
6467 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6470 2006-05-09 Dirk Mueller <dmueller@suse.de>
6471 Richard Guenther <rguenther@suse.de>
6474 * fold-const.c (fold_read_from_constant_string): Relax check
6475 for matching types to matching modes.
6477 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6479 PR rtl-optimization/27335
6480 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6483 2006-05-08 Chao-ying Fu <fu@mips.com>
6484 Richard Sandiford <richard@codesourcery.com>
6486 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6487 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6488 * config/mips/mips.md (UNSPEC_SCC): New constant.
6489 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6490 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6491 (mips_emit_compare): Use it.
6492 (mips_expand_vcondv2sf): New function.
6494 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6496 Fix PR tree-optimization/27093
6497 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6498 renaming when they become not-used_alone.
6500 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6502 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6503 relocation and relocation stubs.
6505 2006-05-08 Eric Christopher <echristo@apple.com>
6507 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6510 2006-05-08 Jan Hubicka <jh@suse.cz>
6513 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6514 unused static functions are needed.
6516 2006-05-08 Roger Sayle <roger@eyesopen.com>
6519 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6520 of a reg_equiv_constant if the result is a legitimate constant.
6522 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6525 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6526 standard 80387 constants, raise the cost to prevent
6527 compress_float_constant() to generate load from memory.
6529 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6531 * config/arm/constraints.md (c): Fix a typo.
6533 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6536 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6539 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6541 (_mm_mwait): Likewise.
6543 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6545 (sse3_monitor): Make it 32bit only.
6546 (sse3_monitor64): New. 64bit monitor.
6548 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6551 * config/i386/i386.c (classify_argument): Skip fields with invalid
6554 2006-05-07 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/27409
6557 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6558 Do not try to find zero-sized subvars.
6560 2006-05-07 Richard Guenther <rguenther@suse.de>
6562 PR tree-optimization/27136
6563 * tree-ssa-loop-niter.c (get_val_for): Correct function
6564 comment, assert requirements.
6565 (loop_niter_by_eval): Stop processing if the iterated
6566 value did not simplify.
6568 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6570 * opts.c (flag_see): remove its setting at -O3.
6572 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6574 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6575 * arm/constraints.md: New file.
6576 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6577 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6578 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6579 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6580 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6581 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6582 * arm.md: Include constraints.md.
6583 (thumb_movsi_insn): Use satisfies_constraint_J.
6584 (movhi, movqi): Use satisfies_constraint_I.
6586 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6588 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6589 for atmeg a645 device.
6591 2006-05-06 Richard Guenther <rguenther@suse.de>
6593 PR tree-optimization/27151
6594 * tree-vect-transform.c (vectorizable_condition): Punt on
6595 values that have a different type than the condition.
6597 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6600 * c-parser.c (c_parser_cast_expression): Only insert casts into
6601 hash table if pointer.
6602 * function.c (used_types_insert_helper): Rename from
6604 (used_types_insert): Call used_types_insert_helper.
6605 * function.h (used_types_insert): Accept only one argument.
6607 2006-05-05 David Edelsohn <edesohn@gnu.org>
6609 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6610 scratch with output modifier.
6612 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6615 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6616 with output modifier.
6618 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6621 * config/mips/mips.c (mips_symbolic_address_p): Return true
6622 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6623 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6625 2006-05-04 Richard Guenther <rguenther@suse.de>
6627 PR tree-optimization/14287
6628 PR tree-optimization/14844
6629 PR tree-optimization/19792
6630 PR tree-optimization/21608
6631 PR tree-optimization/27090
6632 * tree-ssa-pre.c (try_combine_conversion): New function.
6633 (compute_avail): After constructing the value-handle
6634 expression, use try_combine_conversion to combine NOP_EXPRs
6635 with previous value-handle expressions and use the result if it
6638 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6640 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6642 2006-05-04 Jan Hubicka <jh@suse.cz>
6645 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6647 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6649 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6650 that this only matches CONST_INTs. All users changed to VOIDmode
6653 * config/bfin/bfin.c: Include "optabs.h".
6654 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6656 (enum bfin_builtins): Add a number of fractional and vector builtins.
6657 (bfin_init_builtins): Likewise.
6658 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6659 (safe_vector_operand, bfin_expand_binop_builtin,
6660 bfin_expand_unop_builtin): New functions.
6661 (bfin_expand_builtin): Handle the new builtins.
6662 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6665 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6668 * Makefile.in (OBJS-common): Add see.o.
6669 (see.o): Add dependencies.
6670 * common.opt (fsee): New flag for the see optimization was added.
6671 * opts.c (flag_see): Initialized.
6672 * passes.c (init_optimization_passes, pass_see): New pass.
6673 * rtl.h (see_main): Declaration as extern.
6674 * timevar.def (TV_SEE): New.
6675 * tree-pass.h (pass_see): Declaration as extern.
6676 * invoke.texi (-fsee): Document.
6677 * recog.c (validate_simplify_insn): New function.
6678 * recog.h (validate_simplify_insn): Declaration as extern.
6679 * df-problems.c (df_chain_dump): Check for NULL.
6681 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6682 Daniel Berlin <dberlin@dberlin.org>
6684 * cfgrtl.c (insert_insn_bb_end_new): New function.
6685 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6687 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6689 * df.h (struct web_entry): Moved from web.c.
6690 (union_defs): Declaration as extern.
6691 (unionfind_root): Likewise.
6692 (unionfind_union): Likewise.
6693 * web.c (struct web_entry): Moved to df.h.
6694 (unionfind_root): Remove static declaration.
6695 (unionfind_union): Likewise.
6696 (union_defs): Likewise and generalize to use callback function.
6697 (web_main): Update arguments for union_defs function call.
6699 2006-05-04 Richard Guenther <rguenther@suse.de>
6701 PR tree-optimization/26447
6702 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6703 produce SSA_NAME copies before the store stmt to avoid
6704 breaking exception handling.
6706 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6709 * gimplify.c (omp_is_private): If var is shared in some outer context,
6710 return false instead of true. Stop searching on parallel context
6713 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6716 * coverage.c: Use get_gcov_unsigned_t() instead of
6717 unsigned_type_node all over.
6719 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6721 PR tree-optimization/27381
6722 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6723 maintain the same immediate_use links.
6724 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6725 node rather than segfaulting.
6727 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6730 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6731 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6732 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6734 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6736 Fix PR tree-optimization/26626
6737 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6739 * tree-ssa-operands.c (access_can_touch_variable): Allow
6740 typecasting through union pointers.
6742 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6745 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6746 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6747 to find if var will be a global variable even in the nested context.
6748 (omp_copy_decl): Only check for global variable at the end, it might
6749 be overridden in outer contexts.
6750 (scan_sharing_clauses): For global variables don't create a field.
6751 (lower_rec_input_clauses): Do nothing for global shared variables.
6752 Emit a barrier at the end of ILIST if there were any decls in both
6753 firstprivate and lastprivate clauses.
6754 (lower_send_clauses): Do nothing for global variables except for
6757 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6759 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6760 of the correct signedness is returned.
6762 2006-05-02 Jeff Law <law@redhat.com>
6764 PR tree-optimization/27364
6765 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6766 multiply expressions.
6768 2006-05-02 Tom Tromey <tromey@redhat.com>
6770 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6772 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6775 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6776 -mthumb -fPIC are used.
6778 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6779 Joshua Kinard <kumba@gentoo.org>
6782 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6783 with 64-bit pointers.
6785 2006-05-02 Paul Brook <paul@codesourcery.com>
6787 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6789 (create_fix_barrier): Check that a suitable barrier location is
6791 (arm_reorg): Include ftmp->address in allowable range of addresses.
6793 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6796 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6799 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6802 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6803 around RESULT_DECL for result passed by reference.
6804 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6805 * omp-low.c (use_pointer_for_field): Don't look at
6806 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6807 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6808 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6809 time or var for passing by reference for
6810 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6811 TREE_ADDRESSABLE variables when passing by reference.
6813 * omp-low.c (dump_omp_region): Fix output formatting.
6816 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6817 (expand_omp_parallel): Likewise.
6818 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6821 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6822 on statement list containing also constructors and destructors.
6823 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6826 * except.c (duplicate_eh_regions): Fix clearing of
6827 cfun->eh->region_array entries.
6829 2006-05-01 DJ Delorie <dj@redhat.com>
6831 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6833 (gcc_cv_objdump): Likewise.
6834 * configure: Regenerated.
6836 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6839 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6840 templates for case 3 and 4.
6842 2006-05-01 DJ Delorie <dj@redhat.com>
6844 * vec.c: Include bconfig.h when appropriate.
6845 * Makefile.in (build/vec.o): Adjust dependencies.
6846 * mkconfig.sh: Make sure config.h isn't used for build machine
6849 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6851 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6853 (mark_phi_for_rewrite): New function.
6854 (insert_phi_nodes_for, mark_use_interesting): Call
6855 mark_phi_for_rewrite.
6856 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6857 (update_ssa): Initialize and free phis_to_rewrite.
6859 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6861 PR rtl-optimization/27291
6862 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6863 folded to a constant.
6865 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6867 PR tree-optimization/27283
6868 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6869 not whole # of iteration descriptions.
6870 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6871 uses abnormal ssa name.
6872 (niter_for_single_dom_exit): Ditto.
6873 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6874 return just the number of iterations.
6876 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6878 PR tree-optimization/27144
6879 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6880 (record_estimate): Only record constant upper bound.
6881 (infer_loop_bounds_from_undefined): Call
6882 compute_estimated_nb_iterations just once.
6883 (proved_non_wrapping_p): Renamed to ...
6884 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6885 (convert_step_widening, scev_probably_wraps_p): Call
6886 n_of_executions_at_most instead of proved_non_wrapping_p.
6887 (substitute_in_loop_info): Do not replace values in bounds.
6888 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6891 2006-05-01 Richard Henderson <rth@redhat.com>
6894 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6895 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6898 2006-05-01 Roger Sayle <roger@eyesopen.com>
6900 * c-typeck.c (parser_build_binary_op): Don't call the function
6901 unsigned_conversion_warning to spot operand/result type overflow.
6902 (build_binary_op): Instead, call convert_and_check instead of
6903 convert to report the problem when the operands are promoted.
6904 * c-common.c (unsigned_conversion_warning): Make static.
6905 * c-common.h (unsigned_conversion_warning): Delete prototype.
6907 2006-05-01 Richard Guenther <rguenther@suse.de>
6909 PR tree-optimization/26726
6910 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6912 (find_interesting_uses_address): ... we work around here
6913 by folding INDIRECT_REFs in the substituted base.
6915 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6917 * omp-low.c (dump_omp_region): Add newlines.
6919 2006-04-30 Roger Sayle <roger@eyesopen.com>
6921 * common.opt (Woverflow): New command line option.
6922 * c-common.c (constant_expression_warning): Check warn_overflow.
6923 (overflow_waring): Pass OPT_Woverflow to warning.
6924 (unsigned_conversion_warning): Likewise.
6925 (convert_and_check): Likewise.
6926 * doc/invoke.texi: Document new command line option.
6928 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6930 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6931 TARGET_NO_FP_IN_TOC for section anchors.
6932 (optimization_options): Enable section anchors for all
6933 non-"Objective" languages.
6935 2006-04-28 Eric Christopher <echristo@apple.com>
6937 * config/darwin-c.c (darwin_ms_struct): Move this
6938 (darwin_set_default_type_attributes): and this...
6939 * config/darwin.c: ... here.
6940 * config/darwin.h (darwin_ms_struct): Declare.
6942 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6946 2006-04-28 Roger Sayle <roger@eyesopen.com>
6949 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6950 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6951 an unsigned HOST_WIDE_INT.
6952 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6954 (really_start_incremental_init): No need to call convert because
6955 bitsize_zero_node is already of type bitsizetype.
6956 (push_init_level): Extract the value of constructor_index as an
6957 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6958 (process_init_element): Likewise.
6960 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6962 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6963 value before passing to make_relative_prefix.
6965 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6968 * builtins.c (expand_builtin_memset): Expand val in original mode.
6970 2006-04-27 Eric Christopher <echristo@apple.com>
6972 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6973 with #ifndef/#endif.
6974 * config/darwin-c.c (darwin_ms_struct): New.
6975 (darwin_pragma_ms_struct): Ditto.
6976 (darwin_set_default_type_attributes): Ditto.
6977 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6978 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6979 Register ms_struct pragma.
6980 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6981 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6982 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6983 darwin_set_default_type_attributes if TARGET_MACHO.
6985 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6987 PR tree-optimization/26854
6988 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6989 * doc/tree-ssa.texi: Update immuse iterator documentation.
6990 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6991 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6992 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6993 first_safe_imm_use, next_safe_imm_use): Remove.
6994 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6995 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6996 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6997 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6998 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6999 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7000 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7001 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7002 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7003 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7004 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7005 (perfect_nestify): Use new iterator.
7006 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7008 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7009 (next_imm_name): New field in struct immediate_use_iterator_d.
7010 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7011 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7012 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7013 * tree-cfg.c (replace_uses_by): Use new iterator.
7014 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7015 * tree-ssa-operands.c (correct_use_link): Remove.
7016 (finalize_ssa_use_ops): No longer call correct_use_link.
7018 2006-04-27 Stuart Hastings <stuart@apple.com>
7020 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7021 * config/t-darwin (crt3.o): Use it.
7022 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7023 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7024 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7025 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7026 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7029 2006-04-27 Roger Sayle <roger@eyesopen.com>
7031 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7032 size, force the intermediate into a new pseudo rather instead of
7033 performing both a bitwise AND and a bitwise IOR in memory.
7035 2006-04-27 Richard Guenther <rguenther@suse.de>
7037 PR rtl-optimization/26685
7038 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7039 this one "max-flow-memory-locations".
7041 2006-04-27 Richard Guenther <rguenther@suse.de>
7043 PR tree-optimization/25148
7044 * tree-vrp.c (compare_values): Remove code dealing with
7045 comparisons against type min/max value. Honour overflow
7046 and negative constants in code dealing with comparisons
7047 of plus and minus expressions.
7048 (value_inside_range): Use fold_binary with LE_EXPR and
7049 GE_EXPR rather than compare_values.
7051 2006-04-27 Dirk Mueller <dmueller@suse.de>
7053 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7056 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7058 * basic-block.h (safe_insert_insn_on_edge): Removed.
7059 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7061 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7062 Paolo Bonzini <bonzini@gnu.org>
7065 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7066 (simplify_and_const_int): Same.
7068 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7070 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7072 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7075 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7076 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7077 cgraph_global_info_ready.
7080 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7083 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7084 either decl or init is error_mark_node.
7087 * tree-flow.h (struct omp_region): Add sched_kind.
7088 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7089 instead of extracting omp for data.
7090 (expand_omp_for): Save extracted sched_kind.
7092 2006-04-25 Roger Sayle <roger@eyesopen.com>
7094 * expmed.c (store_bit_field): Also check whether the bitsize is
7095 valid for the machine's "insv" instruction before moving the
7096 target into a pseudo for use with the insv.
7097 * config/i386/predicates.md (const8_operand): New predicate.
7098 * config/i386/i386.md (extv, extzv, insv): Use the new
7099 const8_operand predicate where appropriate.
7101 2006-04-25 DJ Delorie <dj@redhat.com>
7103 * doc/install.texi (Specific): Clarify that this is not a list of
7104 supported hosts or targets.
7106 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7108 PR rtl-optimization/26725
7109 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7110 block's BB_DIRTY flag.
7112 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7114 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7117 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7118 to print an integer.
7120 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7122 * varasm.c (align_variable): New function.
7123 (get_block_for_decl): Apply align_variable to DECL before
7124 calculating section information.
7125 (assemble_variable): Split out alignment computation.
7127 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7129 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7132 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7134 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7135 MODE_PARTIAL_INT mode.
7136 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7137 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7139 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7140 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7142 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7144 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7146 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7147 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7148 MACFLAG_IH): Likewise.
7149 (movstricthi_1): Renamed from "*movstricthi".
7150 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7151 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7152 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7153 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7154 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7155 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7156 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7157 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7158 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7159 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7160 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7161 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7162 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7163 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7164 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7166 * doc/rtl.texi (ss_ashift): Improve wording.
7168 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7170 * dwarf2out.c (verify_marks_clear): New.
7171 (prune_unused_types): Call verify_marks_clear initially, not
7174 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7176 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7177 * doc/rtl.texi: Document them.
7178 * simplify-rtx.c (simplify_unary_operation,
7179 simplify_binary_operation_1): Don't abort when we see them.
7181 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7184 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7185 * configure.ac: Completely disregard languages that are not
7187 * configure: Regenerated.
7189 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7190 Richard Guenther <rguenther@suse.de>
7192 PR tree-optimization/27236
7193 * tree-inline.c (copy_body_r): Make sure to copy
7194 TREE_THIS_VOLATILE flag.
7196 2006-04-24 Richard Guenther <rguenther@suse.de>
7199 * tree-complex.c (update_parameter_components): Don't handle
7200 unused parameters which have no default def.
7202 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7203 Richard Guenther <rguenther@suse.de>
7205 PR tree-optimization/27218
7206 * tree-inline.c (expand_call_inline): Strip useless type
7207 conversions for the return slot address.
7209 2006-04-24 Richard Guenther <rguenther@suse.de>
7211 * cfgloop.h (struct loops): Remove unused field array. Reorder
7213 (LOOP_PREFETCH): Remove.
7215 2006-04-24 Richard Guenther <rguenther@suse.de>
7217 PR tree-optimization/22525
7218 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7219 variable, adjust types of generated expressions.
7221 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7223 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7224 (tree-vect-patterns.o): Likewise.
7226 (cselib.o): Likewise.
7227 (loop-doloop.o): Likewise.
7228 (regclass.o): Likewise.
7229 (reload1.o): Likewise.
7230 (explow.o): Replace target.h with $(TARGET_H).
7231 (ipa-prop.o): Likewise.
7232 (ipa-cp.o): Likewise.
7233 (ipa-inline.o): Likewise.
7234 (reorg.o): Likewise.
7235 (reg-stack.o): Likewise.
7237 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7239 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7241 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7243 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7245 * configure.ac: Completely disregard languages that are not
7247 * configure: Regenerated.
7250 * c-common.h (c_build_bitfield_integer_type): Declare.
7251 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7252 * c-common.c (c_build_bitfield_integer_type): ... here.
7254 2006-04-23 Roger Sayle <roger@eyesopen.com>
7257 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7258 a SImode SUBREG of a floating point register after no_new_pseudos.
7260 2006-04-23 Roger Sayle <roger@eyesopen.com>
7262 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7263 identify potentially eliminable registers to additionally catch
7264 VIRTUAL_INCOMING_ARGS_REGNUM.
7265 (addsi3): Update the conditions on when to use addsi_small_int.
7267 2006-04-23 Roger Sayle <roger@eyesopen.com>
7270 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7271 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7272 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7274 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7276 * fold-const.c (range_predecessor): Use operand_equal_p
7277 as the predicate for equality.
7278 (range_successor): Likewise.
7280 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7283 * config/soft-fp/op-common.h: Fix a typo.
7285 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7288 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7289 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7291 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7293 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7295 * doc/tm.texi: Fix a typo.
7297 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7299 * dwarf2out.c (struct die_struct): Document that die_sib makes
7300 a circular linked list.
7301 (FOR_EACH_CHILD): New.
7302 (reverse_die_lists): Delete.
7303 (reverse_all_dies): Delete.
7304 (add_dwarf_attr): Correct documentation.
7305 (remove_child_with_prev): New.
7306 (remove_child_TAG): Update for change to die_struct, use
7307 remove_child_with_prev.
7308 (add_child_die): Update for change to die_struct.
7309 (splice_child_die): Use remove_child_with_prev and add_child_die.
7310 (print_die): Use FOR_EACH_CHILD.
7311 (die_checksum): Likewise.
7312 (assign_symbol_names): Likewise.
7313 (output_location_lists): Likewise.
7314 (build_abbrev_table): Likewise.
7315 (calc_die_sizes): Likewise.
7316 (mark_dies): Likewise.
7317 (unmark_dies): Likewise.
7318 (unmark_all_dies): Likewise.
7319 (output_die): Likewise.
7320 (prune_unused_types_mark): Likewise.
7321 (prune_unused_types_walk): Likewise.
7322 (same_die_p): Update for change to die_struct.
7323 (break_out_includes): Likewise.
7324 (prune_unused_types_prune): Likewise.
7325 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7326 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7328 (dwarf2out_finish): Don't call reverse_all_dies.
7330 2006-04-21 Eric Christopher <echristo@apple.com>
7332 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7333 in comments and function names.
7335 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7338 * c-typeck.c (digest_init): Robustify.
7340 * c-typeck.c (pop_init_level): Simplify.
7342 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7344 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7346 2006-04-21 Paul Brook <paul@codesourcery.com>
7348 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7349 hardware floating point.
7351 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7353 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7356 2006-04-21 Nick Clifton <nickc@redhat.com>
7358 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7361 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7364 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7365 C++ lang type in traceback table for Objective-C++.
7367 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7369 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7371 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7373 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7376 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7377 were errors. Remove check for erroneous objects.
7379 2006-04-20 Jeff Law <law@redhat.com>
7381 PR tree-optimization/26854
7382 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7383 checking for zero or one use.
7384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7385 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7386 * tree-ssa-reassoc.c (negate_value): Similarly.
7387 (reassociate_bb): Similarly.
7389 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7391 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7392 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7393 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7395 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7397 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7398 fp regs if the last fp arg doesn't fit in regs.
7400 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7403 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7404 that the last insn has the REG_INC note.
7406 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7407 Nathan Sidwell <nathan@codesourcery.com>
7410 * stor-layout.c (update_alignment_for_field): Do not align
7412 (place_union_field): Place union field at the start of the union.
7413 (place_field): Move ERROR_MARK check later, and use the current
7414 allocation position to maintain monotonicity.
7416 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7418 * dominance.c: Include timevar.h.
7419 (calculate_dominance_info): Use TV_DOMINANCE.
7420 * timevar.def (TV_DOMINANCE): New timevar.
7421 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7423 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7425 PR rtl-optimization/14261
7426 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7427 move would be an INSV insn.
7428 (noce_process_if_block): Don't optimize if the destination is a
7429 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7431 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7433 * config/s390/s390.md: Add comments with the instructions emitted
7434 by an insn pattern if macros are used.
7436 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7438 PR rtl-optimization/26026
7439 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7440 is a known power of two shifted left a variable amount.
7442 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7444 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7445 to hash table twice when the debug_str section has SECTION_MERGE.
7447 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7449 * config/soft-fp: New directory. From glibc.
7450 * config/soft-fp/t-softfp: New.
7451 * config/soft-fp/README: New.
7452 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7453 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7454 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7455 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7456 * config.gcc: Use rs6000/t-fprules-fpbit or
7457 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7459 * config/rs6000/sfp-machine.h: New. Based on glibc.
7460 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7462 * config/rs6000/t-fprules: Remove fp-bit rules.
7463 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7464 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7465 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7466 (softfp_wrap_start, softfp_wrap_end): New.
7468 2006-04-18 DJ Delorie <dj@redhat.com>
7470 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7472 2006-04-18 Devang Patel <dpatel@apple.com>
7474 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7476 2006-04-18 Nick Clifton <nickc@redhat.com>
7478 * config/sh/t-symbian: Add rule to build sh-c.o
7479 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7480 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7481 (sh_symbian_encode_section_info): Likewise.
7483 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7485 * builtins.c (expand_builtin_strcmp): Cover label definition of
7486 do_libcall with HAVE_cmpstrnsi.
7488 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7490 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7492 * function.h (temp_slot_p): New.
7493 (function): Change the type of x_used_temp_slots to
7494 VEC(temp_slot_p,gc) *.
7496 2006-04-18 Nick Clifton <nickc@redhat.com>
7498 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7499 flag_strength_reduce.
7501 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7503 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7507 Partial revert of revision 112637
7508 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7509 Dale Johannesen <dalej@apple.com>
7512 * regclass.c (struct reg_pref): Update documentation.
7513 (regclass): Set prefclass to NO_REGS if memory is the best option.
7514 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7516 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7518 PR tree-optimization/26821
7519 * tree-ssa-math-opts.c (get_constant_one): New.
7520 (insert_reciprocals): Use it.
7522 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7524 * dwarf2out.c (free_AT): Delete.
7525 (remove_AT): Update string ref counts.
7526 (remove_child_TAG): Don't call free_die.
7528 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7529 or DW_TAG_GNU_EINCL.
7530 (prune_unused_types_walk_attribs): Reset string refcounts.
7531 (prune_unused_types_update_strings): New.
7532 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7533 call free_die. Do call prune_unused_types_update_strings.
7534 (prune_unused_types): Empty debug_str_hash.
7536 2006-04-17 Roger Sayle <roger@eyesopen.com>
7538 * expr.c (expand_assignment): Optimize away no-op moves where the
7539 source and destination are equal and have no side-effects.
7541 2006-04-17 Richard Guenther <rguenther@suse.de>
7544 * reload.c (push_reload): Guard calls to get_secondary_mem
7547 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7549 * alias.c (reg_base_value, old_reg_base_value): Change the
7550 type to VEC(rtx,gc) *.
7551 (REG_BASE_VALUE, find_base_value, record_set,
7552 init_alias_analysis): Use VEC instead of VARRAY.
7554 * alias.c (alias_sets): Change the type to
7555 VEC(alias_set_entry,gc) *.
7556 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7557 VEC instead of VARRAY.
7558 (last_alias_set): Remove.
7560 * cgraph.h (cgraph_edge_p): New.
7561 Update the prototype of cgraph_function_versioning.
7562 * cgraphunit.c (cgraph_copy_node_for_versioning,
7563 cgraph_function_versioning): Use VEC instead of VARRAY.
7564 * ipa-cp.c (ipcp_insert_stage): Likewise.
7566 2006-04-16 Roger Sayle <roger@eyesopen.com>
7569 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7570 "A op B" or "A op C", we may need to convert A to the type of B and C.
7572 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7574 * target.h (struct gcc_target): Add mode_rep_extended.
7575 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7576 (init_num_sign_bit_copies_in_rep): Initialize it using
7578 (truncate_to_mode): Use it.
7579 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7580 * targhooks.h (default_mode_rep_extended): Declare it.
7581 * targhooks.c (default_mode_rep_extended): Define it.
7582 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7583 default_mode_rep_extended.
7584 (TARGET_INITIALIZER): Include it.
7585 * doc/tm.texi (Misc): Document it.
7586 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7587 (mips_truncated_to_mode): New function.
7589 2006-04-16 Roger Sayle <roger@eyesopen.com>
7592 * expr.c (compress_float_constant): Copy the narrow constant into
7593 a new pseudo before extending it to its final width.
7595 2006-04-16 Roger Sayle <roger@eyesopen.com>
7596 Andrew Pinski <pinskia@gcc.gnu.org>
7597 Dale Johannesen <dalej@apple.com>
7600 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7601 special case code to implement V8HImode and V16QImode with SSE2.
7603 2006-04-15 Roger Sayle <roger@eyesopen.com>
7605 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7606 trees are constructed with a suitable tree type.
7608 2006-04-15 Roger Sayle <roger@eyesopen.com>
7610 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7611 (integer_onep): Likewise.
7612 (integer_all_onesp): Likewise.
7613 (integer_pow2p): Likewise.
7614 (integer_nonzerop): Likewise.
7615 (real_zerop): Likewise.
7616 (real_onep): Likewise.
7617 (real_twop): Likewise.
7618 (real_minus_onep): Likewise.
7619 (int_size_in_bytes): Likewise.
7620 (host_integerp): Likewise.
7622 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7624 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7625 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7626 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7628 * tree-ssa-structalias.h (alias_info): Remove num_references.
7630 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7632 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7633 (output_bvb patterns): Likewise.
7634 * pa.c (output_bb): Use 'bb' insn for long branch case.
7635 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7636 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7637 1. Correct length operand for alternatives 1 and 2.
7638 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7639 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7641 2006-04-14 Roger Sayle <roger@eyesopen.com>
7643 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7644 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7645 were accidentally reverted by r112959.
7647 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7650 * except.h (eh_region_outermost): New prototype.
7651 * except.c (eh_region_outermost): New function.
7652 * tree-cfg.c (find_outermost_region_in_block): Use it.
7654 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7656 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7658 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7659 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7660 (init_reload, reload): Use VEC instead of VARRAY.
7661 * reload.h: Update the prototype for
7662 reg_equiv_memory_loc_varray.
7664 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7665 Eric Botcazou <ebotcazou@libertysurf.fr>
7667 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7670 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7673 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7674 to expand fallback builtin function call.
7676 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7679 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7680 and emit libcall here in case the builtin fails.
7681 (expand_builtin_strcmp): Always emit the libcall here on failure.
7683 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7685 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7686 * flow.c (reg_n_info): Change the type to
7687 VEC(reg_info_p,heap) *.
7688 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7690 * regs.h (reg_info_p): New.
7691 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7692 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7693 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7696 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7698 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7700 * params.h (MAX_SCHED_READY_INSNS): New macro.
7701 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7702 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7703 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7704 the ready list for 1 cycle during the first scheduling pass.
7705 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7707 2006-04-13 Richard Henderson <rth@redhat.com>
7710 * gimple-low.c (lower_omp_directive): Remove dead code.
7711 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7712 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7713 * omp-low.c (struct omp_region): Move to tree-flow.h.
7714 (root_omp_region): Export.
7715 (omp_regions, lookup_omp_region): Remove.
7716 (determine_parallel_type): Update for struct omp_region changes.
7717 (dump_omp_region): Dump regions with block numbers.
7718 (new_omp_region): Take type and block instead of stmt; malloc
7720 (free_omp_region_1, free_omp_regions): New.
7721 (expand_parallel_call): Take entry_stmt as argument; update for
7722 changes to omp_region.
7723 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7724 (remove_exit_barriers): New.
7725 (expand_omp_parallel): Update for struct omp_region changes.
7726 (expand_omp_synch): Likewise.
7727 (expand_omp): Likewise.
7728 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7729 (expand_omp_for_static_chunk): Likewise.
7730 (expand_omp_for): Likewise.
7731 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7732 (expand_omp_sections): Similarly, with GOMP_sections_end.
7733 (expand_omp_single): New.
7734 (build_omp_regions_1): Update for OMP_CONTINUE.
7735 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7736 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7737 OMP_SECTIONS_SECTIONS.
7738 (lower_omp_single_simple): Don't emit barrier here.
7739 (lower_omp_single_copy): Likewise.
7740 (lower_omp_single): Fix bindings, and lower to straightline now.
7741 (lower_omp_master, lower_omp_ordered): Likewise.
7742 (lower_omp_critical): Likewise.
7743 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7744 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7745 omp edges, free it afterward.
7746 (make_omp_sections_edges): Remove.
7747 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7748 (move_stmt_r): Handle OMP_CONTINUE.
7749 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7750 statement pointers to basic blocks. Add type member.
7751 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7752 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7753 * tree-inline.c (estimate_num_insns_1): Likewise.
7754 * tree-pretty-print.c (dump_generic_node): Likewise.
7755 * tree-ssa-operands.c (get_expr_operands): Likewise.
7756 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7757 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7758 (OMP_CONTINUE): New.
7759 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7760 (OMP_SECTIONS_SECTIONS): Remove.
7761 (OMP_SECTION_LAST): New.
7762 (OMP_RETURN_NOWAIT): New.
7764 2006-04-13 Roger Sayle <roger@eyesopen.com>
7766 * fold-const.c (native_encode_vector, native_interpret_real):
7767 Correct obvious mistakes in the previous check-in.
7769 2006-04-13 Roger Sayle <roger@eyesopen.com>
7771 * fold-const.c (native_encode_expr): New function to encode
7772 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7773 or VECTOR_CST into a specified buffer.
7774 (native_encode_int): New function.
7775 (native_encode_real): New function.
7776 (native_encode_complex): New function.
7777 (native_encode_vector): New function.
7778 (native_interpret_expr): Inverse of native_encode_expr to convert
7779 a target representation into an INTEGER_CST, REAL_CST etc...
7780 (native_interpret_int): New function.
7781 (native_interpret_real): New function.
7782 (native_interpret_complex): New function.
7783 (native_interpret_vector): New function.
7784 (fold_view_convert_expr): New function to constant fold/evaluate
7785 a VIEW_CONVERT_EXPR of a suitable constant expression.
7786 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7787 Change call of build1 to fold_build1 when constructing a
7790 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7791 Ulrich Weigand <uweigand@de.ibm.com>
7794 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7797 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7800 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7801 optimize to lo_sum for DFmode if !TARGET_FPRS.
7803 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7805 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7806 delete_alias_info, compute_flow_sensitive_aliasing,
7807 group_aliases): Use VEC instead of VARRAY.
7808 * tree-ssa-structalias.c (update_alias_info): Likewise.
7809 * tree-ssa-structalias.h (alias_info): Change the type of
7810 processed_ptrs to VEC(tree,heap) *.
7812 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7815 * config/sh/lib1funcs.h: New file, broken out of:
7816 * config/sh/lib1funcs.asm.
7817 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7819 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7820 * config/sh/lib1funcs-Os-4-200.asm: New file.
7821 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7822 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7823 (EXTRA_MULTILIB_PARTS): Include it.
7824 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7825 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7826 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7827 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7830 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7832 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7833 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7834 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7836 * tree-ssa-live.h: Include vecprim.h.
7837 (tree_partition_associator_d): Change the type of
7838 first_partition to VEC(int,heap) *.
7839 (tpa_first_partition): Use VEC instead of VARRAY.
7841 * Makefile.in (GTFILES): Move functions.h after tree.h.
7842 * function.c (reset_block_changes, record_block_change,
7843 check_block_change, free_block_changes): Use VEC instead of
7845 * function.h (function): Change the type of
7846 ib_boundaries_block to VEC(tree,gc) *.
7847 * tree-inline.c (copy_cfg_body): Initialize
7848 ib_boundaries_block to NULL instead of (varray_type) 0.
7850 2006-04-12 Roger Sayle <roger@eyesopen.com>
7852 * expr.c (emit_group_store): Correct operand order in call to
7853 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7854 a SUBREG_BYTE of zero.
7856 2006-04-12 Richard Guenther <rguenther@suse.de>
7858 * profile.c (compute_branch_probabilities): Remove code
7859 encapsulated in !ir_type (), which are remanents of the
7860 removed RTL profiling code.
7861 * rtl-profile.c: Remove.
7863 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7865 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7866 magic NULL_RTX comment.
7867 (function_arg): Store entire fp arg to mem if any part should go
7869 (rs6000_arg_partial_bytes): Adjust for above change.
7871 2006-04-11 Roger Sayle <roger@eyesopen.com>
7873 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7874 if it hasn't been initialized by dwarf2out_init.
7876 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7878 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7879 symbolic constants in branch patterns.
7881 2006-04-11 Roger Sayle <roger@eyesopen.com>
7883 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7885 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7887 PR rtl-optimization/27073
7888 * gcse.c (try_replace_reg): Revert last change. Continue to search
7889 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7892 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7894 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7895 aggregate types other than record and union types.
7896 (function_arg): Likewise.
7897 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7899 (function_value): In 64-bit mode, return objects that require it
7902 2006-04-11 Roger Sayle <roger@eyesopen.com>
7904 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7906 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7908 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7910 2006-04-03 Jeff Law <law@redhat.com>
7913 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7914 alias information too.
7916 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7918 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7920 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7923 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7924 (premark_used_types_helper): New.
7925 (premark_used_types): New.
7926 (gen_subprogram_die): Call premark_used_types.
7927 (prune_unused_types_walk): Do not prune perennial dies.
7928 * function.c (used_types_insert): New.
7929 * function.h (struct function): Add used_types_hash field.
7930 (used_types_insert): Add prototype.
7931 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7932 * c-parser.c (c_parser_cast_expression): Save casted types in used
7935 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7938 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7939 rs6000_explicit_options.float_gprs.
7941 2006-04-10 Roger Sayle <roger@eyesopen.com>
7943 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7944 from ix86_expand_vector_init_low_nonzero. Take an additional
7945 one_var argument indicating which element is non-zero. Support
7946 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7947 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7948 with one_var instead of ix86_expand_vector_init_low_nonzero.
7950 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7952 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7953 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7954 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7955 build/genextract.o): Depend on vecprim.h.
7956 * cfglayout.c, df-problems.c, function.c, genextract.c,
7957 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7958 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7962 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7964 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7965 Declare VECs of this type.
7966 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7967 (remove_children): Delete.
7968 (add_dwarf_attr): Use VEC routines.
7969 (add_AT_flag): Update for changes to add_dwarf_attr.
7970 (add_AT_int): Likewise.
7971 (add_AT_unsigned): Likewise.
7972 (add_AT_long_long): Likewise.
7973 (add_AT_vec): Likewise.
7974 (add_AT_string): Likewise.
7975 (add_AT_die_ref): Likewise.
7976 (add_AT_fde_ref): Likewise.
7977 (add_AT_loc): Likewise.
7978 (add_AT_loc_list): Likewise.
7979 (add_AT_addr): Likewise.
7980 (add_AT_lbl_id): Likewise.
7981 (add_AT_lineptr): Likewise.
7982 (add_AT_macptr): Likewise.
7983 (add_AT_offset): Likewise.
7984 (add_AT_range_list): Likewise.
7985 (get_AT): Use VEC_iterate.
7986 (remove_AT): Use VEC_ordered_remove.
7987 (free_die): Fold remove_children into here; have it use VEC_iterate.
7988 (print_die): Use VEC_iterate on attrs.
7989 (reverse_die_lists): Don't reverse attr lists.
7990 (die_checksum): Use VEC_iterate on attrs.
7991 (same_die_p): Likewise.
7992 (output_location_lists): Likewise.
7993 (build_abbrev_table): Likewise.
7994 (size_of_die): Likewise.
7995 (unmark_all_dies): Likewise.
7996 (output_abbrev_section): Likewise.
7997 (output_die): Likewise.
7998 (prune_unused_types_walk_attribs): Likewise.
8000 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8002 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8004 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8007 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8009 2006-04-09 Roger Sayle <roger@eyesopen.com>
8011 * expr.c (store_constructor): Don't bother clearing target if
8012 we're about to assign a vector to it using vec_init_optab.
8014 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8016 * tree-ssa-alias.c (lhs_may_store_to): New function.
8017 (recalculate_used_alone): Handle LHS of calls.
8019 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8023 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8024 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8025 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8026 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8027 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8028 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8029 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8030 stubs. Add ".align 8" directives before all ".dword" directives.
8031 (GTHREAD_USE_WEAK): Revise comment.
8032 (TARGET_ATTRIBUTE_WEAK): Define.
8033 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8034 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8035 * stublib.c: New file.
8040 * pa.md (cbranch patterns): Revise arguments used in calls to
8041 output_cbranch, output_bb and output_bvd. Add long branch length
8043 (fbranch patterns): Handle long branches.
8044 (jump): Revise length check. Revise arguments for output_lbranch call.
8045 Add long branch length attributes.
8046 (decrement_and_branch_until_zero): Add long branch length attributes.
8047 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8048 Likewise. Revise arguments for output_parallel_addb and
8049 output_parallel_movb calls.
8050 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8051 output_parallel_movb and output_parallel_addb): Update prototypes.
8052 * pa.c (output_cbranch): Revise arguments. Correct handling of
8053 nullification in long branches.
8054 (output_lbranch): Add new argument to control extraction of delay
8056 (output_bb): Handle long branches.
8057 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8058 output_parallel_addb): Likewise.
8060 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8062 PR rtl-optimization/27073
8063 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8066 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8068 * tree.h (tree_memory_tag): Add old_used_alone.
8069 (SMT_OLD_USED_ALONE): New macro.
8070 * tree-ssa-alias.c (recalculate_used_alone): Stop
8071 marking things for renaming unnecessarily.
8073 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8075 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8076 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8077 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8078 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8079 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8080 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8081 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8082 spelling convensions.
8083 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8084 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8085 typos. Follow spelling conventions.
8087 2006-04-07 DJ Delorie <dj@redhat.com>
8089 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8090 passed on the stack.
8091 (m32c_init_cumulative_args): When a function returns a structure,
8092 always pass the pointer to that return area on the stack.
8093 (m32c_function_arg_advance): Don't increment the parameter number
8094 if we're processing the returned structure pointer.
8095 (pushm_info): Reverse order of registers.
8097 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8099 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8100 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8101 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8102 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8104 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8105 chrec_fold_multiply): Same.
8106 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8107 force_expr_to_var_cost): Same.
8108 * tree-mudflap.c (mf_xform_derefs_1): Same.
8109 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8111 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8113 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8114 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8117 2006-04-07 Jan Hubicka <jh@suse.cz>
8119 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8121 2006-04-07 Richard Guenther <rguenther@suse.de>
8123 PR tree-optimization/26135
8124 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8125 loads for store copy-prop.
8126 (copy_prop_visit_stmt): Likewise.
8128 2006-04-05 Robert Millan <robertmh@gnu.org>
8130 * config/i386/linux.h: Add a comment to mark macros that are
8131 being overriden in config/k*bsd-gnu.h.
8132 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8134 * config/knetbsd-gnu.h: Ditto.
8136 2006-04-06 Jan Hubicka <jh@suse.cz>
8140 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8143 2006-04-06 Mike Stump <mrs@apple.com>
8145 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8146 for HAVE_nonlocal_goto to be consistent.
8147 (expand_builtin_nonlocal_goto): Likewise.
8148 (expand_builtin_strcmp): Use #ifdef instead of #if
8149 for HAVE_cmpstrnsi to be consistent.
8151 2006-04-05 DJ Delorie <dj@redhat.com>
8153 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8156 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8158 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8159 got-relative addressing for anything but SImode.
8161 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8162 even if the calling function doesn't modify them.
8164 2006-04-05 Richard Guenther <rguenther@suse.de>
8166 PR tree-optimization/26919
8167 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8168 to cgraph_estimate_size_after_inlining.
8170 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8172 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8174 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8176 PR tree-optimization/26996
8177 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8178 VECTOR_TYPE variables.
8180 2006-04-05 Richard Guenther <rguenther@suse.de>
8182 PR tree-optimization/26763
8183 * fold-const.c (fold_comparison): Move folding of
8184 PTR + CST CMP PTR + CST ...
8185 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8187 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8189 * doc/install.texi (Prerequisites): Refine some wording on
8190 bootstrapping and ksh.
8191 Move the version numbers of DejaGnu here from the testing section
8192 and fix casing of names.
8193 Fix markup and clarify wording for autogen requirements.
8194 Refer to GCJ instead of just java.
8195 Refer to SVN instead of CVS.
8196 Describe diffutils as useful instead of necessary.
8197 (Downloading the source): Refer to SVN instead of CVS.
8198 Adjust a link to our web site accordingly.
8199 (Configuration): Fix casing of Bison.
8200 (Building): Refer to SVN instead of CVS.
8201 Fix a sentence on the use of Bison and remove duplicate (and
8202 incorrect) version number of Bison requirement.
8203 Remove one redundant list of packages needed for building.
8204 (Specific): Avoid reference to CVS.
8206 2006-04-04 Eric Christopher <echristo@apple.com>
8208 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8209 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8210 (rs6000_handle_struct_attribute): New.
8211 (rs6000_ms_bitfield_layout_p): Ditto.
8213 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8215 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8216 NULL for dso parameter to atexit_common.
8218 2006-04-04 Eric Christopher <echristo@apple.com>
8220 * config/i386/i386.c (machopic_output_stub): Output \t
8221 between instructions and operands.
8223 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8225 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8226 satisfies_constraint_[IL] to explicit tests on value.
8228 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8230 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8231 set_nb_iterations_in_loop): Use build_int_cst instead of
8233 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8234 build_int_cst instead of convert.
8236 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8238 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8239 new value 2 for incoming.
8240 * function.c (expand_function_start): Call struct_value_rtx
8242 * config/sparc/sparc.md: Comment updated_return.
8243 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8244 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8245 struct return if sparc_std_struct_return and incoming is 2.
8246 (print_operand): Do not adjust return if
8247 sparc_std_struct_return.
8249 2006-04-04 Roger Sayle <roger@eyesopen.com>
8251 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8252 convert in the middle-end.
8253 * expr.c (store_expr, store_constructor, get_inner_reference,
8254 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8256 * tree.c (build_range_type): Likewise.
8258 2006-04-04 Tom Tromey <tromey@redhat.com>
8260 * doc/install.texi (Prerequisites): Mention jar.
8262 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8264 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8267 2006-04-04 Matthias Klose <doko@debian.org>
8269 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8273 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8276 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8278 * doc/extend.texi (Function Attributes): Rewrite visibility
8279 attribute documentation.
8280 * doc/invoke.texi (C++ Dialect Options): Rewrite
8281 -fvisibility-inlines-hidden documentation to describe something
8282 entirely different, although in practise compatible.
8283 (Code Gen Options): Warn about system headers in -fvisibility=
8286 * doc/extend.texi (Other Builtins): Document that
8287 __builtin_nan is a compile-time constant only when its argument
8290 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8292 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8293 trying to remove TRUNCATE check if all bits outside the new mode
8294 are identical to the sign bit.
8296 2006-04-03 Jeff Law <law@redhat.com>
8298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8299 and operand scanning in some common cases.
8301 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8302 Dale Johannesen <dalej@apple.com>
8305 * regclass.c (struct reg_pref): Update documentation.
8306 (regclass): Set prefclass to NO_REGS if memory is the best option.
8307 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8308 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8309 into account. For non-registers, equate an empty preferred
8310 reload class to a `!' in the constraint; move the if clause to
8311 do so after those that reject the insn.
8312 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8314 (find_dummy_reload): Likewise.
8315 * doc/tm.texi (Register Classes): Document what it means
8316 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8317 * config/i386/i386.c (ix86_preferred_reload_class): Force
8318 using SSE registers (and return NO_REGS for floating-point
8319 constants) if math is done with SSE.
8320 (ix86_preferred_output_reload_class): New.
8321 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8322 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8323 * config/i386/i386.md: Remove # register preferences.
8325 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8328 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8329 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8330 the type of nb_iter.
8331 (instantiate_parameters_1): Convert the operands before calling
8332 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8333 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8335 2006-04-02 Roger Sayle <roger@eyesopen.com>
8337 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8338 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8340 * dojump.c (do_jump): Likewise.
8341 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8342 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8343 gimplify_boolean_expr): Likewise.
8344 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8345 * varasm.c (array_size_for_constructor): Likewise.
8346 * tree-object-size.c (compute_object_offset): Likewise.
8348 2006-04-02 Roger Sayle <roger@eyesopen.com>
8351 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8352 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8354 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8356 PR tree-optimization/26939
8357 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8361 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8362 at_stmt. Convert the type of operands before calling
8363 build_polynomial_chrec.
8364 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8366 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8367 (instantiate_parameters_1): Convert the type of operands before calling
8368 build_polynomial_chrec.
8369 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8370 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8371 reset_evolution_in_loop): Insert asserts to check the types of the
8373 (chrec_type): Moved...
8374 (eq_evolutions_p): Use operand_equal_p.
8375 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8376 the types of the operands.
8377 (chrec_type): ...here.
8378 * tree-data-ref.c (create_data_ref): Convert the operands before
8379 calling chrec_replace_initial_condition.
8380 (same_access_functions, analyze_subscript_affine_affine,
8381 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8382 (compute_subscript_distance, analyze_ziv_subscript,
8383 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8384 analyze_miv_subscript): Convert the operands before calling
8385 chrec_fold_minus or chrec_fold_plus.
8387 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8389 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8390 the dependence_relations vector.
8391 (compute_data_dependences_for_loop): Adjust call to
8392 compute_all_dependences.
8394 2006-04-01 Roger Sayle <roger@eyesopen.com>
8395 Richard Henderson <rth@redhat.com>
8397 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8398 gimple_boolify on the condition before calling gimplify_expr.
8400 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8402 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8403 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8404 the frame size. Update to use the new macros.
8405 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8406 * config/xtensa/ieee754-df.S: Likewise.
8408 2006-03-31 Richard Henderson <rth@redhat.com>
8410 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8411 (make_edges): ... here. Control fallthru creation with a local
8412 variable. Do not play with fake edges.
8413 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8414 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8417 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8419 * dwarf2.h (DW64_CIE_ID): Define.
8420 * dwarf2out.c (DWARF_CIE_ID): Define.
8421 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8422 length header. Use DWARF_CIE_ID.
8423 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8424 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8426 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8428 * config/sh/linux-atomic.asm: New file.
8429 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8431 2006-03-31 DJ Delorie <dj@redhat.com>
8433 * config/m32c/cond.md: Set condition flags properly throughout.
8434 * config/m32c/minmax.md: Likewise.
8435 * config/m32c/prologue.md: Likewise.
8436 * config/m32c/bitops.md: Likewise.
8437 * config/m32c/muldiv.md: Likewise.
8438 * config/m32c/mov.md: Likewise.
8439 * config/m32c/addsub.md: Likewise.
8440 * config/m32c/m32c.md: Likewise.
8441 * config/m32c/jump.md: Likewise.
8442 * config/m32c/shift.md: Likewise.
8444 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8445 conditionally output the pattern for this.
8446 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8447 (m32c_compare_redundant): New.
8448 (m32c_output_compare): New.
8449 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8451 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8452 dest, not src. Allow other 4-byte modes.
8454 2006-03-30 Denis Chertykov <denisc@overta.ru>
8456 * doc/md.texi: Refer to avr/constraints.md instead of
8459 2006-03-30 Roger Sayle <roger@eyesopen.com>
8461 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8462 signed vs. unsigned comparison failures on some hosts.
8464 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8467 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8468 change to FLOAT_REGS.
8470 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8471 (rs6000_override_options): Use it.
8472 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8473 only for -mabi=spe/no-spe and -mabi=altivec.
8475 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8477 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8480 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8482 * Makefile.in: Rename docdir to gcc_docdir.
8484 2006-03-30 Roger Sayle <roger@eyesopen.com>
8487 * expr.c (emit_group_store): Optimize group stores into a pseudo
8488 register by using a paradoxical subreg to initialize the destination
8489 if the first or last member of the group specifies a "low part".
8491 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8494 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8495 * target.h (struct gcc_target.speculate_insn): Change type of the
8496 second parameter to 'int'.
8497 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8498 the second operand of the DEPS_LIST.
8499 (copy_DEPS_LIST_list): Update reference to the second operand of the
8501 * rtl.h (alloc_DEPS_LIST): Update signature.
8502 * sched-int.h (ds_t): Change typedef to 'int'.
8503 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8505 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8507 * haifa-sched.c (try_ready): Change condition to restore
8508 non-speculative pattern of the instruction.
8509 (process_insn_depend_be_in_spec): Code to keep probability of the
8510 speculative dependence non-decreasing.
8512 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8514 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8515 (single_move_for_movmem): ... this. Also change all uses.
8516 (bfin_expand_strmov): Renamed to...
8517 (bfin_expand_movmem): ... this. Also change all uses.
8518 * config/bfin/bfin.md (movstrsi): Renamed to...
8519 (movstrsi): ...this.
8521 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8523 PR tree-optimization/26830
8525 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8526 (copy_prop_visit_stmt): Remove write-only variable ann.
8527 (init_copy_prop): Check variable loop depth here. Do not simulate
8528 memory-tag and virtual operand PHIs except for store copy prop.
8530 2006-03-30 Richard Guenther <rguenther@suse.de>
8532 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8533 variants with double arguments.
8535 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8537 * genpreds.c (write_tm_constrs_h): Delete variable p.
8538 * genconditions.c (write_header): Add tm-constrs.h to included
8540 * genpeep.c (main): Add toplev.h to included headers.
8541 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8542 (build/genpeep.o): Add toplev.h dependency.
8543 * config/rs6000/constraints.md: Add "W" constraint.
8545 2006-03-29 Roger Sayle <roger@eyesopen.com>
8547 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8548 sizes by correctly testing whether the size fits a host integer.
8549 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8550 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8551 SImode range for the default sizetype and bitsizetype.
8553 2006-03-29 Roger Sayle <roger@eyesopen.com>
8555 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8556 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8557 quickly if the argument is already of the correct type.
8558 Call fold_build1 instead of build1. Tidy up blank lines.
8560 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8562 * genemit.c (main): Add tm-constrs.h to included headers.
8563 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8564 * genpeep.c (main): Add tm-constrs.h to included headers.
8565 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8566 (write_tm_constrs_h): this and write complete file.
8567 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8568 (write_insn_preds_c): Add tm-constrs.h to included headers.
8569 (gen_constrs): New variable.
8570 (parse_option): Parse "-c".
8571 (main): Invoke write_tm_constrs_h.
8572 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8573 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8574 (object_out_file): Add tm-constrs.h dependency.
8575 (insn-emit.o): Same.
8576 (insn-output.o): Same.
8577 (insn-peep.o): Same.
8578 (insn-preds.o): Same.
8579 (insn-recog.o): Same.
8580 (tm-constsr.h): New target.
8581 (s-constrs-h): New target.
8583 * config/rs6000/constraints.md: New file.
8584 * config/rs6000/rs6000.c: Include tm-constrs.h.
8585 (num_insn_constant_wide): Convert to satisfies_constraint.
8586 (rs6000_rtx_costs): Convert to satisfies_constraint.
8587 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8588 (CONST_OK_FOR_LETTER_P): Delete.
8589 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8590 (EXTRA_CONSTRAINT): Delete.
8591 (EXTRA_MEMORY_CONSTRAINT): Delete.
8592 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8593 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8594 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8595 satisfies_constraint.
8597 * config/i386/i386.c: Include tm-constrs.h.
8599 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8601 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8602 * tree-data-ref.c (find_data_references_in_loop,
8603 compute_data_dependences_for_loop): Use pointers to VEC.
8604 (analyze_all_data_dependences): Adjust calls.
8605 * tree-data-ref.h (find_data_references_in_loop,
8606 compute_data_dependences_for_loop): Adjust declarations.
8607 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8608 compute_data_dependences_for_loop.
8610 2006-03-29 Paul Brook <paul@codesourcery.com>
8612 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8615 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8617 PR tree-optimization/26859
8618 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8620 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8621 for the step after fold_convert.
8623 2006-03-29 Paul Brook <paul@codesourcery.com>
8625 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8626 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8628 2006-03-29 Paul Brook <paul@codesourcery.com>
8631 * targhooks.c (default_narrow_bitfield): New fuction.
8632 * targhooks.h (default_narrow_bitfield): add prototype.
8633 * target.h (gcc_target): Add narrow_volatile_bitfield.
8634 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8635 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8636 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8637 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8639 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8641 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8643 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8644 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8645 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8646 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8647 (s390_function_arg_float): Allow SDmode and DDmode values to be
8648 passed in floating point registers.
8649 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8650 check with SCALAR_FLOAT_MODE_P.
8651 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8653 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8655 PR tree-optimization/25985
8656 * tree-ssa-loop-niter.c (number_of_iterations_le,
8657 number_of_iterations_ne): Make comments more precise.
8658 (number_of_iterations_cond): Add only_exit argument. Use the
8659 fact that signed variables do not overflow only when only_exit
8661 (loop_only_exit_p): New.
8662 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8663 number_of_iterations_cond.
8665 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8667 PR tree-optimization/26643
8668 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8671 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8673 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8674 (divsi3_i4_int): Likewise.
8676 2006-03-28 Roger Sayle <roger@eyesopen.com>
8678 * expr.c (emit_group_store): Only create a new pseudo reg if the
8679 quantity it needs to hold isn't already a suitable pseudo.
8681 2006-03-28 Jeff Law <law@redhat.com>
8683 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8684 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8686 2006-03-28 Roger Sayle <roger@eyesopen.com>
8688 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8689 the equivalent ~X & Y, and the symmetry related transformations.
8690 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8691 ~X & Y, and symmetry related transforms.
8693 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8695 Revert my 2006-03-27 patches.
8697 2006-03-28 Roger Sayle <roger@eyesopen.com>
8699 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8700 ~(T1)X, when T1 and T2 are integer types of the same precision
8701 and (T2)X isn't an extension.
8703 2006-03-28 Jeff Law <law@redhat.com>
8705 PR tree-optimization/26796
8706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8707 need EH edge cleanups rather than purging them immediately.
8708 (eliminate_degenerate_phis): Handle queued EH cleanups.
8710 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8712 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8715 2006-03-27 Roger Sayle <roger@eyesopen.com>
8718 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8719 cast BIT_NOT_EXPR operand to the correct type.
8721 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8723 * tree-loop-linear.c: Don't include varray.h.
8724 (gather_interchange_stats, try_interchange_loops,
8725 linear_transform_loops): Use VEC instead of VARRAY.
8726 * lambda-mat.c: Don't include varray.h.
8727 * tree-chrec.c: Same.
8728 * lambda-trans.c: Same.
8729 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8730 VEC instead of VARRAY.
8731 * tree-vectorizer.h: Idem.
8732 * tree-data-ref.c (dump_data_references,
8733 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8734 initialize_data_dependence_relation, finalize_ddr_dependent,
8735 compute_all_dependences, find_data_references_in_loop,
8736 compute_data_dependences_for_loop, analyze_all_data_dependences,
8737 free_dependence_relation, free_dependence_relations,
8738 free_data_refs): Idem.
8739 * tree-data-ref.h (data_reference_p, subscript_p): New.
8740 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8741 VEC instead of VARRAY.
8742 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8743 (find_data_references_in_loop, compute_data_dependences_for_loop,
8744 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8745 dump_data_dependence_relations, free_dependence_relations,
8746 free_data_refs): Adjust declaration.
8747 (lambda_transform_legal_p): Move declaration here...
8748 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8749 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8750 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8751 vect_analyze_data_refs): Use VEC instead of VARRAY.
8752 * lambda.h (lambda_transform_legal_p): ...from here.
8753 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8754 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8755 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8756 tree-chrec.o): Don't depend on VARRAY_H.
8758 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8760 * rtl.def (Copyright): Update date.
8761 (DEPS_LIST): Change type of the second operand to 'int'.
8762 * target.h (Copyright): Update date.
8763 (struct gcc_target.speculate_insn): Change type of the second parameter
8765 * lists.c (Copyright): Update date.
8766 (alloc_DEPS_LIST): Change signature. Update reference to the second
8767 operand of the DEPS_LIST.
8768 (copy_DEPS_LIST_list): Update reference to the second operand of the
8770 * rtl.h (Copyright): Update date.
8771 (alloc_DEPS_LIST): Update signature.
8772 * sched-int.h (Copyright): Update date.
8773 (ds_t): Change typedef to 'int'.
8774 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8776 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8778 * haifa-sched.c (Copyright): Update date.
8779 (try_ready): Change condition to restore non-speculative pattern
8781 (process_insn_depend_be_in_spec): Code to keep probability of the
8782 speculative dependence non-decreasing.
8784 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8786 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8787 shut up the compiler.
8789 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8791 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8792 to use lib prefix for target.
8793 ($(T)libic_invalidate_array_4-200.a): Likewise.
8794 ($(T)libic_invalidate_array_4a.a): Likewise.
8796 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8797 J"orn Rennecke <joern.rennecke@st.com>
8799 * superh.opt: New file.
8800 * sh.c (boardtype, osruntime): Remove.
8801 * superh.h (SUBTARGET_OPTIONS): Remove.
8802 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8804 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8805 arguments with ^ and/or [].
8807 * config.gcc (sh-*-*): Add quoting to account for quirk of
8809 Replace == with = in enable_incomplete_targets test.
8811 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8812 with MASK_LITTLE_ENDIAN.
8814 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8815 * config/sh/sh.opt: Added to some comments.
8816 * config/sh/superh.h: Removed some chaff.
8818 * config/sh/sh.opt: Add m4-[1234]00* options.
8819 * config/sh/sh.c (sh_handle_option): Likewise.
8820 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8821 (ic_invalidate_array_4-100.o): New rule.
8822 ($(T)libic_invalidate_array_4-100.a): Likewise.
8823 (ic_invalidate_array_4-200.o): Likewise.
8824 ($(T)libic_invalidate_array_4-200.a): Likewise.
8825 (ic_invalidate_array_4a.o): Likewise.
8826 ($(T)libic_invalidate_array_4a.a): Likewise.
8827 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8828 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8830 * config/sh/crt1.asm: Merged in profiling code.
8831 * config/sh/superh.h (STARTFILE_SPEC): Override.
8832 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8833 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8834 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8836 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8837 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8838 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8840 * sh.opt (mpretend-cmove): New option.
8841 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8842 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8843 (movsicc): Add TARGET_PRETEND_CMOVE code.
8845 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8847 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8848 s390_class_max_nregs): New function prototypes.
8849 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8850 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8851 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8852 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8854 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8856 * dwarf2out.c (add_location_or_const_value_attribute): Call
8857 tree_add_const_value_attribute if nothing else works.
8858 (reference_to_unused): New.
8859 (rtl_for_decl_init): Use reference_to_unused to decide whether
8860 to output an initializer.
8862 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8865 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8866 peephole removing spe frob_di_df_2.
8868 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8870 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8871 (subscript_dependence_tester_1): Declared.
8872 (print_dir_vectors, print_dist_vectors): New.
8873 (debug_data_dependence_relation): New.
8874 (dump_data_dependence_relation): Print more details.
8875 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8876 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8877 (save_dist_v, save_dir_v, add_outer_distances,
8878 build_classic_dist_vector_1): New.
8879 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8880 Don't test for lambda_vector_lexico_pos.
8881 (same_access_functions, add_multivariate_self_dist,
8882 add_other_self_distances, dir_from_dist): New.
8883 (build_classic_dir_vector): Replace implementation almost identical to
8884 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8886 (subscript_dependence_tester_1): New.
8887 (subscript_dependence_tester): Handle the lexicographically negative
8888 distance vectors by recomputing the dependence relation.
8889 (compute_affine_dependence): Remove parameter loop_nest_depth.
8890 (compute_self_dependence): Don't call compute_subscript_distance.
8891 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8892 Add a parameter for the loop_nest.
8893 (find_loop_nest_1, find_loop_nest): New.
8894 (compute_data_dependences_for_loop): Compute the loop nest, and give
8895 up if the nest is not well formed.
8896 * tree-data-ref.h (loop_p): New.
8897 (struct data_dependence_relation): Replace size_vect field with
8898 loop_nest, a vec of loops.
8899 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8900 (DDR_LOOP_NEST): New.
8901 (print_dir_vectors, print_dist_vectors,
8902 debug_data_dependence_relation): Declared.
8903 (index_in_loop_nest): New.
8904 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8905 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8908 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8910 * simplify-rtx.c (simplify_relational_operation): Call
8911 simplify_relational_operation_1 even if mode is VOIDmode.
8913 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8915 PR tree-optimization/26804
8916 * tree.h (DECL_CALL_CLOBBERED): New macro.
8917 (tree_decl_common): Add call_clobbered_flag.
8918 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8919 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8920 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8921 (mark_non_addressable): Ditto.
8922 * tree-ssa.c (verify_call_clobbered): New function.
8923 (verify_alias_info): Use it.
8924 * tree-pass.h (pass_reset_cc_flags): New prototype.
8925 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8926 (reset_cc_flags): New function.
8927 * passes.c (init_optimization_passes): Call reset_cc_flags after
8928 initializing referenced_vars.
8930 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8931 Roger Sayle <roger@eyesopen.com>
8934 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8935 to 1.0 for non-real operands. Implement A / A optimization for
8938 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8940 * config/i386/i386.c (size_cost): Correct the comment for
8941 cost of storing fp registers.
8942 (i386_cost): Likewise.
8943 (i486_cost): Likewise.
8944 (pentium_cost): Likewise.
8945 (pentiumpro_cost): Likewise.
8946 (k6_cost): Likewise.
8947 (athlon_cost): Likewise.
8948 (k8_cost): Likewise.
8949 (pentium4_cost): Likewise.
8950 (nocona_cost): Likewise.
8951 (generic64_cost): Likewise.
8952 (generic32_cost): Likewise.
8954 2006-03-24 Denis Chertykov <denisc@overta.ru>
8956 * config/avr/avr-protos.h (extra_constraint): Delete.
8957 (extra_constraint_Q): New declaration.
8958 * config/avr/constraints.md: New file.
8959 * config/avr/avr.md: Include it.
8960 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8961 (TMP_REGNO, ZERO_REGNO): Likewise.
8962 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8963 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8964 (extra_constraint): Delete.
8965 (extra_constraint_Q): Test for memory constraint 'Q'.
8966 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8967 (REG_CLASS_FROM_LETTER): Delete.
8968 (CONST_OK_FOR_LETTER_P): Delete.
8969 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8970 (EXTRA_CONSTRAINT): Delete.
8971 (TMP_REGNO): Delete.
8972 (ZERO_REGNO): Delete.
8974 2006-03-24 Jeff Law <law@redhat.com>
8976 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8977 directly. Call mark_new_vars_to_rename slightly earlier.
8979 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8981 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8983 (gen_compile_unit_die): Use new language types for Objective-C and
8985 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8986 DW_LANG_C_plus_plus.
8989 * config/t-darwin (crt3.o): Work around bug 26840.
8990 * config/darwin-crt3.c: Rewrite.
8991 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8993 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8995 * doc/invoke.texi: Document -femit-class-debug-always
8996 * common.opt: Add -femit-class-debug-always.
8998 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9000 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9001 index and base register.
9002 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9003 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9004 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9005 REGNO_OK_FOR_INDEX_P.
9006 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9008 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9009 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9010 REG_OK_FOR_BASE_P): Definitions removed.
9012 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9015 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9016 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9017 set yet or weren't marked as local yet.
9019 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9021 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9024 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9026 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9027 (rs6000_legitimate_small_data_p): Delete.
9028 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9029 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9030 and make static. Add forward declaration. Update uses.
9031 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9032 of offsettable_memref_p.
9033 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9034 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9036 2006-03-24 Jeff Law <law@redhat.com>
9038 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9039 around bug in immediate-use iterator.
9041 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9044 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9045 or __LITTLE_ENDIAN__.
9047 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9049 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9050 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9051 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9052 * config/sh/sh.opt (mdiv=): Amend description.
9053 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9054 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9055 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9056 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9057 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9058 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9059 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9060 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9061 TARGET_DIVIDE_CALL_FP.
9063 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9065 * haifa-sched.c (choose_ready): Fix type of the local variable.
9066 Move local variables. Add comment.
9067 (check_reg_live): Change signature. Make callable from debugger.
9068 * sched-int.h (check_reg_live): Update signature.
9069 * sched-ebb.c (check_reg_live): Update parameters.
9070 * sched-rgn.c (check_reg_live): Ditto.
9071 (region_head_or_leaf_p): Check pointer before dereferencing.
9072 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9073 before reload on optimization levels below 1.
9075 2006-03-23 Richard Henderson <rth@redhat.com>
9077 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9081 * config/alpha/predicates.md (local_symbolic_operand): Reject
9084 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9087 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9088 expressions which have overflowed constants.
9090 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9092 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9094 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9096 * cfgloopmanip.c (create_loop_notes): Removed.
9097 * final.c (final_scan_insn): Do not handle loop notes.
9098 * jump.c (squeeze_notes): Ditto.
9099 * cfglayout.c (skip_insns_after_block,
9100 duplicate_insn_chain): Ditto.
9101 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9103 * cfgloop.h (create_loop_notes): Declaration removed.
9105 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9107 * varasm.c (output_constant_pool): Restore fnname and fndecl
9109 (assemble_start_function): Adjust call accordingly.
9110 (assemble_end_function): Likewise.
9112 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9115 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9118 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9120 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9123 * system.h (ICE_EXIT_CODE): New macro.
9124 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9125 (diagnostic_action_after_output): Likewise.
9126 * gcc.c (fatal_ice): New function.
9127 (execute): Use it instead of fatal.
9128 (fancy_abort): Likewise.
9129 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9131 2006-03-22 Jeff Law <law@redhat.com>
9133 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9134 iv_analyze_result returning false.
9136 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9138 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9140 2006-03-22 Richard Henderson <rth@redhat.com>
9143 * except.c (duplicate_eh_regions_0): New.
9144 (duplicate_eh_region_1): Duplicate the children of the node as
9145 well as the node itself. Link them up properly.
9146 (duplicate_eh_region_2): Merge into ...
9147 (duplicate_eh_regions): ... here. Take copy_region argument, and
9148 copy only a sub-tree if asked. Simplify copying and fixup.
9149 (eh_region_outer_p): New.
9150 * except.h (duplicate_eh_regions): Update decl.
9151 (eh_region_outer_p): Declare.
9152 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9153 (lower_omp_master): Likewise.
9154 (lower_omp_ordered): Likewise.
9155 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9156 (move_stmt_r): Use it to remap labels. Handle recursion vs
9157 remap_decls_p properly.
9158 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9159 (find_outermost_region_in_block): New.
9160 (new_label_mapper): New.
9161 (move_sese_region_to_fn): Copy eh information to the new function
9163 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9165 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9168 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9170 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9171 into shared libraries.
9173 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9175 * doc/md.texi: Refer to i386/constraints.md instead of
9177 * config/i386/constraints.md: New file, extracted from...
9178 * config/i386/predicates.md: ...here.
9179 * config/i386/i386.md: Include constraints.md.
9181 2006-03-21 Jason Merrill <jason@redhat.com>
9183 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9186 * expr.c (init_block_move_fn): Force default visibility.
9187 (init_block_clear_fn): Likewise.
9188 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9189 * targhooks.c (default_external_stack_protect_fail): Likewise.
9191 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9193 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9194 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9195 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9196 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9197 (loadgp): Use mips_current_loadgp_style.
9198 (loadgp_noshared): New pattern.
9199 (sibcall_internal): Use MIPS_CALL.
9200 (sibcall_value_internal): Likewise.
9201 (sibcall_value_multiple_internal): Likewise.
9202 (call_internal): Likewise.
9203 (call_value_internal): Likewise.
9204 (call_value_multiple_internal): Likewise.
9205 (call_split): Use MIPS_CALL and add an 'S' constraint.
9206 (call_value_split): Likewise.
9207 (call_value_multiple_split): Likewise.
9208 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9209 (-mshared): New option.
9210 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9211 (mips_current_loadgp_style): Declare.
9212 * config/mips/mips.c (mips_classify_symbol): Avoid using
9213 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9214 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9215 TARGET_ABSOLUTE_ABICALLS.
9216 (override_options): Adjust comments. Improve the warning that is
9217 issued when -mabicalls and -G are used together.
9218 (mips_file_start): Remove comment.
9219 (mips_current_loadgp_style): New function.
9220 (mips_gnu_local_gp): New variable.
9221 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9223 (mips_output_function_prologue): Use mips_current_laodgp_style.
9224 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9225 the cprestore instruction.
9226 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9227 live for TARGET_ABSOLUTE_ABICALLS.
9228 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9229 (ASM_SPEC): Pass down -mshared and -mno-shared.
9230 (MIPS_CALL): New macro.
9231 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9233 * doc/invoke.texi (-mabicalls): Update documentation.
9234 (-mshared): Document.
9236 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9238 * config/ia64/unwind-hpux.c: New file.
9239 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9241 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9244 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9246 2006-03-21 Jeff Law <law@redhat.com>
9248 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9249 type conversions of a VR_VARYING source to a wider type.
9251 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9253 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9254 tm_file on Solaris 10 and later.
9255 (sparc64-*-solaris2*): Likewise.
9256 (sparc-*-solaris2*): Likewise.
9257 * config/sol26.h: Rename to config/sol2-6.h.
9258 * config/sol2-10.h: New file.
9260 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9263 * tree-ssa-pre.c (create_component_ref_by_pieces):
9266 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9269 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9270 return it immediately.
9272 2006-03-21 Michael Matz <matz@suse.de>
9274 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9276 (remove_arc, add_arc): Update num_out_arcs member.
9277 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9279 (cache_presence): New function.
9280 (compare_states_for_equiv): New function.
9281 (state_is_differed): Don't take number of outargs, adjust callers.
9282 Use new invariant for speeding up.
9283 (init_equiv_class): Create initial classes based on sorted
9285 (partition_equiv_class): Don't track out_arcs_num.
9286 (evaluate_equiv_classes): Call cache_presence on all states and
9289 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9291 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9292 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9293 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9294 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9296 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9297 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9298 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9299 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9300 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9302 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9303 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9304 (REGNO_REG_CLASS): ARGP is in PREGS.
9305 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9307 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9308 to deal with those addresses.
9309 * addresses.h: New file.
9310 * caller-save.c: Include "addresses.h".
9311 (init_caller_save): Use new base_reg_class function.
9312 * rtl-factoring.c: Include "addresses.h".
9313 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9314 * recog.c: Include "addresses.h".
9315 (preprocess_constraints): Use new base_reg_class function.
9316 * regrename.c: Include "addresses.h".
9317 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9318 functions. Keep track of a new var INDEX_CODE to compute valid
9320 (replace_oldest_value_addr): Likewise.
9321 (replace_oldest_value_mem): Use base_reg_class.
9322 * reload.c: Include "addresses.h".
9323 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9324 (find_reloads): Use new base_reg_class function.
9325 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9326 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9327 all callers and prototype changed.
9328 * reload1.c: Include "addresses.h".
9329 (maybe_fix_stack_asms): Use base_reg_class.
9330 * regclass.c: Include "addresses.h".
9331 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9332 (init_reg_autoinc): Use new base_reg_class function.
9333 (record_reg_classes): Likewise.
9334 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9335 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9336 Use new args to compute necessary class.
9338 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9339 regrename.o, rtl-factoring.o): Update dependencies.
9340 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9341 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9342 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9343 REG_OK_FOR_INDEX_P): Delete documentation.
9345 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9347 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9348 from V7 to V9 for Solaris 7 and above.
9350 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9352 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9353 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9354 argument pointers may not alias any other storage.
9355 * common.opt: Define option -fargument-noalias-anything.
9356 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9357 alias semantics is specified by flag_argument_noalias > 2.
9359 2006-03-20 Jeff Law <law@redhat.com>
9361 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9362 (pass_phi_only_cprop): Declare.
9363 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9365 * tree-ssa-dom.c (degenerate_phi_result): New function.
9366 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9367 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9368 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9369 (eliminate_degenerate_phis): Likewise.
9370 (pass_phi_only_cprop): New pass descriptor.
9371 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9372 support code. Callers updated.
9373 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9374 (store_copy_prop): Likewise.
9375 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9377 2006-03-20 Jason Merrill <jason@redhat.com>
9380 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9381 (push_visibility, pop_visibility): Likewise.
9382 * c-pragma.h: Declare them.
9384 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9386 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9388 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9389 parameter and use get_ebb_head_tail.
9390 (sh_md_init_global): Adjust uses of find_regmode_weight.
9392 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9394 * function.h (struct function) <x_tail_recursion_reentry>:
9395 Rename to x_stack_check_probe_note.
9396 (tail_recursion_reentry): Rename to stack_check_probe_note.
9397 * function.c: Replace tail_recursion_reentry with
9398 stack_check_probe_note everywhere.
9399 (expand_function_start): Only emit a note for
9400 stack_check_probe_note with -fstack-protect.
9401 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9403 * emit-rtl.c (remove_unnecessary_notes): Remove.
9404 (pass_remove_unnecessary_notes): Remove.
9405 * rtl.h (remove_unnecessary_notes): Remove prototype.
9406 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9407 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9408 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9410 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9413 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9414 (valid_in_set): Handle ARRAY_REF.
9415 Change "if min_variant or VH" to asserts.
9416 (create_component_ref_by_pieces): Handle ARRAY_REF.
9417 (create_expression_by_pieces): Likewise.
9418 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9420 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9422 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9423 is operand of switch, not str[0].
9425 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9427 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9428 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9430 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9432 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9433 end of insn_extra_address_constraint declaration.
9435 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9437 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9438 (no-sum-in-toc): Same.
9439 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9441 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9442 NO_FP_IN_TOC for -fPIC instead of mask.
9444 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9445 (BOOT_LDFLAGS): Delete.
9447 * config/rs6000/t-aix52: Same.
9449 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9450 (stmsi[345678]_power): New.
9452 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9454 * config/ia64/ia64.opt: Add empty line to end of file.
9456 2006-03-17 Richard Guenther <rguenther@suse.de>
9459 * builtins.c (get_pointer_alignment): For component style references
9460 adjust alignment to the component type alignment. Make sure
9461 to adjust alignment for component access of constants.
9463 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9465 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9468 2006-03-17 Paul Brook <paul@codesourcery.com>
9470 * doc/install.texi: Docuemnt --with-mode.
9471 * config.gcc: Add --with-mode for arm*-*-*.
9472 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9474 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9476 * sh.c (max_labelno_before_reorg): New variable.
9477 (sh_reorg): Initialize it.
9478 (find_barrier): Check max_labelno_before_reorg before using
9479 label_to_alignment. Take length of explicit alignment insns
9480 into account. When seeing a UNSPECV_CONST_END, return it.
9482 * sh.c (fixup_mova): Set mode of affected label to QImode.
9483 (untangle_mova): New function.
9484 (find_barrier): Use it. Check mode of label before decrementing
9486 (sh_reorg): Likewise.
9487 Set mode of all insns back to VOIDmode.
9489 * sh.c (MOVA_LABELREF): New macro.
9490 (mova_p, fixup_mova, sh_reorg): Use it.
9491 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9492 ADDR_DIFF_VEC matches mova.
9494 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9496 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9497 with ATTRIBUTE_UNUSED.
9499 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9501 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9502 pointer, instead of assuming it is possible to derive the
9503 correct args size from a call insn.
9505 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9507 * rtl.h (CONST_INT_P): Define.
9508 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9509 instead of GET_CODE(x) == CONST_INT.
9510 (vax_rtx_costs): Likewise.
9511 (vax_output_int_move): Likewise.
9512 (vax_output_int_add): Likewise.
9513 (legitimate_constant_address_p): Likewise.
9514 (index_term_p): Likewise.
9515 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9516 * config/vax/vax.md (and<mode>3): Likewise.
9517 (ashrsi3): Likewise.
9519 (movstricthi): Likewise.
9520 (movstrictqi): Likewise.
9521 (rotrsi3): Likewise.
9522 (five unnamed insns): Likewise.
9524 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9526 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9527 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9528 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9529 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9530 Pass to ASM_OUTPUT_DWARF_OFFSET.
9531 * dwarf2out.c (debug_frame_section): New.
9532 (output_call_frame_info): Use debug_frame_section. Pass it to
9533 dw2_asm_output_offset.
9534 (output_die): Pass appropriate section to dw2_asm_output_offset.
9535 (output_compilation_unit_header): Likewise.
9536 (output_pubnames): Likewise.
9537 (output_aranges): Likewise.
9538 (enum dw_val_class): Break dw_val_class_lbl_offset into
9539 dw_val_class_lineptr and dw_val_class_macptr.
9540 (add_AT_lbl_offset): Delete.
9541 (add_AT_lineptr): New.
9542 (add_AT_macptr): New.
9543 (AT_lbl): Expect a lineptr or macptr.
9544 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9545 (attr_checksum): Likewise.
9546 (same_dw_val_p): Likewise.
9547 (size_of_die): Likewise.
9548 (value_format): Likewise.
9549 (output_die): Likewise.
9550 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9552 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9553 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9554 * config/darwin-protos.h (darwin_file_start): New.
9555 (darwin_asm_output_dwarf_offset): New.
9556 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9557 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9559 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9560 if not EH section; simplify.
9561 (darwin_file_start): New.
9562 (darwin_asm_output_dwarf_offset): New.
9563 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9565 (DEBUG_INFO_SECTION): Likewise.
9566 (DEBUG_ABBREV_SECTION): Likewise.
9567 (DEBUG_ARANGES_SECTION): Likewise.
9568 (DEBUG_MACINFO_SECTION): Likewise.
9569 (DEBUG_LINE_SECTION): Likewise.
9570 (DEBUG_LOC_SECTION): Likewise.
9571 (DEBUG_PUBNAMES_SECTION): Likewise.
9572 (DEBUG_STR_SECTION): Likewise.
9573 (DEBUG_RANGES_SECTION): Likewise.
9574 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9575 (ASM_OUTPUT_DWARF_OFFSET): New.
9577 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9579 * config.gcc (tm_defines): Always add to previous value rather
9582 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9584 * config/mips/predicates.md (splittable_const_int_operand): New,
9585 split from move_operand.
9586 (splittable_symbolic_operand): New.
9587 (move_operand): Add commentary. Use splittable_const_int_operand.
9588 Inline mips_atomic_symbolic_constant_p.
9589 * config/mips/mips.md: Add combine splitters for handling moves
9590 of splittable_const_int_operands and splittable_symbolic_operands.
9591 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9592 (mips_split_symbol): Declare.
9593 (mips_move_integer): Declare.
9594 * config/mips/mips.c (mips_split_p): Make global.
9595 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9596 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9597 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9598 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9599 (mips_offset_within_object_p): Handle block symbols.
9600 (mips_atomic_symbolic_constant_p): Delete.
9601 (mips_cannot_force_const_mem): Return false for constants that
9602 mips_legitimize_move can handle.
9603 (mips_use_blocks_for_constant_p): New function.
9604 (mips_split_symbol): Make global.
9605 (mips_move_integer): Likewise. Add a temporary register argument.
9606 (mips_legitimize_const_move): Use splittable_const_int_operand and
9607 splittable_symbolic_operand.
9608 (mips_use_anchors_for_symbol_p): New function.
9609 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9610 (mips_split_p): Declare.
9612 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9614 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9615 (mips*-*-linux*): Likewise.
9617 2006-03-16 Roger Sayle <roger@eyesopen.com>
9618 Daniel Speyer <dspeyer@wam.umd.edu>
9621 * tree-dump.c (dump_real): New function.
9622 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9623 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9624 (tree-dump.o): Add $(REAL_H) to the dependencies.
9626 2006-03-16 Roger Sayle <roger@eyesopen.com>
9629 * real.c (real_from_string): If the mantissa is zero, don't bother
9630 parsing the exponent as the result should always be zero.
9632 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9634 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9636 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9638 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9639 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9640 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9641 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9642 ia64_sched_finish_global): New static functions to implement
9643 hooks from gcc_target.sched.
9644 (spec_check_no, max_uid, pending_data_specs): New static variables.
9645 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9646 ia64_spec_check_src_p): New static functions.
9647 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9648 (TARGET_SCHED_ADJUST_COST): Removed.
9649 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9650 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9651 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9652 TARGET_SCHED_GEN_CHECK,
9653 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9654 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9655 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9656 Fixed to handle speculation checks.
9657 (rtx_needs_barrier): Fixed to handle speculative loads and
9659 (ia64_variable_issue): Added code to count speculative loads and their
9661 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9663 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9665 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9667 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9668 (ia64_reorg): Reset stops_p to NULL after it is freed.
9669 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9670 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9671 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9673 (data_speculative, control_speculative, check_load): New attributes.
9674 (mov<mode>_advanced, mov<mode>_speculative,
9675 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9676 zero_extend<mode>di2_speculative,
9677 zero_extend<mode>di2_speculative_advanced): New patterns for
9678 data and control speculative loads.
9679 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9681 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9682 New pattern for data and control speculation checks.
9683 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9684 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9685 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9686 Auxiliary definitions for the patterns.
9687 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9688 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9690 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9692 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9693 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9694 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9695 New resource constraints.
9696 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9698 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9699 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9700 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9701 msched-in-control-spec, msched-ldc, msched-control-ldc,
9702 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9703 msched-prefer-non-control-spec-insns,
9704 msched-count-spec-in-critical-path): New flags to tune speculative
9706 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9707 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9708 msched-in-control-spec, msched-ldc, msched-control-ldc,
9709 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9710 msched-prefer-non-control-spec-insns,
9711 msched-count-spec-in-critical-path): Document new flags.
9713 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9715 * target.h (struct spec_info_def): New opaque declaration.
9716 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9717 speculate_insn, needs_block_p, gen_check,
9718 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9719 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9720 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9721 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9722 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9723 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9725 (TARGET_SCHED): Use new macros.
9726 * rtl.h (copy_DEPS_LIST_list): New prototype.
9727 * sched-int.h (struct sched_info): Change signature of new_ready field,
9728 adjust all initializations. New fields: add_remove_insn,
9729 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9730 region_head_or_leaf_p.
9731 (struct spec_info_def): New structure declaration.
9732 (spec_info_t): New typedef.
9733 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9734 recovery_block, orig_pat.
9735 (glat_start, glat_end): New variables declaraions.
9736 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9738 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9739 DETACH_LIFE_INFO, USE_GLAT.
9740 (enum SPEC_SCHED_FLAGS): New enumeration.
9741 (NOTE_NOTE_BB_P): New macro.
9742 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9743 attach_life_info, debug_spec_status, check_reg_live): New functions.
9744 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9745 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9747 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9748 * ddg.c (get_block_head_tail): Adjust all uses.
9749 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9750 (sms_sched_info): Initialize new fields.
9751 (contributes_to_priority): Removed.
9752 * haifa-sched.c (params.h): New include.
9753 (get_block_head_tail): Adjust all uses.
9754 (ISSUE_POINTS): New macro.
9755 (glat_start, glat_end): New global variables.
9756 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9757 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9758 old_last_basic_block, before_recovery, current_sched_info_var,
9759 rgn_n_insns, luid): New static variables.
9760 (insn_cost1): New function. Move logic from insn_cost to here.
9761 (find_insn_reg_weight1): New function. Move logic from
9762 find_insn_reg_weight to here.
9763 (reemit_notes, move_insn, max_issue): Change signature.
9764 (move_insn1): Removed.
9765 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9766 extend_bb): New static functions to support extension of scheduler's
9768 (generate_recovery_code, process_insn_depend_be_in_spec,
9769 begin_speculative_block, add_to_speculative_block,
9770 init_before_recovery, create_recovery_block, create_check_block_twin,
9771 fix_recovery_deps): New static functions to support
9772 generation of recovery code.
9773 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9774 restore_bb_notes, move_block_after_check, move_succs): New static
9775 functions to support ebb scheduling.
9776 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9777 functions to support handling of register live information.
9778 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9779 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9780 add_jump_dependencies): New static functions.
9781 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9782 consistancy checking.
9783 (debug_spec_status): New function to call from debugger.
9784 (priority): Added code to handle speculation checks.
9785 (rank_for_schedule): Added code to distinguish speculative instructions.
9786 (schedule_insn): Added code to handle speculation checks.
9787 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9788 Fixed to handle ebbs.
9789 (move_insn): Added code to handle ebb scheduling.
9790 (max_issue): Added code to use ISSUE_POINTS of instructions.
9791 (choose_ready): Added code to choose between speculative and
9792 non-speculative instructions.
9793 (schedule_block): Added code to handle ebb scheduling and scheduling of
9794 speculative instructions.
9795 (sched_init): Initialize new variables.
9796 (sched_finish): Free new variables. Print statistics.
9797 (try_ready): Added code to handle speculative instructions.
9798 * lists.c (copy_DEPS_LIST_list): New function.
9799 * sched-deps.c (extend_dependency_caches): New function. Move logic
9800 from create_dependency_caches to here.
9801 (get_dep_weak, ds_merge): Make global.
9802 * genattr.c (main): Code to output prototype for
9803 dfa_clear_single_insn_cache.
9804 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9805 (output_dfa_clean_insn_cache_func): Code to output
9806 dfa_clear_single_insn_cache function.
9807 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9809 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9811 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9812 New static variables.
9813 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9814 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9816 (ebb_sched_info): Initialize new fields.
9817 (get_block_head_tail): Adjust all uses.
9818 (compute_jump_reg_dependencies): Fixed to use glat_start.
9819 (schedule_ebb): Code to remove unreachable last block.
9820 (schedule_ebbs): Added code to update register live information.
9821 * sched-rgn.c (region_sched_info): Initialize new fields.
9822 (get_block_head_tail): Adjust all uses.
9823 (last_was_jump): Removed. Adjust users.
9824 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9825 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9826 Implement new hooks.
9827 (check_dead_notes1): New static function.
9828 (struct region): New fields: dont_calc_deps, has_real_ebb.
9829 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9830 (BB_TO_BLOCK): Fixed to handle EBBs.
9831 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9832 (ebb_head): New static variable.
9833 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9834 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9836 (compute_dom_prob_ps): New assertion.
9837 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9838 global_live_at_start.
9839 (init_ready_list): New assertions.
9840 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9841 (new_ready): Add support for BEGIN_CONTROL speculation.
9842 (schedule_insns): Fixed code that updates register live information
9844 (schedule_region): Fixed to handle EBBs.
9845 (init_regions): Use extend_regions and check_dead_notes1.
9846 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9847 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9848 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9849 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9850 TARGET_SCHED_GEN_CHECK,
9851 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9852 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9853 * doc/invoke.texi (max-sched-insn-conflict-delay,
9854 sched-spec-prob-cutoff): Document.
9856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9858 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9859 inter_tick, queue_index.
9860 (struct sched_info): Change signature of init_ready_list field.
9861 Adjust all initializations.
9862 (RESOLVED_DEPS): New access macro.
9863 (ready_add): Remove prototype.
9864 (try_ready): Add prototype.
9865 * sched-rgn.c (init_ready_list): Use try_ready.
9866 (schedule_region): Initialize
9867 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9868 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9869 (init_ready_list): Use try_ready.
9870 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9871 * lists.c (remove_list_elem): Remove `static'.
9872 (remove_free_INSN_LIST_elem): New function.
9873 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9874 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9875 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9877 (readyp): New variable.
9878 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9879 change_queue_index, resolve_dep): New static functions.
9880 (try_ready): New function. Adjust callers in sched-rgn.c and
9881 sched-ebb.c to use it instead of ready_add.
9882 (clock_var): Move at the begining of file.
9883 (rank_for_schedule): Fix typo.
9884 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9885 (ready_lastpos): Enforce assertion.
9886 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9888 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9889 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9890 (queue_to_ready): Use free_INSN_LIST_list.
9891 (early_queue_to_ready): Fix typo.
9892 (schedule_block): Init readyp. Move init_ready_list call after the
9893 initialization of clock_var. Fix error in rejecting insn by
9894 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9895 that previously corrected INSN_TICKs. Add code for handling
9897 (set_priorities): Fix typo.
9898 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9899 Clarify comment and code that keeps current_sched_info->next_tail
9902 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9904 * sched-rgn.c (extend_rgns): New static function.
9905 (find_rgns): Use it.
9906 (gather_region_statistics, print_region_statistics): New static
9908 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9909 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9911 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9912 Andrey Belevantsev <abel@ispras.ru>
9914 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9915 * lists.c (unused_deps_list): New variable.
9916 (free_list): Add assertions to verify the proper distinguishing
9917 between INSN_LISTs and DEPS_LISTs.
9918 (find_list_elem, remove_list_elem, remove_list_node): New static
9920 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9921 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9922 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9923 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9925 (free_INSN_LIST_node): Likewise.
9926 * modulo-sched.c (current_sched_info): Initialize flags field.
9927 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9928 * rtl.def (DEPS_LIST): Define.
9929 * rtl.h: Declare new functions from lists.c.
9930 * sched-deps.c (spec_dependency_cache): New static variable.
9931 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9932 (add_dependence): Change return type to void. Move the logic to ...
9933 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9934 (delete_all_dependences): Add comment about forward_dependency_cache.
9935 Handle spec_dependency_cache. Handle DEPS_LISTs.
9936 (fixup_sched_groups): Clarify the change of priority of output
9937 and anti dependencies.
9938 (sched_analyze_2): Adjust add_dependence calls to create data
9939 speculative dependence.
9940 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9941 Adjust all callers. Handle DEPS_LISTS.
9942 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9943 presence of speculation.
9944 (init_dependency_caches, free_dependency_caches):
9945 Handle spec_dependency_cache.
9946 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9947 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9948 New static functions.
9949 (add_or_update_back_dep, add_or_update_back_forw_dep,
9950 add_back_forw_dep, delete_back_forw_dep): New functions.
9951 * sched-int.h (ds_t, dw_t): New typedefs.
9952 (struct sched_info): Add new field flags.
9953 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9954 Prototype new sched-deps.c functions.
9955 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9956 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9957 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9958 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9959 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9960 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9962 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9964 * sched-rgn.c (current_sched_info): Initialize flags field.
9965 (schedule_insns): Initialize current_sched_info before the sched_init
9967 * sched-ebb.c (current_sched_info): Initialize flags field.
9968 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9969 Call add_or_update_back_dep instead of add_dependence.
9970 Create control speculative dependencies.
9971 (schedule_insns): Initialize current_sched_info before the sched_init
9974 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9976 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9978 (sh_fallback_frame_state): Likewise.
9980 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9982 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9983 Do switch on default_use_cxa_atexit.
9984 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9985 * config/darwin-crt3.o: New.
9986 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9987 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9988 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9990 * config/rs6000/t-darwin: Move crt2.o building to here.
9991 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9992 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9995 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9997 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9998 from '! xxx' to '!xxx' for coding-style conformance.
9999 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10000 (EXTRA_CONSTRAINT): Likewise.
10001 * config/vax/vax.md (four unnamed insns): Likewise.
10003 2006-03-15 Paul Brook <paul@codesourcery.com>
10005 * config/arm/arm.c (minipool_pad): New.
10006 (add_minipool_forward_ref): Include pool alignment padding in address
10008 (push_minipool_fix): Set minipool_pad.
10009 (minipool_pad): Ditto.
10011 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10013 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10014 instead of GET_CODE() == MEM and REG_P() instead of
10016 (print_operand_address): Likewise.
10017 (vax_address_cost): Likewise.
10018 (vax_rtx_costs): Likewise.
10019 (vax_notice_update_cc): Likewise.
10020 (vax_output_int_add): Likewise.
10021 (INDEX_REGISTER_P): Likewise.
10022 (BASE_REGISTER_P): Likewise.
10023 (nonindexed_address_p): Likewise.
10024 (vax_mode_dependent_address_p): Likewise.
10025 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10026 (PRINT_OPERAND): Likewise.
10027 * config/vax/vax.md (ashlsi3): Likewise.
10028 (ashlsi3): Likewise.
10029 (some more unnamed insns): Likewise.
10031 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10033 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10034 iterator-style macro.
10035 (mark_control_dependent_edges_necessary): Update the use of
10036 EXECUTE_IF_CONTROL_DEPENDENT.
10038 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10040 * config/sh/predicates.md (cache_address_operand): Special.
10041 (ua_address_operand): Likewise.
10043 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10045 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10047 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10049 2006-03-15 Andreas Schwab <schwab@suse.de>
10051 * gensupport.c (identify_predicable_attribute): Don't free p_false
10052 when it is still in use.
10054 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10056 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10057 the default setting here.
10059 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10061 * tree-pass.h (pass_cfg): Remove.
10062 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10063 * passes.c (pass_cfg): Don't run it.
10065 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10067 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10068 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10070 (stack_regs_mentioned): Update the uses of
10071 stack_regs_mentioned_data. Don't access the array beyond its
10073 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10074 Don't include gt-reg-stack.h.
10076 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10077 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10079 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10081 PR middle-end/26684
10082 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10085 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10087 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10089 2006-03-14 Richard Guenther <rguenther@suse.de>
10091 PR tree-optimization/26672
10092 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10095 2006-03-14 Richard Guenther <rguenther@suse.de>
10097 PR tree-optimization/26667
10098 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10099 node for the callees. Always allow inlining if it will shrink
10102 2006-03-14 Richard Guenther <rguenther@suse.de>
10104 PR middle-end/26659
10105 * builtins.c (get_pointer_alignment): Prefer alignment
10106 information from decls over that from types.
10108 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10111 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10113 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10115 * config/rs6000/rs6000.opt (mdlmzb): New option.
10116 (msched-prolog, msched-epilog): Use Var not Mask.
10117 * doc/invoke.texi (-mdlmzb): Document.
10118 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10120 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10121 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10123 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10125 PR rtl-optimization/25739
10126 * bt-load.c (augment_live_range): Free tos pointer.
10128 * gensupport.c (identify_predicable_attribute): Free
10130 * gcov.c (create_file_names): Free name pointer.
10132 2006-03-13 Roger Sayle <roger@eyesopen.com>
10134 PR middle-end/26557
10135 * stmt.c (emit_case_nodes): Handle the case where the index is a
10136 CONST_INT, where the comparison mode is specified by the index type.
10138 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10140 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10143 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10145 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10146 (*branch_fp_inverted): Likewise.
10148 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10150 PR middle-end/25989
10151 * omp-low.c (expand_omp_for_generic): Mark istart0
10152 and iend0 as addressable.
10154 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10156 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10158 2006-03-13 Jeff Law <law@redhat.com>
10160 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10161 virtual operands are interesting.
10162 (vrp_visit_stmt): Corresponding changes.
10164 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10166 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10168 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10169 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10170 * config/bfin/crti.S: Use it instead of __PIC__.
10171 * config/bfin/crtn.S: Likewise.
10173 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10174 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10176 Lose 'G' modifier for call operand.
10177 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10178 recognize 'G' modifier.
10180 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10182 PR middle-end/18859
10183 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10184 * stmt.c (expand_case): Likewise.
10186 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10188 PR rtl-optimization/26254
10189 * loop-invariant.c (seq_insns_valid_p): New function.
10190 (move_invariant_reg): Only emit new code if it is valid.
10192 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10194 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10196 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10197 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10198 (commit_one_edge_insertion): Do not look for loop notes.
10200 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10202 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10203 flag_test_coverage out of loop.
10205 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10207 * final.c (shorten_branches): Remove outdated comment, and turn
10208 the if branch that guards it to continue.
10210 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10212 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10213 * cfgloop.h (struct loop): Remove unused fields.
10215 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10217 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10218 (-dL, -fdump-rtl-loop2): Update the dump file names
10220 * doc/invoke.texi: Update dump file names.
10222 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10224 * predict.c (estimate_probability): Remove.
10225 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10226 * basic-block.h (estimate_probability): Remove prototype.
10227 * passes.c (finish_optimization_passes): Dump branch prediction or
10228 profiling heuristics to the .profile tree dump.
10229 (init_optimization_passes): Unqueue pass_branch_prob.
10231 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10233 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10235 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10236 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10238 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10240 * function.h (frame_offset_overflow): Declare.
10241 * function.c (frame_offset_overflow): New function.
10242 (assign_stack_local_1): Call it to detect that the offset overflows.
10243 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10245 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10247 * config/sh/sh.c: Include alloc-pool.h.
10248 (label_ref_list_pool): New alloc pool.
10249 (label_ref_list_t): New type for lists of labels.
10250 (struct pool_node): Make wend a label_ref_list_t.
10251 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10253 (dump_table): Likewise.
10254 (sh_reorg): Set up the alloc pool before using add_constant and
10255 dump_table, and destroy it when finishing.
10257 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10259 * config/mips/mips.c: Remove redundant comment.
10261 2006-03-10 Jason Merrill <jason@redhat.com>
10264 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10265 the target was declared 'register'.
10267 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10269 * genpreds.c (write_insn_constraint_len): Change definition of
10270 insn_constraint_len to return size_t to match the declaration.
10272 2006-03-10 DJ Delorie <dj@redhat.com>
10274 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10276 (m32c_expand_insv): Fix test for an AND mask.
10278 2006-03-10 Richard Guenther <rguenther@suse.de>
10280 PR middle-end/26565
10281 * builtins.c (get_pointer_alignment): Handle component
10282 references for field alignment.
10284 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10286 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10287 when building with libgloss.
10288 (sh*elf): Implement --without-fp option.
10289 (sh64-superh-linux*): Don't multilib.
10291 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10293 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10295 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10297 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10298 Set it when one of the replacement functions returned true.
10299 Return TODO_cleanup_cfg if cfgchanged is true.
10300 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10302 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10304 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10305 instead of gen_lowpart.
10307 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10309 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10311 (mips_output_order_conditional_branch): Declare.
10312 * config/mips/mips.h (MIPS_BRANCH): New macro.
10313 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10314 for the comparison. Use gen_condjump.
10315 (mips_output_conditional_branch): Rework interface to take the
10316 asm templates for a direct branch and the inverse of a direct branch.
10317 (mips_output_order_conditional_branch): New function.
10318 (mips_builtin_branch_and_move): New function.
10319 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10320 branch condition. Use gen_single_cc as the condition for
10321 __builtin_mips_upper_* or __builtin_mips_lower_*.
10322 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10323 Use VOIDmode for the branch condition.
10324 * config/mips/predicates.md (order_operator): New predicate.
10325 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10326 (branch_fp): Rename to...
10327 (*branch_fp): ...this. Remove mode from comparison operator.
10328 Use new mips_output_conditional_branch interface.
10329 (branch_fp_inverted): Rename to...
10330 (*branch_fp_inverted): ...this and update as for *branch_fp.
10331 (*branch_zero<mode>): Rename to...
10332 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10333 Use mips_output_order_conditional_branch. Only accept ordered
10335 (*branch_zero<mode>_inverted): Rename to...
10336 (*branch_order<mode>_inverted): ...this and update as for
10337 *branch_order<mode>.
10338 (*branch_equality<mode>): Accept zero as the second operand to
10339 the equality operator. Use the new mips_output_conditional_branch
10341 (*branch_equality<mode>_inverted): Likewise.
10342 (condjump): New expander.
10343 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10345 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10346 (bc1any2t, bc1any2f): Likewise.
10347 (single_cc): New expander.
10348 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10350 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10352 * doc/md.texi: Update documentation of MIPS constraints.
10353 * config/mips/constraints.md: New file.
10354 * config/mips/mips.md: Include it.
10355 * config/mips/mips.c (mips_char_to_class): Delete.
10356 (override_options): Don't initialize mips_char_to_class.
10357 * config/mips/mips.h (mips_char_to_class): Delete.
10358 (REG_CLASS_FROM_LETTER): Delete.
10359 (CONST_OK_FOR_LETTER_P): Delete.
10360 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10361 (EXTRA_CONSTRAINT_Y): Delete.
10362 (EXTRA_CONSTRAINT_STR): Delete.
10363 (CONSTRAINT_LEN): Delete.
10364 (EXTRA_MEMORY_CONSTRAINT): Delete.
10366 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10368 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10369 original fn's eh regions.
10371 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10373 * fold-const.c (build_range_check): Make sure to use a valid type to
10374 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10377 (range_predecessor): New static function.
10378 (range_successor): Likewise.
10379 (merge_ranges): Use them to compute predecessors and successors of
10382 2006-03-09 Roger Sayle <roger@eyesopen.com>
10384 PR middle-end/26561
10385 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10386 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10388 2006-03-08 DJ Delorie <dj@redhat.com>
10390 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10391 (addpsi3): Expand to include memory operands. Remove
10392 reload-specific splits.
10393 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10394 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10395 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10396 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10397 (shift1_qi, shift1_hi, insv): New.
10398 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10399 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10400 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10402 * config/m32c/m32c-protos.h: Update as needed.
10403 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10404 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10405 Fail for unrecognized R* constraints.
10406 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10407 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10408 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10410 (m32c_init_libfuncs): New.
10411 (m32c_legitimate_address_p): Add debug wrapper.
10412 (m32c_rtx_costs): New.
10413 (m32c_address_cost): New.
10414 (conversions): Add 'B' prefix.
10415 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10416 operands, or word regnames for QI operands. 'B' prints bit
10418 (m32c_expand_setmemhi): New.
10419 (m32c_expand_movmemhi): New.
10420 (m32c_expand_movstr): New.
10421 (m32c_expand_cmpstr): New.
10422 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10423 (m32c_expand_neg_mulpsi3): Handle non-ints.
10424 (m32c_cmp_flg_0): New.
10425 (m32c_expand_movcc): New.
10426 (m32c_expand_insv): New.
10427 (m32c_scc_pattern): New.
10428 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10429 a0/a1 out of SIregs.
10430 (STORE_FLAG_VALUE): New.
10431 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10434 * config/m32c/mov.md: Make constraints more liberal.
10435 (zero_extendqihi2): Optimize r0/r1 case.
10436 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10437 * config/m32c/predicates.md (m32c_any_operand): New.
10438 (m32c_nonimmediate_operand): New.
10439 (m32c_hl_operand): New.
10440 (m32c_r3_operand): New.
10443 (memsym_operand): New.
10444 (memimmed_operand): New.
10445 (a_qi_operand): New.
10446 (m32c_eqne_operator): New.
10447 (m32c_1bit8_operand): New.
10448 (m32c_1bit16_operand): New.
10449 (m32c_1mask8_operand): New.
10450 (m32c_1mask16_operand): New.
10451 * config/m32c/blkmov.md: New file.
10452 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10454 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10456 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10457 unsigned to fix signed/unsigned comparison issue in
10458 DWARF2_FRAME_REG_OUT.
10459 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10460 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10462 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10463 of ptr into the ENABLE_CHECKING section.
10465 2006-03-08 Jeff Law <law@redhat.com>
10467 * tree-vrp.c (infer_value_range): Only count pointer uses
10468 and dereferences if -fdelete-null-pointer-checks is enabled.
10470 * tree-vrp.c (find_assert_locations): Infer value ranges for
10471 single use pointers, but do not create ASSERT_EXPRs for them.
10472 When a non-null range is inferred for a pointer, backwards
10473 propagate that range to other equivalent pointers through the
10476 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10479 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10480 language hook targets.
10481 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10482 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10483 if language hook targets were missing.
10485 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10487 * tree-ssa-opfinalize.h: Removed.
10488 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10490 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10491 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10492 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10493 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10494 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10495 finalize_ssa_v_must_def_ops): New.
10497 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10499 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10500 block as parameter.
10502 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10504 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10506 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10507 addresses with offsets; reorganize.
10509 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10510 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10511 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10513 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10516 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10518 2006-03-08 Ben Elliston <bje@au.ibm.com>
10520 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10522 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10525 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10528 2006-03-07 Richard Guenther <rguenther@suse.de>
10530 PR tree-optimization/26587
10531 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10533 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10535 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10537 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10539 * hooks.c (hook_bool_mode_rtx_true): New function.
10540 * hooks.h (hook_bool_mode_rtx_true): Declare.
10541 * toplev.c (compile_file): Call output_shared_constant_pool.
10542 * varasm.c (shared_constant_pool): New variable.
10543 (assemble_start_function, assemble_end_function): Remove arguments
10544 from call to output_constant_pool.
10545 (create_constant_pool): New function, split out from...
10546 (init_varasm_status): ...here.
10547 (force_const_mem): Choose between the shared and per-function constant
10548 pools. Set current_function_uses_const_pool when reusing old entries
10549 as well as when creating new ones.
10550 (mark_constant): Ignore data argument.
10551 (mark_constants): Remove pool argument.
10552 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10553 to decide whether the function uses a constant pool.
10554 (output_constant_pool_contents): New function, split out from...
10555 (output_constant_pool): ...here.
10556 (output_shared_constant_pool): New function.
10557 (init_varasm_once): Initialize shared_constant_pool.
10558 * output.h (output_constant_pool): Delete.
10559 (output_shared_constant_pool): Declare.
10560 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10561 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10563 2006-03-06 Nick Clifton <nickc@redhat.com>
10565 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10566 flag_strength_reduce.
10568 2006-03-06 Ben Elliston <bje@au.ibm.com>
10570 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10571 x86_64-*-linux* configurations.
10573 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10574 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10576 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10578 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10580 * basic-block.h: Remove the extern for
10581 rediscover_loops_after_threading.
10583 * cfgloop.c (cancel_loop): Make it static.
10584 * cfgloop.h: Remove the prototype for cancel_loop.
10586 * flow.c (recompute_reg_usage): Make it static.
10587 * rtl.h: Remove the prototype for recompute_reg_usage.
10589 * function.c (use_return_register): Make it static.
10590 * function.h: Remove the prototype.
10592 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10594 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10596 * recog.h: Remove the prototype for
10597 validate_change_maybe_volatile.
10599 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10601 * rtlanal.c (replace_reg): Remove.
10602 * rtl.h: Remove the prototype for replace_reg.
10604 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10606 * regclass.c (reg_scan_update): Remove.
10607 (reg_scan_mark_refs): Remove the last argument.
10608 * rtl.h: Remove the prototype for reg_scan_update.
10610 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10612 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10613 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10614 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10615 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10616 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10617 loop-invariant.c, omp-low.c, opts.c, passes.c,
10618 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10619 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10620 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10621 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10622 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10623 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10625 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10627 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10628 * dwarf2out.h: Remove the prototype for
10629 dwarf2out_add_library_unit_info.
10631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10633 * tree.c (add_var_to_bind_expr): Remove.
10634 * tree.h: Remove the prototype for add_var_to_bind_expr.
10636 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10638 * regclass.c (n_non_fixed_regs): Remove.
10639 (init_reg_sets_1, globalize_reg): Remove all uses of
10641 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10643 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10645 * rtlanal.c (insns_safe_to_move_p): Remove.
10646 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10648 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10650 * expmed.c (expand_mult_add): Remove.
10651 * expr.h: Remove the prototype for expand_mult_add.
10653 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10655 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10656 and REG_SAVED_VAL_EXP constants.
10657 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10658 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10659 Handle regs stored by value.
10660 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10661 (execute_cfa_program): Handle DW_CFA_val_offset,
10662 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10663 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10664 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10665 (uw_install_context_1): Handle target regs stored by value.
10667 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10669 * tree-sra.c (tree_sra): Return todoflags;
10670 (generate_one_element): Set TODO_update_smt_usage if needed.
10671 (pass_sra): Remove TODO_update_smt_usage.
10672 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10674 (tree_ssa_forward_propagate_single_use_vars): Return
10675 TODO_update_smt_usage if we need to update SMT usage.
10676 (pass_forwprop): Remove TODO_update_smt_usage.
10678 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10680 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10681 (correct_use_link): Remove reference to get_stmt_operands.
10682 (update_stmt_operands): Likewise.
10683 (get_modify_expr_operands): New function factored out of
10684 parse_ssa_operands and get_expr_operands.
10685 Try to create V_MUST_DEFs for LHS by default.
10686 (get_expr_operands) <case MODIFY_EXPR>: Call
10687 get_modify_expr_operands.
10688 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10689 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10690 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10691 get_modify_expr_operands.
10693 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10695 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10696 * tree-flow.h: Remove the prototype for
10697 referenced_var_lookup_if_exists.
10699 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10701 PR rtl-optimization/26345
10703 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10705 2006-03-03 Roger Sayle <roger@eyesopen.com>
10707 PR tree-optimization/26524
10708 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10709 fold_convert to create a constant of the appropriate type.
10711 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10713 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10714 SYMBOL_REF_IN_BLOCK_P.
10715 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10716 of SYMBOL_FLAG_IN_BLOCK.
10717 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10718 instead of SYMBOL_REF_IN_BLOCK_P.
10719 * explow.c (use_anchored_address): Likewise.
10720 * rtl.c (rtx_size): Likewise.
10721 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10722 instead of SYMBOL_FLAG_IN_BLOCK.
10723 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10724 SYMBOL_REF_IN_BLOCK_P.
10725 (assemble_variable): Likewise.
10726 (output_constant_def_contents): Likewise.
10727 (output_constant_pool): Likewise.
10728 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10729 instead of SYMBOL_FLAG_IN_BLOCK.
10730 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10731 SYMBOL_REF_IN_BLOCK_P.
10732 (SYMBOL_REF_BLOCK): Likewise.
10733 (SYMBOL_REF_OFFSET): Likewise.
10734 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10735 SYMBOL_REF_IN_BLOCK_P.
10736 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10737 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10738 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10739 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10741 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10743 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10745 2006-03-02 Roger Sayle <roger@eyesopen.com>
10747 * simplify-rtx.c (simplify_unary_operation): When simplifying
10748 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10749 that we perform the right shift in the appropriate mode, and
10750 then extend or truncate the result to requested mode.
10752 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10754 * gengtype.c (main): Handle double_int type.
10755 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10756 * double-int.c: New file.
10757 * double-int.h: New file.
10758 * system.h: Include doubleint.h.
10759 * Makefile.in (SYSTEM_H): Include double-int.h.
10760 (double-int.o): Add.
10762 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10765 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10768 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10770 * tree-vrp.c (remove_range_assertions): Do not update statements
10773 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10775 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10777 * gcse.c (rest_of_handle_gcse): Ditto.
10778 * except.c (gate_handle_eh): Ditto.
10779 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10780 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10782 2006-03-02 Eric Christopher <echristo@apple.com>
10784 * config/i386/i386.c (machopic_output_stub): Add indirection to
10787 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10791 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10793 Sun Niagara specific optimizations.
10794 * config.gcc: Recognize niagara as target.
10795 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10796 (TARGET_CPU_niagara): Define.
10797 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10798 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10799 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10800 (ASM_CPU_SPEC): Likewise.
10801 (PROCESSOR_NIAGARA): New enum entry.
10802 (REGISTER_MOVE_COST): Handle Niagara.
10803 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10804 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10805 (sparc_override_options): Recognize "niagara", set appropriate
10806 default MASK_* values for it, and align functions to 32-bytes
10807 by default just like ULTRASPARC/ULTRASPARC3.
10808 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10809 (sparc64_initialize_trampoline): Likewise.
10810 (sparc_use_sched_lookahead): Use zero for niagara.
10811 (sparc_issue_rate): Use one for niagara.
10812 * config/sparc/niagara.md: New file.
10813 * config/sparc/sparc.md: Include it.
10814 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10815 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10816 when default cpu is niagara.
10817 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10818 (ASM_CPU_SPEC): Likewise.
10819 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10820 when default cpu is niagara.
10821 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10822 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10823 just like v9/ultrasparc/ultrasparc3.
10824 * doc/invoke.texi: Add documentation for "niagara" and improve
10825 existing documentation for ultrasparc variants.
10827 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10829 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10831 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10833 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10834 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10835 and say that only one is needed.
10836 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10837 * target.h (have_switchable_bss_sections): New hook.
10838 * explow.c (use_anchored_address): Check that the symbol is in a block.
10839 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10840 (bss_noswitch_section): New variables.
10841 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10842 (get_noswitch_section): New function.
10843 (get_block_for_section): Allow SECT to be null.
10844 (unlikely_text_section_p): Use SECTION_STYLE.
10845 (bss_initializer_p): New function.
10846 (get_variable_section): Move earlier in file. Take a new argument,
10847 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10848 Return one of the new *_sections in such cases.
10849 (get_block_for_decl): New function, extracting some logic from
10850 use_blocks_for_decl_p.
10851 (change_symbol_section): Remove in favor of...
10852 (change_symbol_block): ...this new function.
10853 (use_blocks_for_decl_p): Remove checks now performed by
10854 get_block_for_decl.
10855 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10856 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10857 (emit_local, emit_bss, emit_common): ...these new functions.
10858 Return true if the alignment was honored.
10859 (emit_tls_common): New function.
10860 (asm_emit_uninitialised): Delete.
10861 (assemble_variable_noswitch): New function, split out from...
10862 (assemble_variable): ...here. Don't make decisions about common
10863 variables here. Globalize all public decls that go into non-common
10864 sections. Check whether SYMBOL_REF_BLOCK is null.
10865 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10866 (output_constant_pool): Likewise.
10867 (init_varasm_once): Initialize the new section variables.
10868 (have_global_bss_p): New function.
10869 (categorize_decl_for_section): Use bss_initializer_p.
10870 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10871 (place_block_symbol): Assert that the symbol must be in a block.
10872 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10873 (TARGET_INITIALIZER): Include it.
10874 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10875 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10876 (SECTION_MACH_DEP): Bump by two.
10877 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10878 (unnamed_section): Mention SECTION_UNNAMED in comment.
10879 (named_section): Likewise SECTION_NAMED.
10880 (noswitch_section_callback): New type.
10881 (noswitch_section): New structure.
10882 (section): Add a noswitch_section alternative.
10883 (SECTION_STYLE): New macro.
10884 (tls_comm_section, comm_section, lcomm_section): Declare.
10885 (bss_noswitch_section, have_global_bss_p): Declare.
10886 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10887 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10889 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10890 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10893 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10895 * tree-vrp.c (execute_vrp): Return value.
10896 * regrename.c (rest_of_handle_regrename): Ditto.
10897 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10898 * tree-complex.c (tree_lower_complex): Ditto.
10899 (tree_lower_complex_O0): Ditto.
10900 * tracer.c (rest_of_handle_tracer): Ditto.
10901 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10902 * postreload.c (rest_of_handle_postreload): Ditto.
10903 * tree-tailcall.c (execute_tail_recursion): Ditto.
10904 (execute_tail_calls): Ditto.
10905 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10906 * tree.h (init_function_for_compilation): Ditto.
10907 * ipa-cp.c (ipcp_driver): Ditto.
10908 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10909 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10910 * final.c (compute_alignments): Ditto.
10911 (rest_of_handle_final): Ditto.
10912 (rest_of_handle_shorten_branches): Ditto.
10913 (rest_of_clean_state): Ditto.
10914 * omp-low.c (execute_expand_omp): Ditto.
10915 (execute_lower_omp): Ditto.
10916 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10917 * ipa-reference.c (static_execute): Ditto.
10918 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10919 * reorg.c (rest_of_handle_delay_slots): Ditto.
10920 (rest_of_handle_machine_reorg): Ditto.
10921 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10922 * flow.c (recompute_reg_usage): Ditto.
10923 (rest_of_handle_remove_death_notes): Ditto.
10924 (rest_of_handle_life): Ditto.
10925 (rest_of_handle_flow2): Ditto.
10926 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10927 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10928 (do_ssa_store_ccp): Ditto.
10929 (execute_fold_all_builtins): Ditto.
10930 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10931 * modulo-sched.c (rest_of_handle_sms): Ditto.
10932 * ipa-pure-const.c (static_execute): Ditto.
10933 * cse.c (rest_of_handle_cse): Ditto.
10934 (rest_of_handle_cse2): Ditto.
10935 * web.c (rest_of_handle_web): Ditto.
10936 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10937 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10938 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10939 * tree-nrv.c (tree_nrv): Ditto.
10940 (execute_return_slot_opt): Ditto.
10941 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10942 (create_structure_vars): Ditto.
10943 * loop-init.c (rtl_loop_init): Ditto.
10944 (rtl_loop_done): Ditto.
10945 (rtl_move_loop_invariants): Ditto.
10946 (rtl_unswitch): Ditto.
10947 (rtl_unroll_and_peel_loops): Ditto.
10948 (rtl_doloop): Ditto.
10949 * gimple-low.c (lower_function_body): Ditto.
10950 (mark_used_blocks): Ditto.
10951 * tree-ssa-sink.c (execute_sink_code): Ditto.
10952 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10953 (cgraph_early_inlining): Ditto.
10954 * global.c (rest_of_handle_global_alloc): Ditto.
10955 * jump.c (cleanup_barriers): Ditto.
10956 (purge_line_number_notes): Ditto.
10957 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10958 (rest_of_handle_if_after_reload): Ditto.
10959 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10960 (tree_ssa_loop_im): Ditto.
10961 (tree_ssa_loop_unswitch): Ditto.
10962 (tree_vectorize): Ditto.
10963 (tree_linear_transform): Ditto.
10964 (tree_ssa_loop_ivcanon): Ditto.
10965 (tree_ssa_empty_loop): Ditto.
10966 (tree_ssa_loop_bounds): Ditto.
10967 (tree_complete_unroll): Ditto.
10968 (tree_ssa_loop_prefetch): Ditto.
10969 (tree_ssa_loop_ivopts): Ditto.
10970 (tree_ssa_loop_done): Ditto.
10971 * predict.c (tree_estimate_probability): Ditto.
10972 * recog.c (split_all_insns_noflow): Ditto.
10973 (rest_of_handle_peephole2): Ditto.
10974 (rest_of_handle_split_all_insns): Ditto.
10975 * tree-eh.c (lower_eh_constructs): Ditto.
10976 * regmove.c (rest_of_handle_regmove): Ditto.
10977 (rest_of_handle_stack_adjustments): Ditto.
10978 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10979 * function.c (instantiate_virtual_regs): Ditto.
10980 (init_function_for_compilation): Ditto.
10981 (rest_of_handle_check_leaf_regs): Ditto.
10982 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10983 (rest_of_handle_gcse): Ditto.
10984 * ipa-type-escape.c (type_escape_execute): Ditto.
10985 * alias.c (rest_of_handle_cfg): Ditto.
10986 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10987 * profile.c (rest_of_handle_branch_prob): Ditto.
10988 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10989 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10990 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10991 * tree-dfa.c (find_referenced_vars): Ditto.
10992 * except.c (set_nothrow_function_flags): Ditto.
10993 (convert_to_eh_region_ranges): Ditto.
10994 (rest_of_handle_eh): Ditto.
10995 * emit-rtl.c (unshare_all_rtl): Ditto.
10996 (remove_unnecessary_notes): Ditto.
10997 * except.h (set_nothrow_function_flags): Ditto.
10998 (convert_to_eh_region_ranges): Ditto.
10999 * cfgexpand.c (tree_expand_cfg): Ditto.
11000 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11001 * tree-ssa-pre.c (do_pre): Ditto.
11002 (execute_fre): Ditto.
11003 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11004 (rest_of_handle_jump2): Ditto.
11005 * tree-sra.c (tree_sra): Ditto.
11006 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11007 (execute_mudflap_function_decls): Ditto.
11008 * tree-ssa-copy.c (do_copy_prop): Ditto.
11009 (do_store_copy_prop): Ditto.
11010 * ipa-prop.h (ipcp_driver): Ditto.
11011 * cfglayout.c (insn_locators_initialize): Ditto.
11012 * tree-ssa-forwprop.c
11013 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11014 * cfglayout.h (insn_locators_initialize): Ditto.
11015 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11016 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11017 (execute_late_warn_uninitialized): Ditto.
11018 * rtl.h (cleanup_barriers): Ditto.
11019 (split_all_insns_noflow): Ditto.
11020 (purge_line_number_notes): Ditto.
11021 (unshare_all_rtl): Ditto.
11022 (remove_unnecessary_notes): Ditto.
11023 (recompute_reg_usage): Ditto.
11024 (variable_tracking_main): Ditto.
11025 * integrate.c (emit_initial_value_sets): Ditto.
11026 * integrate.h (emit_initial_value_sets): Ditto.
11027 * tree-optimize.c (execute_free_datastructures): Ditto
11028 (execute_free_cfg_annotations): Ditto.
11029 (execute_fixup_cfg): Ditto.
11030 (execute_cleanup_cfg_pre_ipa): Ditto.
11031 (execute_cleanup_cfg_post_optimizing): Ditto.
11032 (execute_init_datastructures): Ditto.
11033 * tree-object-size.c (compute_object_sizes): Ditto.
11034 * combine.c (rest_of_handle_combine): Ditto.
11035 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11036 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11037 (rest_of_handle_reorder_blocks): Ditto.
11038 (rest_of_handle_partition_blocks): Ditto.
11039 * var-tracking.c (variable_tracking_main): Ditto.
11040 * tree-profile.c (tree_profiling): Ditto.
11041 * tree-vect-generic.c (expand_vector_operations): Ditto.
11042 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11043 * sched-rgn.c (rest_of_handle_sched): Ditto.
11044 (rest_of_handle_sched2): Ditto.
11045 * basic-block.h (free_bb_insn): Ditto.
11046 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11047 * tree-cfg.c (execute_build_cfg): Ditto.
11048 (remove_useless_stmts): Ditto.
11049 (split_critical_edges): Ditto.
11050 (execute_warn_function_return): Ditto.
11051 (execute_warn_function_noreturn): Ditto.
11052 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11053 * cfgrtl.c (free_bb_for_insn): Ditto.
11054 * passes.c (execute_one_pass): Run additional
11055 todos returned by execute function.
11056 * tree-pass.h (struct tree_opt_pass): Make execute
11059 2006-03-02 Richard Guenther <rguenther@suse.de>
11061 * tree-ssa-alias.c (find_used_portions): Consider taking
11062 the address as making the variable not write-only.
11064 2006-03-02 Nick Clifton <nickc@redhat.com>
11066 * config.gcc (default_use_cxa_atexit): Extend the description of
11067 this configure variable. Set its default value to "yes" for
11068 Linux, NetBSD and ELF targets on the assumption that they will
11069 use C libraries with the __cxa_atexit function.
11071 2006-03-02 Ben Elliston <bje@au.ibm.com>
11073 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11074 parameter as unused to suppress a build warning.
11076 2006-03-02 Ben Elliston <bje@au.ibm.com>
11078 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11081 2006-03-01 Roger Sayle <roger@eyesopen.com>
11084 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11085 declared name, the weak reference name, and the typeof name.
11086 (__gthrw): Avoid expanding the declared name suffix.
11087 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11089 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11091 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11093 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11094 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11095 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11096 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11097 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11098 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11099 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11100 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11101 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11102 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11103 (DW_END_default, DW_END_big, DW_END_little): New.
11104 (DW_END_lo_user, DW_END_hi_user): Define.
11105 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11106 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11107 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11110 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11112 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11114 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11116 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11118 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11120 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11121 to 'symbol_mem_tag'.
11123 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11126 2006-03-01 Roger Sayle <roger@eyesopen.com>
11128 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11130 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11133 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11134 MACHO_DYNAMIC_NO_PIC_P.
11135 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11137 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11140 * config/darwin-protos.h (darwin_asm_output_anchor):
11142 * config/darwin-sections.def (cstring_section):
11143 Add SECTION_MERGE to the flags.
11144 (literal4_section): Likewise.
11145 (literal8_section): Likewise.
11146 (objc_selector_refs_section): Likewise.
11147 (objc_cls_refs_section): Likewise.
11148 * config/darwin.c (darwin_asm_output_anchor): New
11150 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11152 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11154 Fix PR tree-optimization/26443
11155 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11156 to todo and PROP_tmt_usage to properties_destroyed.
11157 * tree-ssa-ccp.c (pass_ccp): Ditto.
11158 (pass_store_ccp): Ditto.
11159 * tree-ssa-dom.c (pass_dominator): Ditto.
11161 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11163 * tree-ssa-operands.c: Cleanup whitespace.
11164 (get_asm_expr_operands): Move before first invocation.
11165 (get_indirect_ref_operands): Likewise.
11166 (get_tmr_operands): Likewise.
11167 (get_call_expr_operands): Likewise.
11168 (append_def): Likewise.
11169 (append_use): Likewise.
11170 (append_v_may_def): Likewise.
11171 (append_v_must_def): Likewise.
11172 (add_call_clobber_ops): Likewise.
11173 (add_call_read_ops): Likewise.
11174 (add_stmt_operand): Likewise.
11175 (add_virtual_operand): Likewise.
11176 (build_ssa_operands): Likewise.
11178 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11180 PR middle-end/26022
11182 PR middle-end/24437
11183 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11184 with a call expr to ...
11185 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11187 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11189 * tree-vrp.c (extract_range_from_assert): Remove special
11190 handling for types with super-types.
11192 2006-03-01 Ben Elliston <bje@au.ibm.com>
11194 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11195 and powerpc64-*-linux* configurations.
11196 * config/t-dfprules: New file.
11198 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11199 Compile dfp-bit.c from the source directory using -DWIDTH and
11200 $DFP_CFLAGS to control the compilation of that file, rather than
11201 generating width-specific versions in the build directory.
11202 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11203 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11205 2006-02-28 Zack Weinberg <zackw@panix.com>
11207 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11210 2006-02-28 Eric Christopher <echristo@apple.com>
11212 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11213 Set up IN_LIBGCC definition of TARGET_64BIT.
11214 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11216 2006-02-28 Roger Sayle <roger@eyesopen.com>
11218 PR middle-end/14752
11219 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11220 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11221 cases via the construction of "expr != 0".
11223 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11225 * alias.c (alias_invariant, alias_invariant_size): Remove.
11226 (record_base_value): Remove.
11227 (memrefs_conflict_p): Don't look at alias_invariant.
11228 (end_alias_analysis): Don't free it.
11229 * alias.h (record_base_value): Remove prototype.
11231 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11232 Adam Nemet <anemet@caviumnetworks.com>
11234 * rtl.h (truncated_to_mode): Declare it.
11235 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11236 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11237 (RTL_HOOKS_INITIALIZER): Include it.
11238 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11239 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11240 reg_truncated_to_mode.
11241 * rtlanal.c (truncated_to_mode): Define it.
11242 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11244 2006-02-28 Jeff Law <law@redhat.com>
11246 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11247 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11248 the range allowed by TYPE_PRECISION.
11250 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11252 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11254 PR tree-optimization/26419
11255 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11258 2006-02-27 Zack Weinberg <zackw@panix.com>
11260 * doc/md.texi: Fix typo in previous change.
11262 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11266 2006-02-27 Zack Weinberg <zackw@panix.com>
11268 * rtl.def (define_constraint, define_register_constraint)
11269 (define_memory_constraint, define_address_constraint): New MD forms.
11270 * gensupport.c (process_rtx): Put define_constraint etc on the
11272 * genpreds.c (process_define_predicate): Adjust comment. Validate
11273 the name, and call validate_exp to validate the expression.
11274 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11275 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11276 all callers changed.
11277 (validate_exp, needs_variable, struct constraint_data)
11278 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11279 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11280 (const_dbl_constraints, constraint_max_namelen)
11281 (have_register_constraints, have_memory_constraints)
11282 (have_address_constraints, have_address_constraints)
11283 (have_extra_constraints, have_const_int_constraints)
11284 (have_const_dbl_constraints, mangle, add_constraint)
11285 (process_define_constraint, process_define_register_constraint)
11286 (write_enum_constraint_num, write_lookup_constraint)
11287 (write_insn_constraint_len, write_regclass_for_constraint)
11288 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11289 (write_insn_extra_memory_constraint)
11290 (write_insn_extra_address_constraint)
11291 (write_satisfies_constraint_fns): New.
11292 (write_tm_preds_h): If we have new-style constraint definitions,
11293 prototype the functions generated from them, and define the
11294 old constraint interface (still used by generic code) in terms of
11296 (write_insn_preds_c): If we have new-style constraint definitions,
11297 generate all relevant functions from those definitions.
11298 (main): Handle define_constraint etc.
11299 * genoutput.c (struct constraint_data, indep_constraints)
11300 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11301 (mdep_constraint_len): New data structures and functions, defined
11302 #ifdef USE_MD_CONSTRAINTS.
11303 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11304 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11305 use new logic to validate operand constraints against constraint
11307 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11309 * defaults.h: If none of the old-style constraint macros are
11310 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11311 old-style macros; and poison REG_CLASS_FROM_LETTER,
11312 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11314 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11315 * doc/md.texi: Document new constraint-definition mechanism and the
11316 C interface it provides. Remove references to old mechanism
11317 elsewhere in the document.
11318 (Machine Constraints): Use pathnames relative to gcc directory,
11319 i.e. config/ARCH/FILE. Change i386 section to refer to
11320 config/i386/predicates.md; update that section to match docstrings.
11321 * doc/tm.texi: Move all documentation of the old constraint-
11322 definition macros to their own section, clearly mark as obsolete.
11324 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11325 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11327 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11328 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11329 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11330 constraint strings.
11331 (splits and peepholes): Use satisfies_constraint_*.
11332 * config/i386/i386.c (memory_address_length)
11333 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11335 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11337 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11338 scalar operation to be put back into the loop.
11340 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11343 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11344 (extract_cie_info): Handle S flag in augmentation string.
11345 (execute_cfa_program): If context->signal_frame, execute also
11346 fs->pc == context->ra instructions.
11347 (uw_frame_state_for): If context->signal_frame, don't subtract one
11348 from context->ra to find FDE.
11349 (uw_update_context_1): Set context->signal_frame to
11351 (_Unwind_GetIPInfo): New function.
11352 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11353 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11355 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11356 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11357 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11358 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11359 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11360 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11361 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11362 x86_64_fallback_frame_state): Set fs->signal_frame.
11363 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11364 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11365 (frob_update_context): Likewise. Workaround missing S flag in
11366 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11367 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11368 Remove the psw_addr + 1 hack.
11370 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11372 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11373 with aggregates here.
11374 (find_func_aliases): Remove code for &<aggregate> from here.
11376 2006-02-26 Roger Sayle <roger@eyesopen.com>
11378 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11379 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11380 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11381 as (X & C) ne/eq 0.
11383 2006-02-26 Roger Sayle <roger@eyesopen.com>
11385 PR middle-end/19983
11386 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11388 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11390 * opts.c (decode_options): Do not handle flag_strength_reduce.
11391 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11392 and OPT_fstrength_reduce.
11393 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11394 flag_prefetch_loop_arrays for being nonzero.
11395 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11397 (fprefetch-loop-arrays-rtl): Removed.
11398 (flag_prefetch_loop_arrays): Do not specify the value.
11400 * doc/passes.texi: Update documentation of loop optimizer
11402 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11403 -frerun-loop-opt): Remove.
11405 2006-02-26 Richard Guenther <rguenther@suse.de>
11407 PR tree-optimization/26421
11408 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11409 in function calls that are ADDR_EXPRs as using the whole structure.
11411 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11413 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11414 * tree-pass.h (pass_loop_optimize): Remove.
11415 * passes.c (pass_loop_optimize): Never run it.
11416 * toplev.c (backend_init): Don't call init_loop.
11417 * opts.c (flag_loop_optimize_set): Remove.
11418 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11419 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11420 the old RTL loop optimizer when profiling enabled.
11421 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11422 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11423 pre-headers for the sake of the old RTL loop optimizer.
11424 * Makefile.in: Remove all references to loop.o.
11426 * doc/invoke.texi: Remove all references to -floop-optimize
11427 and -frerun-loop-opt.
11429 2006-02-26 Zack Weinberg <zackw@panix.com>
11431 * doc/md.texi (Machine Constraints): Refer to all files with paths
11432 relative to gcc directory (i.e. config/CPU/file). Add missing
11433 @table @code ... @end table to M32C subsection.
11435 2006-02-26 Roger Sayle <roger@eyesopen.com>
11437 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11439 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11441 2006-02-26 Roger Sayle <roger@eyesopen.com>
11442 James A. Morrison <phython@gcc.gnu.org>
11444 PR middle-end/21137
11445 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11446 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11447 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11448 signedness of the shift operation.
11450 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11452 PR tree-optimization/26359
11453 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11455 2006-02-25 Roger Sayle <roger@eyesopen.com>
11457 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11458 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11459 as X == 0, and some symmetry related transformations.
11460 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11462 2006-02-25 Roger Sayle <roger@eyesopen.com>
11464 PR middle-end/23673
11465 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11466 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11467 symmetry related transformations. Fold (X^C1) == C2 as
11470 2006-02-25 Juergen Weigert <jw@suse.de>
11471 Richard Guenther <rguenther@suse.de>
11473 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11475 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11477 * combine.c (gen_lowpart_or_truncate): Call
11478 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11480 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11482 * doc/invoke.texi: Move -fopenmp description to "Options for
11484 Remove reference to -lgomp.
11486 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11488 * doc/install.texi: Require GNU tar version 1.14.
11490 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11492 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11493 * doc/invoke.texi (C++ Dialect Options): Document
11494 -fno-use-cxa-get-exception-ptr.
11495 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11496 * configure: Regenerate.
11497 * c.opt (fuse-cxa-get-exception-ptr): New.
11498 * c-opts.c (c_common_handle_option): Handle
11499 OPT_fuse_cxa_get_exception_ptr.
11500 * c-common.c (flag_use_cxa_atexit): Update documentation.
11501 (flag_use_cxa_get_exception_ptr): New.
11502 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11503 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11505 (C_COMMON_OVERRIDE_OPTIONS): New.
11507 2006-02-24 Roger Sayle <roger@eyesopen.com>
11509 PR middle-end/24952
11510 * combine.c (try_combine): Explicitly check whether GET_CODE is
11511 a SET or a CLOBBER, instead on checking that it isn't a USE.
11513 2006-02-24 Roger Sayle <roger@eyesopen.com>
11515 * fold-const.c (fold_comparison): New subroutine of fold_binary
11516 containing transformations common to both the equality and
11517 ordering relational operators, factored out of fold_binary.
11518 (fold_binary): Separate out the equality operators (EQ_EXPR
11519 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11520 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11521 transformations common to both.
11522 (fold_div_compare): Fix latent bugs in the previously unreachable
11523 LT_EXPR and GE_EXPR cases.
11525 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11527 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11528 decl libname for clog to __clog on AIX.
11530 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11532 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11535 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11536 output traceback table for thunks. Localise rs6000_stack_info call.
11538 2006-02-23 Roger Sayle <roger@eyesopen.com>
11539 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11541 * gthr-posix.h (__gthrw): Fix typo in comment.
11543 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11545 * doc/cpp.texi (Character sets): Document that we do support
11546 input files to be in any character set.
11548 2006-02-23 Jeff Law <law@redhat.com>
11550 * tree.h (PHI_ARG_NONZERO): Remove.
11551 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11552 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11553 node to the new node.
11555 PR tree-optimization/26425
11556 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11557 min/max, then assume its varying.
11559 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11561 PR rtl-optimization/26316
11562 * rtlanal.c (enum may_trap_p_flags): New.
11563 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11564 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11565 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11566 (may_trap_after_code_motion_p): New function.
11567 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11568 (find_invariant_insn): Use may_trap_after_code_motion_p.
11569 * rtl.h (may_trap_after_code_motion_p): Declare.
11571 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11573 * emit-rtl.c (immed_double_const): Cleanup.
11575 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11577 Fix PR tree-optimization/26376
11578 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11581 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11583 PR middle-end/26412
11584 * gimplify.c (omp_add_variable): Guard variable size decl test with
11585 DECL_SIZE (decl) check.
11587 2006-02-23 Richard Guenther <rguenther@suse.de>
11589 PR middle-end/26439
11590 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11591 like aggregate types.
11593 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11595 * configure.ac: Add --with{,out}-long-double-128 configure option.
11596 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11597 * configure: Rebuilt.
11598 * config.in: Rebuilt.
11599 * doc/install.texi (Options specification): Document
11600 --with-long-double-128.
11602 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11603 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11604 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11605 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11607 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11609 * config/s390/s390.c (override_options): Handle
11610 TARGET_DEFAULT_LONG_DOUBLE_128.
11612 * config/alpha/alpha.c (override_options): Handle
11613 TARGET_DEFAULT_LONG_DOUBLE_128.
11615 * config/sparc/sparc.c (sparc_override_options): Handle
11616 TARGET_DEFAULT_LONG_DOUBLE_128.
11618 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11620 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11621 (real-install-headers-tar, real-install-headers-cpio)
11622 (real-install-headers-cp): New targets.
11624 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11626 * tree.h (variable_section): Delete.
11627 * varasm.c (variable_section): Delete.
11629 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11631 * install.texi: Add notes on install.texi2html.
11632 (Building in parallel): Do not use footnotes.
11634 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11637 * doc/install.texi (Configuration): Document --disable-libgomp.
11639 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11641 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11643 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11645 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11646 (vec_extractv2df_0_sse): New.
11648 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11650 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11651 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11652 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11653 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11654 to the result of the expression.
11655 (def_cfa_1): Adjust.
11656 (frame_pointer_cfa_offset): Rename to...
11657 (frame_pointer_fb_offset): ... this. Adjust all uses.
11658 (convert_cfa_to_loc_list): Rename to...
11659 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11660 Pass it on to build_cfa_loc.
11661 (compute_frame_pointer_to_cfa_displacement): Rename to...
11662 (compute_frame_pointer_to_fb_displacement): ... this. New
11663 offset parameter. Use it in computation.
11664 (gen_subprogram_die): Compute cfa_fb_offset with the new
11665 macro, and use it to compute the fb loc list and the
11668 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11670 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11671 replaced with register_operand.
11672 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11673 non-DREG is expensive.
11674 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11675 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11678 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11680 * doc/install.texi2html: Use set -e.
11682 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11684 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11685 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11686 * doc/invoke.texi (-fshared-data): Delete.
11687 * common.opt (fshared-data): Delete.
11688 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11689 (assemble_static_space): Remove #if 0 code.
11690 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11691 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11692 * config/cris/cris.h: Remove FIXME.
11694 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11696 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11699 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11701 PR middle-end/26379
11702 * combine.c (simplify_shift_const_1): Disable nested shifts
11703 optimization for vector shifts.
11705 2006-02-20 Roger Sayle <roger@eyesopen.com>
11707 PR tree-optimization/26361
11708 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11709 of unsigned integer types.
11711 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11713 * tree-chrec.c (eq_evolutions_p): New.
11714 * tree-chrec.h (eq_evolutions_p): Declared.
11715 * tree-data-ref.c: Fix formatting.
11716 (datadep_stats, dependence_stats): New.
11718 (print_direction_vector): New.
11719 (dump_data_dependence_relation): Use print_direction_vector.
11720 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11721 (compute_subscript_distance): Static.
11722 (initialize_data_dependence_relation): Static. Get the number
11723 of loops surrounding the references from the callers, and initialize
11724 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11725 base_object_differ_p analyzers.
11726 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11727 compute_overlap_steps_for_affine_1_2,
11728 analyze_subscript_affine_affine): Count the classified dependences.
11729 Print a message when a test failed.
11730 (can_use_analyze_subscript_affine_affine): New.
11731 (analyze_siv_subscript): Compute the data dependences on symbolic
11732 scevs that verify can_use_analyze_subscript_affine_affine.
11733 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11734 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11735 Handle symbolic scevs.
11736 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11738 (subscript_dependence_tester): Moved...
11739 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11740 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11741 DDR_SIZE_VECT instead of getting it in parameter.
11742 (subscript_dependence_tester): ... here. Take as a parameter
11743 loop_nest_depth. Call build_classic_dist_vector and
11744 build_classic_dir_vector.
11745 (compute_affine_dependence): Update subscript_dependence_tester
11746 parameters. Update datadep_stats counters. Call
11747 compute_subscript_distance.
11748 (compute_self_dependence): Save the dist and dir vectors. Call
11749 compute_subscript_distance.
11750 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11751 (compute_all_dependences): Reorder parameters as they were before
11752 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11753 compute_subscript_distance. Update the use of
11754 compute_affine_dependence and initialize_data_dependence_relation.
11755 (find_data_references_in_loop): Handle COMPONENT_REF.
11756 (compute_data_dependences_for_loop): Initialize dependence_stats.
11757 Don't call build_classic_dist_vector and build_classic_dir_vector.
11758 Update the parameters of initialize_data_dependence_relation and
11759 compute_all_dependences. Print the statistics from datadep_stats.
11760 (analyze_all_data_dependences): Static. Not used until the pass for
11761 checking the data dependences is contributed.
11762 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11763 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11764 (initialize_data_dependence_relation, compute_affine_dependence,
11765 analyze_all_data_dependences, compute_subscript_distance): Removed.
11766 (print_direction_vector): New.
11767 * lambda.h (gcd): ... here.
11768 (lambda_vector_gcd): Moved here from gcd_vector.
11769 * lambda-code.c (gcd, gcd_vector): Removed.
11770 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11771 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11773 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11775 * ipa-type-escape.c: Tidy some comments and white space.
11776 * tree-ssa-operands.c: Likewise.
11778 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11781 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11782 (dump_decl_name): Do not walk the decl tree chains.
11783 * tree-pass.h (TDF_CHAIN): Remove.
11785 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11787 * Makefile.in (C): Remove
11789 (.PHONY): Remove C and PROTO
11791 2006-02-20 Roger Sayle <roger@eyesopen.com>
11793 PR middle-end/26236
11794 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11795 deprecated CHAR_TYPE tree code.
11797 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11799 * configure.ac (target_list): Add install-info, dvi, html.
11800 * configure: Regenerate.
11802 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11803 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11804 treelang/Make-lang.in: Do not use double-colon rules.
11806 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11808 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11809 (TMT_USED_ALONE): New macro.
11810 * tree-pass.h (PROP_tmt_usage): New property.
11811 (TODO_update_tmt_usage): New todo.
11812 * tree-ssa-alias.c (updating_used_alone): New variable.
11813 (recalculate_used_alone): New function.
11814 (compute_may_aliases): Set updating_used_alone, call
11815 recalculate_used_alone.
11816 * tree-sra.c (pass_sra): Note that this pass destroys
11817 PROP_tmt_usage, and add TODO_update_tmt_usage.
11818 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11819 * tree-flow.h (updating_used_alone): Prototype.
11820 (recalculate_used_alone): Ditto.
11821 * passes.c (execute_todo): Add code to set updating_used_alone,
11822 and call recalculate.
11823 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11824 for clobber if used alone, and add assert to verify used_alone
11827 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11829 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11830 for non tls symbols added.
11831 (legitimize_address): Do nothing for PLUS expressions if one of the
11832 addends is a tls symbol reference.
11834 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11838 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11840 * Makefile.in (BOOTSTRAPPING): New.
11841 (quickstrap): New definition if BOOTSTRAPPING=yes.
11843 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11844 * configure.ac: Substitute all_selected_languages with the languages
11845 that were configured. For all the other variables except
11846 lang_specs_files, include all the languages in the tree.
11847 * configure: Regenerate.
11849 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11850 if there is one. Run the commands to run fixincludes in the same
11853 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11854 * doc/install.texi: Document exact conventions for searching target tools.
11855 Document --with-build-time-tools. Document toplevel bootstrap. Document
11856 something more about building an Ada cross-compiler. Don't list GNU Make
11857 requirements which affect all platforms.
11859 2006-02-19 Roger Sayle <roger@eyesopen.com>
11861 PR middle-end/19543
11862 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11863 only equivalent if the have both the same mode and precision.
11865 2006-02-20 Ben Elliston <bje@au.ibm.com>
11867 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11869 2006-02-19 Roger Sayle <roger@eyesopen.com>
11870 Steven Bosscher <stevenb.gcc@gmail.com>
11872 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11873 constant pool references to identify stack mode constants.
11874 * rtlanal.c (constant_pool_constant_p): New predicate to check
11875 whether operand is a floating point constant in the pool.
11876 * rtl.h (constant_pool_constant_p): Prototype here.
11877 * loop.c (scan_loop): Avoid hoisting constants from the constant
11878 pool on STACK_REGS targets.
11879 (load_mems): Likewise.
11880 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11881 loads into x87 registers expensive in terms of register pressure.
11883 2006-02-19 Roger Sayle <roger@eyesopen.com>
11885 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11886 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11888 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11890 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11891 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11893 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11895 * doc/invoke.texi: Document -fipa-pta.
11896 * common.opt: Add ipa-pta option.
11897 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11898 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11899 (do_ds_constraint): Ditto.
11900 (get_constraint_for): Only add to referenced_vars if
11901 referenced_vars exists.
11902 (insert_into_field_list): Rewrite to do this unsorted.
11903 (insert_into_field_list_sorted): Rename old insert_into_field_list
11905 (create_function_info_for): Use insert_into_field_list_sorted.
11906 (create_variable_info_for): Rewrite so it uses unsorted version,
11907 since the field list is sorted.
11908 (intra_create_variable_infos): Only add to referenced_vars if
11909 referenced_vars exists.
11910 (ipa_pta_execute): Init heapvars, and delete when done.
11911 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11913 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11915 * doc/install.texi: Add missing `@samp'.
11917 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11919 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11922 2006-02-18 Mark Wielaard <mark@klomp.org>
11924 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11925 who added new 4.1 features, bug fixes and integration support.
11927 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11930 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11931 MEM for ABI_V4 pic.
11933 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11935 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11936 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11937 (copy_insn_1): Likewise. Don't copy each field individually.
11939 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11941 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11942 * rtl.c (rtx_size): Rename variable to...
11943 (rtx_code_size): ...this.
11944 (rtx_size): New function.
11945 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11946 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11948 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11949 * rtl.h (rtx_code_size): New variable.
11950 (rtx_size): Change from a variable to a function.
11951 (RTX_SIZE): Rename to...
11952 (RTX_CODE_SIZE): ...this.
11955 PR tree-optimization/17106
11956 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11957 (Anchored Addresses): New section.
11958 * doc/invoke.texi (-fsection-anchors): Document.
11959 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11960 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11961 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11962 * hooks.c (hook_bool_mode_rtx_false): New function.
11963 * hooks.h (hook_bool_mode_rtx_false): Declare.
11964 * gengtype.c (create_optional_field): New function.
11965 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11966 SYMBOL_REF_IN_BLOCK_P is true.
11967 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11968 (min_anchor_offset, max_anchor_offset): Likewise.
11969 (use_anchors_for_symbol_p): New hook.
11970 * toplev.c (compile_file): Call output_object_blocks.
11971 (target_supports_section_anchors_p): New function.
11972 (process_options): Check that -fsection-anchors is only used on
11973 targets that support it and when -funit-at-a-time is in effect.
11974 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11975 if the decl doesn't have one.
11976 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11977 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11978 of force_const_mem through use_anchored_address.
11979 (expand_expr_constant): New function.
11980 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11981 calling expand_expr for INDIRECT_REF.
11982 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11983 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11984 * expr.h (use_anchored_address): Declare.
11985 * loop-unroll.c: Don't declare rtx vectors here.
11986 * explow.c: Include output.h.
11987 (validize_mem): Call use_anchored_address.
11988 (use_anchored_address): New function.
11989 * common.opt (-fsection-anchors): New switch.
11990 * varasm.c (object_block_htab, anchor_labelno): New variables.
11991 (hash_section, object_block_entry_eq, object_block_entry_hash)
11992 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11993 (use_blocks_for_decl_p, change_symbol_section): New functions.
11994 (get_variable_section): New function, split out from assemble_variable.
11995 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11996 use_blocks_for_decl_p say so. Use change_symbol_section if the
11997 symbol has already been created.
11998 (assemble_variable_contents): New function, split out from...
11999 (assemble_variable): ...here. Don't output any code for
12000 block symbols; just pass them to place_block_symbol.
12001 Use get_variable_section and assemble_variable_contents.
12002 (get_constant_alignment, get_constant_section, get_constant_size): New
12003 functions, split from output_constant_def_contents.
12004 (build_constant_desc): Create a block symbol if use_object_blocks_p
12005 says so. Or into SYMBOL_REF_FLAGS.
12006 (assemble_constant_contents): New function, split from...
12007 (output_constant_def_contents): ...here. Don't output any code
12008 for block symbols; just pass them to place_section_symbol.
12009 Use get_constant_section and get_constant_alignment.
12010 (force_const_mem): Create a block symbol if use_object_blocks_p and
12011 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12012 (output_constant_pool_1): Add an explicit alignment argument.
12013 Don't switch sections here.
12014 (output_constant_pool): Adjust call to output_constant_pool_1.
12015 Switch sections here instead. Don't output anything for block symbols;
12016 just pass them to place_block_symbol.
12017 (init_varasm_once): Initialize object_block_htab.
12018 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12019 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12020 (place_block_symbol, get_section_anchor, output_object_block)
12021 (output_object_block_htab, output_object_blocks): New functions.
12022 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12023 (TARGET_ASM_OUT): Include it.
12024 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12025 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12026 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12027 (TARGET_INITIALIZER): Include them.
12028 * rtl.c (rtl_check_failed_block_symbol): New function.
12029 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12030 (block_symbol, object_block): New structures.
12031 (rtx_def): Add a block_symbol field to the union.
12032 (BLOCK_SYMBOL_CHECK): New macro.
12033 (rtl_check_failed_block_symbol): Declare.
12034 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12035 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12036 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12037 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12038 * output.h (output_section_symbols): Declare.
12039 (object_block): Name structure.
12040 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12041 (default_use_anchors_for_symbol_p): Declare.
12042 * Makefile.in (RTL_BASE_H): Add vec.h.
12043 (explow.o): Depend on output.h.
12044 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12045 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12046 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12047 (rs6000_use_blocks_for_constant_p): New function.
12049 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12051 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12053 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12056 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12059 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12061 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12065 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12067 PR middle-end/26334
12068 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12069 instead of DECL_REGISTER.
12071 2006-02-18 Olivier Hainque <hainque@adacore.com>
12074 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12076 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12079 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12080 * opth-gen.awk: Handle Var and InverseMask together.
12081 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12082 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12083 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12084 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12086 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12087 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12088 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12089 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12090 LINUX_DYNAMIC_LINKER): Define.
12091 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12092 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12094 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12095 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12096 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12098 (TARGET_C99_FUNCTIONS): Don't define.
12099 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12100 GLIBC_DYNAMIC_LINKER.
12101 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12102 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12103 GLIBC_DYNAMIC_LINKER64): Define.
12104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12105 LINUX_DYNAMIC_LINKER64.
12106 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12108 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12110 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12112 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12113 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12114 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12116 and LINUX_DYNAMIC_LINKER32.
12117 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12119 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12121 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12123 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12124 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12125 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12126 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12127 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12128 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12129 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12130 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12131 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12132 LINUX_DYNAMIC_LINKER): Define.
12133 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12134 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12135 GLIBC_DYNAMIC_LINKER64): Define.
12136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12137 LINUX_DYNAMIC_LINKER64.
12138 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12139 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12140 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12141 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12142 LINUX_DYNAMIC_LINKER): Define.
12143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12144 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12145 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12146 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12147 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12148 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12149 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12150 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12151 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12152 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12153 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12154 * doc/invoke.texi (-muclibc): Remove caveat about supported
12157 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12159 * doc/cpp.texi (__TIMESTAMP__): Document.
12161 2006-02-17 Roger Sayle <roger@eyesopen.com>
12163 PR middle-end/25600
12164 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12165 C is one less than the width of X (and related transformations).
12166 * simplify-rtx.c (simplify_unary_operation_1): Transform
12167 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12168 depending on STORE_FLAG_VALUE, were C is one less then the
12171 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12173 Fix PR tree-optimization/26341
12174 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12175 about NAME_MEMORY_TAG's.
12177 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12180 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12181 with hardware float support, and software float support. Add fcpy
12182 alternative to hardware patterns. Add alternatives to copy between
12183 general and floating-point registers to the 32-bit pattern.
12184 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12185 secondary reload to load a QI or HI mode constant into a floating
12187 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12188 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12190 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12193 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12195 (load_macho_picbase_di): Likewise.
12197 2006-02-16 Jeff Law <law@redhat.com>
12199 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12200 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12201 (ssa_name_nonzero_p): Likewise.
12202 (get_value_range): Return NULL if VRP is not running.
12203 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12204 VRP routines do not discover a range.
12205 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12206 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12207 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12208 (tree_expr_nonnegative_p): Similarly.
12209 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12210 (restore_nonzero_vars_to_original_value): Remove.
12211 (unsafe_associative_fp_binop): Remove.
12212 (tree_ssa_dominator_optimize): Remove initialization and
12213 finalization of nonzero_vars and nonzero_vars_stack.
12214 (dom_opt_initialize_block): No longer push marker on
12215 nonzero_vars_stack.
12216 (dom_opt_finalize_block): No longer call
12217 restore_nonzero_vars_to_original_value.
12218 (record_equivalences_from_phis): No longer look for
12219 nonzero PHI arguments.
12220 (cprop_into_successor_phis): No longer propagate nonzero
12221 property into PHI arguments. Lose unused argument. Caller
12223 (record_equivalences_from_stmt): No longer record nonzero
12224 values for SSA_NAMEs.
12225 (lookup_avail_expr): No longer use nonzero_vars.
12227 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12228 for sizetype when sizetype is unsigned.
12230 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12232 PR rtl-optimization/25603
12233 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12234 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12235 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12236 with new meaning of SETS.
12238 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12243 * config/linux.opt: New file.
12244 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12245 LINUX_DYNAMIC_LINKER): Define.
12246 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12247 * config.gcc (*-*-linux*): Define extra_options.
12248 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12249 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12250 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12251 GLIBC_DYNAMIC_LINKER.
12252 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12253 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12254 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12256 * doc/invoke.texi (GNU/Linux Options): New section.
12258 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12260 * config/sparc/sparc.md (setjmp): Rewrite.
12261 (setjmp_32): Delete.
12262 (setjmp_64): Likewise.
12264 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12266 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12269 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12271 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12274 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12276 PR rtl-optimization/26296
12277 * Makefile.in (loop-invariant.c): Add except.h dependency.
12278 * loop-invariant.c: Include except.h.
12279 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12281 2005-02-16 Paul Brook <paul@codesourcery.com>
12283 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12286 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12288 PR rtl-optimization/25636
12289 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12290 when deciding whether an insn is an initializing insn.
12292 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12294 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12295 (tree_code_size): Ditto.
12296 * tree.h (struct tree_memory_tag): Remove parent_var.
12297 (struct tree_struct_field_tag): New.
12300 (union tree_node): Add sft member.
12301 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12303 (create_sft): Add size and offset argument, set SFT_OFFSET and
12305 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12306 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12307 * tree-flow-inline.h (get_subvar_at): Update for
12308 SFT_OFFSET/SFT_SIZE.
12309 (var_can_have_subvars): Ditto.
12310 (overlap_subvar): Ditto.
12311 * print-tree.c (print_node): Print out interesting things for
12313 * tree-flow.h (struct subvar): Remove offset and size members.
12314 * tree-ssa-operands.c (get_expr_operands): Update for
12315 get_indirect_ref_operands changes.
12316 (get_indirect_ref_operands): Call add_virtual_operand instead of
12317 add_stmt_operand. Only recurse on base var if requested.
12318 (access_can_touch_variable): New function.
12319 (add_stmt_operand): Split virtual operand handling into ...
12320 (add_virtual_operand): Here. Add offset, size, and for_clobber
12321 arguments. Prune alias sets.
12322 (add_call_clobber_ops): Call add_virtual_operand.
12324 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12326 PR middle-end/26300
12327 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12329 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12330 than TREE_CODE as index into omp_clause_num_ops array.
12332 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12334 PR rtl-optimization/26184
12335 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12337 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12338 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12339 must_precede, must_follow and tobe_scheduled.
12342 * opts.c (common_handle_option): Free new_option pointer.
12343 * df-core.c (df_analyze): Free postorder pointer.
12345 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12347 * Makefile.in: Fix the examples about the use of stamps
12349 2006-02-15 Michael Matz <matz@suse.de>
12351 PR middle-end/22275
12353 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12354 influenced by maximum_field_alignment or DECL_PACKED.
12355 (update_alignment_for_field): Ditto.
12356 (place_field): Ditto.
12357 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12360 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12362 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12363 (debug_flow_info): Pass it.
12364 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12365 * bb-reorder.c (reorder_basic_blocks): Likewise.
12366 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12367 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12368 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12369 * gcse.c (gcse_main, bypass_jumps): Likewise.
12370 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12371 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12372 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12373 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12374 * rtl.h (dump_flow_info): Adjust prototype.
12375 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12376 * var-tracking.c (variable_tracking_main): Likewise.
12377 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12378 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12381 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12383 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12386 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12388 PR tree-optimization/26209
12389 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12390 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12392 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12394 2006-02-14 Roger Sayle <roger@eyesopen.com>
12396 PR middle-end/23670
12397 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12398 (X,Y) and the corresponding symmetry related transformations.
12399 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12400 (X,Y) and its symmetry related transformations.
12402 2006-02-14 Roger Sayle <roger@eyesopen.com>
12404 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12407 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12409 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12411 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12414 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12415 support COMDAT group.
12416 * configure: Regenerate.
12418 2006-02-14 Roger Sayle <roger@eyesopen.com>
12420 PR middle-end/26279
12421 PR middle-end/26280
12422 PR middle-end/26283
12423 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12425 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12427 Fix PR tree-optimization/26260
12429 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12431 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12432 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12433 * tree-ssa-structalias.c (create_variable_info_for): Use
12434 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12436 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12438 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12440 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12441 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12442 of the ending condition.
12443 * tree-ssa-loop-manip.c: Include params.h.
12444 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12445 tree_unroll_loop): New functions.
12446 * tree-pass.h (pass_loop_prefetch): Declare.
12447 * loop.c (rest_of_handle_loop_optimize): Test for
12448 -fprefetch-loop-arrays-rtl.
12449 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12450 * timevar.def (TV_TREE_PREFETCH): New timevar.
12451 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12452 pass_loop_prefetch): New.
12453 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12454 (cleanup_tree_cfg_loop): Call scev_reset.
12455 * common.opt (fprefetch-loop-arrays-rtl): Add.
12456 * tree-ssa-loop-prefetch.c: New file.
12457 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12458 (new_temp_expr_table): Initialize expr_vars.
12459 (free_temp_expr_table): Cleanup expr_vars.
12460 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12461 expressions from being merged into one.
12462 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12463 (struct tree_niter_desc): Add control, bound and cmp fields.
12464 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12466 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12467 (tree-cfgcleanup.o): Add SCEV_H dependency.
12468 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12469 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12471 2006-02-14 Richard Guenther <rguenther@suse.de>
12473 PR tree-optimization/26258
12474 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12475 in PHI argument processing.
12477 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12479 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12480 new expression in the requested machine mode.
12482 2006-02-13 Roger Sayle <roger@eyesopen.com>
12484 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12485 directly, instead let do_compare_rtx_and_jump handle this for us.
12486 * expr.c (expand_expr_real_1): Likewise.
12487 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12488 before do_jump_by_parts_greater.
12489 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12490 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12492 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12494 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12496 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12498 PR rtl-optimization/26235
12499 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12500 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12503 2006-02-13 Jeff Law <law@redhat.com>
12505 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12508 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12510 PR middle-end/26092
12511 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12512 twice if decl is a builtin. When trying again, call get_callee_fndecl
12513 first to verify it is still a builtin.
12515 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12517 * dwarf2out.c (base_type_die): Don't add AT_name here.
12518 (subrange_type_die): Don't add AT_name here.
12519 (modified_type_die): Rearrange code flow. Do add AT_name here.
12521 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12523 PR rtl-optimization/26247
12524 PR rtl-optimization/26248
12525 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12527 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12529 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12530 * config/fixtfdi.c: Likewise.
12531 * config/fixunstfdi.c: Likewise.
12532 * config/floatditf.c: Likewise.
12534 2006-02-13 Roger Sayle <roger@eyesopen.com>
12536 PR middle-end/24427
12537 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12538 into (X,C2) if C1 is a subset of the bits of C2. Transform
12539 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12541 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12543 2006-02-13 Josh Conner <jconner@apple.com>
12546 * varasm.c (function_section): Check for section name before
12547 calling select_section on targets that define
12548 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12549 unlikely_text_section instead of hot_function_section if
12550 first_function_block_is_cold.
12552 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12554 PR middle-end/25335
12555 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12557 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12559 PR rtl-optimization/26222
12560 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12561 after tree->rtl expansion.
12562 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12563 before passing it to emit_move_insn.
12565 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12567 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12569 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12570 Clarify documentation.
12571 * c-common.h (warn_write_strings): Remove.
12572 * c-common.c (warn_write_strings): Likewise.
12573 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12576 2006-02-12 Roger Sayle <roger@eyesopen.com>
12578 PR middle-end/25724
12579 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12580 (do_jump_parts_zero_rtx): New function renamed from
12581 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12582 (do_jump_parts_equality_rtx): New function split out from
12583 do_jump_parts_equality. Old implementation renamed as above.
12584 Call do_jump_parts_zero_rtx if either operand is zero.
12585 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12586 do all of the heavy lifting.
12587 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12588 calling either do_jump_by_parts_greater_rtx or
12589 do_jump_by_parts_equality_rtx.
12590 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12591 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12592 moved to do_compare_rtx_and_jump, call it directly.
12593 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12594 mode argument. Call do_compare_rtx_and_jump.
12595 (emit_case_nodes): Update calls to do_jump_if_equal.
12597 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12599 PR rtl-optimization/26225
12600 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12602 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12604 PR rtl-optimization/26232
12605 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12607 2006-02-11 Jason Merrill <jason@redhat.com>
12610 * tree-inline.c (declare_return_variable): Just don't use the
12611 modify target if it's a gimple complex reg and the return slot
12614 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12616 * doc/contrib.texi: Update my entry.
12618 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12620 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12622 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12624 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12627 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12629 * doc/invoke.texi (-floop-optimize2): Removed.
12630 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12631 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12632 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12633 * common.opt (floop-optimize2): Removed.
12634 (fmove-loop-invariants): Enabled by default.
12636 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12638 * tree-if-conv.c (combine_blocks): Free the result of
12639 get_loop_exit_edges.
12641 2006-02-10 Jeff Law <law@redhat.com>
12643 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12645 PR tree-optimization/26213
12646 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12647 loop trying to follow SSA_NAME_VALUE chains.
12649 2006-02-10 Richard Guenther <rguenther@suse.de>
12651 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12652 deal with structures that end in implicitly variable sized arrays.
12654 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12656 PR rtl-optimization/24762
12657 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12660 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12662 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12663 (struct ivopts_data): Add regs_used field.
12664 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12665 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12666 instead of loop_data->regs_used;
12667 (free_loop_data): Do not free aux fields for loops.
12668 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12669 and tree_ssa_iv_optimize_finalize.
12671 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12673 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12675 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12678 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12679 computing the effective result type.
12681 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12683 PR inline-asm/16194
12684 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12685 (tree_overlaps_hard_reg_set): Declare.
12686 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12687 type and signature to match function type expected by walk_tree.
12688 (tree_overlaps_hard_reg_set): New function.
12689 (decl_conflicts_with_clobbers_p): Rename to:
12690 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12691 Use tree_overlaps_hard_reg_set. Changed caller.
12692 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12693 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12694 * cris.c (cris_md_asm_clobbers): Likewise.
12696 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12698 * reload1.c (emit_input_reload_insns): Delete code that tries to
12699 inherit using find_equiv_reg.
12701 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12703 * c-common.h (flag_const_strings): Don't declare.
12704 * c-common.c (flag_const_strings): Remove.
12705 * c.opt (fconst_strings): Remove.
12706 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12707 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12708 (c_common_init_options): Don't set flag_const_strings.
12709 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12711 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12713 * arm.md (tlobits_cbranch): New pattern.
12714 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12715 testing a single bit.
12717 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12720 * tree-ssa-pre.c (create_component_ref_by_pieces):
12721 Handle RETURN_DECL like VAR_DECL.
12723 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12725 PR middle-end/26134
12726 * fold-const.c (fold_indirect_ref_1): Fold
12727 "*(foo *)&complexfoo" to "__real__ complexfoo"
12728 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12730 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12732 * tree-flow-inline.h (var_can_have_subvars):
12733 Volatile variables should not have subvariables.
12735 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12738 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12739 multiplying unsigned values.
12742 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12744 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12746 2006-02-08 Jason Merrill <jason@redhat.com>
12749 * tree.def: Elaborate on difference from MODIFY_EXPR.
12750 * doc/c-tree.texi (INIT_EXPR): Likewise.
12751 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12752 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12753 (gimplify_target_expr): Likewise.
12754 (gimplify_cond_expr): Remove target handling.
12755 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12756 (gimplify_expr): Clobber it here.
12757 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12758 Do return slot optimization if we have an INIT_EXPR.
12761 * tree-inline.c (declare_return_variable): Also clear
12762 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12765 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12767 PR middle-end/22439
12768 * gimplify.c (gimplify_one_sizepos): Fix typo.
12770 2006-02-08 Jeff Law <law@redhat.com>
12772 PR tree-optimization/21417
12773 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12774 across a backedge if the control statement at the end of the
12775 block is data dependent on other statements in the same block.
12776 (record_temporary_equivalences_from_stmts): Remove over-conservative
12777 test for threading across backedges.
12779 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12780 control statement, handle all three special cases in the same
12781 manner as they all have the same desired solution. No longer
12782 special case edge flag updating when the post dominator is
12785 2006-02-08 Roger Sayle <roger@eyesopen.com>
12787 * tree.def (CHAR_TYPE): Remove.
12788 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12789 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12790 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12791 (gen_string_type_die): Delete unreachable function.
12793 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12794 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12795 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12796 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12797 * builtins.c (type_to_class): Likewise.
12798 * fold-const.c (fold_convert, build_range_check,
12799 merge_ranges): Likewise.
12800 * expr.c (count_type_elements): Likewise.
12801 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12802 * stor-layout.c (layout_type): Likewise.
12803 * ipa-type-escape.c (type_to_consider): Likewise.
12804 * gimplify.c (omp_firstprivatize_type_sizes,
12805 gimplify_type_sizes): Likewise.
12806 * explow.c (promote_mode): Likewise.
12807 * tree-sra.c (is_sra_scalar_type): Likewise.
12808 * varasm.c (output_constant): Likewise.
12809 * tree-inline.c (remap_type_1): Likewise.
12810 * convert.c (convert_to_pointer, convert_to_real,
12811 convert_to_integer, convert_to_complex): Likewise.
12813 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12815 * df-scan.c (df_def_record_1): A set destination may
12816 be a parallel regardless of mode.
12818 2006-02-08 Roger Sayle <roger@eyesopen.com>
12821 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12822 * config/mips/_tilib.c: Remove.
12823 * config/fixtfdi.c: New libgcc source file.
12824 * config/fixunstfdi.c: New source file.
12825 * config/floatditf.c: New source file.
12826 * config/floatunditf.c: New souce file.
12827 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12828 files above instead of config/mips/_tilib.c.
12829 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12831 2006-02-08 Jeff Law <law@redhat.com>
12833 PR tree-optimization/26169
12834 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12837 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12839 * df.h (DF_REG_SIZE): Return the length of the initialized
12842 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12844 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12845 __muldf3): Return a correctly signed zero.
12847 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12849 * passes.c (register_one_dump_file): Accept the current properties
12850 instead of pass number. Adjust call to dump_register. Remove
12852 (register_dump_files): Now a wrapper around...
12853 (register_dump_files_1): ... this one. Do not modify the pass
12855 (next_pass_1): Cosmetic fix.
12856 (execute_todo): Keep second parameter only. Use curr_properties
12857 instead of fetching it from the pass structure. Check and set
12859 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12860 instead of fetching it from the pass structure. Fix calls to
12861 execute_todo. Update curr_properties and initialize .vcg RTL dump
12862 after running the pass. Reset last_verified.
12863 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12865 (FIRST_AUTO_NUMBERED_DUMP): New.
12866 (dump_register): Remove "num" parameter, assign it within the
12868 (get_dump_file_name): Modify template for dumps.
12869 * tree-dump.h (dump_register): Adjust prototype.
12870 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12871 (PROP_trees): Add PROP_gimple_lomp.
12872 (TODO_set_props): New.
12873 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12874 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12875 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12877 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12879 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12880 (sparc64-*-linux*): Likewise.
12881 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12882 * config/sparc/t-linux: New file.
12883 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12884 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12885 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12886 -m32 -mlong-double-128.
12888 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12889 * config/alpha/t-linux: New file.
12890 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12892 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12893 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12894 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12895 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12896 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12897 (CPP_ARCH32_SPEC): Remove.
12899 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12901 PR tree-optimization/26145
12902 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12905 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12908 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12909 >= 240000 when generating code for SOM runtime.
12910 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12911 to $$dyncall when generating code for SOM runtime..
12913 2006-02-07 Dirk Mueller <dmueller@suse.com>
12916 * doc/invoke.texi (-Wsequence-point): Update documentation
12917 that -Wsequence-point is implemented for C++ as well.
12919 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12921 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12922 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12923 (LIB_SPEC): Likewise.
12924 * doc/invoke.texi (SPARC options): Document -pthread.
12926 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12928 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12931 2006-02-07 Roger Sayle <roger@eyesopen.com>
12933 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12934 Correct comment describing BOOLEAN_TYPE.
12936 2006-02-07 Dirk Mueller <dmueller@suse.com>
12938 * c.opt: C++ frontend supports -Wdiv-by-zero.
12939 * c-opts.c (c_common_handle_option): Remove dead case.
12941 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12943 * configure.ac (TLS assembler check): Do not enable TLS by
12944 default on SPARC/Solaris before version 10.
12945 * configure: Regenerate.
12947 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12949 * doc/invoke.texi (xl-compat): Document conversion and support
12952 2006-02-07 Jeff Law <law@redhat.com>
12954 * tree-vrp.c (find_conditional_asserts): Update comments.
12955 (simplify_stmt_for_jump_threading): New.
12956 (identify_jump_threads, finalize_jump_threads): New.
12957 (vrp_finalize): Call identify_jump_threads.
12958 (execute_vrp): Call finalize_jump_threads.
12959 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12960 (vrp_element, vrp_data, vrp_element_p): Remove.
12961 (vrp_hash_elt, vrp_variables_stack): Remove.
12962 (vrp_hash, vrp_eq, record_range): Remove.
12963 (simplify_cond_and_lookup_avail_expr): Remove.
12964 (extract_range_from_cond): Remove.
12965 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12966 (simplify_stmt_for_jump_threading): New.
12967 (dom_thread_across_edge): New wrapper.
12968 (tree_ssa_dominator_optimize): No longer initialize or
12969 finalize any of the VRP datastructures. Remove iteration
12970 step and simplify as a result of removal of iteration step.
12971 (pass_dominator): Perform a cfg cleanup after DOM.
12972 (dom_opt_finalize_block): Use the new common routines
12973 for threading jumps. Simplify stack management slightly.
12974 No longer need to unwind VRP state.
12975 (record_equivalences_from_incoming_edge): No longer record
12977 (eliminate_redundant_computations): No longer call
12978 simplify_cond_and_lookup_avail_expr.
12979 * tree-flow.h (potentially_threadable_block): Prototype.
12980 (thread_across_edge): Likewise.
12981 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12982 (tree-ssa-threadedge.o): Add dependencies.
12983 * tree-ssa-threadedge.c: New file.
12984 * passes.c (init_optimization_passes): Merge PHIs before
12985 calling VRP. Run VRP again late in the SSA optimization pipeline.
12987 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12989 * df-core.c (df_set_blocks): Do not dereference function pointers.
12990 (df_finish1): Likewise.
12991 (df_hybrid_search_forward): Likewise.
12992 (df_hybrid_search_backward): Likewise.
12993 (df_iterative_dataflow): Likewise.
12994 (df_analyze_problem): Likewise.
12995 (df_compact_blocks): Likewise.
12996 (df_dump): Likewise.
12997 * df-scan.c (df_rescan_blocks): Likewise.
12998 (df_record_entry_block_defs): Likewise.
13000 * genconditions.c (write_conditions): Guard the definition of
13001 'insn_conditions' with the check on GCC version.
13002 (write_writer): Guard the traversal 'insn_conditions' with
13003 the check on GCC version.
13005 2006-02-07 Richard Guenther <rguenther@suse.de>
13009 2006-01-30 Richard Guenther <rguenther@suse.de>
13011 * gimplify.c (gimplify_target_expr): Handle easy cases
13012 without creating a temporary.
13014 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13016 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13017 use of float in probability computations. Use edge probabilities
13018 in place of statically computed probabilities.
13019 (min_spec_prob): New static variable.
13020 (schedule_insns): Initialize it.
13021 (GET_SRC_PROB): Removed.
13022 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13024 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13027 * config/ia64/unwind-ia64.c: Revert last change.
13028 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13029 (INCOMING_FRAME_SP_OFFSET): Define.
13031 2006-02-06 Roger Sayle <roger@eyesopen.com>
13033 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13035 2006-02-07 Ben Elliston <bje@au.ibm.com>
13037 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13038 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13039 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13040 (ix86_return_in_memory): Handle TDmode.
13041 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13042 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13044 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13046 * reorg.c (dbr_schedule): Use dump_file instead of file.
13048 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13051 * config/ia64/predicates.md (extr_len_operand): New predicate.
13052 * config/ia64/ia64.md (extv): Tighten constraints.
13054 (*tbit_and_2): Ditto.
13055 (*tbit_and_3): Ditto.
13056 (*tbit_or_2): Ditto.
13057 (*tbit_or_3): Ditto.
13058 (*bit_zero): Ditto.
13061 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13064 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13066 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13068 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13069 loop_optimizer_init and loop_optimizer_finalize
13070 * tree-ssa-sink.c (execute_sink_code): Ditto.
13071 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13072 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13073 tree_ssa_loop_done): Ditto.
13074 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13075 * sched-ebb.c: Include output.h.
13076 (schedule_ebbs): Do not use dump argument.
13077 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13078 * loop.c (loop_dump_stream): Removed.
13079 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13081 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13082 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13083 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13084 loop_iterations, strength_reduce, record_biv, record_giv,
13085 final_giv_value, check_final_value, check_ext_dependent_givs,
13086 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13087 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13088 dump_file instead of loop_dump_stream.
13089 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13090 argument dump_file.
13091 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13093 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13094 * haifa-sched.c: Include output.h
13095 (schedule_insns, sched_init): Do not use dump argument.
13096 * mode-switching.c (optimize_mode_switching): Ditto.
13097 * modulo-sched.c (stats_file): Removed.
13098 (print_node_sched_params): Do not call argument dump_file.
13099 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13100 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13102 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13104 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13105 rtl_loop_init, rtl_loop_done): Ditto.
13106 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13107 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13109 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13110 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13111 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13112 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13113 * emit-rtl.c (renumber_insns): Ditto.
13114 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13115 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13116 * regclass.c (regclass): Ditto.
13117 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13118 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13119 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13120 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13122 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13123 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13125 * gcse.c (gcse_file, debug_stderr): Removed.
13126 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13127 rest_of_handle_gcse): Do not use dump argument.
13128 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13129 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13130 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13131 compute_code_hoist_vbeinout, compute_code_hoist_data,
13132 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13133 compute_store_table, build_store_vectors, insert_insn_start_bb,
13134 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13135 store_motion): Use dump_file instead of gcse_file.
13136 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13137 * profile.c (profile_dump_file): Removed.
13138 (branch_prob): Use dump_file instead of profile_dump_file.
13139 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13141 * tree-ssa-copy.c (dump_copy_of): Ditto.
13142 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13143 dump file to life_analysis.
13144 * bt-load.c (branch_target_load_optimize): Ditto.
13145 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13147 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13148 regclass, dbr_schedule): Declaration changed.
13149 * sched-int.h (sched_init): Declaration changed.
13150 * tree-profile.c (tree_profile_dump_file): Removed.
13151 (tree_profile_hooks): Removed profile_dump_file hook.
13152 * rtl-profile (rtl_profile_dump_file): Removed.
13153 (rtl_profile_hooks): emoved profile_dump_file hook.
13154 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13156 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13157 * tree-cfg.c (build_tree_cfg): Ditto.
13158 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13159 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13160 Declaration changed.
13161 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13162 life_analysis and schedule_insns.
13163 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13165 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13167 * config/mips/mips.c (mips_reorg): Ditto.
13168 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13171 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13173 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13174 (s390_mangle_fundamental_type): New.
13175 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13178 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13179 (alpha_mangle_fundamental_type): New.
13180 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13183 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13185 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13187 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13188 (sparc_mangle_fundamental_type): New.
13190 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13192 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13193 (s390x-*-linux*): Likewise.
13194 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13195 * config/s390/t-linux: New file.
13197 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13199 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13200 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13202 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13204 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13205 (ANTIC_SAFE_LOADS): New macro.
13206 (find_or_generate_expression): Add prototype.
13207 (set_contains_value): Allow null set for sake of not always having
13208 to allocate ANTIC_SAFE_LOADS.
13209 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13210 Allow COMPONENT_REF too.
13211 (valid_in_set): Allow COMPONENT_REF.
13212 Check ANTIC_SAFE_LOADS too.
13213 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13214 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13216 (can_PRE_operation): Add COMPONENT_REF.
13217 (create_component_ref_by_pieces): New function.
13218 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13219 (insert_aux): Move AGGREGATE_TYPE_P check here.
13220 (compute_avail): Set bb local stmt uids.
13221 (pass_pre): Use TODO_update_ssa_only_virtuals.
13223 2006-02-06 Ben Elliston <bje@au.ibm.com>
13225 * configure.ac: Unconditionally disable decimal float by default.
13226 * configure: Regenerate.
13228 2006-02-06 Ben Elliston <bje@au.ibm.com>
13230 * read-rtl.c (read_name): Terminate reading on EOF.
13232 2006-02-06 Ben Elliston <bje@au.ibm.com>
13234 * dfp.c (decimal_real_arithmetic): Change second argument type
13235 from int to enum tree_code. Do not always return true, but now
13236 return result of any call to decimal_do helper functions.
13237 * dfp.h (decimal_real_arithmetic): Update prototype.
13239 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13241 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13243 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13246 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13249 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13251 * tree-vrp.c (cfg_loops): Removed.
13252 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13253 Use current_loops instead of cfg_loops. Pass flags to
13254 loop_optimizer_init.
13255 * cfgloopmanip.c (fix_loop_structure): Update only available
13257 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13258 loop_optimizer_init.
13259 * modulo-sched.c (build_loops_structure): Removed.
13260 (sms_schedule): Use loop_optimizer_init.
13261 * loop-init.c (loop_optimizer_init): Use flags to determine
13262 which properties of loops to prepare.
13263 (rtl_loop_init): Pass flags to loop_optimizer_init.
13264 * tree-ssa-sink.c (execute_sink_code): Ditto.
13265 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13266 * tree-ssa-pre.c (init_pre): Ditto.
13267 * cfgloop.h (LOOPS_NORMAL): New.
13268 (loop_optimizer_init): Declaration changed.
13270 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13272 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13273 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13275 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13277 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13279 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13280 * pa/t-pa64: Delete quadlib.c rule.
13281 * pa/x-ada: Revert last change.
13282 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13284 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13286 PR rtl-optimization/26087
13287 * rtlanal.c (canonicalize_condition): Do not cross basic block
13290 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13293 * config/ia64/ia64.c: Include debug.h.
13294 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13295 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13296 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13297 (process_epilogue, process_set, process_for_unwind_directive):
13298 Output unwind info only if requested. Add CFA info if requested.
13299 Add new arguments as needed. Adjust callers.
13300 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13302 (DWARF2_FRAME_INFO): Define to zero.
13303 * config/ia64/unwind-ia64.c: Remove code that compensated for
13304 the CFA offset error fixed above.
13305 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13306 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13307 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13308 -funwind-tables and -fexceptions to enable frame info.
13309 (dwarf2out_frame_init): Define initial CFA even if
13310 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13311 DWARF2_UNWIND_INFO is nonzero, not just defined.
13312 (dwarf2out_frame_finish): Output non-EH call frame info only
13313 if DWARF2_FRAME_INFO is nonzero.
13314 (convert_cfa_to_loc_list,
13315 compute_frame_pointer_to_cfa_displacement): Define even if
13316 unwind info is not supported.
13317 (gen_subprogram_die): Use the above unconditionally. Remove
13318 legacy alternate code.
13319 * toplev.c (compile_file): Compile in call to
13320 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13321 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13323 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13324 Jakub Jelinek <jakub@redhat.com>
13326 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13327 IBM extended float format long double as "g" on powerpc*-linux.
13329 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13332 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13333 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13335 2006-02-03 Jason Merrill <jason@redhat.com>
13338 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13340 PR middle-end/25977
13341 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13342 on the return slot if it's an NRV.
13344 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13346 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13347 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13348 rewrite_use): Do not handle USE_OUTER.
13349 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13350 add_iv_outer_candidates, may_replace_final_value,
13351 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13352 (find_interesting_uses_op): Functionality of
13353 find_interesting_uses_outer_or_nonlin moved here.
13354 (find_interesting_uses_outside): Use find_interesting_uses_op.
13356 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13359 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13361 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13362 Ulrich Weigand <uweigand@de.ibm.com>
13365 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13366 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13367 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13368 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13370 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13371 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13372 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13373 Define secondary reloads for TFmode moves.
13374 (constant_modes): Add TFmode.
13375 (NR_C_MODES): Set to 8.
13376 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13378 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13379 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13380 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13381 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13382 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13383 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13384 (FPR mode macro): Add TFmode.
13385 (DSF mode macro): New.
13386 (<de>, <dee> mode attributes): Removed.
13387 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13388 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13389 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13390 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13391 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13392 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13393 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13394 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13395 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13396 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13397 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13398 "*negabs<mode>2", "sqrt<mode>2"):
13399 Changed <de> to <xde>. R constraint replaced by <Rf>.
13400 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13402 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13403 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13404 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13406 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13407 "extenddftf2", "extendsftf2"): New expanders.
13408 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13409 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13410 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13411 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13413 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13414 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13415 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13416 __floatditf): Add a GCC_4.1.0 symbol version tag.
13417 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13420 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13423 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13424 Use targetm.binds_local_p instead of TREE_PUBLIC.
13426 2006-02-02 Roger Sayle <roger@eyesopen.com>
13428 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13429 on INTEGER_TYPEs to indicate that it denotes a character type.
13430 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13431 signed_char_type_node, unsigned_char_type_node and char_type_node.
13432 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13433 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13434 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13436 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13437 Daniel Berlin <dberlin@dberlin.org>
13439 * tree-tailcall.c (arg_needs_copy_p): New function.
13440 (eliminate_tail_call): Use arg_needs_copy_p.
13441 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13442 (add_virtual_phis): New function.
13444 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13446 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13447 #ignore instead of #scratch for %g7 .register directive.
13449 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13451 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13454 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13456 * flow.c (calculate_global_regs_live): Assert that there aren't any
13459 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13461 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13462 what its name says.
13463 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13464 bsi_after_labels iterator.
13465 * tree-if-conv.c (find_phi_replacement_condition,
13466 replace_phi_with_cond_modify_expr): Likewise.
13467 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13468 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13470 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13472 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13474 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13477 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13478 array after growing it.
13480 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13482 PR middle-end/24901
13483 * fold-const.c (fold_checksum_tree): Change type of buf.
13485 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13487 * reload.c (push_secondary_reload): Initialize t_icode.
13489 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13491 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13492 -msoft-float -mlong-double-128 only issue a warning, but don't
13493 swich to DFmode long double.
13495 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13497 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13498 has a constant equivalent, iterate over equivalents for arg0,
13499 calling simplify_relational_operation and if there's a result
13500 cheaper than X, apply fold_rtx and return the result.
13502 2006-02-01 Jan Hubicka <jh@suse.cz>
13504 * opts.c (no_unit_at_a_time_default): New global variable.
13505 (decode_options): Use it.
13506 * opts.h (no_unit_at_a_time_default): Declare.
13508 2006-02-01 Paul Brook <paul@codesourcery.com>
13510 * function.c (assign_parm_setup_reg): Use function argument promotion
13512 * expr.c (expand_expr_real_1): Use function argument promotion rules
13515 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13517 * gcc.c (process_command): Change j to 'unsigned int'.
13519 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13521 PR middle-end/26001
13522 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13523 Use the corrected index for the character
13524 out of the string constant.
13526 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13528 * mode-switching.c (optimize_mode_switching): Fix size
13529 allocated for bb_info[n_entities].
13531 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13533 * gcc.c (main): Correct type that is allocated for
13534 explicit_link_files.
13536 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13538 * config/s390/s390.c (init_alignment_context): Set
13539 ALIAS_SET_MEMORY_BARRIER on the MEM.
13540 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13542 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13544 PR middle-end/25933
13545 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13547 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13550 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13552 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13553 * regrename.c: Ditto.
13554 * tree-ssa-loop-im.c: Ditto.
13555 * tree-dump.c: Ditto.
13556 * tree-complex.c: Ditto.
13557 * genrecog.c: Ditto.
13558 * tree-ssa-threadupdate.c: Ditto.
13560 * java/class.c: Ditto.
13561 * java/jcf-parse.c: Ditto.
13562 * java/resource.c: Ditto.
13563 * java/except.c: Ditto.
13564 * java/jvspec.c: Ditto.
13565 * java/jcf-write.c: Ditto.
13566 * java/jcf-path.c: Ditto.
13567 * java/gjavah.c: Ditto.
13568 * java/zextract.c: Ditto.
13569 * java/jcf-io.c: Ditto.
13570 * java/jcf.h: Ditto.
13571 * java/buffer.c: Ditto.
13572 * java/lang.c: Ditto.
13573 * java/parse-scan.y: Ditto.
13574 * java/lex.c: Ditto.
13575 * java/lex.h: Ditto.
13576 * cfgloopmanip.c: Ditto.
13577 * postreload-gcse.c: Ditto.
13578 * tree-ssa-loop-manip.c: Ditto.
13579 * postreload.c: Ditto.
13580 * tree-ssa-loop-ch.c: Ditto.
13583 * cppspec.c: Ditto.
13584 * diagnostic.c: Ditto.
13586 * genoutput.c: Ditto.
13588 * cfghooks.c: Ditto.
13589 * cfgloopanal.c: Ditto.
13590 * objc/objc-act.c: Ditto.
13592 * genextract.c: Ditto.
13593 * genautomata.c: Ditto.
13594 * pretty-print.c: Ditto.
13595 * genemit.c: Ditto.
13596 * cgraphunit.c: Ditto.
13598 * df-scan.c: Ditto.
13599 * haifa-sched.c: Ditto.
13600 * dominance.c: Ditto.
13602 * tree-ssa-loop-ivopts.c: Ditto.
13603 * df-core.c: Ditto.
13604 * mode-switching.c: Ditto.
13605 * modulo-sched.c: Ditto.
13607 * ipa-pure-const.c: Ditto.
13609 * fix-header.c: Ditto.
13611 * tree-stdarg.c: Ditto.
13612 * ipa-utils.c: Ditto.
13613 * loop-init.c: Ditto.
13614 * ipa-inline.c: Ditto.
13615 * cfganal.c: Ditto.
13617 * alloc-pool.c: Ditto.
13618 * dwarf2out.c: Ditto.
13620 * genattrtab.c: Ditto.
13621 * tree-ssa-loop-ivcanon.c: Ditto.
13622 * predict.c: Ditto.
13623 * timevar.c: Ditto.
13625 * fortran/gfortranspec.c: Ditto.
13626 * regmove.c: Ditto.
13627 * local-alloc.c: Ditto.
13628 * langhooks.c: Ditto.
13629 * function.c: Ditto.
13630 * tree-vectorizer.c: Ditto.
13632 * ipa-type-escape.c: Ditto.
13634 * tree-if-conv.c: Ditto.
13635 * profile.c: Ditto.
13637 * tree-data-ref.c: Ditto.
13638 * loop-unroll.c: Ditto.
13639 * treelang/treetree.c: Ditto.
13641 * bt-load.c: Ditto.
13642 * ggc-common.c: Ditto.
13644 * coverage.c: Ditto.
13646 * tree-cfgcleanup.c: Ditto.
13647 * tree-ssa-pre.c: Ditto.
13648 * cfgcleanup.c: Ditto.
13649 * loop-invariant.c: Ditto.
13650 * loop-iv.c: Ditto.
13651 * ipa-prop.c: Ditto.
13652 * print-tree.c: Ditto.
13653 * conflict.c: Ditto.
13654 * ggc-page.c: Ditto.
13655 * sched-deps.c: Ditto.
13656 * regclass.c: Ditto.
13657 * tree-object-size.c: Ditto.
13658 * combine.c: Ditto.
13659 * bb-reorder.c: Ditto.
13660 * resource.c: Ditto.
13661 * var-tracking.c: Ditto.
13662 * cfgloop.c: Ditto.
13663 * df-problems.c: Ditto.
13664 * reg-stack.c: Ditto.
13666 * gccspec.c: Ditto.
13667 * sched-rgn.c: Ditto.
13668 * tree-ssa-structalias.c: Ditto.
13669 * tree-ssa-reassoc.c: Ditto.
13670 * config/darwin-c.c: Ditto.
13671 * config/darwin.c: Ditto.
13672 * config/arm/arm.c: Ditto.
13674 * collect2.c: Ditto.
13675 * reload1.c: Ditto.
13677 2006-01-31 Nicolas Pitre <nico@cam.org>
13679 * arm.md (smaxsi3): Make aware of smax_m1.
13682 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13684 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13686 2006-01-31 Richard Guenther <rguenther@suse.de>
13688 * doc/invoke.texi (-msselibm): Document.
13689 * target.h (expand_library_builtin): New target hook.
13690 * builtins.c (expand_builtin): Use expand_library_builtin.
13691 (default_expand_library_builtin): New function.
13692 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13693 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13694 (link_gcc_math_spec): Declare.
13695 (static_specs): Add link_gcc_math_spec.
13696 * expr.h (default_expand_library_builtin): Declare.
13697 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13698 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13699 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13700 * config/i386/i386.opt (msselibm): New target option.
13701 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13702 (ix86_init_sse_abi_builtins): New function.
13703 (ix86_expand_library_builtin): Likewise.
13704 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13705 (override_options): Handle error conditions wrt -msselibm.
13706 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13707 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13708 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13711 2006-01-31 Richard Guenther <rguenther@suse.de>
13712 Paolo Bonzini <bonzini@gnu.org>
13714 * doc/install.texi (--disable-libgcc-math): Document.
13716 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13718 * expr.h (expand_normal): new inline function.
13719 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13720 * dojump.c: use it.
13721 * dwarf2out.c: use it.
13724 * expmed.c: use it.
13725 * except.c: use it.
13726 * config/sparc/sparc.c: use it.
13727 * config/i386/i386.c: use it.
13728 * config/rs6000/rs6000.c: use it.
13729 * config/arm/arm.c: use it.
13730 * config/mips/mips.c: use it.
13731 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13733 2006-01-30 Roger Sayle <roger@eyesopen.com>
13735 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13736 argv to the appropriate type.
13738 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13740 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13743 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13746 * config/s390/s390.c (struct machine_function): New flag
13747 decomposed_literal_pool_addresses_ok_p.
13748 (s390_reorg): Set it before final stage of literal pool transforms.
13749 (s390_decompose_address): Only accept displacements of the form
13750 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13752 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13754 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13755 the comparison routine return.
13757 2006-01-30 Michael Matz <matz@suse.de>
13759 * global.c (find_reg): Only evict for global regs.
13760 Take n_refs into account and dump more info.
13762 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13765 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13766 (pragma_trap, pragma_nosave_low_regs): Likewise.
13767 (current_function_anonymous_args): Likewise.
13768 (sh_deferred_function_attributes): New variable.
13769 (sh_deferred_function_attributes_tail): Likewise.
13770 (print_operand): For '@', look up trap_exit attribute.
13771 (calc_live_regs): Look up trapa_handler attribute. For trapa
13772 handlers, save/restore fpscr, but don't do any other
13773 interrupt-specific saves.
13774 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13775 Fix check for partially saved registers to check for SHmedia.
13776 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13777 (sh_output_function_epilogue): Don't clear any of the removed
13779 (sh_insert_attributes): Don't check pragma_interrupt.
13780 Insert deferred attributes. Check that interrupt attribute is
13781 present for other attributes that require its presence.
13782 (sh_attribute_table): Add new attributes trapa_handler and
13784 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13785 Don't check for pragma_interrupt. Don't store argument.
13786 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13787 (sh_deferred_function_attributes): Declare.
13788 (sh_deferred_function_attributes_tail): Likewise.
13789 * sh.md (sp_switch_1): Add operand. Change generator caller.
13790 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13791 (*return_i): Don't use when trap_exit attribute is in effect.
13792 (*return_trapa): New insn pattern.
13793 * sh-c.c: New file.
13794 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13795 setting c_target_objs and cxx_target_objs.
13796 * t-sh: Add rule for sh-c.o.
13798 2006-01-30 Richard Guenther <rguenther@suse.de>
13801 * gimplify.c (gimplify_target_expr): Handle easy cases
13802 without creating a temporary.
13804 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13806 * vec.h (safe_grow): Remove duplicated line.
13808 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13811 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13812 (expand_omp): ... here.
13813 (expand_omp_parallel): Only remove barriers for combined
13814 parallel+workshare constructs.
13816 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13820 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13821 * tree.c (build_qualified_type): Chain the new type to the original
13822 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13823 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13824 (build_pointer_type_for_mode): Only return unqualified types.
13825 (build_reference_type_for_mode): Likewise.
13827 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13829 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13830 * Makefile.in (CXX_COMPAT_WARN): Define.
13831 * configure: Regenerate.
13833 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13836 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13839 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13841 * toplev.c: Fix thinko.
13843 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13844 Marcin Dalecki <martin@dalecki.de>
13846 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13847 (push_srcloc): Use XNEW.
13848 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13850 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13852 * df-core.c (df_set_blocks): Deleted all variable.
13854 2006-01-28 Ian Lance Taylor <ian@airs.com>
13856 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13857 cgraph_output_pending_asms.
13859 2006-01-28 Zack Weinberg <zackw@panix.com>
13861 * c.opt: Add -W(no-)overlength-strings.
13862 * doc/invoke.texi: Document it.
13863 * c-opts.c (c_common_handle_option): -pedantic implies
13864 -Woverlength-strings, if not explicitly disabled already.
13865 (c_common_post_options): -Woverlength-strings defaults to off, and
13866 is always off for C++.
13867 * c-common.c (fix_string_type): Issue warning about strings longer
13868 than is portable only if warn_overlength_strings. Rearrange code
13869 a little for clarity.
13870 * configure.in: Check for -Wno-overlength-strings as well before
13871 enabling -pedantic in stage 1.
13872 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13873 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13875 * genconditions.c (write_header, write_one_condition)
13876 (write_conditions, write_writer): Consolidate very long strings
13877 that were broken up to fit in C89 portable limit. Don't use
13878 printf when fputs will do.
13880 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13882 * combine.c (simplify_comparison <AND>): Check
13883 TRULY_NOOP_TRUNCATION before start using a subreg.
13885 * config/mips/mips.md (*branch_zero<mode>,
13886 *branch_zero<mode>_inverted, *branch_equality<mode>,
13887 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13888 Remove mode check from comparisons.
13890 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13892 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13894 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13896 * expmed.c (const_mult_add_overflow_p): Remove.
13897 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13899 * recog.c (validate_replace_rtx_subexp): Remove.
13900 * recog.h: Remove the prototype for
13901 validate_replace_rtx_subexp.
13903 * integrate.h: Remove the prototype for
13904 copy_decl_for_inlining.
13905 * rtl.h: Remove the prototype for mark_constant_function.
13906 * tree-vectorizer.h: Remove the prototype for
13907 vect_strip_conversion.
13909 * modulo-sched.c (create_partial_schedule,
13910 free_partial_schedule, reset_partial_schedule): Make them
13913 * hooks.c (hook_bool_rtx_int_false): Remove.
13914 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13916 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13918 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13919 and -mlong-double-128 are incompatible.
13920 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13921 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13922 (TARGET_LIBGCC2_CFLAGS): Define.
13923 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13924 (TARGET_LIBGCC2_CFLAGS): Same.
13925 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13927 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13930 * c-typeck.c (build_binary_op): Perform implicit casts of
13931 operands before shortening them.
13933 * cfgloopmanip.c (split_loop_bb): Remove.
13934 * cfgloop.h: Remove the prototype for split_loop_bb.
13936 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13937 * cfgloop.h: Remove the prototype for
13938 flow_loop_outside_edge_p.
13940 * emit-rtl.c (init_virtual_regs): Make it static.
13941 * function.h: Remove the prototype for init_virtual_regs.
13943 * recog.c (peephole2_optimize): Make it static.
13944 * recog.h: Remove the prototype for peephole2_optimize.
13946 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13948 * df-scan.c (df_record_entry_block_defs): Check if
13949 INCOMING_RETURN_ADDR_RTX is defined.
13951 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13952 Kenneth Zadeck <zadeck@naturalbridge.com>
13954 PR rtl-optimization/24762
13955 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13956 * targhooks.c (hook_void_bitmap): New hook prototype.
13957 * targhoohs.h (hook_void_bitmap): Ditto.
13958 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13959 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13960 * target.h (live_on_entry): New function pointer.
13961 * df-scan.c (df_all_hard_regs): Removed.
13962 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13963 (df_scan_free_internal): Added df->entry_block_defs.
13964 (df_scan_alloc): Ditto.
13965 (df_scan_dump): Ditto.
13966 (df_uses_record): Plumbed flag field properly thru calls.
13967 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13968 This part fixes PR24762.
13969 (df_bb_refs_record): Added code to make the frame and arg
13970 pointers live in EH blocks.
13971 (df_refs_record): Added call to df_record_entry_block_defs.
13972 (df_record_entry_block_defs): New function.
13973 * df-core.c: Added comments to describe new artifical defs.
13974 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13975 (entry_block_defs): New field in struct df.
13976 (df_all_hard_regs): Deleted.
13977 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13978 * df-problems.c (df_ru_bb_local_compute_process_def):
13979 Added code to handle artifical defs in the entry to a function.
13980 (df_ru_bb_local_compute): Ditto.
13981 (df_rd_bb_local_compute_process_def): Ditto.
13982 (df_rd_bb_local_compute): Ditto.
13983 (df_lr_bb_local_compute): Ditto.
13984 (df_ur_bb_local_compute): Ditto.
13985 (df_urec_bb_local_compute): Ditto.
13986 (df_chain_create_bb): Ditto.
13987 (df_ur_local_finalize): Removed entry.
13988 (df_urec_init): Ditto.
13989 (df_urec_local_finalize): Ditto.
13990 (df_ri_bb_compute): Added detection of last use of pseudos.
13991 * Makefile.in (df-scan.o): Updated dependencies.
13992 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13993 * config/mips/mips.c (mips_set_live_on_entry): Added.
13994 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13996 * dce.c (marked_insn_p): Added code to handle artifical defs.
13998 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14000 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14002 (_mm_cvtsi128_si64): Likewise.
14003 (_mm_cvtsd_si64): Likewise.
14004 (_mm_cvttsd_si64): Likewise.
14005 (_mm_cvtsi64_sd): Likewise.
14006 (_mm_cvtsi64_si128): Likewise.
14007 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14008 (_mm_cvtsi64_m64): Likewise.
14009 (_m_to_int64): Likewise.
14010 (_mm_cvtm64_si64): Likewise.
14011 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14012 (_mm_cvttss_si64): Likewise.
14013 (_mm_cvtsi64_ss): Likewise.
14014 (_mm_cvtss_f32): Likewise.
14016 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14018 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14019 for pragma redefine_extname.
14021 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14024 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14025 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14026 -mno-minimal-toc to previous content.
14027 (bispecs): Remove goal.
14028 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14029 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14030 compatibility aliases on powerpc-*-*gnu*.
14031 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14032 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14033 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14034 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14035 (ldblspecs): New goal.
14036 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14037 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14039 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14040 L_sf_to_tf or L_df_to_tf is defined.
14042 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14043 Alan Modra <amodra@bigpond.net.au>
14046 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14047 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14048 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14049 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14050 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14051 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14052 (rs6000_override_options): Initialize rs6000_ieeequad.
14053 Initialize TFmode format to ibm_extended_format if not
14055 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14057 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14058 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14059 (function_arg_advance): IBM long double passed in two FPRs, not
14061 (function_arg): IBM long double passed in FPRs.
14062 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14063 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14064 Only multireg GPR aligned.
14065 (rs6000_init_libfuncs): Enable IBM long double functions if not
14067 (rs6000_generate_compare): Use IBM long double compare if not
14069 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14070 (TARGET_IEEEQUAD): Define.
14071 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14072 not TARGET_IEEEQUAD.
14073 * config/rs6000/rs6000.md: Enable TFmode patterns if
14075 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14076 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14077 and -mlong-double-128 are incompatible.
14078 * doc/invoke.texi (-mabi): Collect options together. Add
14079 ibmlongdouble and ieeelongdouble.
14081 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14083 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14085 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14086 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14087 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14088 * rtl.h (rtunion_def): Remove rt_ptr.
14090 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14091 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14092 * config/i386/winnt.c (i386_pe_mark_dllexport)
14093 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14095 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14097 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14099 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14103 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14104 pthread_key_delete. From John David Anglin. gthrw-ify
14105 pthread_getunique_np only if it it's not a macro. Delete
14107 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14108 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14109 __gthread_objc_condition_signal, __gthread_key_delete): Add
14110 "__attribute__ ((__unused__))" to unused arguments.
14111 (__gthread_recursive_mutex_init_function): Add missing return.
14112 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14113 gthr-posix95.h: Use macro-based approach for name redirection
14114 on targets missing weakref.
14116 2006-01-26 Zack Weinberg <zackw@panix.com>
14118 * genconditions.c (write_header): In generated code, #ifdef out
14119 all includes and fake declarations, except includes of bconfig.h
14120 and system.h, unless GCC_VERSION >= 3001. Do not include
14121 gensupport.h in any case.
14122 (write_conditions): Generate a definition of struct c_test. Add
14123 a comment to the generated #endif.
14124 (write_one_condition): Escape backslashes in string too.
14125 (write_writer): Generated code must escape backslashes and quote
14126 marks (but not newlines) in the strings it writes.
14127 * Makefile.in (build/gencondmd.o): Update dependencies.
14129 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14132 * Makefile.in (insn-automata.o): Add header file dependencies.
14133 * genautomata.c: Add includes.
14135 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14138 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14140 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14142 * configure.ac: Expect target tools paths to be passed from the toplevel
14143 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14145 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14147 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14150 * c.opt (Wpointer-sign): Init to -1.
14151 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14152 OPT_pedantic, to 0 otherwise.
14153 * doc/invoke.texi: Update.
14155 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14157 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14158 constants provided by 80387 instructions in the destination mode.
14160 2006-01-26 Richard Guenther <rguenther@suse.de>
14161 Andrew Pinski <pinskia@physics.uc.edu>
14164 partial PR tree-opt/17064
14165 * tree-ssa-structalias.c (intra_create_variable_infos):
14166 Create heap variables for incoming parameters if
14167 flag_argument_noalias > 1.
14168 (find_what_p_points_to): Look through default defs of
14171 2006-01-26 Jeff Law <law@redhat.com>
14174 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14175 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14176 within the VR_RANGE, use the VR_RANGE as the result, not the
14178 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14179 bounds for the type.
14181 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14183 * tree-ssa-alias.c (maybe_create_global_var): Change
14184 subvar walking to an assertion that we don't have subvar'd variables.
14186 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14189 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14190 Use a new variable, inner. PARM_DECLs are always non-weak.
14192 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14194 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14195 --disable-checking.
14197 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14199 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14201 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14203 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14204 (smax_insn, smin_insn, smax_0, smin_0): New.
14206 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14209 * config/cris/cris.c (cris_order_for_addsi3): New function.
14210 * config/cris/cris-protos.h: Prototype it.
14211 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14212 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14213 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14214 (split for "op.S1 [rx=rx+i],ry (swapped)")
14215 (split for "op(s|u).S1 [rx=rx+i],ry")
14216 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14217 Apply cris_order_for_addsi3 when generating addsi3 insns.
14219 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14221 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14222 (TREE_BLOCK): Add call to EXPR_CHECK.
14224 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14227 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14228 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14229 (dump_omp_clauses): ... here.
14230 (dump_generic_node): Handle OMP_CLAUSE.
14231 * tree.c (omp_clause_num_ops): New.
14232 (omp_clause_code_name): New.
14233 (tree_code_size): Handle OMP_CLAUSE.
14234 (tree_size): Likewise.
14235 (make_node): Document handling of OMP_CLAUSE.
14236 (tree_node_structure): Handle OMP_CLAUSE.
14237 (omp_clause_check_failed): New.
14238 (omp_clause_range_check_failed): New.
14239 (omp_clause_operand_check_failed): New.
14240 (build_omp_clause): New.
14241 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14242 * tree.h (enum omp_clause_code): Declare.
14243 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14244 (OMP_CLAUSE_RANGE_CHECK): Define.
14245 (OMP_CLAUSE_ELT_CHECK): Define.
14246 (omp_clause_check_failed): Declare.
14247 (omp_clause_operand_check_failed): Declare.
14248 (omp_clause_range_check_failed): Declare.
14249 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14250 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14251 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14252 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14253 (OMP_CLAUSE_IF_EXPR): Likewise.
14254 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14255 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14256 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14257 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14258 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14259 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14260 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14261 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14262 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14263 (OMP_CLAUSE_CODE): Define.
14264 (OMP_CLAUSE_SET_CODE): Define.
14265 (OMP_CLAUSE_CODE): Define.
14266 (OMP_CLAUSE_OPERAND): Define.
14267 (struct tree_omp_clause): Declare.
14268 (union tree_node): Add field 'omp_clause'.
14269 * treestruct.def (TS_OMP_CLAUSE): Define.
14270 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14271 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14272 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14273 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14274 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14275 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14276 (OMP_CLAUSE): Define.
14277 * print-tree.c (print_node): Handle OMP_CLAUSE.
14278 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14279 * c-typeck.c: Likewise.
14280 * gimplify.c: Likewise.
14281 * c-omp.c: Likewise.
14282 * tree-nested.c: Likewise.
14283 * tree-inline.c: Likewise.
14284 * c-parser.c: Likewise.
14285 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14288 2006-01-25 Roger Sayle <roger@eyesopen.com>
14290 PR rtl-optimization/25703
14291 * combine.c (try_combine): Handle zero_extract and strict_low_part
14292 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14294 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14296 * global.c: Fix comment typos.
14298 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14301 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14302 Use output_addr_const instead of assemble_name.
14304 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14306 * Makefile.in (sched-vis.o): Update dependencies.
14307 * haifa-sched.c (sched_finish): Clear current_sched_info.
14308 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14309 (dump_flow_info): Call it.
14310 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14312 * basic-block.h (dump_bb_info): Declare.
14313 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14314 option, and apply options only for dump files whose TDF_RTL,
14315 TDF_TREE, or TDF_IPA bits match.
14316 * rtl.h: Declare new functions exported from sched-vis.c.
14317 * sched-vis.c: Enable also if scheduling is not used.
14318 (print_value): Print the mode of registers if not inside scheduling.
14319 (print_insn): Make it work outside the scheduler. Beautify the output
14321 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14323 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14325 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14326 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14327 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14328 depending on the value of CONSTANT_POOL_ADDRESS_P.
14329 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14331 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14332 rather than SYMBOL_REF_DECL.
14333 (rtx_constant_pool): Remove const_rtx_sym_htab.
14334 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14335 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14336 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14337 Remove handling of const_rtx_sym_htab.
14338 (find_pool_constant): Delete.
14339 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14340 rather than find_pool_constant.
14341 (get_pool_constant_for_function): Delete.
14342 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14343 find_pool_constant.
14344 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14345 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14346 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14347 (SYMBOL_REF_CONSTANT): New macro.
14348 (get_pool_constant_for_function): Delete.
14349 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14350 rather than SYMBOL_REF_DECL.
14351 (i386_pe_mark_dllimport): Likewise.
14352 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14353 rather than SYMBOL_REF_DECL.
14354 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14355 (machopic_indirect_call_target): Likewise.
14357 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14359 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14361 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14363 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14365 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14367 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14369 2006-01-24 David Daney <ddaney@avtrex.com>
14372 * configure.ac (enable_tls): New enable option.
14373 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14374 * configure: Regenerate.
14375 * doc/install.texi (--enable-tls): Document new option.
14376 (--disable-tls): Ditto.
14378 2006-01-24 Richard Henderson <rth@redehat.com>
14380 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14381 * alias.c (true_dependence): Respect it.
14382 (canon_true_dependence, write_dependence_p): Likewise.
14383 * builtins.c (get_builtin_sync_mem): Set it.
14385 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14387 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14390 2006-01-24 DJ Delorie <dj@redhat.com>
14392 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14393 for storing constants in single-bit bitfields.
14395 2006-01-25 Ben Elliston <bje@au.ibm.com>
14397 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14399 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14402 * tree-ssa-pre.c (phi_translate): Return NULL
14403 for AGGREGATE_TYPE's.
14405 2006-01-24 Zack Weinberg <zackw@panix.com>
14407 * genautomata.c (process_state_for_insn_equiv_partition):
14408 Use xcalloc for insn_arcs_array.
14409 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14410 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14412 2006-01-24 Richard Henderson <rth@redhat.com>
14414 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14415 update all callers.
14417 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14419 PR rtl-optimization/25890
14420 PR rtl-optimization/25905
14421 * combine.c (expand_compound_operation, expand_field_assignment):
14422 Fail if the bitfield's final position is out of bounds.
14424 2006-01-24 Ian Lance Taylor <ian@airs.com>
14426 PR middle-end/25930
14427 * cgraphunit.c (cgraph_output_in_order): Don't clear
14428 cgraph_asm_nodes until after asm strings have been output.
14430 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14432 * fix-header.c (read_scan_file): Add new parameter imultilib when
14433 calling register_include_chains.
14435 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14437 * omp-low.c: Update documentation.
14439 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14440 Daniel Berlin <dberlin@dberlin.org>
14444 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14445 return from the function.
14447 2006-01-22 Zack Weinberg <zackw@panix.com>
14449 * rtl.def (match_code): Add second argument.
14450 * genpreds.c (write_extract_subexp): New function.
14451 (write_match_code): Add path argument. Use write_extract_subexp.
14452 (write_predicate_expr): Pass path to write_match_code.
14453 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14454 not perform a mode test.
14455 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14456 a subexpression does not constrain the top-level code set.
14457 * read-rtl.c (read_rtx_variadic): New function.
14458 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14459 * doc/md.texi: Document new notation.
14460 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14461 (cmpsi_operand): ... here, using new notation.
14463 2006-01-22 Zack Weinberg <zackw@panix.com>
14465 * varray.c: Remove GENERATOR_FILE #ifdefs.
14467 2006-01-22 Zack Weinberg <zackw@panix.com>
14469 * genautomata.c (output_reserved_units_table): Emit nothing if
14470 description->query_units_num is zero. Remove extra blank line.
14471 (output_cpu_unit_reservation_p): Short circuit
14472 if description->query_units_num is zero.
14474 2006-01-22 Zack Weinberg <zackw@panix.com>
14476 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14477 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14478 nor any of the random handful of variables that used to be necessary
14479 when this program was linked with rtlanal.o. Prune set of forward
14480 function declarations.
14481 (struct attr_desc): Remove static_p field.
14482 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14483 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14484 (attr_string): Do not read the character one past the length of
14486 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14487 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14488 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14489 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14490 (make_automaton_attrs): New.
14491 (main): Do not call into genautomata. Call local gen_bypass
14492 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14493 Remove special case for insn_alts.
14494 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14495 varray.h (leftover from previous change). Prune set of forward
14496 function declarations. Remove state_alts fields from all
14497 structures. Remove state_alts_table from struct automaton.
14498 Make everything except main static. Do not maintain num_dfa_decls.
14499 Do not maintain state_alts fields of various structures.
14500 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14501 (add_arc): Remove state_alts argument. All callers updated.
14502 (output_reserved_units_table): Emit #ifdef here...
14503 (output_tables): ...not here. Don't generate state_alts tables.
14504 (expand_automata): Don't generate attributes.
14505 (write_automata): Don't generate state_alts functions.
14506 (main): New function.
14507 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14508 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14509 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14510 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14511 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14512 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14513 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14514 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14516 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14517 * genattrtab.h: Delete file.
14518 * Makefile.in (OBJS-common): Add insn-automata.o.
14519 (insn-automata.o): New rule.
14520 (simple_generated_c): Add insn-automata.c.
14521 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14522 (genprogmd): Add automata.
14523 (build/genattrtab): Needs no extra objects nor libraries.
14524 (build/genautomata): Needs build/vec.o and -lm.
14526 2006-01-22 Zack Weinberg <zackw@panix.com>
14528 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14529 (output_dfa_max_issue_rate, locked_states_num): Delete.
14530 (struct automaton): Add locked_states field.
14531 (output_dead_lock_vect): Save number of locked states in
14532 automaton->locked_states. If it is zero, don't print anything.
14533 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14534 (output_internal_dead_lock_func): Only test the dead_lock_vect
14535 for automata that have locked states.
14536 (output_statistics): Always print the number of locked states for
14537 each automaton. Calculate total number of locked states here.
14538 (write_automata): Don't call output_dfa_max_issue_rate.
14539 * genattrtab.c: Define length_unit_log as a const variable.
14540 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14541 max_insn_queue_index const.
14542 * final.c (length_unit_log): Declare const.
14543 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14545 2006-01-22 Zack Weinberg <zackw@panix.com>
14547 * genautomata.c: Include vec.h, not varray.h.
14548 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14549 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14550 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14551 VEC_* macros operating on appropriately typed vectors, or to
14552 malloced arrays when the size is known in advance. Const-ify
14553 many char* variables and function arguments. No functional changes.
14554 * Makefile.in (build/varray.o): Delete rule.
14555 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14556 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14558 2006-01-22 Zack Weinberg <zackw@panix.com>
14560 * gensupport.c: Define get_insn_name and record_insn_name here.
14561 (read_md_rtx): Call record_insn_name as appropriate.
14562 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14563 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14564 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14566 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14567 (BUILD_VARRAY): Delete.
14568 (genprognormal): Rename genprogmd. Fold in all programs from
14569 genprognoprint; also attrtab.
14570 (build/genattrtab): Just mention genautomata.o and varray.o.
14571 Reorganize a bit, add comments to make the categories clearer.
14573 2006-01-22 Zack Weinberg <zackw@panix.com>
14575 * genconditions.c (condition_table, add_condition): Delete.
14576 (write_conditions): Don't emit n_insn_conditions nor
14577 insn_elision_unavailable. Issue the gcc version #ifdef here,
14578 inside the table, with no #else clause ...
14579 (write_header): ...not here.
14580 (write_writer): New function.
14581 (main): Don't initialize condition_table. Use add_c_test.
14583 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14584 files on the command line.
14585 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14586 Return -1 if there is no entry in the table, don't abort.
14587 (add_c_test, traverse_c_tests): New functions.
14588 * gensupport.h (insn_elision_unavailable, insn_conditions)
14589 (n_insn_conditions): Delete declarations.
14590 (add_c_test, traverse_c_tests): Declare.
14591 * read-rtl.c: Include gensupport.h.
14592 (read_conditions): New function.
14593 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14594 (read_rtx_1): If we get EOF when we were looking for an initial
14595 open paren, return 0. Call read_conditions when appropriate.
14596 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14597 dummy-conditions.o. Eliminate references to insn-conditions.o,
14598 or change them to build/gencondmd.o, as appropriate. Remove
14599 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14600 from $(simple_generated_c). For all files remaining in those
14601 two lists, add insn-conditions.md to the generator command line.
14602 Give insn-constants.h/s-constants their own rules. Add rules
14603 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14604 (build/read-rtl.o): Depend on gensupport.h.
14605 (genprognormal): Include preds.
14606 (genprogearly): Rename genprognoprint; only difference is now that
14607 they don't link with $(BUILD_PRINT).
14608 * dummy-conditions.c: Delete.
14610 2006-01-22 Zack Weinberg <zackw@panix.com>
14612 * genextract.c: Don't include insn-config.h. Do include vec.h.
14613 Declare vectors of int, char, and locstr.
14614 (locstr): New typedef.
14615 (struct extraction): Make all array fields into bare pointers.
14616 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14617 (insn_code_number): Delete.
14618 (accum_extract): New struct.
14619 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14620 (gen_insn): Take insn_code_number as an argument. Use an
14621 accum_extract structure instead of loading data directly into
14622 a struct extraction, and having to know how big it might get.
14623 (walk_rtx): Operate entirely on an accum_extract structure.
14624 (print_path): Avoid unnecessary use of printf.
14625 (print_header): New function, split out of main. Distinguish
14626 more carefully between an unrecognizable insn and an insn that
14627 has the code number of a define_expand.
14628 (main): Pass insn_code_number to gen_insn. Call print_header
14629 only after parsing. Avoid unnecessary use of printf.
14630 * Makefile.in (build/vec.o): New rule.
14631 (build/genextract): Depend on build/vec.o.
14632 (build/genextract.o): Don't depend on insn-config.h.
14634 2006-01-22 Zack Weinberg <zackw@panix.com>
14636 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14637 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14638 practical. Eliminate per-generator-program link rules.
14640 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14642 PR middle-end/24437
14643 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14644 with a call expr to ...
14645 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14647 2006-01-23 Richard Guenther <rguenther@suse.de>
14649 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14650 before make_edge with conditional EDGE_TRUE_VALUE.
14652 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14653 Jan Hubicka <jh@suse.cz>
14654 Richard Guenther <rguenther@suse.de>
14656 PR rtl-optimization/25654
14657 * cfgexpand.c (aggregate_contains_union_type): New function.
14658 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14659 for structure variables that contain a union type.
14661 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14663 * gengtype.c (new_structure): Return the structure.
14664 (create_option): Add an extra "next" argument.
14665 (create_field): New function.
14666 (adjust_field_rtx_def): Use create_option and create_field.
14667 Remove a now-unnecessary call to find_structure.
14668 (adjust_field_tree_def): Likewise.
14669 (note_yacc_type): Remove an unnecessary call to find_structure.
14670 * gengtype.h (new_structure): Return the structure.
14671 (create_option): Add an extra argument.
14672 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14673 (option): Adjust calls to create_option.
14675 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14677 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14679 2006-01-22 Paul Brook <paul@codesourcery.com>
14680 Peter Barada <peter@the-baradas.com>
14682 * config/m68k/m68k.md: Add Coldfire FPU support.
14683 Define FP mode macro and associated attributes.
14684 Use it for float mode patterns.
14685 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14686 (LIBCALL_VALUE): Use m68k_libcall_value.
14687 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14688 (m68k_function_value): Ditto.
14689 (emit_move_sequence): Ditto.
14690 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14691 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14692 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14693 (MULTILIB_EXCEPTIONS): Ditto.
14694 * config/m68k/m68k.opt: Add mcfv4e.
14695 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14696 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14697 (m68k_output_function_prologue): Save ColdFire FPU registers.
14698 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14699 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14700 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14701 ColdFire FPU registers.
14702 (m68k_libcall_value, m68k_function_value): New functions.
14703 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14704 (LIBCALL_VALUE): Use m68k_libcall_value.
14705 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14706 (MASK_COLDFIRE): Add MASK_CFV4E.
14707 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14708 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14709 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14710 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14711 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14712 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14713 * doc/invoke.tex: Document -mcfv4e on m68k.
14715 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14717 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14720 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14723 * c-opts.c (c_common_handle_option): Don't include
14724 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14725 * doc/invoke.texi (C++ Dialect Options): Document that
14726 -Wnon-virtual-dtor is no longer included in -Wall.
14728 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14730 * gcov.c (print_version), gcov-dump.c (print_version),
14731 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14734 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14736 * df-scan.c (problem_SCAN): Added NULL reset function.
14737 (df_scan_reset_blocks): Added code to call reset block function
14738 (df_bb_refs_delete) Fixed comment.
14739 (df_insn_refs_delete): Made tolerant of deleting non existent info
14740 for dataflow problems that need to be reset.
14741 * df-core.c (df_set_blocks): Ditto.
14742 * df.h (struct df_problem): Added reset_fun.
14743 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14744 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14745 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14746 functions to clear out all references to def-use or use-def chains.
14748 2006-01-21 Ben Elliston <bje@au.ibm.com>
14750 * varasm.c (assemble_real): Initialise data array.
14752 2006-01-20 Paul Brook <paul@codesourcery.com>
14754 Merge from csl-arm-branch.
14755 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14756 * config/arm/arm.md (movdi): Force operands[1] to a register
14757 if we have a non-register source.
14758 (*arm_movdi, *movdf_soft_insn): Require that one of the
14759 operands be a register.
14760 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14761 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14763 2006-01-20 DJ Delorie <dj@redhat.com>
14765 * varasm.c (initializer_constant_valid_p): Allow pointers
14766 initialized from integer constants of lesser precision.
14767 (output_constant): Allow non-int-sized pointer modes to be
14768 initialized from integer constants.
14770 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14773 * cppdefault.h (struct default_include): Add multilib flag.
14774 * cppdefault.c (cpp_include_defaults): Set it.
14775 * c.opt (-imultilib): New option.
14776 * c-opts.c (imultilib): New.
14777 (c_common_handle_option): Handle -imultilib.
14778 (c_common_post_options): Likewise.
14779 * c-incpath.c (add_standard_paths, register_include_chains):
14781 * c-incpath.h (register_include_chains): Add extra parameter.
14782 * gcc.c (do_spec_1): Generate -imultilib option.
14783 (The Specs Language): Update %I description.
14784 (process_command): Update copyright notice.
14785 * doc/cppopts.texi (-imultilib): Document.
14786 * doc/invoke.texi (-imultilib): Include in option summary.
14787 (%I): Update specs documentation.
14789 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14791 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14793 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14795 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14798 2006-01-20 Richard Guenther <rguenther@suse.de>
14799 Steven Bosscher <stevenb.gcc@gmail.com>
14801 PR rtl-optimization/24626
14802 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14803 EDGE_TRUE_VALUE if in RTL mode.
14806 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14807 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14809 2006-01-20 Dirk Mueller <dmueller@suse.com>
14812 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14813 instead of a special NOP marker.
14814 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14815 NOP marker handling.
14816 * c-common.h (empty_body_warning): Add forward declaration.
14817 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14818 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14820 2006-01-20 Paul Brook <paul@codesourcery.com>
14822 * Makefile.in (lang_checks): Keep going if mkdir fails.
14824 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14826 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14827 be able to clean out basic block when not necessary.
14828 (df_scan_free): Fixed to properly delete information if df is
14829 unused before calling df_finish.
14830 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14831 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14833 (df_bb_refs_delete): New function.
14834 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14835 * df-core.c (df_set_blocks): Added code to properly clean out
14836 unused blocks if they are not part of the blocks to consider.
14837 Added additional null check.
14838 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14839 be able to clean out basic block when not necessary
14840 * df.h (df_free_bb_function): Ditto.
14841 (df_bb_refs_delete): New function.
14842 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14843 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14844 basic block parameter to be able to clean out basic block when not
14846 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14847 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14848 Fixed to properly delete information if df is unused before
14851 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14853 PR rtl-optimization/25799
14854 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14855 Corrected confluence operator to remove bits from op2 before oring
14856 with op1 rather than removing bits from op1.
14857 (df_ru_transfer_function): Corrected test on wrong bitmap which
14858 caused infinite loop. Both of these problems were introduced in
14859 the dataflow rewrite.
14861 2006-01-19 DJ Delorie <dj@redhat.com>
14863 * reload1.c (find_reload_regs): Note the details of reload
14864 failures in the dump file.
14865 (spill_failure): Likewise.
14867 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14869 * loop-iv.c: Include df.h and hashtab.h.
14870 (enum iv_grd_result): New enum.
14871 (DF_REF_IV, DF_REF_IV_SET): New macros.
14872 (struct biv_entry): New.
14873 (df, bivs): New global variables.
14874 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14875 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14877 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14878 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14879 analyzed_for_bivness_p, record_biv): New functions.
14880 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14881 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14882 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14884 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14886 (iv_number_of_iterations): Use new interface to iv analysis.
14887 * loop-unroll.c: Do not include varray.h.
14888 (analyze_iv_to_split_insn): Use new interface to iv
14890 * loop-unswitch.c (may_unswitch_on): Ditto.
14891 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14893 (df_bb_modify): Realloc tables to the new index.
14894 (df_find_use): New function.
14895 * df.h (df_find_use): Declare.
14896 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14898 * cfgloop.h (struct rtx_iv): Remove analysed field.
14899 (iv_get_reaching_def): Removed.
14900 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14901 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14902 (loop-iv.o): Add df.h and hashtab.h dependency.
14903 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14905 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14908 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14910 (__floatundisf, __floatundidf): Likewise.
14911 * libgcc2.h (IS_IBM_EXTENDED): Define.
14913 2006-01-19 DJ Delorie <dj@redhat.com>
14915 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14917 2006-01-19 Paul Brook <paul@codesourcery.com>
14919 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14920 as nothrow when unwinding tables are disabled.
14922 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14925 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14926 of bit-field" when in system header.
14928 2006-01-19 DJ Delorie <dj@redhat.com>
14930 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14931 the 16 bit shift limit of the m16c.
14933 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14936 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14937 * config/i386/i386.c (output_set_got): Output the label if we have one
14938 for the TARGET_DEEP_BRANCH_PREDICTION case.
14940 2006-01-19 Jan Hubicka <jh@suse.cz>
14941 H.J. Lu <hongjiu.lu@intel.com>
14942 Evandro Menezes <evandro.menezes@amd.com>
14944 * invoke.texi (generic): Document
14946 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14947 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14948 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14949 (x86_use_incdec, x86_pad_returns): New variables
14950 (TARGET_CPU_DEFAULT_generic): New constant
14951 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14952 (enum processor_type): Add generic32 and generic64.
14953 * i386.md (cpu attribute): Add generic32/generic64
14954 (movhi splitter): Behave sanely when both partial_reg_dependency and
14955 partial_reg_stall are set.
14956 (K8 splitters): Enable for generic as well.
14957 * predicates.md (incdec_operand): Use TARGET_INCDEC
14958 (aligned_operand): Avoid memory mismatch stalls.
14959 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14960 * ppro.md: Enable for generic32
14961 * i386.c (generic64_cost, generic32_cost): New.
14962 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14963 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14964 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14965 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14966 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14967 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14968 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14969 x86_accumulate_outgoing_args, x86_prologue_using_move,
14970 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14971 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14972 Enable for generic.
14973 (x86_use_incdec, x86_pad_returns): New.
14974 (override_options): Add generic32 and generic64, translate "generic"
14975 to generic32/generic64 and "i686" to "generic32", refuse
14976 "generic32"/"generic64" as arch target.
14977 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14978 (ix86_reorg): Honor PAD_RETURNS.
14980 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14982 * tree-pretty-print.c (dump_generic_node): Handle
14983 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14984 * cgraph.c (cgraph_expand_queue): Rename from
14985 cgraph_analyze_queue. Update all users.
14986 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14987 cgraph_expand_queue.
14988 (cgraph_expand_all_functions): Likewise.
14989 (cgraph_finalize_pending_functions): Remove. Update callers.
14991 * tree.h (OMP_DIRECTIVE_P): Define.
14992 (OMP_PARALLEL_FN): Define.
14993 (OMP_PARALLEL_DATA_ARG): Define.
14994 (OMP_SECTIONS_SECTIONS): Define.
14995 * tree-pass.h (pass_expand_omp): Declare.
14996 * omp-low.c (struct omp_region): Declare.
14997 (struct omp_context): Remove fields 'parallel_type',
14998 'parallel_start_ix' and 'parallel_start_additional_args'.
15000 (struct omp_for_data): Rename from struct expand_omp_for_data.
15001 (omp_regions): New static variable.
15002 (root_omp_region): New static variable.
15003 (find_omp_clause): Make static.
15004 (is_in_combined_parallel_ctx): Remove.
15005 (is_combined_parallel): New.
15006 (extract_omp_for_data): Move earlier in the file.
15007 (workshare_safe_to_combine_p): New.
15008 (get_ws_args_for): New.
15009 (determine_parallel_type): Move earlier in the file.
15010 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15012 (omp_copy_decl): Likewise.
15013 (create_omp_child_function): Likewise.
15014 (lookup_omp_region): New.
15015 (dump_omp_region): New.
15016 (debug_omp_region): New.
15017 (debug_all_omp_regions): New.
15018 (new_omp_region): New.
15019 (scan_omp_parallel): If parallel_nesting_level > 1, the
15020 directive is nested within another parallel directive.
15021 Set OMP_PARALLEL_FN.
15022 (scan_omp_for): Do not try to handle combined parallel+for
15024 Remove FIXME comment.
15025 (scan_omp_nested): Remove.
15026 (scan_omp_1): Do not call scan_omp_nested when
15027 parallel_nesting_level is > 1.
15028 Do not change the DECL_CONTEXT of local variables found.
15029 (lookup_decl_in_outer_ctx): New.
15030 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15031 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15032 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15033 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15034 If CTX is nested, lookup VAR in the outer context when
15035 building copy assignment.
15036 (lower_send_clauses): Rename from expand_send_clauses.
15037 If CTX is nested, lookup VAR in the outer context when
15038 building copy assignments.
15039 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15040 If CTX is nested, lookup VAR in the outer context when
15041 building copy assignments.
15042 (expand_parallel_call): Rename from build_parallel_call.
15043 Handle combined parallel+workshare cases.
15044 Re-implement to emit code into the CFG.
15046 (expand_omp_parallel): Re-implement to emit code into the CFG.
15047 Call move_sese_region_to_fn to outline the sub-graph
15048 containing the parallel region.
15049 (expand_omp_for_1): Remove.
15050 (expand_omp_for_generic): Re-implement to emit code into the
15052 (expand_omp_for_static_nochunk): Likewise.
15053 (expand_omp_for_static_chunk): Likewise.
15054 (expand_omp_for): Likewise.
15055 (expand_omp_sections): Likewise.
15056 (remove_exit_barriers): New.
15057 (expand_omp_synch): New.
15059 (build_omp_regions_1): New.
15060 (build_omp_regions): New.
15061 (execute_expand_omp): New.
15062 (gate_expand_omp): New.
15063 (pass_expand_omp): Define.
15064 (lower_omp_sections): Rename from expand_omp_sections.
15065 Set OMP_SECTIONS_SECTIONS.
15066 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15067 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15068 (lower_omp_single): Rename from expand_omp_simple.
15069 (lower_omp_master): Rename from expand_omp_master.
15070 (lower_omp_ordered): Rename from expand_omp_ordered.
15071 (lower_omp_critical): Rename from expand_omp_critical.
15072 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15073 (lower_omp_for): Re-implement.
15074 (lower_omp_parallel): Re-implement.
15075 (lower_regimplify): Rename from expand_regimplify.
15076 (lower_omp_1): Rename from expand_omp_1.
15077 If there are syntax errors in the program, replace every
15078 OpenMP directive with NOP.
15079 Call lower_omp_* instead of expand_omp_*.
15080 (lower_omp): Rename from expand_omp.
15082 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15083 * tree-gimple.h (enum omp_parallel_type): Remove.
15084 (gimple_boolify): Declare extern.
15085 (find_omp_clause, determine_parallel_type): Remove.
15087 * gimple-low.c (lower_omp_directive): New.
15088 (lower_stmt): Call it.
15089 (record_vars_into): Move from ...
15090 (record_vars): ... here.
15091 Call record_vars_into with current_function_decl.
15093 * gimplify.c (struct gimplify_ctx): Remove fields
15094 combined_pre_p and combined_ctxp. Update users.
15095 (get_formal_tmp_var): Add documentation.
15096 (gimple_boolify): Make extern.
15097 (gimplify_expr_in_ctx): Remove. Update callers.
15098 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15099 will always be a BIND_EXPR.
15100 (gimplify_expr): Handle OMP_RETURN_EXPR.
15101 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15102 (OMP_PARALLEL): Add 3 operands.
15103 (OMP_SECTIONS): Add 1 operand.
15104 (OMP_RETURN_EXPR): Define.
15106 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15107 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15108 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15109 creating a circular free list.
15110 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15112 * tree-flow.h (move_sese_region_to_fn): Declare.
15113 (record_vars_into): Declare.
15114 * tree-cfg.c (make_omp_sections_edges): New.
15115 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15116 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15117 OMP_SECTIONS and OMP_SECTION.
15118 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15119 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15120 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15121 (gather_blocks_in_sese_region): New.
15122 (struct move_stmt_d): Declare.
15123 (move_stmt_r): New.
15124 (move_block_to_fn): New.
15125 (move_sese_region_to_fn): New.
15127 * passes.c (init_optimization_passes): Schedule
15128 pass_expand_omp after pass_init_datastructures.
15130 * tree-ssa-operands.c (get_expr_operands): Handle
15131 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15132 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15134 2006-01-19 Jeff Law <law@redhat.com>
15136 * tree-vrp.c (extract_range_from_assert): Refine the result range
15137 if the variable referenced by the ASSERT_EXPR has a range and
15138 either the tentative result range or the previous range is a
15141 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15143 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15145 2006-01-19 Jan Hubicka <jh@suse.cz>
15147 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15149 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15151 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15152 (expand_compound_operation, expand_field_assignment): Fail if the
15153 bit lengths of an extract operation are out of range.
15154 (make_extraction): Compute wanted_inner_mode based on the position
15155 and length of the extraction. Make it extraction_mode for non-constant
15156 positions, and do not modify offset in that case. When generating a
15157 new MEM, use a mode that can hold the extraction while keeping correct
15158 alignment. Remove code that supported MEMs wrapped by USEs.
15159 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15161 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15163 * config/s390/s390.md ("Y", "y"): New mode attribute.
15164 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15165 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15166 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15167 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15168 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15169 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15170 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15171 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15172 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15173 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15174 "addsi3", "subsi3"): Insn patterns removed.
15175 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15176 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15177 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15178 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15179 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15180 "*sub<mode>3_cconly2"): New insn patterns.
15181 ("addsi3", "subsi3"): New expanders.
15183 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15185 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15186 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15187 existing STMT_VINFO_VECTYPE if available.
15188 (vect_mark_relevant): Add special handling for stmts that are
15189 marked as STMT_VINFO_IN_PATTERN_P.
15190 (vect_analyze_loop): Call vect_pattern_recog.
15191 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15192 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15194 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15195 (vect_recog_func_ptr): New function-pointer type.
15196 * tree-vect-patterns.c: New file.
15197 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15198 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15199 (vect_pattern_recog_1): New functions.
15200 (vect_pattern_recog_funcs): New array of function pointers.
15202 * tree-vectorizer.h (ternary_op): New enum value.
15203 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15204 declaration. Revised documentation. Removed redundant dump prints.
15205 Removed redundant argument. Added support for reduction patterns.
15206 (vectorizable_reduction): Added support for reduction patterns.
15207 (vect_transform_stmt): Added support for patterns.
15209 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15210 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15211 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15212 (expand_widen_pattern_expr): New function.
15213 (init_optabs): Initialize new optabs udot_prod_optab,
15215 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15216 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15217 (expand_widen_pattern_expr): New function declaration.
15218 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15220 * tree-inline.c (estimate_num_insns_1): Added cases for new
15221 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15222 * tree-pretty-print.c (dump_generic_node): Likewise.
15223 (op_prio): Likewise.
15224 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15225 * tree-ssa-operands.c (get_expr_operands): Added case for
15227 * tree-vect-patterns.c (widened_name_p): New function.
15228 (vect_recog_dot_prod_pattern): Added function implementation.
15229 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15230 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15231 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15232 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15234 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15235 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15236 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15237 (init_optabs): Initialize new optabs widen_ssum_optab,
15239 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15240 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15241 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15242 use instead of type of def.
15243 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15244 function implementation.
15245 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15246 widen_ssumv8hi): New.
15248 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15251 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15254 * c-decl.c (add_flexible_array_elts_to_size): New function.
15255 (finish_decl): Use it.
15257 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15259 * diagnostic.h: Include options.h.
15260 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15261 dependancies for diagnostic.h.
15262 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15264 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15266 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15267 (ssa_ro_call_cache_valid): Ditto.
15268 * tree-ssa-alias.c (sort_tags_by_id): New function.
15269 (init_transitive_clobber_worklist): Ditto.
15270 (add_to_worklist): Ditto.
15271 (mark_aliases_call_clobbered): Ditto.
15272 (compute_tag_properties): Ditto.
15273 (set_initial_properties): Ditto.
15274 (compute_call_clobbered): Ditto.
15275 (compute_may_aliases): Call compute_call_clobbered and grouping.
15276 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15277 (compute_flow_insensitive_aliasing): Grouping now happens in our
15279 (setup_pointers_and_addressables): Remove clobbering related code.
15280 (add_may_alias): Ditto.
15281 (replace_may_alias): Ditto.
15282 (get_nmt_for): Ditto.
15283 (create_global_var):
15284 (is_escape_site): Return an escape_type enumeration.
15285 * tree-flow-inline.h (is_call_clobbered): Global var does not
15286 imply call clobbered.
15287 (mark_call_clobbered): Take a reason for marking this. Remove
15288 marking of globalness, and cache invalidation.
15289 (clear_call_clobbered): Remove cache invalidation code.
15290 * tree-dfa.c (dump_variable): If details is on, dump the reason
15292 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15294 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15295 (struct var_ann_d): Ditto.
15296 (enum escape_type): New.
15297 (mark_call_clobbered): Adjust prototype.
15298 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15299 are never call clobbered.
15300 Record reasons for escaping.
15301 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15302 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15303 (ssa_ro_call_cache_valid): Ditto.
15304 (clobbered_v_may_defs): Ditto.
15305 (clobbered_vuses): Ditto.
15306 (ro_call_vuses): Ditto.
15307 (clobber_stats): New.
15308 (init_ssa_operands): Zero out clobber stats.
15309 (fini_ssa_operands): Print out clobber stats.
15310 (get_call_expr_operands): Pass callee fndecl to
15311 add_call_read_ops).
15312 (add_call_clobber_ops): Remove use of cache.
15313 Add use of PURE_CONST information.
15314 (add_call_read_ops): Remove use of cache.
15315 Add use of static not_read information.
15317 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15319 Introduce TLS descriptors for i386 and x86_64.
15320 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15321 (TARGET_ANY_GNU_TLS): New macro.
15322 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15323 (struct machine_function): Add tls_descriptor_call_expanded_p.
15324 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15325 (ix86_current_function_calls_tls_descriptor): Likewise.
15326 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15327 (override_options): Introduce gnu2 tls dialect.
15328 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15330 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15332 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15333 (ix86_init_machine_status): Initialize new field.
15334 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15335 (ix86_tls_module_base): New.
15336 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15337 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15338 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15339 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15340 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15341 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15342 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15343 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15344 * config/i386/predicates.md (tls_modbase_operand): New.
15345 (tp_or_register_operand): New.
15347 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15349 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15350 (look_for_address_of): Ditto.
15351 (ipa_init): Walk the function decls.
15352 (static_execute): Don't set readonly on FUNCTION_DECL's.
15354 2006-01-18 Roger Sayle <roger@eyesopen.com>
15356 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15357 for shifts where the source and destination registers are different.
15359 2006-01-18 Paul Brook <paul@codesourcery.com>
15361 Merge from csl-arm-branch.
15362 2005-03-14 Julian Brown <julian@codesourcery.com>
15363 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15364 (aeabi_llsl): Likewise.
15365 (ashrdi3): Likewise.
15366 (aeabi_lasr): Likewise.
15367 (lshrdi3): Likewise.
15368 (aeabi_llsr): Likewise.
15369 2005-03-10 Julian Brown <julian@codesourcery.com>
15370 * config.gcc: Disable shared libgcc for SymbianOS.
15371 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15373 2006-01-18 DJ Delorie <dj@redhat.com>
15375 * c-pragma.c (handle_pragma_diagnostic): New.
15376 (init_pragma): Register it.
15377 * doc/extend.texi: Document it.
15379 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15380 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15381 (diagnostic_context): Add classify_diagnostic[].
15382 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15383 as errors if they're overridden to DK_WARNING.
15384 (diagnostic_initialize): Initialize classify_diagnostic[].
15385 (diagnostic_set_kind_override): New.
15386 (diagnostic_report_diagnostic): Check for kind changes.
15387 * opts.c (common_handle_option): Take lang_mask. Update callers.
15388 Handle OPT_Werror_.
15389 * common.opt (Werror=): New.
15390 * doc/invoke.texi: Document -Werror=*
15392 2006-01-18 Jeff Law <law@redhat.com>
15394 * tree-vrp.c (test_for_singularity): Correct test for new
15395 min limit. Use operand_equal_p rather than pointer equality
15396 for testing if new min/max values are equal.
15398 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15399 using range information until after propagation and folding.
15401 2006-01-18 Richard Henderson <rth@redhat.com>
15402 Aldy Hernandez <aldyh@redhat.com>
15403 Jakub Jelinek <jakub@redhat.com>
15404 Diego Novillo <dnovillo@redhat.com>
15406 * omp-low.c: New file.
15407 * c-omp.c: New file.
15409 2006-01-18 Richard Henderson <rth@redhat.com>
15410 Jakub Jelinek <jakub@redhat.com>
15411 Diego Novillo <dnovillo@redhat.com>
15413 * doc/invoke.texi: Document -fopenmp.
15414 * tree-dump.h (debug_function): Declare.
15415 * hooks.c (hook_bool_tree_bool_false): New function.
15416 (hook_tree_tree_null): Remove.
15417 (hook_tree_tree_tree_null): New.
15418 * hooks.h: Update to match.
15419 * tree-pretty-print.c (debug_tree_chain): New.
15420 (print_generic_expr): Handle TDF_CHAIN.
15421 (dump_generic_node): Handle BLOCK.
15422 Do not abort with incomplete SWITCH_EXPRs.
15423 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15424 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15425 print space after directive name.
15426 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15427 Handle OMP_MASTER and OMP_ORDERED.
15428 Handle printing of OMP_BODY just in one place, goto
15429 dump_omp_body in the rest of OMP_* nodes that have
15431 Don't handle clause nodes here. Update omp statements to
15432 use dump_omp_clauses.
15433 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15434 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15435 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15436 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15437 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15438 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15439 Adjust output for GOMP_PARALLEL.
15440 (dump_omp_clauses): New.
15441 (print_declaration): Dump DECL_VALUE_EXPR.
15442 (op_symbol_1): Split out of op_symbol.
15443 (dumping_stmts): Remove. Update all users.
15444 * cgraph.c (cgraph_analyze_queue): New.
15445 (cgraph_add_new_function): New.
15446 * cgraph.h (cgraph_analyze_queue): Declare.
15447 (cgraph_add_new_function): Declare.
15448 (cgraph_lower_function): Remove.
15449 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15450 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15451 and TYPE_P nodes in its default clause.
15452 (empty_body_p): New.
15453 (tree_range_check_failed): New.
15454 (build5_stat): New.
15455 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15456 OMP_CLAUSE_REDUCTION_MERGE,
15457 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15458 OMP_CLAUSE_PRIVATE_DEBUG,
15459 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15460 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15461 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15462 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15463 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15464 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15465 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15466 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15467 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15468 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15469 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15470 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15471 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15472 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15473 (TREE_RANGE_CHECK): New.
15474 (empty_body_p): Declare.
15475 (enum omp_clause_default_kind): New.
15476 (build_string_literal): Declare.
15477 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15478 (build5_stat, build5): Declare.
15479 * tree-pass.h (TDF_CHAIN): Define.
15480 * tree-pass.h (PROP_gimple_lomp): Define.
15481 (pass_lower_omp): Declare.
15482 * diagnostic.h (debug_tree_chain): Declare.
15483 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15485 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15486 * builtins.c (build_string_literal): Make extern.
15487 * gcc.c (include_spec_function): New.
15488 (static_spec_functions): Add it.
15489 (main): Move load of libgomp.spec ...
15490 (LINK_COMMAND_SPEC): ... here.
15491 (link_gomp_spec): New.
15492 (static_specs): Include it.
15493 (LINK_COMMAND_SPEC): Add link_gomp.
15494 (GOMP_SELF_SPECS): New.
15495 (driver_self_specs): Include it.
15496 (switch_matches): Don't mark inline.
15497 (main): Load libgomp.spec.
15498 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15499 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15500 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15501 * tree-gimple.h (enum omp_parallel): Declare.
15502 (determine_parallel_type): Declare.
15503 (omp_firstprivatize_variable): Declare.
15504 (omp_reduction_init): Declare.
15505 (diagnose_omp_structured_block_errors): Declare.
15506 (struct walk_stmt_info): Add want_return_expr.
15507 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15508 (find_omp_clause): Declare.
15509 (insert_field_into_struct): Declare.
15510 (struct walk_stmt_info): Move from tree-nested.c
15511 (walk_stmts): Declare.
15512 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15514 * cgraphunit.c (cgraph_lower_function): Make static.
15515 (cgraph_finalize_pending_functions): New.
15516 (cgraph_finalize_function): Call it.
15517 (cgraph_finalize_compilation_unit): Likewise.
15518 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15519 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15520 (BT_FN_UINT_UINT): New.
15521 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15522 DEF_FUNCTION_TYPE_VAR_4): Document.
15523 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15524 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15525 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15526 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15527 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15528 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15529 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15530 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15531 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15532 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15533 into separate files.
15534 (DEF_GOMP_BUILTIN): New.
15535 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15536 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15537 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15538 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15539 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15540 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15541 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15542 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15543 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15544 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15545 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15546 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15547 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15548 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15549 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15550 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15551 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15552 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15553 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15554 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15555 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15556 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15557 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15558 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15559 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15560 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15561 * sync-builtins.def: New file, moved from builtins.def.
15562 * omp-builtins.def: New file, moved from builtins.def.
15563 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15564 * gimple-low.c (lower_function_body): Clear data.
15565 (lower_stmt): Do not handle COMPOUND_EXPR.
15566 Remove call to print_node_brief.
15567 * c-tree.h (c_finish_omp_clauses): New prototype.
15568 (C_DECL_THREADPRIVATE_P): Define.
15569 (lookup_name_no_remap, c_omp_remap_private): Remove
15570 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15571 (check_for_loop_decls): Update decl.
15572 (lookup_name_no_remap, c_omp_remap_private): Declare.
15573 (build_indirect_ref, build_modify_expr, pushdecl,
15574 pushdecl_top_level): Move to c-common.h.
15575 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15576 before the switch, but just in the 2 places that need it.
15577 * c-decl.c (diagnose_mismatched_decls): Do not check for
15578 mismatched thread-local attributes when OLDDECL is marked
15579 threadprivate and NEWDECL has no thread-local attributes.
15580 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15581 (c_gimple_diagnostics_recursively): Rename from
15582 c_warn_unused_result_recursively. Invoke
15583 diagnose_omp_structured_block_errors.
15584 (check_for_loop_decls): Return a singular decl found.
15585 * langhooks.c (lhd_omp_predetermined_sharing): Return
15586 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15587 (lhd_omp_firstprivatize_type_sizes): New.
15588 (lhd_omp_assignment): New.
15589 (lhd_omp_predetermined_sharing): New.
15590 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15591 (struct lang_hooks_for_types): Add
15592 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15593 omp_predetermined_sharing, omp_disregard_value_expr,
15594 omp_private_debug_clause, omp_clause_default_ctor,
15595 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15596 (c_finish_omp_clauses): New.
15597 (c_finish_bc_stmt): Diagnose break within omp for.
15598 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15599 (build_unary_op): Return error_mark after reporting
15601 (build_modify_expr): Likewise.
15602 * gimplify.c: Include optabs.h and pointer-set.h.
15603 (enum gimplify_omp_var_data): Declare.
15604 (struct gimplify_omp_ctx): Declare.
15605 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15607 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15608 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15609 (splay_tree_compare_decl_uid): New.
15610 (new_omp_context): New.
15611 (delete_omp_context): New.
15612 (gimple_add_tmp_var): Call omp_add_variable.
15613 (gimplify_bind_expr): Likewise.
15614 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15615 true, disregard DECL_VALUE_EXPR on the decl if any.
15616 (gimplify_expr_in_ctx): New.
15617 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15618 omp_add_variable, omp_notice_variable, omp_is_private
15619 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15620 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15621 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15622 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15623 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15624 gimplify_omp_atomic): New.
15625 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15626 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15627 OMP_CRITICAL and OMP_ATOMIC.
15628 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15629 * c-pragma.h (enum pragma_kind): Add
15630 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15631 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15632 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15633 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15634 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15635 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15636 PRAGMA_OMP_THREADPRIVATE.
15637 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15638 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15639 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15640 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15641 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15642 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15643 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15644 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15645 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15646 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15647 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15648 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15649 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15651 (struct nesting_info): Add field_map,
15652 suppress_expansion, debug_var_chain.
15653 (create_nesting_tree): Initialize them.
15654 (lookup_field_for_decl): Use field_map.
15655 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15656 (convert_local_omp_clauses): New.
15657 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15658 (walk_body): Split out of walk_function.
15659 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15660 (convert_nonlocal_reference): Handle omp statements.
15661 (convert_local_reference): Likewise.
15662 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15663 (unnest_nesting_tree): New.
15664 (lower_nested_functions): Call it.
15665 (insert_field_into_struct): Make extern.
15666 (struct walk_stmt_info): Move to tree-gimple.h.
15667 (walk_stmts): Make extern.
15668 * omp-builtins.def: New file.
15669 * tree-iterator.c (expr_only): Clarify comment.
15670 * c-common.h (pushdecl_top_level, pushdecl,
15671 build_modify_expr, build_indirect_ref,
15672 c_finish_omp_master, c_finish_omp_critical,
15673 c_finish_omp_ordered, c_finish_omp_barrier,
15674 c_finish_omp_atomic, c_finish_omp_flush,
15675 c_finish_omp_for, c_split_parallel_clauses,
15676 omp_clause_default_kind, c_omp_sharing_predetermined,
15677 c_omp_remap_decl): Declare.
15678 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15679 (OBJS-common): Add omp-low.o.
15680 (c-omp.o, omp-low.o): Add.
15681 (gimplify.o): Add dependency on $(OPTABS_H).
15682 (GTFILES): Add omp-low.c.
15683 (gt-stringpool.h): Add.
15684 * tree-cfg.c (set_bb_for_stmt): Do not update the
15685 block-to-labels map if we are currently expanding to RTL.
15686 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15688 Handle IDENTIFIER_NODE.
15689 (tree_verify_flow_info): Do not ICE when emitting error
15690 messages about invalid labels.
15691 (dump_function_to_file): Reset CFUN before emitting the body
15693 (debug_function): New.
15694 * passes.c (init_optimization_passes): Schedule
15696 * langhooks-def.h (lhd_omp_predetermined_sharing,
15697 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15699 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15700 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15701 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15702 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15703 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15704 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15705 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15706 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15707 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15708 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15709 (LANG_HOOK_DECLS): Use them.
15711 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15712 Richard Henderson <rth@redhat.com>
15713 Jakub Jelinek <jakub@redhat.com>
15714 Diego Novillo <dnovillo@redhat.com>
15716 * c-parser.c (pragma_omp_clause): Define.
15717 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15718 (c_parser_compound_statement): Likewise.
15719 (c_parser_statement): Likewise.
15720 (c_parser_pragma): Handle omp pragmas.
15721 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15722 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15723 (c_parser_omp_clause_name, check_no_duplicate_clause,
15724 c_parser_omp_variable_list,
15725 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15726 c_parser_omp_clause_copyprivate,
15727 c_parser_omp_clause_default,
15728 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15729 c_parser_omp_clause_lastprivate,
15730 c_parser_omp_clause_nowait,
15731 c_parser_omp_clause_num_threads,
15732 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15733 c_parser_omp_clause_reduction,
15734 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15735 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15736 c_parser_omp_atomic, c_parser_omp_barrier,
15737 c_parser_omp_critical, c_parser_omp_flush,
15738 c_parser_omp_for_loop, c_parser_omp_for,
15739 c_parser_omp_master, c_parser_omp_ordered,
15740 c_parser_omp_sections_scope, c_parser_omp_sections,
15741 c_parser_omp_parallel, c_parser_omp_single,
15742 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15743 * c-pragma.c (init_pragma): Do omp pragma registration here.
15744 * c.opt (fopenmp): New flag.
15746 2006-01-18 Eric Christopher <echristo@apple.com>
15748 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15749 * config/darwin.h (GOMP_SELF_SPECS): Define.
15751 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15753 * rtl.h: Remove the prototype for reg_alloc.
15755 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15758 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15759 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15760 sjlj and dwarf2 exception handling.
15761 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15762 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15763 * pa/pa.c (function_value): Treat complex and vector types as
15765 (function_arg): Likewise. Only pass scalar floats in the floating
15766 point argument registers.
15767 * pa/t-slibgcc-dwarf-ver: New file.
15768 * pa/t-slibgcc-sjlj-ver: New file.
15769 * pa/t-slibgcc-elf-ver: Delete file.
15771 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15773 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15774 unlikely_test_section_p test.
15776 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15778 * mode-switching.c (optimize_mode_switching): Make it static.
15779 * basic-block.h: Remove the prototype for
15780 optimize_mode_switching.
15782 * modulo-sched.c (sms_schedule): Make it static.
15783 * rtl.h: Remove the prototype for sms_schedule.
15785 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15786 * rtl.h: Remove the prototype for gcse_after_reload_main.
15788 * reg-stack.c (reg_to_stack): Make it static.
15789 * rtl.h: Remove the prototype for reg_to_stack.
15791 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15793 * rtl.h: Remove the prototypes for regrename_optimize and
15794 copyprop_hardreg_forward.
15796 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15798 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15799 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15800 Test against the appropriate null constant for the mode.
15801 If 'fixup_overlap' is true, swap the operands if they overlap.
15802 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15803 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15804 alpha_split_tmode_pair and adjust for above change.
15805 * config/alpha/alpha.md (movtf_internal): Adjust call to
15806 alpha_split_tfmode_pair and rely on it to swap the operands.
15807 (movti_internal): New insn and post-reload splitter.
15808 (movti): New expander.
15810 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15812 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15815 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15817 * rtlanal.c (global_reg_mentioned_p_1,
15818 global_reg_mentioned_p): Remove.
15819 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15821 * flow.c (initialize_uninitialized_subregs): Make it static.
15822 * rtl.h: Remove the prototype for
15823 initialize_uninitialized_subregs.
15825 * function.c (instantiate_virtual_regs): Make it static.
15826 * function.h: Remove the prototype for
15827 instantiate_virtual_regs.
15829 * regmove.c (regmove_optimize, combine_stack_adjustments):
15831 * rtl.h: Remove the prototypes for regmove_optimize and
15832 combine_stack_adjustments.
15834 2006-01-17 Roger Sayle <roger@eyesopen.com>
15836 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15837 (size_cost): Encode costs in bytes so that a reg-reg addition is
15838 equivalent to COSTS_N_INSNS(1).
15839 (override_options): Use the size_cost.branch_cost as the default
15840 ix86_branch_cost when optimizing for size.
15842 2006-01-18 Ben Elliston <bje@au.ibm.com>
15844 * Makefile.in (D32PBIT_FUNCS): New.
15845 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15846 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15847 D64PBIT_FUNCS and D128PBIT_FUNCS.
15848 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15849 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15851 (decnumber_dep): Define.
15852 * doc/libgcc.texi (Decimal float library routines): New node.
15853 * config/dfp-bit.h, config/dfp-bit.c: New files.
15855 2006-01-18 Ben Elliston <bje@au.ibm.com>
15857 * expr.c (emit_move_change_mode): Always adjust addresses, not
15858 just during reload. Copy replacements only during reload.
15859 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15860 emit_move_via_integer.
15862 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15864 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15865 instead of $(srcdir) and ${srcdir}.
15867 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15870 PR middle-end/11135
15871 * arm.h (struct machine_function): Add pic_reg.
15872 * arm.c (arm_pic_register): Make unsigned.
15873 (arm_override_options): Only set arm_pic_register if
15874 TARGET_SINGLE_PIC_BASE.
15875 (use_return_insn): Only test for a pic register if it is fixed.
15876 (arm_compute_save_reg0_reg12_mask): Likewise.
15877 (thumb_compute_save_reg_mask): Likewise.
15878 (legitimate_pic_operand): Factor out some known invariants.
15879 (legitimize_pic_address): If we don't have a fixed pic register,
15880 then set up a pseudo in the function entry sequence. Handle the
15881 pic base being in a pseudo.
15882 (arm_load_pic_register): Handle the pic register being in a pseudo.
15883 (arm_expand_prologue): Only set up the pic register if it is fixed.
15884 (thumb_expand_prologue): Likewise.
15885 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15886 (pic_load_addr_based_insn): Likewise.
15887 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15890 2006-01-18 Ben Elliston <bje@au.ibm.com>
15892 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15893 decimal float modes for all floating point registers.
15895 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15896 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15898 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15901 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15902 even when the pointer is not NULL.
15904 2006-01-16 Ian Lance Taylor <ian@airs.com>
15906 * common.opt (ftoplevel-reorder): New option.
15907 * cgraph.c (cgraph_asm_nodes): New global variable.
15908 (cgraph_asm_last_node): New static variable.
15909 (cgraph_order): New global variable.
15910 (cgraph_create_node): Set new order field.
15911 (cgraph_varpool_node): Likewise.
15912 (decide_is_variable_needed): Return true if not
15913 flag_toplevel_reorder.
15914 (cgraph_add_asm_node): New function.
15915 * cgraph.h (struct cgraph_node): Add order field.
15916 (struct cgraph_varpool_node): Add order field.
15917 (struct cgraph_asm_node): Define.
15918 (cgraph_asm_nodes, cgraph_order): Declare.
15919 (cgraph_add_asm_node): Declare.
15920 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15922 (cgraph_varpool_assemble_pending_decls): Call it.
15923 (cgraph_output_pending_asms): New static function.
15924 (cgraph_finalize_compilation_unit): Call it.
15925 (struct cgraph_order_sort): Define.
15926 (cgraph_output_in_order): New static function.
15927 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15928 !flag_toplevel_reorder case.
15929 * c-parser.c: Include "cgraph.h".
15930 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15932 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15933 than -fno-unit-at-a-time.
15934 * doc/invoke.texi (Option Summary): Mention
15935 -fno-toplevel-reorder.
15936 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15937 -funit-at-a-time documentation.
15939 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15940 Kazu Hirata <kazu@codesourcery.com>
15942 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15944 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15946 * Makefile.in (FUNCTION_H): New. Use it instead of
15947 function.h throughout the file.
15948 * function.h: Include tree.h.
15950 2006-01-17 Ben Elliston <bje@au.ibm.com>
15952 * recog.c: Separate some functions with whitespace.
15954 2006-01-16 Richard Henderson <rth@redhat.com>
15956 Merge from gomp branch:
15957 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15958 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15959 and rename from struct inline_data. Rename callee* to dst*;
15960 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15961 transform_new_cfg, transform_return_to_modify, and
15962 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15964 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15965 (copy_decl_for_dup): Remove.
15966 * tree-inline.c (struct inline_data): Move to header.
15967 (insert_decl_map): Export.
15968 (remap_decl): Update for member name changes. Use copy_decl hook.
15969 Allow for replacement to be a non-decl. Remove dead code.
15970 (remap_type_1): Check for existing mapping.
15971 (remap_type): Export.
15972 (remap_decls): Update for member name changes.
15973 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15974 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15975 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15976 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15977 (tree_function_versioning, build_duplicate_type): Likewise.
15978 (copy_body_r): Likewise. Export.
15979 (copy_decl_for_dup): Split into ...
15980 (copy_decl_for_dup_finish, copy_decl_to_var,
15981 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15982 (replace_ref_tree, inlining_p): Remove.
15984 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15986 * ifcvt.c (if_convert): Make it static.
15987 * rtl.h: Remove the prototype for if_convert.
15989 * local-alloc.c (local_alloc): Make it static.
15990 * rtl.h: Remove the prototype for local_alloc.
15992 * loop.c (loop_optimize): Make it static.
15993 * cfgloop.h: Remove the prototype for loop_optimize.
15996 2006-01-16 DJ Delorie <dj@redhat.com>
15998 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16001 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16003 * pa.md: Disparage copies between general and floating-point registers
16004 in 32-bit move patterns.
16006 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16009 * Makefile.in (check-%): Depend on site.exp instead of
16010 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16013 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16015 * global.c (global_alloc): Make it static.
16016 * rtl.h: Remove the prototype for global_alloc.
16018 2006-01-16 Richard Guenther <rguenther@suse.de>
16020 * tree-ssa-alias.c (struct used_part): Add write_only field.
16021 (get_or_create_used_part_for): Initialize it to true.
16022 (create_overlap_variables_for): Don't create structure variables
16023 for structures that only are written to.
16024 (find_used_portions): Handle MODIFY_EXPR to track whether a
16025 structure is only written to.
16027 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16029 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16031 * basic-block.h: Remove the prototype for
16032 partition_hot_cold_basic_blocks.
16034 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16036 * cppspec.c (lang_specific_spec_functions): Remove.
16037 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16038 * gcc.h (lang_specific_spec_functions): Remove.
16039 * gccspec.c (lang_specific_spec_functions): Remove.
16041 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16043 * combine.c (record_value_for_reg): Invalidate registers
16045 (record_dead_and_set_regs_1): Likewise, by passing them to
16046 record_value_for_reg.
16047 (record_dead_and_set_regs): Invalidate stores made by a
16048 call. We do not combine across a call, but we still
16049 relied on equivalences.
16051 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16053 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16054 vrp_int_const_binop returning non-constant nodes.
16056 2006-01-16 Paul Brook <paul@codesourcery.com>
16058 * config/m68k/m68k.c (output_move_const_into_data_reg):
16059 Output correct mnemonic for mvz and mvs.
16061 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16063 * rtl-factoring.c: Add sequence abstraction algorithm.
16064 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16065 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16067 (block_has_preserve_label): New function.
16068 * common.opt: Register new pass.
16069 * Makefile.in: Ditto.
16071 * timevar.def: Ditto.
16072 * tree-pass.h: Ditto.
16073 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16074 * rtl.h (make_jump_insn_raw): Add forward decl.
16075 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16077 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16078 Roger Sayle <roger@eyesopen.com>
16080 * fold-const.c (fold_minmax): New static function.
16081 (fold_binary) <MIN_EXPR>: Call it.
16082 <MAX_EXPR>: Likewise.
16083 * stor-layout.c (place_field): Use DECL_SIZE consistently
16084 in the computation of the new record size.
16086 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16088 * cse.c (cse_condition_code_reg): Make it static.
16089 * rtl.h: Remove the prototype for cse_condition_code_reg.
16091 * combine.c (combine_instructions): Make it static.
16092 * rtl.h: Remove the prototype for combine_instructions.
16094 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16097 * tree.c (get_file_function_name_long): Concatenate the first global
16098 object name with a string derived from the input filename of the object
16101 2006-01-16 Ben Elliston <bje@au.ibm.com>
16103 * config/i386/winnt-stubs.c: Update FSF address.
16104 * config/xtensa/ieee754-df.S: Ditto.
16105 * config/xtensa/ieee754-sf.S: Ditto.
16107 2006-01-14 Ian Lance Taylor <ian@airs.com>
16109 * ifcvt.c (noce_init_if_info): New static function, broken out of
16110 noce_process_if_block.
16111 (noce_process_if_block): Call noce_init_if_info.
16112 (check_cond_move_block): New static function.
16113 (cond_move_process_if_block): New static function.
16114 (process_if_block): Call cond_move_process_if_block.
16116 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16118 * cselib.c (hash_table): Rename to cselib_hash_table.
16119 (cselib_clear_table, discard_useless_values,
16120 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16121 cselib_init, cselib_finish): Adjust uses of hash_table.
16123 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16125 PR tree-optimization/25485
16126 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16127 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16128 is known to be false and true, respectively.
16130 2006-01-14 Richard Guenther <rguenther@suse.de>
16132 PR tree-optimization/22548
16133 PR tree-optimization/22555
16134 PR tree-optimization/22501
16135 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16136 * params.def (salias-max-array-elements): New parameter.
16137 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16138 * doc/invoke.texi (salias-max-array-elements): Document.
16139 * tree-flow-inline.h (var_can_have_subvars): We also handle
16141 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16143 * tree-ssa-structalias.c (params.h): Include.
16144 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16145 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16146 (get_constraint_for): For ADDR_EXPR operating on something
16147 containing an ARRAY_REF, add all subvars to the solution.
16148 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16149 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16150 for creating MUST_DEFs.
16151 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16153 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16155 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16157 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16158 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16159 number_of_iterations_le): New functions.
16160 (number_of_iterations_special): Removed.
16161 (number_of_iterations_exit): Do not use number_of_iterations_special.
16162 * tree.c (unsigned_type_for): Always return integer type.
16164 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16165 Richard Guenther <rguenther@suse.de>
16167 PR rtl-optimization/24257
16168 * gcse.c (find_moveable_store): Only consider a store movable
16169 when the SET_SRC of the insn can be assigned to a register.
16171 2006-01-14 Ian Lance Taylor <ian@airs.com>
16173 * tree.c (tree_not_class_check_failed): New function.
16174 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16175 (tree_not_class_check_failed): Declare.
16177 2006-01-13 Ian Lance Taylor <ian@airs.com>
16179 * reload1.c (do_output_reload): Add assertion rejecting a
16182 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16184 * combine.c (struct reg_stat): Add new fields truncation_label and
16186 (record_value_for_reg): Reset truncated_to_mode.
16187 (record_truncated_value): New function.
16188 (check_promoted_subreg): Call it. Rename to check_conversions.
16189 (combine_instructions): Rename check_promoted_subreg to
16191 (reg_truncated_to_mode): New function.
16192 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16193 (gen_lowpart_or_truncate): New function.
16194 (force_to_mode): Use it instead of gen_lowpart.
16196 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16198 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16199 VAR is a tag, not its type tag.
16201 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16203 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16204 alternatives to match style of other entries.
16205 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16207 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16209 PR tree-optimization/25771
16210 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16213 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16216 * tree-inline.c (declare_return_variable): If the return variable
16217 was marked as a non gimple complex, set the return slot variable
16218 to be a non gimple comple variable.
16220 2006-01-13 Richard Guenther <rguenther@suse.de>
16222 * builtins.c (expand_builtin_sincos): New function.
16223 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16225 (expand_builtin): Expand sincos using expand_builtin_sincos.
16227 2006-01-12 DJ Delorie <dj@redhat.com>
16229 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16230 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16231 so that constant shifts can be split.
16232 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16233 (m32c_valid_pointer_mode): Make static.
16234 (shift_gen_func_for): New.
16235 (m32c_prepare_shift): Use it. Split large const shifts into
16237 * config/m32c/predicates.md (shiftcount_operand): Allow more
16239 (longshiftcount_operand): New.
16240 * doc/md.texi (Machine Constraints): Document In6.
16242 2006-01-13 Ben Elliston <bje@au.ibm.com>
16244 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16245 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16248 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16250 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16251 to try to avoid clobbering pieces of structures when we know
16252 something about the whole structure.
16253 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16255 2006-01-13 Ben Elliston <bje@au.ibm.com>
16257 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16258 return in memory, as this is no limitation is no longer present.
16260 2006-01-12 DJ Delorie <dj@redhat.com>
16262 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16263 mova with fb, and for fb+0 -> An.
16265 * config/m32c/mov.md (peephole2): Fix enabling logic.
16267 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16268 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16269 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16270 FINI_ARRAY_SECTION_ASM_OP): Define.
16272 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16274 (m32c_legitimize_reload_address): New logic to reload FB to An.
16275 (m32c_output_reg_push): Add newline.
16276 (m32c_output_reg_pop): Likewise.
16278 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16280 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16282 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16284 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16286 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16288 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16291 2006-01-11 Ben Elliston <bje@au.ibm.com>
16293 * rtlanal.c (find_reg_note): Assert insn is not null.
16295 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16297 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16300 2006-01-11 Jeff Law <law@redhat.com>
16302 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16304 (mark_threaded_blocks, register_jump_thread): New functions.
16305 (thread_through_all_blocks): Remove unwanted argument. No
16306 longer rely on e->aux to communicate thread target info.
16307 Call mark_threaded_blocks. Release the threaded_blocks
16308 bitmap and threaded_edges vector when complete.
16309 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16310 (threaded_blocks): Remove.
16311 (tree_ssa_dominator_optimize): Remove initialization and
16312 finalization of threaded_blocks. Simplify call to
16313 thread_through_all_blocks.
16314 (thread_across_edge): Call register_jump_thread rather than
16315 storing thread information into e->aux.
16316 (free_all_edge_infos): Simplify now that e->aux is no longer
16317 used to communicate with thread_through_all_blocks.
16318 * tree-flow.h (thread_through_all_blocks): Update prototype.
16319 (register_jump_thread): Prototype.
16321 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16323 * df-core.c (df_compact_blocks, df_bb_replace): Use
16324 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16326 2006-01-11 Richard Guenther <rguenther@suse.de>
16328 PR tree-optimization/25734
16329 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16330 stop propagation after successful propagation to the LHS.
16332 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16334 * basic-block.h (control_flow_graph): Change the type of
16335 x_basic_block_info to VEC(basic_block,gc) *.
16336 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16338 (SET_BASIC_BLOCK): New.
16339 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16340 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16341 * cfgbuild.c (find_basic_blocks): Likewise.
16342 * cfglayout.c (fixup_reorder_chain): Likewise.
16343 * cfgrtl.c (create_basic_block_structure,
16344 rtl_create_basic_block): Likewise.
16345 * ifcvt.c (find_if_case_1): Likewise.
16346 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16349 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16351 * Makefile.in: Removed rotted odf.c entry.
16353 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16356 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16357 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16358 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16359 output pattern modifier, not %e.
16360 * config/cris/cris.c (cris_op_str): Update comment about pattern
16362 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16363 before falling through into...
16364 <case 'E'>: Redefined from old 'e' case.
16366 2006-01-11 Jan Hubicka <jh@suse.cz>
16369 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16371 2006-01-11 Jan Hubicka <jh@suse.cz>
16373 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16374 * i386.c (x86_decompose_lea): Kill.
16375 (ix86_rtx_costs): Kill.
16377 2006-01-11 Jan Hubicka <jh@suse.cz>
16379 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16380 * cgraph.h (cgraph_node): Add inline_decl.
16381 (cgraph_insert_node_to_hashtable): Declare.
16382 (save_inline_function_body): Declare.
16383 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16385 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16386 (cgraph_function_versioning): Update call of tree_function_versioning.
16387 (save_inline_function_body): New function.
16388 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16389 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16390 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16391 (cgraph_default_inline_p): Likewise.
16392 (cgraph_decide_inlining_incrementally): Likewise.
16393 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16394 (copy_bb): Kill saving; do updating of clones.
16395 (copy_cfg_body): Kill saving.
16396 (initialize_inlined-parameters): Likewise.
16397 (expand_call_inline): Likewise.
16399 (tree_function_versioning): New parameter "update_clones".
16400 (inlining_p): Kill saving.
16401 * tree-inline.h (tree_function_versioning): Update prototype.
16402 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16405 2006-01-11 Ian Lance Taylor <ian@airs.com>
16407 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16408 Allow undoing set of machine mode.
16409 (do_SUBST): Use enums instead of is_int.
16410 (do_SUBST_MODE): New function.
16411 (SUBST_MODE): New macro.
16412 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16413 reg and trying to replace reg_regno_rtx with a new register.
16414 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16415 (simplify_set): Use SUBST_MODE.
16416 (distribute_notes): Remove code that tried to update reg notes
16417 for regno_reg_rtx changes.
16419 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16421 PR tree-optimization/23109
16422 PR tree-optimization/23948
16423 PR tree-optimization/24123
16425 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16426 * tree-cfg.c (single_noncomplex_succ): New.
16427 * tree-flow.h (single_noncomplex_succ): Declare it.
16428 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16429 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16430 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16431 insert_bb, register_division_in, insert_reciprocals,
16432 replace_reciprocal, free_bb): New.
16433 (execute_cse_reciprocals_1): Rewritten.
16434 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16435 Do not commit any edge insertion. Always compute dominators and
16436 create the allocation pool.
16437 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16438 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16439 * targhooks.c (default_min_divistions_for_recip_mul): New.
16440 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16441 * passes.c (init_optimization_passes): Run recip after tree loop
16443 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16445 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16446 Kenneth Zadeck <zadeck@naturalbridge.com>
16448 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16449 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16450 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16451 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16452 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16453 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16454 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16455 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16456 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16457 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16458 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16459 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16460 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16461 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16462 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16463 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16464 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16465 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16466 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16467 DF_SCAN_POST_ALLOC): New macros.
16468 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16469 df_free_bb_function, df_local_compute_function, df_init_function,
16470 df_dataflow_function, df_confluence_function_0,
16471 df_confluence_function_n, df_transfer_function,
16472 df_finalizer_function, df_free_function, df_dump_problem_function,
16473 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16474 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16475 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16476 df_urec_bb_info, ) New types.
16477 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16479 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16480 df_analyze_simple_change_some_blocks,
16481 df_analyze_simple_change_one_block, df_compact_blocks,
16482 df_bb_replace, df_bb_regno_last_use_find,
16483 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16484 df_insn_regno_def_p, df_find_def, df_find_use,
16485 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16486 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16487 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16488 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16489 debug_df_chain, df_get_dependent_problem, df_chain_create,
16490 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16491 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16492 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16493 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16494 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16495 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16496 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16497 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16498 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16499 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16500 df_reorganize_refs, df_set_state, df_hard_reg_init,
16501 df_read_modify_subreg_p) New public functions.
16502 * df-core.c: The core dataflow solver and glue routines for rtl
16504 (df_init, df_add_problem, df_set_blocks, df_finish,
16505 df_hybrid_search_forward, df_hybrid_search_backward,
16506 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16507 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16508 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16509 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16510 df_reg_defined, df_find_use, df_reg_used, df_dump,
16511 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16512 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16513 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16514 debug_df_useno, reset_df_after_reload): New functions.
16515 * df-scan.c: The scanning fuctions, once in df.c, completely
16516 rewritten so that they now fully model the functionality of
16517 register usage at the backend.
16518 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16519 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16520 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16521 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16522 df_get_artificial_defs, df_get_artificial_uses,
16523 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16524 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16525 df_refs_delete, df_reorganize_refs, df_set_state,
16526 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16527 df_def_record_1, df_defs_record, df_uses_record,
16528 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16529 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16530 df_record_exit_block_uses, df_hard_reg_init): New functions.
16532 * df-problems.c: Seven concrete dataflow problems that use the
16533 scanning in df-scan.c and are solved by the engine in df-core.c.
16534 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16535 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16536 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16537 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16538 df_ru_free_bb_info, df_ru_alloc,
16539 df_ru_bb_local_compute_process_def,
16540 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16541 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16542 df_ru_transfer_function, df_ru_free, df_ru_dump,
16543 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16544 df_rd_free_bb_info, df_rd_alloc,
16545 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16546 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16547 df_rd_transfer_function, df_rd_free, df_rd_dump,
16548 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16549 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16550 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16551 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16552 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16553 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16554 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16555 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16556 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16557 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16558 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16559 df_urec_mark_reg_use_for_earlyclobber,
16560 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16561 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16562 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16563 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16564 df_chain_create_bb_process_use, df_chain_create_bb,
16565 df_chain_finalize, df_chain_free, df_chains_dump,
16566 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16567 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16568 df_reg_lifetime): New functions.
16569 * df.c: Deleted file.
16570 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16571 consistent with new df api.
16572 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16573 rest_of_handle_sms): Ditto.
16574 * web.c (unionfind_union, union_defs, entry_register, web_main):
16576 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16577 invariant_expr_equal_p, find_defs, check_dependencies,
16578 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16579 free_inv_motion_data, move_loop_invariants): Ditto.
16580 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16581 Update dependencies.
16582 (odf.c): Added defective entry that was deleted later in day.
16583 * sched-deps.c (sched_analyze_1): Ditto.
16585 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16587 * tree-ssa-operands.c (get_expr_operands): Record addressable
16588 variables directly. Do not call add_stmt_operands for CONST_DECLs
16590 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16591 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16593 2006-01-11 Ben Elliston <bje@au.ibm.com>
16595 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16596 function returns true in the positive case.
16598 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16601 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16602 for SI, DI, SF and DF modes. Add alternatives to copy between
16603 general and floating point registers to the 32-bit patterns.
16604 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16605 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16606 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16607 generating 64-bit code.
16608 * config/pa/pa.c (output_move_double): Handle copies between general
16609 and floating registers.
16611 2006-01-10 Stuart Hastings <stuart@apple.com>
16613 * config/i386/i386.md (set_got): Update.
16614 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16615 (builtin_setjmp_receiver): Mach-O support.
16616 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16617 (GOT_SYMBOL_NAME): Define.
16618 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16619 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16620 * config/i386/i386.c (override_options): Revise for Darwin.
16621 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16622 support. (darwin_x86_file_end): New. (output_set_got): Add label
16623 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16624 * config/i386/i386-protos.h (output_set_got): Likewise.
16625 * config/darwin.c (machopic_legitimize_pic_address): Update
16628 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16630 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16631 when MODE isn't BLKmode.
16633 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16635 PR rtl-optimization/25367
16636 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16638 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16641 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16642 for a negative bound.
16644 2006-01-10 Richard Guenther <rguenther@suse.de>
16646 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16647 Never override with anything constraint.
16649 2006-01-10 Jan Beulich <jbeulich@novell.com>
16651 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16652 256 bits when optimize_size.
16654 2006-01-10 Jan Beulich <jbeulich@novell.com>
16656 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16658 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16659 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16662 2006-01-10 Ben Elliston <bje@au.ibm.com>
16664 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16666 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16667 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16668 (USE_FP_FOR_ARG): Reject decimal float modes.
16669 (function_arg_advance): Likewise.
16670 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16671 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16672 point types in AltiVec vectors.
16673 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16674 (rs6000_libcall_value): Likewise.
16676 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16678 * config/xtensa/ieee754-df.S: New file.
16679 * config/xtensa/ieee754-sf.S: New file.
16680 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16681 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16682 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16684 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16686 * config/sh/predicates.md (binary_float_operator,
16687 binary_logical_operator, commutative_float_operator,
16688 equality_comparison_operator, greater_comparison_operator,
16689 less_comparison_operator, logical_operator,
16690 noncommutative_float_operator, shift_operator,
16691 symbol_ref_operand, unary_float_operator): Remove redundant
16694 2006-01-09 Jeff Law <law@redhat.com>
16696 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16697 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16698 now unused arguments. Callers updated.
16699 (eliminate_redundant_computations): Remove now unused arguments,
16701 (local_fold): Remove, no longer used.
16702 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16704 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16705 (simplify_cond): New function.
16706 (forward_propagate_into_cond): Call simplify_cond.
16708 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16710 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16711 (*vec_extractv2di_1_sse): New.
16713 2006-01-09 Ben Elliston <bje@au.ibm.com>
16715 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16717 2006-01-08 Richard Guenther <rguenther@suse.de>
16719 * tree-ssa-structalias.c (get_constraint_for): Remove
16720 anyoffset argument.
16721 (get_constraint_for_component_ref): Likewise.
16722 (do_deref): Likewise.
16723 (get_constraint_for): Likewise.
16724 (do_structure_copy): Likewise.
16725 (handle_ptr_arith): Likewise.
16726 (find_func_aliases): Likewise. Remove unused need_anyoffset
16729 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16730 Kaz Kojima <kkojima@gcc.gnu.org>
16732 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16733 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16734 (EXTRA_CONSTRAINT_C16): Remove.
16735 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16736 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16737 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16738 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16739 constants of SHmedia. Handle nested constant expressions of
16741 (andcosts): Fix the costs for SHmedia constants.
16742 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16743 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16744 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16745 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16746 (movv4hi_i, movv2si_i): Likewise.
16747 (movsi_const): Adjust the second operand of ior so to match with
16748 the Csu constraint.
16749 (movdi_const, movdi_const_32bit): Likewise.
16750 (movdi_const_16bit+1): Don't sign-extend LOW.
16751 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16753 (*double_shori): Fix the split condition. Use GEN_INT instead
16754 of get_int_mode calls. Mask lower 16-bit of the argument of
16756 (sym2GOTPLT): Remove.
16757 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16759 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16760 instead of EXTRA_CONSTRAINT_C16.
16762 2006-01-07 Ian Lance Taylor <ian@airs.com>
16763 David Edelsohn <edelsohn@gnu.org>
16765 PR rtl-optimization/25662
16766 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16767 for constant operands instead of simplify_gen_binary.
16768 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16769 after trying simplify_binary_operation
16771 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16773 * tree.c (iterative_hash_expr): Hash decls based on UID.
16775 2006-01-06 Eric Christopher <echristo@apple.com>
16777 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16778 (TARGET_UNWIND_EMIT): Fix spelling.
16779 * target.h (gcc_target): Add except_table_label.
16780 * except.c (output_function_exception_table): Use.
16781 * varasm.c (default_emit_except_table_label): New.
16782 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16784 (asm_out): Add here.
16785 * output.h (default_emit_except_table_label): Prototype.
16786 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16787 * config/darwin.c (darwin_emit_except_table_label): Define.
16788 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16790 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16792 PR tree-optimization/18527
16793 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16794 number_of_iterations_special, number_of_iterations_exit):
16795 Move base and step of an iv to a single structure. Add
16796 no_overflow flag, and use it in # of iterations analysis.
16797 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16798 folded_casts argument.
16799 (simple_iv): Pass base and step in a structure. Set no_overflow
16801 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16802 Evaluate expensiveness of computing # of iterations instead of
16803 the final expression.
16804 * tree-scalar-evolution.h (affine_iv): New structure.
16805 (simple_iv): Declaration changed.
16806 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16807 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16808 find_givs_in_stmt): Changed due to simple_iv change.
16810 2006-01-06 Jeff Law <law@redhat.com>
16813 * tree-cfg.c (bsi_replace): Rename final argument from
16814 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16815 change (stmt -> orig_stmt).
16816 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16817 (bsi_remove): Add new argument. Remove EH information
16819 (verify_eh_throw_table_statements): New function.
16820 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16822 * tree-optimize.c (execute_free_cfg_annotations): Verify
16823 the EH throw statement table after removing annotations.
16824 * except.h (verify_eh_throw_table_statements): Prototype.
16825 * tree-flow.h (bsi_remove): Update prototype.
16826 * tree-vrp.c (remove_range_assertions): Add new argument to
16828 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16829 * tree-complex.c (expand_complex_div_wide): Likewise.
16830 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16831 * tree-tailcall.c (eliminate_tailcall): Likewise.
16832 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16833 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16834 * tree-nrv.c (tree_nrv): Likewise.
16835 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16836 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16837 (combine_blocks): Likewise.
16838 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16839 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16840 (cleanup_control_flow): Likewise.
16841 (remove_forwarder_block): Likewise.
16842 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16843 * tree-sra.c (sra_replace): Likewise.
16844 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16845 (forward_propagate_single_use_vars): Likewise.
16846 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16847 * tree-inline.c (expand_call_inline): Likewise.
16848 * tree-vect-transform.c (vect_transform_loop): Likewise.
16849 * tree-outof-ssa.c (rewrite_trees): Likewise.
16850 * tree-cfg.c (make_goto_expr_edges): Likewise.
16851 (cleanup_dead_labels): Likewise.
16852 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16853 (bsi_move_before, bsi_move_after): Likewise.
16854 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16855 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16857 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16860 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16862 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16863 on non gimple variables. Also add checks at the top for decls and
16865 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16867 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16868 and IMAGPART_EXPR for creating MUST_DEFs.
16869 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16870 and NAME_MEMORY_TAG separately from the DECLs.
16872 2006-01-06 Richard Guenther <rguenther@suse.de>
16874 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16875 annotation, if necessary.
16876 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16877 redundant calls to update_stmt.
16878 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16881 2006-01-05 Richard Henderson <rth@redhat.com>
16883 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16885 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16887 * c-typeck.c: Update copyright date.
16889 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16891 * c-typeck.c (build_c_cast): Always warn when casting
16892 from a pointer to an integer of different size, even if
16893 the node was constant.
16895 2006-01-05 Richard Guenther <rguenther@suse.de>
16897 PR tree-optimization/22555
16898 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16899 if one structure field is an array.
16900 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16901 operands even if we found a subvar, but ignore VOPs in this
16903 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16905 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16907 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16909 PR middle-end/24998
16910 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16912 2006-01-05 Richard Guenther <rguenther@suse.de>
16913 Diego Novillo <dnovillo@redhat.com>
16915 * tree-pass.h (TODO_remove_unused_locals): Define.
16916 * gimple-low.c (expand_var_p, remove_useless_vars,
16917 pass_remove_useless_vars): Remove. Update all users.
16918 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16919 (remove_unused_locals): New function.
16920 * tree-flow.h (remove_unused_locals): Declare.
16921 * passes.c (execute_todo): Call remove_unused_locals if
16922 TODO_remove_unused_locals is set.
16923 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16924 * tree-ssa-dce.c (pass_dce): Likewise.
16925 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16927 2006-01-05 Richard Guenther <rguenther@suse.de>
16929 * tree-flow.h (struct fieldoff): Decompose field to
16930 type, size and decl.
16931 * tree-ssa-alias.c (create_sft): Take type as parameter.
16932 (create_overlap_variables_for): Store type, size and decl
16933 in the fieldoff structure.
16934 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16935 of struct fieldoff.
16936 (push_fields_onto_fieldstack): Likewise.
16937 (create_variable_info_for): Likewise. Use offset for the
16938 SFT name if the decl is not available.
16940 2006-01-04 Paul Brook <paul@codesourcery.com>
16942 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16944 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16946 * lambda-code.c (can_put_in_inner_loop): Relax
16948 (can_put_after_inner_loop): New function.
16949 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16950 (perfect_nestify): Change to make copies and modify uses.
16952 2006-01-04 Richard Henderson <rth@redhat.com>
16954 Merge from gomp branch:
16955 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16956 via integer constant.
16957 (pragma_lex): Remove.
16958 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16959 rather than parsing it.
16960 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16961 handle_pragma_extern_prefix): Add %< %> quotes.
16962 (registered_pragmas): New.
16963 (c_register_pragma_1): New.
16964 (c_register_pragma): Use it.
16965 (c_register_pragma_with_expansion): Likewise.
16966 (c_invoke_pragma_handler): New.
16967 (init_pragma): Use cpp_register_deferred_pragma directly for
16969 * c-pragma.h (enum pragma_kind): New.
16970 (pragma_handler): New.
16971 (c_invoke_pragma_handler): Declare.
16972 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16974 * c-common.h (c_common_pch_pragma): Update decl.
16975 * Makefile.in (c-parser.o): Update dependencies.
16976 (GTFILES): Add c-pragma.h.
16977 * c-parser.c (struct c_token): Add pragma_kind.
16978 (struct c_parser): Add in_pragma.
16979 (c_lex_one_token): Always initialize keyword and pragma_kind.
16980 Extract data for CPP_PRAGMA.
16981 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16982 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16983 Don't allow CPP_PRAGMA_EOL if in_pragma.
16984 (c_parser_consume_pragma): New.
16985 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16986 (c_parser_skip_to_end_of_parameter): Likewise.
16987 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16988 (c_parser_skip_to_pragma_eol): New.
16989 (c_parser_external_declaration): Handle CPP_PRAGMA.
16990 (c_parser_compound_statement_nostart): Likewise.
16991 (c_parser_statement_after_labels): Likewise.
16992 (c_parser_pragma): New.
16993 (pragma_lex): Likewise.
16994 (c_parser_pragma_pch_preprocess): New.
16995 (c_parser_new): Merge into ...
16996 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16998 2006-01-04 Jeff Law <law@redhat.com>
17001 * tree-cfg.c (bsi_replace): Remove the original statement
17002 from the EH throw statement table.
17004 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17006 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17007 make the prototype extern "C" and add throw ().
17010 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17011 and pos non-negative and pos + len <= 32.
17012 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17013 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17014 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17017 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17018 as well as sizes not multiple of component size.
17021 * function.c (instantiate_expr): New function.
17022 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17023 walk its DECL_VALUE_EXPR with instantiate_expr.
17025 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17026 DW_OP_deref{,_size} if address isn't going to be added.
17028 2006-01-04 Ben Elliston <bje@au.ibm.com>
17030 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17031 * config/fp-bit.c: Likewise.
17033 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17035 * dominance.c: Add comment about why we use DFS numbering
17038 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17039 Richard Henderson <rth@redhat.com>
17041 Merge from gomp-branch:
17042 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17043 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17045 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17047 PR rtl-optimization/25578
17048 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17049 pass a parameter to simplify_shift_const if changing ASHIFTRT
17052 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17054 * builtins.c (get_builtin_sync_mem): New function.
17055 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17056 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17057 Call get_builtin_sync_mem to generate mem rtx.
17059 2006-01-03 Richard Guenther <rguenther@suse.de>
17062 * stmt.c (add_case_node): Make sure to clear overflow flags
17065 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17067 Merge from gomp-branch.
17068 * config/sparc/sync.md: New file.
17069 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17070 UNSPECV_LDSTUB): New constants.
17071 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17072 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17073 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17076 2006-01-03 Roger Sayle <roger@eyesopen.com>
17078 * combine.c (reg_subword_p): New predicate to test whether the
17079 destination of a set refers to a subword/piece of a register.
17080 (try_combine): Generalize the code to merge the setting of a
17081 pseudo to a constant followed by a set of a subword of that
17082 register to a constant.
17084 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17086 * basic-block.h (control_flow_graph): Change the type of
17087 x_label_to_block_map to VEC(basic_block,gc) *.
17088 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17089 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17091 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17092 VEC(basic_block,heap) *.
17093 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17094 ssa_prop_fini): Adjust the uses of cfg_blocks.
17096 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17098 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17100 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17101 hashing trees instead of a pointer hash.
17102 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17103 compare for MEM_EXPR.
17105 PR rtl-optimization/25130
17106 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17107 when comparing MEMs for GCSE
17109 2006-01-03 Ben Elliston <bje@au.ibm.com>
17111 * targhooks.h (default_decimal_float_supported_p): Declare.
17112 * targhooks.c (default_decimal_float_supported_p): Define.
17113 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17114 `default_decimal_float_supported_p'.
17115 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17117 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17119 * combine.c (apply_distributive_law <SUBREG>): Check
17120 TRULY_NOOP_TRUNCATION.
17122 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17124 * dwarf2out.c (have_switched_text_section): Delete.
17125 (have_multiple_function_sections): New.
17126 (have_location_lists): Make 'bool'.
17127 (add_AT_loc_list): Use 'true' not '1'.
17128 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17129 (output_loc_list): Use have_multiple_function_sections.
17130 (output_ranges): Likewise.
17131 (dwarf2out_begin_function): Set have_multiple_function_sections if
17133 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17134 Check function_section rather than DECL_SECTION_NAME.
17135 (dwarf2out_finish): Use have_multiple_function_sections.
17136 Don't clear have_location_lists.
17138 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17139 Jan Hubicka <jh@suse.cz>
17141 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17142 case of conditional jump jumping to the next instruction.
17143 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17144 cases of conditional jump jumping to the next instruction.
17146 2006-01-02 Jan Hubicka <jh@suse.cz>
17148 * i386.c (*_cost): Add COSTS_N_INSNS.
17149 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17151 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17154 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17156 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17158 * config/arm/arm.c (all_fpus): Fix comment typo.
17159 * config/darwin.c: Likewise.
17160 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17161 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17162 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17164 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17166 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17167 (rs6000_split_compare_and_swapqhi): New.
17168 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17169 (sync_compare_and_swapqhi_internal): New.
17170 * config/rs6000/rs6000-protos.h: Declare.