1 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3 * dwarf2out.c (file_name_acquire): Correct typo.
5 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
7 * tree.h (tree_value_handle): Remove struct value_set declaration.
8 Change value_set to bitmap_set.
9 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
10 * tree-vn.c (get_value_handle): Made inline and moved to
12 * tree-flow-inline.h: (has_stmt_ann): New function.
13 * tree-ssa-pre.c (expressions): New variable.
14 (next_expression_id): Ditto.
15 (alloc_expression_id): New function.
16 (struct value_set): Remove.
17 (get_expression_id): New function.
18 (get_or_alloc_expression_id): Ditto.
19 (expression_for_id): Ditto.
20 (clear_expression_ids): Ditto.
21 (FOR_EACH_EXPR_ID_IN_SET): New macro.
22 (bb_value_sets): Renamed to bb_bitmap_sets.
23 All value sets replaced with bitmap_sets.
25 (BB_VISITED): New macro.
26 (postorder): New variable.
27 (add_to_value): Removed.
28 (value_exists_in_set_bitmap): Ditto.
29 (value_insert_into_set_bitmap): Ditto.
33 (set_contains_value): Ditto.
34 (insert_into_set): Ditto.
37 (bitmap_set_subtract_from_value_set): Ditto.
38 (value_insert_into_set): Ditto.
39 (print_value_set): Ditto.
40 (debug_value_set): Ditto.
41 (constant_expr_p): New function.
42 (bitmap_remove_from_set): Ditto.
43 (bitmap_insert_into_set): Ditto.
44 (bitmap_set_free): Ditto.
46 (sorted_array_from_bitmap_set): Ditto.
47 (bitmap_set_subtract): Ditto.
48 (bitmap_set_equal): Ditto.
49 (debug_bitmap_set): Ditto.
50 (find_leader_in_sets): Ditto.
51 (bitmap_set_replace_value): Modify for bitmapped sets.
52 (phi_translate): Ditto.
53 (phi_translate_set): Ditto.
54 (bitmap_find_leader): Ditto.
55 (valid_in_sets): Ditto.
56 (union_contains_value): Ditto.
58 (compute_antic_aux): Ditto. Mark changed blocks.
59 (compute_antic): Ditto. Iterate in postorder and only over
61 (compute_rvuse_and_antic_safe): Reuse postorder.
62 (create_component_ref_by_pieces): Modify for bitmapped sets.
63 (find_or_generate_expression): Ditto.
64 (create_expression_by_pieces): Ditto.
65 (insert_into_preds_of_block): Ditto.
66 (changed_blocks): New variable.
67 (do_regular_insertion): Broken out from insert_aux.
68 (insert_aux): Modified for bitmapped sets.
69 (find_existing_value_expr): New function.
70 (create_value_expr_from): Use it.
71 (insert_extra_phis): Removed.
72 (print_bitmap_set): Renamed from bitmap_print_value_set.
73 (compute_avail): Handle RETURN_EXPR.
74 (init_pre): Modify for bitmapped sets.
75 * tree-flow.h (has_stmt_ann): New function.
77 2006-10-29 Roger Sayle <roger@eyesopen.com>
79 * builtins.c (fold_builtin_floor): Check for the availability of
80 the C99 trunc function before transforming floor into trunc.
82 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
84 * builtins.c (fold_builtin_hypot): Rearrange recursive
85 transformation before others, and also do ABS_EXPR. When
86 necessary, check flag_unsafe_math_optimizations. When necessary,
89 2006-10-29 Roger Sayle <roger@eyesopen.com>
91 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
92 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
93 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
94 Fold -X eq/ne -Y as X eq/ne Y.
96 2006-10-29 Richard Sandiford <richard@codesourcery.com>
98 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
99 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
100 rather than GENERATE_MULT3_SI in the various define_peephole2s.
101 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
102 Use an inclusive test for "mult" rather than "mul".
103 (rotr<mode>3): Depend on ISA_HAS_ROR.
104 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
106 (GENERATE_MULT3_DI): Delete.
107 (ISA_HAS_64BIT_REGS): Use consistent formatting.
108 (ISA_HAS_MUL3): New macro.
109 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
110 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
111 (ISA_HAS_CLZ_CLO): Likewise.
112 (ISA_HAS_DCLZ_DCLO): Delete.
113 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
114 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
115 the VR4120 and VR4130.
116 (ISA_HAS_MACCHI): Use consistent formatting.
117 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
118 (ISA_HAS_ROR): ...this new macro.
119 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
120 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
121 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
123 2006-10-29 Roger Sayle <roger@eyesopen.com>
125 PR tree-optimization/15458
126 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
129 2006-10-29 Richard Guenther <rguenther@suse.de>
131 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
132 (ix86_expand_truncdf_32): Likewise.
133 * config/i386/i386.c (ix86_expand_trunc): New function expanding
134 trunc inline for SSE math and -fno-trapping-math and if not
136 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
137 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
138 for expanding btrunc inline for SSE math.
140 2006-10-29 Joseph Myers <joseph@codesourcery.com>
142 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
143 Handle tuning for bi-arch i[34567]86-*-linux* like that for
144 i[34567]86-*-solaris2.1[0-9]*.
145 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
146 Define conditionally depending on TARGET_64BIT_DEFAULT.
147 (SPEC_32, SPEC_64): Define.
148 (LINK_SPEC): Use them.
149 * doc/install.texi (--enable-targets=all): Document for x86-linux.
151 2006-10-29 Richard Guenther <rguenther@suse.de>
153 * config/i386/i386-protos.h (ix86_expand_round): Declare.
154 (ix86_expand_rounddf_32): Likewise.
155 * config/i386/i386.c (ix86_expand_round): New function expanding
156 round inline for SSE math and -fno-trapping-math and if not
158 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
159 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
160 round via ix86_expand_round.
162 2006-10-29 Richard Guenther <rguenther@suse.de>
164 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
165 (ix86_expand_floorceildf_32): Likewise.
166 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
167 static helper function.
168 (ix86_expand_floorceil): Expander for floor and ceil to SSE
170 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
171 * config/i386/i386.md (floordf2): Adjust to enable floor
172 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
173 -fno-trapping-math is enabled and if not optimizing for size.
174 (floorsf2, ceildf2, ceilsf2): Likewise.
175 * config/i386/sse.md (sse_maskcmpsf3): New insn.
176 (sse2_maskcmpdf3): Likewise.
178 2006-10-29 Richard Guenther <rguenther@suse.de>
180 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
181 rint in case -fno-trapping-math is enabled.
182 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
183 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
184 (ix86_expand_sse_fabs): Likewise.
185 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
186 * config/i386/i386.md (rintdf2): Enable for SSE math if
187 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
190 2006-10-29 Richard Guenther <rguenther@suse.de>
192 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
193 to conversion optabs.
194 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
196 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
197 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
198 (lfloor_optab, lceil_optab): Adjust defines.
199 * builtins.c (expand_builtin_int_roundingfn): Adjust for
200 lfloor and lceil optabs now being conversion optabs.
201 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
202 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
203 New static helper function.
204 (ix86_expand_lfloorceil): New function to expand lfloor and
206 * config/i386/i386.md (lfloor<mode>2): Split into ...
207 (lfloorxf<mode>2): ... x87 variant
208 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
209 using ix86_expand_lfloorceil.
210 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
212 * doc/md.texi (lfloorMN, lceilMN): Document.
214 2006-10-29 Richard Sandiford <richard@codesourcery.com>
216 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
217 -mno-shared assembler option on mips targets.
218 * configure, config.in: Regenerate.
219 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
220 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
221 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
223 2006-10-29 Richard Sandiford <richard@codesourcery.com>
225 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
226 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
228 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
230 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
231 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
234 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
237 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
238 (fold_builtin_pow): Evaluate constant arguments at compile-time
240 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
241 (do_mpfr_ckconv): New helper function.
242 (do_mpfr_arg1): Use do_mpfr_ckconv.
245 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
248 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
249 (-fdump-rtl-sched): Rename to ..
250 (-fdump-rtl-sched1): here. Also fix file extension number.
252 2006-10-28 Richard Guenther <rguenther@suse.de>
254 * fold-const.c (maybe_canonicalize_comparison): Fix code
257 2006-10-28 Uros Bizjak <uros@kss-loka.si>
259 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
260 (NON_QI_REG_P): Use IN_RANGE.
261 (REX_INT_REGNO_P): Use IN_RANGE.
262 (FP_REGNO_P): Use IN_RANGE.
263 (SSE_REGNO_P): Use IN_RANGE.
264 (REX_SSE_REGNO_P): Use IN_RANGE.
265 (MMX_REGNO_P): Use IN_RANGE.
266 (STACK_REGNO_P): New macro.
267 (STACK_REG_P): Use STACK_REGNO_P.
268 (NON_STACK_REG_P): Use STACK_REGNO_P.
269 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
270 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
271 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
272 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
273 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
275 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
277 * except.h (output_function_exception_table): Add 'const char*' param.
278 * except.c (switch_to_exception_section): Add 'const char*' param.
279 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
280 and flag_function_sections is set, use a function-specific section.
281 (output_function_exception_table): Add 'const char*' param.
282 Adjust call to switch_to_exception_section.
283 * final.c (rest_of_handle_final): Adjust calls to
284 output_function_exception_table.
285 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
286 * config.in: Regenerate.
287 * configure: Likewise.
289 2006-10-28 Richard Guenther <rguenther@suse.de>
292 * fold-const.c (maybe_canonicalize_comparison_1): Helper
293 for maybe_canonicalize_comparison.
294 (maybe_canonicalize_comparison): New function for canonicalizing
296 (fold_comparison): Call it to canonicalize comparisons with
299 2006-10-28 Richard Guenther <rguenther@suse.de>
302 * builtins.c (expand_builtin_int_roundingfn_2): Expand
303 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
304 (expand_builtin): Adjust likewise.
305 * genopinit.c (optabs[]): Add lround optab.
306 * optabs.c (init_optabs): Initialize lround_optab.
307 * optabs.h (enum convert_optab_index): Add COI_lround.
308 (lround_optab): Define.
309 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
310 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
312 (ix86_expand_lround): New function.
313 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
315 * doc/md.texi (lroundMN2): Document.
317 2006-10-28 Uros Bizjak <uros@kss-loka.si>
320 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
321 argument to HOST_WIDE_INT. Update function prototype.
322 (round_frame_size): Change return type to HOST_WIDE_INT. Change
323 "size" argument to HOST_WIDE_INT. Update function prototype.
325 2006-10-28 Uros Bizjak <uros@kss-loka.si>
327 * config/i386/i386.c (output_387_ffreep): Create output from a
328 template string for !HAVE_AS_IX86_FFREEP.
330 2006-10-27 Eric Christopher <echristo@apple.com>
332 * config/darwin.c: Fix formatting and grammar.
334 2006-10-27 Jan Hubicka <jh@suse.cz>
336 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
337 to be thrown away soon when IGNORE is set.
338 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
339 indicating when return value shall not be computed.
340 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
342 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
344 * config/i386/i386.h (TARGET_GEODE):
345 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
346 (TARGET_CPU_DEFAULT_geode): New macro.
347 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
348 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
349 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
350 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
351 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
353 (TARGET_CPU_DEFAULT_NAMES): Add geode.
354 (processor_type): Add PROCESSOR_GEODE.
356 * config/i386/i386.md: Include geode.md.
359 * config/i386/i386.c (geode_cost): New initialized global
361 (m_GEODE, m_K6_GEODE): New macros.
362 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
363 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
364 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
365 x86_schedule): Use m_K6_GEODE instead of m_K6.
366 (x86_movx, x86_cmove): Set up m_GEODE.
367 (x86_integer_DFmode_moves): Clear m_GEODE.
368 (processor_target_table): Add entry for geode.
369 (processor_alias_table): Ditto.
371 * config/i386/geode.md: New file.
373 * doc/invoke.texi: Add entry about geode processor.
375 2006-10-27 Mike Stump <mrs@apple.com>
377 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
378 __DYNAMIC__ from here back to ...
379 * config/darwin.h (CPP_SPEC): ... here.
381 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
382 Nathan Sidwell <nathan@codesourcery.com>
384 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
385 when choosing the minimum heapsize.
387 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
389 * gcc/unwind-dw2.h: Move cfa-related variables into
390 struct frame_state_reg_info to ensure that the CFA is properly
391 handled when executing DW_CFA_{remember,restore}_state.
392 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
393 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
394 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
395 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
396 gcc/config/rs6000/linux-unwind.h,
397 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
398 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
399 Modify to use new cfa_* fields.
401 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
403 * config/s390/s390.c (s390_init_frame_layout): Check positive
406 2006-10-26 Ben Elliston <bje@au.ibm.com>
408 * gimplify.c (get_name): Remove extraneous break.
409 (gimplify_omp_for): Initialise ret with GS_OK.
411 2006-10-25 Steve Ellcey <sje@cup.hp.com>
413 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
414 Add unix98.o to link line.
416 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
420 Calculate compile-time constants using MPFR.
421 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
422 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
424 2006-10-25 Bob Wilson <bob.wilson@acm.org>
426 * config/xtensa/lib2funcs.S: Use C-style comments.
428 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
430 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
431 (file_table_relative_p): Likewise.
432 (dwarf2out_finish): Likewise.
433 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
435 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
437 * tree-ssa-structalias.c (intra_create_variable_infos):
438 Don't recreate nonlocal_all if it already exists.
440 2006-10-25 Richard Guenther <rguenther@suse.de>
443 * optabs.h (enum optab_index): Remove OTI_lrint.
444 (enum convert_optab_index): Add COI_lrint.
445 (lrint_optab): Adjust.
446 (expand_sfix_optab): Declare.
447 * optabs.c (expand_sfix_optab): New function.
448 (init_optabs): Init lrint_optab as conversion optab.
449 * genopinit.c (lrint_optab): Change to a conversion optab.
450 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
451 expansion via conversion optab.
452 * config/i386/i386.md (*fistdi2_1): Remove
453 flag_unsafe_math_optimizations guard.
454 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
455 fist<mode>2_with_temp): Likewise.
456 (lrint<mode>2): Split into...
457 (lrintxf<mode>2): ... x87 part
458 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
459 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
460 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
461 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
462 * doc/md.texi (lrintMN2): Document.
464 2006-10-25 Uros Bizjak <uros@kss-loka.si>
467 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
468 Use inc and dec instructions for TARGET_USE_INCDEC.
469 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
470 ("sync_double_compare_and_swap<mode>"): Likewise.
471 ("*sync_double_compare_and_swapdi_pic"): Likewise.
472 ("*sync_compare_and_swap_cc<mode>"): Likewise.
473 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
474 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
475 ("sync_old_add<mode>"): Likewise.
476 ("sync_lock_test_and_set<mode>"): Likewise.
477 ("sync_lock_test_and_set<mode>"): Likewise.
478 ("sync_add<mode>"): Likewise.
479 ("sync_sub<mode>"): Likewise.
480 ("sync_ior<mode>"): Likewise.
481 ("sync_and<mode>"): Likewise.
482 ("sync_xor<mode>"): Likewise.
484 2006-10-25 Uros Bizjak <uros@kss-loka.si>
486 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
487 (remainder_optab): Define corresponding macro.
488 (drem_optab): Remove.
489 * optabs.c (init_optabs): Initialize remainder_optab. Remove
490 drem_optab initialization.
491 * genopinit.c (optabs): Implement remainder_optab using
492 remainder?f3 patterns. Remove drem_optab.
493 * builtins.c (expand_builtin_mathfn_2): Handle
494 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
495 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
496 expand_builtin_mathfn_2.
498 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
499 depend on flag_unsafe_math_optimizations.
501 * config/i386/i386.md ("remaindersf3", "remainderdf3")
502 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
503 Do not depend on flag_unsafe_math_optimizations. Use
504 truncxf?f expander instead of truncxf?f_i387_noop.
506 ("fpremxf4", "fprem1xf4"): Do not depend on
507 flag_unsafe_math_optimizations.
508 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
509 flag_unsafe_math_optimizations. Use truncxf?f expander
510 instead of truncxf?f_i387_noop.
512 * doc/md.texi (fmod, remainder): Document standard named pattern.
514 2006-10-24 Richard Sandiford <richard@codesourcery.com>
515 David Daney <ddaney@avtrex.com>
518 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
520 2006-10-25 Ben Elliston <bje@au.ibm.com>
522 * doc/extend.texi (Variable Attributes): Typo fix.
524 2006-10-24 Uros Bizjak <uros@kss-loka.si>
526 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
527 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
528 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
529 (FRAME_POINTER_REGNUM): Update register number to 21.
530 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
531 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
533 * config/i386/i386.c (regclass_map): Add fpcr entry.
534 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
536 (print_reg): Assert REGNO (x) != FPCR_REG.
538 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
539 (DIRFLAG_REG): Renumber.
540 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
541 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
542 (sse_prologue_save, *sse_prologue_save_insn): Renumber
543 hardcoded SSE register numbers.
545 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
546 hardcoded MMX register numbers.
548 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
551 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
552 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
554 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
555 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
556 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
557 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
559 2006-10-24 Richard Guenther <rguenther@suse.de>
562 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
563 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
564 for deciding optimizations in consistency with fold-const.c
565 (fold_builtin_unordered_cmp): Likewise.
567 2006-10-24 Richard Guenther <rguenther@suse.de>
569 * builtins.c (fold_builtin_floor): Fold floor (x) where
570 x is nonnegative to trunc (x).
571 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
572 nonnegative to FIX_TRUNC_EXPR.
574 2006-10-24 Richard Guenther <rguenther@suse.de>
576 PR tree-optimization/29567
577 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
578 for TRUTH_NOT_EXPR. Clarify comments.
580 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
583 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
584 at compile-time using MPFR. Change parameter VALUE to FUNC,
586 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
587 for overflow and underflow at all times and avoid folding in
590 2006-10-24 Ben Elliston <bje@au.ibm.com>
592 * reload1.c: Formatting fixes.
594 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
596 PR tree-optimization/14784
597 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
598 * tree-ssa-structalias.c (get_constraint_for,
599 intra_create_variable_infos): Set is_heapvar.
600 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
601 non-heapvar pointer variables specially.
603 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
606 * builtins.c (fold_builtin_sin, fold_builtin_cos,
607 fold_builtin_tan): Fold all constant arguments. Take a "type"
608 argument as necessary.
610 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
612 2006-10-23 Bob Wilson <bob.wilson@acm.org>
614 * config/xtensa/lib1funcs.asm: Use C-style comments.
616 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
618 * tree.c (local_define_builtin): Replace calls to
619 lang_hooks.builtin_function with add_builtin_function.
620 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
622 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
624 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
625 common code to add_builtin_function.
626 * langhooks.c (add_builtin_function): New function.
627 (lhd_builtin_function): New function.
628 * langhooks.h (struct lang_hooks): Change the signature of
630 (add_builtin_function): New function.
631 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
632 calls to lang_hooks.builtin_function with add_builtin_function.
633 * c-common.c (decl_builtin_1): Replace calls to
634 lang_hooks.builtin_function with add_builtin_function.
635 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
636 lang_hooks.builtin_function with add_builtin_function.
637 * config/frv/frv.c (def_builtin): Replace calls to
638 lang_hooks.builtin_function with add_builtin_function.
639 * config/s390/s390.c (s390_init_builtins): Replace calls to
640 lang_hooks.builtin_function with add_builtin_function.
641 * config/sparc/sparc.c (def_builtin): Replace calls to
642 lang_hooks.builtin_function with add_builtin_function.
643 * config/i386/i386.c (def_builtin): Replace calls to
644 lang_hooks.builtin_function with add_builtin_function.
645 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
646 lang_hooks.builtin_function with add_builtin_function.
647 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
648 lang_hooks.builtin_function with add_builtin_function.
649 * config/stormy16/stormy16.c (xstormy16_init_builtins):
650 Replace calls to lang_hooks.builtin_function with
651 add_builtin_function.
652 * config/iq2000/iq2000.c (def_builtin):
653 Replace calls to lang_hooks.builtin_function with
654 add_builtin_function.
655 * config/ia64/ia64.c (def_builtin): Replace calls to
656 lang_hooks.builtin_function with add_builtin_function.
657 * config/rs6000/rs6000.c (def_builtin): Replace calls to
658 lang_hooks.builtin_function with add_builtin_function.
659 (altivec_init_builtins): Replace calls to
660 lang_hooks.builtin_function with add_builtin_function.
661 * config/arm/arm.c (def_mbuiltin): Replace calls to
662 lang_hooks.builtin_function with add_builtin_function.
663 (arm_init_tls_builtins): Replace calls to
664 lang_hooks.builtin_function with add_builtin_function.
665 * config/mips/mips.c (mips_init_builtins): Replace calls to
666 lang_hooks.builtin_function with add_builtin_function.
667 * config/bfin/bfin.c (def_builtin): Replace calls to
668 lang_hooks.builtin_function with add_builtin_function.
669 * langhooks-def.h (lhd_builtin_function): New function.
670 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
672 2006-10-23 Jakub Jelinek <jakub@redhat.com>
674 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
675 BUILT_IN_STRNCAT_CHK.
677 2006-10-23 Jan Hubicka <jh@suse.cz>
679 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
680 don't do conversion from memmove to memcpy here.
681 (expand_builtin_bcopy, expand_builtin): Update call of
682 expand_builtin_memmove.
683 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
685 2006-10-23 Paul Brook <paul@codesourcery.com>
687 * stor-layout.c (start_record_layout): maximum_field_alignment
688 overrides STRUCTURE_SIZE_BOUNDARY.
690 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
692 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
693 nonlocal function symbols if flag_pic.
695 2006-10-23 Richard Guenther <rguenther@suse.de>
699 * builtins.c (fold_binary): Remove checks for flag_wrapv
700 and flag_trapv where negate_expr_p covers these cases.
702 2006-10-23 Richard Guenther <rguenther@suse.de>
705 * fold-const.c (fold_plusminus_mult_expr): Check exact power
706 of two on the absolute value.
707 (fold_binary): Fold x * -C to -x * C if x is easily negatable
708 and negating -C does not overflow.
710 2006-10-23 Richard Guenther <rguenther@suse.de>
713 * convert.c (convert_to_real): Fold (float)-x to -(float)x
714 only if not flag_rounding_math.
716 2006-10-22 Richard Sandiford <richard@codesourcery.com>
717 Kaz Kojima <kkojima@gcc.gnu.org>
720 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
721 SImode memory reference for the source of a movua.
722 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
723 (movua): Use an unspec instead of sign_extract. Expect the source
724 to have mode BLKmode.
725 (extv, insv): Use a BLKmode rather than SImode memory reference
726 for the source of a movua.
728 2006-10-22 Jeff Law <law@redhat.com>
729 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/15911
732 * tree-vrp.c (extract_code_and_val_from_cond): New function.
733 (register_edge_assert_for_1): Likewise.
734 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
735 (find_conditional_asserts): Adjust for new function signature.
736 (find_assert_locations): Likewise.
738 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
740 * config/i386/tmmintrin.h: Remove the duplicated content.
742 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
744 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
745 (x86_64-*-*): Likewise.
747 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
748 (override_options): Check SSSE3.
749 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
750 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
751 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
752 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
753 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
754 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
755 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
756 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
757 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
758 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
759 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
760 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
761 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
762 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
763 IX86_BUILTIN_PABSD128.
764 (bdesc_2arg): Add SSSE3.
765 (bdesc_1arg): Likewise.
766 (ix86_init_mmx_sse_builtins): Support SSSE3.
767 (ix86_expand_builtin): Likewise.
768 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
770 * config/i386/i386.md (UNSPEC_PSHUFB): New.
771 (UNSPEC_PSIGN): Likewise.
772 (UNSPEC_PALIGNR): Likewise.
773 Include mmx.md before sse.md.
775 * config/i386/i386.opt: Add -mssse3.
777 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
778 (ssse3_phaddwv4hi3): Likewise.
779 (ssse3_phadddv4si3): Likewise.
780 (ssse3_phadddv2si3): Likewise.
781 (ssse3_phaddswv8hi3): Likewise.
782 (ssse3_phaddswv4hi3): Likewise.
783 (ssse3_phsubwv8hi3): Likewise.
784 (ssse3_phsubwv4hi3): Likewise.
785 (ssse3_phsubdv4si3): Likewise.
786 (ssse3_phsubdv2si3): Likewise.
787 (ssse3_phsubswv8hi3): Likewise.
788 (ssse3_phsubswv4hi3): Likewise.
789 (ssse3_pmaddubswv8hi3): Likewise.
790 (ssse3_pmaddubswv4hi3): Likewise.
791 (ssse3_pmulhrswv8hi3): Likewise.
792 (ssse3_pmulhrswv4hi3): Likewise.
793 (ssse3_pshufbv16qi3): Likewise.
794 (ssse3_pshufbv8qi3): Likewise.
795 (ssse3_psign<mode>3): Likewise.
796 (ssse3_psign<mode>3): Likewise.
797 (ssse3_palignrti): Likewise.
798 (ssse3_palignrdi): Likewise.
799 (abs<mode>2): Likewise.
800 (abs<mode>2): Likewise.
802 * config/i386/tmmintrin.h: New file.
804 * doc/extend.texi: Document SSSE3 built-in functions.
806 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
808 2006-10-22 Ira Rosen <irar@il.ibm.com>
810 * tree-vect-transform.c (vectorizable_load): Use the type of the
811 return value of the mask_for_load builtin to create realign_load
814 2006-10-22 Richard Sandiford <richard@codesourcery.com>
816 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
819 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
821 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
822 (UNSPEC_LDDQU): This.
823 * config/i386/sse.md (sse3_lddqu): Updated.
825 2006-10-21 Richard Guenther <rguenther@suse.de>
827 * builtins.c (expand_builtin_int_roundingfn_2): New function.
828 (expand_builtin): Use it to expand lrint instead of
829 expand_builtin_mathfn.
831 2006-10-21 Uros Bizjak <uros@kss-loka.si>
834 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
835 flag_unsafe_math_optimizations is set.
837 2006-10-21 Uros Bizjak <uros@kss-loka.si>
840 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
841 patterns to use memory input operand in x87->mem->XMM
842 reload sequences. Skip transformation for TARGET_K8.
844 2006-10-21 Uros Bizjak <uros@kss-loka.si>
846 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
847 force operand1 to register if both operands are memory operands.
848 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
849 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
850 if both operands are memory operands.
851 (truncdfsf2): Do not force operand1 to register if both operands
854 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
856 * Makefile.in (LIBS): Add $(GMPLIBS).
857 * doc/install.texi: Update GMP and MPFR requirements.
858 * doc/sourcebuild.texi (need_gmp): Delete.
860 2006-10-21 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/3511
863 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
864 got new invariant arguments during PHI translation.
866 2006-10-21 Richard Guenther <rguenther@suse.de>
869 * fold-const.c (fold_comparison): Fold signed comparisons
870 of the form X +- C1 CMP Y +- C2.
872 2006-10-21 Richard Guenther <rguenther@suse.de>
875 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
876 if flag_unsafe_math_optimizations is specified. We have
877 flag_finite_math_only for that.
878 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
879 or flag_unsafe_math_optimizations.
881 2006-10-21 Richard Guenther <rguenther@suse.de>
883 * builtins.c (fold_builtin_classify): Fix typo.
885 2006-10-21 Richard Guenther <rguenther@suse.de>
888 * simplify-rtx.c (simplify_const_relational_operation):
889 Do not constant-fold ORDERED and UNORDERED for
890 flag_unsafe_math_optimizations but only we do not need to
891 honor NaNs for the given mode.
893 2006-10-21 Richard Guenther <rguenther@suse.de>
896 * config/i386/i386.c (classify_argument): Remove redundant
897 walking of the BINFOs.
898 (contains_128bit_aligned_vector_p): Likewise.
900 2006-10-20 Mark Mitchell <mark@codesourcery.com>
902 * BASE-VER: Set to 4.3.0.
904 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
906 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
907 (tree_decl_with_vis): Remove artificial_pta_var flag.
908 * tree-flow.h (referenced_var_check_and_insert): Expose.
909 (nonlocal_all): New prototype.
910 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
911 (nonlocal_all): Make global.
912 (nonlocal_lookup): Remove.
913 (nonlocal_insert): Ditto.
914 (create_nonlocal_var): Do not call nonlocal_insert.
915 (get_nonlocal_id_for_type): Remove.
916 (find_global_initializers): Mark new vars we find for renaming.
917 (intra_create_variable_infos): Only create one nonlocal.
918 (expand_nonlocal_solutions): Remove.
919 (compute_points_to_sets): Don't call it.
920 (ipa_pta_execute): Ditto.
921 (init_alias_heapvars): Don't create nonlocal_for_type.
922 (delete_alias_heapvars): Don't remove it.
923 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
926 2006-10-19 Brooks Moses <bmoses@stanford.edu>
928 * doc/install.texi (Downloading GCC): Clarify mention of
929 Fortran in the "full distribution" description.
931 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
933 Fix PR tree-optimization/28778
934 Fix PR tree-optimization/29156
935 Fix PR tree-optimization/29415
936 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
937 (tree_decl_with_vis): Add artificial_pta_var flag.
938 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
940 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
941 (nonlocal_all): Ditto.
942 (struct variable_info): Add directly_dereferenced member.
943 (var_escaped_vars): New variable.
944 (escaped_vars_tree): Ditto.
945 (escaped_vars_id): Ditto.
946 (nonlocal_vars_id): Ditto.
947 (new_var_info): Set directly_dereferenced.
948 (graph_size): New variable
949 (build_constraint_graph): Use graph_size.
950 (solve_graph): Don't process constraints that cannot change the
951 solution, don't try to propagate an empty solution to our
953 (process_constraint): Set directly_dereferenced.
954 (could_have_pointers): New function.
955 (get_constraint_for_component_ref): Don't process STRING_CST.
956 (nonlocal_lookup): New function.
957 (nonlocal_insert): Ditto.
958 (create_nonlocal_var): Ditto.
959 (get_nonlocal_id_for_type): Ditto.
960 (get_constraint_for): Allow results vector to be empty in the case
962 Handle results of calls properly.
963 (update_alias_info): Update alias info stats on number and type of
965 (find_func_aliases): Use could_have_pointers.
966 (make_constraint_from_escaped): Renamed from
967 make_constraint_to_anything, and changed to make constraints from
969 (make_constraint_to_escaped): New function.
970 (find_global_initializers): Ditto.
971 (create_variable_info_for): Make constraint from escaped to any
972 global variable, and from any global variable to the set of
974 (intra_create_variable_infos): Deal with escaped instead of
975 pointing to anything.
976 (set_uids_in_ptset): Do type pruning on directly dereferenced
978 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
979 (init_base_vars): Fix comment, and initialize escaped_vars.
980 (need_to_solve): Removed.
981 (find_escape_constraints): New function.
982 (expand_nonlocal_solutions): Ditto.
983 (compute_points_to_sets): Call find_escape_constraints and
984 expand_nonlocal_solutions.
985 (delete_points_to_sets): Don't fall off the end of the graph.
986 (init_alias_heapvars): Initialize nonlocal_for_type and
988 (delete_alias_heapvars): Free nonlocal_for_type and null out
991 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
993 * fold-const.c (add_double): Rename to add_double_with_sign.
994 Add 'unsigned_p' parameter and take it into account for the overflow.
995 (mul_double): Rename to mul_double_with_sign.
996 Add 'unsigned_p' parameter and take it into account for the overflow.
997 (fold_div_compare): Call add_double_with_sign instead of add_double
998 and mul_double_with_sign instead of mul_double, passing them the
999 unsignedness of the type.
1000 * tree.h (add_double): Macroize.
1001 (add_double_with_sign): New prototype.
1002 (mul_double): Macroize.
1003 (mul_double_with_sign): New prototype.
1005 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1007 * config/score/crti.asm: New file.
1008 * config/score/crtn.asm: New file.
1009 * config/score/elf.h: New file.
1010 * config/score/mac.md: New file.
1011 * config/score/misc.md: New file.
1012 * config/score/mul-div.S: New file.
1013 * config/score/predicates.md: New file.
1014 * config/score/score7.md: New file.
1015 * config/score/score.c: New file.
1016 * config/score/score-conv.h: New file.
1017 * config/score/score.h: New file.
1018 * config/score/score.md: New file.
1019 * config/score/score-mdaux.c: New file.
1020 * config/score/score-mdaux.h: New file.
1021 * config/score/score-modes.def: New file.
1022 * config/score/score.opt: New file.
1023 * config/score/score-protos.h: New file.
1024 * config/score/score-version.h: New file.
1025 * config/score/t-score-elf: New file.
1026 * config.gcc: Add score*-*-* configurations(Update before).
1027 * doc/invoke.texi (Score Options): New section.
1028 * doc/md.texi (Score family): New section to document constraints.
1030 2006-10-19 Nick Clifton <nickc@redhat.com>
1032 * config/arm/arm.c: Fix spelling typo.
1034 2006-10-18 Tom Tromey <tromey@redhat.com>
1036 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1038 2006-10-18 Jan Hubicka <jh@suse.cz>
1041 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1044 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1046 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1047 TSI_SAME_STMT, since that's the desired entity.
1049 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1051 * config/s390/contraints.md: New file.
1052 * config/s390/s390-protos.h (s390_mem_constraint,
1053 s390_O_constraint_str, s390_N_constraint_str,
1054 s390_float_const_zero_p): Function prototypes added.
1055 * config/s390/s390.c (s390_extra_constraint_str,
1056 s390_const_double_ok_for_constraint_p,
1057 s390_const_ok_for_constraint_p): Functions removed.
1058 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1059 s390_float_const_zero_p): New functions.
1060 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1061 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1062 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1063 Macro definitions removed.
1064 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1065 s390_extra_constraint_str): Functions removed.
1067 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1068 Richard Sandiford <richard@codesourcery.com>
1071 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1072 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1074 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1076 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1077 (DWARF2_FRAME_REG_OUT): Likewise.
1078 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1079 (DWARF2_FRAME_REG_OUT): Likewise.
1081 2006-10-17 Paul Brook <paul@codesourcery.com>
1083 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1085 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1087 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1088 Standardize on "GNU Fortran" as the official name of the Fortran
1091 2006-10-16 Mike Stump <mrs@apple.com>
1093 * doc/invoke.texi (Darwin Options): Document -mkernel.
1094 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1096 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1097 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1098 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1099 (OS_MISSING_ALTIVEC): Add.
1100 * config/i386/i386.c (override_options): Add
1101 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1102 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1103 -mkernel, -static or -mdynamic-no-pic is given.
1104 (C_COMMON_OVERRIDE_OPTIONS): Add.
1105 * config/darwin.opt (fapple-kext): Add.
1107 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1108 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1110 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1111 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1112 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1113 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1114 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1115 (flag_mkernel): Add.
1116 (flag_apple_kext): Add.
1117 (TARGET_KEXTABI): Add.
1118 * config/darwin.c (darwin_handle_kext_attribute): Add.
1119 (DARWIN_VTABLE_P): Add.
1120 (darwin_binds_local_p): Add partial support for rebinding vtables
1122 (darwin_kextabi_p): Add.
1123 (darwin_override_options): Add.
1124 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1125 (darwin_kextabi_p): Add.
1126 (darwin_override_options): Add.
1127 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1128 __DYNAMIC__ and __STATIC__ here.
1130 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1132 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1133 Added mention of "make pdf" target, and Texinfo requirements for
1136 2006-10-16 DJ Delorie <dj@redhat.com>
1138 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1139 into the GOT in case we need a subreg of the address.
1141 2006-10-16 Richard Guenther <rguenther@suse.de>
1144 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1145 SSE builtin documentation. Document SSE2 builtins.
1147 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1149 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1150 symbol in the output file for non-shared links when -nostdlib or
1151 -nodefaultlibs isn't specified.
1153 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1154 posix thread support.
1156 2006-10-15 Jan Hubicka <jh@suse.cz>
1159 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1160 declared always_inline even when not inlining.
1162 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1163 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1164 Andrew Pinski <pinskia@gmail.com>
1167 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1169 2006-10-15 Jan Hubicka <jh@suse.cz>
1170 Richard Guenther <rguenther@suse.de>
1173 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1174 process_function_and_variable_attributes on all variables, including
1175 those discovered during cgraph construction phase.
1177 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1179 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1181 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1183 * config/i386/athlon.md (athlon_fist): Add fisttp.
1185 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1186 Ian Lance Taylor <ian@airs.com>
1189 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1190 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1193 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1195 * config/score/score.c, config/score/score.h: Fix comment
1198 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1201 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1204 2006-10-13 Eric Christopher <echristo@apple.com>
1206 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1208 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1211 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1212 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1213 alignment supported by 32-bit ELF.
1215 2006-10-13 Eric Christopher <echristo@apple.com>
1217 * config/darwin.c (darwin_emit_unwind_label): Strip
1218 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1220 2006-10-13 Richard Guenther <rguenther@suse.de>
1222 PR tree-optimization/29446
1223 * tree-vrp.c (fix_equivalence_set): Remove.
1224 (extract_range_from_assert): Do not call fix_equivalence_set.
1225 (debug_value_range): Print a newline.
1226 (compare_name_with_value): For equivalence sets with
1227 inconsistent value ranges conservatively bail out.
1228 (compare_names): Likewise.
1230 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1232 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1233 and MPFR for gfortran.
1235 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1237 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1238 alignment supported by 32-bit ELF.
1240 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1244 * c-typeck.c (digest_init): Always allow initializing vectors
1245 that have static storage duration with compound literals.
1246 * tree.c (build_type_attribute_qual_variant): New, based on
1247 build_type_attribute_variant.
1248 (build_type_attribute_variant): Rewrite using the former.
1249 (make_vector_type): Use build_type_attribute_qual_variant to build
1250 type variants. Use type_hash_canon on the others.
1252 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1253 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1255 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1257 2006-10-12 Jan Hubicka <jh@suse.cz>
1260 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1261 current_function_decl is set but current_function_scope is not.
1263 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1265 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1266 emit_insn to emit eh_return_internal instruction.
1267 (eh_return_internal): Explicitly set pc.
1269 2006-10-11 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/28230
1272 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1273 to the correct place.
1275 2006-10-11 Richard Guenther <rguenther@suse.de>
1278 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1281 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1283 * configure.ac: Added pdf to "Make-hooks"
1284 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1285 targets and *.pdf file patterns in cleanup targets.
1286 * configure: Regenerated.
1288 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1290 * config/avr/predicates.md: New file.
1291 * config/avr/avr.md: Include it.
1292 (REG_SP): New constant.
1293 (peepholes): Use predicates.
1294 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1295 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1296 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1298 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1300 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1303 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1306 * builtins.c (var_decl_component_p): New function.
1307 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1308 single entry optimization to variables and components thereof.
1310 2006-10-10 Richard Guenther <rguenther@suse.de>
1312 PR rtl-optimization/29323
1313 * except.c (set_nothrow_function_flags): For functions
1314 that do not bind local bail out early.
1316 2006-10-10 Ben Elliston <bje@au.ibm.com>
1318 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1321 2006-10-09 Richard Henderson <rth@redhat.com>
1323 Revert emutls patch.
1325 2006-10-09 Richard Guenther <rguenther@suse.de>
1328 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1331 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1334 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1335 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1336 * configure: Regenerate.
1337 * config.in: Regenerate.
1339 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1341 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1343 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1345 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1346 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1347 Remove stray newline.
1349 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1351 * config/mips/mips.c (mips_classify_symbol): Do not return
1352 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1353 (mips_in_small_data_p): Tweak comments.
1355 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1357 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1359 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1361 * gimplify.c, sched-int.h: Fix comment typos.
1363 * sched-int.h: Fix comment typos.
1365 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1367 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1369 * sched-ebb.c (begin_schedule_ready): Use them.
1370 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1371 add_to_speculative_block, create_check_block_twin, speculate_insn,
1372 fix_jump_move, move_block_after_check): Ditto.
1373 * sched-rgn.c (new_ready): Ditto.
1375 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1377 PR rtl-optimization/29128
1378 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1379 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1380 allow interblock movement of speculation checks.
1382 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1385 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1386 casted to integer type.
1387 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1388 if they are significantly more expensive than [reg + index] ones.
1390 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1392 PR tree-optimization/29330
1393 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1394 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1395 on newly allocated ddrs.
1396 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1397 to VEC (loop_p, heap) pointer.
1398 (compute_data_dependences_for_loop): Adjust caller.
1399 (free_dependence_relations): Free DDR_LOOP_NEST.
1401 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1402 free DEPENDENCE_RELATIONS and DATAREFS.
1405 * builtins.c (expand_builtin_sync_operation,
1406 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1407 Use convert_to_mode to handle promoted arguments.
1409 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1411 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1413 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1415 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1417 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1419 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1420 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1421 Use <modeconstraint> instead of "r" as operand 1 constraint.
1423 2006-10-06 Olivier Hainque <hainque@adacore.com>
1425 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1426 Don't recurse on the pointed-to type.
1427 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1428 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1429 types with components of variable size.
1431 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1433 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1435 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1437 PR tree-optimization/29290
1438 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1442 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1443 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1446 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1447 the number of vector elements fill the rest with zeros.
1449 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1451 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1452 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1455 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1457 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1458 unnamed pattern into subsi3. Use correct constraints/predicates.
1459 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1460 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1462 2006-10-05 Ira Rosen <irar@il.ibm.com>
1464 * doc/loop.texi: Add data references analysis description.
1466 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1468 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1470 2006-10-04 Richard Henderson <rth@redhat.com>
1471 Jakub Jelinek <jakub@redhat.com>
1473 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1474 * builtin-types.def (BT_WORD): Make unsigned.
1475 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1476 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1477 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1478 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1479 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1480 * cgraph.c (decide_is_variable_needed): Look at force_output.
1481 Recurse for emulated tls.
1482 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1483 checks redundant with decide_is_variable_needed.
1484 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1485 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1487 * expr.c (emutls_var_address): New.
1488 (expand_expr_real_1): Expand emulated tls.
1489 (expand_expr_addr_expr_1): Likewise.
1490 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1491 * output.h (emutls_finish): Declare.
1492 * toplev.c (compile_file): Call it.
1493 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1494 address before wrapping in CONST.
1495 * varasm.c (emutls_htab, emutls_object_type): New.
1496 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1497 (get_emutls_object_name, get_emutls_object_type): New.
1498 (get_emutls_init_templ_addr, emutls_decl): New.
1499 (emutls_common_1, emutls_finish): New.
1500 (assemble_variable): When emulating tls, swap decls; generate
1501 constructor for the emutls objects.
1502 (do_assemble_alias): When emulating tls, swap decl and target name.
1503 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1505 * emutls.c: New file.
1506 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1507 tls_object for real tls.
1509 2006-10-04 Zack Weinberg <zackw@panix.com>
1511 Fix bug in constraint-check generator, reported by Rask Ingemann
1513 * genpreds.c (add_constraint): Don't remove anything from the
1515 (write_tm_constrs_h): Detect whether "op" argument is used, and
1516 mark it ARG_UNUSED if it isn't.
1517 (write_insn_const_int_ok_for_constraint): Skip the part of the
1518 expression that would test whether "op" (which is not available
1519 here) is a CONST_INT.
1521 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1524 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1526 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1528 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1529 current Leopard versions.
1530 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1532 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1534 * doc/install.texi: Fix typos.
1536 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1538 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1539 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1540 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1542 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1544 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1545 arg to be struct mach_header_64* instead.
1547 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1550 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1551 side effects after the outer expression's post side effects.
1553 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1555 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1556 comments to reflect actual behavior and relationship between
1557 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1559 * doc/c-tree.texi (Working with declarations): Fix documentation
1560 of FIELD_DECL likewise.
1562 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1565 * doc/extend.texi: Add used variable attribute description.
1567 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1570 * c.opt (Woverride-init): New.
1571 * c-opts.c (c_common_post_options): Default warn_override_init to
1573 * c-typeck.c (add_pending_init, output_init_element): Warn for
1574 overriding initializers without side effects.
1575 * doc/invoke.texi (-Woverride-init): Document.
1578 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1580 PR rtl-optimization/28096
1581 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1582 assignment has already been used as a destination earlier in the block.
1584 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1586 * builtins.c (expand_builtin_setjmp): Delete.
1587 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1588 <BUILT_IN_SETJMP_SETUP>: New case.
1589 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1590 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1591 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1592 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1593 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1594 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1595 (lower_function_body): Initialize it to false. If it is set to true
1596 at the end of the processing, emit the setjmp dispatcher.
1597 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1598 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1599 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1600 on the rhs of the assignment.
1601 (lower_builtin_setjmp): New function.
1602 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1603 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1604 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1605 to detect calls that can go to non-local labels. Use specific
1606 helper to create the abnormal edges associated with them.
1607 <MODIFY_EXPR>: Likewise.
1608 (make_abnormal_goto_edges): New function extracted from...
1609 (make_goto_expr_edges): ...here. Call it for computed gotos.
1610 (simple_goto_p): Minor tweak.
1611 (tree_can_make_abnormal_goto): New predicate.
1612 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1613 (tree_purge_dead_abnormal_call_edges): New function.
1614 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1615 (tree_purge_dead_abnormal_call_edges): Likewise.
1616 (make_abnormal_goto_edges): Likewise.
1617 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1618 Purge all dead abnormal edges if the call was in the last statement.
1619 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1620 (execute_fixup_cfg): If there are non-local labels in the function,
1621 scan the basic blocks and split them at calls that can go to non-local
1622 labels or add missing abnormal call edges. Write down the CFG in the
1624 (pass_fixup_cfg): Remove TODO_dump_func flag.
1625 * unwind-sjlj.c: Poison setjmp.
1626 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1627 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1628 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1629 (DONT_USE_BUILTIN_SETJMP): Document it.
1631 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1634 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1635 to 1 when __ppc64__ is defined.
1636 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1638 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1640 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1642 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1643 * config/ia64/unwind-hpux.c: Delete.
1645 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1647 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1648 on the element before gimplifying it, instead of punting if it is of
1651 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1653 * doc/loop.texi: New file.
1654 * doc/gccint.texi: Reference loop.texi.
1655 * Makefile.in (loop.texi): Add.
1657 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1659 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1661 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1662 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1664 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1666 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1668 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1670 * doc/install.texi: Document required versions of GMP and MPFR.
1672 2006-09-27 Paul Brook <paul@codesourcery.com>
1675 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1677 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1679 * reload1.c (alter_reg): Require the alignment of the stack slot to
1680 be at least reg_max_ref_width bytes.
1681 (scan_paradoxical_subregs): Record the largest width in
1684 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1688 * tree-nested.c (struct nesting_info): Added static_chain_added.
1689 (convert_call_expr): Set static_chain_added when adding static
1690 chain. Handle OMP_PARALLEL and OMP_SECTION.
1692 2006-09-25 Matthias Klose <doko@debian.org>
1694 * doc/invoke.texi: Add missing full stop.
1696 2006-09-25 Richard Henderson <rth@redhat.com>
1698 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1699 before cgraph_function_flags_ready.
1701 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1702 Adam Nemet <anemet@caviumnetworks.com>
1704 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1705 determine_common_wider_type): New functions.
1706 (get_computation_aff): Use them to simplify arithmetic between
1707 UBASE and CBASE if they are shortened from the same type.
1709 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1712 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1713 -2147483647 - 1 instead of 0x80000000.
1715 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1717 * flags.h (HONOR_NANS): Fix typo in comment.
1719 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1721 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1723 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1727 * tree.c (merge_attributes, attribute_list_contained): If both
1728 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1730 * c-typeck.c (comptypes_internal): Don't consider aggregates
1731 in different TUs as compatible if there one set of attributes is
1732 not a subset of the other type's attributes.
1733 (composite_type): Try harder not to create a new aggregate type.
1735 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1737 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1738 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1739 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1740 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1741 than replicating condition above.
1742 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1744 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1745 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1746 the linker by default.
1748 2006-09-22 Mike Stump <mrs@apple.com>
1750 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1753 2006-09-22 Richard Guenther <rguenther@suse.de>
1756 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1757 sort of stack variables stable.
1759 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1762 * explow.c (force_reg): Set REG_POINTER flag according to
1765 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1767 PR tree-optimization/28888
1768 * tree-if-conv.c (combine_blocks): Rewritten.
1769 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1770 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1772 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1774 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1777 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1779 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1781 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1783 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1785 2006-09-21 Roger Sayle <roger@eyesopen.com>
1788 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1789 dw_fde_current_label, to be the start of the function, i.e. the same
1790 value as dw_fde_begin.
1792 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1794 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1795 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1796 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1797 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1798 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1799 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1800 (abs<mode>2, neg<mode>2): Likewise.
1801 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1802 (*mips_abs_ps): New define_insn.
1804 2006-09-20 Josh Conner <jconner@apple.com>
1807 * calls.c (expand_call): Allow reuse of structure return stack
1810 2006-09-20 Paul Brook <paul@codesourcery.com>
1812 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1815 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1817 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1818 clean up terminology.
1820 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1823 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1824 with tablejumps in them.
1826 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1829 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1830 wrap it into TARGET_EXPR.
1832 2006-09-20 Eric Christopher <echristo@apple.com>
1834 * config/i386/i386.c (x86_fisttp): Remove.
1835 * config/i386/i386.h (x86_fisttp): Ditto.
1836 (TARGET_FISTTP): Ditto.
1838 2006-09-19 Eric Christopher <echristo@apple.com>
1840 * doc/tm.texi (OBJC_JBLEN): Describe.
1841 * config/i386/darwin.h (OBJC_JBLEN): Define.
1842 * config/rs6000/darwin.h: Ditto.
1844 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1846 PR rtl-optimization/21299
1847 * reload1.c (reload): Purge invalid ASMs in the final pass.
1849 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1852 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1853 pointers as legitimate constants.
1855 2006-09-19 Paul Brook <paul@codesourcery.com>
1858 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1860 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1862 PR tree-optimization/28887
1863 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1864 component parts from the reference.
1865 (gather_memory_references_ref): Record the reference without the
1866 nonaddressable component parts.
1868 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1871 * c-opts.c (c_common_handle_option): Ignore the -std options
1872 if the input language is assembly.
1874 2006-09-17 Ira Rosen <irar@il.ibm.com>
1877 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1879 (ptr_ptr_may_alias_p): Likewise.
1880 (record_record_differ_p): New function.
1881 (base_object_differ_p): Call record_record_differ_p.
1883 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1886 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1887 away for the expr argument.
1889 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1892 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1893 before using it for dumping after vectorizing loops.
1895 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1896 Jack Howarth <howarth@bromo.med.uc.edu>
1899 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1900 skip on error_mark_node.
1901 (rs6000_darwin64_record_arg_recurse): Likewise.
1903 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1905 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1906 * doc/rtl.texi: Remove related documentation.
1908 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1910 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1913 2006-09-15 Jim Wilson <wilson@specifix.com>
1915 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1916 Handle symbol offsets same as they are handled in ia64_expand_move
1919 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1921 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1922 Add forgotten parameter to the fprintf call.
1924 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1926 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1928 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1930 * doc/contrib.texi: Add my entry.
1932 2006-09-15 Nick Clifton <nickc@redhat.com>
1934 * doc/md.texi (Processor pipeline description): Fix typo in
1935 example of how to use the absence_set directive and reword the
1936 description to make it slightly easier to read.
1938 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1940 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1941 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1942 expanding the number of iterations.
1943 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1945 * cfgrtl.c (emit_insn_at_entry): New function.
1946 * rtl.h (emit_insn_at_entry): Declare it.
1947 * integrate.c (emit_initial_value_sets): Use it.
1949 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1951 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1953 (struct loop_work and related VEC declarations): Delete.
1954 (bfin_dump_loops): Print out new member bad.
1955 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1956 (bfin_scan_loop): Don't recurse.
1957 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1958 loops. No longer need to update outer loops if the current one is
1959 found bad. Move some validitiy checks to bfin_discover_loop.
1960 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1961 but changed not to check for nesting. Also changed to use the new bad
1963 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1964 time. Use bitmap based test to discover loop nesting.
1966 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1968 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1971 2006-09-14 Richard Guenther <rguenther@suse.de>
1972 Kazu Hirata <kazu@codesourcery.com>
1974 PR middle-end/28884.
1975 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1976 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1977 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1978 with TARGET_FUNCTION_VALUE.
1980 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1983 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1985 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1987 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1990 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1993 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1996 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1998 * basic_block.h (bb_has_eh_pred): Fix comment.
2000 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2002 * flow.c (calculate_global_regs_live): Invalidate eh registers
2003 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2004 (propagate_block): Handle eh registers as if they were set at basic
2006 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2008 * global.c (global_conflicts): Make eh registers to conflict with
2009 pseudos live at basic block begin.
2010 * basic_block.h (bb_has_eh_pred): New function.
2012 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2014 PR rtl-optimization/28982
2015 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2016 index of a PRE_MODIFY or POST_MODIFY address.
2017 * reload1.c (inc_for_reload): Use find_replacement on the original
2018 base and index registers.
2020 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2022 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2023 for -Os. Update __m128 alignment requirement.
2025 2006-09-13 Jan Hubicka <jh@suse.cz>
2027 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2029 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2031 PR rtl-optimization/28243
2032 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2033 the insn to which the note was originally attached.
2035 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2036 Roger Sayle <roger@eyesopen.com>
2038 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2039 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2040 on platforms that don't use dwarf for debug info.
2042 2006-09-12 Jason Merrill <jason@redhat.com>
2045 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2046 hard_frame_pointer_rtx after using it to update the frame pointer.
2048 2006-09-12 Roger Sayle <roger@eyesopen.com>
2050 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2051 (TARGET_ASM_CLOSE_PAREN): Likewise.
2052 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2053 (TARGET_ASM_CLOSE_PAREN): Likewise.
2055 2006-09-12 Roger Sayle <roger@eyesopen.com>
2058 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2059 frame information for frames larger than 512 Kbytes on Tru64 when
2060 using the native assembler.
2062 2006-09-12 Roger Sayle <roger@eyesopen.com>
2066 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2067 and symbols. Instead use the implementation from cse.c's hash_rtx.
2069 2006-09-12 Jan Hubicka <jh@suse.cz>
2071 PR rtl-optimization/28071
2072 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2073 (vect_transform_loop): Likewise.
2074 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2075 (new_loop_vec_info): Likewise.
2076 (destroy_loop_vec_info): Likewise.
2077 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2078 (create_stmt_ann): Likewise.
2079 (create_tree_ann): Rename to ...
2080 (create_tree_common_ann): ... this one; allocate only the common part
2082 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2083 (get_value_handle): Likewise.
2084 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2085 get_tree_common_ann.
2086 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2087 (vinfo_for_stmt): Use stmt annotations.
2088 * tree-flow.h (tree_ann_common_t): New type.
2089 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2090 (tree_ann, get_tree_ann, create_tree_ann): New.
2091 * tree-flow-inline.h (get_function_ann): Do more type checking.
2092 (stmt_ann): Likewise.
2093 (tree_ann): Rename to ...
2094 (tree_common_ann): ... this one; return ony common_ann
2095 (get_tree_ann): Rename to ...
2096 (tree_common_ann): This one; return only common_ann.
2097 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2100 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2102 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2103 with_cpu by default.
2105 * dwarf2out.c (dwarf_file_data): New.
2106 (enum dw_val_class): Add dw_val_class_file.
2107 (struct dw_val_struct): Add val_file.
2108 (file_table): Change to a hash table.
2109 (file_table_emitted): Delete.
2110 (file_table_last_lookup_index): Delete.
2111 (emitcount): Delete.
2112 (last_emitted_file): New.
2113 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2114 (init_file_table): Delete.
2115 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2116 (AT_addr): Add comment.
2120 (print_die): Handle dw_val_class_file.
2121 (print_dwarf_line_table): Update for new file table structure.
2122 (attr_checksum): Do checksum a filename.
2123 (same_dw_val_p, same_attr_p): Do compare a filename.
2124 (size_of_die): Handle dw_val_class_file.
2125 (value_format): Likewise.
2126 (output_die): Likewise. Also, call maybe_emit_file here.
2127 (struct file_info): Constify filenames. Make file_idx a pointer
2128 to a struct dwarf_file_data.
2129 (struct dir_info): Constify directory names. Remove 'used' field.
2130 (struct file_name_acquire_data): New.
2131 (file_name_acquire): New.
2132 (output_file_names): Modify to handle new file data structures.
2133 (add_src_coords_attributes): Use add_AT_file.
2134 (add_call_src_coords_attributes): Likewise.
2135 (dwarf2out_imported_module_or_decl): Likewise.
2136 (gen_subprogram_die): Modify for new file data structures.
2137 (gen_variable_die): Likewise.
2138 (file_table_eq): New.
2139 (file_table_hash): New.
2140 (file_table_last_lookup): New.
2141 (lookup_filename): Rewrite to handle new file data structures.
2142 (maybe_emit_file): Rewrite to handle new file data structures.
2143 (dwarf2out_source_line): Always call lookup_filename and
2145 (dwarf2out_init): Create file_table here.
2146 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2147 (file_table_relative_p): New.
2148 (dwarf2out_finish): Change detection of relative filenames
2149 to work with new file data structures. Move output_line_info call
2150 after debug_info output.
2152 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2157 * config/i386/i386.c (override_options): Always default to 16
2158 byte stack boundary.
2160 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2163 * var-tracking.c (dump_dataflow_set): Start dumping at
2165 (clobber_variable_part): Kill only the variable part in
2166 registers holding it, leaving other variables alone.
2168 2006-09-11 Josh Triplett <josh@freedesktop.org>
2170 * doc/extend.texi (Other Builtins): Actually use the macro
2171 argument in the documentation example for
2172 __builtin_types_compatible_p.
2174 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2176 PR rtl-optimization/28726
2177 * sched-deps.c (sched_analyze_reg): New function extracted from...
2178 (sched_analyze_1): ...here. Call it to analyze references to
2179 registers. Treat again writes to a stack register as writing to the
2181 (sched_analyze_2): ...and here. Call it to analyze references to
2182 registers. Treat again reads of a stack register as reading the
2185 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2186 David Edelsohn <edelsohn@gnu.org>
2189 * config/rs6000/spe.md (frob_df_di): Remove %H.
2190 (frob_di_df): Remove %H. Change evmergelo to mr.
2191 (frob_di_df_2): Remove %H. Change evldd to two loads.
2193 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2195 * doc/cpp.texi: Fix names of charset options.
2197 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2200 * config/i386/i386.c (override_options): Use 128-bit
2201 stack boundary always for 64bits.
2203 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2205 PR rtl-optimization/28636
2206 * combine.c (force_to_mode): Test for side-effects before
2207 substituting by zero.
2208 (simplify_shift_const): Likewise for zero or other constants.
2210 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2213 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2216 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2219 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2220 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2221 returned by mode_for_size, rather than the mode of src itself,
2222 to choose between 32-bit and 64-bit patterns.
2223 (mips_mem_fits_mode_p): New function.
2224 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2225 that the size of the source matches the size of the destination.
2226 (mov_<store>l, mov_<store>r): Likewise.
2228 2006-09-10 Eric Christopher <echristo@apple.com>
2230 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2233 2006-09-09 Eric Christopher <echristo@apple.com>
2236 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2239 2006-09-09 Roger Sayle <roger@eyesopen.com>
2240 Nicolas Setton <setton@adacore.com>
2242 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2244 2006-09-10 Andreas Schwab <schwab@suse.de>
2246 * config/m68k/m68k.md (bungt_rev): New pattern.
2248 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2249 Dale Johannesen <dalej@apple.com>
2252 * regclass.c (struct reg_pref): Update documentation.
2253 (regclass): Set prefclass to NO_REGS if memory is the best option.
2254 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2256 2006-09-08 Eric Christopher <echristo@apple.com>
2258 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2259 * config/t-slibgcc-darwin: Support x86_64 multilib.
2260 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2261 Return 1 for x86_64-darwin.
2262 * config/i386/t-darwin: Add m64 multilib.
2263 (LIB2_SIDITI_CONV_FUNCS): Use.
2264 (LIB2FUNCS_EXTRA): Ditto.
2265 * config/i386/darwin.h: Support x86_64.
2266 * config/i386/i386.c (override_options): Turn on flag_pic
2267 for x86_64-darwin. Disable flag_omit_pointer.
2268 (get_pc_thunk_name): Assert !TARGET_64BIT.
2269 (legitimate_address_p): Disable machopic addressing for
2271 (legitimize_pic_address): Ditto.
2272 (ix86_expand_move): Ditto.
2273 (ix86_expand_call): Ditto.
2274 (machopic_output_stub): Ditto.
2275 * config/darwin.c (machopic_select_section): Support literal16.
2276 (machopic_select_rtx_section): Ditto.
2277 * config/darwin-sections.def: Ditto.
2278 * config/darwin-64.c: New.
2280 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2283 * c-tree.h (struct c_arg_info): Add pending_sizes.
2284 * c-parser.c (c_parser_parms_declarator,
2285 c_parser_parms_list_declarator): Initialize pending_sizes.
2286 * c-decl.c (get_parm_info): Initialize pending_sizes.
2287 (get_parm_info): Set pending_sizes.
2288 (grokdeclarator): Call put_pending_sizes for parameters for
2289 function definition only.
2291 2006-09-07 Jason Merrill <jason@redhat.com>
2294 * varasm.c (output_constant): Only strip actual no-op conversions.
2297 * config/i386/i386.c (override_options): Use 128-bit
2298 stack boundary if -msse.
2300 2006-09-07 Eric Christopher <echristo@apple.com>
2302 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2304 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2307 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2309 * dwarf2out.c: Remove strange characters from comment above
2310 dwarf2out_frame_debug_expr.
2312 2006-09-07 Eric Christopher <echristo@apple.com>
2314 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2315 * config/darwin.h: ... to here.
2317 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2319 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2321 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2322 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2324 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2325 TARGET_PARTIAL_FLAG_REG_STALL.
2326 (*ashldi3_cconly_rex64): Likewise.
2327 (*ashlsi3_cmp): Likewise.
2328 (*ashlsi3_cconly): Likewise.
2329 (*ashlsi3_cmp_zext): Likewise.
2330 (*ashlhi3_cmp): Likewise.
2331 (*ashlhi3_cconly): Likewise.
2332 (*ashlqi3_cmp): Likewise.
2333 (*ashlqi3_cconly): Likewise.
2334 (*ashrdi3_cmp_rex64): Likewise.
2335 (*ashrdi3_cconly_rex64): Likewise.
2336 (*ashrsi3_cmp): Likewise.
2337 (*ashrsi3_cconly): Likewise.
2338 (*ashrsi3_cmp_zext): Likewise.
2339 (*ashrhi3_cmp): Likewise.
2340 (*ashrhi3_cconly): Likewise.
2341 (*ashrqi3_cmp): Likewise.
2342 (*ashrqi3_cconly): Likewise.
2343 (*lshrdi3_cmp_rex64): Likewise.
2344 (*lshrdi3_cconly_rex64): Likewise.
2345 (*lshrsi3_cmp): Likewise.
2346 (*lshrsi3_cconly): Likewise.
2347 (*lshrsi3_cmp_zext): Likewise.
2348 (*lshrhi3_cmp): Likewise.
2349 (*lshrhi3_cconly): Likewise.
2350 (*lshrqi2_cmp): Likewise.
2351 (*lshrqi2_cconly): Likewise.
2353 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2356 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2357 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2358 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2359 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2360 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2361 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2362 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2363 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2364 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2365 implement only CC setting effects of shift instructions.
2367 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2369 * doc/contrib.texi: Add myself.
2371 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2374 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2375 was set by the user.
2377 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2380 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2381 (divsi_inv_m1): Use them.
2382 (UNSPEC_DIV_INV_TABLE): New constant.
2384 2006-09-06 James E Wilson <wilson@specifix.com>
2387 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2388 then call count_or_remove_death_notes.
2390 2006-09-06 Jason Merrill <jason@redhat.com>
2393 * tree-inline.c (copy_result_decl_to_var): New fn.
2394 (declare_return_variable): Use it. Call declare_inline_vars here.
2395 (expand_call_inline): Not here.
2397 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2399 * doc/contrib.texi: Update my entry.
2401 2006-09-06 Nick Clifton <nickc@redhat.com>
2403 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2405 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2408 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2409 (canonicalize_induction_variables): Likewise.
2410 (tree_unroll_loops_completely): Likewise.
2411 (tree_ssa_prefetch_arrays): Likewise.
2412 (remove_empty_loops): Likewise.
2413 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2414 TODO_cleanup_cfg instead of directly calling
2415 cleanup_tree_cfg_loop.
2416 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2418 (tree_unroll_loops_completely): Likewise.
2419 (remove_empty_loops): Likewise.
2420 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2421 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2422 of tree_ssa_unswitch_loops.
2423 (tree_ssa_loop_ivcanon): Use the return value of
2424 canonicalize_induction_variables.
2425 (tree_ssa_empty_loop): Use the return value of
2427 (tree_complete_unroll): Use the return value of
2428 tree_unroll_loops_completely.
2429 (tree_ssa_loop_prefetch): Use the return value of
2430 tree_ssa_prefetch_arrays.
2431 * passes.c (execute_todo): Before Cleanup CFG, set
2432 updating_used_alone and after cleanup CFG, call
2433 recalculate_used_alone.
2435 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2438 * tree-vect-transform.c (vectorizable_condition): Move the check
2439 for the type after the check for simple condition.
2441 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2442 Kaz Kojima <kkojima@gcc.gnu.org>
2445 * mode-switching.c (optimize_mode_switching): Make the destination
2446 block of an abnormal edge have no anticipatable mode. Don't
2447 insert mode switching code at the end of the source block of
2450 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2452 PR rtl-optimization/26847
2453 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2454 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2455 (simplify_plus_minus): Count n_constants while filling ops. Replace
2456 qsort with insertion sort. Before going through the array to simplify
2457 pairs, sort it. Delay early exit until after the first sort, exiting
2458 only if no swaps occurred. Simplify pairs in reversed order, without
2459 special-casing the first iteration. Pack ops after simplifying pairs.
2461 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2463 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2464 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2465 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2466 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2468 2006-09-05 Richard Guenther <rguenther@suse.de>
2470 PR tree-optimization/28900
2471 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2472 compound conditional before creating COND_EXPR condition.
2474 2006-09-05 Richard Guenther <rguenther@suse.de>
2476 PR tree-optimization/28905
2477 * tree-vrp.c (fix_equivalence_set): Manually implement
2478 !value_ranges_intersect_p to also handle symbolic ranges.
2480 2006-09-05 Richard Guenther <rguenther@suse.de>
2483 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2486 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2488 PR rtl-optimization/27616
2489 * cse.c (table_size): New static variable.
2490 (new_basic_block): Initialize it to 0.
2491 (remove_from_table): Decrement it.
2492 (insert): Increment it.
2493 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2494 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2495 fold_rtx_mem_1 if under the cap.
2496 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2497 the lookup of the equivalent expression and test for equality of the
2498 first operand of the equivalent expression before in turn looking up
2499 an equivalent constant for the second operand.
2501 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2504 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2505 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2506 pointer, instead of assuming it is possible to derive the
2507 correct args size from a call insn.
2509 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2512 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2513 (fold_builtin_mempcpy): Rename to...
2514 (fold_builtin_memory_op): ... this. Optimize one element copy
2516 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2518 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2519 (expand_builtin_memcpy, expand_builtin_mempcpy,
2520 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2521 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2522 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2523 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2525 2006-09-01 DJ Delorie <dj@redhat.com>
2527 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2528 (stzx_16): Likewise.
2529 ("stzx_24_<mode>"): Likewise.
2530 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2531 ("cmp<mode>_op"): New.
2532 (cmp<mode>): Change to expander; just save operands.
2534 (b<code>): Change to expander, emit compare here.
2535 (s<code>_op): Change to use split and expander.
2536 (s<code>_24_op): Likewise.
2537 (s<code>_<mode>): New.
2538 (s<code>_<mode>_24): New.
2539 (movqicc_<code>_<mode): New.
2540 (movhicc_<code>_<mode>): New.
2543 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2544 (m32c_pend_compare): New.
2545 (m32c_unpend_compare): New.
2546 (m32c_expand_scc): New.
2547 (m32c_expand_movcc): Emit the compare also.
2548 * config/m32c/predicates.md (mra_nopp_operand): New.
2550 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2551 Richard Guenther <rguenther@suse.de>
2552 Adam Nemet <anemet@caviumnetworks.com>
2555 * builtins.c (get_pointer_alignment): Handle more forms
2556 of base addresses that can be used to derive more precise
2557 information about alignment.
2559 2006-09-01 Jason Merrill <jason@redhat.com>
2562 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2565 * gimplify.c (voidify_wrapper_expr): Handle null type.
2567 2006-09-01 Josh Conner <jconner@apple.com>
2570 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2571 (execute_return_slot_opt): Use it.
2573 2006-08-31 Josh Conner <jconner@apple.com>
2576 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2577 returning aggregates.
2579 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2581 PR tree-optimization/28839
2582 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2583 blocks in that phi arguments appear.
2585 2006-08-31 Roger Sayle <roger@eyesopen.com>
2588 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2589 NULL, otherwise use an advance_loc4 to adjust relative to the
2591 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2592 (dwarf2out_switch_text_section): Reset the current label to avoid
2593 using advance_loc4 over section boundaries.
2595 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2598 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2599 r12 + SYMBOLIC_CONST.
2601 2006-08-30 Richard Guenther <rguenther@suse.de>
2603 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2605 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2607 PR rtl-optimization/27735
2608 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2609 Add new argument to keep track of whether an irreducible region
2610 was affected. All callers changed.
2611 (fix_irreducible_loops): Removed.
2612 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2613 flags were invalidated.
2615 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2617 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2618 instead of SF operands.
2619 (*fop_df_comm_sse): Likewise.
2620 (*fop_df_comm_i387): Likewise.
2621 (*fop_df_1_mixed): Likewise.
2622 (*fop_df_1_sse): Likewise.
2624 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2625 J"orn Rennecke <joern.rennecke@st.com>
2627 PR tree-optimization/17506
2628 * tree-ssa.c (warn_uninit): If warning about a location outside of
2629 the current function, note where the variable was declared.
2631 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2633 PR tree-optimization/28411
2634 * double-int.c (double_int_div): Use double_int_divmod.
2635 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2636 double_int_mod, double_int_smod, double_int_umod): New functions.
2637 * double-int.h (double_int_divmod, double_int_sdivmod,
2638 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2640 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2642 (get_computation_aff, get_computation_cost_at): Handle double_int
2643 return type of constant_multiple_of.
2645 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2648 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2649 an implicit conversion.
2651 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2653 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2655 2006-08-27 Roger Sayle <roger@eyesopen.com>
2657 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2660 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2662 * config/i386/crtfastmath.c: Fix a comment typo.
2664 2006-08-26 Roger Sayle <roger@eyesopen.com>
2666 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2667 temporary visit flags on CASE_LABEL_EXPRs.
2668 * c-common.c (match_case_to_enum): Add function comment. Avoid
2669 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2670 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2671 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2672 a constant, only warn if that constant value isn't handled.
2674 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2677 * input.h (restore_input_file_stack): Declare.
2678 (INPUT_FILE_STACK_BITS): Define.
2679 * toplev.c (fs_p, input_file_stack_history,
2680 input_file_stack_restored, restore_input_file_stack): New.
2681 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2682 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2683 (pop_srcloc): Don't free old state of stack.
2685 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2688 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2689 (PowerPC Type Attributes): New.
2691 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2693 * config/xtensa/xtensa.c (function_arg_boundary): New.
2694 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2696 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2697 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2699 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2702 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2705 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2707 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2708 (verify_local_live_at_start): Likewise.
2710 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2713 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2714 omp_add_variable): Treat sizes as variable whenever not
2717 2006-08-26 Richard Guenther <rguenther@suse.de>
2720 * fold-const.c (fold_binary): Fold temporary to correct
2721 type before constructing new comparison.
2723 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2726 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2727 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2729 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2732 * c-decl.c (start_function): Don't try to process prototype
2733 information from old declaration that isn't a function.
2735 2006-08-25 Jan Hubicka <jh@suse.cz>
2738 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2740 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2743 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2746 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2748 PR tree-optimization/16876
2749 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2750 exit if PARM doesn't match VALUE.
2752 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2754 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2755 literal_prefix directive.
2756 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2757 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2758 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2760 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2763 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2764 predicate to general_operand. Add 0->y and I->r alternatives.
2766 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2768 * doc/tm.texi: Fix a typo.
2769 * predict.c: Fix comment typos.
2771 2006-08-25 Nick Clifton <nickc@redhat.com>
2773 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2774 assertions of "cpu" and "machine".
2776 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2779 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2780 the access through a base which has an alias set of 0 cannot
2783 2006-08-24 Bill Wendling <wendling@apple.com>
2785 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2787 2006-08-24 Jan Hubicka <jh@suse.cz>
2789 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2791 2006-08-24 Jan Hubicka <jh@suse.cz>
2794 * cgraph.c: Fix comments.
2795 (cgraph_varpool_mark_needed_node): Mark only variables not already
2797 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2798 (cgraph_varpool_assembled_nodes_queue): New static variable.
2799 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2800 (cgraph_varpool_output_debug_info): New function.
2801 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2802 * Makefile.in: Add gt-cgraphunit.h
2804 2006-08-24 Jan Hubicka <jh@suse.cz>
2806 * predict.c (probability_reliable_p): New predicate.
2807 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2808 (predict_loops): Do not predict loop exit with less than 2%
2810 * basic-block.h (edge_probability_reliable_p,
2811 br_prob_note_reliable_p): Declare.
2812 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2813 prediction when static predictor is not reliable.
2814 * rs6000.c (output_cbranch): Likewise.
2816 2006-08-23 Stuart Hastings <stuart@apple.com>
2819 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2820 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2822 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2825 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2826 complex values, nor for generic vector values.
2828 2006-08-22 Richard Guenther <rguenther@suse.de>
2831 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2832 parameter. Convert arguments to arithmetic expression to the
2834 (analyze_scalar_evolution_1): Adjust caller.
2836 2006-08-22 Jan Hubicka <jh@suse.cz>
2838 Patch by Paolo Bonzini
2839 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2842 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2844 PR tree-optimization/28003
2845 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2846 before grouping aliases.
2848 2006-08-22 Roger Sayle <roger@eyesopen.com>
2850 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2851 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2853 2006-08-21 Jason Merrill <jason@redhat.com>
2856 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2857 wrapper. Loop to handle nested wrappers.
2858 (gimplify_bind_expr): Remove temp parameter.
2859 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2860 and STATEMENT_LIST on the rhs.
2861 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2862 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2863 (gimplify_target_expr): Remove special BIND_EXPR handling.
2865 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2867 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2870 2006-08-21 Olivier Hainque <hainque@adacore.com>
2872 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2873 Arrange for the temporary captures of components overlapping the lhs
2874 to happen before the lhs is possibly cleared.
2876 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2878 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2879 necessary places to pass the correct "number of registers" values
2882 2006-08-20 Jan Hubicka <jh@suse.cz>
2884 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2885 (create_name_tags): Instead of quadratic checking use hashtable.
2886 * bitmap.h: Include hashtab.h.
2887 (bitmap_hash): Declare.
2888 * bitmap.c (bitmap_hash): New function.
2890 2006-08-20 Jan Hubicka <jh@suse.cz>
2892 PR rtl-optimization/28071
2893 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2895 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2896 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2897 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2898 cgraph_decide_inlining_incrementally): Update use of
2899 cgraph_check_inline_limits.
2900 * cgraph.c (edge_hash, edge_eq): New function.
2901 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2902 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2903 cgraph_remove_node): Maintain call site hash.
2904 * cgraph.h (struct cgraph_node): Add call_site_hash.
2905 (cgraph_set_call_stmt): New function.
2907 2006-08-20 Jan Hubicka <jh@suse.cz>
2909 PR rtl-optimization/28071
2910 * reload1.c (reg_has_output_reload): Turn into regset.
2911 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2912 choose_reload_regs, emit_reload_insns): Update to new
2913 reg_has_output_reload.
2915 2006-08-20 Jan Hubicka <jh@suse.cz>
2918 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2919 function body sizes.
2920 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2922 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2925 * tree.c (handle_dll_attribute): Return early if not a
2926 var or function decl.
2928 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2931 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2932 alignment of SPE vector types.
2934 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2936 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2938 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2941 * cgraph.h (struct cgraph_node): Remove externally_visible
2943 * cgraphunit.c (process_function_and_variable_attributes): Set
2944 local.externally_visible rather than externally_visible.
2947 * c-common.c (handle_externally_visible_attribute): First look
2948 at TREE_CODE and only if it is function or var decl, check for
2949 non-public objects. Don't warn for DECL_EXTERNAL.
2950 * cgraphunit.c (process_function_and_variable_attributes): Warn
2951 if externally_visible attribute is used on non-public object.
2953 2006-08-17 Jan Hubicka <jh@suse.cz>
2955 PR tree-optimization/27865
2956 * reload1.c (forget_marked_reloads): New function.
2957 (forget_old_reloads_1): When data are passed, just mark the registers
2959 (reload_as_needed): Use the new mechanizm.
2961 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2964 * reload.h (reg_equiv_alt_mem_list): New declaration.
2965 * reload1.c (reg_equiv_alt_mem_list): New definition.
2966 (reload): Initialize it and release it.
2967 (delete_output_reload): Use it.
2968 * reload.c (push_reg_equiv_alt_mem): New function.
2969 (find_reloads_toplev): Call it.
2970 (find_reloads_address, find_reloads_address_1): Likewise.
2971 (find_reloads_subreg_address): Likewise.
2973 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2975 PR rtl-optimization/28489
2976 * sched-ebb.c (begin_schedule_ready): Create basic block
2978 (advance_target_bb): Skip empty blocks.
2979 * haifa-sched.c (bb_note): Make global.
2980 * sched-int.h (bb_note): Add prototype.
2982 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2984 PR tree-optimization/27865
2985 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2987 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2988 fold_used_pointer, pointer_used_p): New functions.
2989 (analyze_scalar_evolution_1): Use fold_used_pointer.
2990 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2991 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2994 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2997 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2998 or the INTEGER_CST. Fail on a CALL_EXPR.
2999 (fold_offsetof): Pass new argument to fold_offsetof_1.
3000 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3001 operand into an INDIRECT_REF.
3002 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3004 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3006 PR gcov/profile/26570
3007 * value-prof.c (static_values): Removed.
3008 (tree_find_values_to_profile): Do not set static_values.
3009 (find_values_to_profile): Do not free static_values.
3010 * profile.c (instrument_values): Do not free the values.
3011 (branch_prob): Free the values.
3013 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3015 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3017 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3020 * c-typeck.c (build_component_ref): Combine qualifiers of
3021 structure or union and field.
3023 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3025 PR rtl-optimization/28071
3026 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3027 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3028 * tree-into-ssa.c (struct dom_dfsnum): New.
3029 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3031 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3032 compute_global_livein.
3033 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3034 in phi nodes in the correct blocks.
3036 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3038 PR tree-optimization/28364
3039 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3041 (fold_affine_expr): New function.
3042 (may_eliminate_iv): Use fold_affine_expr.
3044 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3047 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3050 2006-08-16 Mike Stump <mrs@apple.com>
3052 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3053 * doc/cppopts.texi (-MD): Likewise.
3055 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3058 * c-common.c (handle_weak_attribute): Ignore and warn if
3059 not a FUNCTION_ or VAR_DECL.
3061 2006-07-15 Mike Stump <mrs@apple.com>
3064 * c-parser.c (c_parser_typeof_specifier): Don't use
3065 c_finish_expr_stmt, open code desired semantics instead.
3067 2006-08-15 Nick Clifton <nickc@redhat.com>
3069 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3070 fragment to tmake_file only if threads are enabled.
3071 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3072 * config/i386/t-gthr-win32: New file. ... here.
3074 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3077 * c-parser.c (c_parser_compound_statement_nostart): Reset
3078 parser->error after each statement.
3080 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3083 * omp-low.c (lower_omp_parallel): Convert t to
3084 receiver_decl's type.
3085 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3086 source before comparison.
3089 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3090 to itype in assignment to oldival2.
3092 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3096 * c-typeck.c (build_compound_expr): If the second expression
3097 is an error mark, then just return an error mark instead of
3098 creating a COMPOUND_EXPR.
3100 2006-07-14 Mike Stump <mrs@apple.com>
3102 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3104 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3106 * c-decl.c, var-tracking.c: Fix comment typos.
3108 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3110 PR rtl-optimization/28634
3111 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3112 for floating-point modes unless flag_unsafe_math_optimizations.
3114 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3115 Andrew Pinski <pinskia@physics.uc.edu>
3118 * tree.c (build_array_type): Unify array types with
3119 unspecified index_type.
3120 * c-decl.c (grokdeclarator): Make sure we do not modify a
3121 unified incomplete array type.
3122 * c-typeck.c (store_init_value): Create distinct type before
3123 filling in the index type in an initializer from a compound
3126 * c-decl.c (grokdeclarator): Remove code where we copy the
3129 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3131 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3132 into account for TODO_dump_cgraph.
3133 (TODO_update_ssa_no_phi): Likewise.
3134 (TODO_update_ssa_full_phi): Likewise.
3135 (TODO_update_ssa_only_virtuals): Likewise.
3136 (TODO_remove_unused_locals): Likewise.
3137 (TODO_set_props): Likewise.
3138 (TODO_update_stmt_usage): Likewise.
3140 2006-08-13 Dirk Mueller <dmueller@suse.de>
3142 * c-common.c (strict_aliasing_warning): Fix formatting.
3144 2006-08-13 Matthias Klose <doko@debian.org>
3146 * doc/invoke.texi: Fix spelling errors.
3148 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3150 PR rtl-optimization/23454
3151 * reorg.c (relax_delay_slots): Update comment.
3153 2006-08-11 Richard Guenther <rguenther@suse.de>
3156 * simplify-rtx.c (simplify_const_relational_operation):
3157 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3160 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3162 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3163 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3165 2006-08-10 Paul Brook <paul@codesourcery.com>
3167 * final.c (final_scan_insn): Clear current_insn_predicate before
3168 outputting inline asm.
3170 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3172 PR tree-optimization/26197
3173 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3174 get_ref_base_and_extent and overlap_subvar to add only relevant
3175 subvars as may-aliases.
3176 (add_may_alias_for_new_tag): New function, factored out of
3178 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3179 with additional argument.
3180 * tree-flow.h (new_type_alias): Takes additional argument.
3182 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3184 * gcov.c (no_data_file): New flag.
3185 (read_count_file): Set it if data file not present. Assume counts
3187 (output_lines): Don't name the data file, if there wasn't one.
3189 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3191 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3192 (rs6000_generate_compare): Tweak comments.
3193 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3195 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3197 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3198 (var_debug_decl): New function.
3199 (var_reg_set): Follow debug decl link. Add location even if
3200 reg is already known to hold some other variable.
3201 (var_mem_set): Follow debug decl link.
3202 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3203 decl link. Delete other known locations of the variable part
3205 (var_reg_delete, var_mem_delete): Delete other known locations
3206 of the variable part if requested.
3207 (same_variable_part_p): New function.
3208 (add_stores): Select MO_COPY when appropriate.
3209 (vt_initialize): Handle it.
3210 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3211 known locations for MO_SET and MO_CLOBBER.
3212 (find_variable_location_part): New function.
3213 (set_variable_part, delete_variable_part): Use it.
3214 (clobber_variable_part): New function.
3215 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3218 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3220 PR tree-optimization/26969
3221 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3222 with an empty list of PHIs.
3224 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3228 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3231 2006-08-06 Andreas Schwab <schwab@suse.de>
3233 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3234 string. Whitespace and comment fixup.
3236 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3239 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3243 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3246 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3248 2006-08-04 Jan Hubicka <jh@suse.cz>
3252 * reload.c (push_reload): Patch out the mismatching instruction;
3254 (find_reload): Bail out if the instruction was patched out.
3256 2006-08-04 Jan Hubicka <jh@suse.cz>
3258 PR tree-optimization/24888
3259 * tree-inline.c (expand_call_inline): Do not re-record variables.
3260 (declare_inline_vars): Add variable to unexpanded_var_list.
3262 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3263 Roger Sayle <roger@eyesopen.com>
3265 PR rtl-optimization/26244
3266 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3267 inner_const are negative or greater than or equal to the bitsize of
3268 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3269 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3270 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3271 CONST0_RTX (mode) when the new shift count is greater than or equal to
3272 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3275 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3277 * tree-cfg.c: Fix a comment typo.
3279 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3282 * varasm.c (output_constant): Give the front end another chance to
3283 expand constants, after stripping NOPs.
3285 2006-08-03 Jan Hubicka <jh@suse.cz>
3287 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3290 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3292 PR tree-optimization/27770
3293 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3294 declaration removed (moved to tree-flow.h).
3295 (vect_can_force_dr_alignment_p): Likewise.
3296 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3297 (moved from tree-vectorizer.h).
3298 (vect_can_force_dr_alignment_p): Likewise.
3299 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3300 from outside the vectorizer - in particular from cgraph stage.
3301 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3302 the alignment of global arrays when -fsection-anchors is enabled.
3303 * cgraphunit.c (cgraph_increase_alignment): New function.
3304 (cgraph_optimize): Call cgraph_increase_alignment.
3306 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3309 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3310 not reload a SPE symbol_ref into a lo_sum address.
3312 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3315 * dwarf2out.c (prune_unused_types_prune): Move call to
3316 prune_unused_types_update_strings to cover the parent DIE also.
3318 2006-08-02 Jan Hubicka <jh@suse.cz>
3320 PR gcov/profile/28480
3321 * tree-cfg.c (change_bb_for_stmt): New function.
3322 (tree_merge_blocks, tree_split_blocks): Use it.
3324 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3330 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3331 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3332 (cgraph_optimize): Likewise.
3334 2006-08-01 Stuart Hastings <stuart@apple.com>
3336 * rtl.h (UINTVAL) New.
3337 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3338 * testsuite/gcc.dg/20060801-1.c: New.
3340 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3343 * c-typeck.c (build_external_type): Mark used enum types.
3344 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3346 (gen_subprogram_die): Whitespace fix.
3348 2006-08-01 Jan Hubicka <jh@suse.cz>
3350 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3351 bitmap when not needed.
3352 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3355 2006-08-01 Dirk Mueller <dmueller@suse.de>
3357 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3359 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3361 * Makefile.in: Revert part of previous patch:
3362 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3365 2006-07-30 Eric Christopher <echristo@apple.com>
3368 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3369 (PowerPC Variable Attributes): New section.
3371 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3373 PR target/28126 (partial fix)
3374 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3376 2006-07-28 Jan Hubicka <jh@suse.cz>
3378 PR rtl-optimization/28071
3379 * cfgrtl.c (rtl_delete_block): Free regsets.
3380 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3382 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3384 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3385 and variables used in dependencies.
3387 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3389 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3390 %fs for -mcmodel=kernel.
3391 (stack_tls_protect_test_di): Likewise.
3393 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3395 * Makefile.in: Use mkinstalldirs.
3397 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3400 * opts-common.c (prune_options): Skip joined switches.
3402 2006-07-27 Jan Hubicka <jh@suse.cz>
3404 PR rtl-optimization/28071
3405 * cselib.c (cselib_process_insn): Don't remove useless values too
3406 often for very large hashtables.
3408 2006-07-27 Jan Hubicka <jh@suse.cz>
3410 PR rtl-optimization/28071
3411 * global.c (greg_obstack): New obstack.
3412 (allocate_bb_info): Use it.
3413 (free_bb_info): Likewise.
3414 (modify_reg_pav): Likewise.
3416 2006-07-27 Roger Sayle <roger@eyesopen.com>
3418 * builtins.c (fold_fixed_mathfn): When long and long long are the
3419 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3420 functions to their lceil*, lfloor*, lround* and lrint* forms.
3422 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3425 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3427 (rev_branch_insn): Likewise.
3429 2006-07-27 Jan Hubicka <jh@suse.cz>
3431 PR rtl-optimization/28071
3432 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3433 (reg_set_in_bb, max_reg_computed): New static variables.
3434 (regmove_optimize): Free the new array.
3435 (fixup_match_1): Update call of reg_is_remote_constant_p.
3437 2006-07-26 Jan Hubicka <jh@suse.cz>
3439 PR tree-optimization/27882
3440 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3442 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3444 (cgraph_analyze_compilation_unit): Likewise.
3445 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3446 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3447 (cgraph_early_inlinine): Make order garbage collected.
3448 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3450 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3452 * dbxout.c (output_types_sort): Add a comment.
3453 (output_used_types): Free the VEC.
3455 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3457 * function.c (reorder_fix_fragments): Delete.
3458 (reorder_blocks): Don't call it.
3459 (reorder_blocks_1): Put all subblocks under the origin block.
3461 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3463 PR rtl-optimization/27907
3464 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3467 2006-07-25 Roger Sayle <roger@eyesopen.com>
3470 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3471 bar(x) check that bar's result type can represent all the values of T.
3473 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3475 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3477 2006-07-25 Nick Clifton <nickc@redhat.com>
3479 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3480 size_lookup[] array.
3481 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3482 (ggc_pch_count_object): Likewise.
3483 (ggc_pch_alloc_object): Likewise.
3484 (ggc_pch_write_object): Likewise.
3485 (init_ggc): Do not attempt to initialize entries in the
3486 size_lookup[] array for objects whose size is greater than than
3487 the length of the array.
3489 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3491 * dbxout.c (output_used_types_helper): Push queued types
3493 (output_types_sort): New.
3494 (output_used_types): Collect used types on a VEC and sort them
3497 2006-07-24 Richard Guenther <rguenther@suse.de>
3500 * cgraph.c (cgraph_remove_node): Do not check if dumps
3502 * cgraphunit.c (cgraph_optimize): Likewise.
3504 2006-07-24 Jan Hubicka <jh@suse.cz>
3506 PR rtl-optimization/28071
3507 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3508 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3509 splitting before first stmt.
3511 2006-07-24 Jan Hubicka <jh@suse.cz>
3513 PR rtl-optimization/28071
3514 * ipa-inline.c (update_caller_keys): Remove edges that
3515 are no longer inline candidates.
3517 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3520 * dbxout.c (output_used_types_helper, output_used_types): New.
3521 (dbxout_symbol): Call output_used_types.
3523 2006-07-23 Jan Hubicka <jh@suse.cz>
3527 * cgraph.c (cgraph_varpool_nodes): Export.
3528 (decide_is_variable_needed): Ignored "used" attribute in
3529 unit-at-a-time mode.
3530 * cgraph.h (cgraph_varpool_nodes): Declare.
3531 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3532 unit-at-a-time mode.
3534 2006-07-23 Roger Sayle <roger@eyesopen.com>
3537 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3538 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3539 the __gthrw form of thr_keycreate.
3540 (__gthread_key_delete): Silence the unused argument warning.
3542 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3545 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3546 Cache the last found '\0' marker to avoid quadratic behavior.
3548 2006-07-23 Jan Hubicka <jh@suse.cz>
3550 * i386.md (subsi_3_zext): Fix output template.
3552 2006-07-21 Mike Stump <mrs@apple.com>
3554 * doc/invoke.texi (C++ Dialect Options): Note that
3555 -fvisibility-inlines-hidden doesn't affect explicitly
3556 instantiationed inline methods.
3558 2006-07-20 Roger Sayle <roger@eyesopen.com>
3560 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3561 if the target assembler is GNU binutils' gas.
3562 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3563 whether to pass GNU gas or native as command line options.
3565 2006-07-20 Jason Merrill <jason@redhat.com>
3567 * tree.c (remove_attribute): New fn.
3568 * tree.h: Declare it.
3570 2006-07-20 Paul Brook <paul@codesourcery.com>
3573 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3574 they are invalidated by this instruction.
3576 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3579 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3581 2006-07-20 Eric Christopher <echristo@apple.com>
3584 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3586 2006-07-19 Eric Christopher <echristo@apple.com>
3588 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3589 Rewrite dependencies for libgcc_s.1.dylib.
3591 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3593 * except.c (duplicate_eh_regions_1): Clear next_peer.
3595 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3597 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3598 -mlongcall does not guarantee all calls will be long.
3599 * doc/extend.texi (long_call/short_call): Document that longcall
3600 does not guarantee a long call will be used.
3601 (longcall/shortcall): Likewise.
3603 2006-07-18 Roger Sayle <roger@eyesopen.com>
3606 * expmed.c (expand_shift): Additionally check that the shift_cost
3607 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3608 before implementing a LSHIFT_EXPR as a sequence of additions.
3609 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3610 middle-end that DImode shifts need to be synthesized by expand.
3612 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3615 * tree-ssa-operands.c (access_can_touch_variable): Update
3617 Return true if ALIAS is .GLOBAL_VAR.
3619 2006-07-18 David Daney <ddaney@avtrex.com>
3621 * gcc.c (display_help): Fix typo in help text.
3623 2006-07-18 Olivier Hainque <hainque@adacore.com>
3625 * tree.h (categorize_ctor_elements): Adjust prototype and add
3626 descriptive comment, both in accordance with the interface change
3628 * varasm.c (constructor_static_from_elts_p): New function.
3629 Whether a constructor node is a valid static constant initializer
3630 if all its elements are.
3631 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3632 * output.h: Declare it.
3633 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3634 is a valid constant initializer instead of computing the number of
3635 non-constant elements. Use constructor_static_from_elts_p for this
3636 purpose. Replace the head comment with an indication that this is a
3637 helper for categorize_ctor_elements.
3638 (categorize_ctor_elements): Same interface change as for the _1
3639 helper. Former head comment from this helper moved here, adjusted to
3640 account for the interface changes.
3641 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3642 (all_zeros_p): Likewise.
3643 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3644 static versions of the constructor from the categorize_ctor_elements
3645 return value instead of the formerly computed number of non-constant
3648 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3650 * configure: Regenerate.
3651 * Makefile.in (build_libsubdir): New configure substitution
3652 (build_libobjdir): New variable.
3653 (BUILD_LIBIBERTY): Use it.
3655 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3658 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3660 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3663 * c-common.c (handle_weakref_attribute): Ignore attribute in
3664 the same conditions the alias attribute is ignored.
3666 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3668 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3669 (dbxout_begin_prologue): Increment scope_labelno.
3671 2006-07-17 Richard Henderson <rth@redhat.com>
3674 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3677 2006-07-17 Roger Sayle <roger@eyesopen.com>
3678 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3680 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3681 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3682 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3683 functions such as sbrk, write, etc.. Add function prototypes.
3684 Convert function declarations from K&R to ISO C. Cast pointers
3685 to "long" and "unsigned long" instead of "int" and "unsigned int".
3686 Convert tokens following #endif into comments.
3688 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3690 * invoke.texi: Remove mention of f77; Reformat table for
3691 inline parameter options correctly; mention that -malign-double
3692 is default on x86-64 targets.
3694 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3696 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3697 (convert_affine_scev, chrec_convert_aggressive): Use
3698 avoid_arithmetics_in_type_p. Do not check for the subtypes
3701 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3704 * optabs.c (expand_doubleword_shift): Wrap the call to
3705 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3707 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3710 * optabs.c (expand_binop): Pass next_methods rather than methods
3711 to expand_doubleword_shift.
3713 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3716 * tree.h (dump_addr): Declare.
3717 * print-tree.c (dump_addr): New function.
3718 (print_node_brief, print_node): Use it.
3719 * print-rtl.c (print_rtx): Likewise.
3720 * common.opt (-fdump-noaddr): New option.
3721 * doc/invoke.texi (-fdump-noaddr): Document.
3722 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3723 (ve_info_hash): Likewise.
3725 2006-07-13 Andrew Haley <aph@redhat.com>
3727 PR tree-optimization/19505
3728 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3729 edge leaving this block, make sure that the destination of this
3730 block has only one predecessor.
3732 2006-07-17 Richard Guenther <rguenther@suse.de>
3734 PR tree-optimization/28238
3735 * tree-inline.c (copy_bb): Check if we produced valid
3736 gimple copying and substituting a stmt. If not, gimplify
3739 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3741 * optabs.c (maybe_encapsulate_block): New function extracted from...
3742 (emit_libcall_block): ...here. Invoke it on the block of insns to
3743 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3744 (emit_no_conflict_block): Likewise.
3746 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3748 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3750 2006-07-15 Roger Sayle <roger@eyesopen.com>
3752 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3753 a new NOP_EXPR case of the switch statement.
3755 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3758 * stor-layout.c (place_field): Take the bit field with
3759 an excessive size into account in the ms-bitfiled case.
3762 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3763 the previous bit field.
3765 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3768 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3770 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3772 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3773 signal frames correctly even when the signal was installed with
3776 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3778 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3779 (dbxout_function_end): Use local label LFBB. Remove hook
3781 (dbxout_source_line): Use local label LFBB.
3782 (dbxout_block): Likewise.
3783 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3784 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3785 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3786 and DBX_OUTPUT_NFUN.
3788 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3790 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3792 2006-07-13 Jan Hubicka <jh@suse.cz>
3794 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3796 * output.h (align_variable): Declare.
3797 * varasm.c (align_variable): Export.
3798 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3799 when basic block changed.
3801 2006-07-13 Nick Clifton <nickc@redhat.com>
3803 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3804 walking the LOG_LINKS chain.
3806 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3808 * doc/invoke.texi (C++ Dialect Options): Explain difference
3809 between -fvisibility-inlines-hidden and setting hidden
3810 visibility explicitly.
3812 2006-07-12 Eric Christopher <echristo@apple.com>
3814 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3815 (stmp-lipo): Depend on libgcc.a.
3817 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3819 * tree.c: Fix a comment typo.
3821 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3823 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3825 (umulhisi3_r): Likewise.
3827 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3830 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3831 x < 19, vs wchar_t support.
3833 2006-07-12 Nick Clifton <nickc@redhat.com>
3835 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3836 instead of -isa=sh4.
3838 2006-07-12 Mike Stump <mrs@apple.com>
3840 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3842 2006-07-10 Eric Christopher <echristo@apple.com>
3844 * config/t-slibgcc-darwin: Rewrite.
3846 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3849 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3852 2006-07-08 Matthias Klose <doko@debian.org>
3854 * doc/sourcebuild.texi: Fix typo.
3856 2006-07-07 Mike Stump <mrs@apple.com>
3858 * toplev.c (process_options): Don't give -ffunction-sections may
3859 affect debugging warning for Mach-O.
3861 2006-07-07 James E Wilson <wilson@specifix.com>
3863 * config/mips/mips.md (cpu): Add sb1a.
3864 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3865 addition to sb1. Adjust comments to clarify SB-1A differences from
3867 (ir_sb1a_load): New. Modify bypasses to use it.
3868 (ir_sb1a_simple_alu): Likewise.
3869 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3870 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3871 (mips_issue_rate): Add PROCESSOR_SB1A.
3872 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3873 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3874 (TARGET_SB1): Add PROCESSOR_SB1A check.
3875 (TUNE_SB1): Likewise.
3877 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3878 * config/mips/mips.c (mips_store_data_bypass_p): New.
3879 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3880 store_data_bypass_p.
3882 2006-07-08 Paul Brook <paul@codesourcery.com>
3885 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3887 2006-07-07 Richard Guenther <rguenther@suse.de>
3890 * tree.h (build_one_cst): Declare.
3891 * tree.c (build_one_cst): New function.
3892 * tree-ssa-math-opts.c (get_constant_one): Remove.
3893 (insert_reciprocals): Use build_one_cst.
3894 * fold-const.c (fold_plusminus_mult): Likewise.
3896 2006-07-07 Roger Sayle <roger@eyesopen.com>
3898 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3899 * cfgloopanal.c (dump_graph): Likewise.
3900 * dojump.c (discard_pending_stack_adjust): Likewise.
3901 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3903 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3904 * function.c (finalize_block_changes): Likewise.
3905 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3906 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3907 * rtl.c (dump_rtx_statistics): Likewise.
3908 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3910 * varray.c (dump_varray_statistics): Likewise.
3911 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3912 decode_decimal64, encode_decimal128, decode_decimal128,
3913 decimal_real_to_decimal): Likewise.
3915 2006-07-07 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/28187
3918 * tree-vrp.c (vrp_operand_equal_p): New function.
3919 (vrp_bitmap_equal_p): Likewise.
3920 (update_value_range): Use them to compare old and new
3923 2006-07-06 Roger Sayle <roger@eyesopen.com>
3925 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3926 a default case to switch statement to silence compiler warnings.
3928 2006-07-06 Roger Sayle <roger@eyesopen.com>
3931 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3932 the configured assembler supports the x87's ffreep mnemonic.
3933 * configure: Regenerate.
3934 * config.in: Regenerate.
3936 * config/i386/i386.c (output_387_ffreep): New function.
3937 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3938 (output_387_reg_move): Likewise.
3940 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3942 Port to hosts whose 'sort' and 'tail' implementations
3943 treat operands with leading '+' as file names, as POSIX
3944 has required since 2001. However, make sure the code still
3945 works on pre-POSIX hosts.
3946 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3947 which says you should use "tail -c +N" rather than "tail +Nc".
3948 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3950 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3952 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3955 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3958 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3959 PRE_{INC,DEC} of TFmode.
3961 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3962 Alan Modra <amodra@bigpond.net.au>
3965 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3968 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3971 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3972 Remove duplicate gtu.
3974 2006-07-05 Jason Merrill <jason@redhat.com>
3978 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3979 * c-common.c (handle_packed_attribute): So don't copy it here.
3980 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3982 2006-07-05 Mike Stump <mrs@apple.com>
3984 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3986 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3989 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3991 2006-07-05 Richard Guenther <rguenther@suse.de>
3994 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3995 TARGET_SSE2 targets if using SSE math.
3996 (*absdf2_1): Likewise.
3998 2006-07-05 Richard Guenther <rguenther@suse.de>
4000 PR tree-optimization/28162
4001 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4002 make sure to convert the operands to the correct type.
4004 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4006 PR tree-optimization/28218
4008 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4009 to calculate and free the dominator information.
4011 2006-07-04 Peter O'Gorman <peter@pogma.com>
4013 * mklibgcc.in: chmod 644 before ranlib during install.
4015 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4016 J"orn Rennecke <joern.rennecke@st.com>
4018 * configure.ac (.eh_frame data check): Use diff -b.
4020 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4023 * Makefile.in (BUILD_RTL): Add build/vec.o.
4024 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4025 (build/genextract): Delete.
4026 (build/genautomata): Likewise.
4028 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4031 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4032 128-bit IBM long doubles for ABI_V4.
4034 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4036 * tree.c (range_in_array_bounds_p): New predicate.
4037 * tree.h (range_in_array_bounds_p): Declare it.
4038 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4039 return a less conservative answer.
4040 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4041 and flag 'is_group'.
4042 (IS_ELEMENT_FOR_GROUP): New macro.
4043 (FOR_EACH_ACTUAL_CHILD): Likewise.
4044 (next_child_for_group): New helper function.
4045 (can_completely_scalarize_p): Take into account groups.
4046 (sra_hash_tree): Handle RANGE_EXPR.
4047 (sra_elt_eq): Likewise.
4048 (lookup_element): Be prepared for handling groups.
4049 (is_valid_const_index): Delete.
4050 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4051 instead of is_valid_const_index.
4052 <ARRAY_RANGE_REF>: New case.
4053 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4054 is_valid_const_index.
4055 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4056 (scan_dump): Dump info for groups too.
4057 (decide_instantiation_1): Likewise.
4058 (decide_block_copy): Assert that the element is not a group.
4059 Propagate decision to groups.
4060 (generate_one_element_ref): Handle RANGE_EXPR.
4061 (mark_no_warning): Iterate over actual childs.
4062 (generate_copy_inout): Likewise.
4063 (generate_element_copy): Likewise.
4064 (generate_element_zero): Likewise.
4065 (generate_element_init_1): Likewise.
4066 (dump_sra_elt_name): Handle RANGE_EXPR.
4068 2006-07-03 Roger Sayle <roger@eyesopen.com>
4070 PR tree-optimization/26251
4071 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4072 (thread_block): When optimizing for size refuse to thread jumps
4073 that would require duplication of blocks other than redirection
4076 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4078 * configure.ac: Fix thinko in previous check-in.
4079 * configure: Regenerate.
4081 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4084 * configure.ac (for lang...): Simplify nesting of conditionals.
4085 Test subdir_requires for non-enabled languages. Move processing
4086 of lang_opt_files and lang_tree_fiels below that test.
4087 * configure: Regenerate.
4088 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4090 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4092 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4094 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4096 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4099 2006-06-29 Jason Merrill <jason@redhat.com>
4106 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4107 * c-common.c (c_determine_visibility): Handle it here.
4108 * c-decl.c (finish_decl): Call c_determine_visibility for
4110 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4112 * varasm.c (default_assemble_visibility): Likewise.
4113 * c-common.c (handle_visibility_attribute): Complain about trying
4114 to give visibility to an already defined class, or trying to change
4115 declared visibility. Always attach the attribute.
4120 * attribs.c (decl_attributes): Ignore type-in-place attributes
4121 once the type has been defined.
4123 2006-06-29 Roger Sayle <roger@eyesopen.com>
4126 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4127 to indicate the cpplib has issued an error message for us.
4129 2006-06-29 Asher Langton <langton2@llnl.gov>
4132 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4133 insert a label at the end of an function under Mach-O.
4135 2006-06-29 Eric Christopher <echristo@apple.com>
4136 Evan Cheng <evan.cheng@apple.com>
4138 * predicates.md (vector_all_ones_operand): New.
4139 (nonimmediate_or_sse_const_operand): Ditto.
4140 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4141 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4142 (standard_sse_mode_p): Ditto.
4143 (standard_sse_constant_p): Add case for -1 vector.
4144 (ix86_expand_vector_move): Try to use.
4145 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4146 Call standard_sse_constant_opcode.
4147 (*movv4sf_internal): Ditto.
4148 (*movv2df_internal): Ditto.
4150 2006-06-29 Roger Sayle <roger@eyesopen.com>
4152 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4153 of XEXP to extract the operands of a MATCH_CODE rtx.
4155 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4157 * tree.c (tree_size): Do not waste tail padding in
4158 struct tree_string and make the size be the same as
4159 build_string will generate.
4161 2006-06-28 Jason Merrill <jason@redhat.com>
4164 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4165 may_aliases already in the tag's annotations to the bitmap.
4167 2006-06-28 Roger Sayle <roger@eyesopen.com>
4169 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4171 2006-06-28 Roger Sayle <roger@eyesopen.com>
4173 * genpreds.c (generate_switch_p): New function.
4174 (add_mode_tests): Push the new mode test down inside an AND expr
4175 if this allows the switch-suitable MATCH_CODE to be near the root.
4176 (write_match_code_switch): New function to write a MATCH_CODE as
4178 (write_predicate_stmts): New function to write a predicate RTX
4179 expression as a sequence of statements.
4180 (write_one_predicate_function): Use write_predicate_stmts.
4181 (write_tm_constrs_h): Likewise.
4183 2006-06-26 Fred Fish <fnf@specifix.com>
4185 * config/mips/t-sb1: New file.
4186 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4189 2006-06-26 DJ Delorie <dj@redhat.com>
4191 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4193 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4194 Jayant Sonar <jayants@kpitcummins.com>
4195 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4197 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4198 (subsi3, subsi3_1, subsi3_2): New.
4199 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4200 * config/m32c/mov.md (SI mov peephole): New.
4201 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4202 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4204 2006-06-26 Olivier Hainque <hainque@adacore.com>
4206 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4207 a CALL_EXPR target function declaration.
4209 2006-06-26 Richard Guenther <rguenther@suse.de>
4211 * tree.c (build_string): Do not waste tail padding in
4214 2006-06-26 Richard Guenther <rguenther@suse.de>
4216 * ggc-page.c (init_ggc): Add missing element to size_lookup
4220 2006-06-23 Richard Guenther <rguenther@suse.de>
4222 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4223 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4224 alignment requests instead. Add verification code.
4225 Add struct tree_function_decl and struct tree_binfo size to
4226 extra_order_size_table. Add missing element to size_lookup
4229 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4232 * fold-const.c (const_binop): Be prepared for self returning zero.
4233 Simplify code handling complex values.
4235 2006-06-24 Olivier Hainque <hainque@adacore.com>
4237 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4238 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4241 2006-06-24 Olivier Hainque <hainque@adacore.com>
4243 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4244 ARRAY_REF, so have the callback called for the low bound expression.
4246 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4248 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4249 * c-typeck.c (c_common_type): Disallow operations on decimal float
4250 types and other float types.
4251 * convert.c (convert_to_real): Don't ignore conversions involving
4252 decimal float types.
4254 2006-06-23 Olivier Hainque <hainque@adacore.com>
4256 * tree.c (max_int_size_in_bytes): New function, inspired from
4257 code in function.c:assign_temp.
4258 * tree.h (max_int_size_in_bytes): Declare.
4259 * function.c (assign_temp): Use it.
4260 * gimplify.c (create_tmp_var): Relax the assertions on the type
4261 properties, not mandating constant size any more.
4262 (force_constant_size): New static function.
4263 (gimple_add_tmp_var): Use it, forcing variable size to a
4264 constant upper bound if it is not constant on entry.
4266 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4269 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4270 for initialization and setting of one_only flag to ...
4271 (i386_pe_encode_section_info): ...here.
4272 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4273 Recheck that the symbol has not been defined.
4275 2006-06-23 Richard Guenther <rguenther@suse.de>
4277 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4278 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4279 alignment requests instead. Add verification code.
4280 Add struct tree_function_decl and struct tree_binfo size to
4281 extra_order_size_table. Add missing element to size_lookup
4284 2006-06-22 Roger Sayle <roger@eyesopen.com>
4285 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4288 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4289 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4291 2006-06-23 Ben Elliston <bje@au.ibm.com>
4293 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4294 negate dn -- manipulate it directly.
4296 2006-06-22 Roger Sayle <roger@eyesopen.com>
4297 Steven Bosscher <stevenb.gcc@gmail.com>
4300 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4301 generated by gen_move_insn to add REG_LABEL notes if necessary.
4303 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4305 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4306 (leaf_entry): Remove use of MIN_ESA.
4308 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4310 PR rtl-optimization/28121
4311 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4314 2006-06-21 DJ Delorie <dj@redhat.com>
4316 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4318 (mulhisi3_r): Likewise.
4320 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4323 * coverage.c (coverage_counter_alloc): Leave the index type
4325 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4328 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4330 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4331 section from the "Options for Code Generation Conventions".
4333 2006-06-21 Richard Henderson <rth@redhat.com>
4337 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4339 (global_symbolic_operand): Allow weak symbols, even if local_p.
4341 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4343 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4344 (find_interesting_uses_address): Punt if above function returns true.
4346 2006-06-21 Richard Guenther <rguenther@suse.de>
4348 * configure: Regenerated.
4350 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4352 * config/mips/mips.c (function_arg): Where one part of a
4353 complex argument is in registers and the other part in the stack,
4354 return a REG not a PARALLEL.
4356 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4358 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4359 when cross-compiling. Do not substitute libstdcxx_incdir.
4360 * configure: Regenerated.
4362 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4364 * varasm.c (mergeable_string_section): Check for embedded NULs and
4365 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4366 rather than TREE_STRING_LENGTH bytes.
4368 2006-06-21 Richard Guenther <rguenther@suse.de>
4370 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4371 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4374 2006-06-21 Richrad Guenther <rguenther@suse.de>
4376 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4377 Limit iteration over the dominators.
4379 2006-06-20 Roger Sayle <roger@eyesopen.com>
4381 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4382 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4384 2006-06-20 Richard Guenther <rguenther@suse.de>
4385 Michael Matz <matz@suse.de>
4387 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4389 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4390 * et-forest.h (et_free_pools): Prototype new function.
4391 * et-forest.c (et_free_tree_force): Free parent occurrence.
4392 (et_free_pools): New function.
4393 * dominance.c (free_dominance_info): Free et-forest alloc
4396 2006-06-20 Roger Sayle <roger@eyesopen.com>
4398 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4399 integer modes, attempt to directly construct an integer constant.
4401 * fold-const.c (native_encode_vector): Determine the size of each
4402 element from the vector type instead of the first vector element.
4404 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4405 if all of its elements/components are constant.
4406 (build_constructor_from_list): Likewise.
4408 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4410 PR tree-optimization/27331
4411 * tree-data-ref.c (free_data_ref): New function.
4412 (create_data_ref): Fail if the data reference has unknown access
4414 (free_data_refs): Use free_data_ref.
4416 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4419 * tree-inline.c (setup_one_parameter): Strip useless
4420 type conversion before adding it to the IR.
4421 (declare_return_variable): Likewise.
4423 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4426 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4428 2006-06-19 Mike Stump <mrs@apple.com>
4430 * tree.c (variably_modified_type_p): VM arguments don't make the
4433 2006-06-19 Richard Guenther <rguenther@suse.de>
4435 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4436 type conversions after folding.
4438 2006-06-19 Richard Guenther <rguenther@suse.de>
4440 * ggc-page.c (extra_order_size_tab): Add entries with
4441 size of struct function and basic_block.
4442 (size_lookup): Extend to cover sizes up to 511.
4443 (ggc_alloc_stat): Adjust user.
4444 (ggc_pch_count_object): Likewise.
4445 (ggc_pch_alloc_object): Likewise.
4446 (ggc_pch_write_object): Likewise.
4448 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4450 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4451 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4454 2006-06-19 Denis Chertykov <denisc@overta.ru>
4456 * config/avr/libgcc.S : Correct my wrong previous commit.
4458 2006-06-19 Roger Sayle <roger@eyesopen.com>
4461 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4462 have stripped a SUBREG from the shift count, so we may need to
4463 convert_to_mode back to the type's mode before calling make_tree.
4464 Use new_amount instead of amount to avoid expanding a tree twice.
4466 2006-06-19 Richard Guenther <rguenther@suse.de>
4469 * fold-const.c (operand_equal_p): Check if the argument types
4470 have the same precision before stripping NOPs.
4472 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4474 Fix PR tree-optimization/27341
4475 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4477 * tree-complex.c (pass_lower_complex): Update SMT usage.
4479 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4481 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4482 Add a new alternative to the constraint strings. Add move of
4483 operand 1 to 3 to the splitter definition.
4484 ("doloop_si_long"): Second contraint alternative removed.
4486 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4488 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4489 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4491 (AVR_HAVE_MOVW) Define.
4492 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4493 (ASM_SPEC): Add avr25.
4494 (LINK_SPEC): Add avr25.
4495 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4496 (base_arch_s): Add new member 'have_movw_lpmx'.
4497 (avr_arch_types): Init 'have_movw_lpmx'.
4498 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4499 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4500 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4501 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4502 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4504 (avr_file_start): Do not output '.arh' derective.
4505 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4506 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4507 * config/avr/avr.md (mcu_enhanced): Delete.
4508 (mcu_have_movw): Define.
4509 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4510 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4511 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4512 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4513 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4514 attiny861 and at86rf401 devices.
4516 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4518 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4521 2006-06-17 Karl Berry <karl@gnu.org>
4523 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4524 doc/gccint.texi, doc/install.texi (@dircategory): Use
4525 "Software development" instead of "Programming", following
4526 the Free Software Directory.
4528 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4530 * config/i386/i386.c (legitimate_tls_address)
4531 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4532 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4533 (*tls_dynamic_gnu2_combine_64): Likewise.
4535 2006-06-16 Richard Guenther <rguenther@suse.de>
4538 * fold-const.c (negate_expr_p): Do not introduce undefined
4539 overflow in negating INTEGER_CSTs.
4540 (fold_negate_expr): Rename from negate_expr. Revert last
4541 change for folding BIT_NOT_EXPR. Change semantics to
4542 return NULL_TREE for non-simplified negations. Do not
4543 strip type conversions and unify type handling.
4544 (negate_expr): New function, wrap around fold_negate_expr
4545 but ensure building a tree always. Strip type conversions
4546 here, fold to result type.
4547 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4549 2006-06-16 Roger Sayle <roger@eyesopen.com>
4552 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4553 that (would) return their results in stack registers.
4555 2006-06-16 Michael Matz <matz@suse.de>
4556 Richard Guenther <rguenther@suse.de>
4558 * fold-const.c (fold_truthop): Only return new tree node if
4559 we canonicalized something.
4561 2006-06-16 Richard Guenther <rguenther@suse.de>
4563 * function.h (enum function_frequency): Move declaration
4564 out of struct function.
4565 (struct function): Move bool fields and the enum to the bitfield
4566 section. Reorder elements to avoid padding. Remove unused
4567 fields left over from the RTL inliner removal.
4568 * function.c (free_after_compilation): Do not zero removed fields.
4569 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4570 (ipa-type-escape.o): Likewise.
4572 2006-06-16 Richard Guenther <rguenther@suse.de>
4574 * cgraph.h (struct cgraph_local_info): Turn bool elements
4576 (struct cgraph_node): Likewise.
4577 (struct cgraph_varpool_node): Likewise.
4579 2006-06-15 Richard Guenther <rguenther@suse.de>
4581 * fold-const.c (fold_truth_not_expr): Rename from
4582 invert_truthvalue. Give it fold_* semantics to avoid
4584 (invert_truthvalue): New function. Wrapper around
4585 fold_truth_not_expr.
4586 (optimize_minmax_comparison): Avoid creating garbage.
4587 (fold_unary): Use fold_truth_not_expr for folding
4589 (fold_ternary): Replace uses of invert_truthvalue with
4590 fold_truth_not_expr where applicable.
4591 * tree.h (fold_truth_not_expr): Prototype.
4593 2006-06-16 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/27781
4596 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4597 * ipa-pure-const.c (target.h): Include.
4598 (analyze_function): Do not analyze functions that do not
4601 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4604 * tree-dfa.c (referenced_vars_dup_list): Remove.
4605 (find_referenced_vars): Remove assert.
4606 (referenced_var_check_and_insert): Replace dup list with assert.
4607 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4608 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4610 2006-06-15 Richard Guenther <rguenther@suse.de>
4612 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4613 extra unused identifiers if not dumping.
4614 (create_variable_info_for): Likewise.
4616 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4618 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4619 (derive_constant_upper_bound): Derive more precise upper bound in
4620 common cases. Return type changed to double_int.
4621 (record_estimate): Reflect the changed return type of
4622 derive_constant_upper_bound.
4623 * double-int.c (double_int_zext, double_int_sext): Fix.
4625 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4627 * configure.ac (CFLAGS): Get them from the toplevel or from the
4628 configure invocation.
4629 * configure: Regenerate.
4630 * Makefile.in (CFLAGS): Substitute value provided by configure.
4632 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4635 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4636 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4637 rather than calling add_stmt on it.
4638 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4640 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4643 * reload1.c (reload): Remove registers returned by update_eliminables
4644 from used_spill_regs.
4646 2006-06-13 DJ Delorie <dj@redhat.com>
4648 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4650 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4652 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4653 html__strip_dir, html__mkdir_p. Enhance install-html target.
4654 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4655 * configure: Regenerate.
4657 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4659 * fold-const.c (fold_cond_expr_with_comparison): Check for
4660 Objective-C++ as language in deciding COND_EXPR transformation.
4662 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4665 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4666 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4667 * config/sh/lib1funcs.h (SL, SL1): Define.
4668 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4669 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4670 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4671 (OBJS_Os_4_200): New variable.
4672 ($(T)libgcc-Os-4-200.a): Use it.
4673 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4674 when dividing 1 and/or by 0.
4676 2006-06-13 Roger Sayle <roger@eyesopen.com>
4678 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4679 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4680 * configure: Regenerate.
4682 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4684 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4685 for real instruction.
4687 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4690 * haifa-sched.c (check_cfg): Handle special case.
4692 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4695 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4696 Add debug_info parameter. Chain the vars to the BLOCK instead
4697 of the BIND_EXPR if debug info are requested for them.
4698 (pop_gimplify_context): Adjust for above change.
4699 (gimple_add_tmp_var): Likewise.
4700 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4702 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4703 (convert_local_reference): Likewise.
4704 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4705 (finalize_nesting_tree_1): Request that debug info be emitted
4706 for debug_var_chain.
4708 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4710 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4711 for PR target/27863.
4713 2006-06-13 Richard Guenther <rguenther@suse.de>
4716 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4718 2006-06-13 Richard Guenther <rguenther@suse.de>
4720 PR tree-optimization/27830
4721 * tree-inline.c (copy_body_r): For copying the operand
4722 of an ADDR_EXPR make sure to fold &* afterwards.
4724 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4726 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4727 lvalues in the fb_none case with side-effects.
4729 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4731 * tree-flow.h: Remove the prototype for
4732 compute_phi_arg_on_exit.
4733 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4734 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4737 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4739 * builtins.c (expand_builtin_return_addr): Only use
4740 frame_pointer_rtx when count == 0 and we are expanding
4741 __builtin_return_address.
4743 2006-06-12 Fred Fish <fnf@specifix.com>
4745 * config/mips/mips.c (mips_file_start): Create special section
4746 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4748 2006-06-11 Eric Christopher <echristo@apple.com>
4751 * stor-layout.c (place_field): Remove check for
4752 remaining_in_alignment when aligning at the end of a run.
4754 2006-06-11 Eric Christopher <echristo@apple.com>
4757 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4760 2006-06-11 Roger Sayle <roger@eyesopen.com>
4763 Revert incorrect fix for PR target/27158
4764 2006-05-08 Roger Sayle <roger@eyesopen.com>
4765 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4766 of a reg_equiv_constant if the result is a legitimate constant.
4768 2006-06-11 Roger Sayle <roger@eyesopen.com>
4771 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4772 extract a CONST_VECTOR element and interpret it as an integer.
4773 (vspltis_constant): Use const_vector_elt_as_int instead of the
4774 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4775 * config/rs6000/predicates.md (easy_vector_const): Consider
4776 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4778 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4781 * stor-layout.c (update_alignment_for_field): Don't add extra
4782 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4785 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4787 * config/mips/t-rtems: Add EL/EB multilib variants.
4789 2006-06-09 Mike Stump <mrs@apple.com>
4791 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4793 2006-06-09 David Daney <ddaney@avtrex.com>
4795 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4797 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4799 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4801 2006-06-09 Richard Guenther <rguenther@suse.de>
4803 PR tree-optimization/26998
4804 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4805 of signed types, only TYPE_MIN_VALUE is special, but for both,
4806 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4807 in this case, as is -fwrapv.
4809 2006-06-08 Mike Stump <mrs@apple.com>
4812 * config/darwin.c (darwin_asm_output_anchor): Disable
4813 -fsection-anchors on darwin for now.
4814 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4815 * rs6000/rs6000.c (optimization_options): Likewise.
4817 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4820 * config/i386/i386.c (classify_argument): Skip fields with invalid
4823 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4825 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4826 (cse_insn): Likewise for the stack_pointer_rtx.
4828 2006-06-08 Roger Sayle <roger@eyesopen.com>
4830 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4831 conditions from floating point comparisons.
4833 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4836 * expmed.c (struct alg_hash_entry): Fix type of field T
4837 to match synth_mult argument.
4838 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4840 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4843 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4846 2006-06-08 Richard Guenther <rguenther@suse.de>
4849 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4850 only, if overflow is defined and not trapping.
4851 (negate_expr): Likewise.
4853 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4855 PR tree-optimization/27872
4856 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4857 flag on the new exit edge of the unrolled loop.
4859 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4861 PR rtl-optimization/26449
4862 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4864 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4867 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4868 referenced_variables with matching DECL_UID's.
4869 (find_referenced_vars): Make sure duplicate list is empty to start.
4870 (referenced_var_p): Remove.
4871 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4872 Check if var is in the list, and add if needed. Update the duplicate
4873 list if a different var is in the list with the same DECL_UID.
4874 (add_referenced_var): Call routine to check and insert.
4875 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4876 * tree-flow.h (referenced_vars_dup_list): External declaration.
4878 2006-06-07 Fred Fish <fnf@specifix.com>
4880 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4883 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4886 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4887 the imaginary and real parts of a clobbered register.
4888 Emit insn to set the imaginary part.
4890 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4892 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4893 in lieu of unwind-dw2-fde.c.
4895 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4897 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4899 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4902 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4903 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4904 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4905 V4SImode temporaries and operations instead.
4907 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4909 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4912 2006-06-06 Mike Stump <mrs@apple.com>
4914 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4915 installing during build.
4917 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4919 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4921 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4922 * config/ia64/ia64.c (params.h): New header.
4923 (ia64_optimization_options): New function to adjust parameters.
4924 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4925 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4926 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4928 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4930 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4932 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4935 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4937 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4938 Victor Kaplansky <victork@il.ibm.com>
4940 PR tree-optimization/26360
4941 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4944 2006-06-04 Roger Sayle <roger@eyesopen.com>
4945 Andrew Pinski <pinskia@physics.uc.edu>
4948 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4949 for LABEL_DECL before calling DECL_WEAK.
4952 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4953 LABEL_DECL and PARM_DECL.
4955 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4959 * c-decl.c (grokdeclarator): Disallow variably modified types at
4960 file scope. Avoid marking shared array type of constant size as
4963 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4966 * c-common.c (fold_offsetof_1): Handle static members.
4968 2006-06-04 Eric Christopher <echristo@apple.com>
4970 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4971 (debug_rli): Output value for remaining_in_alignment.
4972 (update_alignment_for_field): Unconditionalize
4973 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4974 extra alignment code.
4975 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4976 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4977 * tree.h (record_layout_info_s): Remove prev_packed.
4978 * doc/extend.texi (ms_struct): Add documentation of format.
4980 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4982 * tree.h: Declare folding_initializer.
4983 * builtins.c (fold_builtin_constant_p): Give definite answer
4984 if folding inside an initializer.
4985 * fold-const.c: Define folding_initializer.
4986 (START_FOLD_INIT): Save and then set folding_initializer.
4987 (END_FOLD_INIT): Restore folding_initializer.
4989 2006-06-04 Richard Guenther <rguenther@suse.de>
4991 PR tree-optimization/27039
4992 * fold-const.c (fold_comparison): Handle pointer comparison
4993 again for all comparison codes. Compare offsets in signed
4995 (fold_binary): Move code from here.
4997 2006-06-03 Roger Sayle <roger@eyesopen.com>
5000 * config/i386/i386.c (construct_container): Split static issued_error
5001 flag into issued_sse_arg_error, issued_sse_ret_error and
5002 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5003 requires the use of x87 registers and the user explicitly
5004 specified the -mno-80387 command line option.
5006 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5008 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5009 HAVE_DECL_SIGALTSTACK.
5011 (segv_handler): Use MC_FLD.
5012 * configure.ac: Check for a sigaltstack declaration.
5013 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5014 * configure: Regenerate.
5015 * config.in: Regenerate.
5017 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5020 * Makefile.in (stmp-fixinc): Fix typo.
5022 2006-06-02 Roger Sayle <roger@eyesopen.com>
5024 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5025 are type correct. Clean-up.
5026 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5027 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5029 2006-06-01 DJ Delorie <dj@redhat.com>
5031 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5032 shift, as we've disabled the "switch" insn that needs it.
5034 2006-06-01 Per Bothner <bothner@bothner.com>
5036 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5037 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5038 * c-ppoutput.c (cb_define): Don't increment line 0.
5040 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5042 * doc/invoke.texi: Add cpu_type power6.
5043 * config.gcc: Add cpu_type power6.
5044 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5045 to power5+ with Altivec.
5046 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5047 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5049 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5051 * config/avr/avr.h (SET_ASM_OP): Define.
5053 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5055 * config/bfin/bfin.c: Fix comment typos.
5057 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5060 * doc/install.texi: Document --enable-bootstrap and
5061 --disable-bootstrap.
5063 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5065 * doc/install.texi: Document that InfoZIP can replace jar.
5067 2006-05-31 Roger Sayle <roger@eyesopen.com>
5069 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5070 isn't available, directly generate the simpler x87 patterns without
5071 the (use (const_int 0)).
5072 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5073 implementation isn't available.
5074 (*negdf2_1): Likewise.
5075 (*negxf2_1): XF mode negation is always done using the x87.
5076 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5078 2006-05-31 Roger Sayle <roger@eyesopen.com>
5080 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5081 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5083 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5085 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5087 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5088 * config/bfin/bfin.c (basic-block.h): Include.
5089 (struct machine_function): New.
5090 (bfin_init_machine_status): New.
5091 (override_options): Initialize init_machine_status.
5092 (bfin_hardware_loop): New.
5093 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5094 (DEF_VEC_P (loop_info)): New.
5095 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5096 (struct loop_info): New.
5097 (loop_info): New typedef.
5098 (struct loop_work): New.
5099 (loop_work): New typedef.
5100 (DEF_VEC_O (loop_work)): New.
5101 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5102 (bfin_dump_loops): New.
5103 (bfin_bb_in_loop): New.
5104 (bfin_scan_loop): New.
5105 (bfin_optimize_loop): New.
5106 (bfin_reorg_loops): New.
5107 (bfin_reorg): Use bfin_reorg_loops.
5108 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5110 (I_REGNO_P): Simplify.
5111 (DP_REGNO_P, DPREG_P): New macros.
5112 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5113 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5114 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5115 Add LT_REGS, LC_REGS, LB_REGS.
5116 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5118 (REGNO_REG_CLASS): Deal with loop registers.
5119 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5121 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5122 New constants for loop registers.
5123 (UNSPEC_LSETUP_END): New.
5124 (seq_insns): New define_attr. Set it for appropriate insns.
5125 (movsi_insn): Add alternatives for move from/to
5126 loop count registers.
5127 (doloop_end): New define_expand.
5128 (loop_end): New define_insn.
5129 (define_split for bad doloop_end): New.
5130 (lsetup_with_autoinit): New define_insn.
5131 (lsetup_without_autoinit): New define_insn.
5132 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5133 * config/bfin/predicates.md (lc_register_operand): New.
5134 (lt_register_operand): New.
5135 (lb_register_operand): New.
5136 (nondp_register_operand): New.
5137 (nondp_reg_or_memory_operand): New.
5138 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5140 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5142 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5143 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5145 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5147 * Makefile.in (CATALOGS): Add po/ prefix.
5148 * configure: Regenerated.
5150 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5153 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5154 a shift operand before calling shift_op. Avoid redundant call of
5157 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5158 DJ Delorie <dj@redhat.com>
5160 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5161 we're inserting is a singlt-bit constant.
5163 2006-05-30 Roger Sayle <roger@eyesopen.com>
5165 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5166 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5168 2006-05-30 Roger Sayle <roger@eyesopen.com>
5170 PR tree-optimization/23452
5171 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5172 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5173 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5174 complex values and with -ffast-math for FP complex values.
5176 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5178 * c-common.h: Remove the prototype for yyparse.
5179 * rtl.h: Remove the prototype for init_loop.
5181 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5183 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5186 2006-05-30 Roger Sayle <roger@eyesopen.com>
5188 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5190 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5191 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5193 2006-05-30 Dirk Mueller <dmueller@suse.de>
5196 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5197 for CONSTANT_CLASS_P expresisons.
5199 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5202 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5204 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR tree-optimization/27779
5207 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5208 initial_condition instead of CHREC_LEFT.
5210 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5212 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5213 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5214 Make prototypes ISO C90.
5216 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5217 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5219 * see.c (see_analyze_one_def): Correct check.
5220 (see_get_extension_data): Check if extension is parallel.
5221 (see_get_extension_reg): Likewise.
5223 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5226 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5227 into register for (code == GTU).
5229 2006-05-29 Roger Sayle <roger@eyesopen.com>
5231 PR tree-optimization/24964
5232 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5233 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5234 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5235 abs(x)*abs(x) as x*x for scalar floating point modes.
5237 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5240 * lambda-code.c (perfect_nestify): Don't copy statements
5241 in the inner loop: move them to the inner loop header.
5243 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5246 * c-tree.texi: Document OpenMP directives and clauses.
5248 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5250 * varasm.c (globalize_decl): Fix indentation.
5252 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5255 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5256 pass_fre, pass_store_ccp, pass_copy_prop,
5257 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5258 pass_return_slot, pass_object_size, pass_lim,
5259 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5260 pass_loop_prefetch and pass_stdarg.
5262 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5264 * config/bfin/bfin.opt (mfdpic): New option.
5265 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5266 (EXTRA_MULTILIB_PARTS): Likewise.
5267 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5268 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5270 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5271 (CRT_CALL_STATIC_FUNCTION): New.
5272 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5274 (CRT_CALL_STATIC_FUNCTION): New.
5275 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5277 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5278 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5279 (initialize_trampoline): Changed to handle FD-PIC code generation.
5280 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5281 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5282 (override_options): Disallow -mid-shared-library -mfdpic combination.
5283 Can't do unaligned ops if FD-PIC.
5284 Turn off flag_pic if trying to generate non-id-shared-library
5285 non-fdpic code, since it's not supported.
5286 (bfin_assemble_integer): New function.
5287 (TARGET_ASM_INTEGER): Define.
5288 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5290 * config/bfin/crtn.s: Restore them.
5291 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5293 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5294 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5295 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5296 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5297 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5299 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5300 FDPIC_REGS and FDPIC_FPTR_REGS.
5301 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5302 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5303 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5304 (load_funcdescsi): New pattern.
5305 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5306 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5307 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5309 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5311 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5314 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5316 * tree-flow.h: Remove the prototype for add_type_alias.
5317 * tree-ssa-alias.c (add_type_alias): Remove.
5319 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5321 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5322 config/fr30/fr30.md, config/i386/i386-interix.h,
5323 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5324 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5325 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5326 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5327 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5328 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5329 Follow spelling conventions.
5330 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5331 Follow spelling conventions.
5333 2006-05-27 Richard Guenther <rguenther@suse.de>
5336 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5337 to produce a constant of value 1 of generic type.
5339 2006-05-27 Dirk Mueller <dmueller@suse.de>
5341 * cgraphunit.c (decide_is_function_needed): Fix wrong
5344 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5346 PR rtl-optimization/27661
5347 * reload.c (find_reloads): When reloading a VOIDmode constant
5348 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5349 use Pmode as mode of the reload register.
5351 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5353 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5354 is enabled at -O and above.
5356 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5359 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5362 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5365 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5366 for anonymous variables explicitly declared by front ends.
5368 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5370 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5371 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5372 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5373 ref-all pointers, run a finalization pass for them.
5374 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5375 (finalize_ref_all_pointers): New function.
5376 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5377 regular pointer type to a ref-all pointer type.
5378 (get_tmt_for): Return the special memory tag for ref-all pointers.
5380 2006-05-25 Richard Guenther <rguenther@suse.de>
5383 * fold-const.c (fold_binary): Do not look at the stripped
5384 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5386 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5388 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5389 for LT and GT if the computed range is effectively empty.
5391 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5394 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5395 mips_quad_format formats instead of ieee_single_format,
5396 ieee_double_format and ieee_quad_format formats, respectively.
5398 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5400 PR tree-optimization/27639
5401 PR tree-optimization/26719
5402 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5403 call to scev_probably_wraps_p.
5404 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5405 used_in_pointer_arithmetic_p, convert_step): Removed.
5406 (nowrap_type_p): New function.
5407 (scev_probably_wraps_p): Rewritten.
5408 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5409 chrec_convert if chrec_convert_aggressive might have been used.
5410 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5411 scev_direction): New functions.
5412 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5413 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5414 instead of convert_step.
5415 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5416 (convert_step): Declaration removed.
5417 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5419 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5421 * df-core.c: Added to header comments.
5422 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5423 df_ur_bb_info, df_urec_bb_info): Added comments.
5424 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5425 urec, ri problems): Fixed header comments.
5426 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5427 code from df_rd_transfer_function.
5429 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5431 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5432 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5433 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5435 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5437 * expr.c (undefined_operand_subword_p): New.
5438 (emit_move_multi_word): Do not generate move from undefined bits
5439 of a paradoxical subreg.
5441 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5443 PR rtl-optimization/27736
5444 * combine.c (replaced_rhs_value): New variable.
5445 (combine_instructions): Set it.
5446 (distribute_notes): When distributing a note in replaced_rhs_insn,
5447 check whether the value was used in replaced_rhs_value.
5449 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5452 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5453 add_referenced_var instead of add_referenced_tmp_var.
5454 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5455 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5457 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5458 tree_optimize_tail_calls_1): Use add_referenced_var.
5459 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5460 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5461 Use add_referenced_var.
5462 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5463 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5464 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5465 Use add_referenced_var.
5466 * tree-dfa.c (struct walk_state): Remove.
5467 (find_referenced_vars): Remove walk state and vars_found hash table.
5468 (make_rename_temp): Use add_referenced_var.
5469 (find_vars_r): Pass less parameters to add_referenced_var.
5470 (referenced_var_p): New. Is var in referenced_var hash table.
5471 (referenced_var_insert): Assert var isn't already in hash table.
5472 (add_referenced_var): Don't need walk_state parameter. Add var if it
5473 isn't already in the hash table.
5474 (add_referenced_tmp_var): Remove.
5475 (find_new_referenced_vars_1): Use add_referenced_var.
5476 * tree-ssa-pre.c (create_expression_by_pieces,
5477 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5478 Use add_referenced_var.
5479 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5480 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5481 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5483 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5484 vect_create_data_ref_ptr, vect_create_destination_var,
5485 vect_init_vector, vect_build_loop_niters,
5486 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5487 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5488 Use add_referenced_var.
5489 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5490 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5491 (add_referenced_var): Add prototype.
5492 * tree-ssa-structalias.c (get_constraint_for,
5493 intra_create_variable_infos): Use add_referenced_var.
5495 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5497 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5498 big-endian paradoxical subregs.
5499 * var-tracking.c (struct micro_operation_def): Document that,
5500 for modify micro operations, insn is the subsequent instruction.
5501 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5502 (var_reg_set, var_mem_set): ... new functions.
5503 (add_stores): Record subsequent insn.
5504 (compute_bb_dataflow): Use new functions for MO_USE.
5505 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5506 notes after the insn, and modify notes before the insn known
5507 to be the subsequent one.
5508 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5510 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5513 * config/i386/i386.c (ix86_expand_builtin): Use
5514 gen_sse3_monitor64 for TARGET_64BIT.
5516 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5518 PR rtl-optimization/26375
5519 PR rtl-optimization/26855
5520 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5522 (df_ru_bb_local_compute): Reversed statements and removed bogus
5523 comment explaining why they should be in wrong order.
5524 (df_ru_dump, df_rd_dump): Enhanced debug info.
5525 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5527 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5528 reaching uses and fixed space problem.
5530 2006-05-23 Jan Hubicka <jh@suse.cz>
5532 * cgraphunit.c (decide_is_function_needed): Also nested functions
5533 and functions declared inline can be optimized out at -O0.
5535 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5537 * doc/install.texi (Configuration): Remove reference to CrossGCC
5541 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5544 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5545 ix86_compare_emitted is non-NULL.
5547 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5550 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5553 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5555 PR rtl-optimization/25514
5556 * combine.c (replaced_rhs_insn): New variable.
5557 (combine_instructions): Set replaced_rhs_insn when trying to replace
5558 a SET_SRC with a REG_EQUAL note.
5559 (distribute_notes): Use replaced_rhs_insn when determining the live
5560 range of a REG_DEAD register.
5562 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5563 Anatoly Sokolov <aesok@post.ru>
5565 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5566 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5567 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5568 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5569 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5570 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5571 at90usb647, at90usb1286 and at90usb1287 devices.
5572 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5573 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5575 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5577 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5579 2006-05-22 Richard Guenther <rguenther@suse.de>
5582 2006-01-31 Richard Guenther <rguenther@suse.de>
5583 Paolo Bonzini <bonzini@gnu.org>
5585 * doc/install.texi (--disable-libgcc-math): Document.
5587 2006-05-22 Richard Guenther <rguenther@suse.de>
5590 2006-01-31 Richard Guenther <rguenther@suse.de>
5592 * doc/invoke.texi (-msselibm): Document.
5593 * target.h (expand_library_builtin): New target hook.
5594 * builtins.c (expand_builtin): Use expand_library_builtin.
5595 (default_expand_library_builtin): New function.
5596 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5597 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5598 (link_gcc_math_spec): Declare.
5599 (static_specs): Add link_gcc_math_spec.
5600 * expr.h (default_expand_library_builtin): Declare.
5601 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5602 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5603 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5604 * config/i386/i386.opt (msselibm): New target option.
5605 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5606 (ix86_init_sse_abi_builtins): New function.
5607 (ix86_expand_library_builtin): Likewise.
5608 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5609 (override_options): Handle error conditions wrt -msselibm.
5610 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5611 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5612 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5615 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5618 * c-common.c (self_promoting_args_p): Skip erroneous args.
5621 * c-decl.c (finish_struct): Skip erroneous fields.
5623 2006-05-22 Nick Clifton <nickc@redhat.com>
5625 * config/cris/cris.opt (march): Remove VarExists attribute.
5626 (max-stackframe=): Likewise.
5628 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5630 * doc/rtl.texi: Fix a typo.
5631 * see.c: Fix comment typos.
5633 * tree-ssa-structalias.h (alias_info): Remove num_references.
5635 2006-05-21 Mike Stump <mrs@apple.com>
5637 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5639 (darwin_pragma_options): Use BAD instead.
5640 (darwin_pragma_unused): Likewise.
5641 (darwin_pragma_ms_struct): Likewise.
5643 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5645 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5647 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5649 PR rtl-optimization/27671
5650 * simplify-rtx.c (simplify_relational_operation_1): Fix
5651 simplifications of (eq/ne (xor x y) y) and
5652 (eq/ne (xor x y) x).
5654 PR tree-optimization/26622.
5655 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5658 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5660 * tree-cfg.c: Prune whitespace.
5661 (debug_tree_cfg): Point to correct header containing the
5664 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5667 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5669 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5672 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5673 or sorry count is non zero.
5675 2006-05-20 Andreas Schwab <schwab@suse.de>
5677 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5679 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5680 Kenneth Zadeck <zadeck@naturalbridge.com>
5682 PR rtl-optimization/26855
5684 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5686 (df_scan_alloc): Added code to properly handle multiword hard
5687 registers and add all_blocks parameter.
5688 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5689 code to properly handle multiword hard registers.
5690 (df_rescan_blocks): Added code to remove deleted blocks from
5692 (df_ref_create_structure, df_ref_record): Added code to properly
5694 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5695 and set DF_REF_PARTIAL.
5696 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5697 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5698 (df_scan_add_problem): Added flags parameter.
5699 (df_ref_create_structure): Changed switching structure.
5700 (df_bb_refs_record): Fixed case where duplicate artificial refs
5701 were created. Changed location of flags.
5702 (df_record_entry_block_defs): Added code to make stack pointer
5703 live in entry block. Refined cases where frame pointer is needed.
5704 Changed location of flags.
5705 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5706 (df_set_state): Removed function.
5707 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5708 df_insn_create_insn_record, df_insn_refs_delete,
5709 df_ref_create_structure): Formatting changes.
5710 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5711 df_delete_basic_block): New function.
5712 (df_init): Changed location of flags.
5713 (df_add_problem): Added flags parameter and the way flags are
5715 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5716 debug_df_chain): Improved debugging output.
5717 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5718 (df_refs_chain_dump): Removed df parameter.
5719 (df_iterative_dataflow): Added consistency check.
5720 (df_prune_to_subcfg): Made public.
5721 (df_analyze_problem): Added blocks_to_init parameter and made
5723 (df_ref_record, df_bb_refs_record, df_mark_reg,
5724 df_record_exit_block_uses): Whitespace changes.
5725 (df_dump): Whitespace changes.
5726 * df.h: Some reordering to remove forward references.
5727 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5728 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5729 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5730 (dataflow.flags): New field.
5731 (df.flag): Deleted field.
5732 (df_alloc_function): Added additional bitmap parameter.
5733 (df_dependent_problem_function): New type.
5734 (df_problem.changeable_flags): New field.
5735 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5736 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5737 (df_mw_hardreg): New struct.
5738 (DF_INSN_UID_MWS): New macro.
5739 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5741 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5742 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5743 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5744 (df_set_state): Removed function.
5745 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5746 * df-problems.c (df_chain_dump): Removed df parameter.
5747 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5748 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5750 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5751 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5752 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5753 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5754 DF_REF_MUST_CLOBBER cases.
5755 (df_ru_bb_local_compute_process_def,
5756 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5757 df_lr_bb_local_compute, df_ur_bb_local_compute,
5758 df_chain_create_bb): Made subreg aware.
5759 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5760 df_lr_bb_local_compute, df_lr_bb_local_compute,
5761 df_chain_create_bb): Cleanup to use proper macros.
5762 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5763 code to fixup bitvectors.
5764 (df_ri_alloc): Cleared lifetime.
5765 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5766 df_create_unused_note): New function.
5767 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5768 REG_DEAD and REG_UNUSED notes as well as register information.
5769 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5770 df_chains_dump): Fixed crash if problem was never run.
5771 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5772 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5773 df_ri_add_problem): Processes flags in uniform manner.
5774 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5775 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5776 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5777 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5778 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5779 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5780 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5781 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5782 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5783 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5784 * see.c (see_initialize_data): Ditto.
5785 * final.c (rest_of_clean_state) Added regstack_completed.
5786 * rtl.h (regstack_completed): Ditto.
5787 * reg-stack.c (regstack_completed): Ditto.
5789 2006-05-19 Mike Stump <mrs@apple.com>
5791 * c-tree.h (default_conversion): Remove.
5792 * c-common.h (default_conversion): Add.
5794 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5796 * tree-vrp.c (valid_value_p): New function.
5797 (adjust_range_with_scev): Fail if the value of bound is not
5800 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5802 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5803 (mips_fallback_frame_state): Use syscall numbers to determine
5804 the appropriate li instruction for the current ABI. Only use
5805 __NR_sigreturn for o32.
5807 2006-05-19 Nicolas Setton <setton@adacore.com>
5809 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5810 * langhooks.c (lhd_dwarf_name): New function.
5811 * langhooks-def.h (lhd_dwarf_name): Declare.
5812 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5813 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5814 * ada/misc.c (gnat_dwarf_name): New function.
5815 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5817 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5819 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5821 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5822 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5823 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5824 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5825 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5826 determine the size of Wtype, etc.
5827 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5828 (swfloatfuncs): New variable.
5829 (dwfloatfuncs): Likewise.
5830 (lib2funcs): Remove floating-point conversion functions from
5831 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5832 the set of conversion routines needed. Allow entries to specify
5833 an object name, filename and word size. Update users accordingly.
5834 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5835 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5839 2006-02-08 Roger Sayle <roger@eyesopen.com>
5842 * config/fixtfdi.c: New libgcc source file.
5843 * config/fixunstfdi.c: New source file.
5844 * config/floatditf.c: New source file.
5845 * config/floatunditf.c: New souce file.
5846 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5847 files above instead of config/mips/_tilib.c.
5848 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5850 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5852 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5853 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5855 2006-05-18 Mike Stump <mrs@apple.com>
5857 Fix up vla, vm and [*] sematics.
5863 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5864 (c_vla_unspec_p): Add.
5865 (c_vla_type_p): Add.
5866 * c-decl.c (struct c_scope): Add had_vla_unspec.
5867 (build_array_declarator): Add support for [*].
5868 (grokdeclarator): Likewise.
5869 (grokparms): Likewise.
5870 (get_parm_info): Likewise.
5871 * c-objc-common.c (c_vla_unspec_p): Likewise.
5872 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5873 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5874 typeof when argument is a variably modified type not inside sizeof or alignof.
5875 (c_parser_direct_declarator_inner): Propagate errors.
5876 (c_parser_sizeof_expression): Add support for [*].
5877 (c_parser_parms_declarator): Initialize had_vla_unspec.
5878 (c_parser_parms_list_declarator): Likewise.
5879 * c-typeck.c (c_vla_type_p): Add.
5880 (composite_type): Add support for vla compositing.
5881 (comptypes_internal): Add support for vla compatibility.
5882 (c_expr_sizeof_expr): Evaluate vla arguments.
5883 * tree.c (variably_modified_type_p): Update comment for [*].
5885 2006-05-18 Michael Matz <matz@suse.de>
5888 * config.host: Make assignments to host_xmake_file cumulative.
5889 * config.host (*-darwin*): Test $host, not $target.
5891 2006-05-12 Stuart Hastings <stuart@apple.com>
5893 * config/i386/i386.opt (-mstackrealign): New flag.
5894 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5895 (ix86_handle_cconv_attribute): Emit error when
5896 force_align_arg_pointer attribute collides with too many regparms.
5897 (ix86_function_regparm): Limit regparms when used with
5898 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5899 Support stack-realigning prologue in non-main functions. Emit
5900 warning for nested functions under -mstackrealign, emit error for
5901 nested functions with force_align_arg_pointer attribute.
5902 * doc/extend.texi (force_align_arg_pointer): Document it.
5903 * doc/invoke.texi (-mstackrealign): Document it.
5905 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5907 PR rtl-optimization/27477
5908 * combine.c (try_combine): Don't split a parallel consisting
5909 of two sets into two individual sets if both sets reference
5912 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5914 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5915 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5917 * doc/options.texi (VarExists): Updated.
5919 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5921 * unwind-dw2.c: Add declarations for uw_update_context and
5923 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5924 detected, advance frame state and context once to skip over stub.
5926 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5930 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5931 Call rewrite_into_loop_closed_ssa only when something changed.
5932 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5933 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5934 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5935 Test for perfect_nest_p here. Fix formating.
5936 (replace_uses_equiv_to_x_with_y): Fix formating.
5937 (stmt_uses_op): Removed.
5938 (can_convert_to_perfect_nest): Removed loopivs parameter.
5939 Complete the test by checking the scalar dependences.
5940 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5943 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5946 From Dan Kegel <dank@kegel.com>:
5947 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5949 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5951 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5952 if the element type is variably modified without recursing.
5954 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5957 * tree-loop-linear.c (try_interchange_loops): Test for
5958 no data dependences.
5960 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5962 PR tree-optimization/27548
5963 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5964 range of ssa names that appear on abnormal edges.
5965 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5966 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5968 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5971 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5973 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5976 * tree.h (OMP_PARALLEL_COMBINED): Define.
5977 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5978 (new_omp_context): Add is_combined_parallel argument.
5979 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5980 new_omp_context caller.
5981 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5982 Adjust gimplify_scan_omp_clauses callers.
5983 (omp_is_private): Issue errors if iteration variable is firstprivate
5984 or reduction in the current context.
5985 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5986 on combined parallel workshare constructs.
5988 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5990 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5991 (gcc-options.o): New rule.
5993 * optc-gen.awk: Protect variables for gcc-options.o with
5994 #ifdef GCC_DRIVER/#endif.
5996 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5998 Fix PR tree-optimization/27373
5999 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6000 (forward_propagate_addr_expr): Update call.
6002 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6004 * doc/options.texi: Move the Negative option.
6006 2006-05-16 Richard Guenther <rguenther@suse.de>
6008 PR tree-optimization/22303
6009 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6011 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6012 ccp_fold did not simplify the statement.
6014 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6017 * Makefile.in (GCC_OBJS): New.
6018 (OBJS-common): Add opts-common.o.
6019 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6020 (cpp$(exeext)): Likewise.
6021 (gcc.o): Also depend on opts.h.
6022 (opts-common.o): New.
6024 * common.opt (gcoff): Add Negative(gdwarf-2).
6025 (gdwarf-2): Add Negative(gstabs).
6026 (gstabs): Add Negative(gstabs+).
6027 (gstabs+): Add Negative(gvms).
6028 (gvms): Add Negative(gxcoff).
6029 (gxcoff): Add Negative(gxcoff+).
6030 (gxcoff+): Add Negative(gcoff).
6031 * config/i386/i386.opt (m32): Add Negative(m64).
6032 (m64): Add Negative(m32).
6034 * doc/options.texi: Document the Negative option.
6036 * gcc.c: Include "opts.h".
6037 (main): Call prune_options after expandargv.
6039 * optc-gen.awk: Generate common declarations for all flag
6040 variables in options.c. Output the neg_index field.
6042 * opts.c (find_opt): Moved to ...
6043 * opts-common.c: Here. New file.
6045 * opts.h (cl_option): Add a neg_index field.
6047 (prune_options): Likewise.
6049 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6052 * omp-low.c (expand_omp_parallel): Don't assert
6053 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6054 instead search for it.
6057 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6060 2006-05-16 Andreas Schwab <schwab@suse.de>
6062 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6065 2006-05-15 Roger Sayle <roger@eyesopen.com>
6068 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6069 integer constants other than zero are only legitimate on TARGET_64BIT.
6070 <CONST_VECTOR> Only zero vectors are legitimate.
6071 (ix86_cannot_force_const_mem): Integral and vector constants can
6072 always be put in the constant pool.
6074 2006-05-16 DJ Delorie <dj@redhat.com>
6076 * crtstuff.c (__dso_handle): Set section from
6077 TARGET_LBIGCC_SDATA_SECTION if defined.
6078 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6079 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6081 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6084 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6087 2006-05-16 Ben Elliston <bje@au.ibm.com>
6089 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6091 2006-05-15 Per Bothner <per@bothner.com>
6093 * tree.c: (last_annotated_node): Use source_locus typedef.
6094 This permits bootstrapping with --enable-mapped-location.
6096 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR tree-optimization/26830
6099 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6100 (info_for_ssa_name, current_info_for_ssa_name_age,
6101 blocks_to_update): New variables.
6102 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6103 (clear_ssa_name_info, initialize_flags_in_bb,
6104 mark_block_for_update): New functions.
6105 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6106 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6107 prepare_def_site_for): Use mark_block_for_update.
6108 (mark_def_interesting): Assert that the processed block is marked in
6109 blocks_to_update. Do not take blocks argument.
6110 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6112 (rewrite_update_init_block, rewrite_update_stmt): Only process
6113 blocks with statements to rewrite.
6114 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6115 (update_ssa): Initialize and free blocks_to_update. Do not
6116 clear flags on statements. Do not use blocks bitmap.
6117 * tree.h (SSA_NAME_AUX): Removed.
6118 (struct tree_ssa_name): Removed aux field.
6119 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6121 2006-05-15 Richard Guenther <rguenther@suse.de>
6123 PR tree-optimization/27603
6124 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6125 Do computations in original type.
6127 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6129 * see.c: Code style changes such as redundant paranthesis,
6130 redundant intialization of local variables etc.
6131 (see_main): Declared now as static.
6132 * doc/invoke.texi: Update that -fsee is not enabled by
6135 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6137 * omp-low.c (check_omp_nesting_restrictions): New function.
6138 (scan_omp_1): Call it.
6141 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6142 construct, return *VAR.
6144 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6146 PR rtl-optimization/27406
6147 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6150 2006-05-14 Roger Sayle <roger@eyesopen.com>
6152 PR rtl-optimization/27538
6153 * combine.c (expand_compound_operation): Call gen_lowpart
6154 before calling simplify_shift_const.
6156 2006-05-14 Roger Sayle <roger@eyesopen.com>
6158 PR rtl-optimization/22563
6159 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6160 a fixed width bitfield, always force the intermediates into psuedos.
6162 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6165 * mkconfig.sh: Use operator = instead of == for test.
6167 2006-05-13 Nick Clifton <nickc@redhat.com>
6169 * dwarf2out.c (dbx_reg_number): Check return value from
6170 LEAF_REG_REMAP and only use it if it is valid.
6171 (multiple_reg_loc_descriptor): Likewise.
6173 2006-05-13 Richard Guenther <rguenther@suse.de>
6175 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6178 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6180 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6181 information attached to non-INSNs such as NOTEs.
6182 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6184 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6186 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6188 * config/s390/s390.md: Adjust comment describing On constraint.
6190 2006-05-11 Jan Hubicka <jh@suse.cz>
6192 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6193 to be output at -O0.
6195 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6198 * fold-const.c (size_binop): Move sanity check for arguments to
6199 the beginning of the function.
6202 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6205 2006-05-11 Richard Guenther <rguenther@suse.de>
6208 * fold-const.c (fold_unary): Handle intermediate conversion
6209 to a pointer type like intermediate conversion to an integer
6210 type in folding of (T1)(T2)var to var.
6211 Match the code to the comment in the final conversion for
6212 (T1)(T2)var to (T1)var regarding to type precision. Rather
6213 than disallow T1 being of pointer type, assert that both T1
6214 and var are of pointer type or not. Make sure not to fall
6215 over the frontends lazyness wrt array to pointer decay though.
6217 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6219 * arm.c (arm_struct_value_rtx): Delete.
6220 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6221 (arm_init_cumulative_args): Always initialize nregs to zero.
6223 2006-05-10 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/27532
6226 * tree-object-size.c (plus_expr_object_size): Fix typo.
6228 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6231 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6232 ashrdi_const, ashrdi3): Use a scratch register.
6234 2006-05-10 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/27302
6237 * fold-const.c (operand_equal_p): For two comparisons,
6238 try comparison of one comparison code swapped if that yields
6241 2006-05-10 Ben Elliston <bje@au.ibm.com>
6243 * tree-pretty-print.c (pretty_print_string): No need to handle
6244 '\0' as a special character.
6246 * tree.h: Include "hashtab.h".
6247 (iterative_hash_expr): Use hashval_t in its prototype.
6248 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6250 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6253 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6254 (hppa*64*-*-hpux11*): Ditto.
6255 (hppa[12]*-*-hpux11*): Ditto.
6257 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6260 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6262 2006-05-09 Michael Matz <matz@suse.de>
6264 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6265 host_extra_gcc_objs and host_xmake_file.
6266 (<*-*-linux*>): Don't overwrite host_xmake_file.
6267 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6268 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6269 (host_detect_local_cpu): Declare.
6270 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6271 * config/i386/i386.c (override_options): Handle -mtune=native
6273 * config/i386/x-i386: New file.
6274 * config/i386/driver-i386.c: New file.
6275 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6278 2006-05-09 Dirk Mueller <dmueller@suse.de>
6279 Richard Guenther <rguenther@suse.de>
6282 * fold-const.c (fold_read_from_constant_string): Relax check
6283 for matching types to matching modes.
6285 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6287 PR rtl-optimization/27335
6288 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6291 2006-05-08 Chao-ying Fu <fu@mips.com>
6292 Richard Sandiford <richard@codesourcery.com>
6294 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6295 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6296 * config/mips/mips.md (UNSPEC_SCC): New constant.
6297 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6298 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6299 (mips_emit_compare): Use it.
6300 (mips_expand_vcondv2sf): New function.
6302 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6304 Fix PR tree-optimization/27093
6305 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6306 renaming when they become not-used_alone.
6308 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6310 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6311 relocation and relocation stubs.
6313 2006-05-08 Eric Christopher <echristo@apple.com>
6315 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6318 2006-05-08 Jan Hubicka <jh@suse.cz>
6321 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6322 unused static functions are needed.
6324 2006-05-08 Roger Sayle <roger@eyesopen.com>
6327 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6328 of a reg_equiv_constant if the result is a legitimate constant.
6330 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6333 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6334 standard 80387 constants, raise the cost to prevent
6335 compress_float_constant() to generate load from memory.
6337 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6339 * config/arm/constraints.md (c): Fix a typo.
6341 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6344 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6347 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6349 (_mm_mwait): Likewise.
6351 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6353 (sse3_monitor): Make it 32bit only.
6354 (sse3_monitor64): New. 64bit monitor.
6356 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6359 * config/i386/i386.c (classify_argument): Skip fields with invalid
6362 2006-05-07 Richard Guenther <rguenther@suse.de>
6364 PR tree-optimization/27409
6365 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6366 Do not try to find zero-sized subvars.
6368 2006-05-07 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/27136
6371 * tree-ssa-loop-niter.c (get_val_for): Correct function
6372 comment, assert requirements.
6373 (loop_niter_by_eval): Stop processing if the iterated
6374 value did not simplify.
6376 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6378 * opts.c (flag_see): remove its setting at -O3.
6380 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6382 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6383 * arm/constraints.md: New file.
6384 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6385 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6386 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6387 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6388 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6389 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6390 * arm.md: Include constraints.md.
6391 (thumb_movsi_insn): Use satisfies_constraint_J.
6392 (movhi, movqi): Use satisfies_constraint_I.
6394 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6396 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6397 for atmeg a645 device.
6399 2006-05-06 Richard Guenther <rguenther@suse.de>
6401 PR tree-optimization/27151
6402 * tree-vect-transform.c (vectorizable_condition): Punt on
6403 values that have a different type than the condition.
6405 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6408 * c-parser.c (c_parser_cast_expression): Only insert casts into
6409 hash table if pointer.
6410 * function.c (used_types_insert_helper): Rename from
6412 (used_types_insert): Call used_types_insert_helper.
6413 * function.h (used_types_insert): Accept only one argument.
6415 2006-05-05 David Edelsohn <edesohn@gnu.org>
6417 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6418 scratch with output modifier.
6420 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6423 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6424 with output modifier.
6426 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6429 * config/mips/mips.c (mips_symbolic_address_p): Return true
6430 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6431 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6433 2006-05-04 Richard Guenther <rguenther@suse.de>
6435 PR tree-optimization/14287
6436 PR tree-optimization/14844
6437 PR tree-optimization/19792
6438 PR tree-optimization/21608
6439 PR tree-optimization/27090
6440 * tree-ssa-pre.c (try_combine_conversion): New function.
6441 (compute_avail): After constructing the value-handle
6442 expression, use try_combine_conversion to combine NOP_EXPRs
6443 with previous value-handle expressions and use the result if it
6446 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6448 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6450 2006-05-04 Jan Hubicka <jh@suse.cz>
6453 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6455 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6457 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6458 that this only matches CONST_INTs. All users changed to VOIDmode
6461 * config/bfin/bfin.c: Include "optabs.h".
6462 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6464 (enum bfin_builtins): Add a number of fractional and vector builtins.
6465 (bfin_init_builtins): Likewise.
6466 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6467 (safe_vector_operand, bfin_expand_binop_builtin,
6468 bfin_expand_unop_builtin): New functions.
6469 (bfin_expand_builtin): Handle the new builtins.
6470 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6473 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6476 * Makefile.in (OBJS-common): Add see.o.
6477 (see.o): Add dependencies.
6478 * common.opt (fsee): New flag for the see optimization was added.
6479 * opts.c (flag_see): Initialized.
6480 * passes.c (init_optimization_passes, pass_see): New pass.
6481 * rtl.h (see_main): Declaration as extern.
6482 * timevar.def (TV_SEE): New.
6483 * tree-pass.h (pass_see): Declaration as extern.
6484 * invoke.texi (-fsee): Document.
6485 * recog.c (validate_simplify_insn): New function.
6486 * recog.h (validate_simplify_insn): Declaration as extern.
6487 * df-problems.c (df_chain_dump): Check for NULL.
6489 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6490 Daniel Berlin <dberlin@dberlin.org>
6492 * cfgrtl.c (insert_insn_bb_end_new): New function.
6493 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6495 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6497 * df.h (struct web_entry): Moved from web.c.
6498 (union_defs): Declaration as extern.
6499 (unionfind_root): Likewise.
6500 (unionfind_union): Likewise.
6501 * web.c (struct web_entry): Moved to df.h.
6502 (unionfind_root): Remove static declaration.
6503 (unionfind_union): Likewise.
6504 (union_defs): Likewise and generalize to use callback function.
6505 (web_main): Update arguments for union_defs function call.
6507 2006-05-04 Richard Guenther <rguenther@suse.de>
6509 PR tree-optimization/26447
6510 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6511 produce SSA_NAME copies before the store stmt to avoid
6512 breaking exception handling.
6514 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6517 * gimplify.c (omp_is_private): If var is shared in some outer context,
6518 return false instead of true. Stop searching on parallel context
6521 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6524 * coverage.c: Use get_gcov_unsigned_t() instead of
6525 unsigned_type_node all over.
6527 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6529 PR tree-optimization/27381
6530 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6531 maintain the same immediate_use links.
6532 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6533 node rather than segfaulting.
6535 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6538 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6539 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6540 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6542 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6544 Fix PR tree-optimization/26626
6545 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6547 * tree-ssa-operands.c (access_can_touch_variable): Allow
6548 typecasting through union pointers.
6550 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6553 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6554 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6555 to find if var will be a global variable even in the nested context.
6556 (omp_copy_decl): Only check for global variable at the end, it might
6557 be overridden in outer contexts.
6558 (scan_sharing_clauses): For global variables don't create a field.
6559 (lower_rec_input_clauses): Do nothing for global shared variables.
6560 Emit a barrier at the end of ILIST if there were any decls in both
6561 firstprivate and lastprivate clauses.
6562 (lower_send_clauses): Do nothing for global variables except for
6565 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6567 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6568 of the correct signedness is returned.
6570 2006-05-02 Jeff Law <law@redhat.com>
6572 PR tree-optimization/27364
6573 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6574 multiply expressions.
6576 2006-05-02 Tom Tromey <tromey@redhat.com>
6578 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6580 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6583 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6584 -mthumb -fPIC are used.
6586 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6587 Joshua Kinard <kumba@gentoo.org>
6590 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6591 with 64-bit pointers.
6593 2006-05-02 Paul Brook <paul@codesourcery.com>
6595 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6597 (create_fix_barrier): Check that a suitable barrier location is
6599 (arm_reorg): Include ftmp->address in allowable range of addresses.
6601 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6604 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6607 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6610 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6611 around RESULT_DECL for result passed by reference.
6612 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6613 * omp-low.c (use_pointer_for_field): Don't look at
6614 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6615 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6616 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6617 time or var for passing by reference for
6618 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6619 TREE_ADDRESSABLE variables when passing by reference.
6621 * omp-low.c (dump_omp_region): Fix output formatting.
6624 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6625 (expand_omp_parallel): Likewise.
6626 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6629 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6630 on statement list containing also constructors and destructors.
6631 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6634 * except.c (duplicate_eh_regions): Fix clearing of
6635 cfun->eh->region_array entries.
6637 2006-05-01 DJ Delorie <dj@redhat.com>
6639 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6641 (gcc_cv_objdump): Likewise.
6642 * configure: Regenerated.
6644 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6647 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6648 templates for case 3 and 4.
6650 2006-05-01 DJ Delorie <dj@redhat.com>
6652 * vec.c: Include bconfig.h when appropriate.
6653 * Makefile.in (build/vec.o): Adjust dependencies.
6654 * mkconfig.sh: Make sure config.h isn't used for build machine
6657 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6659 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6661 (mark_phi_for_rewrite): New function.
6662 (insert_phi_nodes_for, mark_use_interesting): Call
6663 mark_phi_for_rewrite.
6664 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6665 (update_ssa): Initialize and free phis_to_rewrite.
6667 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6669 PR rtl-optimization/27291
6670 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6671 folded to a constant.
6673 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6675 PR tree-optimization/27283
6676 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6677 not whole # of iteration descriptions.
6678 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6679 uses abnormal ssa name.
6680 (niter_for_single_dom_exit): Ditto.
6681 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6682 return just the number of iterations.
6684 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6686 PR tree-optimization/27144
6687 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6688 (record_estimate): Only record constant upper bound.
6689 (infer_loop_bounds_from_undefined): Call
6690 compute_estimated_nb_iterations just once.
6691 (proved_non_wrapping_p): Renamed to ...
6692 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6693 (convert_step_widening, scev_probably_wraps_p): Call
6694 n_of_executions_at_most instead of proved_non_wrapping_p.
6695 (substitute_in_loop_info): Do not replace values in bounds.
6696 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6699 2006-05-01 Richard Henderson <rth@redhat.com>
6702 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6703 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6706 2006-05-01 Roger Sayle <roger@eyesopen.com>
6708 * c-typeck.c (parser_build_binary_op): Don't call the function
6709 unsigned_conversion_warning to spot operand/result type overflow.
6710 (build_binary_op): Instead, call convert_and_check instead of
6711 convert to report the problem when the operands are promoted.
6712 * c-common.c (unsigned_conversion_warning): Make static.
6713 * c-common.h (unsigned_conversion_warning): Delete prototype.
6715 2006-05-01 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/26726
6718 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6720 (find_interesting_uses_address): ... we work around here
6721 by folding INDIRECT_REFs in the substituted base.
6723 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6725 * omp-low.c (dump_omp_region): Add newlines.
6727 2006-04-30 Roger Sayle <roger@eyesopen.com>
6729 * common.opt (Woverflow): New command line option.
6730 * c-common.c (constant_expression_warning): Check warn_overflow.
6731 (overflow_waring): Pass OPT_Woverflow to warning.
6732 (unsigned_conversion_warning): Likewise.
6733 (convert_and_check): Likewise.
6734 * doc/invoke.texi: Document new command line option.
6736 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6738 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6739 TARGET_NO_FP_IN_TOC for section anchors.
6740 (optimization_options): Enable section anchors for all
6741 non-"Objective" languages.
6743 2006-04-28 Eric Christopher <echristo@apple.com>
6745 * config/darwin-c.c (darwin_ms_struct): Move this
6746 (darwin_set_default_type_attributes): and this...
6747 * config/darwin.c: ... here.
6748 * config/darwin.h (darwin_ms_struct): Declare.
6750 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6754 2006-04-28 Roger Sayle <roger@eyesopen.com>
6757 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6758 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6759 an unsigned HOST_WIDE_INT.
6760 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6762 (really_start_incremental_init): No need to call convert because
6763 bitsize_zero_node is already of type bitsizetype.
6764 (push_init_level): Extract the value of constructor_index as an
6765 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6766 (process_init_element): Likewise.
6768 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6770 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6771 value before passing to make_relative_prefix.
6773 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6776 * builtins.c (expand_builtin_memset): Expand val in original mode.
6778 2006-04-27 Eric Christopher <echristo@apple.com>
6780 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6781 with #ifndef/#endif.
6782 * config/darwin-c.c (darwin_ms_struct): New.
6783 (darwin_pragma_ms_struct): Ditto.
6784 (darwin_set_default_type_attributes): Ditto.
6785 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6786 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6787 Register ms_struct pragma.
6788 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6789 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6790 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6791 darwin_set_default_type_attributes if TARGET_MACHO.
6793 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6795 PR tree-optimization/26854
6796 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6797 * doc/tree-ssa.texi: Update immuse iterator documentation.
6798 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6799 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6800 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6801 first_safe_imm_use, next_safe_imm_use): Remove.
6802 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6803 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6804 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6805 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6806 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6807 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6808 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6809 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6810 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6811 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6812 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6813 (perfect_nestify): Use new iterator.
6814 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6816 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6817 (next_imm_name): New field in struct immediate_use_iterator_d.
6818 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6819 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6820 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6821 * tree-cfg.c (replace_uses_by): Use new iterator.
6822 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6823 * tree-ssa-operands.c (correct_use_link): Remove.
6824 (finalize_ssa_use_ops): No longer call correct_use_link.
6826 2006-04-27 Stuart Hastings <stuart@apple.com>
6828 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6829 * config/t-darwin (crt3.o): Use it.
6830 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6831 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6832 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6833 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6834 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6837 2006-04-27 Roger Sayle <roger@eyesopen.com>
6839 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6840 size, force the intermediate into a new pseudo rather instead of
6841 performing both a bitwise AND and a bitwise IOR in memory.
6843 2006-04-27 Richard Guenther <rguenther@suse.de>
6845 PR rtl-optimization/26685
6846 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6847 this one "max-flow-memory-locations".
6849 2006-04-27 Richard Guenther <rguenther@suse.de>
6851 PR tree-optimization/25148
6852 * tree-vrp.c (compare_values): Remove code dealing with
6853 comparisons against type min/max value. Honour overflow
6854 and negative constants in code dealing with comparisons
6855 of plus and minus expressions.
6856 (value_inside_range): Use fold_binary with LE_EXPR and
6857 GE_EXPR rather than compare_values.
6859 2006-04-27 Dirk Mueller <dmueller@suse.de>
6861 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6864 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6866 * basic-block.h (safe_insert_insn_on_edge): Removed.
6867 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6869 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6870 Paolo Bonzini <bonzini@gnu.org>
6873 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6874 (simplify_and_const_int): Same.
6876 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6878 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6880 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6883 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6884 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6885 cgraph_global_info_ready.
6888 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6891 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6892 either decl or init is error_mark_node.
6895 * tree-flow.h (struct omp_region): Add sched_kind.
6896 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6897 instead of extracting omp for data.
6898 (expand_omp_for): Save extracted sched_kind.
6900 2006-04-25 Roger Sayle <roger@eyesopen.com>
6902 * expmed.c (store_bit_field): Also check whether the bitsize is
6903 valid for the machine's "insv" instruction before moving the
6904 target into a pseudo for use with the insv.
6905 * config/i386/predicates.md (const8_operand): New predicate.
6906 * config/i386/i386.md (extv, extzv, insv): Use the new
6907 const8_operand predicate where appropriate.
6909 2006-04-25 DJ Delorie <dj@redhat.com>
6911 * doc/install.texi (Specific): Clarify that this is not a list of
6912 supported hosts or targets.
6914 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6916 PR rtl-optimization/26725
6917 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6918 block's BB_DIRTY flag.
6920 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6922 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6925 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6926 to print an integer.
6928 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6930 * varasm.c (align_variable): New function.
6931 (get_block_for_decl): Apply align_variable to DECL before
6932 calculating section information.
6933 (assemble_variable): Split out alignment computation.
6935 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6937 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6940 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6942 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6943 MODE_PARTIAL_INT mode.
6944 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6945 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6947 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6948 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6950 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6952 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6954 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6955 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6956 MACFLAG_IH): Likewise.
6957 (movstricthi_1): Renamed from "*movstricthi".
6958 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6959 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6960 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6961 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6962 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6963 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6964 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6965 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6966 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6967 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6968 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6969 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6970 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6971 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6972 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6974 * doc/rtl.texi (ss_ashift): Improve wording.
6976 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6978 * dwarf2out.c (verify_marks_clear): New.
6979 (prune_unused_types): Call verify_marks_clear initially, not
6982 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6984 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6985 * doc/rtl.texi: Document them.
6986 * simplify-rtx.c (simplify_unary_operation,
6987 simplify_binary_operation_1): Don't abort when we see them.
6989 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6992 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6993 * configure.ac: Completely disregard languages that are not
6995 * configure: Regenerated.
6997 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6998 Richard Guenther <rguenther@suse.de>
7000 PR tree-optimization/27236
7001 * tree-inline.c (copy_body_r): Make sure to copy
7002 TREE_THIS_VOLATILE flag.
7004 2006-04-24 Richard Guenther <rguenther@suse.de>
7007 * tree-complex.c (update_parameter_components): Don't handle
7008 unused parameters which have no default def.
7010 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7011 Richard Guenther <rguenther@suse.de>
7013 PR tree-optimization/27218
7014 * tree-inline.c (expand_call_inline): Strip useless type
7015 conversions for the return slot address.
7017 2006-04-24 Richard Guenther <rguenther@suse.de>
7019 * cfgloop.h (struct loops): Remove unused field array. Reorder
7021 (LOOP_PREFETCH): Remove.
7023 2006-04-24 Richard Guenther <rguenther@suse.de>
7025 PR tree-optimization/22525
7026 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7027 variable, adjust types of generated expressions.
7029 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7031 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7032 (tree-vect-patterns.o): Likewise.
7034 (cselib.o): Likewise.
7035 (loop-doloop.o): Likewise.
7036 (regclass.o): Likewise.
7037 (reload1.o): Likewise.
7038 (explow.o): Replace target.h with $(TARGET_H).
7039 (ipa-prop.o): Likewise.
7040 (ipa-cp.o): Likewise.
7041 (ipa-inline.o): Likewise.
7042 (reorg.o): Likewise.
7043 (reg-stack.o): Likewise.
7045 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7047 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7049 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7051 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7053 * configure.ac: Completely disregard languages that are not
7055 * configure: Regenerated.
7058 * c-common.h (c_build_bitfield_integer_type): Declare.
7059 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7060 * c-common.c (c_build_bitfield_integer_type): ... here.
7062 2006-04-23 Roger Sayle <roger@eyesopen.com>
7065 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7066 a SImode SUBREG of a floating point register after no_new_pseudos.
7068 2006-04-23 Roger Sayle <roger@eyesopen.com>
7070 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7071 identify potentially eliminable registers to additionally catch
7072 VIRTUAL_INCOMING_ARGS_REGNUM.
7073 (addsi3): Update the conditions on when to use addsi_small_int.
7075 2006-04-23 Roger Sayle <roger@eyesopen.com>
7078 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7079 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7080 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7082 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7084 * fold-const.c (range_predecessor): Use operand_equal_p
7085 as the predicate for equality.
7086 (range_successor): Likewise.
7088 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7091 * config/soft-fp/op-common.h: Fix a typo.
7093 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7096 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7097 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7099 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7101 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7103 * doc/tm.texi: Fix a typo.
7105 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7107 * dwarf2out.c (struct die_struct): Document that die_sib makes
7108 a circular linked list.
7109 (FOR_EACH_CHILD): New.
7110 (reverse_die_lists): Delete.
7111 (reverse_all_dies): Delete.
7112 (add_dwarf_attr): Correct documentation.
7113 (remove_child_with_prev): New.
7114 (remove_child_TAG): Update for change to die_struct, use
7115 remove_child_with_prev.
7116 (add_child_die): Update for change to die_struct.
7117 (splice_child_die): Use remove_child_with_prev and add_child_die.
7118 (print_die): Use FOR_EACH_CHILD.
7119 (die_checksum): Likewise.
7120 (assign_symbol_names): Likewise.
7121 (output_location_lists): Likewise.
7122 (build_abbrev_table): Likewise.
7123 (calc_die_sizes): Likewise.
7124 (mark_dies): Likewise.
7125 (unmark_dies): Likewise.
7126 (unmark_all_dies): Likewise.
7127 (output_die): Likewise.
7128 (prune_unused_types_mark): Likewise.
7129 (prune_unused_types_walk): Likewise.
7130 (same_die_p): Update for change to die_struct.
7131 (break_out_includes): Likewise.
7132 (prune_unused_types_prune): Likewise.
7133 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7134 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7136 (dwarf2out_finish): Don't call reverse_all_dies.
7138 2006-04-21 Eric Christopher <echristo@apple.com>
7140 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7141 in comments and function names.
7143 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7146 * c-typeck.c (digest_init): Robustify.
7148 * c-typeck.c (pop_init_level): Simplify.
7150 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7152 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7154 2006-04-21 Paul Brook <paul@codesourcery.com>
7156 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7157 hardware floating point.
7159 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7161 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7164 2006-04-21 Nick Clifton <nickc@redhat.com>
7166 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7169 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7172 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7173 C++ lang type in traceback table for Objective-C++.
7175 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7177 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7179 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7181 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7184 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7185 were errors. Remove check for erroneous objects.
7187 2006-04-20 Jeff Law <law@redhat.com>
7189 PR tree-optimization/26854
7190 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7191 checking for zero or one use.
7192 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7193 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7194 * tree-ssa-reassoc.c (negate_value): Similarly.
7195 (reassociate_bb): Similarly.
7197 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7199 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7200 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7201 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7203 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7205 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7206 fp regs if the last fp arg doesn't fit in regs.
7208 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7211 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7212 that the last insn has the REG_INC note.
7214 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7215 Nathan Sidwell <nathan@codesourcery.com>
7218 * stor-layout.c (update_alignment_for_field): Do not align
7220 (place_union_field): Place union field at the start of the union.
7221 (place_field): Move ERROR_MARK check later, and use the current
7222 allocation position to maintain monotonicity.
7224 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7226 * dominance.c: Include timevar.h.
7227 (calculate_dominance_info): Use TV_DOMINANCE.
7228 * timevar.def (TV_DOMINANCE): New timevar.
7229 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7231 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7233 PR rtl-optimization/14261
7234 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7235 move would be an INSV insn.
7236 (noce_process_if_block): Don't optimize if the destination is a
7237 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7239 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7241 * config/s390/s390.md: Add comments with the instructions emitted
7242 by an insn pattern if macros are used.
7244 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7246 PR rtl-optimization/26026
7247 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7248 is a known power of two shifted left a variable amount.
7250 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7252 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7253 to hash table twice when the debug_str section has SECTION_MERGE.
7255 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7257 * config/soft-fp: New directory. From glibc.
7258 * config/soft-fp/t-softfp: New.
7259 * config/soft-fp/README: New.
7260 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7261 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7262 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7263 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7264 * config.gcc: Use rs6000/t-fprules-fpbit or
7265 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7267 * config/rs6000/sfp-machine.h: New. Based on glibc.
7268 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7270 * config/rs6000/t-fprules: Remove fp-bit rules.
7271 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7272 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7273 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7274 (softfp_wrap_start, softfp_wrap_end): New.
7276 2006-04-18 DJ Delorie <dj@redhat.com>
7278 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7280 2006-04-18 Devang Patel <dpatel@apple.com>
7282 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7284 2006-04-18 Nick Clifton <nickc@redhat.com>
7286 * config/sh/t-symbian: Add rule to build sh-c.o
7287 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7288 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7289 (sh_symbian_encode_section_info): Likewise.
7291 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7293 * builtins.c (expand_builtin_strcmp): Cover label definition of
7294 do_libcall with HAVE_cmpstrnsi.
7296 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7298 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7300 * function.h (temp_slot_p): New.
7301 (function): Change the type of x_used_temp_slots to
7302 VEC(temp_slot_p,gc) *.
7304 2006-04-18 Nick Clifton <nickc@redhat.com>
7306 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7307 flag_strength_reduce.
7309 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7311 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7315 Partial revert of revision 112637
7316 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7317 Dale Johannesen <dalej@apple.com>
7320 * regclass.c (struct reg_pref): Update documentation.
7321 (regclass): Set prefclass to NO_REGS if memory is the best option.
7322 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7324 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7326 PR tree-optimization/26821
7327 * tree-ssa-math-opts.c (get_constant_one): New.
7328 (insert_reciprocals): Use it.
7330 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7332 * dwarf2out.c (free_AT): Delete.
7333 (remove_AT): Update string ref counts.
7334 (remove_child_TAG): Don't call free_die.
7336 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7337 or DW_TAG_GNU_EINCL.
7338 (prune_unused_types_walk_attribs): Reset string refcounts.
7339 (prune_unused_types_update_strings): New.
7340 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7341 call free_die. Do call prune_unused_types_update_strings.
7342 (prune_unused_types): Empty debug_str_hash.
7344 2006-04-17 Roger Sayle <roger@eyesopen.com>
7346 * expr.c (expand_assignment): Optimize away no-op moves where the
7347 source and destination are equal and have no side-effects.
7349 2006-04-17 Richard Guenther <rguenther@suse.de>
7352 * reload.c (push_reload): Guard calls to get_secondary_mem
7355 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7357 * alias.c (reg_base_value, old_reg_base_value): Change the
7358 type to VEC(rtx,gc) *.
7359 (REG_BASE_VALUE, find_base_value, record_set,
7360 init_alias_analysis): Use VEC instead of VARRAY.
7362 * alias.c (alias_sets): Change the type to
7363 VEC(alias_set_entry,gc) *.
7364 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7365 VEC instead of VARRAY.
7366 (last_alias_set): Remove.
7368 * cgraph.h (cgraph_edge_p): New.
7369 Update the prototype of cgraph_function_versioning.
7370 * cgraphunit.c (cgraph_copy_node_for_versioning,
7371 cgraph_function_versioning): Use VEC instead of VARRAY.
7372 * ipa-cp.c (ipcp_insert_stage): Likewise.
7374 2006-04-16 Roger Sayle <roger@eyesopen.com>
7377 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7378 "A op B" or "A op C", we may need to convert A to the type of B and C.
7380 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7382 * target.h (struct gcc_target): Add mode_rep_extended.
7383 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7384 (init_num_sign_bit_copies_in_rep): Initialize it using
7386 (truncate_to_mode): Use it.
7387 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7388 * targhooks.h (default_mode_rep_extended): Declare it.
7389 * targhooks.c (default_mode_rep_extended): Define it.
7390 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7391 default_mode_rep_extended.
7392 (TARGET_INITIALIZER): Include it.
7393 * doc/tm.texi (Misc): Document it.
7394 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7395 (mips_truncated_to_mode): New function.
7397 2006-04-16 Roger Sayle <roger@eyesopen.com>
7400 * expr.c (compress_float_constant): Copy the narrow constant into
7401 a new pseudo before extending it to its final width.
7403 2006-04-16 Roger Sayle <roger@eyesopen.com>
7404 Andrew Pinski <pinskia@gcc.gnu.org>
7405 Dale Johannesen <dalej@apple.com>
7408 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7409 special case code to implement V8HImode and V16QImode with SSE2.
7411 2006-04-15 Roger Sayle <roger@eyesopen.com>
7413 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7414 trees are constructed with a suitable tree type.
7416 2006-04-15 Roger Sayle <roger@eyesopen.com>
7418 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7419 (integer_onep): Likewise.
7420 (integer_all_onesp): Likewise.
7421 (integer_pow2p): Likewise.
7422 (integer_nonzerop): Likewise.
7423 (real_zerop): Likewise.
7424 (real_onep): Likewise.
7425 (real_twop): Likewise.
7426 (real_minus_onep): Likewise.
7427 (int_size_in_bytes): Likewise.
7428 (host_integerp): Likewise.
7430 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7432 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7433 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7434 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7436 * tree-ssa-structalias.h (alias_info): Remove num_references.
7438 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7440 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7441 (output_bvb patterns): Likewise.
7442 * pa.c (output_bb): Use 'bb' insn for long branch case.
7443 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7444 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7445 1. Correct length operand for alternatives 1 and 2.
7446 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7447 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7449 2006-04-14 Roger Sayle <roger@eyesopen.com>
7451 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7452 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7453 were accidentally reverted by r112959.
7455 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7458 * except.h (eh_region_outermost): New prototype.
7459 * except.c (eh_region_outermost): New function.
7460 * tree-cfg.c (find_outermost_region_in_block): Use it.
7462 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7464 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7466 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7467 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7468 (init_reload, reload): Use VEC instead of VARRAY.
7469 * reload.h: Update the prototype for
7470 reg_equiv_memory_loc_varray.
7472 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7473 Eric Botcazou <ebotcazou@libertysurf.fr>
7475 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7478 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7481 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7482 to expand fallback builtin function call.
7484 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7487 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7488 and emit libcall here in case the builtin fails.
7489 (expand_builtin_strcmp): Always emit the libcall here on failure.
7491 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7493 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7494 * flow.c (reg_n_info): Change the type to
7495 VEC(reg_info_p,heap) *.
7496 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7498 * regs.h (reg_info_p): New.
7499 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7500 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7501 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7504 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7506 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7508 * params.h (MAX_SCHED_READY_INSNS): New macro.
7509 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7510 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7511 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7512 the ready list for 1 cycle during the first scheduling pass.
7513 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7515 2006-04-13 Richard Henderson <rth@redhat.com>
7518 * gimple-low.c (lower_omp_directive): Remove dead code.
7519 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7520 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7521 * omp-low.c (struct omp_region): Move to tree-flow.h.
7522 (root_omp_region): Export.
7523 (omp_regions, lookup_omp_region): Remove.
7524 (determine_parallel_type): Update for struct omp_region changes.
7525 (dump_omp_region): Dump regions with block numbers.
7526 (new_omp_region): Take type and block instead of stmt; malloc
7528 (free_omp_region_1, free_omp_regions): New.
7529 (expand_parallel_call): Take entry_stmt as argument; update for
7530 changes to omp_region.
7531 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7532 (remove_exit_barriers): New.
7533 (expand_omp_parallel): Update for struct omp_region changes.
7534 (expand_omp_synch): Likewise.
7535 (expand_omp): Likewise.
7536 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7537 (expand_omp_for_static_chunk): Likewise.
7538 (expand_omp_for): Likewise.
7539 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7540 (expand_omp_sections): Similarly, with GOMP_sections_end.
7541 (expand_omp_single): New.
7542 (build_omp_regions_1): Update for OMP_CONTINUE.
7543 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7544 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7545 OMP_SECTIONS_SECTIONS.
7546 (lower_omp_single_simple): Don't emit barrier here.
7547 (lower_omp_single_copy): Likewise.
7548 (lower_omp_single): Fix bindings, and lower to straightline now.
7549 (lower_omp_master, lower_omp_ordered): Likewise.
7550 (lower_omp_critical): Likewise.
7551 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7552 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7553 omp edges, free it afterward.
7554 (make_omp_sections_edges): Remove.
7555 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7556 (move_stmt_r): Handle OMP_CONTINUE.
7557 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7558 statement pointers to basic blocks. Add type member.
7559 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7560 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7561 * tree-inline.c (estimate_num_insns_1): Likewise.
7562 * tree-pretty-print.c (dump_generic_node): Likewise.
7563 * tree-ssa-operands.c (get_expr_operands): Likewise.
7564 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7565 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7566 (OMP_CONTINUE): New.
7567 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7568 (OMP_SECTIONS_SECTIONS): Remove.
7569 (OMP_SECTION_LAST): New.
7570 (OMP_RETURN_NOWAIT): New.
7572 2006-04-13 Roger Sayle <roger@eyesopen.com>
7574 * fold-const.c (native_encode_vector, native_interpret_real):
7575 Correct obvious mistakes in the previous check-in.
7577 2006-04-13 Roger Sayle <roger@eyesopen.com>
7579 * fold-const.c (native_encode_expr): New function to encode
7580 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7581 or VECTOR_CST into a specified buffer.
7582 (native_encode_int): New function.
7583 (native_encode_real): New function.
7584 (native_encode_complex): New function.
7585 (native_encode_vector): New function.
7586 (native_interpret_expr): Inverse of native_encode_expr to convert
7587 a target representation into an INTEGER_CST, REAL_CST etc...
7588 (native_interpret_int): New function.
7589 (native_interpret_real): New function.
7590 (native_interpret_complex): New function.
7591 (native_interpret_vector): New function.
7592 (fold_view_convert_expr): New function to constant fold/evaluate
7593 a VIEW_CONVERT_EXPR of a suitable constant expression.
7594 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7595 Change call of build1 to fold_build1 when constructing a
7598 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7599 Ulrich Weigand <uweigand@de.ibm.com>
7602 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7605 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7608 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7609 optimize to lo_sum for DFmode if !TARGET_FPRS.
7611 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7613 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7614 delete_alias_info, compute_flow_sensitive_aliasing,
7615 group_aliases): Use VEC instead of VARRAY.
7616 * tree-ssa-structalias.c (update_alias_info): Likewise.
7617 * tree-ssa-structalias.h (alias_info): Change the type of
7618 processed_ptrs to VEC(tree,heap) *.
7620 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7623 * config/sh/lib1funcs.h: New file, broken out of:
7624 * config/sh/lib1funcs.asm.
7625 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7627 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7628 * config/sh/lib1funcs-Os-4-200.asm: New file.
7629 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7630 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7631 (EXTRA_MULTILIB_PARTS): Include it.
7632 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7633 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7634 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7635 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7638 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7640 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7641 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7642 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7644 * tree-ssa-live.h: Include vecprim.h.
7645 (tree_partition_associator_d): Change the type of
7646 first_partition to VEC(int,heap) *.
7647 (tpa_first_partition): Use VEC instead of VARRAY.
7649 * Makefile.in (GTFILES): Move functions.h after tree.h.
7650 * function.c (reset_block_changes, record_block_change,
7651 check_block_change, free_block_changes): Use VEC instead of
7653 * function.h (function): Change the type of
7654 ib_boundaries_block to VEC(tree,gc) *.
7655 * tree-inline.c (copy_cfg_body): Initialize
7656 ib_boundaries_block to NULL instead of (varray_type) 0.
7658 2006-04-12 Roger Sayle <roger@eyesopen.com>
7660 * expr.c (emit_group_store): Correct operand order in call to
7661 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7662 a SUBREG_BYTE of zero.
7664 2006-04-12 Richard Guenther <rguenther@suse.de>
7666 * profile.c (compute_branch_probabilities): Remove code
7667 encapsulated in !ir_type (), which are remanents of the
7668 removed RTL profiling code.
7669 * rtl-profile.c: Remove.
7671 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7673 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7674 magic NULL_RTX comment.
7675 (function_arg): Store entire fp arg to mem if any part should go
7677 (rs6000_arg_partial_bytes): Adjust for above change.
7679 2006-04-11 Roger Sayle <roger@eyesopen.com>
7681 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7682 if it hasn't been initialized by dwarf2out_init.
7684 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7686 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7687 symbolic constants in branch patterns.
7689 2006-04-11 Roger Sayle <roger@eyesopen.com>
7691 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7693 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7695 PR rtl-optimization/27073
7696 * gcse.c (try_replace_reg): Revert last change. Continue to search
7697 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7700 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7702 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7703 aggregate types other than record and union types.
7704 (function_arg): Likewise.
7705 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7707 (function_value): In 64-bit mode, return objects that require it
7710 2006-04-11 Roger Sayle <roger@eyesopen.com>
7712 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7714 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7716 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7718 2006-04-03 Jeff Law <law@redhat.com>
7721 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7722 alias information too.
7724 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7726 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7728 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7731 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7732 (premark_used_types_helper): New.
7733 (premark_used_types): New.
7734 (gen_subprogram_die): Call premark_used_types.
7735 (prune_unused_types_walk): Do not prune perennial dies.
7736 * function.c (used_types_insert): New.
7737 * function.h (struct function): Add used_types_hash field.
7738 (used_types_insert): Add prototype.
7739 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7740 * c-parser.c (c_parser_cast_expression): Save casted types in used
7743 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7746 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7747 rs6000_explicit_options.float_gprs.
7749 2006-04-10 Roger Sayle <roger@eyesopen.com>
7751 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7752 from ix86_expand_vector_init_low_nonzero. Take an additional
7753 one_var argument indicating which element is non-zero. Support
7754 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7755 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7756 with one_var instead of ix86_expand_vector_init_low_nonzero.
7758 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7760 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7761 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7762 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7763 build/genextract.o): Depend on vecprim.h.
7764 * cfglayout.c, df-problems.c, function.c, genextract.c,
7765 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7766 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7770 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7772 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7773 Declare VECs of this type.
7774 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7775 (remove_children): Delete.
7776 (add_dwarf_attr): Use VEC routines.
7777 (add_AT_flag): Update for changes to add_dwarf_attr.
7778 (add_AT_int): Likewise.
7779 (add_AT_unsigned): Likewise.
7780 (add_AT_long_long): Likewise.
7781 (add_AT_vec): Likewise.
7782 (add_AT_string): Likewise.
7783 (add_AT_die_ref): Likewise.
7784 (add_AT_fde_ref): Likewise.
7785 (add_AT_loc): Likewise.
7786 (add_AT_loc_list): Likewise.
7787 (add_AT_addr): Likewise.
7788 (add_AT_lbl_id): Likewise.
7789 (add_AT_lineptr): Likewise.
7790 (add_AT_macptr): Likewise.
7791 (add_AT_offset): Likewise.
7792 (add_AT_range_list): Likewise.
7793 (get_AT): Use VEC_iterate.
7794 (remove_AT): Use VEC_ordered_remove.
7795 (free_die): Fold remove_children into here; have it use VEC_iterate.
7796 (print_die): Use VEC_iterate on attrs.
7797 (reverse_die_lists): Don't reverse attr lists.
7798 (die_checksum): Use VEC_iterate on attrs.
7799 (same_die_p): Likewise.
7800 (output_location_lists): Likewise.
7801 (build_abbrev_table): Likewise.
7802 (size_of_die): Likewise.
7803 (unmark_all_dies): Likewise.
7804 (output_abbrev_section): Likewise.
7805 (output_die): Likewise.
7806 (prune_unused_types_walk_attribs): Likewise.
7808 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7810 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7812 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7815 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7817 2006-04-09 Roger Sayle <roger@eyesopen.com>
7819 * expr.c (store_constructor): Don't bother clearing target if
7820 we're about to assign a vector to it using vec_init_optab.
7822 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7824 * tree-ssa-alias.c (lhs_may_store_to): New function.
7825 (recalculate_used_alone): Handle LHS of calls.
7827 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7831 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7832 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7833 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7834 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7835 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7836 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7837 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7838 stubs. Add ".align 8" directives before all ".dword" directives.
7839 (GTHREAD_USE_WEAK): Revise comment.
7840 (TARGET_ATTRIBUTE_WEAK): Define.
7841 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7842 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7843 * stublib.c: New file.
7848 * pa.md (cbranch patterns): Revise arguments used in calls to
7849 output_cbranch, output_bb and output_bvd. Add long branch length
7851 (fbranch patterns): Handle long branches.
7852 (jump): Revise length check. Revise arguments for output_lbranch call.
7853 Add long branch length attributes.
7854 (decrement_and_branch_until_zero): Add long branch length attributes.
7855 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7856 Likewise. Revise arguments for output_parallel_addb and
7857 output_parallel_movb calls.
7858 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7859 output_parallel_movb and output_parallel_addb): Update prototypes.
7860 * pa.c (output_cbranch): Revise arguments. Correct handling of
7861 nullification in long branches.
7862 (output_lbranch): Add new argument to control extraction of delay
7864 (output_bb): Handle long branches.
7865 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7866 output_parallel_addb): Likewise.
7868 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7870 PR rtl-optimization/27073
7871 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7874 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7876 * tree.h (tree_memory_tag): Add old_used_alone.
7877 (SMT_OLD_USED_ALONE): New macro.
7878 * tree-ssa-alias.c (recalculate_used_alone): Stop
7879 marking things for renaming unnecessarily.
7881 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7883 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7884 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7885 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7886 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7887 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7888 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7889 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7890 spelling convensions.
7891 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7892 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7893 typos. Follow spelling conventions.
7895 2006-04-07 DJ Delorie <dj@redhat.com>
7897 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7898 passed on the stack.
7899 (m32c_init_cumulative_args): When a function returns a structure,
7900 always pass the pointer to that return area on the stack.
7901 (m32c_function_arg_advance): Don't increment the parameter number
7902 if we're processing the returned structure pointer.
7903 (pushm_info): Reverse order of registers.
7905 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7907 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7908 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7909 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7910 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7912 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7913 chrec_fold_multiply): Same.
7914 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7915 force_expr_to_var_cost): Same.
7916 * tree-mudflap.c (mf_xform_derefs_1): Same.
7917 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7919 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7921 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7922 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7925 2006-04-07 Jan Hubicka <jh@suse.cz>
7927 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7929 2006-04-07 Richard Guenther <rguenther@suse.de>
7931 PR tree-optimization/26135
7932 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7933 loads for store copy-prop.
7934 (copy_prop_visit_stmt): Likewise.
7936 2006-04-05 Robert Millan <robertmh@gnu.org>
7938 * config/i386/linux.h: Add a comment to mark macros that are
7939 being overriden in config/k*bsd-gnu.h.
7940 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7942 * config/knetbsd-gnu.h: Ditto.
7944 2006-04-06 Jan Hubicka <jh@suse.cz>
7948 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7951 2006-04-06 Mike Stump <mrs@apple.com>
7953 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7954 for HAVE_nonlocal_goto to be consistent.
7955 (expand_builtin_nonlocal_goto): Likewise.
7956 (expand_builtin_strcmp): Use #ifdef instead of #if
7957 for HAVE_cmpstrnsi to be consistent.
7959 2006-04-05 DJ Delorie <dj@redhat.com>
7961 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7964 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7966 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7967 got-relative addressing for anything but SImode.
7969 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7970 even if the calling function doesn't modify them.
7972 2006-04-05 Richard Guenther <rguenther@suse.de>
7974 PR tree-optimization/26919
7975 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7976 to cgraph_estimate_size_after_inlining.
7978 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7980 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7982 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7984 PR tree-optimization/26996
7985 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7986 VECTOR_TYPE variables.
7988 2006-04-05 Richard Guenther <rguenther@suse.de>
7990 PR tree-optimization/26763
7991 * fold-const.c (fold_comparison): Move folding of
7992 PTR + CST CMP PTR + CST ...
7993 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7995 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7997 * doc/install.texi (Prerequisites): Refine some wording on
7998 bootstrapping and ksh.
7999 Move the version numbers of DejaGnu here from the testing section
8000 and fix casing of names.
8001 Fix markup and clarify wording for autogen requirements.
8002 Refer to GCJ instead of just java.
8003 Refer to SVN instead of CVS.
8004 Describe diffutils as useful instead of necessary.
8005 (Downloading the source): Refer to SVN instead of CVS.
8006 Adjust a link to our web site accordingly.
8007 (Configuration): Fix casing of Bison.
8008 (Building): Refer to SVN instead of CVS.
8009 Fix a sentence on the use of Bison and remove duplicate (and
8010 incorrect) version number of Bison requirement.
8011 Remove one redundant list of packages needed for building.
8012 (Specific): Avoid reference to CVS.
8014 2006-04-04 Eric Christopher <echristo@apple.com>
8016 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8017 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8018 (rs6000_handle_struct_attribute): New.
8019 (rs6000_ms_bitfield_layout_p): Ditto.
8021 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8023 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8024 NULL for dso parameter to atexit_common.
8026 2006-04-04 Eric Christopher <echristo@apple.com>
8028 * config/i386/i386.c (machopic_output_stub): Output \t
8029 between instructions and operands.
8031 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8033 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8034 satisfies_constraint_[IL] to explicit tests on value.
8036 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8038 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8039 set_nb_iterations_in_loop): Use build_int_cst instead of
8041 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8042 build_int_cst instead of convert.
8044 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8046 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8047 new value 2 for incoming.
8048 * function.c (expand_function_start): Call struct_value_rtx
8050 * config/sparc/sparc.md: Comment updated_return.
8051 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8052 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8053 struct return if sparc_std_struct_return and incoming is 2.
8054 (print_operand): Do not adjust return if
8055 sparc_std_struct_return.
8057 2006-04-04 Roger Sayle <roger@eyesopen.com>
8059 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8060 convert in the middle-end.
8061 * expr.c (store_expr, store_constructor, get_inner_reference,
8062 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8064 * tree.c (build_range_type): Likewise.
8066 2006-04-04 Tom Tromey <tromey@redhat.com>
8068 * doc/install.texi (Prerequisites): Mention jar.
8070 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8072 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8075 2006-04-04 Matthias Klose <doko@debian.org>
8077 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8081 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8084 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8086 * doc/extend.texi (Function Attributes): Rewrite visibility
8087 attribute documentation.
8088 * doc/invoke.texi (C++ Dialect Options): Rewrite
8089 -fvisibility-inlines-hidden documentation to describe something
8090 entirely different, although in practise compatible.
8091 (Code Gen Options): Warn about system headers in -fvisibility=
8094 * doc/extend.texi (Other Builtins): Document that
8095 __builtin_nan is a compile-time constant only when its argument
8098 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8100 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8101 trying to remove TRUNCATE check if all bits outside the new mode
8102 are identical to the sign bit.
8104 2006-04-03 Jeff Law <law@redhat.com>
8106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8107 and operand scanning in some common cases.
8109 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8110 Dale Johannesen <dalej@apple.com>
8113 * regclass.c (struct reg_pref): Update documentation.
8114 (regclass): Set prefclass to NO_REGS if memory is the best option.
8115 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8116 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8117 into account. For non-registers, equate an empty preferred
8118 reload class to a `!' in the constraint; move the if clause to
8119 do so after those that reject the insn.
8120 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8122 (find_dummy_reload): Likewise.
8123 * doc/tm.texi (Register Classes): Document what it means
8124 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8125 * config/i386/i386.c (ix86_preferred_reload_class): Force
8126 using SSE registers (and return NO_REGS for floating-point
8127 constants) if math is done with SSE.
8128 (ix86_preferred_output_reload_class): New.
8129 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8130 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8131 * config/i386/i386.md: Remove # register preferences.
8133 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8136 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8137 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8138 the type of nb_iter.
8139 (instantiate_parameters_1): Convert the operands before calling
8140 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8141 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8143 2006-04-02 Roger Sayle <roger@eyesopen.com>
8145 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8146 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8148 * dojump.c (do_jump): Likewise.
8149 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8150 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8151 gimplify_boolean_expr): Likewise.
8152 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8153 * varasm.c (array_size_for_constructor): Likewise.
8154 * tree-object-size.c (compute_object_offset): Likewise.
8156 2006-04-02 Roger Sayle <roger@eyesopen.com>
8159 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8160 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8162 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8164 PR tree-optimization/26939
8165 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8167 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8169 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8170 at_stmt. Convert the type of operands before calling
8171 build_polynomial_chrec.
8172 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8174 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8175 (instantiate_parameters_1): Convert the type of operands before calling
8176 build_polynomial_chrec.
8177 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8178 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8179 reset_evolution_in_loop): Insert asserts to check the types of the
8181 (chrec_type): Moved...
8182 (eq_evolutions_p): Use operand_equal_p.
8183 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8184 the types of the operands.
8185 (chrec_type): ...here.
8186 * tree-data-ref.c (create_data_ref): Convert the operands before
8187 calling chrec_replace_initial_condition.
8188 (same_access_functions, analyze_subscript_affine_affine,
8189 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8190 (compute_subscript_distance, analyze_ziv_subscript,
8191 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8192 analyze_miv_subscript): Convert the operands before calling
8193 chrec_fold_minus or chrec_fold_plus.
8195 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8197 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8198 the dependence_relations vector.
8199 (compute_data_dependences_for_loop): Adjust call to
8200 compute_all_dependences.
8202 2006-04-01 Roger Sayle <roger@eyesopen.com>
8203 Richard Henderson <rth@redhat.com>
8205 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8206 gimple_boolify on the condition before calling gimplify_expr.
8208 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8210 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8211 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8212 the frame size. Update to use the new macros.
8213 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8214 * config/xtensa/ieee754-df.S: Likewise.
8216 2006-03-31 Richard Henderson <rth@redhat.com>
8218 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8219 (make_edges): ... here. Control fallthru creation with a local
8220 variable. Do not play with fake edges.
8221 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8222 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8225 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8227 * dwarf2.h (DW64_CIE_ID): Define.
8228 * dwarf2out.c (DWARF_CIE_ID): Define.
8229 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8230 length header. Use DWARF_CIE_ID.
8231 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8232 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8234 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8236 * config/sh/linux-atomic.asm: New file.
8237 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8239 2006-03-31 DJ Delorie <dj@redhat.com>
8241 * config/m32c/cond.md: Set condition flags properly throughout.
8242 * config/m32c/minmax.md: Likewise.
8243 * config/m32c/prologue.md: Likewise.
8244 * config/m32c/bitops.md: Likewise.
8245 * config/m32c/muldiv.md: Likewise.
8246 * config/m32c/mov.md: Likewise.
8247 * config/m32c/addsub.md: Likewise.
8248 * config/m32c/m32c.md: Likewise.
8249 * config/m32c/jump.md: Likewise.
8250 * config/m32c/shift.md: Likewise.
8252 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8253 conditionally output the pattern for this.
8254 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8255 (m32c_compare_redundant): New.
8256 (m32c_output_compare): New.
8257 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8259 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8260 dest, not src. Allow other 4-byte modes.
8262 2006-03-30 Denis Chertykov <denisc@overta.ru>
8264 * doc/md.texi: Refer to avr/constraints.md instead of
8267 2006-03-30 Roger Sayle <roger@eyesopen.com>
8269 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8270 signed vs. unsigned comparison failures on some hosts.
8272 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8275 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8276 change to FLOAT_REGS.
8278 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8279 (rs6000_override_options): Use it.
8280 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8281 only for -mabi=spe/no-spe and -mabi=altivec.
8283 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8285 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8288 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8290 * Makefile.in: Rename docdir to gcc_docdir.
8292 2006-03-30 Roger Sayle <roger@eyesopen.com>
8295 * expr.c (emit_group_store): Optimize group stores into a pseudo
8296 register by using a paradoxical subreg to initialize the destination
8297 if the first or last member of the group specifies a "low part".
8299 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8302 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8303 * target.h (struct gcc_target.speculate_insn): Change type of the
8304 second parameter to 'int'.
8305 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8306 the second operand of the DEPS_LIST.
8307 (copy_DEPS_LIST_list): Update reference to the second operand of the
8309 * rtl.h (alloc_DEPS_LIST): Update signature.
8310 * sched-int.h (ds_t): Change typedef to 'int'.
8311 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8313 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8315 * haifa-sched.c (try_ready): Change condition to restore
8316 non-speculative pattern of the instruction.
8317 (process_insn_depend_be_in_spec): Code to keep probability of the
8318 speculative dependence non-decreasing.
8320 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8322 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8323 (single_move_for_movmem): ... this. Also change all uses.
8324 (bfin_expand_strmov): Renamed to...
8325 (bfin_expand_movmem): ... this. Also change all uses.
8326 * config/bfin/bfin.md (movstrsi): Renamed to...
8327 (movstrsi): ...this.
8329 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8331 PR tree-optimization/26830
8333 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8334 (copy_prop_visit_stmt): Remove write-only variable ann.
8335 (init_copy_prop): Check variable loop depth here. Do not simulate
8336 memory-tag and virtual operand PHIs except for store copy prop.
8338 2006-03-30 Richard Guenther <rguenther@suse.de>
8340 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8341 variants with double arguments.
8343 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8345 * genpreds.c (write_tm_constrs_h): Delete variable p.
8346 * genconditions.c (write_header): Add tm-constrs.h to included
8348 * genpeep.c (main): Add toplev.h to included headers.
8349 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8350 (build/genpeep.o): Add toplev.h dependency.
8351 * config/rs6000/constraints.md: Add "W" constraint.
8353 2006-03-29 Roger Sayle <roger@eyesopen.com>
8355 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8356 sizes by correctly testing whether the size fits a host integer.
8357 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8358 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8359 SImode range for the default sizetype and bitsizetype.
8361 2006-03-29 Roger Sayle <roger@eyesopen.com>
8363 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8364 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8365 quickly if the argument is already of the correct type.
8366 Call fold_build1 instead of build1. Tidy up blank lines.
8368 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8370 * genemit.c (main): Add tm-constrs.h to included headers.
8371 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8372 * genpeep.c (main): Add tm-constrs.h to included headers.
8373 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8374 (write_tm_constrs_h): this and write complete file.
8375 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8376 (write_insn_preds_c): Add tm-constrs.h to included headers.
8377 (gen_constrs): New variable.
8378 (parse_option): Parse "-c".
8379 (main): Invoke write_tm_constrs_h.
8380 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8381 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8382 (object_out_file): Add tm-constrs.h dependency.
8383 (insn-emit.o): Same.
8384 (insn-output.o): Same.
8385 (insn-peep.o): Same.
8386 (insn-preds.o): Same.
8387 (insn-recog.o): Same.
8388 (tm-constsr.h): New target.
8389 (s-constrs-h): New target.
8391 * config/rs6000/constraints.md: New file.
8392 * config/rs6000/rs6000.c: Include tm-constrs.h.
8393 (num_insn_constant_wide): Convert to satisfies_constraint.
8394 (rs6000_rtx_costs): Convert to satisfies_constraint.
8395 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8396 (CONST_OK_FOR_LETTER_P): Delete.
8397 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8398 (EXTRA_CONSTRAINT): Delete.
8399 (EXTRA_MEMORY_CONSTRAINT): Delete.
8400 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8401 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8402 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8403 satisfies_constraint.
8405 * config/i386/i386.c: Include tm-constrs.h.
8407 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8409 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8410 * tree-data-ref.c (find_data_references_in_loop,
8411 compute_data_dependences_for_loop): Use pointers to VEC.
8412 (analyze_all_data_dependences): Adjust calls.
8413 * tree-data-ref.h (find_data_references_in_loop,
8414 compute_data_dependences_for_loop): Adjust declarations.
8415 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8416 compute_data_dependences_for_loop.
8418 2006-03-29 Paul Brook <paul@codesourcery.com>
8420 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8423 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8425 PR tree-optimization/26859
8426 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8428 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8429 for the step after fold_convert.
8431 2006-03-29 Paul Brook <paul@codesourcery.com>
8433 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8434 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8436 2006-03-29 Paul Brook <paul@codesourcery.com>
8439 * targhooks.c (default_narrow_bitfield): New fuction.
8440 * targhooks.h (default_narrow_bitfield): add prototype.
8441 * target.h (gcc_target): Add narrow_volatile_bitfield.
8442 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8443 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8444 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8445 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8447 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8449 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8451 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8452 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8453 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8454 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8455 (s390_function_arg_float): Allow SDmode and DDmode values to be
8456 passed in floating point registers.
8457 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8458 check with SCALAR_FLOAT_MODE_P.
8459 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8461 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8463 PR tree-optimization/25985
8464 * tree-ssa-loop-niter.c (number_of_iterations_le,
8465 number_of_iterations_ne): Make comments more precise.
8466 (number_of_iterations_cond): Add only_exit argument. Use the
8467 fact that signed variables do not overflow only when only_exit
8469 (loop_only_exit_p): New.
8470 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8471 number_of_iterations_cond.
8473 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8475 PR tree-optimization/26643
8476 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8479 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8481 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8482 (divsi3_i4_int): Likewise.
8484 2006-03-28 Roger Sayle <roger@eyesopen.com>
8486 * expr.c (emit_group_store): Only create a new pseudo reg if the
8487 quantity it needs to hold isn't already a suitable pseudo.
8489 2006-03-28 Jeff Law <law@redhat.com>
8491 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8492 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8494 2006-03-28 Roger Sayle <roger@eyesopen.com>
8496 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8497 the equivalent ~X & Y, and the symmetry related transformations.
8498 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8499 ~X & Y, and symmetry related transforms.
8501 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8503 Revert my 2006-03-27 patches.
8505 2006-03-28 Roger Sayle <roger@eyesopen.com>
8507 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8508 ~(T1)X, when T1 and T2 are integer types of the same precision
8509 and (T2)X isn't an extension.
8511 2006-03-28 Jeff Law <law@redhat.com>
8513 PR tree-optimization/26796
8514 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8515 need EH edge cleanups rather than purging them immediately.
8516 (eliminate_degenerate_phis): Handle queued EH cleanups.
8518 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8520 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8523 2006-03-27 Roger Sayle <roger@eyesopen.com>
8526 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8527 cast BIT_NOT_EXPR operand to the correct type.
8529 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8531 * tree-loop-linear.c: Don't include varray.h.
8532 (gather_interchange_stats, try_interchange_loops,
8533 linear_transform_loops): Use VEC instead of VARRAY.
8534 * lambda-mat.c: Don't include varray.h.
8535 * tree-chrec.c: Same.
8536 * lambda-trans.c: Same.
8537 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8538 VEC instead of VARRAY.
8539 * tree-vectorizer.h: Idem.
8540 * tree-data-ref.c (dump_data_references,
8541 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8542 initialize_data_dependence_relation, finalize_ddr_dependent,
8543 compute_all_dependences, find_data_references_in_loop,
8544 compute_data_dependences_for_loop, analyze_all_data_dependences,
8545 free_dependence_relation, free_dependence_relations,
8546 free_data_refs): Idem.
8547 * tree-data-ref.h (data_reference_p, subscript_p): New.
8548 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8549 VEC instead of VARRAY.
8550 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8551 (find_data_references_in_loop, compute_data_dependences_for_loop,
8552 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8553 dump_data_dependence_relations, free_dependence_relations,
8554 free_data_refs): Adjust declaration.
8555 (lambda_transform_legal_p): Move declaration here...
8556 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8557 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8558 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8559 vect_analyze_data_refs): Use VEC instead of VARRAY.
8560 * lambda.h (lambda_transform_legal_p): ...from here.
8561 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8562 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8563 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8564 tree-chrec.o): Don't depend on VARRAY_H.
8566 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8568 * rtl.def (Copyright): Update date.
8569 (DEPS_LIST): Change type of the second operand to 'int'.
8570 * target.h (Copyright): Update date.
8571 (struct gcc_target.speculate_insn): Change type of the second parameter
8573 * lists.c (Copyright): Update date.
8574 (alloc_DEPS_LIST): Change signature. Update reference to the second
8575 operand of the DEPS_LIST.
8576 (copy_DEPS_LIST_list): Update reference to the second operand of the
8578 * rtl.h (Copyright): Update date.
8579 (alloc_DEPS_LIST): Update signature.
8580 * sched-int.h (Copyright): Update date.
8581 (ds_t): Change typedef to 'int'.
8582 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8584 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8586 * haifa-sched.c (Copyright): Update date.
8587 (try_ready): Change condition to restore non-speculative pattern
8589 (process_insn_depend_be_in_spec): Code to keep probability of the
8590 speculative dependence non-decreasing.
8592 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8594 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8595 shut up the compiler.
8597 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8599 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8600 to use lib prefix for target.
8601 ($(T)libic_invalidate_array_4-200.a): Likewise.
8602 ($(T)libic_invalidate_array_4a.a): Likewise.
8604 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8605 J"orn Rennecke <joern.rennecke@st.com>
8607 * superh.opt: New file.
8608 * sh.c (boardtype, osruntime): Remove.
8609 * superh.h (SUBTARGET_OPTIONS): Remove.
8610 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8612 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8613 arguments with ^ and/or [].
8615 * config.gcc (sh-*-*): Add quoting to account for quirk of
8617 Replace == with = in enable_incomplete_targets test.
8619 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8620 with MASK_LITTLE_ENDIAN.
8622 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8623 * config/sh/sh.opt: Added to some comments.
8624 * config/sh/superh.h: Removed some chaff.
8626 * config/sh/sh.opt: Add m4-[1234]00* options.
8627 * config/sh/sh.c (sh_handle_option): Likewise.
8628 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8629 (ic_invalidate_array_4-100.o): New rule.
8630 ($(T)libic_invalidate_array_4-100.a): Likewise.
8631 (ic_invalidate_array_4-200.o): Likewise.
8632 ($(T)libic_invalidate_array_4-200.a): Likewise.
8633 (ic_invalidate_array_4a.o): Likewise.
8634 ($(T)libic_invalidate_array_4a.a): Likewise.
8635 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8636 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8638 * config/sh/crt1.asm: Merged in profiling code.
8639 * config/sh/superh.h (STARTFILE_SPEC): Override.
8640 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8641 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8642 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8644 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8645 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8646 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8648 * sh.opt (mpretend-cmove): New option.
8649 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8650 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8651 (movsicc): Add TARGET_PRETEND_CMOVE code.
8653 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8655 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8656 s390_class_max_nregs): New function prototypes.
8657 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8658 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8659 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8660 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8662 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8664 * dwarf2out.c (add_location_or_const_value_attribute): Call
8665 tree_add_const_value_attribute if nothing else works.
8666 (reference_to_unused): New.
8667 (rtl_for_decl_init): Use reference_to_unused to decide whether
8668 to output an initializer.
8670 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8673 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8674 peephole removing spe frob_di_df_2.
8676 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8678 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8679 (subscript_dependence_tester_1): Declared.
8680 (print_dir_vectors, print_dist_vectors): New.
8681 (debug_data_dependence_relation): New.
8682 (dump_data_dependence_relation): Print more details.
8683 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8684 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8685 (save_dist_v, save_dir_v, add_outer_distances,
8686 build_classic_dist_vector_1): New.
8687 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8688 Don't test for lambda_vector_lexico_pos.
8689 (same_access_functions, add_multivariate_self_dist,
8690 add_other_self_distances, dir_from_dist): New.
8691 (build_classic_dir_vector): Replace implementation almost identical to
8692 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8694 (subscript_dependence_tester_1): New.
8695 (subscript_dependence_tester): Handle the lexicographically negative
8696 distance vectors by recomputing the dependence relation.
8697 (compute_affine_dependence): Remove parameter loop_nest_depth.
8698 (compute_self_dependence): Don't call compute_subscript_distance.
8699 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8700 Add a parameter for the loop_nest.
8701 (find_loop_nest_1, find_loop_nest): New.
8702 (compute_data_dependences_for_loop): Compute the loop nest, and give
8703 up if the nest is not well formed.
8704 * tree-data-ref.h (loop_p): New.
8705 (struct data_dependence_relation): Replace size_vect field with
8706 loop_nest, a vec of loops.
8707 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8708 (DDR_LOOP_NEST): New.
8709 (print_dir_vectors, print_dist_vectors,
8710 debug_data_dependence_relation): Declared.
8711 (index_in_loop_nest): New.
8712 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8713 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8716 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8718 * simplify-rtx.c (simplify_relational_operation): Call
8719 simplify_relational_operation_1 even if mode is VOIDmode.
8721 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8723 PR tree-optimization/26804
8724 * tree.h (DECL_CALL_CLOBBERED): New macro.
8725 (tree_decl_common): Add call_clobbered_flag.
8726 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8727 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8728 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8729 (mark_non_addressable): Ditto.
8730 * tree-ssa.c (verify_call_clobbered): New function.
8731 (verify_alias_info): Use it.
8732 * tree-pass.h (pass_reset_cc_flags): New prototype.
8733 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8734 (reset_cc_flags): New function.
8735 * passes.c (init_optimization_passes): Call reset_cc_flags after
8736 initializing referenced_vars.
8738 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8739 Roger Sayle <roger@eyesopen.com>
8742 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8743 to 1.0 for non-real operands. Implement A / A optimization for
8746 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8748 * config/i386/i386.c (size_cost): Correct the comment for
8749 cost of storing fp registers.
8750 (i386_cost): Likewise.
8751 (i486_cost): Likewise.
8752 (pentium_cost): Likewise.
8753 (pentiumpro_cost): Likewise.
8754 (k6_cost): Likewise.
8755 (athlon_cost): Likewise.
8756 (k8_cost): Likewise.
8757 (pentium4_cost): Likewise.
8758 (nocona_cost): Likewise.
8759 (generic64_cost): Likewise.
8760 (generic32_cost): Likewise.
8762 2006-03-24 Denis Chertykov <denisc@overta.ru>
8764 * config/avr/avr-protos.h (extra_constraint): Delete.
8765 (extra_constraint_Q): New declaration.
8766 * config/avr/constraints.md: New file.
8767 * config/avr/avr.md: Include it.
8768 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8769 (TMP_REGNO, ZERO_REGNO): Likewise.
8770 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8771 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8772 (extra_constraint): Delete.
8773 (extra_constraint_Q): Test for memory constraint 'Q'.
8774 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8775 (REG_CLASS_FROM_LETTER): Delete.
8776 (CONST_OK_FOR_LETTER_P): Delete.
8777 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8778 (EXTRA_CONSTRAINT): Delete.
8779 (TMP_REGNO): Delete.
8780 (ZERO_REGNO): Delete.
8782 2006-03-24 Jeff Law <law@redhat.com>
8784 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8785 directly. Call mark_new_vars_to_rename slightly earlier.
8787 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8789 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8791 (gen_compile_unit_die): Use new language types for Objective-C and
8793 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8794 DW_LANG_C_plus_plus.
8797 * config/t-darwin (crt3.o): Work around bug 26840.
8798 * config/darwin-crt3.c: Rewrite.
8799 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8801 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8803 * doc/invoke.texi: Document -femit-class-debug-always
8804 * common.opt: Add -femit-class-debug-always.
8806 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8808 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8809 index and base register.
8810 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8811 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8812 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8813 REGNO_OK_FOR_INDEX_P.
8814 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8816 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8817 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8818 REG_OK_FOR_BASE_P): Definitions removed.
8820 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8823 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8824 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8825 set yet or weren't marked as local yet.
8827 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8829 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8832 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8834 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8835 (rs6000_legitimate_small_data_p): Delete.
8836 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8837 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8838 and make static. Add forward declaration. Update uses.
8839 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8840 of offsettable_memref_p.
8841 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8842 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8844 2006-03-24 Jeff Law <law@redhat.com>
8846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8847 around bug in immediate-use iterator.
8849 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8852 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8853 or __LITTLE_ENDIAN__.
8855 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8857 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8858 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8859 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8860 * config/sh/sh.opt (mdiv=): Amend description.
8861 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8862 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8863 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8864 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8865 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8866 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8867 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8868 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8869 TARGET_DIVIDE_CALL_FP.
8871 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8873 * haifa-sched.c (choose_ready): Fix type of the local variable.
8874 Move local variables. Add comment.
8875 (check_reg_live): Change signature. Make callable from debugger.
8876 * sched-int.h (check_reg_live): Update signature.
8877 * sched-ebb.c (check_reg_live): Update parameters.
8878 * sched-rgn.c (check_reg_live): Ditto.
8879 (region_head_or_leaf_p): Check pointer before dereferencing.
8880 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8881 before reload on optimization levels below 1.
8883 2006-03-23 Richard Henderson <rth@redhat.com>
8885 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8889 * config/alpha/predicates.md (local_symbolic_operand): Reject
8892 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8895 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8896 expressions which have overflowed constants.
8898 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8900 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8902 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8904 * cfgloopmanip.c (create_loop_notes): Removed.
8905 * final.c (final_scan_insn): Do not handle loop notes.
8906 * jump.c (squeeze_notes): Ditto.
8907 * cfglayout.c (skip_insns_after_block,
8908 duplicate_insn_chain): Ditto.
8909 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8911 * cfgloop.h (create_loop_notes): Declaration removed.
8913 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8915 * varasm.c (output_constant_pool): Restore fnname and fndecl
8917 (assemble_start_function): Adjust call accordingly.
8918 (assemble_end_function): Likewise.
8920 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8923 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8926 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8928 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8931 * system.h (ICE_EXIT_CODE): New macro.
8932 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8933 (diagnostic_action_after_output): Likewise.
8934 * gcc.c (fatal_ice): New function.
8935 (execute): Use it instead of fatal.
8936 (fancy_abort): Likewise.
8937 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8939 2006-03-22 Jeff Law <law@redhat.com>
8941 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8942 iv_analyze_result returning false.
8944 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8946 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8948 2006-03-22 Richard Henderson <rth@redhat.com>
8951 * except.c (duplicate_eh_regions_0): New.
8952 (duplicate_eh_region_1): Duplicate the children of the node as
8953 well as the node itself. Link them up properly.
8954 (duplicate_eh_region_2): Merge into ...
8955 (duplicate_eh_regions): ... here. Take copy_region argument, and
8956 copy only a sub-tree if asked. Simplify copying and fixup.
8957 (eh_region_outer_p): New.
8958 * except.h (duplicate_eh_regions): Update decl.
8959 (eh_region_outer_p): Declare.
8960 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8961 (lower_omp_master): Likewise.
8962 (lower_omp_ordered): Likewise.
8963 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8964 (move_stmt_r): Use it to remap labels. Handle recursion vs
8965 remap_decls_p properly.
8966 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8967 (find_outermost_region_in_block): New.
8968 (new_label_mapper): New.
8969 (move_sese_region_to_fn): Copy eh information to the new function
8971 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8973 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8976 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8978 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8979 into shared libraries.
8981 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8983 * doc/md.texi: Refer to i386/constraints.md instead of
8985 * config/i386/constraints.md: New file, extracted from...
8986 * config/i386/predicates.md: ...here.
8987 * config/i386/i386.md: Include constraints.md.
8989 2006-03-21 Jason Merrill <jason@redhat.com>
8991 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8994 * expr.c (init_block_move_fn): Force default visibility.
8995 (init_block_clear_fn): Likewise.
8996 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8997 * targhooks.c (default_external_stack_protect_fail): Likewise.
8999 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9001 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9002 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9003 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9004 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9005 (loadgp): Use mips_current_loadgp_style.
9006 (loadgp_noshared): New pattern.
9007 (sibcall_internal): Use MIPS_CALL.
9008 (sibcall_value_internal): Likewise.
9009 (sibcall_value_multiple_internal): Likewise.
9010 (call_internal): Likewise.
9011 (call_value_internal): Likewise.
9012 (call_value_multiple_internal): Likewise.
9013 (call_split): Use MIPS_CALL and add an 'S' constraint.
9014 (call_value_split): Likewise.
9015 (call_value_multiple_split): Likewise.
9016 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9017 (-mshared): New option.
9018 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9019 (mips_current_loadgp_style): Declare.
9020 * config/mips/mips.c (mips_classify_symbol): Avoid using
9021 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9022 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9023 TARGET_ABSOLUTE_ABICALLS.
9024 (override_options): Adjust comments. Improve the warning that is
9025 issued when -mabicalls and -G are used together.
9026 (mips_file_start): Remove comment.
9027 (mips_current_loadgp_style): New function.
9028 (mips_gnu_local_gp): New variable.
9029 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9031 (mips_output_function_prologue): Use mips_current_laodgp_style.
9032 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9033 the cprestore instruction.
9034 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9035 live for TARGET_ABSOLUTE_ABICALLS.
9036 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9037 (ASM_SPEC): Pass down -mshared and -mno-shared.
9038 (MIPS_CALL): New macro.
9039 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9041 * doc/invoke.texi (-mabicalls): Update documentation.
9042 (-mshared): Document.
9044 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9046 * config/ia64/unwind-hpux.c: New file.
9047 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9049 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9052 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9054 2006-03-21 Jeff Law <law@redhat.com>
9056 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9057 type conversions of a VR_VARYING source to a wider type.
9059 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9061 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9062 tm_file on Solaris 10 and later.
9063 (sparc64-*-solaris2*): Likewise.
9064 (sparc-*-solaris2*): Likewise.
9065 * config/sol26.h: Rename to config/sol2-6.h.
9066 * config/sol2-10.h: New file.
9068 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9071 * tree-ssa-pre.c (create_component_ref_by_pieces):
9074 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9077 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9078 return it immediately.
9080 2006-03-21 Michael Matz <matz@suse.de>
9082 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9084 (remove_arc, add_arc): Update num_out_arcs member.
9085 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9087 (cache_presence): New function.
9088 (compare_states_for_equiv): New function.
9089 (state_is_differed): Don't take number of outargs, adjust callers.
9090 Use new invariant for speeding up.
9091 (init_equiv_class): Create initial classes based on sorted
9093 (partition_equiv_class): Don't track out_arcs_num.
9094 (evaluate_equiv_classes): Call cache_presence on all states and
9097 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9099 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9100 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9101 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9102 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9104 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9105 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9106 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9107 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9108 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9110 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9111 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9112 (REGNO_REG_CLASS): ARGP is in PREGS.
9113 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9115 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9116 to deal with those addresses.
9117 * addresses.h: New file.
9118 * caller-save.c: Include "addresses.h".
9119 (init_caller_save): Use new base_reg_class function.
9120 * rtl-factoring.c: Include "addresses.h".
9121 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9122 * recog.c: Include "addresses.h".
9123 (preprocess_constraints): Use new base_reg_class function.
9124 * regrename.c: Include "addresses.h".
9125 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9126 functions. Keep track of a new var INDEX_CODE to compute valid
9128 (replace_oldest_value_addr): Likewise.
9129 (replace_oldest_value_mem): Use base_reg_class.
9130 * reload.c: Include "addresses.h".
9131 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9132 (find_reloads): Use new base_reg_class function.
9133 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9134 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9135 all callers and prototype changed.
9136 * reload1.c: Include "addresses.h".
9137 (maybe_fix_stack_asms): Use base_reg_class.
9138 * regclass.c: Include "addresses.h".
9139 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9140 (init_reg_autoinc): Use new base_reg_class function.
9141 (record_reg_classes): Likewise.
9142 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9143 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9144 Use new args to compute necessary class.
9146 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9147 regrename.o, rtl-factoring.o): Update dependencies.
9148 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9149 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9150 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9151 REG_OK_FOR_INDEX_P): Delete documentation.
9153 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9155 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9156 from V7 to V9 for Solaris 7 and above.
9158 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9160 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9161 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9162 argument pointers may not alias any other storage.
9163 * common.opt: Define option -fargument-noalias-anything.
9164 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9165 alias semantics is specified by flag_argument_noalias > 2.
9167 2006-03-20 Jeff Law <law@redhat.com>
9169 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9170 (pass_phi_only_cprop): Declare.
9171 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9173 * tree-ssa-dom.c (degenerate_phi_result): New function.
9174 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9175 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9176 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9177 (eliminate_degenerate_phis): Likewise.
9178 (pass_phi_only_cprop): New pass descriptor.
9179 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9180 support code. Callers updated.
9181 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9182 (store_copy_prop): Likewise.
9183 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9185 2006-03-20 Jason Merrill <jason@redhat.com>
9188 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9189 (push_visibility, pop_visibility): Likewise.
9190 * c-pragma.h: Declare them.
9192 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9194 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9196 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9197 parameter and use get_ebb_head_tail.
9198 (sh_md_init_global): Adjust uses of find_regmode_weight.
9200 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9202 * function.h (struct function) <x_tail_recursion_reentry>:
9203 Rename to x_stack_check_probe_note.
9204 (tail_recursion_reentry): Rename to stack_check_probe_note.
9205 * function.c: Replace tail_recursion_reentry with
9206 stack_check_probe_note everywhere.
9207 (expand_function_start): Only emit a note for
9208 stack_check_probe_note with -fstack-protect.
9209 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9211 * emit-rtl.c (remove_unnecessary_notes): Remove.
9212 (pass_remove_unnecessary_notes): Remove.
9213 * rtl.h (remove_unnecessary_notes): Remove prototype.
9214 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9215 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9216 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9218 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9221 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9222 (valid_in_set): Handle ARRAY_REF.
9223 Change "if min_variant or VH" to asserts.
9224 (create_component_ref_by_pieces): Handle ARRAY_REF.
9225 (create_expression_by_pieces): Likewise.
9226 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9228 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9230 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9231 is operand of switch, not str[0].
9233 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9235 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9236 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9238 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9240 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9241 end of insn_extra_address_constraint declaration.
9243 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9245 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9246 (no-sum-in-toc): Same.
9247 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9249 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9250 NO_FP_IN_TOC for -fPIC instead of mask.
9252 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9253 (BOOT_LDFLAGS): Delete.
9255 * config/rs6000/t-aix52: Same.
9257 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9258 (stmsi[345678]_power): New.
9260 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9262 * config/ia64/ia64.opt: Add empty line to end of file.
9264 2006-03-17 Richard Guenther <rguenther@suse.de>
9267 * builtins.c (get_pointer_alignment): For component style references
9268 adjust alignment to the component type alignment. Make sure
9269 to adjust alignment for component access of constants.
9271 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9273 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9276 2006-03-17 Paul Brook <paul@codesourcery.com>
9278 * doc/install.texi: Docuemnt --with-mode.
9279 * config.gcc: Add --with-mode for arm*-*-*.
9280 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9282 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9284 * sh.c (max_labelno_before_reorg): New variable.
9285 (sh_reorg): Initialize it.
9286 (find_barrier): Check max_labelno_before_reorg before using
9287 label_to_alignment. Take length of explicit alignment insns
9288 into account. When seeing a UNSPECV_CONST_END, return it.
9290 * sh.c (fixup_mova): Set mode of affected label to QImode.
9291 (untangle_mova): New function.
9292 (find_barrier): Use it. Check mode of label before decrementing
9294 (sh_reorg): Likewise.
9295 Set mode of all insns back to VOIDmode.
9297 * sh.c (MOVA_LABELREF): New macro.
9298 (mova_p, fixup_mova, sh_reorg): Use it.
9299 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9300 ADDR_DIFF_VEC matches mova.
9302 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9304 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9305 with ATTRIBUTE_UNUSED.
9307 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9309 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9310 pointer, instead of assuming it is possible to derive the
9311 correct args size from a call insn.
9313 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9315 * rtl.h (CONST_INT_P): Define.
9316 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9317 instead of GET_CODE(x) == CONST_INT.
9318 (vax_rtx_costs): Likewise.
9319 (vax_output_int_move): Likewise.
9320 (vax_output_int_add): Likewise.
9321 (legitimate_constant_address_p): Likewise.
9322 (index_term_p): Likewise.
9323 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9324 * config/vax/vax.md (and<mode>3): Likewise.
9325 (ashrsi3): Likewise.
9327 (movstricthi): Likewise.
9328 (movstrictqi): Likewise.
9329 (rotrsi3): Likewise.
9330 (five unnamed insns): Likewise.
9332 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9334 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9335 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9336 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9337 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9338 Pass to ASM_OUTPUT_DWARF_OFFSET.
9339 * dwarf2out.c (debug_frame_section): New.
9340 (output_call_frame_info): Use debug_frame_section. Pass it to
9341 dw2_asm_output_offset.
9342 (output_die): Pass appropriate section to dw2_asm_output_offset.
9343 (output_compilation_unit_header): Likewise.
9344 (output_pubnames): Likewise.
9345 (output_aranges): Likewise.
9346 (enum dw_val_class): Break dw_val_class_lbl_offset into
9347 dw_val_class_lineptr and dw_val_class_macptr.
9348 (add_AT_lbl_offset): Delete.
9349 (add_AT_lineptr): New.
9350 (add_AT_macptr): New.
9351 (AT_lbl): Expect a lineptr or macptr.
9352 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9353 (attr_checksum): Likewise.
9354 (same_dw_val_p): Likewise.
9355 (size_of_die): Likewise.
9356 (value_format): Likewise.
9357 (output_die): Likewise.
9358 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9360 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9361 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9362 * config/darwin-protos.h (darwin_file_start): New.
9363 (darwin_asm_output_dwarf_offset): New.
9364 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9365 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9367 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9368 if not EH section; simplify.
9369 (darwin_file_start): New.
9370 (darwin_asm_output_dwarf_offset): New.
9371 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9373 (DEBUG_INFO_SECTION): Likewise.
9374 (DEBUG_ABBREV_SECTION): Likewise.
9375 (DEBUG_ARANGES_SECTION): Likewise.
9376 (DEBUG_MACINFO_SECTION): Likewise.
9377 (DEBUG_LINE_SECTION): Likewise.
9378 (DEBUG_LOC_SECTION): Likewise.
9379 (DEBUG_PUBNAMES_SECTION): Likewise.
9380 (DEBUG_STR_SECTION): Likewise.
9381 (DEBUG_RANGES_SECTION): Likewise.
9382 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9383 (ASM_OUTPUT_DWARF_OFFSET): New.
9385 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9387 * config.gcc (tm_defines): Always add to previous value rather
9390 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9392 * config/mips/predicates.md (splittable_const_int_operand): New,
9393 split from move_operand.
9394 (splittable_symbolic_operand): New.
9395 (move_operand): Add commentary. Use splittable_const_int_operand.
9396 Inline mips_atomic_symbolic_constant_p.
9397 * config/mips/mips.md: Add combine splitters for handling moves
9398 of splittable_const_int_operands and splittable_symbolic_operands.
9399 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9400 (mips_split_symbol): Declare.
9401 (mips_move_integer): Declare.
9402 * config/mips/mips.c (mips_split_p): Make global.
9403 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9404 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9405 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9406 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9407 (mips_offset_within_object_p): Handle block symbols.
9408 (mips_atomic_symbolic_constant_p): Delete.
9409 (mips_cannot_force_const_mem): Return false for constants that
9410 mips_legitimize_move can handle.
9411 (mips_use_blocks_for_constant_p): New function.
9412 (mips_split_symbol): Make global.
9413 (mips_move_integer): Likewise. Add a temporary register argument.
9414 (mips_legitimize_const_move): Use splittable_const_int_operand and
9415 splittable_symbolic_operand.
9416 (mips_use_anchors_for_symbol_p): New function.
9417 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9418 (mips_split_p): Declare.
9420 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9422 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9423 (mips*-*-linux*): Likewise.
9425 2006-03-16 Roger Sayle <roger@eyesopen.com>
9426 Daniel Speyer <dspeyer@wam.umd.edu>
9429 * tree-dump.c (dump_real): New function.
9430 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9431 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9432 (tree-dump.o): Add $(REAL_H) to the dependencies.
9434 2006-03-16 Roger Sayle <roger@eyesopen.com>
9437 * real.c (real_from_string): If the mantissa is zero, don't bother
9438 parsing the exponent as the result should always be zero.
9440 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9442 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9446 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9447 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9448 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9449 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9450 ia64_sched_finish_global): New static functions to implement
9451 hooks from gcc_target.sched.
9452 (spec_check_no, max_uid, pending_data_specs): New static variables.
9453 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9454 ia64_spec_check_src_p): New static functions.
9455 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9456 (TARGET_SCHED_ADJUST_COST): Removed.
9457 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9458 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9459 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9460 TARGET_SCHED_GEN_CHECK,
9461 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9462 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9463 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9464 Fixed to handle speculation checks.
9465 (rtx_needs_barrier): Fixed to handle speculative loads and
9467 (ia64_variable_issue): Added code to count speculative loads and their
9469 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9471 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9473 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9475 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9476 (ia64_reorg): Reset stops_p to NULL after it is freed.
9477 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9478 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9479 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9481 (data_speculative, control_speculative, check_load): New attributes.
9482 (mov<mode>_advanced, mov<mode>_speculative,
9483 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9484 zero_extend<mode>di2_speculative,
9485 zero_extend<mode>di2_speculative_advanced): New patterns for
9486 data and control speculative loads.
9487 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9489 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9490 New pattern for data and control speculation checks.
9491 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9492 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9493 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9494 Auxiliary definitions for the patterns.
9495 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9496 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9498 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9500 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9501 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9502 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9503 New resource constraints.
9504 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9506 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9507 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9508 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9509 msched-in-control-spec, msched-ldc, msched-control-ldc,
9510 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9511 msched-prefer-non-control-spec-insns,
9512 msched-count-spec-in-critical-path): New flags to tune speculative
9514 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9515 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9516 msched-in-control-spec, msched-ldc, msched-control-ldc,
9517 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9518 msched-prefer-non-control-spec-insns,
9519 msched-count-spec-in-critical-path): Document new flags.
9521 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9523 * target.h (struct spec_info_def): New opaque declaration.
9524 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9525 speculate_insn, needs_block_p, gen_check,
9526 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9527 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9528 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9529 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9530 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9531 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9533 (TARGET_SCHED): Use new macros.
9534 * rtl.h (copy_DEPS_LIST_list): New prototype.
9535 * sched-int.h (struct sched_info): Change signature of new_ready field,
9536 adjust all initializations. New fields: add_remove_insn,
9537 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9538 region_head_or_leaf_p.
9539 (struct spec_info_def): New structure declaration.
9540 (spec_info_t): New typedef.
9541 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9542 recovery_block, orig_pat.
9543 (glat_start, glat_end): New variables declaraions.
9544 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9546 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9547 DETACH_LIFE_INFO, USE_GLAT.
9548 (enum SPEC_SCHED_FLAGS): New enumeration.
9549 (NOTE_NOTE_BB_P): New macro.
9550 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9551 attach_life_info, debug_spec_status, check_reg_live): New functions.
9552 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9553 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9555 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9556 * ddg.c (get_block_head_tail): Adjust all uses.
9557 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9558 (sms_sched_info): Initialize new fields.
9559 (contributes_to_priority): Removed.
9560 * haifa-sched.c (params.h): New include.
9561 (get_block_head_tail): Adjust all uses.
9562 (ISSUE_POINTS): New macro.
9563 (glat_start, glat_end): New global variables.
9564 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9565 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9566 old_last_basic_block, before_recovery, current_sched_info_var,
9567 rgn_n_insns, luid): New static variables.
9568 (insn_cost1): New function. Move logic from insn_cost to here.
9569 (find_insn_reg_weight1): New function. Move logic from
9570 find_insn_reg_weight to here.
9571 (reemit_notes, move_insn, max_issue): Change signature.
9572 (move_insn1): Removed.
9573 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9574 extend_bb): New static functions to support extension of scheduler's
9576 (generate_recovery_code, process_insn_depend_be_in_spec,
9577 begin_speculative_block, add_to_speculative_block,
9578 init_before_recovery, create_recovery_block, create_check_block_twin,
9579 fix_recovery_deps): New static functions to support
9580 generation of recovery code.
9581 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9582 restore_bb_notes, move_block_after_check, move_succs): New static
9583 functions to support ebb scheduling.
9584 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9585 functions to support handling of register live information.
9586 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9587 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9588 add_jump_dependencies): New static functions.
9589 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9590 consistancy checking.
9591 (debug_spec_status): New function to call from debugger.
9592 (priority): Added code to handle speculation checks.
9593 (rank_for_schedule): Added code to distinguish speculative instructions.
9594 (schedule_insn): Added code to handle speculation checks.
9595 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9596 Fixed to handle ebbs.
9597 (move_insn): Added code to handle ebb scheduling.
9598 (max_issue): Added code to use ISSUE_POINTS of instructions.
9599 (choose_ready): Added code to choose between speculative and
9600 non-speculative instructions.
9601 (schedule_block): Added code to handle ebb scheduling and scheduling of
9602 speculative instructions.
9603 (sched_init): Initialize new variables.
9604 (sched_finish): Free new variables. Print statistics.
9605 (try_ready): Added code to handle speculative instructions.
9606 * lists.c (copy_DEPS_LIST_list): New function.
9607 * sched-deps.c (extend_dependency_caches): New function. Move logic
9608 from create_dependency_caches to here.
9609 (get_dep_weak, ds_merge): Make global.
9610 * genattr.c (main): Code to output prototype for
9611 dfa_clear_single_insn_cache.
9612 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9613 (output_dfa_clean_insn_cache_func): Code to output
9614 dfa_clear_single_insn_cache function.
9615 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9617 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9619 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9620 New static variables.
9621 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9622 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9624 (ebb_sched_info): Initialize new fields.
9625 (get_block_head_tail): Adjust all uses.
9626 (compute_jump_reg_dependencies): Fixed to use glat_start.
9627 (schedule_ebb): Code to remove unreachable last block.
9628 (schedule_ebbs): Added code to update register live information.
9629 * sched-rgn.c (region_sched_info): Initialize new fields.
9630 (get_block_head_tail): Adjust all uses.
9631 (last_was_jump): Removed. Adjust users.
9632 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9633 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9634 Implement new hooks.
9635 (check_dead_notes1): New static function.
9636 (struct region): New fields: dont_calc_deps, has_real_ebb.
9637 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9638 (BB_TO_BLOCK): Fixed to handle EBBs.
9639 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9640 (ebb_head): New static variable.
9641 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9642 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9644 (compute_dom_prob_ps): New assertion.
9645 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9646 global_live_at_start.
9647 (init_ready_list): New assertions.
9648 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9649 (new_ready): Add support for BEGIN_CONTROL speculation.
9650 (schedule_insns): Fixed code that updates register live information
9652 (schedule_region): Fixed to handle EBBs.
9653 (init_regions): Use extend_regions and check_dead_notes1.
9654 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9655 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9656 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9657 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9658 TARGET_SCHED_GEN_CHECK,
9659 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9660 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9661 * doc/invoke.texi (max-sched-insn-conflict-delay,
9662 sched-spec-prob-cutoff): Document.
9664 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9666 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9667 inter_tick, queue_index.
9668 (struct sched_info): Change signature of init_ready_list field.
9669 Adjust all initializations.
9670 (RESOLVED_DEPS): New access macro.
9671 (ready_add): Remove prototype.
9672 (try_ready): Add prototype.
9673 * sched-rgn.c (init_ready_list): Use try_ready.
9674 (schedule_region): Initialize
9675 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9676 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9677 (init_ready_list): Use try_ready.
9678 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9679 * lists.c (remove_list_elem): Remove `static'.
9680 (remove_free_INSN_LIST_elem): New function.
9681 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9682 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9683 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9685 (readyp): New variable.
9686 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9687 change_queue_index, resolve_dep): New static functions.
9688 (try_ready): New function. Adjust callers in sched-rgn.c and
9689 sched-ebb.c to use it instead of ready_add.
9690 (clock_var): Move at the begining of file.
9691 (rank_for_schedule): Fix typo.
9692 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9693 (ready_lastpos): Enforce assertion.
9694 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9696 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9697 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9698 (queue_to_ready): Use free_INSN_LIST_list.
9699 (early_queue_to_ready): Fix typo.
9700 (schedule_block): Init readyp. Move init_ready_list call after the
9701 initialization of clock_var. Fix error in rejecting insn by
9702 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9703 that previously corrected INSN_TICKs. Add code for handling
9705 (set_priorities): Fix typo.
9706 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9707 Clarify comment and code that keeps current_sched_info->next_tail
9710 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9712 * sched-rgn.c (extend_rgns): New static function.
9713 (find_rgns): Use it.
9714 (gather_region_statistics, print_region_statistics): New static
9716 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9717 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9719 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9720 Andrey Belevantsev <abel@ispras.ru>
9722 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9723 * lists.c (unused_deps_list): New variable.
9724 (free_list): Add assertions to verify the proper distinguishing
9725 between INSN_LISTs and DEPS_LISTs.
9726 (find_list_elem, remove_list_elem, remove_list_node): New static
9728 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9729 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9730 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9731 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9733 (free_INSN_LIST_node): Likewise.
9734 * modulo-sched.c (current_sched_info): Initialize flags field.
9735 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9736 * rtl.def (DEPS_LIST): Define.
9737 * rtl.h: Declare new functions from lists.c.
9738 * sched-deps.c (spec_dependency_cache): New static variable.
9739 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9740 (add_dependence): Change return type to void. Move the logic to ...
9741 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9742 (delete_all_dependences): Add comment about forward_dependency_cache.
9743 Handle spec_dependency_cache. Handle DEPS_LISTs.
9744 (fixup_sched_groups): Clarify the change of priority of output
9745 and anti dependencies.
9746 (sched_analyze_2): Adjust add_dependence calls to create data
9747 speculative dependence.
9748 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9749 Adjust all callers. Handle DEPS_LISTS.
9750 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9751 presence of speculation.
9752 (init_dependency_caches, free_dependency_caches):
9753 Handle spec_dependency_cache.
9754 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9755 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9756 New static functions.
9757 (add_or_update_back_dep, add_or_update_back_forw_dep,
9758 add_back_forw_dep, delete_back_forw_dep): New functions.
9759 * sched-int.h (ds_t, dw_t): New typedefs.
9760 (struct sched_info): Add new field flags.
9761 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9762 Prototype new sched-deps.c functions.
9763 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9764 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9765 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9766 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9767 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9768 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9770 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9772 * sched-rgn.c (current_sched_info): Initialize flags field.
9773 (schedule_insns): Initialize current_sched_info before the sched_init
9775 * sched-ebb.c (current_sched_info): Initialize flags field.
9776 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9777 Call add_or_update_back_dep instead of add_dependence.
9778 Create control speculative dependencies.
9779 (schedule_insns): Initialize current_sched_info before the sched_init
9782 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9784 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9786 (sh_fallback_frame_state): Likewise.
9788 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9790 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9791 Do switch on default_use_cxa_atexit.
9792 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9793 * config/darwin-crt3.o: New.
9794 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9795 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9796 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9798 * config/rs6000/t-darwin: Move crt2.o building to here.
9799 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9800 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9803 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9805 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9806 from '! xxx' to '!xxx' for coding-style conformance.
9807 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9808 (EXTRA_CONSTRAINT): Likewise.
9809 * config/vax/vax.md (four unnamed insns): Likewise.
9811 2006-03-15 Paul Brook <paul@codesourcery.com>
9813 * config/arm/arm.c (minipool_pad): New.
9814 (add_minipool_forward_ref): Include pool alignment padding in address
9816 (push_minipool_fix): Set minipool_pad.
9817 (minipool_pad): Ditto.
9819 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9821 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9822 instead of GET_CODE() == MEM and REG_P() instead of
9824 (print_operand_address): Likewise.
9825 (vax_address_cost): Likewise.
9826 (vax_rtx_costs): Likewise.
9827 (vax_notice_update_cc): Likewise.
9828 (vax_output_int_add): Likewise.
9829 (INDEX_REGISTER_P): Likewise.
9830 (BASE_REGISTER_P): Likewise.
9831 (nonindexed_address_p): Likewise.
9832 (vax_mode_dependent_address_p): Likewise.
9833 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9834 (PRINT_OPERAND): Likewise.
9835 * config/vax/vax.md (ashlsi3): Likewise.
9836 (ashlsi3): Likewise.
9837 (some more unnamed insns): Likewise.
9839 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9841 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9842 iterator-style macro.
9843 (mark_control_dependent_edges_necessary): Update the use of
9844 EXECUTE_IF_CONTROL_DEPENDENT.
9846 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9848 * config/sh/predicates.md (cache_address_operand): Special.
9849 (ua_address_operand): Likewise.
9851 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9853 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9855 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9857 2006-03-15 Andreas Schwab <schwab@suse.de>
9859 * gensupport.c (identify_predicable_attribute): Don't free p_false
9860 when it is still in use.
9862 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9864 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9865 the default setting here.
9867 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9869 * tree-pass.h (pass_cfg): Remove.
9870 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9871 * passes.c (pass_cfg): Don't run it.
9873 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9875 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9876 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9878 (stack_regs_mentioned): Update the uses of
9879 stack_regs_mentioned_data. Don't access the array beyond its
9881 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9882 Don't include gt-reg-stack.h.
9884 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9885 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9887 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9890 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9893 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9895 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9897 2006-03-14 Richard Guenther <rguenther@suse.de>
9899 PR tree-optimization/26672
9900 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9903 2006-03-14 Richard Guenther <rguenther@suse.de>
9905 PR tree-optimization/26667
9906 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9907 node for the callees. Always allow inlining if it will shrink
9910 2006-03-14 Richard Guenther <rguenther@suse.de>
9913 * builtins.c (get_pointer_alignment): Prefer alignment
9914 information from decls over that from types.
9916 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9919 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9921 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9923 * config/rs6000/rs6000.opt (mdlmzb): New option.
9924 (msched-prolog, msched-epilog): Use Var not Mask.
9925 * doc/invoke.texi (-mdlmzb): Document.
9926 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9928 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9929 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9931 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9933 PR rtl-optimization/25739
9934 * bt-load.c (augment_live_range): Free tos pointer.
9936 * gensupport.c (identify_predicable_attribute): Free
9938 * gcov.c (create_file_names): Free name pointer.
9940 2006-03-13 Roger Sayle <roger@eyesopen.com>
9943 * stmt.c (emit_case_nodes): Handle the case where the index is a
9944 CONST_INT, where the comparison mode is specified by the index type.
9946 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9948 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9951 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9953 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9954 (*branch_fp_inverted): Likewise.
9956 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9959 * omp-low.c (expand_omp_for_generic): Mark istart0
9960 and iend0 as addressable.
9962 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9964 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9966 2006-03-13 Jeff Law <law@redhat.com>
9968 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9969 virtual operands are interesting.
9970 (vrp_visit_stmt): Corresponding changes.
9972 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9974 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9976 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9977 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9978 * config/bfin/crti.S: Use it instead of __PIC__.
9979 * config/bfin/crtn.S: Likewise.
9981 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9982 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9984 Lose 'G' modifier for call operand.
9985 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9986 recognize 'G' modifier.
9988 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9991 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9992 * stmt.c (expand_case): Likewise.
9994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9996 PR rtl-optimization/26254
9997 * loop-invariant.c (seq_insns_valid_p): New function.
9998 (move_invariant_reg): Only emit new code if it is valid.
10000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10002 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10004 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10005 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10006 (commit_one_edge_insertion): Do not look for loop notes.
10008 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10010 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10011 flag_test_coverage out of loop.
10013 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10015 * final.c (shorten_branches): Remove outdated comment, and turn
10016 the if branch that guards it to continue.
10018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10020 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10021 * cfgloop.h (struct loop): Remove unused fields.
10023 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10025 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10026 (-dL, -fdump-rtl-loop2): Update the dump file names
10028 * doc/invoke.texi: Update dump file names.
10030 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10032 * predict.c (estimate_probability): Remove.
10033 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10034 * basic-block.h (estimate_probability): Remove prototype.
10035 * passes.c (finish_optimization_passes): Dump branch prediction or
10036 profiling heuristics to the .profile tree dump.
10037 (init_optimization_passes): Unqueue pass_branch_prob.
10039 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10041 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10043 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10044 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10046 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10048 * function.h (frame_offset_overflow): Declare.
10049 * function.c (frame_offset_overflow): New function.
10050 (assign_stack_local_1): Call it to detect that the offset overflows.
10051 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10053 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10055 * config/sh/sh.c: Include alloc-pool.h.
10056 (label_ref_list_pool): New alloc pool.
10057 (label_ref_list_t): New type for lists of labels.
10058 (struct pool_node): Make wend a label_ref_list_t.
10059 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10061 (dump_table): Likewise.
10062 (sh_reorg): Set up the alloc pool before using add_constant and
10063 dump_table, and destroy it when finishing.
10065 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10067 * config/mips/mips.c: Remove redundant comment.
10069 2006-03-10 Jason Merrill <jason@redhat.com>
10072 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10073 the target was declared 'register'.
10075 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10077 * genpreds.c (write_insn_constraint_len): Change definition of
10078 insn_constraint_len to return size_t to match the declaration.
10080 2006-03-10 DJ Delorie <dj@redhat.com>
10082 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10084 (m32c_expand_insv): Fix test for an AND mask.
10086 2006-03-10 Richard Guenther <rguenther@suse.de>
10088 PR middle-end/26565
10089 * builtins.c (get_pointer_alignment): Handle component
10090 references for field alignment.
10092 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10094 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10095 when building with libgloss.
10096 (sh*elf): Implement --without-fp option.
10097 (sh64-superh-linux*): Don't multilib.
10099 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10101 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10103 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10105 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10106 Set it when one of the replacement functions returned true.
10107 Return TODO_cleanup_cfg if cfgchanged is true.
10108 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10110 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10112 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10113 instead of gen_lowpart.
10115 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10117 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10119 (mips_output_order_conditional_branch): Declare.
10120 * config/mips/mips.h (MIPS_BRANCH): New macro.
10121 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10122 for the comparison. Use gen_condjump.
10123 (mips_output_conditional_branch): Rework interface to take the
10124 asm templates for a direct branch and the inverse of a direct branch.
10125 (mips_output_order_conditional_branch): New function.
10126 (mips_builtin_branch_and_move): New function.
10127 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10128 branch condition. Use gen_single_cc as the condition for
10129 __builtin_mips_upper_* or __builtin_mips_lower_*.
10130 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10131 Use VOIDmode for the branch condition.
10132 * config/mips/predicates.md (order_operator): New predicate.
10133 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10134 (branch_fp): Rename to...
10135 (*branch_fp): ...this. Remove mode from comparison operator.
10136 Use new mips_output_conditional_branch interface.
10137 (branch_fp_inverted): Rename to...
10138 (*branch_fp_inverted): ...this and update as for *branch_fp.
10139 (*branch_zero<mode>): Rename to...
10140 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10141 Use mips_output_order_conditional_branch. Only accept ordered
10143 (*branch_zero<mode>_inverted): Rename to...
10144 (*branch_order<mode>_inverted): ...this and update as for
10145 *branch_order<mode>.
10146 (*branch_equality<mode>): Accept zero as the second operand to
10147 the equality operator. Use the new mips_output_conditional_branch
10149 (*branch_equality<mode>_inverted): Likewise.
10150 (condjump): New expander.
10151 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10153 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10154 (bc1any2t, bc1any2f): Likewise.
10155 (single_cc): New expander.
10156 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10158 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10160 * doc/md.texi: Update documentation of MIPS constraints.
10161 * config/mips/constraints.md: New file.
10162 * config/mips/mips.md: Include it.
10163 * config/mips/mips.c (mips_char_to_class): Delete.
10164 (override_options): Don't initialize mips_char_to_class.
10165 * config/mips/mips.h (mips_char_to_class): Delete.
10166 (REG_CLASS_FROM_LETTER): Delete.
10167 (CONST_OK_FOR_LETTER_P): Delete.
10168 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10169 (EXTRA_CONSTRAINT_Y): Delete.
10170 (EXTRA_CONSTRAINT_STR): Delete.
10171 (CONSTRAINT_LEN): Delete.
10172 (EXTRA_MEMORY_CONSTRAINT): Delete.
10174 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10176 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10177 original fn's eh regions.
10179 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10181 * fold-const.c (build_range_check): Make sure to use a valid type to
10182 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10185 (range_predecessor): New static function.
10186 (range_successor): Likewise.
10187 (merge_ranges): Use them to compute predecessors and successors of
10190 2006-03-09 Roger Sayle <roger@eyesopen.com>
10192 PR middle-end/26561
10193 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10194 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10196 2006-03-08 DJ Delorie <dj@redhat.com>
10198 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10199 (addpsi3): Expand to include memory operands. Remove
10200 reload-specific splits.
10201 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10202 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10203 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10204 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10205 (shift1_qi, shift1_hi, insv): New.
10206 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10207 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10208 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10210 * config/m32c/m32c-protos.h: Update as needed.
10211 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10212 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10213 Fail for unrecognized R* constraints.
10214 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10215 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10216 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10218 (m32c_init_libfuncs): New.
10219 (m32c_legitimate_address_p): Add debug wrapper.
10220 (m32c_rtx_costs): New.
10221 (m32c_address_cost): New.
10222 (conversions): Add 'B' prefix.
10223 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10224 operands, or word regnames for QI operands. 'B' prints bit
10226 (m32c_expand_setmemhi): New.
10227 (m32c_expand_movmemhi): New.
10228 (m32c_expand_movstr): New.
10229 (m32c_expand_cmpstr): New.
10230 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10231 (m32c_expand_neg_mulpsi3): Handle non-ints.
10232 (m32c_cmp_flg_0): New.
10233 (m32c_expand_movcc): New.
10234 (m32c_expand_insv): New.
10235 (m32c_scc_pattern): New.
10236 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10237 a0/a1 out of SIregs.
10238 (STORE_FLAG_VALUE): New.
10239 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10242 * config/m32c/mov.md: Make constraints more liberal.
10243 (zero_extendqihi2): Optimize r0/r1 case.
10244 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10245 * config/m32c/predicates.md (m32c_any_operand): New.
10246 (m32c_nonimmediate_operand): New.
10247 (m32c_hl_operand): New.
10248 (m32c_r3_operand): New.
10251 (memsym_operand): New.
10252 (memimmed_operand): New.
10253 (a_qi_operand): New.
10254 (m32c_eqne_operator): New.
10255 (m32c_1bit8_operand): New.
10256 (m32c_1bit16_operand): New.
10257 (m32c_1mask8_operand): New.
10258 (m32c_1mask16_operand): New.
10259 * config/m32c/blkmov.md: New file.
10260 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10262 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10264 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10265 unsigned to fix signed/unsigned comparison issue in
10266 DWARF2_FRAME_REG_OUT.
10267 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10268 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10270 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10271 of ptr into the ENABLE_CHECKING section.
10273 2006-03-08 Jeff Law <law@redhat.com>
10275 * tree-vrp.c (infer_value_range): Only count pointer uses
10276 and dereferences if -fdelete-null-pointer-checks is enabled.
10278 * tree-vrp.c (find_assert_locations): Infer value ranges for
10279 single use pointers, but do not create ASSERT_EXPRs for them.
10280 When a non-null range is inferred for a pointer, backwards
10281 propagate that range to other equivalent pointers through the
10284 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10287 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10288 language hook targets.
10289 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10290 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10291 if language hook targets were missing.
10293 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10295 * tree-ssa-opfinalize.h: Removed.
10296 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10298 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10299 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10300 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10301 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10302 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10303 finalize_ssa_v_must_def_ops): New.
10305 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10307 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10308 block as parameter.
10310 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10312 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10314 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10315 addresses with offsets; reorganize.
10317 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10318 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10319 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10321 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10324 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10326 2006-03-08 Ben Elliston <bje@au.ibm.com>
10328 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10330 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10333 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10336 2006-03-07 Richard Guenther <rguenther@suse.de>
10338 PR tree-optimization/26587
10339 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10341 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10343 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10345 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10347 * hooks.c (hook_bool_mode_rtx_true): New function.
10348 * hooks.h (hook_bool_mode_rtx_true): Declare.
10349 * toplev.c (compile_file): Call output_shared_constant_pool.
10350 * varasm.c (shared_constant_pool): New variable.
10351 (assemble_start_function, assemble_end_function): Remove arguments
10352 from call to output_constant_pool.
10353 (create_constant_pool): New function, split out from...
10354 (init_varasm_status): ...here.
10355 (force_const_mem): Choose between the shared and per-function constant
10356 pools. Set current_function_uses_const_pool when reusing old entries
10357 as well as when creating new ones.
10358 (mark_constant): Ignore data argument.
10359 (mark_constants): Remove pool argument.
10360 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10361 to decide whether the function uses a constant pool.
10362 (output_constant_pool_contents): New function, split out from...
10363 (output_constant_pool): ...here.
10364 (output_shared_constant_pool): New function.
10365 (init_varasm_once): Initialize shared_constant_pool.
10366 * output.h (output_constant_pool): Delete.
10367 (output_shared_constant_pool): Declare.
10368 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10369 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10371 2006-03-06 Nick Clifton <nickc@redhat.com>
10373 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10374 flag_strength_reduce.
10376 2006-03-06 Ben Elliston <bje@au.ibm.com>
10378 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10379 x86_64-*-linux* configurations.
10381 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10382 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10384 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10386 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10388 * basic-block.h: Remove the extern for
10389 rediscover_loops_after_threading.
10391 * cfgloop.c (cancel_loop): Make it static.
10392 * cfgloop.h: Remove the prototype for cancel_loop.
10394 * flow.c (recompute_reg_usage): Make it static.
10395 * rtl.h: Remove the prototype for recompute_reg_usage.
10397 * function.c (use_return_register): Make it static.
10398 * function.h: Remove the prototype.
10400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10402 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10404 * recog.h: Remove the prototype for
10405 validate_change_maybe_volatile.
10407 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10409 * rtlanal.c (replace_reg): Remove.
10410 * rtl.h: Remove the prototype for replace_reg.
10412 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10414 * regclass.c (reg_scan_update): Remove.
10415 (reg_scan_mark_refs): Remove the last argument.
10416 * rtl.h: Remove the prototype for reg_scan_update.
10418 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10420 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10421 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10422 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10423 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10424 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10425 loop-invariant.c, omp-low.c, opts.c, passes.c,
10426 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10427 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10428 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10429 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10430 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10431 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10435 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10436 * dwarf2out.h: Remove the prototype for
10437 dwarf2out_add_library_unit_info.
10439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10441 * tree.c (add_var_to_bind_expr): Remove.
10442 * tree.h: Remove the prototype for add_var_to_bind_expr.
10444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10446 * regclass.c (n_non_fixed_regs): Remove.
10447 (init_reg_sets_1, globalize_reg): Remove all uses of
10449 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10453 * rtlanal.c (insns_safe_to_move_p): Remove.
10454 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10456 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10458 * expmed.c (expand_mult_add): Remove.
10459 * expr.h: Remove the prototype for expand_mult_add.
10461 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10463 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10464 and REG_SAVED_VAL_EXP constants.
10465 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10466 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10467 Handle regs stored by value.
10468 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10469 (execute_cfa_program): Handle DW_CFA_val_offset,
10470 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10471 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10472 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10473 (uw_install_context_1): Handle target regs stored by value.
10475 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10477 * tree-sra.c (tree_sra): Return todoflags;
10478 (generate_one_element): Set TODO_update_smt_usage if needed.
10479 (pass_sra): Remove TODO_update_smt_usage.
10480 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10482 (tree_ssa_forward_propagate_single_use_vars): Return
10483 TODO_update_smt_usage if we need to update SMT usage.
10484 (pass_forwprop): Remove TODO_update_smt_usage.
10486 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10488 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10489 (correct_use_link): Remove reference to get_stmt_operands.
10490 (update_stmt_operands): Likewise.
10491 (get_modify_expr_operands): New function factored out of
10492 parse_ssa_operands and get_expr_operands.
10493 Try to create V_MUST_DEFs for LHS by default.
10494 (get_expr_operands) <case MODIFY_EXPR>: Call
10495 get_modify_expr_operands.
10496 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10497 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10498 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10499 get_modify_expr_operands.
10501 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10503 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10504 * tree-flow.h: Remove the prototype for
10505 referenced_var_lookup_if_exists.
10507 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10509 PR rtl-optimization/26345
10511 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10513 2006-03-03 Roger Sayle <roger@eyesopen.com>
10515 PR tree-optimization/26524
10516 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10517 fold_convert to create a constant of the appropriate type.
10519 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10521 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10522 SYMBOL_REF_IN_BLOCK_P.
10523 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10524 of SYMBOL_FLAG_IN_BLOCK.
10525 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10526 instead of SYMBOL_REF_IN_BLOCK_P.
10527 * explow.c (use_anchored_address): Likewise.
10528 * rtl.c (rtx_size): Likewise.
10529 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10530 instead of SYMBOL_FLAG_IN_BLOCK.
10531 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10532 SYMBOL_REF_IN_BLOCK_P.
10533 (assemble_variable): Likewise.
10534 (output_constant_def_contents): Likewise.
10535 (output_constant_pool): Likewise.
10536 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10537 instead of SYMBOL_FLAG_IN_BLOCK.
10538 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10539 SYMBOL_REF_IN_BLOCK_P.
10540 (SYMBOL_REF_BLOCK): Likewise.
10541 (SYMBOL_REF_OFFSET): Likewise.
10542 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10543 SYMBOL_REF_IN_BLOCK_P.
10544 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10545 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10546 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10547 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10549 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10551 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10553 2006-03-02 Roger Sayle <roger@eyesopen.com>
10555 * simplify-rtx.c (simplify_unary_operation): When simplifying
10556 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10557 that we perform the right shift in the appropriate mode, and
10558 then extend or truncate the result to requested mode.
10560 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10562 * gengtype.c (main): Handle double_int type.
10563 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10564 * double-int.c: New file.
10565 * double-int.h: New file.
10566 * system.h: Include doubleint.h.
10567 * Makefile.in (SYSTEM_H): Include double-int.h.
10568 (double-int.o): Add.
10570 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10573 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10576 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10578 * tree-vrp.c (remove_range_assertions): Do not update statements
10581 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10583 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10585 * gcse.c (rest_of_handle_gcse): Ditto.
10586 * except.c (gate_handle_eh): Ditto.
10587 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10588 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10590 2006-03-02 Eric Christopher <echristo@apple.com>
10592 * config/i386/i386.c (machopic_output_stub): Add indirection to
10595 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10599 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10601 Sun Niagara specific optimizations.
10602 * config.gcc: Recognize niagara as target.
10603 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10604 (TARGET_CPU_niagara): Define.
10605 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10606 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10607 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10608 (ASM_CPU_SPEC): Likewise.
10609 (PROCESSOR_NIAGARA): New enum entry.
10610 (REGISTER_MOVE_COST): Handle Niagara.
10611 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10612 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10613 (sparc_override_options): Recognize "niagara", set appropriate
10614 default MASK_* values for it, and align functions to 32-bytes
10615 by default just like ULTRASPARC/ULTRASPARC3.
10616 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10617 (sparc64_initialize_trampoline): Likewise.
10618 (sparc_use_sched_lookahead): Use zero for niagara.
10619 (sparc_issue_rate): Use one for niagara.
10620 * config/sparc/niagara.md: New file.
10621 * config/sparc/sparc.md: Include it.
10622 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10623 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10624 when default cpu is niagara.
10625 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10626 (ASM_CPU_SPEC): Likewise.
10627 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10628 when default cpu is niagara.
10629 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10630 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10631 just like v9/ultrasparc/ultrasparc3.
10632 * doc/invoke.texi: Add documentation for "niagara" and improve
10633 existing documentation for ultrasparc variants.
10635 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10637 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10639 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10641 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10642 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10643 and say that only one is needed.
10644 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10645 * target.h (have_switchable_bss_sections): New hook.
10646 * explow.c (use_anchored_address): Check that the symbol is in a block.
10647 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10648 (bss_noswitch_section): New variables.
10649 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10650 (get_noswitch_section): New function.
10651 (get_block_for_section): Allow SECT to be null.
10652 (unlikely_text_section_p): Use SECTION_STYLE.
10653 (bss_initializer_p): New function.
10654 (get_variable_section): Move earlier in file. Take a new argument,
10655 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10656 Return one of the new *_sections in such cases.
10657 (get_block_for_decl): New function, extracting some logic from
10658 use_blocks_for_decl_p.
10659 (change_symbol_section): Remove in favor of...
10660 (change_symbol_block): ...this new function.
10661 (use_blocks_for_decl_p): Remove checks now performed by
10662 get_block_for_decl.
10663 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10664 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10665 (emit_local, emit_bss, emit_common): ...these new functions.
10666 Return true if the alignment was honored.
10667 (emit_tls_common): New function.
10668 (asm_emit_uninitialised): Delete.
10669 (assemble_variable_noswitch): New function, split out from...
10670 (assemble_variable): ...here. Don't make decisions about common
10671 variables here. Globalize all public decls that go into non-common
10672 sections. Check whether SYMBOL_REF_BLOCK is null.
10673 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10674 (output_constant_pool): Likewise.
10675 (init_varasm_once): Initialize the new section variables.
10676 (have_global_bss_p): New function.
10677 (categorize_decl_for_section): Use bss_initializer_p.
10678 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10679 (place_block_symbol): Assert that the symbol must be in a block.
10680 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10681 (TARGET_INITIALIZER): Include it.
10682 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10683 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10684 (SECTION_MACH_DEP): Bump by two.
10685 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10686 (unnamed_section): Mention SECTION_UNNAMED in comment.
10687 (named_section): Likewise SECTION_NAMED.
10688 (noswitch_section_callback): New type.
10689 (noswitch_section): New structure.
10690 (section): Add a noswitch_section alternative.
10691 (SECTION_STYLE): New macro.
10692 (tls_comm_section, comm_section, lcomm_section): Declare.
10693 (bss_noswitch_section, have_global_bss_p): Declare.
10694 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10695 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10697 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10698 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10701 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10703 * tree-vrp.c (execute_vrp): Return value.
10704 * regrename.c (rest_of_handle_regrename): Ditto.
10705 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10706 * tree-complex.c (tree_lower_complex): Ditto.
10707 (tree_lower_complex_O0): Ditto.
10708 * tracer.c (rest_of_handle_tracer): Ditto.
10709 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10710 * postreload.c (rest_of_handle_postreload): Ditto.
10711 * tree-tailcall.c (execute_tail_recursion): Ditto.
10712 (execute_tail_calls): Ditto.
10713 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10714 * tree.h (init_function_for_compilation): Ditto.
10715 * ipa-cp.c (ipcp_driver): Ditto.
10716 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10717 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10718 * final.c (compute_alignments): Ditto.
10719 (rest_of_handle_final): Ditto.
10720 (rest_of_handle_shorten_branches): Ditto.
10721 (rest_of_clean_state): Ditto.
10722 * omp-low.c (execute_expand_omp): Ditto.
10723 (execute_lower_omp): Ditto.
10724 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10725 * ipa-reference.c (static_execute): Ditto.
10726 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10727 * reorg.c (rest_of_handle_delay_slots): Ditto.
10728 (rest_of_handle_machine_reorg): Ditto.
10729 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10730 * flow.c (recompute_reg_usage): Ditto.
10731 (rest_of_handle_remove_death_notes): Ditto.
10732 (rest_of_handle_life): Ditto.
10733 (rest_of_handle_flow2): Ditto.
10734 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10735 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10736 (do_ssa_store_ccp): Ditto.
10737 (execute_fold_all_builtins): Ditto.
10738 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10739 * modulo-sched.c (rest_of_handle_sms): Ditto.
10740 * ipa-pure-const.c (static_execute): Ditto.
10741 * cse.c (rest_of_handle_cse): Ditto.
10742 (rest_of_handle_cse2): Ditto.
10743 * web.c (rest_of_handle_web): Ditto.
10744 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10745 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10746 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10747 * tree-nrv.c (tree_nrv): Ditto.
10748 (execute_return_slot_opt): Ditto.
10749 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10750 (create_structure_vars): Ditto.
10751 * loop-init.c (rtl_loop_init): Ditto.
10752 (rtl_loop_done): Ditto.
10753 (rtl_move_loop_invariants): Ditto.
10754 (rtl_unswitch): Ditto.
10755 (rtl_unroll_and_peel_loops): Ditto.
10756 (rtl_doloop): Ditto.
10757 * gimple-low.c (lower_function_body): Ditto.
10758 (mark_used_blocks): Ditto.
10759 * tree-ssa-sink.c (execute_sink_code): Ditto.
10760 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10761 (cgraph_early_inlining): Ditto.
10762 * global.c (rest_of_handle_global_alloc): Ditto.
10763 * jump.c (cleanup_barriers): Ditto.
10764 (purge_line_number_notes): Ditto.
10765 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10766 (rest_of_handle_if_after_reload): Ditto.
10767 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10768 (tree_ssa_loop_im): Ditto.
10769 (tree_ssa_loop_unswitch): Ditto.
10770 (tree_vectorize): Ditto.
10771 (tree_linear_transform): Ditto.
10772 (tree_ssa_loop_ivcanon): Ditto.
10773 (tree_ssa_empty_loop): Ditto.
10774 (tree_ssa_loop_bounds): Ditto.
10775 (tree_complete_unroll): Ditto.
10776 (tree_ssa_loop_prefetch): Ditto.
10777 (tree_ssa_loop_ivopts): Ditto.
10778 (tree_ssa_loop_done): Ditto.
10779 * predict.c (tree_estimate_probability): Ditto.
10780 * recog.c (split_all_insns_noflow): Ditto.
10781 (rest_of_handle_peephole2): Ditto.
10782 (rest_of_handle_split_all_insns): Ditto.
10783 * tree-eh.c (lower_eh_constructs): Ditto.
10784 * regmove.c (rest_of_handle_regmove): Ditto.
10785 (rest_of_handle_stack_adjustments): Ditto.
10786 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10787 * function.c (instantiate_virtual_regs): Ditto.
10788 (init_function_for_compilation): Ditto.
10789 (rest_of_handle_check_leaf_regs): Ditto.
10790 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10791 (rest_of_handle_gcse): Ditto.
10792 * ipa-type-escape.c (type_escape_execute): Ditto.
10793 * alias.c (rest_of_handle_cfg): Ditto.
10794 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10795 * profile.c (rest_of_handle_branch_prob): Ditto.
10796 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10797 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10798 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10799 * tree-dfa.c (find_referenced_vars): Ditto.
10800 * except.c (set_nothrow_function_flags): Ditto.
10801 (convert_to_eh_region_ranges): Ditto.
10802 (rest_of_handle_eh): Ditto.
10803 * emit-rtl.c (unshare_all_rtl): Ditto.
10804 (remove_unnecessary_notes): Ditto.
10805 * except.h (set_nothrow_function_flags): Ditto.
10806 (convert_to_eh_region_ranges): Ditto.
10807 * cfgexpand.c (tree_expand_cfg): Ditto.
10808 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10809 * tree-ssa-pre.c (do_pre): Ditto.
10810 (execute_fre): Ditto.
10811 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10812 (rest_of_handle_jump2): Ditto.
10813 * tree-sra.c (tree_sra): Ditto.
10814 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10815 (execute_mudflap_function_decls): Ditto.
10816 * tree-ssa-copy.c (do_copy_prop): Ditto.
10817 (do_store_copy_prop): Ditto.
10818 * ipa-prop.h (ipcp_driver): Ditto.
10819 * cfglayout.c (insn_locators_initialize): Ditto.
10820 * tree-ssa-forwprop.c
10821 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10822 * cfglayout.h (insn_locators_initialize): Ditto.
10823 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10824 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10825 (execute_late_warn_uninitialized): Ditto.
10826 * rtl.h (cleanup_barriers): Ditto.
10827 (split_all_insns_noflow): Ditto.
10828 (purge_line_number_notes): Ditto.
10829 (unshare_all_rtl): Ditto.
10830 (remove_unnecessary_notes): Ditto.
10831 (recompute_reg_usage): Ditto.
10832 (variable_tracking_main): Ditto.
10833 * integrate.c (emit_initial_value_sets): Ditto.
10834 * integrate.h (emit_initial_value_sets): Ditto.
10835 * tree-optimize.c (execute_free_datastructures): Ditto
10836 (execute_free_cfg_annotations): Ditto.
10837 (execute_fixup_cfg): Ditto.
10838 (execute_cleanup_cfg_pre_ipa): Ditto.
10839 (execute_cleanup_cfg_post_optimizing): Ditto.
10840 (execute_init_datastructures): Ditto.
10841 * tree-object-size.c (compute_object_sizes): Ditto.
10842 * combine.c (rest_of_handle_combine): Ditto.
10843 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10844 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10845 (rest_of_handle_reorder_blocks): Ditto.
10846 (rest_of_handle_partition_blocks): Ditto.
10847 * var-tracking.c (variable_tracking_main): Ditto.
10848 * tree-profile.c (tree_profiling): Ditto.
10849 * tree-vect-generic.c (expand_vector_operations): Ditto.
10850 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10851 * sched-rgn.c (rest_of_handle_sched): Ditto.
10852 (rest_of_handle_sched2): Ditto.
10853 * basic-block.h (free_bb_insn): Ditto.
10854 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10855 * tree-cfg.c (execute_build_cfg): Ditto.
10856 (remove_useless_stmts): Ditto.
10857 (split_critical_edges): Ditto.
10858 (execute_warn_function_return): Ditto.
10859 (execute_warn_function_noreturn): Ditto.
10860 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10861 * cfgrtl.c (free_bb_for_insn): Ditto.
10862 * passes.c (execute_one_pass): Run additional
10863 todos returned by execute function.
10864 * tree-pass.h (struct tree_opt_pass): Make execute
10867 2006-03-02 Richard Guenther <rguenther@suse.de>
10869 * tree-ssa-alias.c (find_used_portions): Consider taking
10870 the address as making the variable not write-only.
10872 2006-03-02 Nick Clifton <nickc@redhat.com>
10874 * config.gcc (default_use_cxa_atexit): Extend the description of
10875 this configure variable. Set its default value to "yes" for
10876 Linux, NetBSD and ELF targets on the assumption that they will
10877 use C libraries with the __cxa_atexit function.
10879 2006-03-02 Ben Elliston <bje@au.ibm.com>
10881 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10882 parameter as unused to suppress a build warning.
10884 2006-03-02 Ben Elliston <bje@au.ibm.com>
10886 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10889 2006-03-01 Roger Sayle <roger@eyesopen.com>
10892 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10893 declared name, the weak reference name, and the typeof name.
10894 (__gthrw): Avoid expanding the declared name suffix.
10895 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10897 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10899 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10901 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10902 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10903 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10904 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10905 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10906 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10907 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10908 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10909 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10910 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10911 (DW_END_default, DW_END_big, DW_END_little): New.
10912 (DW_END_lo_user, DW_END_hi_user): Define.
10913 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10914 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10915 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10918 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10920 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10922 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10924 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10926 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10928 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10929 to 'symbol_mem_tag'.
10931 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10934 2006-03-01 Roger Sayle <roger@eyesopen.com>
10936 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10938 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10941 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10942 MACHO_DYNAMIC_NO_PIC_P.
10943 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10945 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10948 * config/darwin-protos.h (darwin_asm_output_anchor):
10950 * config/darwin-sections.def (cstring_section):
10951 Add SECTION_MERGE to the flags.
10952 (literal4_section): Likewise.
10953 (literal8_section): Likewise.
10954 (objc_selector_refs_section): Likewise.
10955 (objc_cls_refs_section): Likewise.
10956 * config/darwin.c (darwin_asm_output_anchor): New
10958 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10960 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10962 Fix PR tree-optimization/26443
10963 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10964 to todo and PROP_tmt_usage to properties_destroyed.
10965 * tree-ssa-ccp.c (pass_ccp): Ditto.
10966 (pass_store_ccp): Ditto.
10967 * tree-ssa-dom.c (pass_dominator): Ditto.
10969 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10971 * tree-ssa-operands.c: Cleanup whitespace.
10972 (get_asm_expr_operands): Move before first invocation.
10973 (get_indirect_ref_operands): Likewise.
10974 (get_tmr_operands): Likewise.
10975 (get_call_expr_operands): Likewise.
10976 (append_def): Likewise.
10977 (append_use): Likewise.
10978 (append_v_may_def): Likewise.
10979 (append_v_must_def): Likewise.
10980 (add_call_clobber_ops): Likewise.
10981 (add_call_read_ops): Likewise.
10982 (add_stmt_operand): Likewise.
10983 (add_virtual_operand): Likewise.
10984 (build_ssa_operands): Likewise.
10986 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10988 PR middle-end/26022
10990 PR middle-end/24437
10991 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10992 with a call expr to ...
10993 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10995 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10997 * tree-vrp.c (extract_range_from_assert): Remove special
10998 handling for types with super-types.
11000 2006-03-01 Ben Elliston <bje@au.ibm.com>
11002 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11003 and powerpc64-*-linux* configurations.
11004 * config/t-dfprules: New file.
11006 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11007 Compile dfp-bit.c from the source directory using -DWIDTH and
11008 $DFP_CFLAGS to control the compilation of that file, rather than
11009 generating width-specific versions in the build directory.
11010 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11011 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11013 2006-02-28 Zack Weinberg <zackw@panix.com>
11015 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11018 2006-02-28 Eric Christopher <echristo@apple.com>
11020 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11021 Set up IN_LIBGCC definition of TARGET_64BIT.
11022 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11024 2006-02-28 Roger Sayle <roger@eyesopen.com>
11026 PR middle-end/14752
11027 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11028 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11029 cases via the construction of "expr != 0".
11031 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11033 * alias.c (alias_invariant, alias_invariant_size): Remove.
11034 (record_base_value): Remove.
11035 (memrefs_conflict_p): Don't look at alias_invariant.
11036 (end_alias_analysis): Don't free it.
11037 * alias.h (record_base_value): Remove prototype.
11039 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11040 Adam Nemet <anemet@caviumnetworks.com>
11042 * rtl.h (truncated_to_mode): Declare it.
11043 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11044 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11045 (RTL_HOOKS_INITIALIZER): Include it.
11046 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11047 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11048 reg_truncated_to_mode.
11049 * rtlanal.c (truncated_to_mode): Define it.
11050 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11052 2006-02-28 Jeff Law <law@redhat.com>
11054 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11055 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11056 the range allowed by TYPE_PRECISION.
11058 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11060 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11062 PR tree-optimization/26419
11063 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11066 2006-02-27 Zack Weinberg <zackw@panix.com>
11068 * doc/md.texi: Fix typo in previous change.
11070 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11074 2006-02-27 Zack Weinberg <zackw@panix.com>
11076 * rtl.def (define_constraint, define_register_constraint)
11077 (define_memory_constraint, define_address_constraint): New MD forms.
11078 * gensupport.c (process_rtx): Put define_constraint etc on the
11080 * genpreds.c (process_define_predicate): Adjust comment. Validate
11081 the name, and call validate_exp to validate the expression.
11082 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11083 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11084 all callers changed.
11085 (validate_exp, needs_variable, struct constraint_data)
11086 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11087 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11088 (const_dbl_constraints, constraint_max_namelen)
11089 (have_register_constraints, have_memory_constraints)
11090 (have_address_constraints, have_address_constraints)
11091 (have_extra_constraints, have_const_int_constraints)
11092 (have_const_dbl_constraints, mangle, add_constraint)
11093 (process_define_constraint, process_define_register_constraint)
11094 (write_enum_constraint_num, write_lookup_constraint)
11095 (write_insn_constraint_len, write_regclass_for_constraint)
11096 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11097 (write_insn_extra_memory_constraint)
11098 (write_insn_extra_address_constraint)
11099 (write_satisfies_constraint_fns): New.
11100 (write_tm_preds_h): If we have new-style constraint definitions,
11101 prototype the functions generated from them, and define the
11102 old constraint interface (still used by generic code) in terms of
11104 (write_insn_preds_c): If we have new-style constraint definitions,
11105 generate all relevant functions from those definitions.
11106 (main): Handle define_constraint etc.
11107 * genoutput.c (struct constraint_data, indep_constraints)
11108 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11109 (mdep_constraint_len): New data structures and functions, defined
11110 #ifdef USE_MD_CONSTRAINTS.
11111 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11112 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11113 use new logic to validate operand constraints against constraint
11115 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11117 * defaults.h: If none of the old-style constraint macros are
11118 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11119 old-style macros; and poison REG_CLASS_FROM_LETTER,
11120 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11122 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11123 * doc/md.texi: Document new constraint-definition mechanism and the
11124 C interface it provides. Remove references to old mechanism
11125 elsewhere in the document.
11126 (Machine Constraints): Use pathnames relative to gcc directory,
11127 i.e. config/ARCH/FILE. Change i386 section to refer to
11128 config/i386/predicates.md; update that section to match docstrings.
11129 * doc/tm.texi: Move all documentation of the old constraint-
11130 definition macros to their own section, clearly mark as obsolete.
11132 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11133 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11135 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11136 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11137 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11138 constraint strings.
11139 (splits and peepholes): Use satisfies_constraint_*.
11140 * config/i386/i386.c (memory_address_length)
11141 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11143 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11145 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11146 scalar operation to be put back into the loop.
11148 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11151 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11152 (extract_cie_info): Handle S flag in augmentation string.
11153 (execute_cfa_program): If context->signal_frame, execute also
11154 fs->pc == context->ra instructions.
11155 (uw_frame_state_for): If context->signal_frame, don't subtract one
11156 from context->ra to find FDE.
11157 (uw_update_context_1): Set context->signal_frame to
11159 (_Unwind_GetIPInfo): New function.
11160 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11161 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11163 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11164 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11165 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11166 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11167 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11168 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11169 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11170 x86_64_fallback_frame_state): Set fs->signal_frame.
11171 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11172 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11173 (frob_update_context): Likewise. Workaround missing S flag in
11174 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11175 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11176 Remove the psw_addr + 1 hack.
11178 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11180 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11181 with aggregates here.
11182 (find_func_aliases): Remove code for &<aggregate> from here.
11184 2006-02-26 Roger Sayle <roger@eyesopen.com>
11186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11187 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11188 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11189 as (X & C) ne/eq 0.
11191 2006-02-26 Roger Sayle <roger@eyesopen.com>
11193 PR middle-end/19983
11194 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11196 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11198 * opts.c (decode_options): Do not handle flag_strength_reduce.
11199 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11200 and OPT_fstrength_reduce.
11201 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11202 flag_prefetch_loop_arrays for being nonzero.
11203 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11205 (fprefetch-loop-arrays-rtl): Removed.
11206 (flag_prefetch_loop_arrays): Do not specify the value.
11208 * doc/passes.texi: Update documentation of loop optimizer
11210 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11211 -frerun-loop-opt): Remove.
11213 2006-02-26 Richard Guenther <rguenther@suse.de>
11215 PR tree-optimization/26421
11216 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11217 in function calls that are ADDR_EXPRs as using the whole structure.
11219 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11221 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11222 * tree-pass.h (pass_loop_optimize): Remove.
11223 * passes.c (pass_loop_optimize): Never run it.
11224 * toplev.c (backend_init): Don't call init_loop.
11225 * opts.c (flag_loop_optimize_set): Remove.
11226 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11227 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11228 the old RTL loop optimizer when profiling enabled.
11229 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11230 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11231 pre-headers for the sake of the old RTL loop optimizer.
11232 * Makefile.in: Remove all references to loop.o.
11234 * doc/invoke.texi: Remove all references to -floop-optimize
11235 and -frerun-loop-opt.
11237 2006-02-26 Zack Weinberg <zackw@panix.com>
11239 * doc/md.texi (Machine Constraints): Refer to all files with paths
11240 relative to gcc directory (i.e. config/CPU/file). Add missing
11241 @table @code ... @end table to M32C subsection.
11243 2006-02-26 Roger Sayle <roger@eyesopen.com>
11245 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11247 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11249 2006-02-26 Roger Sayle <roger@eyesopen.com>
11250 James A. Morrison <phython@gcc.gnu.org>
11252 PR middle-end/21137
11253 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11254 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11255 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11256 signedness of the shift operation.
11258 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11260 PR tree-optimization/26359
11261 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11263 2006-02-25 Roger Sayle <roger@eyesopen.com>
11265 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11266 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11267 as X == 0, and some symmetry related transformations.
11268 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11270 2006-02-25 Roger Sayle <roger@eyesopen.com>
11272 PR middle-end/23673
11273 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11274 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11275 symmetry related transformations. Fold (X^C1) == C2 as
11278 2006-02-25 Juergen Weigert <jw@suse.de>
11279 Richard Guenther <rguenther@suse.de>
11281 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11283 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11285 * combine.c (gen_lowpart_or_truncate): Call
11286 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11288 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11290 * doc/invoke.texi: Move -fopenmp description to "Options for
11292 Remove reference to -lgomp.
11294 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11296 * doc/install.texi: Require GNU tar version 1.14.
11298 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11300 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11301 * doc/invoke.texi (C++ Dialect Options): Document
11302 -fno-use-cxa-get-exception-ptr.
11303 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11304 * configure: Regenerate.
11305 * c.opt (fuse-cxa-get-exception-ptr): New.
11306 * c-opts.c (c_common_handle_option): Handle
11307 OPT_fuse_cxa_get_exception_ptr.
11308 * c-common.c (flag_use_cxa_atexit): Update documentation.
11309 (flag_use_cxa_get_exception_ptr): New.
11310 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11311 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11313 (C_COMMON_OVERRIDE_OPTIONS): New.
11315 2006-02-24 Roger Sayle <roger@eyesopen.com>
11317 PR middle-end/24952
11318 * combine.c (try_combine): Explicitly check whether GET_CODE is
11319 a SET or a CLOBBER, instead on checking that it isn't a USE.
11321 2006-02-24 Roger Sayle <roger@eyesopen.com>
11323 * fold-const.c (fold_comparison): New subroutine of fold_binary
11324 containing transformations common to both the equality and
11325 ordering relational operators, factored out of fold_binary.
11326 (fold_binary): Separate out the equality operators (EQ_EXPR
11327 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11328 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11329 transformations common to both.
11330 (fold_div_compare): Fix latent bugs in the previously unreachable
11331 LT_EXPR and GE_EXPR cases.
11333 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11335 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11336 decl libname for clog to __clog on AIX.
11338 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11340 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11343 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11344 output traceback table for thunks. Localise rs6000_stack_info call.
11346 2006-02-23 Roger Sayle <roger@eyesopen.com>
11347 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11349 * gthr-posix.h (__gthrw): Fix typo in comment.
11351 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11353 * doc/cpp.texi (Character sets): Document that we do support
11354 input files to be in any character set.
11356 2006-02-23 Jeff Law <law@redhat.com>
11358 * tree.h (PHI_ARG_NONZERO): Remove.
11359 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11360 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11361 node to the new node.
11363 PR tree-optimization/26425
11364 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11365 min/max, then assume its varying.
11367 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11369 PR rtl-optimization/26316
11370 * rtlanal.c (enum may_trap_p_flags): New.
11371 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11372 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11373 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11374 (may_trap_after_code_motion_p): New function.
11375 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11376 (find_invariant_insn): Use may_trap_after_code_motion_p.
11377 * rtl.h (may_trap_after_code_motion_p): Declare.
11379 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11381 * emit-rtl.c (immed_double_const): Cleanup.
11383 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11385 Fix PR tree-optimization/26376
11386 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11389 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11391 PR middle-end/26412
11392 * gimplify.c (omp_add_variable): Guard variable size decl test with
11393 DECL_SIZE (decl) check.
11395 2006-02-23 Richard Guenther <rguenther@suse.de>
11397 PR middle-end/26439
11398 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11399 like aggregate types.
11401 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11403 * configure.ac: Add --with{,out}-long-double-128 configure option.
11404 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11405 * configure: Rebuilt.
11406 * config.in: Rebuilt.
11407 * doc/install.texi (Options specification): Document
11408 --with-long-double-128.
11410 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11411 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11412 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11413 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11415 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11417 * config/s390/s390.c (override_options): Handle
11418 TARGET_DEFAULT_LONG_DOUBLE_128.
11420 * config/alpha/alpha.c (override_options): Handle
11421 TARGET_DEFAULT_LONG_DOUBLE_128.
11423 * config/sparc/sparc.c (sparc_override_options): Handle
11424 TARGET_DEFAULT_LONG_DOUBLE_128.
11426 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11428 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11429 (real-install-headers-tar, real-install-headers-cpio)
11430 (real-install-headers-cp): New targets.
11432 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11434 * tree.h (variable_section): Delete.
11435 * varasm.c (variable_section): Delete.
11437 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11439 * install.texi: Add notes on install.texi2html.
11440 (Building in parallel): Do not use footnotes.
11442 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11445 * doc/install.texi (Configuration): Document --disable-libgomp.
11447 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11449 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11451 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11453 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11454 (vec_extractv2df_0_sse): New.
11456 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11458 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11459 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11460 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11461 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11462 to the result of the expression.
11463 (def_cfa_1): Adjust.
11464 (frame_pointer_cfa_offset): Rename to...
11465 (frame_pointer_fb_offset): ... this. Adjust all uses.
11466 (convert_cfa_to_loc_list): Rename to...
11467 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11468 Pass it on to build_cfa_loc.
11469 (compute_frame_pointer_to_cfa_displacement): Rename to...
11470 (compute_frame_pointer_to_fb_displacement): ... this. New
11471 offset parameter. Use it in computation.
11472 (gen_subprogram_die): Compute cfa_fb_offset with the new
11473 macro, and use it to compute the fb loc list and the
11476 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11478 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11479 replaced with register_operand.
11480 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11481 non-DREG is expensive.
11482 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11483 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11486 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11488 * doc/install.texi2html: Use set -e.
11490 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11492 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11493 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11494 * doc/invoke.texi (-fshared-data): Delete.
11495 * common.opt (fshared-data): Delete.
11496 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11497 (assemble_static_space): Remove #if 0 code.
11498 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11499 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11500 * config/cris/cris.h: Remove FIXME.
11502 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11504 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11507 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11509 PR middle-end/26379
11510 * combine.c (simplify_shift_const_1): Disable nested shifts
11511 optimization for vector shifts.
11513 2006-02-20 Roger Sayle <roger@eyesopen.com>
11515 PR tree-optimization/26361
11516 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11517 of unsigned integer types.
11519 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11521 * tree-chrec.c (eq_evolutions_p): New.
11522 * tree-chrec.h (eq_evolutions_p): Declared.
11523 * tree-data-ref.c: Fix formatting.
11524 (datadep_stats, dependence_stats): New.
11526 (print_direction_vector): New.
11527 (dump_data_dependence_relation): Use print_direction_vector.
11528 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11529 (compute_subscript_distance): Static.
11530 (initialize_data_dependence_relation): Static. Get the number
11531 of loops surrounding the references from the callers, and initialize
11532 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11533 base_object_differ_p analyzers.
11534 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11535 compute_overlap_steps_for_affine_1_2,
11536 analyze_subscript_affine_affine): Count the classified dependences.
11537 Print a message when a test failed.
11538 (can_use_analyze_subscript_affine_affine): New.
11539 (analyze_siv_subscript): Compute the data dependences on symbolic
11540 scevs that verify can_use_analyze_subscript_affine_affine.
11541 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11542 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11543 Handle symbolic scevs.
11544 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11546 (subscript_dependence_tester): Moved...
11547 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11548 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11549 DDR_SIZE_VECT instead of getting it in parameter.
11550 (subscript_dependence_tester): ... here. Take as a parameter
11551 loop_nest_depth. Call build_classic_dist_vector and
11552 build_classic_dir_vector.
11553 (compute_affine_dependence): Update subscript_dependence_tester
11554 parameters. Update datadep_stats counters. Call
11555 compute_subscript_distance.
11556 (compute_self_dependence): Save the dist and dir vectors. Call
11557 compute_subscript_distance.
11558 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11559 (compute_all_dependences): Reorder parameters as they were before
11560 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11561 compute_subscript_distance. Update the use of
11562 compute_affine_dependence and initialize_data_dependence_relation.
11563 (find_data_references_in_loop): Handle COMPONENT_REF.
11564 (compute_data_dependences_for_loop): Initialize dependence_stats.
11565 Don't call build_classic_dist_vector and build_classic_dir_vector.
11566 Update the parameters of initialize_data_dependence_relation and
11567 compute_all_dependences. Print the statistics from datadep_stats.
11568 (analyze_all_data_dependences): Static. Not used until the pass for
11569 checking the data dependences is contributed.
11570 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11571 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11572 (initialize_data_dependence_relation, compute_affine_dependence,
11573 analyze_all_data_dependences, compute_subscript_distance): Removed.
11574 (print_direction_vector): New.
11575 * lambda.h (gcd): ... here.
11576 (lambda_vector_gcd): Moved here from gcd_vector.
11577 * lambda-code.c (gcd, gcd_vector): Removed.
11578 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11579 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11581 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11583 * ipa-type-escape.c: Tidy some comments and white space.
11584 * tree-ssa-operands.c: Likewise.
11586 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11589 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11590 (dump_decl_name): Do not walk the decl tree chains.
11591 * tree-pass.h (TDF_CHAIN): Remove.
11593 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11595 * Makefile.in (C): Remove
11597 (.PHONY): Remove C and PROTO
11599 2006-02-20 Roger Sayle <roger@eyesopen.com>
11601 PR middle-end/26236
11602 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11603 deprecated CHAR_TYPE tree code.
11605 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11607 * configure.ac (target_list): Add install-info, dvi, html.
11608 * configure: Regenerate.
11610 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11611 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11612 treelang/Make-lang.in: Do not use double-colon rules.
11614 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11616 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11617 (TMT_USED_ALONE): New macro.
11618 * tree-pass.h (PROP_tmt_usage): New property.
11619 (TODO_update_tmt_usage): New todo.
11620 * tree-ssa-alias.c (updating_used_alone): New variable.
11621 (recalculate_used_alone): New function.
11622 (compute_may_aliases): Set updating_used_alone, call
11623 recalculate_used_alone.
11624 * tree-sra.c (pass_sra): Note that this pass destroys
11625 PROP_tmt_usage, and add TODO_update_tmt_usage.
11626 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11627 * tree-flow.h (updating_used_alone): Prototype.
11628 (recalculate_used_alone): Ditto.
11629 * passes.c (execute_todo): Add code to set updating_used_alone,
11630 and call recalculate.
11631 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11632 for clobber if used alone, and add assert to verify used_alone
11635 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11637 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11638 for non tls symbols added.
11639 (legitimize_address): Do nothing for PLUS expressions if one of the
11640 addends is a tls symbol reference.
11642 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11646 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11648 * Makefile.in (BOOTSTRAPPING): New.
11649 (quickstrap): New definition if BOOTSTRAPPING=yes.
11651 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11652 * configure.ac: Substitute all_selected_languages with the languages
11653 that were configured. For all the other variables except
11654 lang_specs_files, include all the languages in the tree.
11655 * configure: Regenerate.
11657 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11658 if there is one. Run the commands to run fixincludes in the same
11661 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11662 * doc/install.texi: Document exact conventions for searching target tools.
11663 Document --with-build-time-tools. Document toplevel bootstrap. Document
11664 something more about building an Ada cross-compiler. Don't list GNU Make
11665 requirements which affect all platforms.
11667 2006-02-19 Roger Sayle <roger@eyesopen.com>
11669 PR middle-end/19543
11670 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11671 only equivalent if the have both the same mode and precision.
11673 2006-02-20 Ben Elliston <bje@au.ibm.com>
11675 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11677 2006-02-19 Roger Sayle <roger@eyesopen.com>
11678 Steven Bosscher <stevenb.gcc@gmail.com>
11680 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11681 constant pool references to identify stack mode constants.
11682 * rtlanal.c (constant_pool_constant_p): New predicate to check
11683 whether operand is a floating point constant in the pool.
11684 * rtl.h (constant_pool_constant_p): Prototype here.
11685 * loop.c (scan_loop): Avoid hoisting constants from the constant
11686 pool on STACK_REGS targets.
11687 (load_mems): Likewise.
11688 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11689 loads into x87 registers expensive in terms of register pressure.
11691 2006-02-19 Roger Sayle <roger@eyesopen.com>
11693 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11694 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11696 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11698 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11699 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11701 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11703 * doc/invoke.texi: Document -fipa-pta.
11704 * common.opt: Add ipa-pta option.
11705 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11706 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11707 (do_ds_constraint): Ditto.
11708 (get_constraint_for): Only add to referenced_vars if
11709 referenced_vars exists.
11710 (insert_into_field_list): Rewrite to do this unsorted.
11711 (insert_into_field_list_sorted): Rename old insert_into_field_list
11713 (create_function_info_for): Use insert_into_field_list_sorted.
11714 (create_variable_info_for): Rewrite so it uses unsorted version,
11715 since the field list is sorted.
11716 (intra_create_variable_infos): Only add to referenced_vars if
11717 referenced_vars exists.
11718 (ipa_pta_execute): Init heapvars, and delete when done.
11719 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11721 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11723 * doc/install.texi: Add missing `@samp'.
11725 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11727 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11730 2006-02-18 Mark Wielaard <mark@klomp.org>
11732 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11733 who added new 4.1 features, bug fixes and integration support.
11735 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11738 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11739 MEM for ABI_V4 pic.
11741 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11743 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11744 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11745 (copy_insn_1): Likewise. Don't copy each field individually.
11747 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11749 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11750 * rtl.c (rtx_size): Rename variable to...
11751 (rtx_code_size): ...this.
11752 (rtx_size): New function.
11753 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11754 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11756 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11757 * rtl.h (rtx_code_size): New variable.
11758 (rtx_size): Change from a variable to a function.
11759 (RTX_SIZE): Rename to...
11760 (RTX_CODE_SIZE): ...this.
11763 PR tree-optimization/17106
11764 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11765 (Anchored Addresses): New section.
11766 * doc/invoke.texi (-fsection-anchors): Document.
11767 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11768 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11769 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11770 * hooks.c (hook_bool_mode_rtx_false): New function.
11771 * hooks.h (hook_bool_mode_rtx_false): Declare.
11772 * gengtype.c (create_optional_field): New function.
11773 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11774 SYMBOL_REF_IN_BLOCK_P is true.
11775 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11776 (min_anchor_offset, max_anchor_offset): Likewise.
11777 (use_anchors_for_symbol_p): New hook.
11778 * toplev.c (compile_file): Call output_object_blocks.
11779 (target_supports_section_anchors_p): New function.
11780 (process_options): Check that -fsection-anchors is only used on
11781 targets that support it and when -funit-at-a-time is in effect.
11782 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11783 if the decl doesn't have one.
11784 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11785 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11786 of force_const_mem through use_anchored_address.
11787 (expand_expr_constant): New function.
11788 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11789 calling expand_expr for INDIRECT_REF.
11790 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11791 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11792 * expr.h (use_anchored_address): Declare.
11793 * loop-unroll.c: Don't declare rtx vectors here.
11794 * explow.c: Include output.h.
11795 (validize_mem): Call use_anchored_address.
11796 (use_anchored_address): New function.
11797 * common.opt (-fsection-anchors): New switch.
11798 * varasm.c (object_block_htab, anchor_labelno): New variables.
11799 (hash_section, object_block_entry_eq, object_block_entry_hash)
11800 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11801 (use_blocks_for_decl_p, change_symbol_section): New functions.
11802 (get_variable_section): New function, split out from assemble_variable.
11803 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11804 use_blocks_for_decl_p say so. Use change_symbol_section if the
11805 symbol has already been created.
11806 (assemble_variable_contents): New function, split out from...
11807 (assemble_variable): ...here. Don't output any code for
11808 block symbols; just pass them to place_block_symbol.
11809 Use get_variable_section and assemble_variable_contents.
11810 (get_constant_alignment, get_constant_section, get_constant_size): New
11811 functions, split from output_constant_def_contents.
11812 (build_constant_desc): Create a block symbol if use_object_blocks_p
11813 says so. Or into SYMBOL_REF_FLAGS.
11814 (assemble_constant_contents): New function, split from...
11815 (output_constant_def_contents): ...here. Don't output any code
11816 for block symbols; just pass them to place_section_symbol.
11817 Use get_constant_section and get_constant_alignment.
11818 (force_const_mem): Create a block symbol if use_object_blocks_p and
11819 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11820 (output_constant_pool_1): Add an explicit alignment argument.
11821 Don't switch sections here.
11822 (output_constant_pool): Adjust call to output_constant_pool_1.
11823 Switch sections here instead. Don't output anything for block symbols;
11824 just pass them to place_block_symbol.
11825 (init_varasm_once): Initialize object_block_htab.
11826 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11827 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11828 (place_block_symbol, get_section_anchor, output_object_block)
11829 (output_object_block_htab, output_object_blocks): New functions.
11830 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11831 (TARGET_ASM_OUT): Include it.
11832 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11833 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11834 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11835 (TARGET_INITIALIZER): Include them.
11836 * rtl.c (rtl_check_failed_block_symbol): New function.
11837 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11838 (block_symbol, object_block): New structures.
11839 (rtx_def): Add a block_symbol field to the union.
11840 (BLOCK_SYMBOL_CHECK): New macro.
11841 (rtl_check_failed_block_symbol): Declare.
11842 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11843 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11844 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11845 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11846 * output.h (output_section_symbols): Declare.
11847 (object_block): Name structure.
11848 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11849 (default_use_anchors_for_symbol_p): Declare.
11850 * Makefile.in (RTL_BASE_H): Add vec.h.
11851 (explow.o): Depend on output.h.
11852 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11853 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11854 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11855 (rs6000_use_blocks_for_constant_p): New function.
11857 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11859 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11861 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11864 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11867 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11869 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11873 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11875 PR middle-end/26334
11876 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11877 instead of DECL_REGISTER.
11879 2006-02-18 Olivier Hainque <hainque@adacore.com>
11882 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11884 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11887 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11888 * opth-gen.awk: Handle Var and InverseMask together.
11889 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11890 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11891 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11892 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11894 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11895 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11896 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11897 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11898 LINUX_DYNAMIC_LINKER): Define.
11899 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11900 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11902 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11903 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11904 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11906 (TARGET_C99_FUNCTIONS): Don't define.
11907 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11908 GLIBC_DYNAMIC_LINKER.
11909 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11910 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11911 GLIBC_DYNAMIC_LINKER64): Define.
11912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11913 LINUX_DYNAMIC_LINKER64.
11914 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11916 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11918 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11920 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11921 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11922 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11924 and LINUX_DYNAMIC_LINKER32.
11925 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11927 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11929 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11931 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11932 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11933 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11934 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11935 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11936 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11937 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11938 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11939 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11940 LINUX_DYNAMIC_LINKER): Define.
11941 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11942 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11943 GLIBC_DYNAMIC_LINKER64): Define.
11944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11945 LINUX_DYNAMIC_LINKER64.
11946 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11947 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11948 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11949 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11950 LINUX_DYNAMIC_LINKER): Define.
11951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11952 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11953 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11954 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11955 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11956 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11957 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11958 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11959 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11960 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11962 * doc/invoke.texi (-muclibc): Remove caveat about supported
11965 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11967 * doc/cpp.texi (__TIMESTAMP__): Document.
11969 2006-02-17 Roger Sayle <roger@eyesopen.com>
11971 PR middle-end/25600
11972 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11973 C is one less than the width of X (and related transformations).
11974 * simplify-rtx.c (simplify_unary_operation_1): Transform
11975 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11976 depending on STORE_FLAG_VALUE, were C is one less then the
11979 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11981 Fix PR tree-optimization/26341
11982 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11983 about NAME_MEMORY_TAG's.
11985 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11988 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11989 with hardware float support, and software float support. Add fcpy
11990 alternative to hardware patterns. Add alternatives to copy between
11991 general and floating-point registers to the 32-bit pattern.
11992 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11993 secondary reload to load a QI or HI mode constant into a floating
11995 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11996 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11998 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12001 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12003 (load_macho_picbase_di): Likewise.
12005 2006-02-16 Jeff Law <law@redhat.com>
12007 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12008 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12009 (ssa_name_nonzero_p): Likewise.
12010 (get_value_range): Return NULL if VRP is not running.
12011 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12012 VRP routines do not discover a range.
12013 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12014 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12015 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12016 (tree_expr_nonnegative_p): Similarly.
12017 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12018 (restore_nonzero_vars_to_original_value): Remove.
12019 (unsafe_associative_fp_binop): Remove.
12020 (tree_ssa_dominator_optimize): Remove initialization and
12021 finalization of nonzero_vars and nonzero_vars_stack.
12022 (dom_opt_initialize_block): No longer push marker on
12023 nonzero_vars_stack.
12024 (dom_opt_finalize_block): No longer call
12025 restore_nonzero_vars_to_original_value.
12026 (record_equivalences_from_phis): No longer look for
12027 nonzero PHI arguments.
12028 (cprop_into_successor_phis): No longer propagate nonzero
12029 property into PHI arguments. Lose unused argument. Caller
12031 (record_equivalences_from_stmt): No longer record nonzero
12032 values for SSA_NAMEs.
12033 (lookup_avail_expr): No longer use nonzero_vars.
12035 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12036 for sizetype when sizetype is unsigned.
12038 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12040 PR rtl-optimization/25603
12041 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12042 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12043 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12044 with new meaning of SETS.
12046 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12051 * config/linux.opt: New file.
12052 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12053 LINUX_DYNAMIC_LINKER): Define.
12054 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12055 * config.gcc (*-*-linux*): Define extra_options.
12056 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12057 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12058 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12059 GLIBC_DYNAMIC_LINKER.
12060 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12061 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12062 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12064 * doc/invoke.texi (GNU/Linux Options): New section.
12066 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12068 * config/sparc/sparc.md (setjmp): Rewrite.
12069 (setjmp_32): Delete.
12070 (setjmp_64): Likewise.
12072 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12074 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12077 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12079 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12082 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12084 PR rtl-optimization/26296
12085 * Makefile.in (loop-invariant.c): Add except.h dependency.
12086 * loop-invariant.c: Include except.h.
12087 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12089 2005-02-16 Paul Brook <paul@codesourcery.com>
12091 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12094 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12096 PR rtl-optimization/25636
12097 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12098 when deciding whether an insn is an initializing insn.
12100 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12102 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12103 (tree_code_size): Ditto.
12104 * tree.h (struct tree_memory_tag): Remove parent_var.
12105 (struct tree_struct_field_tag): New.
12108 (union tree_node): Add sft member.
12109 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12111 (create_sft): Add size and offset argument, set SFT_OFFSET and
12113 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12114 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12115 * tree-flow-inline.h (get_subvar_at): Update for
12116 SFT_OFFSET/SFT_SIZE.
12117 (var_can_have_subvars): Ditto.
12118 (overlap_subvar): Ditto.
12119 * print-tree.c (print_node): Print out interesting things for
12121 * tree-flow.h (struct subvar): Remove offset and size members.
12122 * tree-ssa-operands.c (get_expr_operands): Update for
12123 get_indirect_ref_operands changes.
12124 (get_indirect_ref_operands): Call add_virtual_operand instead of
12125 add_stmt_operand. Only recurse on base var if requested.
12126 (access_can_touch_variable): New function.
12127 (add_stmt_operand): Split virtual operand handling into ...
12128 (add_virtual_operand): Here. Add offset, size, and for_clobber
12129 arguments. Prune alias sets.
12130 (add_call_clobber_ops): Call add_virtual_operand.
12132 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12134 PR middle-end/26300
12135 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12137 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12138 than TREE_CODE as index into omp_clause_num_ops array.
12140 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12142 PR rtl-optimization/26184
12143 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12145 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12146 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12147 must_precede, must_follow and tobe_scheduled.
12150 * opts.c (common_handle_option): Free new_option pointer.
12151 * df-core.c (df_analyze): Free postorder pointer.
12153 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12155 * Makefile.in: Fix the examples about the use of stamps
12157 2006-02-15 Michael Matz <matz@suse.de>
12159 PR middle-end/22275
12161 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12162 influenced by maximum_field_alignment or DECL_PACKED.
12163 (update_alignment_for_field): Ditto.
12164 (place_field): Ditto.
12165 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12168 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12170 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12171 (debug_flow_info): Pass it.
12172 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12173 * bb-reorder.c (reorder_basic_blocks): Likewise.
12174 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12175 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12176 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12177 * gcse.c (gcse_main, bypass_jumps): Likewise.
12178 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12179 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12180 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12181 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12182 * rtl.h (dump_flow_info): Adjust prototype.
12183 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12184 * var-tracking.c (variable_tracking_main): Likewise.
12185 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12186 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12189 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12191 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12194 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12196 PR tree-optimization/26209
12197 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12198 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12200 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12202 2006-02-14 Roger Sayle <roger@eyesopen.com>
12204 PR middle-end/23670
12205 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12206 (X,Y) and the corresponding symmetry related transformations.
12207 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12208 (X,Y) and its symmetry related transformations.
12210 2006-02-14 Roger Sayle <roger@eyesopen.com>
12212 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12215 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12217 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12219 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12222 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12223 support COMDAT group.
12224 * configure: Regenerate.
12226 2006-02-14 Roger Sayle <roger@eyesopen.com>
12228 PR middle-end/26279
12229 PR middle-end/26280
12230 PR middle-end/26283
12231 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12233 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12235 Fix PR tree-optimization/26260
12237 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12239 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12240 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12241 * tree-ssa-structalias.c (create_variable_info_for): Use
12242 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12244 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12246 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12248 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12249 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12250 of the ending condition.
12251 * tree-ssa-loop-manip.c: Include params.h.
12252 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12253 tree_unroll_loop): New functions.
12254 * tree-pass.h (pass_loop_prefetch): Declare.
12255 * loop.c (rest_of_handle_loop_optimize): Test for
12256 -fprefetch-loop-arrays-rtl.
12257 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12258 * timevar.def (TV_TREE_PREFETCH): New timevar.
12259 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12260 pass_loop_prefetch): New.
12261 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12262 (cleanup_tree_cfg_loop): Call scev_reset.
12263 * common.opt (fprefetch-loop-arrays-rtl): Add.
12264 * tree-ssa-loop-prefetch.c: New file.
12265 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12266 (new_temp_expr_table): Initialize expr_vars.
12267 (free_temp_expr_table): Cleanup expr_vars.
12268 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12269 expressions from being merged into one.
12270 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12271 (struct tree_niter_desc): Add control, bound and cmp fields.
12272 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12274 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12275 (tree-cfgcleanup.o): Add SCEV_H dependency.
12276 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12277 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12279 2006-02-14 Richard Guenther <rguenther@suse.de>
12281 PR tree-optimization/26258
12282 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12283 in PHI argument processing.
12285 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12287 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12288 new expression in the requested machine mode.
12290 2006-02-13 Roger Sayle <roger@eyesopen.com>
12292 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12293 directly, instead let do_compare_rtx_and_jump handle this for us.
12294 * expr.c (expand_expr_real_1): Likewise.
12295 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12296 before do_jump_by_parts_greater.
12297 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12298 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12300 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12302 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12304 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12306 PR rtl-optimization/26235
12307 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12308 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12311 2006-02-13 Jeff Law <law@redhat.com>
12313 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12316 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12318 PR middle-end/26092
12319 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12320 twice if decl is a builtin. When trying again, call get_callee_fndecl
12321 first to verify it is still a builtin.
12323 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12325 * dwarf2out.c (base_type_die): Don't add AT_name here.
12326 (subrange_type_die): Don't add AT_name here.
12327 (modified_type_die): Rearrange code flow. Do add AT_name here.
12329 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12331 PR rtl-optimization/26247
12332 PR rtl-optimization/26248
12333 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12335 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12337 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12338 * config/fixtfdi.c: Likewise.
12339 * config/fixunstfdi.c: Likewise.
12340 * config/floatditf.c: Likewise.
12342 2006-02-13 Roger Sayle <roger@eyesopen.com>
12344 PR middle-end/24427
12345 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12346 into (X,C2) if C1 is a subset of the bits of C2. Transform
12347 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12349 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12351 2006-02-13 Josh Conner <jconner@apple.com>
12354 * varasm.c (function_section): Check for section name before
12355 calling select_section on targets that define
12356 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12357 unlikely_text_section instead of hot_function_section if
12358 first_function_block_is_cold.
12360 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12362 PR middle-end/25335
12363 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12367 PR rtl-optimization/26222
12368 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12369 after tree->rtl expansion.
12370 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12371 before passing it to emit_move_insn.
12373 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12375 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12377 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12378 Clarify documentation.
12379 * c-common.h (warn_write_strings): Remove.
12380 * c-common.c (warn_write_strings): Likewise.
12381 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12384 2006-02-12 Roger Sayle <roger@eyesopen.com>
12386 PR middle-end/25724
12387 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12388 (do_jump_parts_zero_rtx): New function renamed from
12389 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12390 (do_jump_parts_equality_rtx): New function split out from
12391 do_jump_parts_equality. Old implementation renamed as above.
12392 Call do_jump_parts_zero_rtx if either operand is zero.
12393 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12394 do all of the heavy lifting.
12395 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12396 calling either do_jump_by_parts_greater_rtx or
12397 do_jump_by_parts_equality_rtx.
12398 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12399 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12400 moved to do_compare_rtx_and_jump, call it directly.
12401 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12402 mode argument. Call do_compare_rtx_and_jump.
12403 (emit_case_nodes): Update calls to do_jump_if_equal.
12405 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12407 PR rtl-optimization/26225
12408 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12410 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12412 PR rtl-optimization/26232
12413 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12415 2006-02-11 Jason Merrill <jason@redhat.com>
12418 * tree-inline.c (declare_return_variable): Just don't use the
12419 modify target if it's a gimple complex reg and the return slot
12422 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12424 * doc/contrib.texi: Update my entry.
12426 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12428 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12430 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12432 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12435 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12437 * doc/invoke.texi (-floop-optimize2): Removed.
12438 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12439 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12440 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12441 * common.opt (floop-optimize2): Removed.
12442 (fmove-loop-invariants): Enabled by default.
12444 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12446 * tree-if-conv.c (combine_blocks): Free the result of
12447 get_loop_exit_edges.
12449 2006-02-10 Jeff Law <law@redhat.com>
12451 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12453 PR tree-optimization/26213
12454 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12455 loop trying to follow SSA_NAME_VALUE chains.
12457 2006-02-10 Richard Guenther <rguenther@suse.de>
12459 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12460 deal with structures that end in implicitly variable sized arrays.
12462 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12464 PR rtl-optimization/24762
12465 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12468 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12470 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12471 (struct ivopts_data): Add regs_used field.
12472 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12473 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12474 instead of loop_data->regs_used;
12475 (free_loop_data): Do not free aux fields for loops.
12476 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12477 and tree_ssa_iv_optimize_finalize.
12479 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12481 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12483 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12486 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12487 computing the effective result type.
12489 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12491 PR inline-asm/16194
12492 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12493 (tree_overlaps_hard_reg_set): Declare.
12494 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12495 type and signature to match function type expected by walk_tree.
12496 (tree_overlaps_hard_reg_set): New function.
12497 (decl_conflicts_with_clobbers_p): Rename to:
12498 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12499 Use tree_overlaps_hard_reg_set. Changed caller.
12500 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12501 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12502 * cris.c (cris_md_asm_clobbers): Likewise.
12504 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12506 * reload1.c (emit_input_reload_insns): Delete code that tries to
12507 inherit using find_equiv_reg.
12509 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12511 * c-common.h (flag_const_strings): Don't declare.
12512 * c-common.c (flag_const_strings): Remove.
12513 * c.opt (fconst_strings): Remove.
12514 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12515 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12516 (c_common_init_options): Don't set flag_const_strings.
12517 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12519 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12521 * arm.md (tlobits_cbranch): New pattern.
12522 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12523 testing a single bit.
12525 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12528 * tree-ssa-pre.c (create_component_ref_by_pieces):
12529 Handle RETURN_DECL like VAR_DECL.
12531 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12533 PR middle-end/26134
12534 * fold-const.c (fold_indirect_ref_1): Fold
12535 "*(foo *)&complexfoo" to "__real__ complexfoo"
12536 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12538 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12540 * tree-flow-inline.h (var_can_have_subvars):
12541 Volatile variables should not have subvariables.
12543 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12546 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12547 multiplying unsigned values.
12550 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12552 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12554 2006-02-08 Jason Merrill <jason@redhat.com>
12557 * tree.def: Elaborate on difference from MODIFY_EXPR.
12558 * doc/c-tree.texi (INIT_EXPR): Likewise.
12559 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12560 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12561 (gimplify_target_expr): Likewise.
12562 (gimplify_cond_expr): Remove target handling.
12563 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12564 (gimplify_expr): Clobber it here.
12565 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12566 Do return slot optimization if we have an INIT_EXPR.
12569 * tree-inline.c (declare_return_variable): Also clear
12570 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12573 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12575 PR middle-end/22439
12576 * gimplify.c (gimplify_one_sizepos): Fix typo.
12578 2006-02-08 Jeff Law <law@redhat.com>
12580 PR tree-optimization/21417
12581 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12582 across a backedge if the control statement at the end of the
12583 block is data dependent on other statements in the same block.
12584 (record_temporary_equivalences_from_stmts): Remove over-conservative
12585 test for threading across backedges.
12587 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12588 control statement, handle all three special cases in the same
12589 manner as they all have the same desired solution. No longer
12590 special case edge flag updating when the post dominator is
12593 2006-02-08 Roger Sayle <roger@eyesopen.com>
12595 * tree.def (CHAR_TYPE): Remove.
12596 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12597 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12598 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12599 (gen_string_type_die): Delete unreachable function.
12601 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12602 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12603 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12604 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12605 * builtins.c (type_to_class): Likewise.
12606 * fold-const.c (fold_convert, build_range_check,
12607 merge_ranges): Likewise.
12608 * expr.c (count_type_elements): Likewise.
12609 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12610 * stor-layout.c (layout_type): Likewise.
12611 * ipa-type-escape.c (type_to_consider): Likewise.
12612 * gimplify.c (omp_firstprivatize_type_sizes,
12613 gimplify_type_sizes): Likewise.
12614 * explow.c (promote_mode): Likewise.
12615 * tree-sra.c (is_sra_scalar_type): Likewise.
12616 * varasm.c (output_constant): Likewise.
12617 * tree-inline.c (remap_type_1): Likewise.
12618 * convert.c (convert_to_pointer, convert_to_real,
12619 convert_to_integer, convert_to_complex): Likewise.
12621 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12623 * df-scan.c (df_def_record_1): A set destination may
12624 be a parallel regardless of mode.
12626 2006-02-08 Roger Sayle <roger@eyesopen.com>
12629 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12630 * config/mips/_tilib.c: Remove.
12631 * config/fixtfdi.c: New libgcc source file.
12632 * config/fixunstfdi.c: New source file.
12633 * config/floatditf.c: New source file.
12634 * config/floatunditf.c: New souce file.
12635 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12636 files above instead of config/mips/_tilib.c.
12637 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12639 2006-02-08 Jeff Law <law@redhat.com>
12641 PR tree-optimization/26169
12642 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12645 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12647 * df.h (DF_REG_SIZE): Return the length of the initialized
12650 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12652 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12653 __muldf3): Return a correctly signed zero.
12655 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12657 * passes.c (register_one_dump_file): Accept the current properties
12658 instead of pass number. Adjust call to dump_register. Remove
12660 (register_dump_files): Now a wrapper around...
12661 (register_dump_files_1): ... this one. Do not modify the pass
12663 (next_pass_1): Cosmetic fix.
12664 (execute_todo): Keep second parameter only. Use curr_properties
12665 instead of fetching it from the pass structure. Check and set
12667 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12668 instead of fetching it from the pass structure. Fix calls to
12669 execute_todo. Update curr_properties and initialize .vcg RTL dump
12670 after running the pass. Reset last_verified.
12671 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12673 (FIRST_AUTO_NUMBERED_DUMP): New.
12674 (dump_register): Remove "num" parameter, assign it within the
12676 (get_dump_file_name): Modify template for dumps.
12677 * tree-dump.h (dump_register): Adjust prototype.
12678 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12679 (PROP_trees): Add PROP_gimple_lomp.
12680 (TODO_set_props): New.
12681 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12682 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12683 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12685 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12687 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12688 (sparc64-*-linux*): Likewise.
12689 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12690 * config/sparc/t-linux: New file.
12691 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12692 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12693 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12694 -m32 -mlong-double-128.
12696 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12697 * config/alpha/t-linux: New file.
12698 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12700 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12701 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12702 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12703 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12704 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12705 (CPP_ARCH32_SPEC): Remove.
12707 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12709 PR tree-optimization/26145
12710 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12713 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12716 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12717 >= 240000 when generating code for SOM runtime.
12718 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12719 to $$dyncall when generating code for SOM runtime..
12721 2006-02-07 Dirk Mueller <dmueller@suse.com>
12724 * doc/invoke.texi (-Wsequence-point): Update documentation
12725 that -Wsequence-point is implemented for C++ as well.
12727 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12729 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12730 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12731 (LIB_SPEC): Likewise.
12732 * doc/invoke.texi (SPARC options): Document -pthread.
12734 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12736 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12739 2006-02-07 Roger Sayle <roger@eyesopen.com>
12741 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12742 Correct comment describing BOOLEAN_TYPE.
12744 2006-02-07 Dirk Mueller <dmueller@suse.com>
12746 * c.opt: C++ frontend supports -Wdiv-by-zero.
12747 * c-opts.c (c_common_handle_option): Remove dead case.
12749 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12751 * configure.ac (TLS assembler check): Do not enable TLS by
12752 default on SPARC/Solaris before version 10.
12753 * configure: Regenerate.
12755 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12757 * doc/invoke.texi (xl-compat): Document conversion and support
12760 2006-02-07 Jeff Law <law@redhat.com>
12762 * tree-vrp.c (find_conditional_asserts): Update comments.
12763 (simplify_stmt_for_jump_threading): New.
12764 (identify_jump_threads, finalize_jump_threads): New.
12765 (vrp_finalize): Call identify_jump_threads.
12766 (execute_vrp): Call finalize_jump_threads.
12767 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12768 (vrp_element, vrp_data, vrp_element_p): Remove.
12769 (vrp_hash_elt, vrp_variables_stack): Remove.
12770 (vrp_hash, vrp_eq, record_range): Remove.
12771 (simplify_cond_and_lookup_avail_expr): Remove.
12772 (extract_range_from_cond): Remove.
12773 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12774 (simplify_stmt_for_jump_threading): New.
12775 (dom_thread_across_edge): New wrapper.
12776 (tree_ssa_dominator_optimize): No longer initialize or
12777 finalize any of the VRP datastructures. Remove iteration
12778 step and simplify as a result of removal of iteration step.
12779 (pass_dominator): Perform a cfg cleanup after DOM.
12780 (dom_opt_finalize_block): Use the new common routines
12781 for threading jumps. Simplify stack management slightly.
12782 No longer need to unwind VRP state.
12783 (record_equivalences_from_incoming_edge): No longer record
12785 (eliminate_redundant_computations): No longer call
12786 simplify_cond_and_lookup_avail_expr.
12787 * tree-flow.h (potentially_threadable_block): Prototype.
12788 (thread_across_edge): Likewise.
12789 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12790 (tree-ssa-threadedge.o): Add dependencies.
12791 * tree-ssa-threadedge.c: New file.
12792 * passes.c (init_optimization_passes): Merge PHIs before
12793 calling VRP. Run VRP again late in the SSA optimization pipeline.
12795 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12797 * df-core.c (df_set_blocks): Do not dereference function pointers.
12798 (df_finish1): Likewise.
12799 (df_hybrid_search_forward): Likewise.
12800 (df_hybrid_search_backward): Likewise.
12801 (df_iterative_dataflow): Likewise.
12802 (df_analyze_problem): Likewise.
12803 (df_compact_blocks): Likewise.
12804 (df_dump): Likewise.
12805 * df-scan.c (df_rescan_blocks): Likewise.
12806 (df_record_entry_block_defs): Likewise.
12808 * genconditions.c (write_conditions): Guard the definition of
12809 'insn_conditions' with the check on GCC version.
12810 (write_writer): Guard the traversal 'insn_conditions' with
12811 the check on GCC version.
12813 2006-02-07 Richard Guenther <rguenther@suse.de>
12817 2006-01-30 Richard Guenther <rguenther@suse.de>
12819 * gimplify.c (gimplify_target_expr): Handle easy cases
12820 without creating a temporary.
12822 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12824 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12825 use of float in probability computations. Use edge probabilities
12826 in place of statically computed probabilities.
12827 (min_spec_prob): New static variable.
12828 (schedule_insns): Initialize it.
12829 (GET_SRC_PROB): Removed.
12830 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12832 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12835 * config/ia64/unwind-ia64.c: Revert last change.
12836 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12837 (INCOMING_FRAME_SP_OFFSET): Define.
12839 2006-02-06 Roger Sayle <roger@eyesopen.com>
12841 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12843 2006-02-07 Ben Elliston <bje@au.ibm.com>
12845 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12846 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12847 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12848 (ix86_return_in_memory): Handle TDmode.
12849 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12850 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12852 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12854 * reorg.c (dbr_schedule): Use dump_file instead of file.
12856 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12859 * config/ia64/predicates.md (extr_len_operand): New predicate.
12860 * config/ia64/ia64.md (extv): Tighten constraints.
12862 (*tbit_and_2): Ditto.
12863 (*tbit_and_3): Ditto.
12864 (*tbit_or_2): Ditto.
12865 (*tbit_or_3): Ditto.
12866 (*bit_zero): Ditto.
12869 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12872 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12874 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12876 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12877 loop_optimizer_init and loop_optimizer_finalize
12878 * tree-ssa-sink.c (execute_sink_code): Ditto.
12879 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12880 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12881 tree_ssa_loop_done): Ditto.
12882 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12883 * sched-ebb.c: Include output.h.
12884 (schedule_ebbs): Do not use dump argument.
12885 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12886 * loop.c (loop_dump_stream): Removed.
12887 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12889 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12890 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12891 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12892 loop_iterations, strength_reduce, record_biv, record_giv,
12893 final_giv_value, check_final_value, check_ext_dependent_givs,
12894 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12895 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12896 dump_file instead of loop_dump_stream.
12897 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12898 argument dump_file.
12899 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12901 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12902 * haifa-sched.c: Include output.h
12903 (schedule_insns, sched_init): Do not use dump argument.
12904 * mode-switching.c (optimize_mode_switching): Ditto.
12905 * modulo-sched.c (stats_file): Removed.
12906 (print_node_sched_params): Do not call argument dump_file.
12907 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12908 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12910 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12912 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12913 rtl_loop_init, rtl_loop_done): Ditto.
12914 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12915 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12917 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12918 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12919 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12920 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12921 * emit-rtl.c (renumber_insns): Ditto.
12922 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12923 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12924 * regclass.c (regclass): Ditto.
12925 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12926 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12927 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12928 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12930 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12931 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12933 * gcse.c (gcse_file, debug_stderr): Removed.
12934 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12935 rest_of_handle_gcse): Do not use dump argument.
12936 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12937 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12938 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12939 compute_code_hoist_vbeinout, compute_code_hoist_data,
12940 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12941 compute_store_table, build_store_vectors, insert_insn_start_bb,
12942 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12943 store_motion): Use dump_file instead of gcse_file.
12944 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12945 * profile.c (profile_dump_file): Removed.
12946 (branch_prob): Use dump_file instead of profile_dump_file.
12947 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12949 * tree-ssa-copy.c (dump_copy_of): Ditto.
12950 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12951 dump file to life_analysis.
12952 * bt-load.c (branch_target_load_optimize): Ditto.
12953 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12955 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12956 regclass, dbr_schedule): Declaration changed.
12957 * sched-int.h (sched_init): Declaration changed.
12958 * tree-profile.c (tree_profile_dump_file): Removed.
12959 (tree_profile_hooks): Removed profile_dump_file hook.
12960 * rtl-profile (rtl_profile_dump_file): Removed.
12961 (rtl_profile_hooks): emoved profile_dump_file hook.
12962 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12964 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12965 * tree-cfg.c (build_tree_cfg): Ditto.
12966 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12967 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12968 Declaration changed.
12969 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12970 life_analysis and schedule_insns.
12971 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12973 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12975 * config/mips/mips.c (mips_reorg): Ditto.
12976 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12979 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12981 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12982 (s390_mangle_fundamental_type): New.
12983 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12986 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12987 (alpha_mangle_fundamental_type): New.
12988 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12991 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12993 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12995 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12996 (sparc_mangle_fundamental_type): New.
12998 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13000 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13001 (s390x-*-linux*): Likewise.
13002 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13003 * config/s390/t-linux: New file.
13005 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13007 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13008 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13010 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13012 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13013 (ANTIC_SAFE_LOADS): New macro.
13014 (find_or_generate_expression): Add prototype.
13015 (set_contains_value): Allow null set for sake of not always having
13016 to allocate ANTIC_SAFE_LOADS.
13017 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13018 Allow COMPONENT_REF too.
13019 (valid_in_set): Allow COMPONENT_REF.
13020 Check ANTIC_SAFE_LOADS too.
13021 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13022 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13024 (can_PRE_operation): Add COMPONENT_REF.
13025 (create_component_ref_by_pieces): New function.
13026 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13027 (insert_aux): Move AGGREGATE_TYPE_P check here.
13028 (compute_avail): Set bb local stmt uids.
13029 (pass_pre): Use TODO_update_ssa_only_virtuals.
13031 2006-02-06 Ben Elliston <bje@au.ibm.com>
13033 * configure.ac: Unconditionally disable decimal float by default.
13034 * configure: Regenerate.
13036 2006-02-06 Ben Elliston <bje@au.ibm.com>
13038 * read-rtl.c (read_name): Terminate reading on EOF.
13040 2006-02-06 Ben Elliston <bje@au.ibm.com>
13042 * dfp.c (decimal_real_arithmetic): Change second argument type
13043 from int to enum tree_code. Do not always return true, but now
13044 return result of any call to decimal_do helper functions.
13045 * dfp.h (decimal_real_arithmetic): Update prototype.
13047 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13049 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13051 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13054 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13057 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13059 * tree-vrp.c (cfg_loops): Removed.
13060 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13061 Use current_loops instead of cfg_loops. Pass flags to
13062 loop_optimizer_init.
13063 * cfgloopmanip.c (fix_loop_structure): Update only available
13065 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13066 loop_optimizer_init.
13067 * modulo-sched.c (build_loops_structure): Removed.
13068 (sms_schedule): Use loop_optimizer_init.
13069 * loop-init.c (loop_optimizer_init): Use flags to determine
13070 which properties of loops to prepare.
13071 (rtl_loop_init): Pass flags to loop_optimizer_init.
13072 * tree-ssa-sink.c (execute_sink_code): Ditto.
13073 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13074 * tree-ssa-pre.c (init_pre): Ditto.
13075 * cfgloop.h (LOOPS_NORMAL): New.
13076 (loop_optimizer_init): Declaration changed.
13078 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13080 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13081 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13083 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13085 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13087 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13088 * pa/t-pa64: Delete quadlib.c rule.
13089 * pa/x-ada: Revert last change.
13090 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13092 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13094 PR rtl-optimization/26087
13095 * rtlanal.c (canonicalize_condition): Do not cross basic block
13098 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13101 * config/ia64/ia64.c: Include debug.h.
13102 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13103 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13104 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13105 (process_epilogue, process_set, process_for_unwind_directive):
13106 Output unwind info only if requested. Add CFA info if requested.
13107 Add new arguments as needed. Adjust callers.
13108 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13110 (DWARF2_FRAME_INFO): Define to zero.
13111 * config/ia64/unwind-ia64.c: Remove code that compensated for
13112 the CFA offset error fixed above.
13113 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13114 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13115 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13116 -funwind-tables and -fexceptions to enable frame info.
13117 (dwarf2out_frame_init): Define initial CFA even if
13118 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13119 DWARF2_UNWIND_INFO is nonzero, not just defined.
13120 (dwarf2out_frame_finish): Output non-EH call frame info only
13121 if DWARF2_FRAME_INFO is nonzero.
13122 (convert_cfa_to_loc_list,
13123 compute_frame_pointer_to_cfa_displacement): Define even if
13124 unwind info is not supported.
13125 (gen_subprogram_die): Use the above unconditionally. Remove
13126 legacy alternate code.
13127 * toplev.c (compile_file): Compile in call to
13128 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13129 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13131 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13132 Jakub Jelinek <jakub@redhat.com>
13134 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13135 IBM extended float format long double as "g" on powerpc*-linux.
13137 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13140 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13141 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13143 2006-02-03 Jason Merrill <jason@redhat.com>
13146 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13148 PR middle-end/25977
13149 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13150 on the return slot if it's an NRV.
13152 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13154 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13155 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13156 rewrite_use): Do not handle USE_OUTER.
13157 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13158 add_iv_outer_candidates, may_replace_final_value,
13159 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13160 (find_interesting_uses_op): Functionality of
13161 find_interesting_uses_outer_or_nonlin moved here.
13162 (find_interesting_uses_outside): Use find_interesting_uses_op.
13164 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13167 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13169 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13170 Ulrich Weigand <uweigand@de.ibm.com>
13173 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13174 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13175 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13176 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13178 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13179 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13180 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13181 Define secondary reloads for TFmode moves.
13182 (constant_modes): Add TFmode.
13183 (NR_C_MODES): Set to 8.
13184 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13186 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13187 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13188 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13189 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13190 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13191 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13192 (FPR mode macro): Add TFmode.
13193 (DSF mode macro): New.
13194 (<de>, <dee> mode attributes): Removed.
13195 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13196 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13197 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13198 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13199 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13200 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13201 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13202 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13203 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13204 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13205 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13206 "*negabs<mode>2", "sqrt<mode>2"):
13207 Changed <de> to <xde>. R constraint replaced by <Rf>.
13208 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13210 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13211 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13212 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13214 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13215 "extenddftf2", "extendsftf2"): New expanders.
13216 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13217 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13218 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13219 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13221 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13222 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13223 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13224 __floatditf): Add a GCC_4.1.0 symbol version tag.
13225 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13228 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13231 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13232 Use targetm.binds_local_p instead of TREE_PUBLIC.
13234 2006-02-02 Roger Sayle <roger@eyesopen.com>
13236 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13237 on INTEGER_TYPEs to indicate that it denotes a character type.
13238 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13239 signed_char_type_node, unsigned_char_type_node and char_type_node.
13240 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13241 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13242 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13244 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13245 Daniel Berlin <dberlin@dberlin.org>
13247 * tree-tailcall.c (arg_needs_copy_p): New function.
13248 (eliminate_tail_call): Use arg_needs_copy_p.
13249 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13250 (add_virtual_phis): New function.
13252 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13254 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13255 #ignore instead of #scratch for %g7 .register directive.
13257 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13259 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13262 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13264 * flow.c (calculate_global_regs_live): Assert that there aren't any
13267 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13269 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13270 what its name says.
13271 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13272 bsi_after_labels iterator.
13273 * tree-if-conv.c (find_phi_replacement_condition,
13274 replace_phi_with_cond_modify_expr): Likewise.
13275 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13276 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13278 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13280 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13282 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13285 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13286 array after growing it.
13288 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13290 PR middle-end/24901
13291 * fold-const.c (fold_checksum_tree): Change type of buf.
13293 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13295 * reload.c (push_secondary_reload): Initialize t_icode.
13297 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13299 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13300 -msoft-float -mlong-double-128 only issue a warning, but don't
13301 swich to DFmode long double.
13303 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13305 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13306 has a constant equivalent, iterate over equivalents for arg0,
13307 calling simplify_relational_operation and if there's a result
13308 cheaper than X, apply fold_rtx and return the result.
13310 2006-02-01 Jan Hubicka <jh@suse.cz>
13312 * opts.c (no_unit_at_a_time_default): New global variable.
13313 (decode_options): Use it.
13314 * opts.h (no_unit_at_a_time_default): Declare.
13316 2006-02-01 Paul Brook <paul@codesourcery.com>
13318 * function.c (assign_parm_setup_reg): Use function argument promotion
13320 * expr.c (expand_expr_real_1): Use function argument promotion rules
13323 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13325 * gcc.c (process_command): Change j to 'unsigned int'.
13327 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13329 PR middle-end/26001
13330 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13331 Use the corrected index for the character
13332 out of the string constant.
13334 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13336 * mode-switching.c (optimize_mode_switching): Fix size
13337 allocated for bb_info[n_entities].
13339 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13341 * gcc.c (main): Correct type that is allocated for
13342 explicit_link_files.
13344 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13346 * config/s390/s390.c (init_alignment_context): Set
13347 ALIAS_SET_MEMORY_BARRIER on the MEM.
13348 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13350 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13352 PR middle-end/25933
13353 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13355 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13358 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13360 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13361 * regrename.c: Ditto.
13362 * tree-ssa-loop-im.c: Ditto.
13363 * tree-dump.c: Ditto.
13364 * tree-complex.c: Ditto.
13365 * genrecog.c: Ditto.
13366 * tree-ssa-threadupdate.c: Ditto.
13368 * java/class.c: Ditto.
13369 * java/jcf-parse.c: Ditto.
13370 * java/resource.c: Ditto.
13371 * java/except.c: Ditto.
13372 * java/jvspec.c: Ditto.
13373 * java/jcf-write.c: Ditto.
13374 * java/jcf-path.c: Ditto.
13375 * java/gjavah.c: Ditto.
13376 * java/zextract.c: Ditto.
13377 * java/jcf-io.c: Ditto.
13378 * java/jcf.h: Ditto.
13379 * java/buffer.c: Ditto.
13380 * java/lang.c: Ditto.
13381 * java/parse-scan.y: Ditto.
13382 * java/lex.c: Ditto.
13383 * java/lex.h: Ditto.
13384 * cfgloopmanip.c: Ditto.
13385 * postreload-gcse.c: Ditto.
13386 * tree-ssa-loop-manip.c: Ditto.
13387 * postreload.c: Ditto.
13388 * tree-ssa-loop-ch.c: Ditto.
13391 * cppspec.c: Ditto.
13392 * diagnostic.c: Ditto.
13394 * genoutput.c: Ditto.
13396 * cfghooks.c: Ditto.
13397 * cfgloopanal.c: Ditto.
13398 * objc/objc-act.c: Ditto.
13400 * genextract.c: Ditto.
13401 * genautomata.c: Ditto.
13402 * pretty-print.c: Ditto.
13403 * genemit.c: Ditto.
13404 * cgraphunit.c: Ditto.
13406 * df-scan.c: Ditto.
13407 * haifa-sched.c: Ditto.
13408 * dominance.c: Ditto.
13410 * tree-ssa-loop-ivopts.c: Ditto.
13411 * df-core.c: Ditto.
13412 * mode-switching.c: Ditto.
13413 * modulo-sched.c: Ditto.
13415 * ipa-pure-const.c: Ditto.
13417 * fix-header.c: Ditto.
13419 * tree-stdarg.c: Ditto.
13420 * ipa-utils.c: Ditto.
13421 * loop-init.c: Ditto.
13422 * ipa-inline.c: Ditto.
13423 * cfganal.c: Ditto.
13425 * alloc-pool.c: Ditto.
13426 * dwarf2out.c: Ditto.
13428 * genattrtab.c: Ditto.
13429 * tree-ssa-loop-ivcanon.c: Ditto.
13430 * predict.c: Ditto.
13431 * timevar.c: Ditto.
13433 * fortran/gfortranspec.c: Ditto.
13434 * regmove.c: Ditto.
13435 * local-alloc.c: Ditto.
13436 * langhooks.c: Ditto.
13437 * function.c: Ditto.
13438 * tree-vectorizer.c: Ditto.
13440 * ipa-type-escape.c: Ditto.
13442 * tree-if-conv.c: Ditto.
13443 * profile.c: Ditto.
13445 * tree-data-ref.c: Ditto.
13446 * loop-unroll.c: Ditto.
13447 * treelang/treetree.c: Ditto.
13449 * bt-load.c: Ditto.
13450 * ggc-common.c: Ditto.
13452 * coverage.c: Ditto.
13454 * tree-cfgcleanup.c: Ditto.
13455 * tree-ssa-pre.c: Ditto.
13456 * cfgcleanup.c: Ditto.
13457 * loop-invariant.c: Ditto.
13458 * loop-iv.c: Ditto.
13459 * ipa-prop.c: Ditto.
13460 * print-tree.c: Ditto.
13461 * conflict.c: Ditto.
13462 * ggc-page.c: Ditto.
13463 * sched-deps.c: Ditto.
13464 * regclass.c: Ditto.
13465 * tree-object-size.c: Ditto.
13466 * combine.c: Ditto.
13467 * bb-reorder.c: Ditto.
13468 * resource.c: Ditto.
13469 * var-tracking.c: Ditto.
13470 * cfgloop.c: Ditto.
13471 * df-problems.c: Ditto.
13472 * reg-stack.c: Ditto.
13474 * gccspec.c: Ditto.
13475 * sched-rgn.c: Ditto.
13476 * tree-ssa-structalias.c: Ditto.
13477 * tree-ssa-reassoc.c: Ditto.
13478 * config/darwin-c.c: Ditto.
13479 * config/darwin.c: Ditto.
13480 * config/arm/arm.c: Ditto.
13482 * collect2.c: Ditto.
13483 * reload1.c: Ditto.
13485 2006-01-31 Nicolas Pitre <nico@cam.org>
13487 * arm.md (smaxsi3): Make aware of smax_m1.
13490 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13492 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13494 2006-01-31 Richard Guenther <rguenther@suse.de>
13496 * doc/invoke.texi (-msselibm): Document.
13497 * target.h (expand_library_builtin): New target hook.
13498 * builtins.c (expand_builtin): Use expand_library_builtin.
13499 (default_expand_library_builtin): New function.
13500 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13501 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13502 (link_gcc_math_spec): Declare.
13503 (static_specs): Add link_gcc_math_spec.
13504 * expr.h (default_expand_library_builtin): Declare.
13505 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13506 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13507 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13508 * config/i386/i386.opt (msselibm): New target option.
13509 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13510 (ix86_init_sse_abi_builtins): New function.
13511 (ix86_expand_library_builtin): Likewise.
13512 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13513 (override_options): Handle error conditions wrt -msselibm.
13514 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13515 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13516 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13519 2006-01-31 Richard Guenther <rguenther@suse.de>
13520 Paolo Bonzini <bonzini@gnu.org>
13522 * doc/install.texi (--disable-libgcc-math): Document.
13524 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13526 * expr.h (expand_normal): new inline function.
13527 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13528 * dojump.c: use it.
13529 * dwarf2out.c: use it.
13532 * expmed.c: use it.
13533 * except.c: use it.
13534 * config/sparc/sparc.c: use it.
13535 * config/i386/i386.c: use it.
13536 * config/rs6000/rs6000.c: use it.
13537 * config/arm/arm.c: use it.
13538 * config/mips/mips.c: use it.
13539 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13541 2006-01-30 Roger Sayle <roger@eyesopen.com>
13543 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13544 argv to the appropriate type.
13546 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13548 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13551 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13554 * config/s390/s390.c (struct machine_function): New flag
13555 decomposed_literal_pool_addresses_ok_p.
13556 (s390_reorg): Set it before final stage of literal pool transforms.
13557 (s390_decompose_address): Only accept displacements of the form
13558 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13560 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13562 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13563 the comparison routine return.
13565 2006-01-30 Michael Matz <matz@suse.de>
13567 * global.c (find_reg): Only evict for global regs.
13568 Take n_refs into account and dump more info.
13570 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13573 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13574 (pragma_trap, pragma_nosave_low_regs): Likewise.
13575 (current_function_anonymous_args): Likewise.
13576 (sh_deferred_function_attributes): New variable.
13577 (sh_deferred_function_attributes_tail): Likewise.
13578 (print_operand): For '@', look up trap_exit attribute.
13579 (calc_live_regs): Look up trapa_handler attribute. For trapa
13580 handlers, save/restore fpscr, but don't do any other
13581 interrupt-specific saves.
13582 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13583 Fix check for partially saved registers to check for SHmedia.
13584 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13585 (sh_output_function_epilogue): Don't clear any of the removed
13587 (sh_insert_attributes): Don't check pragma_interrupt.
13588 Insert deferred attributes. Check that interrupt attribute is
13589 present for other attributes that require its presence.
13590 (sh_attribute_table): Add new attributes trapa_handler and
13592 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13593 Don't check for pragma_interrupt. Don't store argument.
13594 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13595 (sh_deferred_function_attributes): Declare.
13596 (sh_deferred_function_attributes_tail): Likewise.
13597 * sh.md (sp_switch_1): Add operand. Change generator caller.
13598 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13599 (*return_i): Don't use when trap_exit attribute is in effect.
13600 (*return_trapa): New insn pattern.
13601 * sh-c.c: New file.
13602 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13603 setting c_target_objs and cxx_target_objs.
13604 * t-sh: Add rule for sh-c.o.
13606 2006-01-30 Richard Guenther <rguenther@suse.de>
13609 * gimplify.c (gimplify_target_expr): Handle easy cases
13610 without creating a temporary.
13612 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13614 * vec.h (safe_grow): Remove duplicated line.
13616 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13619 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13620 (expand_omp): ... here.
13621 (expand_omp_parallel): Only remove barriers for combined
13622 parallel+workshare constructs.
13624 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13628 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13629 * tree.c (build_qualified_type): Chain the new type to the original
13630 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13631 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13632 (build_pointer_type_for_mode): Only return unqualified types.
13633 (build_reference_type_for_mode): Likewise.
13635 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13637 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13638 * Makefile.in (CXX_COMPAT_WARN): Define.
13639 * configure: Regenerate.
13641 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13644 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13647 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13649 * toplev.c: Fix thinko.
13651 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13652 Marcin Dalecki <martin@dalecki.de>
13654 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13655 (push_srcloc): Use XNEW.
13656 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13658 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13660 * df-core.c (df_set_blocks): Deleted all variable.
13662 2006-01-28 Ian Lance Taylor <ian@airs.com>
13664 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13665 cgraph_output_pending_asms.
13667 2006-01-28 Zack Weinberg <zackw@panix.com>
13669 * c.opt: Add -W(no-)overlength-strings.
13670 * doc/invoke.texi: Document it.
13671 * c-opts.c (c_common_handle_option): -pedantic implies
13672 -Woverlength-strings, if not explicitly disabled already.
13673 (c_common_post_options): -Woverlength-strings defaults to off, and
13674 is always off for C++.
13675 * c-common.c (fix_string_type): Issue warning about strings longer
13676 than is portable only if warn_overlength_strings. Rearrange code
13677 a little for clarity.
13678 * configure.in: Check for -Wno-overlength-strings as well before
13679 enabling -pedantic in stage 1.
13680 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13681 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13683 * genconditions.c (write_header, write_one_condition)
13684 (write_conditions, write_writer): Consolidate very long strings
13685 that were broken up to fit in C89 portable limit. Don't use
13686 printf when fputs will do.
13688 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13690 * combine.c (simplify_comparison <AND>): Check
13691 TRULY_NOOP_TRUNCATION before start using a subreg.
13693 * config/mips/mips.md (*branch_zero<mode>,
13694 *branch_zero<mode>_inverted, *branch_equality<mode>,
13695 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13696 Remove mode check from comparisons.
13698 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13700 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13702 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13704 * expmed.c (const_mult_add_overflow_p): Remove.
13705 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13707 * recog.c (validate_replace_rtx_subexp): Remove.
13708 * recog.h: Remove the prototype for
13709 validate_replace_rtx_subexp.
13711 * integrate.h: Remove the prototype for
13712 copy_decl_for_inlining.
13713 * rtl.h: Remove the prototype for mark_constant_function.
13714 * tree-vectorizer.h: Remove the prototype for
13715 vect_strip_conversion.
13717 * modulo-sched.c (create_partial_schedule,
13718 free_partial_schedule, reset_partial_schedule): Make them
13721 * hooks.c (hook_bool_rtx_int_false): Remove.
13722 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13724 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13726 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13727 and -mlong-double-128 are incompatible.
13728 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13729 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13730 (TARGET_LIBGCC2_CFLAGS): Define.
13731 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13732 (TARGET_LIBGCC2_CFLAGS): Same.
13733 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13735 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13738 * c-typeck.c (build_binary_op): Perform implicit casts of
13739 operands before shortening them.
13741 * cfgloopmanip.c (split_loop_bb): Remove.
13742 * cfgloop.h: Remove the prototype for split_loop_bb.
13744 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13745 * cfgloop.h: Remove the prototype for
13746 flow_loop_outside_edge_p.
13748 * emit-rtl.c (init_virtual_regs): Make it static.
13749 * function.h: Remove the prototype for init_virtual_regs.
13751 * recog.c (peephole2_optimize): Make it static.
13752 * recog.h: Remove the prototype for peephole2_optimize.
13754 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13756 * df-scan.c (df_record_entry_block_defs): Check if
13757 INCOMING_RETURN_ADDR_RTX is defined.
13759 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13760 Kenneth Zadeck <zadeck@naturalbridge.com>
13762 PR rtl-optimization/24762
13763 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13764 * targhooks.c (hook_void_bitmap): New hook prototype.
13765 * targhoohs.h (hook_void_bitmap): Ditto.
13766 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13767 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13768 * target.h (live_on_entry): New function pointer.
13769 * df-scan.c (df_all_hard_regs): Removed.
13770 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13771 (df_scan_free_internal): Added df->entry_block_defs.
13772 (df_scan_alloc): Ditto.
13773 (df_scan_dump): Ditto.
13774 (df_uses_record): Plumbed flag field properly thru calls.
13775 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13776 This part fixes PR24762.
13777 (df_bb_refs_record): Added code to make the frame and arg
13778 pointers live in EH blocks.
13779 (df_refs_record): Added call to df_record_entry_block_defs.
13780 (df_record_entry_block_defs): New function.
13781 * df-core.c: Added comments to describe new artifical defs.
13782 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13783 (entry_block_defs): New field in struct df.
13784 (df_all_hard_regs): Deleted.
13785 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13786 * df-problems.c (df_ru_bb_local_compute_process_def):
13787 Added code to handle artifical defs in the entry to a function.
13788 (df_ru_bb_local_compute): Ditto.
13789 (df_rd_bb_local_compute_process_def): Ditto.
13790 (df_rd_bb_local_compute): Ditto.
13791 (df_lr_bb_local_compute): Ditto.
13792 (df_ur_bb_local_compute): Ditto.
13793 (df_urec_bb_local_compute): Ditto.
13794 (df_chain_create_bb): Ditto.
13795 (df_ur_local_finalize): Removed entry.
13796 (df_urec_init): Ditto.
13797 (df_urec_local_finalize): Ditto.
13798 (df_ri_bb_compute): Added detection of last use of pseudos.
13799 * Makefile.in (df-scan.o): Updated dependencies.
13800 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13801 * config/mips/mips.c (mips_set_live_on_entry): Added.
13802 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13804 * dce.c (marked_insn_p): Added code to handle artifical defs.
13806 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13808 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13810 (_mm_cvtsi128_si64): Likewise.
13811 (_mm_cvtsd_si64): Likewise.
13812 (_mm_cvttsd_si64): Likewise.
13813 (_mm_cvtsi64_sd): Likewise.
13814 (_mm_cvtsi64_si128): Likewise.
13815 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13816 (_mm_cvtsi64_m64): Likewise.
13817 (_m_to_int64): Likewise.
13818 (_mm_cvtm64_si64): Likewise.
13819 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13820 (_mm_cvttss_si64): Likewise.
13821 (_mm_cvtsi64_ss): Likewise.
13822 (_mm_cvtss_f32): Likewise.
13824 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13826 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13827 for pragma redefine_extname.
13829 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13832 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13833 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13834 -mno-minimal-toc to previous content.
13835 (bispecs): Remove goal.
13836 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13837 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13838 compatibility aliases on powerpc-*-*gnu*.
13839 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13840 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13841 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13842 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13843 (ldblspecs): New goal.
13844 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13845 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13847 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13848 L_sf_to_tf or L_df_to_tf is defined.
13850 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13851 Alan Modra <amodra@bigpond.net.au>
13854 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13855 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13856 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13857 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13858 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13859 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13860 (rs6000_override_options): Initialize rs6000_ieeequad.
13861 Initialize TFmode format to ibm_extended_format if not
13863 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13865 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13866 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13867 (function_arg_advance): IBM long double passed in two FPRs, not
13869 (function_arg): IBM long double passed in FPRs.
13870 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13871 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13872 Only multireg GPR aligned.
13873 (rs6000_init_libfuncs): Enable IBM long double functions if not
13875 (rs6000_generate_compare): Use IBM long double compare if not
13877 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13878 (TARGET_IEEEQUAD): Define.
13879 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13880 not TARGET_IEEEQUAD.
13881 * config/rs6000/rs6000.md: Enable TFmode patterns if
13883 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13884 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13885 and -mlong-double-128 are incompatible.
13886 * doc/invoke.texi (-mabi): Collect options together. Add
13887 ibmlongdouble and ieeelongdouble.
13889 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13891 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13893 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13894 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13895 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13896 * rtl.h (rtunion_def): Remove rt_ptr.
13898 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13899 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13900 * config/i386/winnt.c (i386_pe_mark_dllexport)
13901 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13903 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13905 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13907 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13911 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13912 pthread_key_delete. From John David Anglin. gthrw-ify
13913 pthread_getunique_np only if it it's not a macro. Delete
13915 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13916 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13917 __gthread_objc_condition_signal, __gthread_key_delete): Add
13918 "__attribute__ ((__unused__))" to unused arguments.
13919 (__gthread_recursive_mutex_init_function): Add missing return.
13920 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13921 gthr-posix95.h: Use macro-based approach for name redirection
13922 on targets missing weakref.
13924 2006-01-26 Zack Weinberg <zackw@panix.com>
13926 * genconditions.c (write_header): In generated code, #ifdef out
13927 all includes and fake declarations, except includes of bconfig.h
13928 and system.h, unless GCC_VERSION >= 3001. Do not include
13929 gensupport.h in any case.
13930 (write_conditions): Generate a definition of struct c_test. Add
13931 a comment to the generated #endif.
13932 (write_one_condition): Escape backslashes in string too.
13933 (write_writer): Generated code must escape backslashes and quote
13934 marks (but not newlines) in the strings it writes.
13935 * Makefile.in (build/gencondmd.o): Update dependencies.
13937 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13940 * Makefile.in (insn-automata.o): Add header file dependencies.
13941 * genautomata.c: Add includes.
13943 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13946 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13948 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13950 * configure.ac: Expect target tools paths to be passed from the toplevel
13951 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13953 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13955 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13958 * c.opt (Wpointer-sign): Init to -1.
13959 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13960 OPT_pedantic, to 0 otherwise.
13961 * doc/invoke.texi: Update.
13963 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13965 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13966 constants provided by 80387 instructions in the destination mode.
13968 2006-01-26 Richard Guenther <rguenther@suse.de>
13969 Andrew Pinski <pinskia@physics.uc.edu>
13972 partial PR tree-opt/17064
13973 * tree-ssa-structalias.c (intra_create_variable_infos):
13974 Create heap variables for incoming parameters if
13975 flag_argument_noalias > 1.
13976 (find_what_p_points_to): Look through default defs of
13979 2006-01-26 Jeff Law <law@redhat.com>
13982 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13983 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13984 within the VR_RANGE, use the VR_RANGE as the result, not the
13986 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13987 bounds for the type.
13989 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13991 * tree-ssa-alias.c (maybe_create_global_var): Change
13992 subvar walking to an assertion that we don't have subvar'd variables.
13994 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13997 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13998 Use a new variable, inner. PARM_DECLs are always non-weak.
14000 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14002 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14003 --disable-checking.
14005 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14007 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14009 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14011 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14012 (smax_insn, smin_insn, smax_0, smin_0): New.
14014 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14017 * config/cris/cris.c (cris_order_for_addsi3): New function.
14018 * config/cris/cris-protos.h: Prototype it.
14019 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14020 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14021 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14022 (split for "op.S1 [rx=rx+i],ry (swapped)")
14023 (split for "op(s|u).S1 [rx=rx+i],ry")
14024 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14025 Apply cris_order_for_addsi3 when generating addsi3 insns.
14027 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14029 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14030 (TREE_BLOCK): Add call to EXPR_CHECK.
14032 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14035 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14036 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14037 (dump_omp_clauses): ... here.
14038 (dump_generic_node): Handle OMP_CLAUSE.
14039 * tree.c (omp_clause_num_ops): New.
14040 (omp_clause_code_name): New.
14041 (tree_code_size): Handle OMP_CLAUSE.
14042 (tree_size): Likewise.
14043 (make_node): Document handling of OMP_CLAUSE.
14044 (tree_node_structure): Handle OMP_CLAUSE.
14045 (omp_clause_check_failed): New.
14046 (omp_clause_range_check_failed): New.
14047 (omp_clause_operand_check_failed): New.
14048 (build_omp_clause): New.
14049 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14050 * tree.h (enum omp_clause_code): Declare.
14051 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14052 (OMP_CLAUSE_RANGE_CHECK): Define.
14053 (OMP_CLAUSE_ELT_CHECK): Define.
14054 (omp_clause_check_failed): Declare.
14055 (omp_clause_operand_check_failed): Declare.
14056 (omp_clause_range_check_failed): Declare.
14057 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14058 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14059 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14060 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14061 (OMP_CLAUSE_IF_EXPR): Likewise.
14062 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14063 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14064 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14065 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14066 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14067 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14068 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14069 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14070 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14071 (OMP_CLAUSE_CODE): Define.
14072 (OMP_CLAUSE_SET_CODE): Define.
14073 (OMP_CLAUSE_CODE): Define.
14074 (OMP_CLAUSE_OPERAND): Define.
14075 (struct tree_omp_clause): Declare.
14076 (union tree_node): Add field 'omp_clause'.
14077 * treestruct.def (TS_OMP_CLAUSE): Define.
14078 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14079 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14080 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14081 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14082 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14083 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14084 (OMP_CLAUSE): Define.
14085 * print-tree.c (print_node): Handle OMP_CLAUSE.
14086 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14087 * c-typeck.c: Likewise.
14088 * gimplify.c: Likewise.
14089 * c-omp.c: Likewise.
14090 * tree-nested.c: Likewise.
14091 * tree-inline.c: Likewise.
14092 * c-parser.c: Likewise.
14093 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14096 2006-01-25 Roger Sayle <roger@eyesopen.com>
14098 PR rtl-optimization/25703
14099 * combine.c (try_combine): Handle zero_extract and strict_low_part
14100 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14102 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14104 * global.c: Fix comment typos.
14106 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14109 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14110 Use output_addr_const instead of assemble_name.
14112 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14114 * Makefile.in (sched-vis.o): Update dependencies.
14115 * haifa-sched.c (sched_finish): Clear current_sched_info.
14116 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14117 (dump_flow_info): Call it.
14118 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14120 * basic-block.h (dump_bb_info): Declare.
14121 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14122 option, and apply options only for dump files whose TDF_RTL,
14123 TDF_TREE, or TDF_IPA bits match.
14124 * rtl.h: Declare new functions exported from sched-vis.c.
14125 * sched-vis.c: Enable also if scheduling is not used.
14126 (print_value): Print the mode of registers if not inside scheduling.
14127 (print_insn): Make it work outside the scheduler. Beautify the output
14129 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14131 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14133 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14134 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14135 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14136 depending on the value of CONSTANT_POOL_ADDRESS_P.
14137 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14139 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14140 rather than SYMBOL_REF_DECL.
14141 (rtx_constant_pool): Remove const_rtx_sym_htab.
14142 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14143 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14144 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14145 Remove handling of const_rtx_sym_htab.
14146 (find_pool_constant): Delete.
14147 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14148 rather than find_pool_constant.
14149 (get_pool_constant_for_function): Delete.
14150 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14151 find_pool_constant.
14152 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14153 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14154 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14155 (SYMBOL_REF_CONSTANT): New macro.
14156 (get_pool_constant_for_function): Delete.
14157 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14158 rather than SYMBOL_REF_DECL.
14159 (i386_pe_mark_dllimport): Likewise.
14160 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14161 rather than SYMBOL_REF_DECL.
14162 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14163 (machopic_indirect_call_target): Likewise.
14165 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14167 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14169 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14171 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14173 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14175 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14177 2006-01-24 David Daney <ddaney@avtrex.com>
14180 * configure.ac (enable_tls): New enable option.
14181 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14182 * configure: Regenerate.
14183 * doc/install.texi (--enable-tls): Document new option.
14184 (--disable-tls): Ditto.
14186 2006-01-24 Richard Henderson <rth@redehat.com>
14188 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14189 * alias.c (true_dependence): Respect it.
14190 (canon_true_dependence, write_dependence_p): Likewise.
14191 * builtins.c (get_builtin_sync_mem): Set it.
14193 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14195 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14198 2006-01-24 DJ Delorie <dj@redhat.com>
14200 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14201 for storing constants in single-bit bitfields.
14203 2006-01-25 Ben Elliston <bje@au.ibm.com>
14205 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14207 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14210 * tree-ssa-pre.c (phi_translate): Return NULL
14211 for AGGREGATE_TYPE's.
14213 2006-01-24 Zack Weinberg <zackw@panix.com>
14215 * genautomata.c (process_state_for_insn_equiv_partition):
14216 Use xcalloc for insn_arcs_array.
14217 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14218 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14220 2006-01-24 Richard Henderson <rth@redhat.com>
14222 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14223 update all callers.
14225 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14227 PR rtl-optimization/25890
14228 PR rtl-optimization/25905
14229 * combine.c (expand_compound_operation, expand_field_assignment):
14230 Fail if the bitfield's final position is out of bounds.
14232 2006-01-24 Ian Lance Taylor <ian@airs.com>
14234 PR middle-end/25930
14235 * cgraphunit.c (cgraph_output_in_order): Don't clear
14236 cgraph_asm_nodes until after asm strings have been output.
14238 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14240 * fix-header.c (read_scan_file): Add new parameter imultilib when
14241 calling register_include_chains.
14243 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14245 * omp-low.c: Update documentation.
14247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14248 Daniel Berlin <dberlin@dberlin.org>
14252 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14253 return from the function.
14255 2006-01-22 Zack Weinberg <zackw@panix.com>
14257 * rtl.def (match_code): Add second argument.
14258 * genpreds.c (write_extract_subexp): New function.
14259 (write_match_code): Add path argument. Use write_extract_subexp.
14260 (write_predicate_expr): Pass path to write_match_code.
14261 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14262 not perform a mode test.
14263 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14264 a subexpression does not constrain the top-level code set.
14265 * read-rtl.c (read_rtx_variadic): New function.
14266 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14267 * doc/md.texi: Document new notation.
14268 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14269 (cmpsi_operand): ... here, using new notation.
14271 2006-01-22 Zack Weinberg <zackw@panix.com>
14273 * varray.c: Remove GENERATOR_FILE #ifdefs.
14275 2006-01-22 Zack Weinberg <zackw@panix.com>
14277 * genautomata.c (output_reserved_units_table): Emit nothing if
14278 description->query_units_num is zero. Remove extra blank line.
14279 (output_cpu_unit_reservation_p): Short circuit
14280 if description->query_units_num is zero.
14282 2006-01-22 Zack Weinberg <zackw@panix.com>
14284 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14285 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14286 nor any of the random handful of variables that used to be necessary
14287 when this program was linked with rtlanal.o. Prune set of forward
14288 function declarations.
14289 (struct attr_desc): Remove static_p field.
14290 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14291 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14292 (attr_string): Do not read the character one past the length of
14294 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14295 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14296 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14297 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14298 (make_automaton_attrs): New.
14299 (main): Do not call into genautomata. Call local gen_bypass
14300 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14301 Remove special case for insn_alts.
14302 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14303 varray.h (leftover from previous change). Prune set of forward
14304 function declarations. Remove state_alts fields from all
14305 structures. Remove state_alts_table from struct automaton.
14306 Make everything except main static. Do not maintain num_dfa_decls.
14307 Do not maintain state_alts fields of various structures.
14308 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14309 (add_arc): Remove state_alts argument. All callers updated.
14310 (output_reserved_units_table): Emit #ifdef here...
14311 (output_tables): ...not here. Don't generate state_alts tables.
14312 (expand_automata): Don't generate attributes.
14313 (write_automata): Don't generate state_alts functions.
14314 (main): New function.
14315 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14316 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14317 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14318 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14319 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14320 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14321 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14322 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14324 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14325 * genattrtab.h: Delete file.
14326 * Makefile.in (OBJS-common): Add insn-automata.o.
14327 (insn-automata.o): New rule.
14328 (simple_generated_c): Add insn-automata.c.
14329 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14330 (genprogmd): Add automata.
14331 (build/genattrtab): Needs no extra objects nor libraries.
14332 (build/genautomata): Needs build/vec.o and -lm.
14334 2006-01-22 Zack Weinberg <zackw@panix.com>
14336 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14337 (output_dfa_max_issue_rate, locked_states_num): Delete.
14338 (struct automaton): Add locked_states field.
14339 (output_dead_lock_vect): Save number of locked states in
14340 automaton->locked_states. If it is zero, don't print anything.
14341 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14342 (output_internal_dead_lock_func): Only test the dead_lock_vect
14343 for automata that have locked states.
14344 (output_statistics): Always print the number of locked states for
14345 each automaton. Calculate total number of locked states here.
14346 (write_automata): Don't call output_dfa_max_issue_rate.
14347 * genattrtab.c: Define length_unit_log as a const variable.
14348 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14349 max_insn_queue_index const.
14350 * final.c (length_unit_log): Declare const.
14351 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14353 2006-01-22 Zack Weinberg <zackw@panix.com>
14355 * genautomata.c: Include vec.h, not varray.h.
14356 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14357 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14358 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14359 VEC_* macros operating on appropriately typed vectors, or to
14360 malloced arrays when the size is known in advance. Const-ify
14361 many char* variables and function arguments. No functional changes.
14362 * Makefile.in (build/varray.o): Delete rule.
14363 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14364 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14366 2006-01-22 Zack Weinberg <zackw@panix.com>
14368 * gensupport.c: Define get_insn_name and record_insn_name here.
14369 (read_md_rtx): Call record_insn_name as appropriate.
14370 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14371 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14372 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14374 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14375 (BUILD_VARRAY): Delete.
14376 (genprognormal): Rename genprogmd. Fold in all programs from
14377 genprognoprint; also attrtab.
14378 (build/genattrtab): Just mention genautomata.o and varray.o.
14379 Reorganize a bit, add comments to make the categories clearer.
14381 2006-01-22 Zack Weinberg <zackw@panix.com>
14383 * genconditions.c (condition_table, add_condition): Delete.
14384 (write_conditions): Don't emit n_insn_conditions nor
14385 insn_elision_unavailable. Issue the gcc version #ifdef here,
14386 inside the table, with no #else clause ...
14387 (write_header): ...not here.
14388 (write_writer): New function.
14389 (main): Don't initialize condition_table. Use add_c_test.
14391 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14392 files on the command line.
14393 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14394 Return -1 if there is no entry in the table, don't abort.
14395 (add_c_test, traverse_c_tests): New functions.
14396 * gensupport.h (insn_elision_unavailable, insn_conditions)
14397 (n_insn_conditions): Delete declarations.
14398 (add_c_test, traverse_c_tests): Declare.
14399 * read-rtl.c: Include gensupport.h.
14400 (read_conditions): New function.
14401 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14402 (read_rtx_1): If we get EOF when we were looking for an initial
14403 open paren, return 0. Call read_conditions when appropriate.
14404 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14405 dummy-conditions.o. Eliminate references to insn-conditions.o,
14406 or change them to build/gencondmd.o, as appropriate. Remove
14407 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14408 from $(simple_generated_c). For all files remaining in those
14409 two lists, add insn-conditions.md to the generator command line.
14410 Give insn-constants.h/s-constants their own rules. Add rules
14411 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14412 (build/read-rtl.o): Depend on gensupport.h.
14413 (genprognormal): Include preds.
14414 (genprogearly): Rename genprognoprint; only difference is now that
14415 they don't link with $(BUILD_PRINT).
14416 * dummy-conditions.c: Delete.
14418 2006-01-22 Zack Weinberg <zackw@panix.com>
14420 * genextract.c: Don't include insn-config.h. Do include vec.h.
14421 Declare vectors of int, char, and locstr.
14422 (locstr): New typedef.
14423 (struct extraction): Make all array fields into bare pointers.
14424 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14425 (insn_code_number): Delete.
14426 (accum_extract): New struct.
14427 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14428 (gen_insn): Take insn_code_number as an argument. Use an
14429 accum_extract structure instead of loading data directly into
14430 a struct extraction, and having to know how big it might get.
14431 (walk_rtx): Operate entirely on an accum_extract structure.
14432 (print_path): Avoid unnecessary use of printf.
14433 (print_header): New function, split out of main. Distinguish
14434 more carefully between an unrecognizable insn and an insn that
14435 has the code number of a define_expand.
14436 (main): Pass insn_code_number to gen_insn. Call print_header
14437 only after parsing. Avoid unnecessary use of printf.
14438 * Makefile.in (build/vec.o): New rule.
14439 (build/genextract): Depend on build/vec.o.
14440 (build/genextract.o): Don't depend on insn-config.h.
14442 2006-01-22 Zack Weinberg <zackw@panix.com>
14444 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14445 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14446 practical. Eliminate per-generator-program link rules.
14448 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14450 PR middle-end/24437
14451 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14452 with a call expr to ...
14453 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14455 2006-01-23 Richard Guenther <rguenther@suse.de>
14457 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14458 before make_edge with conditional EDGE_TRUE_VALUE.
14460 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14461 Jan Hubicka <jh@suse.cz>
14462 Richard Guenther <rguenther@suse.de>
14464 PR rtl-optimization/25654
14465 * cfgexpand.c (aggregate_contains_union_type): New function.
14466 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14467 for structure variables that contain a union type.
14469 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14471 * gengtype.c (new_structure): Return the structure.
14472 (create_option): Add an extra "next" argument.
14473 (create_field): New function.
14474 (adjust_field_rtx_def): Use create_option and create_field.
14475 Remove a now-unnecessary call to find_structure.
14476 (adjust_field_tree_def): Likewise.
14477 (note_yacc_type): Remove an unnecessary call to find_structure.
14478 * gengtype.h (new_structure): Return the structure.
14479 (create_option): Add an extra argument.
14480 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14481 (option): Adjust calls to create_option.
14483 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14485 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14487 2006-01-22 Paul Brook <paul@codesourcery.com>
14488 Peter Barada <peter@the-baradas.com>
14490 * config/m68k/m68k.md: Add Coldfire FPU support.
14491 Define FP mode macro and associated attributes.
14492 Use it for float mode patterns.
14493 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14494 (LIBCALL_VALUE): Use m68k_libcall_value.
14495 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14496 (m68k_function_value): Ditto.
14497 (emit_move_sequence): Ditto.
14498 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14499 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14500 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14501 (MULTILIB_EXCEPTIONS): Ditto.
14502 * config/m68k/m68k.opt: Add mcfv4e.
14503 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14504 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14505 (m68k_output_function_prologue): Save ColdFire FPU registers.
14506 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14507 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14508 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14509 ColdFire FPU registers.
14510 (m68k_libcall_value, m68k_function_value): New functions.
14511 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14512 (LIBCALL_VALUE): Use m68k_libcall_value.
14513 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14514 (MASK_COLDFIRE): Add MASK_CFV4E.
14515 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14516 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14517 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14518 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14519 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14520 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14521 * doc/invoke.tex: Document -mcfv4e on m68k.
14523 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14525 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14528 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14531 * c-opts.c (c_common_handle_option): Don't include
14532 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14533 * doc/invoke.texi (C++ Dialect Options): Document that
14534 -Wnon-virtual-dtor is no longer included in -Wall.
14536 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14538 * gcov.c (print_version), gcov-dump.c (print_version),
14539 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14542 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14544 * df-scan.c (problem_SCAN): Added NULL reset function.
14545 (df_scan_reset_blocks): Added code to call reset block function
14546 (df_bb_refs_delete) Fixed comment.
14547 (df_insn_refs_delete): Made tolerant of deleting non existent info
14548 for dataflow problems that need to be reset.
14549 * df-core.c (df_set_blocks): Ditto.
14550 * df.h (struct df_problem): Added reset_fun.
14551 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14552 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14553 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14554 functions to clear out all references to def-use or use-def chains.
14556 2006-01-21 Ben Elliston <bje@au.ibm.com>
14558 * varasm.c (assemble_real): Initialise data array.
14560 2006-01-20 Paul Brook <paul@codesourcery.com>
14562 Merge from csl-arm-branch.
14563 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14564 * config/arm/arm.md (movdi): Force operands[1] to a register
14565 if we have a non-register source.
14566 (*arm_movdi, *movdf_soft_insn): Require that one of the
14567 operands be a register.
14568 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14569 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14571 2006-01-20 DJ Delorie <dj@redhat.com>
14573 * varasm.c (initializer_constant_valid_p): Allow pointers
14574 initialized from integer constants of lesser precision.
14575 (output_constant): Allow non-int-sized pointer modes to be
14576 initialized from integer constants.
14578 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14581 * cppdefault.h (struct default_include): Add multilib flag.
14582 * cppdefault.c (cpp_include_defaults): Set it.
14583 * c.opt (-imultilib): New option.
14584 * c-opts.c (imultilib): New.
14585 (c_common_handle_option): Handle -imultilib.
14586 (c_common_post_options): Likewise.
14587 * c-incpath.c (add_standard_paths, register_include_chains):
14589 * c-incpath.h (register_include_chains): Add extra parameter.
14590 * gcc.c (do_spec_1): Generate -imultilib option.
14591 (The Specs Language): Update %I description.
14592 (process_command): Update copyright notice.
14593 * doc/cppopts.texi (-imultilib): Document.
14594 * doc/invoke.texi (-imultilib): Include in option summary.
14595 (%I): Update specs documentation.
14597 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14599 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14601 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14603 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14606 2006-01-20 Richard Guenther <rguenther@suse.de>
14607 Steven Bosscher <stevenb.gcc@gmail.com>
14609 PR rtl-optimization/24626
14610 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14611 EDGE_TRUE_VALUE if in RTL mode.
14614 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14615 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14617 2006-01-20 Dirk Mueller <dmueller@suse.com>
14620 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14621 instead of a special NOP marker.
14622 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14623 NOP marker handling.
14624 * c-common.h (empty_body_warning): Add forward declaration.
14625 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14626 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14628 2006-01-20 Paul Brook <paul@codesourcery.com>
14630 * Makefile.in (lang_checks): Keep going if mkdir fails.
14632 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14634 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14635 be able to clean out basic block when not necessary.
14636 (df_scan_free): Fixed to properly delete information if df is
14637 unused before calling df_finish.
14638 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14639 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14641 (df_bb_refs_delete): New function.
14642 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14643 * df-core.c (df_set_blocks): Added code to properly clean out
14644 unused blocks if they are not part of the blocks to consider.
14645 Added additional null check.
14646 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14647 be able to clean out basic block when not necessary
14648 * df.h (df_free_bb_function): Ditto.
14649 (df_bb_refs_delete): New function.
14650 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14651 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14652 basic block parameter to be able to clean out basic block when not
14654 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14655 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14656 Fixed to properly delete information if df is unused before
14659 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14661 PR rtl-optimization/25799
14662 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14663 Corrected confluence operator to remove bits from op2 before oring
14664 with op1 rather than removing bits from op1.
14665 (df_ru_transfer_function): Corrected test on wrong bitmap which
14666 caused infinite loop. Both of these problems were introduced in
14667 the dataflow rewrite.
14669 2006-01-19 DJ Delorie <dj@redhat.com>
14671 * reload1.c (find_reload_regs): Note the details of reload
14672 failures in the dump file.
14673 (spill_failure): Likewise.
14675 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14677 * loop-iv.c: Include df.h and hashtab.h.
14678 (enum iv_grd_result): New enum.
14679 (DF_REF_IV, DF_REF_IV_SET): New macros.
14680 (struct biv_entry): New.
14681 (df, bivs): New global variables.
14682 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14683 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14685 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14686 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14687 analyzed_for_bivness_p, record_biv): New functions.
14688 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14689 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14690 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14692 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14694 (iv_number_of_iterations): Use new interface to iv analysis.
14695 * loop-unroll.c: Do not include varray.h.
14696 (analyze_iv_to_split_insn): Use new interface to iv
14698 * loop-unswitch.c (may_unswitch_on): Ditto.
14699 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14701 (df_bb_modify): Realloc tables to the new index.
14702 (df_find_use): New function.
14703 * df.h (df_find_use): Declare.
14704 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14706 * cfgloop.h (struct rtx_iv): Remove analysed field.
14707 (iv_get_reaching_def): Removed.
14708 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14709 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14710 (loop-iv.o): Add df.h and hashtab.h dependency.
14711 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14713 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14716 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14718 (__floatundisf, __floatundidf): Likewise.
14719 * libgcc2.h (IS_IBM_EXTENDED): Define.
14721 2006-01-19 DJ Delorie <dj@redhat.com>
14723 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14725 2006-01-19 Paul Brook <paul@codesourcery.com>
14727 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14728 as nothrow when unwinding tables are disabled.
14730 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14733 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14734 of bit-field" when in system header.
14736 2006-01-19 DJ Delorie <dj@redhat.com>
14738 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14739 the 16 bit shift limit of the m16c.
14741 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14744 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14745 * config/i386/i386.c (output_set_got): Output the label if we have one
14746 for the TARGET_DEEP_BRANCH_PREDICTION case.
14748 2006-01-19 Jan Hubicka <jh@suse.cz>
14749 H.J. Lu <hongjiu.lu@intel.com>
14750 Evandro Menezes <evandro.menezes@amd.com>
14752 * invoke.texi (generic): Document
14754 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14755 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14756 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14757 (x86_use_incdec, x86_pad_returns): New variables
14758 (TARGET_CPU_DEFAULT_generic): New constant
14759 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14760 (enum processor_type): Add generic32 and generic64.
14761 * i386.md (cpu attribute): Add generic32/generic64
14762 (movhi splitter): Behave sanely when both partial_reg_dependency and
14763 partial_reg_stall are set.
14764 (K8 splitters): Enable for generic as well.
14765 * predicates.md (incdec_operand): Use TARGET_INCDEC
14766 (aligned_operand): Avoid memory mismatch stalls.
14767 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14768 * ppro.md: Enable for generic32
14769 * i386.c (generic64_cost, generic32_cost): New.
14770 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14771 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14772 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14773 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14774 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14775 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14776 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14777 x86_accumulate_outgoing_args, x86_prologue_using_move,
14778 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14779 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14780 Enable for generic.
14781 (x86_use_incdec, x86_pad_returns): New.
14782 (override_options): Add generic32 and generic64, translate "generic"
14783 to generic32/generic64 and "i686" to "generic32", refuse
14784 "generic32"/"generic64" as arch target.
14785 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14786 (ix86_reorg): Honor PAD_RETURNS.
14788 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14790 * tree-pretty-print.c (dump_generic_node): Handle
14791 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14792 * cgraph.c (cgraph_expand_queue): Rename from
14793 cgraph_analyze_queue. Update all users.
14794 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14795 cgraph_expand_queue.
14796 (cgraph_expand_all_functions): Likewise.
14797 (cgraph_finalize_pending_functions): Remove. Update callers.
14799 * tree.h (OMP_DIRECTIVE_P): Define.
14800 (OMP_PARALLEL_FN): Define.
14801 (OMP_PARALLEL_DATA_ARG): Define.
14802 (OMP_SECTIONS_SECTIONS): Define.
14803 * tree-pass.h (pass_expand_omp): Declare.
14804 * omp-low.c (struct omp_region): Declare.
14805 (struct omp_context): Remove fields 'parallel_type',
14806 'parallel_start_ix' and 'parallel_start_additional_args'.
14808 (struct omp_for_data): Rename from struct expand_omp_for_data.
14809 (omp_regions): New static variable.
14810 (root_omp_region): New static variable.
14811 (find_omp_clause): Make static.
14812 (is_in_combined_parallel_ctx): Remove.
14813 (is_combined_parallel): New.
14814 (extract_omp_for_data): Move earlier in the file.
14815 (workshare_safe_to_combine_p): New.
14816 (get_ws_args_for): New.
14817 (determine_parallel_type): Move earlier in the file.
14818 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14820 (omp_copy_decl): Likewise.
14821 (create_omp_child_function): Likewise.
14822 (lookup_omp_region): New.
14823 (dump_omp_region): New.
14824 (debug_omp_region): New.
14825 (debug_all_omp_regions): New.
14826 (new_omp_region): New.
14827 (scan_omp_parallel): If parallel_nesting_level > 1, the
14828 directive is nested within another parallel directive.
14829 Set OMP_PARALLEL_FN.
14830 (scan_omp_for): Do not try to handle combined parallel+for
14832 Remove FIXME comment.
14833 (scan_omp_nested): Remove.
14834 (scan_omp_1): Do not call scan_omp_nested when
14835 parallel_nesting_level is > 1.
14836 Do not change the DECL_CONTEXT of local variables found.
14837 (lookup_decl_in_outer_ctx): New.
14838 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14839 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14840 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14841 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14842 If CTX is nested, lookup VAR in the outer context when
14843 building copy assignment.
14844 (lower_send_clauses): Rename from expand_send_clauses.
14845 If CTX is nested, lookup VAR in the outer context when
14846 building copy assignments.
14847 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14848 If CTX is nested, lookup VAR in the outer context when
14849 building copy assignments.
14850 (expand_parallel_call): Rename from build_parallel_call.
14851 Handle combined parallel+workshare cases.
14852 Re-implement to emit code into the CFG.
14854 (expand_omp_parallel): Re-implement to emit code into the CFG.
14855 Call move_sese_region_to_fn to outline the sub-graph
14856 containing the parallel region.
14857 (expand_omp_for_1): Remove.
14858 (expand_omp_for_generic): Re-implement to emit code into the
14860 (expand_omp_for_static_nochunk): Likewise.
14861 (expand_omp_for_static_chunk): Likewise.
14862 (expand_omp_for): Likewise.
14863 (expand_omp_sections): Likewise.
14864 (remove_exit_barriers): New.
14865 (expand_omp_synch): New.
14867 (build_omp_regions_1): New.
14868 (build_omp_regions): New.
14869 (execute_expand_omp): New.
14870 (gate_expand_omp): New.
14871 (pass_expand_omp): Define.
14872 (lower_omp_sections): Rename from expand_omp_sections.
14873 Set OMP_SECTIONS_SECTIONS.
14874 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14875 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14876 (lower_omp_single): Rename from expand_omp_simple.
14877 (lower_omp_master): Rename from expand_omp_master.
14878 (lower_omp_ordered): Rename from expand_omp_ordered.
14879 (lower_omp_critical): Rename from expand_omp_critical.
14880 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14881 (lower_omp_for): Re-implement.
14882 (lower_omp_parallel): Re-implement.
14883 (lower_regimplify): Rename from expand_regimplify.
14884 (lower_omp_1): Rename from expand_omp_1.
14885 If there are syntax errors in the program, replace every
14886 OpenMP directive with NOP.
14887 Call lower_omp_* instead of expand_omp_*.
14888 (lower_omp): Rename from expand_omp.
14890 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14891 * tree-gimple.h (enum omp_parallel_type): Remove.
14892 (gimple_boolify): Declare extern.
14893 (find_omp_clause, determine_parallel_type): Remove.
14895 * gimple-low.c (lower_omp_directive): New.
14896 (lower_stmt): Call it.
14897 (record_vars_into): Move from ...
14898 (record_vars): ... here.
14899 Call record_vars_into with current_function_decl.
14901 * gimplify.c (struct gimplify_ctx): Remove fields
14902 combined_pre_p and combined_ctxp. Update users.
14903 (get_formal_tmp_var): Add documentation.
14904 (gimple_boolify): Make extern.
14905 (gimplify_expr_in_ctx): Remove. Update callers.
14906 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14907 will always be a BIND_EXPR.
14908 (gimplify_expr): Handle OMP_RETURN_EXPR.
14909 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14910 (OMP_PARALLEL): Add 3 operands.
14911 (OMP_SECTIONS): Add 1 operand.
14912 (OMP_RETURN_EXPR): Define.
14914 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14915 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14916 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14917 creating a circular free list.
14918 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14920 * tree-flow.h (move_sese_region_to_fn): Declare.
14921 (record_vars_into): Declare.
14922 * tree-cfg.c (make_omp_sections_edges): New.
14923 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14924 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14925 OMP_SECTIONS and OMP_SECTION.
14926 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14927 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14928 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14929 (gather_blocks_in_sese_region): New.
14930 (struct move_stmt_d): Declare.
14931 (move_stmt_r): New.
14932 (move_block_to_fn): New.
14933 (move_sese_region_to_fn): New.
14935 * passes.c (init_optimization_passes): Schedule
14936 pass_expand_omp after pass_init_datastructures.
14938 * tree-ssa-operands.c (get_expr_operands): Handle
14939 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14940 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14942 2006-01-19 Jeff Law <law@redhat.com>
14944 * tree-vrp.c (extract_range_from_assert): Refine the result range
14945 if the variable referenced by the ASSERT_EXPR has a range and
14946 either the tentative result range or the previous range is a
14949 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14951 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14953 2006-01-19 Jan Hubicka <jh@suse.cz>
14955 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14957 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14959 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14960 (expand_compound_operation, expand_field_assignment): Fail if the
14961 bit lengths of an extract operation are out of range.
14962 (make_extraction): Compute wanted_inner_mode based on the position
14963 and length of the extraction. Make it extraction_mode for non-constant
14964 positions, and do not modify offset in that case. When generating a
14965 new MEM, use a mode that can hold the extraction while keeping correct
14966 alignment. Remove code that supported MEMs wrapped by USEs.
14967 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14969 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14971 * config/s390/s390.md ("Y", "y"): New mode attribute.
14972 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14973 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14974 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14975 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14976 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14977 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14978 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14979 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14980 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14981 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14982 "addsi3", "subsi3"): Insn patterns removed.
14983 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14984 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14985 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14986 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14987 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14988 "*sub<mode>3_cconly2"): New insn patterns.
14989 ("addsi3", "subsi3"): New expanders.
14991 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14993 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14994 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14995 existing STMT_VINFO_VECTYPE if available.
14996 (vect_mark_relevant): Add special handling for stmts that are
14997 marked as STMT_VINFO_IN_PATTERN_P.
14998 (vect_analyze_loop): Call vect_pattern_recog.
14999 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15000 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15002 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15003 (vect_recog_func_ptr): New function-pointer type.
15004 * tree-vect-patterns.c: New file.
15005 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15006 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15007 (vect_pattern_recog_1): New functions.
15008 (vect_pattern_recog_funcs): New array of function pointers.
15010 * tree-vectorizer.h (ternary_op): New enum value.
15011 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15012 declaration. Revised documentation. Removed redundant dump prints.
15013 Removed redundant argument. Added support for reduction patterns.
15014 (vectorizable_reduction): Added support for reduction patterns.
15015 (vect_transform_stmt): Added support for patterns.
15017 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15018 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15019 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15020 (expand_widen_pattern_expr): New function.
15021 (init_optabs): Initialize new optabs udot_prod_optab,
15023 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15024 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15025 (expand_widen_pattern_expr): New function declaration.
15026 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15028 * tree-inline.c (estimate_num_insns_1): Added cases for new
15029 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15030 * tree-pretty-print.c (dump_generic_node): Likewise.
15031 (op_prio): Likewise.
15032 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15033 * tree-ssa-operands.c (get_expr_operands): Added case for
15035 * tree-vect-patterns.c (widened_name_p): New function.
15036 (vect_recog_dot_prod_pattern): Added function implementation.
15037 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15038 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15039 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15040 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15042 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15043 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15044 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15045 (init_optabs): Initialize new optabs widen_ssum_optab,
15047 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15048 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15049 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15050 use instead of type of def.
15051 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15052 function implementation.
15053 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15054 widen_ssumv8hi): New.
15056 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15059 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15062 * c-decl.c (add_flexible_array_elts_to_size): New function.
15063 (finish_decl): Use it.
15065 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15067 * diagnostic.h: Include options.h.
15068 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15069 dependancies for diagnostic.h.
15070 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15072 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15074 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15075 (ssa_ro_call_cache_valid): Ditto.
15076 * tree-ssa-alias.c (sort_tags_by_id): New function.
15077 (init_transitive_clobber_worklist): Ditto.
15078 (add_to_worklist): Ditto.
15079 (mark_aliases_call_clobbered): Ditto.
15080 (compute_tag_properties): Ditto.
15081 (set_initial_properties): Ditto.
15082 (compute_call_clobbered): Ditto.
15083 (compute_may_aliases): Call compute_call_clobbered and grouping.
15084 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15085 (compute_flow_insensitive_aliasing): Grouping now happens in our
15087 (setup_pointers_and_addressables): Remove clobbering related code.
15088 (add_may_alias): Ditto.
15089 (replace_may_alias): Ditto.
15090 (get_nmt_for): Ditto.
15091 (create_global_var):
15092 (is_escape_site): Return an escape_type enumeration.
15093 * tree-flow-inline.h (is_call_clobbered): Global var does not
15094 imply call clobbered.
15095 (mark_call_clobbered): Take a reason for marking this. Remove
15096 marking of globalness, and cache invalidation.
15097 (clear_call_clobbered): Remove cache invalidation code.
15098 * tree-dfa.c (dump_variable): If details is on, dump the reason
15100 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15102 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15103 (struct var_ann_d): Ditto.
15104 (enum escape_type): New.
15105 (mark_call_clobbered): Adjust prototype.
15106 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15107 are never call clobbered.
15108 Record reasons for escaping.
15109 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15110 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15111 (ssa_ro_call_cache_valid): Ditto.
15112 (clobbered_v_may_defs): Ditto.
15113 (clobbered_vuses): Ditto.
15114 (ro_call_vuses): Ditto.
15115 (clobber_stats): New.
15116 (init_ssa_operands): Zero out clobber stats.
15117 (fini_ssa_operands): Print out clobber stats.
15118 (get_call_expr_operands): Pass callee fndecl to
15119 add_call_read_ops).
15120 (add_call_clobber_ops): Remove use of cache.
15121 Add use of PURE_CONST information.
15122 (add_call_read_ops): Remove use of cache.
15123 Add use of static not_read information.
15125 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15127 Introduce TLS descriptors for i386 and x86_64.
15128 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15129 (TARGET_ANY_GNU_TLS): New macro.
15130 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15131 (struct machine_function): Add tls_descriptor_call_expanded_p.
15132 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15133 (ix86_current_function_calls_tls_descriptor): Likewise.
15134 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15135 (override_options): Introduce gnu2 tls dialect.
15136 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15138 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15140 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15141 (ix86_init_machine_status): Initialize new field.
15142 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15143 (ix86_tls_module_base): New.
15144 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15145 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15146 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15147 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15148 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15149 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15150 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15151 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15152 * config/i386/predicates.md (tls_modbase_operand): New.
15153 (tp_or_register_operand): New.
15155 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15157 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15158 (look_for_address_of): Ditto.
15159 (ipa_init): Walk the function decls.
15160 (static_execute): Don't set readonly on FUNCTION_DECL's.
15162 2006-01-18 Roger Sayle <roger@eyesopen.com>
15164 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15165 for shifts where the source and destination registers are different.
15167 2006-01-18 Paul Brook <paul@codesourcery.com>
15169 Merge from csl-arm-branch.
15170 2005-03-14 Julian Brown <julian@codesourcery.com>
15171 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15172 (aeabi_llsl): Likewise.
15173 (ashrdi3): Likewise.
15174 (aeabi_lasr): Likewise.
15175 (lshrdi3): Likewise.
15176 (aeabi_llsr): Likewise.
15177 2005-03-10 Julian Brown <julian@codesourcery.com>
15178 * config.gcc: Disable shared libgcc for SymbianOS.
15179 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15181 2006-01-18 DJ Delorie <dj@redhat.com>
15183 * c-pragma.c (handle_pragma_diagnostic): New.
15184 (init_pragma): Register it.
15185 * doc/extend.texi: Document it.
15187 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15188 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15189 (diagnostic_context): Add classify_diagnostic[].
15190 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15191 as errors if they're overridden to DK_WARNING.
15192 (diagnostic_initialize): Initialize classify_diagnostic[].
15193 (diagnostic_set_kind_override): New.
15194 (diagnostic_report_diagnostic): Check for kind changes.
15195 * opts.c (common_handle_option): Take lang_mask. Update callers.
15196 Handle OPT_Werror_.
15197 * common.opt (Werror=): New.
15198 * doc/invoke.texi: Document -Werror=*
15200 2006-01-18 Jeff Law <law@redhat.com>
15202 * tree-vrp.c (test_for_singularity): Correct test for new
15203 min limit. Use operand_equal_p rather than pointer equality
15204 for testing if new min/max values are equal.
15206 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15207 using range information until after propagation and folding.
15209 2006-01-18 Richard Henderson <rth@redhat.com>
15210 Aldy Hernandez <aldyh@redhat.com>
15211 Jakub Jelinek <jakub@redhat.com>
15212 Diego Novillo <dnovillo@redhat.com>
15214 * omp-low.c: New file.
15215 * c-omp.c: New file.
15217 2006-01-18 Richard Henderson <rth@redhat.com>
15218 Jakub Jelinek <jakub@redhat.com>
15219 Diego Novillo <dnovillo@redhat.com>
15221 * doc/invoke.texi: Document -fopenmp.
15222 * tree-dump.h (debug_function): Declare.
15223 * hooks.c (hook_bool_tree_bool_false): New function.
15224 (hook_tree_tree_null): Remove.
15225 (hook_tree_tree_tree_null): New.
15226 * hooks.h: Update to match.
15227 * tree-pretty-print.c (debug_tree_chain): New.
15228 (print_generic_expr): Handle TDF_CHAIN.
15229 (dump_generic_node): Handle BLOCK.
15230 Do not abort with incomplete SWITCH_EXPRs.
15231 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15232 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15233 print space after directive name.
15234 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15235 Handle OMP_MASTER and OMP_ORDERED.
15236 Handle printing of OMP_BODY just in one place, goto
15237 dump_omp_body in the rest of OMP_* nodes that have
15239 Don't handle clause nodes here. Update omp statements to
15240 use dump_omp_clauses.
15241 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15242 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15243 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15244 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15245 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15246 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15247 Adjust output for GOMP_PARALLEL.
15248 (dump_omp_clauses): New.
15249 (print_declaration): Dump DECL_VALUE_EXPR.
15250 (op_symbol_1): Split out of op_symbol.
15251 (dumping_stmts): Remove. Update all users.
15252 * cgraph.c (cgraph_analyze_queue): New.
15253 (cgraph_add_new_function): New.
15254 * cgraph.h (cgraph_analyze_queue): Declare.
15255 (cgraph_add_new_function): Declare.
15256 (cgraph_lower_function): Remove.
15257 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15258 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15259 and TYPE_P nodes in its default clause.
15260 (empty_body_p): New.
15261 (tree_range_check_failed): New.
15262 (build5_stat): New.
15263 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15264 OMP_CLAUSE_REDUCTION_MERGE,
15265 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15266 OMP_CLAUSE_PRIVATE_DEBUG,
15267 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15268 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15269 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15270 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15271 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15272 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15273 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15274 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15275 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15276 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15277 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15278 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15279 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15280 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15281 (TREE_RANGE_CHECK): New.
15282 (empty_body_p): Declare.
15283 (enum omp_clause_default_kind): New.
15284 (build_string_literal): Declare.
15285 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15286 (build5_stat, build5): Declare.
15287 * tree-pass.h (TDF_CHAIN): Define.
15288 * tree-pass.h (PROP_gimple_lomp): Define.
15289 (pass_lower_omp): Declare.
15290 * diagnostic.h (debug_tree_chain): Declare.
15291 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15293 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15294 * builtins.c (build_string_literal): Make extern.
15295 * gcc.c (include_spec_function): New.
15296 (static_spec_functions): Add it.
15297 (main): Move load of libgomp.spec ...
15298 (LINK_COMMAND_SPEC): ... here.
15299 (link_gomp_spec): New.
15300 (static_specs): Include it.
15301 (LINK_COMMAND_SPEC): Add link_gomp.
15302 (GOMP_SELF_SPECS): New.
15303 (driver_self_specs): Include it.
15304 (switch_matches): Don't mark inline.
15305 (main): Load libgomp.spec.
15306 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15307 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15308 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15309 * tree-gimple.h (enum omp_parallel): Declare.
15310 (determine_parallel_type): Declare.
15311 (omp_firstprivatize_variable): Declare.
15312 (omp_reduction_init): Declare.
15313 (diagnose_omp_structured_block_errors): Declare.
15314 (struct walk_stmt_info): Add want_return_expr.
15315 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15316 (find_omp_clause): Declare.
15317 (insert_field_into_struct): Declare.
15318 (struct walk_stmt_info): Move from tree-nested.c
15319 (walk_stmts): Declare.
15320 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15322 * cgraphunit.c (cgraph_lower_function): Make static.
15323 (cgraph_finalize_pending_functions): New.
15324 (cgraph_finalize_function): Call it.
15325 (cgraph_finalize_compilation_unit): Likewise.
15326 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15327 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15328 (BT_FN_UINT_UINT): New.
15329 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15330 DEF_FUNCTION_TYPE_VAR_4): Document.
15331 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15332 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15333 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15334 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15335 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15336 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15337 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15338 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15339 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15340 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15341 into separate files.
15342 (DEF_GOMP_BUILTIN): New.
15343 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15344 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15345 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15346 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15347 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15348 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15349 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15350 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15351 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15352 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15353 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15354 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15355 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15356 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15357 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15358 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15359 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15360 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15361 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15362 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15363 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15364 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15365 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15366 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15367 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15368 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15369 * sync-builtins.def: New file, moved from builtins.def.
15370 * omp-builtins.def: New file, moved from builtins.def.
15371 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15372 * gimple-low.c (lower_function_body): Clear data.
15373 (lower_stmt): Do not handle COMPOUND_EXPR.
15374 Remove call to print_node_brief.
15375 * c-tree.h (c_finish_omp_clauses): New prototype.
15376 (C_DECL_THREADPRIVATE_P): Define.
15377 (lookup_name_no_remap, c_omp_remap_private): Remove
15378 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15379 (check_for_loop_decls): Update decl.
15380 (lookup_name_no_remap, c_omp_remap_private): Declare.
15381 (build_indirect_ref, build_modify_expr, pushdecl,
15382 pushdecl_top_level): Move to c-common.h.
15383 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15384 before the switch, but just in the 2 places that need it.
15385 * c-decl.c (diagnose_mismatched_decls): Do not check for
15386 mismatched thread-local attributes when OLDDECL is marked
15387 threadprivate and NEWDECL has no thread-local attributes.
15388 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15389 (c_gimple_diagnostics_recursively): Rename from
15390 c_warn_unused_result_recursively. Invoke
15391 diagnose_omp_structured_block_errors.
15392 (check_for_loop_decls): Return a singular decl found.
15393 * langhooks.c (lhd_omp_predetermined_sharing): Return
15394 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15395 (lhd_omp_firstprivatize_type_sizes): New.
15396 (lhd_omp_assignment): New.
15397 (lhd_omp_predetermined_sharing): New.
15398 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15399 (struct lang_hooks_for_types): Add
15400 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15401 omp_predetermined_sharing, omp_disregard_value_expr,
15402 omp_private_debug_clause, omp_clause_default_ctor,
15403 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15404 (c_finish_omp_clauses): New.
15405 (c_finish_bc_stmt): Diagnose break within omp for.
15406 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15407 (build_unary_op): Return error_mark after reporting
15409 (build_modify_expr): Likewise.
15410 * gimplify.c: Include optabs.h and pointer-set.h.
15411 (enum gimplify_omp_var_data): Declare.
15412 (struct gimplify_omp_ctx): Declare.
15413 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15415 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15416 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15417 (splay_tree_compare_decl_uid): New.
15418 (new_omp_context): New.
15419 (delete_omp_context): New.
15420 (gimple_add_tmp_var): Call omp_add_variable.
15421 (gimplify_bind_expr): Likewise.
15422 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15423 true, disregard DECL_VALUE_EXPR on the decl if any.
15424 (gimplify_expr_in_ctx): New.
15425 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15426 omp_add_variable, omp_notice_variable, omp_is_private
15427 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15428 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15429 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15430 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15431 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15432 gimplify_omp_atomic): New.
15433 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15434 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15435 OMP_CRITICAL and OMP_ATOMIC.
15436 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15437 * c-pragma.h (enum pragma_kind): Add
15438 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15439 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15440 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15441 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15442 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15443 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15444 PRAGMA_OMP_THREADPRIVATE.
15445 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15446 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15447 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15448 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15449 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15450 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15451 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15452 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15453 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15454 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15455 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15456 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15457 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15459 (struct nesting_info): Add field_map,
15460 suppress_expansion, debug_var_chain.
15461 (create_nesting_tree): Initialize them.
15462 (lookup_field_for_decl): Use field_map.
15463 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15464 (convert_local_omp_clauses): New.
15465 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15466 (walk_body): Split out of walk_function.
15467 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15468 (convert_nonlocal_reference): Handle omp statements.
15469 (convert_local_reference): Likewise.
15470 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15471 (unnest_nesting_tree): New.
15472 (lower_nested_functions): Call it.
15473 (insert_field_into_struct): Make extern.
15474 (struct walk_stmt_info): Move to tree-gimple.h.
15475 (walk_stmts): Make extern.
15476 * omp-builtins.def: New file.
15477 * tree-iterator.c (expr_only): Clarify comment.
15478 * c-common.h (pushdecl_top_level, pushdecl,
15479 build_modify_expr, build_indirect_ref,
15480 c_finish_omp_master, c_finish_omp_critical,
15481 c_finish_omp_ordered, c_finish_omp_barrier,
15482 c_finish_omp_atomic, c_finish_omp_flush,
15483 c_finish_omp_for, c_split_parallel_clauses,
15484 omp_clause_default_kind, c_omp_sharing_predetermined,
15485 c_omp_remap_decl): Declare.
15486 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15487 (OBJS-common): Add omp-low.o.
15488 (c-omp.o, omp-low.o): Add.
15489 (gimplify.o): Add dependency on $(OPTABS_H).
15490 (GTFILES): Add omp-low.c.
15491 (gt-stringpool.h): Add.
15492 * tree-cfg.c (set_bb_for_stmt): Do not update the
15493 block-to-labels map if we are currently expanding to RTL.
15494 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15496 Handle IDENTIFIER_NODE.
15497 (tree_verify_flow_info): Do not ICE when emitting error
15498 messages about invalid labels.
15499 (dump_function_to_file): Reset CFUN before emitting the body
15501 (debug_function): New.
15502 * passes.c (init_optimization_passes): Schedule
15504 * langhooks-def.h (lhd_omp_predetermined_sharing,
15505 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15507 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15508 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15509 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15510 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15511 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15512 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15513 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15514 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15515 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15516 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15517 (LANG_HOOK_DECLS): Use them.
15519 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15520 Richard Henderson <rth@redhat.com>
15521 Jakub Jelinek <jakub@redhat.com>
15522 Diego Novillo <dnovillo@redhat.com>
15524 * c-parser.c (pragma_omp_clause): Define.
15525 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15526 (c_parser_compound_statement): Likewise.
15527 (c_parser_statement): Likewise.
15528 (c_parser_pragma): Handle omp pragmas.
15529 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15530 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15531 (c_parser_omp_clause_name, check_no_duplicate_clause,
15532 c_parser_omp_variable_list,
15533 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15534 c_parser_omp_clause_copyprivate,
15535 c_parser_omp_clause_default,
15536 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15537 c_parser_omp_clause_lastprivate,
15538 c_parser_omp_clause_nowait,
15539 c_parser_omp_clause_num_threads,
15540 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15541 c_parser_omp_clause_reduction,
15542 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15543 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15544 c_parser_omp_atomic, c_parser_omp_barrier,
15545 c_parser_omp_critical, c_parser_omp_flush,
15546 c_parser_omp_for_loop, c_parser_omp_for,
15547 c_parser_omp_master, c_parser_omp_ordered,
15548 c_parser_omp_sections_scope, c_parser_omp_sections,
15549 c_parser_omp_parallel, c_parser_omp_single,
15550 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15551 * c-pragma.c (init_pragma): Do omp pragma registration here.
15552 * c.opt (fopenmp): New flag.
15554 2006-01-18 Eric Christopher <echristo@apple.com>
15556 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15557 * config/darwin.h (GOMP_SELF_SPECS): Define.
15559 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15561 * rtl.h: Remove the prototype for reg_alloc.
15563 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15566 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15567 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15568 sjlj and dwarf2 exception handling.
15569 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15570 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15571 * pa/pa.c (function_value): Treat complex and vector types as
15573 (function_arg): Likewise. Only pass scalar floats in the floating
15574 point argument registers.
15575 * pa/t-slibgcc-dwarf-ver: New file.
15576 * pa/t-slibgcc-sjlj-ver: New file.
15577 * pa/t-slibgcc-elf-ver: Delete file.
15579 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15581 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15582 unlikely_test_section_p test.
15584 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15586 * mode-switching.c (optimize_mode_switching): Make it static.
15587 * basic-block.h: Remove the prototype for
15588 optimize_mode_switching.
15590 * modulo-sched.c (sms_schedule): Make it static.
15591 * rtl.h: Remove the prototype for sms_schedule.
15593 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15594 * rtl.h: Remove the prototype for gcse_after_reload_main.
15596 * reg-stack.c (reg_to_stack): Make it static.
15597 * rtl.h: Remove the prototype for reg_to_stack.
15599 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15601 * rtl.h: Remove the prototypes for regrename_optimize and
15602 copyprop_hardreg_forward.
15604 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15606 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15607 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15608 Test against the appropriate null constant for the mode.
15609 If 'fixup_overlap' is true, swap the operands if they overlap.
15610 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15611 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15612 alpha_split_tmode_pair and adjust for above change.
15613 * config/alpha/alpha.md (movtf_internal): Adjust call to
15614 alpha_split_tfmode_pair and rely on it to swap the operands.
15615 (movti_internal): New insn and post-reload splitter.
15616 (movti): New expander.
15618 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15620 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15623 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15625 * rtlanal.c (global_reg_mentioned_p_1,
15626 global_reg_mentioned_p): Remove.
15627 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15629 * flow.c (initialize_uninitialized_subregs): Make it static.
15630 * rtl.h: Remove the prototype for
15631 initialize_uninitialized_subregs.
15633 * function.c (instantiate_virtual_regs): Make it static.
15634 * function.h: Remove the prototype for
15635 instantiate_virtual_regs.
15637 * regmove.c (regmove_optimize, combine_stack_adjustments):
15639 * rtl.h: Remove the prototypes for regmove_optimize and
15640 combine_stack_adjustments.
15642 2006-01-17 Roger Sayle <roger@eyesopen.com>
15644 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15645 (size_cost): Encode costs in bytes so that a reg-reg addition is
15646 equivalent to COSTS_N_INSNS(1).
15647 (override_options): Use the size_cost.branch_cost as the default
15648 ix86_branch_cost when optimizing for size.
15650 2006-01-18 Ben Elliston <bje@au.ibm.com>
15652 * Makefile.in (D32PBIT_FUNCS): New.
15653 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15654 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15655 D64PBIT_FUNCS and D128PBIT_FUNCS.
15656 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15657 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15659 (decnumber_dep): Define.
15660 * doc/libgcc.texi (Decimal float library routines): New node.
15661 * config/dfp-bit.h, config/dfp-bit.c: New files.
15663 2006-01-18 Ben Elliston <bje@au.ibm.com>
15665 * expr.c (emit_move_change_mode): Always adjust addresses, not
15666 just during reload. Copy replacements only during reload.
15667 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15668 emit_move_via_integer.
15670 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15672 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15673 instead of $(srcdir) and ${srcdir}.
15675 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15678 PR middle-end/11135
15679 * arm.h (struct machine_function): Add pic_reg.
15680 * arm.c (arm_pic_register): Make unsigned.
15681 (arm_override_options): Only set arm_pic_register if
15682 TARGET_SINGLE_PIC_BASE.
15683 (use_return_insn): Only test for a pic register if it is fixed.
15684 (arm_compute_save_reg0_reg12_mask): Likewise.
15685 (thumb_compute_save_reg_mask): Likewise.
15686 (legitimate_pic_operand): Factor out some known invariants.
15687 (legitimize_pic_address): If we don't have a fixed pic register,
15688 then set up a pseudo in the function entry sequence. Handle the
15689 pic base being in a pseudo.
15690 (arm_load_pic_register): Handle the pic register being in a pseudo.
15691 (arm_expand_prologue): Only set up the pic register if it is fixed.
15692 (thumb_expand_prologue): Likewise.
15693 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15694 (pic_load_addr_based_insn): Likewise.
15695 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15698 2006-01-18 Ben Elliston <bje@au.ibm.com>
15700 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15701 decimal float modes for all floating point registers.
15703 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15704 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15706 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15709 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15710 even when the pointer is not NULL.
15712 2006-01-16 Ian Lance Taylor <ian@airs.com>
15714 * common.opt (ftoplevel-reorder): New option.
15715 * cgraph.c (cgraph_asm_nodes): New global variable.
15716 (cgraph_asm_last_node): New static variable.
15717 (cgraph_order): New global variable.
15718 (cgraph_create_node): Set new order field.
15719 (cgraph_varpool_node): Likewise.
15720 (decide_is_variable_needed): Return true if not
15721 flag_toplevel_reorder.
15722 (cgraph_add_asm_node): New function.
15723 * cgraph.h (struct cgraph_node): Add order field.
15724 (struct cgraph_varpool_node): Add order field.
15725 (struct cgraph_asm_node): Define.
15726 (cgraph_asm_nodes, cgraph_order): Declare.
15727 (cgraph_add_asm_node): Declare.
15728 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15730 (cgraph_varpool_assemble_pending_decls): Call it.
15731 (cgraph_output_pending_asms): New static function.
15732 (cgraph_finalize_compilation_unit): Call it.
15733 (struct cgraph_order_sort): Define.
15734 (cgraph_output_in_order): New static function.
15735 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15736 !flag_toplevel_reorder case.
15737 * c-parser.c: Include "cgraph.h".
15738 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15740 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15741 than -fno-unit-at-a-time.
15742 * doc/invoke.texi (Option Summary): Mention
15743 -fno-toplevel-reorder.
15744 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15745 -funit-at-a-time documentation.
15747 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15748 Kazu Hirata <kazu@codesourcery.com>
15750 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15752 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15754 * Makefile.in (FUNCTION_H): New. Use it instead of
15755 function.h throughout the file.
15756 * function.h: Include tree.h.
15758 2006-01-17 Ben Elliston <bje@au.ibm.com>
15760 * recog.c: Separate some functions with whitespace.
15762 2006-01-16 Richard Henderson <rth@redhat.com>
15764 Merge from gomp branch:
15765 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15766 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15767 and rename from struct inline_data. Rename callee* to dst*;
15768 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15769 transform_new_cfg, transform_return_to_modify, and
15770 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15772 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15773 (copy_decl_for_dup): Remove.
15774 * tree-inline.c (struct inline_data): Move to header.
15775 (insert_decl_map): Export.
15776 (remap_decl): Update for member name changes. Use copy_decl hook.
15777 Allow for replacement to be a non-decl. Remove dead code.
15778 (remap_type_1): Check for existing mapping.
15779 (remap_type): Export.
15780 (remap_decls): Update for member name changes.
15781 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15782 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15783 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15784 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15785 (tree_function_versioning, build_duplicate_type): Likewise.
15786 (copy_body_r): Likewise. Export.
15787 (copy_decl_for_dup): Split into ...
15788 (copy_decl_for_dup_finish, copy_decl_to_var,
15789 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15790 (replace_ref_tree, inlining_p): Remove.
15792 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15794 * ifcvt.c (if_convert): Make it static.
15795 * rtl.h: Remove the prototype for if_convert.
15797 * local-alloc.c (local_alloc): Make it static.
15798 * rtl.h: Remove the prototype for local_alloc.
15800 * loop.c (loop_optimize): Make it static.
15801 * cfgloop.h: Remove the prototype for loop_optimize.
15804 2006-01-16 DJ Delorie <dj@redhat.com>
15806 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15809 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15811 * pa.md: Disparage copies between general and floating-point registers
15812 in 32-bit move patterns.
15814 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15817 * Makefile.in (check-%): Depend on site.exp instead of
15818 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15821 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15823 * global.c (global_alloc): Make it static.
15824 * rtl.h: Remove the prototype for global_alloc.
15826 2006-01-16 Richard Guenther <rguenther@suse.de>
15828 * tree-ssa-alias.c (struct used_part): Add write_only field.
15829 (get_or_create_used_part_for): Initialize it to true.
15830 (create_overlap_variables_for): Don't create structure variables
15831 for structures that only are written to.
15832 (find_used_portions): Handle MODIFY_EXPR to track whether a
15833 structure is only written to.
15835 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15837 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15839 * basic-block.h: Remove the prototype for
15840 partition_hot_cold_basic_blocks.
15842 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15844 * cppspec.c (lang_specific_spec_functions): Remove.
15845 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15846 * gcc.h (lang_specific_spec_functions): Remove.
15847 * gccspec.c (lang_specific_spec_functions): Remove.
15849 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15851 * combine.c (record_value_for_reg): Invalidate registers
15853 (record_dead_and_set_regs_1): Likewise, by passing them to
15854 record_value_for_reg.
15855 (record_dead_and_set_regs): Invalidate stores made by a
15856 call. We do not combine across a call, but we still
15857 relied on equivalences.
15859 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15861 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15862 vrp_int_const_binop returning non-constant nodes.
15864 2006-01-16 Paul Brook <paul@codesourcery.com>
15866 * config/m68k/m68k.c (output_move_const_into_data_reg):
15867 Output correct mnemonic for mvz and mvs.
15869 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15871 * rtl-factoring.c: Add sequence abstraction algorithm.
15872 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15873 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15875 (block_has_preserve_label): New function.
15876 * common.opt: Register new pass.
15877 * Makefile.in: Ditto.
15879 * timevar.def: Ditto.
15880 * tree-pass.h: Ditto.
15881 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15882 * rtl.h (make_jump_insn_raw): Add forward decl.
15883 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15885 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15886 Roger Sayle <roger@eyesopen.com>
15888 * fold-const.c (fold_minmax): New static function.
15889 (fold_binary) <MIN_EXPR>: Call it.
15890 <MAX_EXPR>: Likewise.
15891 * stor-layout.c (place_field): Use DECL_SIZE consistently
15892 in the computation of the new record size.
15894 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15896 * cse.c (cse_condition_code_reg): Make it static.
15897 * rtl.h: Remove the prototype for cse_condition_code_reg.
15899 * combine.c (combine_instructions): Make it static.
15900 * rtl.h: Remove the prototype for combine_instructions.
15902 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15905 * tree.c (get_file_function_name_long): Concatenate the first global
15906 object name with a string derived from the input filename of the object
15909 2006-01-16 Ben Elliston <bje@au.ibm.com>
15911 * config/i386/winnt-stubs.c: Update FSF address.
15912 * config/xtensa/ieee754-df.S: Ditto.
15913 * config/xtensa/ieee754-sf.S: Ditto.
15915 2006-01-14 Ian Lance Taylor <ian@airs.com>
15917 * ifcvt.c (noce_init_if_info): New static function, broken out of
15918 noce_process_if_block.
15919 (noce_process_if_block): Call noce_init_if_info.
15920 (check_cond_move_block): New static function.
15921 (cond_move_process_if_block): New static function.
15922 (process_if_block): Call cond_move_process_if_block.
15924 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15926 * cselib.c (hash_table): Rename to cselib_hash_table.
15927 (cselib_clear_table, discard_useless_values,
15928 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15929 cselib_init, cselib_finish): Adjust uses of hash_table.
15931 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15933 PR tree-optimization/25485
15934 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15935 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15936 is known to be false and true, respectively.
15938 2006-01-14 Richard Guenther <rguenther@suse.de>
15940 PR tree-optimization/22548
15941 PR tree-optimization/22555
15942 PR tree-optimization/22501
15943 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15944 * params.def (salias-max-array-elements): New parameter.
15945 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15946 * doc/invoke.texi (salias-max-array-elements): Document.
15947 * tree-flow-inline.h (var_can_have_subvars): We also handle
15949 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15951 * tree-ssa-structalias.c (params.h): Include.
15952 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15953 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15954 (get_constraint_for): For ADDR_EXPR operating on something
15955 containing an ARRAY_REF, add all subvars to the solution.
15956 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15957 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15958 for creating MUST_DEFs.
15959 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15961 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15963 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15965 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15966 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15967 number_of_iterations_le): New functions.
15968 (number_of_iterations_special): Removed.
15969 (number_of_iterations_exit): Do not use number_of_iterations_special.
15970 * tree.c (unsigned_type_for): Always return integer type.
15972 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15973 Richard Guenther <rguenther@suse.de>
15975 PR rtl-optimization/24257
15976 * gcse.c (find_moveable_store): Only consider a store movable
15977 when the SET_SRC of the insn can be assigned to a register.
15979 2006-01-14 Ian Lance Taylor <ian@airs.com>
15981 * tree.c (tree_not_class_check_failed): New function.
15982 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15983 (tree_not_class_check_failed): Declare.
15985 2006-01-13 Ian Lance Taylor <ian@airs.com>
15987 * reload1.c (do_output_reload): Add assertion rejecting a
15990 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15992 * combine.c (struct reg_stat): Add new fields truncation_label and
15994 (record_value_for_reg): Reset truncated_to_mode.
15995 (record_truncated_value): New function.
15996 (check_promoted_subreg): Call it. Rename to check_conversions.
15997 (combine_instructions): Rename check_promoted_subreg to
15999 (reg_truncated_to_mode): New function.
16000 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16001 (gen_lowpart_or_truncate): New function.
16002 (force_to_mode): Use it instead of gen_lowpart.
16004 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16006 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16007 VAR is a tag, not its type tag.
16009 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16011 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16012 alternatives to match style of other entries.
16013 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16015 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16017 PR tree-optimization/25771
16018 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16021 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16024 * tree-inline.c (declare_return_variable): If the return variable
16025 was marked as a non gimple complex, set the return slot variable
16026 to be a non gimple comple variable.
16028 2006-01-13 Richard Guenther <rguenther@suse.de>
16030 * builtins.c (expand_builtin_sincos): New function.
16031 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16033 (expand_builtin): Expand sincos using expand_builtin_sincos.
16035 2006-01-12 DJ Delorie <dj@redhat.com>
16037 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16038 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16039 so that constant shifts can be split.
16040 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16041 (m32c_valid_pointer_mode): Make static.
16042 (shift_gen_func_for): New.
16043 (m32c_prepare_shift): Use it. Split large const shifts into
16045 * config/m32c/predicates.md (shiftcount_operand): Allow more
16047 (longshiftcount_operand): New.
16048 * doc/md.texi (Machine Constraints): Document In6.
16050 2006-01-13 Ben Elliston <bje@au.ibm.com>
16052 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16053 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16056 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16058 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16059 to try to avoid clobbering pieces of structures when we know
16060 something about the whole structure.
16061 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16063 2006-01-13 Ben Elliston <bje@au.ibm.com>
16065 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16066 return in memory, as this is no limitation is no longer present.
16068 2006-01-12 DJ Delorie <dj@redhat.com>
16070 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16071 mova with fb, and for fb+0 -> An.
16073 * config/m32c/mov.md (peephole2): Fix enabling logic.
16075 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16076 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16077 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16078 FINI_ARRAY_SECTION_ASM_OP): Define.
16080 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16082 (m32c_legitimize_reload_address): New logic to reload FB to An.
16083 (m32c_output_reg_push): Add newline.
16084 (m32c_output_reg_pop): Likewise.
16086 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16088 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16090 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16092 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16094 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16096 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16099 2006-01-11 Ben Elliston <bje@au.ibm.com>
16101 * rtlanal.c (find_reg_note): Assert insn is not null.
16103 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16105 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16108 2006-01-11 Jeff Law <law@redhat.com>
16110 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16112 (mark_threaded_blocks, register_jump_thread): New functions.
16113 (thread_through_all_blocks): Remove unwanted argument. No
16114 longer rely on e->aux to communicate thread target info.
16115 Call mark_threaded_blocks. Release the threaded_blocks
16116 bitmap and threaded_edges vector when complete.
16117 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16118 (threaded_blocks): Remove.
16119 (tree_ssa_dominator_optimize): Remove initialization and
16120 finalization of threaded_blocks. Simplify call to
16121 thread_through_all_blocks.
16122 (thread_across_edge): Call register_jump_thread rather than
16123 storing thread information into e->aux.
16124 (free_all_edge_infos): Simplify now that e->aux is no longer
16125 used to communicate with thread_through_all_blocks.
16126 * tree-flow.h (thread_through_all_blocks): Update prototype.
16127 (register_jump_thread): Prototype.
16129 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16131 * df-core.c (df_compact_blocks, df_bb_replace): Use
16132 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16134 2006-01-11 Richard Guenther <rguenther@suse.de>
16136 PR tree-optimization/25734
16137 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16138 stop propagation after successful propagation to the LHS.
16140 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16142 * basic-block.h (control_flow_graph): Change the type of
16143 x_basic_block_info to VEC(basic_block,gc) *.
16144 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16146 (SET_BASIC_BLOCK): New.
16147 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16148 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16149 * cfgbuild.c (find_basic_blocks): Likewise.
16150 * cfglayout.c (fixup_reorder_chain): Likewise.
16151 * cfgrtl.c (create_basic_block_structure,
16152 rtl_create_basic_block): Likewise.
16153 * ifcvt.c (find_if_case_1): Likewise.
16154 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16157 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16159 * Makefile.in: Removed rotted odf.c entry.
16161 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16164 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16165 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16166 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16167 output pattern modifier, not %e.
16168 * config/cris/cris.c (cris_op_str): Update comment about pattern
16170 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16171 before falling through into...
16172 <case 'E'>: Redefined from old 'e' case.
16174 2006-01-11 Jan Hubicka <jh@suse.cz>
16177 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16179 2006-01-11 Jan Hubicka <jh@suse.cz>
16181 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16182 * i386.c (x86_decompose_lea): Kill.
16183 (ix86_rtx_costs): Kill.
16185 2006-01-11 Jan Hubicka <jh@suse.cz>
16187 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16188 * cgraph.h (cgraph_node): Add inline_decl.
16189 (cgraph_insert_node_to_hashtable): Declare.
16190 (save_inline_function_body): Declare.
16191 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16193 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16194 (cgraph_function_versioning): Update call of tree_function_versioning.
16195 (save_inline_function_body): New function.
16196 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16197 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16198 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16199 (cgraph_default_inline_p): Likewise.
16200 (cgraph_decide_inlining_incrementally): Likewise.
16201 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16202 (copy_bb): Kill saving; do updating of clones.
16203 (copy_cfg_body): Kill saving.
16204 (initialize_inlined-parameters): Likewise.
16205 (expand_call_inline): Likewise.
16207 (tree_function_versioning): New parameter "update_clones".
16208 (inlining_p): Kill saving.
16209 * tree-inline.h (tree_function_versioning): Update prototype.
16210 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16213 2006-01-11 Ian Lance Taylor <ian@airs.com>
16215 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16216 Allow undoing set of machine mode.
16217 (do_SUBST): Use enums instead of is_int.
16218 (do_SUBST_MODE): New function.
16219 (SUBST_MODE): New macro.
16220 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16221 reg and trying to replace reg_regno_rtx with a new register.
16222 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16223 (simplify_set): Use SUBST_MODE.
16224 (distribute_notes): Remove code that tried to update reg notes
16225 for regno_reg_rtx changes.
16227 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16229 PR tree-optimization/23109
16230 PR tree-optimization/23948
16231 PR tree-optimization/24123
16233 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16234 * tree-cfg.c (single_noncomplex_succ): New.
16235 * tree-flow.h (single_noncomplex_succ): Declare it.
16236 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16237 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16238 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16239 insert_bb, register_division_in, insert_reciprocals,
16240 replace_reciprocal, free_bb): New.
16241 (execute_cse_reciprocals_1): Rewritten.
16242 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16243 Do not commit any edge insertion. Always compute dominators and
16244 create the allocation pool.
16245 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16246 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16247 * targhooks.c (default_min_divistions_for_recip_mul): New.
16248 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16249 * passes.c (init_optimization_passes): Run recip after tree loop
16251 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16253 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16254 Kenneth Zadeck <zadeck@naturalbridge.com>
16256 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16257 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16258 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16259 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16260 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16261 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16262 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16263 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16264 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16265 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16266 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16267 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16268 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16269 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16270 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16271 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16272 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16273 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16274 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16275 DF_SCAN_POST_ALLOC): New macros.
16276 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16277 df_free_bb_function, df_local_compute_function, df_init_function,
16278 df_dataflow_function, df_confluence_function_0,
16279 df_confluence_function_n, df_transfer_function,
16280 df_finalizer_function, df_free_function, df_dump_problem_function,
16281 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16282 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16283 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16284 df_urec_bb_info, ) New types.
16285 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16287 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16288 df_analyze_simple_change_some_blocks,
16289 df_analyze_simple_change_one_block, df_compact_blocks,
16290 df_bb_replace, df_bb_regno_last_use_find,
16291 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16292 df_insn_regno_def_p, df_find_def, df_find_use,
16293 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16294 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16295 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16296 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16297 debug_df_chain, df_get_dependent_problem, df_chain_create,
16298 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16299 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16300 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16301 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16302 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16303 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16304 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16305 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16306 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16307 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16308 df_reorganize_refs, df_set_state, df_hard_reg_init,
16309 df_read_modify_subreg_p) New public functions.
16310 * df-core.c: The core dataflow solver and glue routines for rtl
16312 (df_init, df_add_problem, df_set_blocks, df_finish,
16313 df_hybrid_search_forward, df_hybrid_search_backward,
16314 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16315 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16316 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16317 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16318 df_reg_defined, df_find_use, df_reg_used, df_dump,
16319 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16320 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16321 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16322 debug_df_useno, reset_df_after_reload): New functions.
16323 * df-scan.c: The scanning fuctions, once in df.c, completely
16324 rewritten so that they now fully model the functionality of
16325 register usage at the backend.
16326 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16327 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16328 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16329 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16330 df_get_artificial_defs, df_get_artificial_uses,
16331 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16332 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16333 df_refs_delete, df_reorganize_refs, df_set_state,
16334 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16335 df_def_record_1, df_defs_record, df_uses_record,
16336 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16337 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16338 df_record_exit_block_uses, df_hard_reg_init): New functions.
16340 * df-problems.c: Seven concrete dataflow problems that use the
16341 scanning in df-scan.c and are solved by the engine in df-core.c.
16342 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16343 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16344 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16345 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16346 df_ru_free_bb_info, df_ru_alloc,
16347 df_ru_bb_local_compute_process_def,
16348 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16349 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16350 df_ru_transfer_function, df_ru_free, df_ru_dump,
16351 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16352 df_rd_free_bb_info, df_rd_alloc,
16353 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16354 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16355 df_rd_transfer_function, df_rd_free, df_rd_dump,
16356 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16357 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16358 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16359 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16360 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16361 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16362 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16363 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16364 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16365 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16366 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16367 df_urec_mark_reg_use_for_earlyclobber,
16368 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16369 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16370 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16371 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16372 df_chain_create_bb_process_use, df_chain_create_bb,
16373 df_chain_finalize, df_chain_free, df_chains_dump,
16374 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16375 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16376 df_reg_lifetime): New functions.
16377 * df.c: Deleted file.
16378 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16379 consistent with new df api.
16380 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16381 rest_of_handle_sms): Ditto.
16382 * web.c (unionfind_union, union_defs, entry_register, web_main):
16384 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16385 invariant_expr_equal_p, find_defs, check_dependencies,
16386 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16387 free_inv_motion_data, move_loop_invariants): Ditto.
16388 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16389 Update dependencies.
16390 (odf.c): Added defective entry that was deleted later in day.
16391 * sched-deps.c (sched_analyze_1): Ditto.
16393 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16395 * tree-ssa-operands.c (get_expr_operands): Record addressable
16396 variables directly. Do not call add_stmt_operands for CONST_DECLs
16398 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16399 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16401 2006-01-11 Ben Elliston <bje@au.ibm.com>
16403 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16404 function returns true in the positive case.
16406 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16409 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16410 for SI, DI, SF and DF modes. Add alternatives to copy between
16411 general and floating point registers to the 32-bit patterns.
16412 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16413 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16414 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16415 generating 64-bit code.
16416 * config/pa/pa.c (output_move_double): Handle copies between general
16417 and floating registers.
16419 2006-01-10 Stuart Hastings <stuart@apple.com>
16421 * config/i386/i386.md (set_got): Update.
16422 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16423 (builtin_setjmp_receiver): Mach-O support.
16424 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16425 (GOT_SYMBOL_NAME): Define.
16426 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16427 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16428 * config/i386/i386.c (override_options): Revise for Darwin.
16429 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16430 support. (darwin_x86_file_end): New. (output_set_got): Add label
16431 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16432 * config/i386/i386-protos.h (output_set_got): Likewise.
16433 * config/darwin.c (machopic_legitimize_pic_address): Update
16436 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16438 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16439 when MODE isn't BLKmode.
16441 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16443 PR rtl-optimization/25367
16444 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16446 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16449 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16450 for a negative bound.
16452 2006-01-10 Richard Guenther <rguenther@suse.de>
16454 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16455 Never override with anything constraint.
16457 2006-01-10 Jan Beulich <jbeulich@novell.com>
16459 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16460 256 bits when optimize_size.
16462 2006-01-10 Jan Beulich <jbeulich@novell.com>
16464 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16466 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16467 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16470 2006-01-10 Ben Elliston <bje@au.ibm.com>
16472 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16474 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16475 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16476 (USE_FP_FOR_ARG): Reject decimal float modes.
16477 (function_arg_advance): Likewise.
16478 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16479 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16480 point types in AltiVec vectors.
16481 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16482 (rs6000_libcall_value): Likewise.
16484 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16486 * config/xtensa/ieee754-df.S: New file.
16487 * config/xtensa/ieee754-sf.S: New file.
16488 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16489 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16490 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16492 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16494 * config/sh/predicates.md (binary_float_operator,
16495 binary_logical_operator, commutative_float_operator,
16496 equality_comparison_operator, greater_comparison_operator,
16497 less_comparison_operator, logical_operator,
16498 noncommutative_float_operator, shift_operator,
16499 symbol_ref_operand, unary_float_operator): Remove redundant
16502 2006-01-09 Jeff Law <law@redhat.com>
16504 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16505 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16506 now unused arguments. Callers updated.
16507 (eliminate_redundant_computations): Remove now unused arguments,
16509 (local_fold): Remove, no longer used.
16510 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16512 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16513 (simplify_cond): New function.
16514 (forward_propagate_into_cond): Call simplify_cond.
16516 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16518 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16519 (*vec_extractv2di_1_sse): New.
16521 2006-01-09 Ben Elliston <bje@au.ibm.com>
16523 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16525 2006-01-08 Richard Guenther <rguenther@suse.de>
16527 * tree-ssa-structalias.c (get_constraint_for): Remove
16528 anyoffset argument.
16529 (get_constraint_for_component_ref): Likewise.
16530 (do_deref): Likewise.
16531 (get_constraint_for): Likewise.
16532 (do_structure_copy): Likewise.
16533 (handle_ptr_arith): Likewise.
16534 (find_func_aliases): Likewise. Remove unused need_anyoffset
16537 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16538 Kaz Kojima <kkojima@gcc.gnu.org>
16540 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16541 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16542 (EXTRA_CONSTRAINT_C16): Remove.
16543 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16544 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16545 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16546 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16547 constants of SHmedia. Handle nested constant expressions of
16549 (andcosts): Fix the costs for SHmedia constants.
16550 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16551 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16552 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16553 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16554 (movv4hi_i, movv2si_i): Likewise.
16555 (movsi_const): Adjust the second operand of ior so to match with
16556 the Csu constraint.
16557 (movdi_const, movdi_const_32bit): Likewise.
16558 (movdi_const_16bit+1): Don't sign-extend LOW.
16559 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16561 (*double_shori): Fix the split condition. Use GEN_INT instead
16562 of get_int_mode calls. Mask lower 16-bit of the argument of
16564 (sym2GOTPLT): Remove.
16565 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16567 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16568 instead of EXTRA_CONSTRAINT_C16.
16570 2006-01-07 Ian Lance Taylor <ian@airs.com>
16571 David Edelsohn <edelsohn@gnu.org>
16573 PR rtl-optimization/25662
16574 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16575 for constant operands instead of simplify_gen_binary.
16576 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16577 after trying simplify_binary_operation
16579 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16581 * tree.c (iterative_hash_expr): Hash decls based on UID.
16583 2006-01-06 Eric Christopher <echristo@apple.com>
16585 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16586 (TARGET_UNWIND_EMIT): Fix spelling.
16587 * target.h (gcc_target): Add except_table_label.
16588 * except.c (output_function_exception_table): Use.
16589 * varasm.c (default_emit_except_table_label): New.
16590 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16592 (asm_out): Add here.
16593 * output.h (default_emit_except_table_label): Prototype.
16594 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16595 * config/darwin.c (darwin_emit_except_table_label): Define.
16596 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16598 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16600 PR tree-optimization/18527
16601 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16602 number_of_iterations_special, number_of_iterations_exit):
16603 Move base and step of an iv to a single structure. Add
16604 no_overflow flag, and use it in # of iterations analysis.
16605 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16606 folded_casts argument.
16607 (simple_iv): Pass base and step in a structure. Set no_overflow
16609 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16610 Evaluate expensiveness of computing # of iterations instead of
16611 the final expression.
16612 * tree-scalar-evolution.h (affine_iv): New structure.
16613 (simple_iv): Declaration changed.
16614 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16615 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16616 find_givs_in_stmt): Changed due to simple_iv change.
16618 2006-01-06 Jeff Law <law@redhat.com>
16621 * tree-cfg.c (bsi_replace): Rename final argument from
16622 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16623 change (stmt -> orig_stmt).
16624 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16625 (bsi_remove): Add new argument. Remove EH information
16627 (verify_eh_throw_table_statements): New function.
16628 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16630 * tree-optimize.c (execute_free_cfg_annotations): Verify
16631 the EH throw statement table after removing annotations.
16632 * except.h (verify_eh_throw_table_statements): Prototype.
16633 * tree-flow.h (bsi_remove): Update prototype.
16634 * tree-vrp.c (remove_range_assertions): Add new argument to
16636 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16637 * tree-complex.c (expand_complex_div_wide): Likewise.
16638 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16639 * tree-tailcall.c (eliminate_tailcall): Likewise.
16640 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16641 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16642 * tree-nrv.c (tree_nrv): Likewise.
16643 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16644 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16645 (combine_blocks): Likewise.
16646 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16647 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16648 (cleanup_control_flow): Likewise.
16649 (remove_forwarder_block): Likewise.
16650 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16651 * tree-sra.c (sra_replace): Likewise.
16652 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16653 (forward_propagate_single_use_vars): Likewise.
16654 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16655 * tree-inline.c (expand_call_inline): Likewise.
16656 * tree-vect-transform.c (vect_transform_loop): Likewise.
16657 * tree-outof-ssa.c (rewrite_trees): Likewise.
16658 * tree-cfg.c (make_goto_expr_edges): Likewise.
16659 (cleanup_dead_labels): Likewise.
16660 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16661 (bsi_move_before, bsi_move_after): Likewise.
16662 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16663 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16665 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16668 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16670 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16671 on non gimple variables. Also add checks at the top for decls and
16673 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16675 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16676 and IMAGPART_EXPR for creating MUST_DEFs.
16677 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16678 and NAME_MEMORY_TAG separately from the DECLs.
16680 2006-01-06 Richard Guenther <rguenther@suse.de>
16682 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16683 annotation, if necessary.
16684 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16685 redundant calls to update_stmt.
16686 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16689 2006-01-05 Richard Henderson <rth@redhat.com>
16691 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16693 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16695 * c-typeck.c: Update copyright date.
16697 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16699 * c-typeck.c (build_c_cast): Always warn when casting
16700 from a pointer to an integer of different size, even if
16701 the node was constant.
16703 2006-01-05 Richard Guenther <rguenther@suse.de>
16705 PR tree-optimization/22555
16706 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16707 if one structure field is an array.
16708 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16709 operands even if we found a subvar, but ignore VOPs in this
16711 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16713 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16715 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16717 PR middle-end/24998
16718 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16720 2006-01-05 Richard Guenther <rguenther@suse.de>
16721 Diego Novillo <dnovillo@redhat.com>
16723 * tree-pass.h (TODO_remove_unused_locals): Define.
16724 * gimple-low.c (expand_var_p, remove_useless_vars,
16725 pass_remove_useless_vars): Remove. Update all users.
16726 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16727 (remove_unused_locals): New function.
16728 * tree-flow.h (remove_unused_locals): Declare.
16729 * passes.c (execute_todo): Call remove_unused_locals if
16730 TODO_remove_unused_locals is set.
16731 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16732 * tree-ssa-dce.c (pass_dce): Likewise.
16733 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16735 2006-01-05 Richard Guenther <rguenther@suse.de>
16737 * tree-flow.h (struct fieldoff): Decompose field to
16738 type, size and decl.
16739 * tree-ssa-alias.c (create_sft): Take type as parameter.
16740 (create_overlap_variables_for): Store type, size and decl
16741 in the fieldoff structure.
16742 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16743 of struct fieldoff.
16744 (push_fields_onto_fieldstack): Likewise.
16745 (create_variable_info_for): Likewise. Use offset for the
16746 SFT name if the decl is not available.
16748 2006-01-04 Paul Brook <paul@codesourcery.com>
16750 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16752 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16754 * lambda-code.c (can_put_in_inner_loop): Relax
16756 (can_put_after_inner_loop): New function.
16757 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16758 (perfect_nestify): Change to make copies and modify uses.
16760 2006-01-04 Richard Henderson <rth@redhat.com>
16762 Merge from gomp branch:
16763 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16764 via integer constant.
16765 (pragma_lex): Remove.
16766 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16767 rather than parsing it.
16768 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16769 handle_pragma_extern_prefix): Add %< %> quotes.
16770 (registered_pragmas): New.
16771 (c_register_pragma_1): New.
16772 (c_register_pragma): Use it.
16773 (c_register_pragma_with_expansion): Likewise.
16774 (c_invoke_pragma_handler): New.
16775 (init_pragma): Use cpp_register_deferred_pragma directly for
16777 * c-pragma.h (enum pragma_kind): New.
16778 (pragma_handler): New.
16779 (c_invoke_pragma_handler): Declare.
16780 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16782 * c-common.h (c_common_pch_pragma): Update decl.
16783 * Makefile.in (c-parser.o): Update dependencies.
16784 (GTFILES): Add c-pragma.h.
16785 * c-parser.c (struct c_token): Add pragma_kind.
16786 (struct c_parser): Add in_pragma.
16787 (c_lex_one_token): Always initialize keyword and pragma_kind.
16788 Extract data for CPP_PRAGMA.
16789 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16790 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16791 Don't allow CPP_PRAGMA_EOL if in_pragma.
16792 (c_parser_consume_pragma): New.
16793 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16794 (c_parser_skip_to_end_of_parameter): Likewise.
16795 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16796 (c_parser_skip_to_pragma_eol): New.
16797 (c_parser_external_declaration): Handle CPP_PRAGMA.
16798 (c_parser_compound_statement_nostart): Likewise.
16799 (c_parser_statement_after_labels): Likewise.
16800 (c_parser_pragma): New.
16801 (pragma_lex): Likewise.
16802 (c_parser_pragma_pch_preprocess): New.
16803 (c_parser_new): Merge into ...
16804 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16806 2006-01-04 Jeff Law <law@redhat.com>
16809 * tree-cfg.c (bsi_replace): Remove the original statement
16810 from the EH throw statement table.
16812 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16814 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16815 make the prototype extern "C" and add throw ().
16818 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16819 and pos non-negative and pos + len <= 32.
16820 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16821 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16822 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16825 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16826 as well as sizes not multiple of component size.
16829 * function.c (instantiate_expr): New function.
16830 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16831 walk its DECL_VALUE_EXPR with instantiate_expr.
16833 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16834 DW_OP_deref{,_size} if address isn't going to be added.
16836 2006-01-04 Ben Elliston <bje@au.ibm.com>
16838 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16839 * config/fp-bit.c: Likewise.
16841 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16843 * dominance.c: Add comment about why we use DFS numbering
16846 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16847 Richard Henderson <rth@redhat.com>
16849 Merge from gomp-branch:
16850 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16851 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16853 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16855 PR rtl-optimization/25578
16856 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16857 pass a parameter to simplify_shift_const if changing ASHIFTRT
16860 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16862 * builtins.c (get_builtin_sync_mem): New function.
16863 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16864 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16865 Call get_builtin_sync_mem to generate mem rtx.
16867 2006-01-03 Richard Guenther <rguenther@suse.de>
16870 * stmt.c (add_case_node): Make sure to clear overflow flags
16873 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16875 Merge from gomp-branch.
16876 * config/sparc/sync.md: New file.
16877 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16878 UNSPECV_LDSTUB): New constants.
16879 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16880 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16881 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16884 2006-01-03 Roger Sayle <roger@eyesopen.com>
16886 * combine.c (reg_subword_p): New predicate to test whether the
16887 destination of a set refers to a subword/piece of a register.
16888 (try_combine): Generalize the code to merge the setting of a
16889 pseudo to a constant followed by a set of a subword of that
16890 register to a constant.
16892 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16894 * basic-block.h (control_flow_graph): Change the type of
16895 x_label_to_block_map to VEC(basic_block,gc) *.
16896 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16897 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16899 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16900 VEC(basic_block,heap) *.
16901 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16902 ssa_prop_fini): Adjust the uses of cfg_blocks.
16904 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16906 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16908 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16909 hashing trees instead of a pointer hash.
16910 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16911 compare for MEM_EXPR.
16913 PR rtl-optimization/25130
16914 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16915 when comparing MEMs for GCSE
16917 2006-01-03 Ben Elliston <bje@au.ibm.com>
16919 * targhooks.h (default_decimal_float_supported_p): Declare.
16920 * targhooks.c (default_decimal_float_supported_p): Define.
16921 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16922 `default_decimal_float_supported_p'.
16923 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16925 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16927 * combine.c (apply_distributive_law <SUBREG>): Check
16928 TRULY_NOOP_TRUNCATION.
16930 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16932 * dwarf2out.c (have_switched_text_section): Delete.
16933 (have_multiple_function_sections): New.
16934 (have_location_lists): Make 'bool'.
16935 (add_AT_loc_list): Use 'true' not '1'.
16936 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16937 (output_loc_list): Use have_multiple_function_sections.
16938 (output_ranges): Likewise.
16939 (dwarf2out_begin_function): Set have_multiple_function_sections if
16941 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16942 Check function_section rather than DECL_SECTION_NAME.
16943 (dwarf2out_finish): Use have_multiple_function_sections.
16944 Don't clear have_location_lists.
16946 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16947 Jan Hubicka <jh@suse.cz>
16949 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16950 case of conditional jump jumping to the next instruction.
16951 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16952 cases of conditional jump jumping to the next instruction.
16954 2006-01-02 Jan Hubicka <jh@suse.cz>
16956 * i386.c (*_cost): Add COSTS_N_INSNS.
16957 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16959 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16962 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16964 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16966 * config/arm/arm.c (all_fpus): Fix comment typo.
16967 * config/darwin.c: Likewise.
16968 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16969 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16970 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16972 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16974 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16975 (rs6000_split_compare_and_swapqhi): New.
16976 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16977 (sync_compare_and_swapqhi_internal): New.
16978 * config/rs6000/rs6000-protos.h: Declare.