1 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3 * tree.h (tree_value_handle): Remove struct value_set declaration.
4 Change value_set to bitmap_set.
5 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6 * tree-vn.c (get_value_handle): Made inline and moved to
8 * tree-flow-inline.h: (has_stmt_ann): New function.
9 * tree-ssa-pre.c (expressions): New variable.
10 (next_expression_id): Ditto.
11 (alloc_expression_id): New function.
12 (struct value_set): Remove.
13 (get_expression_id): New function.
14 (get_or_alloc_expression_id): Ditto.
15 (expression_for_id): Ditto.
16 (clear_expression_ids): Ditto.
17 (FOR_EACH_EXPR_ID_IN_SET): New macro.
18 (bb_value_sets): Renamed to bb_bitmap_sets.
19 All value sets replaced with bitmap_sets.
21 (BB_VISITED): New macro.
22 (postorder): New variable.
23 (add_to_value): Removed.
24 (value_exists_in_set_bitmap): Ditto.
25 (value_insert_into_set_bitmap): Ditto.
29 (set_contains_value): Ditto.
30 (insert_into_set): Ditto.
33 (bitmap_set_subtract_from_value_set): Ditto.
34 (value_insert_into_set): Ditto.
35 (print_value_set): Ditto.
36 (debug_value_set): Ditto.
37 (constant_expr_p): New function.
38 (bitmap_remove_from_set): Ditto.
39 (bitmap_insert_into_set): Ditto.
40 (bitmap_set_free): Ditto.
42 (sorted_array_from_bitmap_set): Ditto.
43 (bitmap_set_subtract): Ditto.
44 (bitmap_set_equal): Ditto.
45 (debug_bitmap_set): Ditto.
46 (find_leader_in_sets): Ditto.
47 (bitmap_set_replace_value): Modify for bitmapped sets.
48 (phi_translate): Ditto.
49 (phi_translate_set): Ditto.
50 (bitmap_find_leader): Ditto.
51 (valid_in_sets): Ditto.
52 (union_contains_value): Ditto.
54 (compute_antic_aux): Ditto. Mark changed blocks.
55 (compute_antic): Ditto. Iterate in postorder and only over
57 (compute_rvuse_and_antic_safe): Reuse postorder.
58 (create_component_ref_by_pieces): Modify for bitmapped sets.
59 (find_or_generate_expression): Ditto.
60 (create_expression_by_pieces): Ditto.
61 (insert_into_preds_of_block): Ditto.
62 (changed_blocks): New variable.
63 (do_regular_insertion): Broken out from insert_aux.
64 (insert_aux): Modified for bitmapped sets.
65 (find_existing_value_expr): New function.
66 (create_value_expr_from): Use it.
67 (insert_extra_phis): Removed.
68 (print_bitmap_set): Renamed from bitmap_print_value_set.
69 (compute_avail): Handle RETURN_EXPR.
70 (init_pre): Modify for bitmapped sets.
71 * tree-flow.h (has_stmt_ann): New function.
73 2006-10-29 Roger Sayle <roger@eyesopen.com>
75 * builtins.c (fold_builtin_floor): Check for the availability of
76 the C99 trunc function before transforming floor into trunc.
78 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
80 * builtins.c (fold_builtin_hypot): Rearrange recursive
81 transformation before others, and also do ABS_EXPR. When
82 necessary, check flag_unsafe_math_optimizations. When necessary,
85 2006-10-29 Roger Sayle <roger@eyesopen.com>
87 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
88 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
89 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
90 Fold -X eq/ne -Y as X eq/ne Y.
92 2006-10-29 Richard Sandiford <richard@codesourcery.com>
94 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
95 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
96 rather than GENERATE_MULT3_SI in the various define_peephole2s.
97 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
98 Use an inclusive test for "mult" rather than "mul".
99 (rotr<mode>3): Depend on ISA_HAS_ROR.
100 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
102 (GENERATE_MULT3_DI): Delete.
103 (ISA_HAS_64BIT_REGS): Use consistent formatting.
104 (ISA_HAS_MUL3): New macro.
105 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
106 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
107 (ISA_HAS_CLZ_CLO): Likewise.
108 (ISA_HAS_DCLZ_DCLO): Delete.
109 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
110 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
111 the VR4120 and VR4130.
112 (ISA_HAS_MACCHI): Use consistent formatting.
113 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
114 (ISA_HAS_ROR): ...this new macro.
115 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
116 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
117 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
119 2006-10-29 Roger Sayle <roger@eyesopen.com>
121 PR tree-optimization/15458
122 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
125 2006-10-29 Richard Guenther <rguenther@suse.de>
127 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
128 (ix86_expand_truncdf_32): Likewise.
129 * config/i386/i386.c (ix86_expand_trunc): New function expanding
130 trunc inline for SSE math and -fno-trapping-math and if not
132 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
133 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
134 for expanding btrunc inline for SSE math.
136 2006-10-29 Joseph Myers <joseph@codesourcery.com>
138 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
139 Handle tuning for bi-arch i[34567]86-*-linux* like that for
140 i[34567]86-*-solaris2.1[0-9]*.
141 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
142 Define conditionally depending on TARGET_64BIT_DEFAULT.
143 (SPEC_32, SPEC_64): Define.
144 (LINK_SPEC): Use them.
145 * doc/install.texi (--enable-targets=all): Document for x86-linux.
147 2006-10-29 Richard Guenther <rguenther@suse.de>
149 * config/i386/i386-protos.h (ix86_expand_round): Declare.
150 (ix86_expand_rounddf_32): Likewise.
151 * config/i386/i386.c (ix86_expand_round): New function expanding
152 round inline for SSE math and -fno-trapping-math and if not
154 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
155 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
156 round via ix86_expand_round.
158 2006-10-29 Richard Guenther <rguenther@suse.de>
160 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
161 (ix86_expand_floorceildf_32): Likewise.
162 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
163 static helper function.
164 (ix86_expand_floorceil): Expander for floor and ceil to SSE
166 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
167 * config/i386/i386.md (floordf2): Adjust to enable floor
168 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
169 -fno-trapping-math is enabled and if not optimizing for size.
170 (floorsf2, ceildf2, ceilsf2): Likewise.
171 * config/i386/sse.md (sse_maskcmpsf3): New insn.
172 (sse2_maskcmpdf3): Likewise.
174 2006-10-29 Richard Guenther <rguenther@suse.de>
176 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
177 rint in case -fno-trapping-math is enabled.
178 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
179 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
180 (ix86_expand_sse_fabs): Likewise.
181 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
182 * config/i386/i386.md (rintdf2): Enable for SSE math if
183 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
186 2006-10-29 Richard Guenther <rguenther@suse.de>
188 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
189 to conversion optabs.
190 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
192 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
193 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
194 (lfloor_optab, lceil_optab): Adjust defines.
195 * builtins.c (expand_builtin_int_roundingfn): Adjust for
196 lfloor and lceil optabs now being conversion optabs.
197 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
198 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
199 New static helper function.
200 (ix86_expand_lfloorceil): New function to expand lfloor and
202 * config/i386/i386.md (lfloor<mode>2): Split into ...
203 (lfloorxf<mode>2): ... x87 variant
204 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
205 using ix86_expand_lfloorceil.
206 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
208 * doc/md.texi (lfloorMN, lceilMN): Document.
210 2006-10-29 Richard Sandiford <richard@codesourcery.com>
212 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
213 -mno-shared assembler option on mips targets.
214 * configure, config.in: Regenerate.
215 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
216 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
217 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
219 2006-10-29 Richard Sandiford <richard@codesourcery.com>
221 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
222 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
224 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
226 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
227 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
230 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
233 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
234 (fold_builtin_pow): Evaluate constant arguments at compile-time
236 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
237 (do_mpfr_ckconv): New helper function.
238 (do_mpfr_arg1): Use do_mpfr_ckconv.
241 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
244 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
245 (-fdump-rtl-sched): Rename to ..
246 (-fdump-rtl-sched1): here. Also fix file extension number.
248 2006-10-28 Richard Guenther <rguenther@suse.de>
250 * fold-const.c (maybe_canonicalize_comparison): Fix code
253 2006-10-28 Uros Bizjak <uros@kss-loka.si>
255 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
256 (NON_QI_REG_P): Use IN_RANGE.
257 (REX_INT_REGNO_P): Use IN_RANGE.
258 (FP_REGNO_P): Use IN_RANGE.
259 (SSE_REGNO_P): Use IN_RANGE.
260 (REX_SSE_REGNO_P): Use IN_RANGE.
261 (MMX_REGNO_P): Use IN_RANGE.
262 (STACK_REGNO_P): New macro.
263 (STACK_REG_P): Use STACK_REGNO_P.
264 (NON_STACK_REG_P): Use STACK_REGNO_P.
265 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
266 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
267 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
268 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
269 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
271 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
273 * except.h (output_function_exception_table): Add 'const char*' param.
274 * except.c (switch_to_exception_section): Add 'const char*' param.
275 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
276 and flag_function_sections is set, use a function-specific section.
277 (output_function_exception_table): Add 'const char*' param.
278 Adjust call to switch_to_exception_section.
279 * final.c (rest_of_handle_final): Adjust calls to
280 output_function_exception_table.
281 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
282 * config.in: Regenerate.
283 * configure: Likewise.
285 2006-10-28 Richard Guenther <rguenther@suse.de>
288 * fold-const.c (maybe_canonicalize_comparison_1): Helper
289 for maybe_canonicalize_comparison.
290 (maybe_canonicalize_comparison): New function for canonicalizing
292 (fold_comparison): Call it to canonicalize comparisons with
295 2006-10-28 Richard Guenther <rguenther@suse.de>
298 * builtins.c (expand_builtin_int_roundingfn_2): Expand
299 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
300 (expand_builtin): Adjust likewise.
301 * genopinit.c (optabs[]): Add lround optab.
302 * optabs.c (init_optabs): Initialize lround_optab.
303 * optabs.h (enum convert_optab_index): Add COI_lround.
304 (lround_optab): Define.
305 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
306 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
308 (ix86_expand_lround): New function.
309 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
311 * doc/md.texi (lroundMN2): Document.
313 2006-10-28 Uros Bizjak <uros@kss-loka.si>
316 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
317 argument to HOST_WIDE_INT. Update function prototype.
318 (round_frame_size): Change return type to HOST_WIDE_INT. Change
319 "size" argument to HOST_WIDE_INT. Update function prototype.
321 2006-10-28 Uros Bizjak <uros@kss-loka.si>
323 * config/i386/i386.c (output_387_ffreep): Create output from a
324 template string for !HAVE_AS_IX86_FFREEP.
326 2006-10-27 Eric Christopher <echristo@apple.com>
328 * config/darwin.c: Fix formatting and grammar.
330 2006-10-27 Jan Hubicka <jh@suse.cz>
332 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
333 to be thrown away soon when IGNORE is set.
334 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
335 indicating when return value shall not be computed.
336 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
338 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
340 * config/i386/i386.h (TARGET_GEODE):
341 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
342 (TARGET_CPU_DEFAULT_geode): New macro.
343 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
344 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
345 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
346 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
347 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
349 (TARGET_CPU_DEFAULT_NAMES): Add geode.
350 (processor_type): Add PROCESSOR_GEODE.
352 * config/i386/i386.md: Include geode.md.
355 * config/i386/i386.c (geode_cost): New initialized global
357 (m_GEODE, m_K6_GEODE): New macros.
358 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
359 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
360 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
361 x86_schedule): Use m_K6_GEODE instead of m_K6.
362 (x86_movx, x86_cmove): Set up m_GEODE.
363 (x86_integer_DFmode_moves): Clear m_GEODE.
364 (processor_target_table): Add entry for geode.
365 (processor_alias_table): Ditto.
367 * config/i386/geode.md: New file.
369 * doc/invoke.texi: Add entry about geode processor.
371 2006-10-27 Mike Stump <mrs@apple.com>
373 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
374 __DYNAMIC__ from here back to ...
375 * config/darwin.h (CPP_SPEC): ... here.
377 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
378 Nathan Sidwell <nathan@codesourcery.com>
380 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
381 when choosing the minimum heapsize.
383 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
385 * gcc/unwind-dw2.h: Move cfa-related variables into
386 struct frame_state_reg_info to ensure that the CFA is properly
387 handled when executing DW_CFA_{remember,restore}_state.
388 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
389 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
390 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
391 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
392 gcc/config/rs6000/linux-unwind.h,
393 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
394 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
395 Modify to use new cfa_* fields.
397 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
399 * config/s390/s390.c (s390_init_frame_layout): Check positive
402 2006-10-26 Ben Elliston <bje@au.ibm.com>
404 * gimplify.c (get_name): Remove extraneous break.
405 (gimplify_omp_for): Initialise ret with GS_OK.
407 2006-10-25 Steve Ellcey <sje@cup.hp.com>
409 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
410 Add unix98.o to link line.
412 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
415 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
416 Calculate compile-time constants using MPFR.
417 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
418 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
420 2006-10-25 Bob Wilson <bob.wilson@acm.org>
422 * config/xtensa/lib2funcs.S: Use C-style comments.
424 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
426 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
427 (file_table_relative_p): Likewise.
428 (dwarf2out_finish): Likewise.
429 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
431 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
433 * tree-ssa-structalias.c (intra_create_variable_infos):
434 Don't recreate nonlocal_all if it already exists.
436 2006-10-25 Richard Guenther <rguenther@suse.de>
439 * optabs.h (enum optab_index): Remove OTI_lrint.
440 (enum convert_optab_index): Add COI_lrint.
441 (lrint_optab): Adjust.
442 (expand_sfix_optab): Declare.
443 * optabs.c (expand_sfix_optab): New function.
444 (init_optabs): Init lrint_optab as conversion optab.
445 * genopinit.c (lrint_optab): Change to a conversion optab.
446 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
447 expansion via conversion optab.
448 * config/i386/i386.md (*fistdi2_1): Remove
449 flag_unsafe_math_optimizations guard.
450 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
451 fist<mode>2_with_temp): Likewise.
452 (lrint<mode>2): Split into...
453 (lrintxf<mode>2): ... x87 part
454 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
455 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
456 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
457 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
458 * doc/md.texi (lrintMN2): Document.
460 2006-10-25 Uros Bizjak <uros@kss-loka.si>
463 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
464 Use inc and dec instructions for TARGET_USE_INCDEC.
465 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
466 ("sync_double_compare_and_swap<mode>"): Likewise.
467 ("*sync_double_compare_and_swapdi_pic"): Likewise.
468 ("*sync_compare_and_swap_cc<mode>"): Likewise.
469 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
470 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
471 ("sync_old_add<mode>"): Likewise.
472 ("sync_lock_test_and_set<mode>"): Likewise.
473 ("sync_lock_test_and_set<mode>"): Likewise.
474 ("sync_add<mode>"): Likewise.
475 ("sync_sub<mode>"): Likewise.
476 ("sync_ior<mode>"): Likewise.
477 ("sync_and<mode>"): Likewise.
478 ("sync_xor<mode>"): Likewise.
480 2006-10-25 Uros Bizjak <uros@kss-loka.si>
482 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
483 (remainder_optab): Define corresponding macro.
484 (drem_optab): Remove.
485 * optabs.c (init_optabs): Initialize remainder_optab. Remove
486 drem_optab initialization.
487 * genopinit.c (optabs): Implement remainder_optab using
488 remainder?f3 patterns. Remove drem_optab.
489 * builtins.c (expand_builtin_mathfn_2): Handle
490 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
491 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
492 expand_builtin_mathfn_2.
494 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
495 depend on flag_unsafe_math_optimizations.
497 * config/i386/i386.md ("remaindersf3", "remainderdf3")
498 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
499 Do not depend on flag_unsafe_math_optimizations. Use
500 truncxf?f expander instead of truncxf?f_i387_noop.
502 ("fpremxf4", "fprem1xf4"): Do not depend on
503 flag_unsafe_math_optimizations.
504 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
505 flag_unsafe_math_optimizations. Use truncxf?f expander
506 instead of truncxf?f_i387_noop.
508 * doc/md.texi (fmod, remainder): Document standard named pattern.
510 2006-10-24 Richard Sandiford <richard@codesourcery.com>
511 David Daney <ddaney@avtrex.com>
514 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
516 2006-10-25 Ben Elliston <bje@au.ibm.com>
518 * doc/extend.texi (Variable Attributes): Typo fix.
520 2006-10-24 Uros Bizjak <uros@kss-loka.si>
522 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
523 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
524 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
525 (FRAME_POINTER_REGNUM): Update register number to 21.
526 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
527 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
529 * config/i386/i386.c (regclass_map): Add fpcr entry.
530 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
532 (print_reg): Assert REGNO (x) != FPCR_REG.
534 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
535 (DIRFLAG_REG): Renumber.
536 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
537 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
538 (sse_prologue_save, *sse_prologue_save_insn): Renumber
539 hardcoded SSE register numbers.
541 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
542 hardcoded MMX register numbers.
544 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
548 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
550 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
551 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
552 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
553 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
555 2006-10-24 Richard Guenther <rguenther@suse.de>
558 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
559 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
560 for deciding optimizations in consistency with fold-const.c
561 (fold_builtin_unordered_cmp): Likewise.
563 2006-10-24 Richard Guenther <rguenther@suse.de>
565 * builtins.c (fold_builtin_floor): Fold floor (x) where
566 x is nonnegative to trunc (x).
567 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
568 nonnegative to FIX_TRUNC_EXPR.
570 2006-10-24 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/29567
573 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
574 for TRUTH_NOT_EXPR. Clarify comments.
576 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
579 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
580 at compile-time using MPFR. Change parameter VALUE to FUNC,
582 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
583 for overflow and underflow at all times and avoid folding in
586 2006-10-24 Ben Elliston <bje@au.ibm.com>
588 * reload1.c: Formatting fixes.
590 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
592 PR tree-optimization/14784
593 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
594 * tree-ssa-structalias.c (get_constraint_for,
595 intra_create_variable_infos): Set is_heapvar.
596 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
597 non-heapvar pointer variables specially.
599 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
602 * builtins.c (fold_builtin_sin, fold_builtin_cos,
603 fold_builtin_tan): Fold all constant arguments. Take a "type"
604 argument as necessary.
606 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
608 2006-10-23 Bob Wilson <bob.wilson@acm.org>
610 * config/xtensa/lib1funcs.asm: Use C-style comments.
612 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
614 * tree.c (local_define_builtin): Replace calls to
615 lang_hooks.builtin_function with add_builtin_function.
616 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
618 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
620 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
621 common code to add_builtin_function.
622 * langhooks.c (add_builtin_function): New function.
623 (lhd_builtin_function): New function.
624 * langhooks.h (struct lang_hooks): Change the signature of
626 (add_builtin_function): New function.
627 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
628 calls to lang_hooks.builtin_function with add_builtin_function.
629 * c-common.c (decl_builtin_1): Replace calls to
630 lang_hooks.builtin_function with add_builtin_function.
631 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
632 lang_hooks.builtin_function with add_builtin_function.
633 * config/frv/frv.c (def_builtin): Replace calls to
634 lang_hooks.builtin_function with add_builtin_function.
635 * config/s390/s390.c (s390_init_builtins): Replace calls to
636 lang_hooks.builtin_function with add_builtin_function.
637 * config/sparc/sparc.c (def_builtin): Replace calls to
638 lang_hooks.builtin_function with add_builtin_function.
639 * config/i386/i386.c (def_builtin): Replace calls to
640 lang_hooks.builtin_function with add_builtin_function.
641 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
642 lang_hooks.builtin_function with add_builtin_function.
643 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
644 lang_hooks.builtin_function with add_builtin_function.
645 * config/stormy16/stormy16.c (xstormy16_init_builtins):
646 Replace calls to lang_hooks.builtin_function with
647 add_builtin_function.
648 * config/iq2000/iq2000.c (def_builtin):
649 Replace calls to lang_hooks.builtin_function with
650 add_builtin_function.
651 * config/ia64/ia64.c (def_builtin): Replace calls to
652 lang_hooks.builtin_function with add_builtin_function.
653 * config/rs6000/rs6000.c (def_builtin): Replace calls to
654 lang_hooks.builtin_function with add_builtin_function.
655 (altivec_init_builtins): Replace calls to
656 lang_hooks.builtin_function with add_builtin_function.
657 * config/arm/arm.c (def_mbuiltin): Replace calls to
658 lang_hooks.builtin_function with add_builtin_function.
659 (arm_init_tls_builtins): Replace calls to
660 lang_hooks.builtin_function with add_builtin_function.
661 * config/mips/mips.c (mips_init_builtins): Replace calls to
662 lang_hooks.builtin_function with add_builtin_function.
663 * config/bfin/bfin.c (def_builtin): Replace calls to
664 lang_hooks.builtin_function with add_builtin_function.
665 * langhooks-def.h (lhd_builtin_function): New function.
666 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
668 2006-10-23 Jakub Jelinek <jakub@redhat.com>
670 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
671 BUILT_IN_STRNCAT_CHK.
673 2006-10-23 Jan Hubicka <jh@suse.cz>
675 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
676 don't do conversion from memmove to memcpy here.
677 (expand_builtin_bcopy, expand_builtin): Update call of
678 expand_builtin_memmove.
679 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
681 2006-10-23 Paul Brook <paul@codesourcery.com>
683 * stor-layout.c (start_record_layout): maximum_field_alignment
684 overrides STRUCTURE_SIZE_BOUNDARY.
686 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
688 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
689 nonlocal function symbols if flag_pic.
691 2006-10-23 Richard Guenther <rguenther@suse.de>
695 * builtins.c (fold_binary): Remove checks for flag_wrapv
696 and flag_trapv where negate_expr_p covers these cases.
698 2006-10-23 Richard Guenther <rguenther@suse.de>
701 * fold-const.c (fold_plusminus_mult_expr): Check exact power
702 of two on the absolute value.
703 (fold_binary): Fold x * -C to -x * C if x is easily negatable
704 and negating -C does not overflow.
706 2006-10-23 Richard Guenther <rguenther@suse.de>
709 * convert.c (convert_to_real): Fold (float)-x to -(float)x
710 only if not flag_rounding_math.
712 2006-10-22 Richard Sandiford <richard@codesourcery.com>
713 Kaz Kojima <kkojima@gcc.gnu.org>
716 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
717 SImode memory reference for the source of a movua.
718 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
719 (movua): Use an unspec instead of sign_extract. Expect the source
720 to have mode BLKmode.
721 (extv, insv): Use a BLKmode rather than SImode memory reference
722 for the source of a movua.
724 2006-10-22 Jeff Law <law@redhat.com>
725 Richard Guenther <rguenther@suse.de>
727 PR tree-optimization/15911
728 * tree-vrp.c (extract_code_and_val_from_cond): New function.
729 (register_edge_assert_for_1): Likewise.
730 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
731 (find_conditional_asserts): Adjust for new function signature.
732 (find_assert_locations): Likewise.
734 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
736 * config/i386/tmmintrin.h: Remove the duplicated content.
738 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
740 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
741 (x86_64-*-*): Likewise.
743 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
744 (override_options): Check SSSE3.
745 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
746 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
747 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
748 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
749 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
750 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
751 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
752 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
753 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
754 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
755 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
756 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
757 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
758 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
759 IX86_BUILTIN_PABSD128.
760 (bdesc_2arg): Add SSSE3.
761 (bdesc_1arg): Likewise.
762 (ix86_init_mmx_sse_builtins): Support SSSE3.
763 (ix86_expand_builtin): Likewise.
764 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
766 * config/i386/i386.md (UNSPEC_PSHUFB): New.
767 (UNSPEC_PSIGN): Likewise.
768 (UNSPEC_PALIGNR): Likewise.
769 Include mmx.md before sse.md.
771 * config/i386/i386.opt: Add -mssse3.
773 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
774 (ssse3_phaddwv4hi3): Likewise.
775 (ssse3_phadddv4si3): Likewise.
776 (ssse3_phadddv2si3): Likewise.
777 (ssse3_phaddswv8hi3): Likewise.
778 (ssse3_phaddswv4hi3): Likewise.
779 (ssse3_phsubwv8hi3): Likewise.
780 (ssse3_phsubwv4hi3): Likewise.
781 (ssse3_phsubdv4si3): Likewise.
782 (ssse3_phsubdv2si3): Likewise.
783 (ssse3_phsubswv8hi3): Likewise.
784 (ssse3_phsubswv4hi3): Likewise.
785 (ssse3_pmaddubswv8hi3): Likewise.
786 (ssse3_pmaddubswv4hi3): Likewise.
787 (ssse3_pmulhrswv8hi3): Likewise.
788 (ssse3_pmulhrswv4hi3): Likewise.
789 (ssse3_pshufbv16qi3): Likewise.
790 (ssse3_pshufbv8qi3): Likewise.
791 (ssse3_psign<mode>3): Likewise.
792 (ssse3_psign<mode>3): Likewise.
793 (ssse3_palignrti): Likewise.
794 (ssse3_palignrdi): Likewise.
795 (abs<mode>2): Likewise.
796 (abs<mode>2): Likewise.
798 * config/i386/tmmintrin.h: New file.
800 * doc/extend.texi: Document SSSE3 built-in functions.
802 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
804 2006-10-22 Ira Rosen <irar@il.ibm.com>
806 * tree-vect-transform.c (vectorizable_load): Use the type of the
807 return value of the mask_for_load builtin to create realign_load
810 2006-10-22 Richard Sandiford <richard@codesourcery.com>
812 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
815 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
817 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
818 (UNSPEC_LDDQU): This.
819 * config/i386/sse.md (sse3_lddqu): Updated.
821 2006-10-21 Richard Guenther <rguenther@suse.de>
823 * builtins.c (expand_builtin_int_roundingfn_2): New function.
824 (expand_builtin): Use it to expand lrint instead of
825 expand_builtin_mathfn.
827 2006-10-21 Uros Bizjak <uros@kss-loka.si>
830 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
831 flag_unsafe_math_optimizations is set.
833 2006-10-21 Uros Bizjak <uros@kss-loka.si>
836 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
837 patterns to use memory input operand in x87->mem->XMM
838 reload sequences. Skip transformation for TARGET_K8.
840 2006-10-21 Uros Bizjak <uros@kss-loka.si>
842 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
843 force operand1 to register if both operands are memory operands.
844 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
845 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
846 if both operands are memory operands.
847 (truncdfsf2): Do not force operand1 to register if both operands
850 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * Makefile.in (LIBS): Add $(GMPLIBS).
853 * doc/install.texi: Update GMP and MPFR requirements.
854 * doc/sourcebuild.texi (need_gmp): Delete.
856 2006-10-21 Richard Guenther <rguenther@suse.de>
858 PR tree-optimization/3511
859 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
860 got new invariant arguments during PHI translation.
862 2006-10-21 Richard Guenther <rguenther@suse.de>
865 * fold-const.c (fold_comparison): Fold signed comparisons
866 of the form X +- C1 CMP Y +- C2.
868 2006-10-21 Richard Guenther <rguenther@suse.de>
871 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
872 if flag_unsafe_math_optimizations is specified. We have
873 flag_finite_math_only for that.
874 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
875 or flag_unsafe_math_optimizations.
877 2006-10-21 Richard Guenther <rguenther@suse.de>
879 * builtins.c (fold_builtin_classify): Fix typo.
881 2006-10-21 Richard Guenther <rguenther@suse.de>
884 * simplify-rtx.c (simplify_const_relational_operation):
885 Do not constant-fold ORDERED and UNORDERED for
886 flag_unsafe_math_optimizations but only we do not need to
887 honor NaNs for the given mode.
889 2006-10-21 Richard Guenther <rguenther@suse.de>
892 * config/i386/i386.c (classify_argument): Remove redundant
893 walking of the BINFOs.
894 (contains_128bit_aligned_vector_p): Likewise.
896 2006-10-20 Mark Mitchell <mark@codesourcery.com>
898 * BASE-VER: Set to 4.3.0.
900 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
902 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
903 (tree_decl_with_vis): Remove artificial_pta_var flag.
904 * tree-flow.h (referenced_var_check_and_insert): Expose.
905 (nonlocal_all): New prototype.
906 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
907 (nonlocal_all): Make global.
908 (nonlocal_lookup): Remove.
909 (nonlocal_insert): Ditto.
910 (create_nonlocal_var): Do not call nonlocal_insert.
911 (get_nonlocal_id_for_type): Remove.
912 (find_global_initializers): Mark new vars we find for renaming.
913 (intra_create_variable_infos): Only create one nonlocal.
914 (expand_nonlocal_solutions): Remove.
915 (compute_points_to_sets): Don't call it.
916 (ipa_pta_execute): Ditto.
917 (init_alias_heapvars): Don't create nonlocal_for_type.
918 (delete_alias_heapvars): Don't remove it.
919 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
922 2006-10-19 Brooks Moses <bmoses@stanford.edu>
924 * doc/install.texi (Downloading GCC): Clarify mention of
925 Fortran in the "full distribution" description.
927 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
929 Fix PR tree-optimization/28778
930 Fix PR tree-optimization/29156
931 Fix PR tree-optimization/29415
932 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
933 (tree_decl_with_vis): Add artificial_pta_var flag.
934 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
936 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
937 (nonlocal_all): Ditto.
938 (struct variable_info): Add directly_dereferenced member.
939 (var_escaped_vars): New variable.
940 (escaped_vars_tree): Ditto.
941 (escaped_vars_id): Ditto.
942 (nonlocal_vars_id): Ditto.
943 (new_var_info): Set directly_dereferenced.
944 (graph_size): New variable
945 (build_constraint_graph): Use graph_size.
946 (solve_graph): Don't process constraints that cannot change the
947 solution, don't try to propagate an empty solution to our
949 (process_constraint): Set directly_dereferenced.
950 (could_have_pointers): New function.
951 (get_constraint_for_component_ref): Don't process STRING_CST.
952 (nonlocal_lookup): New function.
953 (nonlocal_insert): Ditto.
954 (create_nonlocal_var): Ditto.
955 (get_nonlocal_id_for_type): Ditto.
956 (get_constraint_for): Allow results vector to be empty in the case
958 Handle results of calls properly.
959 (update_alias_info): Update alias info stats on number and type of
961 (find_func_aliases): Use could_have_pointers.
962 (make_constraint_from_escaped): Renamed from
963 make_constraint_to_anything, and changed to make constraints from
965 (make_constraint_to_escaped): New function.
966 (find_global_initializers): Ditto.
967 (create_variable_info_for): Make constraint from escaped to any
968 global variable, and from any global variable to the set of
970 (intra_create_variable_infos): Deal with escaped instead of
971 pointing to anything.
972 (set_uids_in_ptset): Do type pruning on directly dereferenced
974 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
975 (init_base_vars): Fix comment, and initialize escaped_vars.
976 (need_to_solve): Removed.
977 (find_escape_constraints): New function.
978 (expand_nonlocal_solutions): Ditto.
979 (compute_points_to_sets): Call find_escape_constraints and
980 expand_nonlocal_solutions.
981 (delete_points_to_sets): Don't fall off the end of the graph.
982 (init_alias_heapvars): Initialize nonlocal_for_type and
984 (delete_alias_heapvars): Free nonlocal_for_type and null out
987 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
989 * fold-const.c (add_double): Rename to add_double_with_sign.
990 Add 'unsigned_p' parameter and take it into account for the overflow.
991 (mul_double): Rename to mul_double_with_sign.
992 Add 'unsigned_p' parameter and take it into account for the overflow.
993 (fold_div_compare): Call add_double_with_sign instead of add_double
994 and mul_double_with_sign instead of mul_double, passing them the
995 unsignedness of the type.
996 * tree.h (add_double): Macroize.
997 (add_double_with_sign): New prototype.
998 (mul_double): Macroize.
999 (mul_double_with_sign): New prototype.
1001 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1003 * config/score/crti.asm: New file.
1004 * config/score/crtn.asm: New file.
1005 * config/score/elf.h: New file.
1006 * config/score/mac.md: New file.
1007 * config/score/misc.md: New file.
1008 * config/score/mul-div.S: New file.
1009 * config/score/predicates.md: New file.
1010 * config/score/score7.md: New file.
1011 * config/score/score.c: New file.
1012 * config/score/score-conv.h: New file.
1013 * config/score/score.h: New file.
1014 * config/score/score.md: New file.
1015 * config/score/score-mdaux.c: New file.
1016 * config/score/score-mdaux.h: New file.
1017 * config/score/score-modes.def: New file.
1018 * config/score/score.opt: New file.
1019 * config/score/score-protos.h: New file.
1020 * config/score/score-version.h: New file.
1021 * config/score/t-score-elf: New file.
1022 * config.gcc: Add score*-*-* configurations(Update before).
1023 * doc/invoke.texi (Score Options): New section.
1024 * doc/md.texi (Score family): New section to document constraints.
1026 2006-10-19 Nick Clifton <nickc@redhat.com>
1028 * config/arm/arm.c: Fix spelling typo.
1030 2006-10-18 Tom Tromey <tromey@redhat.com>
1032 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1034 2006-10-18 Jan Hubicka <jh@suse.cz>
1037 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1040 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1042 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1043 TSI_SAME_STMT, since that's the desired entity.
1045 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1047 * config/s390/contraints.md: New file.
1048 * config/s390/s390-protos.h (s390_mem_constraint,
1049 s390_O_constraint_str, s390_N_constraint_str,
1050 s390_float_const_zero_p): Function prototypes added.
1051 * config/s390/s390.c (s390_extra_constraint_str,
1052 s390_const_double_ok_for_constraint_p,
1053 s390_const_ok_for_constraint_p): Functions removed.
1054 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1055 s390_float_const_zero_p): New functions.
1056 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1057 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1058 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1059 Macro definitions removed.
1060 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1061 s390_extra_constraint_str): Functions removed.
1063 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1064 Richard Sandiford <richard@codesourcery.com>
1067 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1068 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1070 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1072 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1073 (DWARF2_FRAME_REG_OUT): Likewise.
1074 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1075 (DWARF2_FRAME_REG_OUT): Likewise.
1077 2006-10-17 Paul Brook <paul@codesourcery.com>
1079 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1081 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1083 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1084 Standardize on "GNU Fortran" as the official name of the Fortran
1087 2006-10-16 Mike Stump <mrs@apple.com>
1089 * doc/invoke.texi (Darwin Options): Document -mkernel.
1090 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1092 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1093 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1094 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1095 (OS_MISSING_ALTIVEC): Add.
1096 * config/i386/i386.c (override_options): Add
1097 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1098 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1099 -mkernel, -static or -mdynamic-no-pic is given.
1100 (C_COMMON_OVERRIDE_OPTIONS): Add.
1101 * config/darwin.opt (fapple-kext): Add.
1103 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1104 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1106 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1107 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1108 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1109 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1110 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1111 (flag_mkernel): Add.
1112 (flag_apple_kext): Add.
1113 (TARGET_KEXTABI): Add.
1114 * config/darwin.c (darwin_handle_kext_attribute): Add.
1115 (DARWIN_VTABLE_P): Add.
1116 (darwin_binds_local_p): Add partial support for rebinding vtables
1118 (darwin_kextabi_p): Add.
1119 (darwin_override_options): Add.
1120 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1121 (darwin_kextabi_p): Add.
1122 (darwin_override_options): Add.
1123 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1124 __DYNAMIC__ and __STATIC__ here.
1126 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1128 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1129 Added mention of "make pdf" target, and Texinfo requirements for
1132 2006-10-16 DJ Delorie <dj@redhat.com>
1134 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1135 into the GOT in case we need a subreg of the address.
1137 2006-10-16 Richard Guenther <rguenther@suse.de>
1140 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1141 SSE builtin documentation. Document SSE2 builtins.
1143 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1145 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1146 symbol in the output file for non-shared links when -nostdlib or
1147 -nodefaultlibs isn't specified.
1149 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1150 posix thread support.
1152 2006-10-15 Jan Hubicka <jh@suse.cz>
1155 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1156 declared always_inline even when not inlining.
1158 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1159 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1160 Andrew Pinski <pinskia@gmail.com>
1163 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1165 2006-10-15 Jan Hubicka <jh@suse.cz>
1166 Richard Guenther <rguenther@suse.de>
1169 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1170 process_function_and_variable_attributes on all variables, including
1171 those discovered during cgraph construction phase.
1173 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1175 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1177 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1179 * config/i386/athlon.md (athlon_fist): Add fisttp.
1181 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1182 Ian Lance Taylor <ian@airs.com>
1185 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1186 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1189 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1191 * config/score/score.c, config/score/score.h: Fix comment
1194 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1197 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1200 2006-10-13 Eric Christopher <echristo@apple.com>
1202 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1204 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1207 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1208 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1209 alignment supported by 32-bit ELF.
1211 2006-10-13 Eric Christopher <echristo@apple.com>
1213 * config/darwin.c (darwin_emit_unwind_label): Strip
1214 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1216 2006-10-13 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/29446
1219 * tree-vrp.c (fix_equivalence_set): Remove.
1220 (extract_range_from_assert): Do not call fix_equivalence_set.
1221 (debug_value_range): Print a newline.
1222 (compare_name_with_value): For equivalence sets with
1223 inconsistent value ranges conservatively bail out.
1224 (compare_names): Likewise.
1226 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1228 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1229 and MPFR for gfortran.
1231 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1233 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1234 alignment supported by 32-bit ELF.
1236 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1240 * c-typeck.c (digest_init): Always allow initializing vectors
1241 that have static storage duration with compound literals.
1242 * tree.c (build_type_attribute_qual_variant): New, based on
1243 build_type_attribute_variant.
1244 (build_type_attribute_variant): Rewrite using the former.
1245 (make_vector_type): Use build_type_attribute_qual_variant to build
1246 type variants. Use type_hash_canon on the others.
1248 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1249 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1251 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1253 2006-10-12 Jan Hubicka <jh@suse.cz>
1256 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1257 current_function_decl is set but current_function_scope is not.
1259 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1261 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1262 emit_insn to emit eh_return_internal instruction.
1263 (eh_return_internal): Explicitly set pc.
1265 2006-10-11 Richard Guenther <rguenther@suse.de>
1267 PR tree-optimization/28230
1268 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1269 to the correct place.
1271 2006-10-11 Richard Guenther <rguenther@suse.de>
1274 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1277 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1279 * configure.ac: Added pdf to "Make-hooks"
1280 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1281 targets and *.pdf file patterns in cleanup targets.
1282 * configure: Regenerated.
1284 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1286 * config/avr/predicates.md: New file.
1287 * config/avr/avr.md: Include it.
1288 (REG_SP): New constant.
1289 (peepholes): Use predicates.
1290 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1291 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1292 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1294 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1296 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1299 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1302 * builtins.c (var_decl_component_p): New function.
1303 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1304 single entry optimization to variables and components thereof.
1306 2006-10-10 Richard Guenther <rguenther@suse.de>
1308 PR rtl-optimization/29323
1309 * except.c (set_nothrow_function_flags): For functions
1310 that do not bind local bail out early.
1312 2006-10-10 Ben Elliston <bje@au.ibm.com>
1314 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1317 2006-10-09 Richard Henderson <rth@redhat.com>
1319 Revert emutls patch.
1321 2006-10-09 Richard Guenther <rguenther@suse.de>
1324 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1327 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1330 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1331 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1332 * configure: Regenerate.
1333 * config.in: Regenerate.
1335 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1337 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1339 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1341 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1342 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1343 Remove stray newline.
1345 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1347 * config/mips/mips.c (mips_classify_symbol): Do not return
1348 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1349 (mips_in_small_data_p): Tweak comments.
1351 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1353 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1355 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1357 * gimplify.c, sched-int.h: Fix comment typos.
1359 * sched-int.h: Fix comment typos.
1361 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1363 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1365 * sched-ebb.c (begin_schedule_ready): Use them.
1366 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1367 add_to_speculative_block, create_check_block_twin, speculate_insn,
1368 fix_jump_move, move_block_after_check): Ditto.
1369 * sched-rgn.c (new_ready): Ditto.
1371 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1373 PR rtl-optimization/29128
1374 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1375 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1376 allow interblock movement of speculation checks.
1378 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1381 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1382 casted to integer type.
1383 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1384 if they are significantly more expensive than [reg + index] ones.
1386 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1388 PR tree-optimization/29330
1389 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1390 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1391 on newly allocated ddrs.
1392 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1393 to VEC (loop_p, heap) pointer.
1394 (compute_data_dependences_for_loop): Adjust caller.
1395 (free_dependence_relations): Free DDR_LOOP_NEST.
1397 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1398 free DEPENDENCE_RELATIONS and DATAREFS.
1401 * builtins.c (expand_builtin_sync_operation,
1402 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1403 Use convert_to_mode to handle promoted arguments.
1405 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1407 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1409 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1411 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1413 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1415 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1416 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1417 Use <modeconstraint> instead of "r" as operand 1 constraint.
1419 2006-10-06 Olivier Hainque <hainque@adacore.com>
1421 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1422 Don't recurse on the pointed-to type.
1423 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1424 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1425 types with components of variable size.
1427 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1429 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1431 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1433 PR tree-optimization/29290
1434 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1438 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1439 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1442 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1443 the number of vector elements fill the rest with zeros.
1445 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1447 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1448 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1451 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1453 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1454 unnamed pattern into subsi3. Use correct constraints/predicates.
1455 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1456 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1458 2006-10-05 Ira Rosen <irar@il.ibm.com>
1460 * doc/loop.texi: Add data references analysis description.
1462 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1464 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1466 2006-10-04 Richard Henderson <rth@redhat.com>
1467 Jakub Jelinek <jakub@redhat.com>
1469 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1470 * builtin-types.def (BT_WORD): Make unsigned.
1471 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1472 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1473 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1474 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1475 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1476 * cgraph.c (decide_is_variable_needed): Look at force_output.
1477 Recurse for emulated tls.
1478 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1479 checks redundant with decide_is_variable_needed.
1480 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1481 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1483 * expr.c (emutls_var_address): New.
1484 (expand_expr_real_1): Expand emulated tls.
1485 (expand_expr_addr_expr_1): Likewise.
1486 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1487 * output.h (emutls_finish): Declare.
1488 * toplev.c (compile_file): Call it.
1489 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1490 address before wrapping in CONST.
1491 * varasm.c (emutls_htab, emutls_object_type): New.
1492 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1493 (get_emutls_object_name, get_emutls_object_type): New.
1494 (get_emutls_init_templ_addr, emutls_decl): New.
1495 (emutls_common_1, emutls_finish): New.
1496 (assemble_variable): When emulating tls, swap decls; generate
1497 constructor for the emutls objects.
1498 (do_assemble_alias): When emulating tls, swap decl and target name.
1499 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1501 * emutls.c: New file.
1502 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1503 tls_object for real tls.
1505 2006-10-04 Zack Weinberg <zackw@panix.com>
1507 Fix bug in constraint-check generator, reported by Rask Ingemann
1509 * genpreds.c (add_constraint): Don't remove anything from the
1511 (write_tm_constrs_h): Detect whether "op" argument is used, and
1512 mark it ARG_UNUSED if it isn't.
1513 (write_insn_const_int_ok_for_constraint): Skip the part of the
1514 expression that would test whether "op" (which is not available
1515 here) is a CONST_INT.
1517 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1520 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1522 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1524 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1525 current Leopard versions.
1526 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1528 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1530 * doc/install.texi: Fix typos.
1532 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1534 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1535 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1536 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1538 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1540 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1541 arg to be struct mach_header_64* instead.
1543 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1546 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1547 side effects after the outer expression's post side effects.
1549 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1551 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1552 comments to reflect actual behavior and relationship between
1553 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1555 * doc/c-tree.texi (Working with declarations): Fix documentation
1556 of FIELD_DECL likewise.
1558 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1561 * doc/extend.texi: Add used variable attribute description.
1563 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1566 * c.opt (Woverride-init): New.
1567 * c-opts.c (c_common_post_options): Default warn_override_init to
1569 * c-typeck.c (add_pending_init, output_init_element): Warn for
1570 overriding initializers without side effects.
1571 * doc/invoke.texi (-Woverride-init): Document.
1574 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1576 PR rtl-optimization/28096
1577 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1578 assignment has already been used as a destination earlier in the block.
1580 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1582 * builtins.c (expand_builtin_setjmp): Delete.
1583 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1584 <BUILT_IN_SETJMP_SETUP>: New case.
1585 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1586 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1587 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1588 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1589 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1590 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1591 (lower_function_body): Initialize it to false. If it is set to true
1592 at the end of the processing, emit the setjmp dispatcher.
1593 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1594 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1595 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1596 on the rhs of the assignment.
1597 (lower_builtin_setjmp): New function.
1598 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1599 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1600 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1601 to detect calls that can go to non-local labels. Use specific
1602 helper to create the abnormal edges associated with them.
1603 <MODIFY_EXPR>: Likewise.
1604 (make_abnormal_goto_edges): New function extracted from...
1605 (make_goto_expr_edges): ...here. Call it for computed gotos.
1606 (simple_goto_p): Minor tweak.
1607 (tree_can_make_abnormal_goto): New predicate.
1608 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1609 (tree_purge_dead_abnormal_call_edges): New function.
1610 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1611 (tree_purge_dead_abnormal_call_edges): Likewise.
1612 (make_abnormal_goto_edges): Likewise.
1613 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1614 Purge all dead abnormal edges if the call was in the last statement.
1615 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1616 (execute_fixup_cfg): If there are non-local labels in the function,
1617 scan the basic blocks and split them at calls that can go to non-local
1618 labels or add missing abnormal call edges. Write down the CFG in the
1620 (pass_fixup_cfg): Remove TODO_dump_func flag.
1621 * unwind-sjlj.c: Poison setjmp.
1622 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1623 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1624 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1625 (DONT_USE_BUILTIN_SETJMP): Document it.
1627 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1630 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1631 to 1 when __ppc64__ is defined.
1632 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1634 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1636 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1638 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1639 * config/ia64/unwind-hpux.c: Delete.
1641 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1643 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1644 on the element before gimplifying it, instead of punting if it is of
1647 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1649 * doc/loop.texi: New file.
1650 * doc/gccint.texi: Reference loop.texi.
1651 * Makefile.in (loop.texi): Add.
1653 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1655 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1657 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1658 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1660 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1662 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1664 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1666 * doc/install.texi: Document required versions of GMP and MPFR.
1668 2006-09-27 Paul Brook <paul@codesourcery.com>
1671 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1673 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1675 * reload1.c (alter_reg): Require the alignment of the stack slot to
1676 be at least reg_max_ref_width bytes.
1677 (scan_paradoxical_subregs): Record the largest width in
1680 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1684 * tree-nested.c (struct nesting_info): Added static_chain_added.
1685 (convert_call_expr): Set static_chain_added when adding static
1686 chain. Handle OMP_PARALLEL and OMP_SECTION.
1688 2006-09-25 Matthias Klose <doko@debian.org>
1690 * doc/invoke.texi: Add missing full stop.
1692 2006-09-25 Richard Henderson <rth@redhat.com>
1694 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1695 before cgraph_function_flags_ready.
1697 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1698 Adam Nemet <anemet@caviumnetworks.com>
1700 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1701 determine_common_wider_type): New functions.
1702 (get_computation_aff): Use them to simplify arithmetic between
1703 UBASE and CBASE if they are shortened from the same type.
1705 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1708 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1709 -2147483647 - 1 instead of 0x80000000.
1711 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1713 * flags.h (HONOR_NANS): Fix typo in comment.
1715 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1717 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1719 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1723 * tree.c (merge_attributes, attribute_list_contained): If both
1724 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1726 * c-typeck.c (comptypes_internal): Don't consider aggregates
1727 in different TUs as compatible if there one set of attributes is
1728 not a subset of the other type's attributes.
1729 (composite_type): Try harder not to create a new aggregate type.
1731 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1733 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1734 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1735 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1736 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1737 than replicating condition above.
1738 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1740 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1741 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1742 the linker by default.
1744 2006-09-22 Mike Stump <mrs@apple.com>
1746 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1749 2006-09-22 Richard Guenther <rguenther@suse.de>
1752 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1753 sort of stack variables stable.
1755 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1758 * explow.c (force_reg): Set REG_POINTER flag according to
1761 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1763 PR tree-optimization/28888
1764 * tree-if-conv.c (combine_blocks): Rewritten.
1765 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1766 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1768 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1770 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1773 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1775 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1777 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1779 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1781 2006-09-21 Roger Sayle <roger@eyesopen.com>
1784 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1785 dw_fde_current_label, to be the start of the function, i.e. the same
1786 value as dw_fde_begin.
1788 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1790 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1791 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1792 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1793 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1794 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1795 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1796 (abs<mode>2, neg<mode>2): Likewise.
1797 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1798 (*mips_abs_ps): New define_insn.
1800 2006-09-20 Josh Conner <jconner@apple.com>
1803 * calls.c (expand_call): Allow reuse of structure return stack
1806 2006-09-20 Paul Brook <paul@codesourcery.com>
1808 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1811 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1813 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1814 clean up terminology.
1816 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1819 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1820 with tablejumps in them.
1822 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1825 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1826 wrap it into TARGET_EXPR.
1828 2006-09-20 Eric Christopher <echristo@apple.com>
1830 * config/i386/i386.c (x86_fisttp): Remove.
1831 * config/i386/i386.h (x86_fisttp): Ditto.
1832 (TARGET_FISTTP): Ditto.
1834 2006-09-19 Eric Christopher <echristo@apple.com>
1836 * doc/tm.texi (OBJC_JBLEN): Describe.
1837 * config/i386/darwin.h (OBJC_JBLEN): Define.
1838 * config/rs6000/darwin.h: Ditto.
1840 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1842 PR rtl-optimization/21299
1843 * reload1.c (reload): Purge invalid ASMs in the final pass.
1845 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1848 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1849 pointers as legitimate constants.
1851 2006-09-19 Paul Brook <paul@codesourcery.com>
1854 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1856 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1858 PR tree-optimization/28887
1859 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1860 component parts from the reference.
1861 (gather_memory_references_ref): Record the reference without the
1862 nonaddressable component parts.
1864 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1867 * c-opts.c (c_common_handle_option): Ignore the -std options
1868 if the input language is assembly.
1870 2006-09-17 Ira Rosen <irar@il.ibm.com>
1873 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1875 (ptr_ptr_may_alias_p): Likewise.
1876 (record_record_differ_p): New function.
1877 (base_object_differ_p): Call record_record_differ_p.
1879 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1882 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1883 away for the expr argument.
1885 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1888 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1889 before using it for dumping after vectorizing loops.
1891 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1892 Jack Howarth <howarth@bromo.med.uc.edu>
1895 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1896 skip on error_mark_node.
1897 (rs6000_darwin64_record_arg_recurse): Likewise.
1899 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1901 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1902 * doc/rtl.texi: Remove related documentation.
1904 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1906 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1909 2006-09-15 Jim Wilson <wilson@specifix.com>
1911 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1912 Handle symbol offsets same as they are handled in ia64_expand_move
1915 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1917 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1918 Add forgotten parameter to the fprintf call.
1920 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1922 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1924 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1926 * doc/contrib.texi: Add my entry.
1928 2006-09-15 Nick Clifton <nickc@redhat.com>
1930 * doc/md.texi (Processor pipeline description): Fix typo in
1931 example of how to use the absence_set directive and reword the
1932 description to make it slightly easier to read.
1934 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1936 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1937 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1938 expanding the number of iterations.
1939 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1941 * cfgrtl.c (emit_insn_at_entry): New function.
1942 * rtl.h (emit_insn_at_entry): Declare it.
1943 * integrate.c (emit_initial_value_sets): Use it.
1945 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1947 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1949 (struct loop_work and related VEC declarations): Delete.
1950 (bfin_dump_loops): Print out new member bad.
1951 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1952 (bfin_scan_loop): Don't recurse.
1953 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1954 loops. No longer need to update outer loops if the current one is
1955 found bad. Move some validitiy checks to bfin_discover_loop.
1956 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1957 but changed not to check for nesting. Also changed to use the new bad
1959 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1960 time. Use bitmap based test to discover loop nesting.
1962 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1964 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1967 2006-09-14 Richard Guenther <rguenther@suse.de>
1968 Kazu Hirata <kazu@codesourcery.com>
1970 PR middle-end/28884.
1971 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1972 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1973 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1974 with TARGET_FUNCTION_VALUE.
1976 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1979 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1981 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1983 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1986 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1989 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1992 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1994 * basic_block.h (bb_has_eh_pred): Fix comment.
1996 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1998 * flow.c (calculate_global_regs_live): Invalidate eh registers
1999 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2000 (propagate_block): Handle eh registers as if they were set at basic
2002 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2004 * global.c (global_conflicts): Make eh registers to conflict with
2005 pseudos live at basic block begin.
2006 * basic_block.h (bb_has_eh_pred): New function.
2008 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2010 PR rtl-optimization/28982
2011 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2012 index of a PRE_MODIFY or POST_MODIFY address.
2013 * reload1.c (inc_for_reload): Use find_replacement on the original
2014 base and index registers.
2016 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2018 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2019 for -Os. Update __m128 alignment requirement.
2021 2006-09-13 Jan Hubicka <jh@suse.cz>
2023 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2025 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2027 PR rtl-optimization/28243
2028 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2029 the insn to which the note was originally attached.
2031 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2032 Roger Sayle <roger@eyesopen.com>
2034 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2035 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2036 on platforms that don't use dwarf for debug info.
2038 2006-09-12 Jason Merrill <jason@redhat.com>
2041 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2042 hard_frame_pointer_rtx after using it to update the frame pointer.
2044 2006-09-12 Roger Sayle <roger@eyesopen.com>
2046 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2047 (TARGET_ASM_CLOSE_PAREN): Likewise.
2048 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2049 (TARGET_ASM_CLOSE_PAREN): Likewise.
2051 2006-09-12 Roger Sayle <roger@eyesopen.com>
2054 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2055 frame information for frames larger than 512 Kbytes on Tru64 when
2056 using the native assembler.
2058 2006-09-12 Roger Sayle <roger@eyesopen.com>
2062 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2063 and symbols. Instead use the implementation from cse.c's hash_rtx.
2065 2006-09-12 Jan Hubicka <jh@suse.cz>
2067 PR rtl-optimization/28071
2068 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2069 (vect_transform_loop): Likewise.
2070 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2071 (new_loop_vec_info): Likewise.
2072 (destroy_loop_vec_info): Likewise.
2073 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2074 (create_stmt_ann): Likewise.
2075 (create_tree_ann): Rename to ...
2076 (create_tree_common_ann): ... this one; allocate only the common part
2078 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2079 (get_value_handle): Likewise.
2080 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2081 get_tree_common_ann.
2082 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2083 (vinfo_for_stmt): Use stmt annotations.
2084 * tree-flow.h (tree_ann_common_t): New type.
2085 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2086 (tree_ann, get_tree_ann, create_tree_ann): New.
2087 * tree-flow-inline.h (get_function_ann): Do more type checking.
2088 (stmt_ann): Likewise.
2089 (tree_ann): Rename to ...
2090 (tree_common_ann): ... this one; return ony common_ann
2091 (get_tree_ann): Rename to ...
2092 (tree_common_ann): This one; return only common_ann.
2093 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2096 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2098 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2099 with_cpu by default.
2101 * dwarf2out.c (dwarf_file_data): New.
2102 (enum dw_val_class): Add dw_val_class_file.
2103 (struct dw_val_struct): Add val_file.
2104 (file_table): Change to a hash table.
2105 (file_table_emitted): Delete.
2106 (file_table_last_lookup_index): Delete.
2107 (emitcount): Delete.
2108 (last_emitted_file): New.
2109 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2110 (init_file_table): Delete.
2111 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2112 (AT_addr): Add comment.
2116 (print_die): Handle dw_val_class_file.
2117 (print_dwarf_line_table): Update for new file table structure.
2118 (attr_checksum): Do checksum a filename.
2119 (same_dw_val_p, same_attr_p): Do compare a filename.
2120 (size_of_die): Handle dw_val_class_file.
2121 (value_format): Likewise.
2122 (output_die): Likewise. Also, call maybe_emit_file here.
2123 (struct file_info): Constify filenames. Make file_idx a pointer
2124 to a struct dwarf_file_data.
2125 (struct dir_info): Constify directory names. Remove 'used' field.
2126 (struct file_name_acquire_data): New.
2127 (file_name_acquire): New.
2128 (output_file_names): Modify to handle new file data structures.
2129 (add_src_coords_attributes): Use add_AT_file.
2130 (add_call_src_coords_attributes): Likewise.
2131 (dwarf2out_imported_module_or_decl): Likewise.
2132 (gen_subprogram_die): Modify for new file data structures.
2133 (gen_variable_die): Likewise.
2134 (file_table_eq): New.
2135 (file_table_hash): New.
2136 (file_table_last_lookup): New.
2137 (lookup_filename): Rewrite to handle new file data structures.
2138 (maybe_emit_file): Rewrite to handle new file data structures.
2139 (dwarf2out_source_line): Always call lookup_filename and
2141 (dwarf2out_init): Create file_table here.
2142 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2143 (file_table_relative_p): New.
2144 (dwarf2out_finish): Change detection of relative filenames
2145 to work with new file data structures. Move output_line_info call
2146 after debug_info output.
2148 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2153 * config/i386/i386.c (override_options): Always default to 16
2154 byte stack boundary.
2156 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2159 * var-tracking.c (dump_dataflow_set): Start dumping at
2161 (clobber_variable_part): Kill only the variable part in
2162 registers holding it, leaving other variables alone.
2164 2006-09-11 Josh Triplett <josh@freedesktop.org>
2166 * doc/extend.texi (Other Builtins): Actually use the macro
2167 argument in the documentation example for
2168 __builtin_types_compatible_p.
2170 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2172 PR rtl-optimization/28726
2173 * sched-deps.c (sched_analyze_reg): New function extracted from...
2174 (sched_analyze_1): ...here. Call it to analyze references to
2175 registers. Treat again writes to a stack register as writing to the
2177 (sched_analyze_2): ...and here. Call it to analyze references to
2178 registers. Treat again reads of a stack register as reading the
2181 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2182 David Edelsohn <edelsohn@gnu.org>
2185 * config/rs6000/spe.md (frob_df_di): Remove %H.
2186 (frob_di_df): Remove %H. Change evmergelo to mr.
2187 (frob_di_df_2): Remove %H. Change evldd to two loads.
2189 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2191 * doc/cpp.texi: Fix names of charset options.
2193 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2196 * config/i386/i386.c (override_options): Use 128-bit
2197 stack boundary always for 64bits.
2199 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2201 PR rtl-optimization/28636
2202 * combine.c (force_to_mode): Test for side-effects before
2203 substituting by zero.
2204 (simplify_shift_const): Likewise for zero or other constants.
2206 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2209 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2212 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2215 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2216 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2217 returned by mode_for_size, rather than the mode of src itself,
2218 to choose between 32-bit and 64-bit patterns.
2219 (mips_mem_fits_mode_p): New function.
2220 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2221 that the size of the source matches the size of the destination.
2222 (mov_<store>l, mov_<store>r): Likewise.
2224 2006-09-10 Eric Christopher <echristo@apple.com>
2226 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2229 2006-09-09 Eric Christopher <echristo@apple.com>
2232 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2235 2006-09-09 Roger Sayle <roger@eyesopen.com>
2236 Nicolas Setton <setton@adacore.com>
2238 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2240 2006-09-10 Andreas Schwab <schwab@suse.de>
2242 * config/m68k/m68k.md (bungt_rev): New pattern.
2244 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2245 Dale Johannesen <dalej@apple.com>
2248 * regclass.c (struct reg_pref): Update documentation.
2249 (regclass): Set prefclass to NO_REGS if memory is the best option.
2250 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2252 2006-09-08 Eric Christopher <echristo@apple.com>
2254 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2255 * config/t-slibgcc-darwin: Support x86_64 multilib.
2256 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2257 Return 1 for x86_64-darwin.
2258 * config/i386/t-darwin: Add m64 multilib.
2259 (LIB2_SIDITI_CONV_FUNCS): Use.
2260 (LIB2FUNCS_EXTRA): Ditto.
2261 * config/i386/darwin.h: Support x86_64.
2262 * config/i386/i386.c (override_options): Turn on flag_pic
2263 for x86_64-darwin. Disable flag_omit_pointer.
2264 (get_pc_thunk_name): Assert !TARGET_64BIT.
2265 (legitimate_address_p): Disable machopic addressing for
2267 (legitimize_pic_address): Ditto.
2268 (ix86_expand_move): Ditto.
2269 (ix86_expand_call): Ditto.
2270 (machopic_output_stub): Ditto.
2271 * config/darwin.c (machopic_select_section): Support literal16.
2272 (machopic_select_rtx_section): Ditto.
2273 * config/darwin-sections.def: Ditto.
2274 * config/darwin-64.c: New.
2276 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2279 * c-tree.h (struct c_arg_info): Add pending_sizes.
2280 * c-parser.c (c_parser_parms_declarator,
2281 c_parser_parms_list_declarator): Initialize pending_sizes.
2282 * c-decl.c (get_parm_info): Initialize pending_sizes.
2283 (get_parm_info): Set pending_sizes.
2284 (grokdeclarator): Call put_pending_sizes for parameters for
2285 function definition only.
2287 2006-09-07 Jason Merrill <jason@redhat.com>
2290 * varasm.c (output_constant): Only strip actual no-op conversions.
2293 * config/i386/i386.c (override_options): Use 128-bit
2294 stack boundary if -msse.
2296 2006-09-07 Eric Christopher <echristo@apple.com>
2298 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2300 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2303 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2305 * dwarf2out.c: Remove strange characters from comment above
2306 dwarf2out_frame_debug_expr.
2308 2006-09-07 Eric Christopher <echristo@apple.com>
2310 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2311 * config/darwin.h: ... to here.
2313 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2315 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2317 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2318 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2320 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2321 TARGET_PARTIAL_FLAG_REG_STALL.
2322 (*ashldi3_cconly_rex64): Likewise.
2323 (*ashlsi3_cmp): Likewise.
2324 (*ashlsi3_cconly): Likewise.
2325 (*ashlsi3_cmp_zext): Likewise.
2326 (*ashlhi3_cmp): Likewise.
2327 (*ashlhi3_cconly): Likewise.
2328 (*ashlqi3_cmp): Likewise.
2329 (*ashlqi3_cconly): Likewise.
2330 (*ashrdi3_cmp_rex64): Likewise.
2331 (*ashrdi3_cconly_rex64): Likewise.
2332 (*ashrsi3_cmp): Likewise.
2333 (*ashrsi3_cconly): Likewise.
2334 (*ashrsi3_cmp_zext): Likewise.
2335 (*ashrhi3_cmp): Likewise.
2336 (*ashrhi3_cconly): Likewise.
2337 (*ashrqi3_cmp): Likewise.
2338 (*ashrqi3_cconly): Likewise.
2339 (*lshrdi3_cmp_rex64): Likewise.
2340 (*lshrdi3_cconly_rex64): Likewise.
2341 (*lshrsi3_cmp): Likewise.
2342 (*lshrsi3_cconly): Likewise.
2343 (*lshrsi3_cmp_zext): Likewise.
2344 (*lshrhi3_cmp): Likewise.
2345 (*lshrhi3_cconly): Likewise.
2346 (*lshrqi2_cmp): Likewise.
2347 (*lshrqi2_cconly): Likewise.
2349 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2352 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2353 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2354 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2355 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2356 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2357 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2358 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2359 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2360 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2361 implement only CC setting effects of shift instructions.
2363 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2365 * doc/contrib.texi: Add myself.
2367 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2370 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2371 was set by the user.
2373 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2376 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2377 (divsi_inv_m1): Use them.
2378 (UNSPEC_DIV_INV_TABLE): New constant.
2380 2006-09-06 James E Wilson <wilson@specifix.com>
2383 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2384 then call count_or_remove_death_notes.
2386 2006-09-06 Jason Merrill <jason@redhat.com>
2389 * tree-inline.c (copy_result_decl_to_var): New fn.
2390 (declare_return_variable): Use it. Call declare_inline_vars here.
2391 (expand_call_inline): Not here.
2393 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2395 * doc/contrib.texi: Update my entry.
2397 2006-09-06 Nick Clifton <nickc@redhat.com>
2399 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2401 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2404 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2405 (canonicalize_induction_variables): Likewise.
2406 (tree_unroll_loops_completely): Likewise.
2407 (tree_ssa_prefetch_arrays): Likewise.
2408 (remove_empty_loops): Likewise.
2409 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2410 TODO_cleanup_cfg instead of directly calling
2411 cleanup_tree_cfg_loop.
2412 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2414 (tree_unroll_loops_completely): Likewise.
2415 (remove_empty_loops): Likewise.
2416 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2417 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2418 of tree_ssa_unswitch_loops.
2419 (tree_ssa_loop_ivcanon): Use the return value of
2420 canonicalize_induction_variables.
2421 (tree_ssa_empty_loop): Use the return value of
2423 (tree_complete_unroll): Use the return value of
2424 tree_unroll_loops_completely.
2425 (tree_ssa_loop_prefetch): Use the return value of
2426 tree_ssa_prefetch_arrays.
2427 * passes.c (execute_todo): Before Cleanup CFG, set
2428 updating_used_alone and after cleanup CFG, call
2429 recalculate_used_alone.
2431 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2434 * tree-vect-transform.c (vectorizable_condition): Move the check
2435 for the type after the check for simple condition.
2437 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2438 Kaz Kojima <kkojima@gcc.gnu.org>
2441 * mode-switching.c (optimize_mode_switching): Make the destination
2442 block of an abnormal edge have no anticipatable mode. Don't
2443 insert mode switching code at the end of the source block of
2446 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2448 PR rtl-optimization/26847
2449 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2450 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2451 (simplify_plus_minus): Count n_constants while filling ops. Replace
2452 qsort with insertion sort. Before going through the array to simplify
2453 pairs, sort it. Delay early exit until after the first sort, exiting
2454 only if no swaps occurred. Simplify pairs in reversed order, without
2455 special-casing the first iteration. Pack ops after simplifying pairs.
2457 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2459 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2460 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2461 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2462 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2464 2006-09-05 Richard Guenther <rguenther@suse.de>
2466 PR tree-optimization/28900
2467 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2468 compound conditional before creating COND_EXPR condition.
2470 2006-09-05 Richard Guenther <rguenther@suse.de>
2472 PR tree-optimization/28905
2473 * tree-vrp.c (fix_equivalence_set): Manually implement
2474 !value_ranges_intersect_p to also handle symbolic ranges.
2476 2006-09-05 Richard Guenther <rguenther@suse.de>
2479 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2482 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2484 PR rtl-optimization/27616
2485 * cse.c (table_size): New static variable.
2486 (new_basic_block): Initialize it to 0.
2487 (remove_from_table): Decrement it.
2488 (insert): Increment it.
2489 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2490 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2491 fold_rtx_mem_1 if under the cap.
2492 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2493 the lookup of the equivalent expression and test for equality of the
2494 first operand of the equivalent expression before in turn looking up
2495 an equivalent constant for the second operand.
2497 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2500 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2501 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2502 pointer, instead of assuming it is possible to derive the
2503 correct args size from a call insn.
2505 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2508 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2509 (fold_builtin_mempcpy): Rename to...
2510 (fold_builtin_memory_op): ... this. Optimize one element copy
2512 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2514 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2515 (expand_builtin_memcpy, expand_builtin_mempcpy,
2516 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2517 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2518 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2519 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2521 2006-09-01 DJ Delorie <dj@redhat.com>
2523 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2524 (stzx_16): Likewise.
2525 ("stzx_24_<mode>"): Likewise.
2526 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2527 ("cmp<mode>_op"): New.
2528 (cmp<mode>): Change to expander; just save operands.
2530 (b<code>): Change to expander, emit compare here.
2531 (s<code>_op): Change to use split and expander.
2532 (s<code>_24_op): Likewise.
2533 (s<code>_<mode>): New.
2534 (s<code>_<mode>_24): New.
2535 (movqicc_<code>_<mode): New.
2536 (movhicc_<code>_<mode>): New.
2539 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2540 (m32c_pend_compare): New.
2541 (m32c_unpend_compare): New.
2542 (m32c_expand_scc): New.
2543 (m32c_expand_movcc): Emit the compare also.
2544 * config/m32c/predicates.md (mra_nopp_operand): New.
2546 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2547 Richard Guenther <rguenther@suse.de>
2548 Adam Nemet <anemet@caviumnetworks.com>
2551 * builtins.c (get_pointer_alignment): Handle more forms
2552 of base addresses that can be used to derive more precise
2553 information about alignment.
2555 2006-09-01 Jason Merrill <jason@redhat.com>
2558 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2561 * gimplify.c (voidify_wrapper_expr): Handle null type.
2563 2006-09-01 Josh Conner <jconner@apple.com>
2566 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2567 (execute_return_slot_opt): Use it.
2569 2006-08-31 Josh Conner <jconner@apple.com>
2572 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2573 returning aggregates.
2575 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2577 PR tree-optimization/28839
2578 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2579 blocks in that phi arguments appear.
2581 2006-08-31 Roger Sayle <roger@eyesopen.com>
2584 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2585 NULL, otherwise use an advance_loc4 to adjust relative to the
2587 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2588 (dwarf2out_switch_text_section): Reset the current label to avoid
2589 using advance_loc4 over section boundaries.
2591 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2594 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2595 r12 + SYMBOLIC_CONST.
2597 2006-08-30 Richard Guenther <rguenther@suse.de>
2599 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2601 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2603 PR rtl-optimization/27735
2604 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2605 Add new argument to keep track of whether an irreducible region
2606 was affected. All callers changed.
2607 (fix_irreducible_loops): Removed.
2608 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2609 flags were invalidated.
2611 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2613 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2614 instead of SF operands.
2615 (*fop_df_comm_sse): Likewise.
2616 (*fop_df_comm_i387): Likewise.
2617 (*fop_df_1_mixed): Likewise.
2618 (*fop_df_1_sse): Likewise.
2620 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2621 J"orn Rennecke <joern.rennecke@st.com>
2623 PR tree-optimization/17506
2624 * tree-ssa.c (warn_uninit): If warning about a location outside of
2625 the current function, note where the variable was declared.
2627 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2629 PR tree-optimization/28411
2630 * double-int.c (double_int_div): Use double_int_divmod.
2631 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2632 double_int_mod, double_int_smod, double_int_umod): New functions.
2633 * double-int.h (double_int_divmod, double_int_sdivmod,
2634 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2636 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2638 (get_computation_aff, get_computation_cost_at): Handle double_int
2639 return type of constant_multiple_of.
2641 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2644 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2645 an implicit conversion.
2647 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2649 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2651 2006-08-27 Roger Sayle <roger@eyesopen.com>
2653 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2656 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2658 * config/i386/crtfastmath.c: Fix a comment typo.
2660 2006-08-26 Roger Sayle <roger@eyesopen.com>
2662 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2663 temporary visit flags on CASE_LABEL_EXPRs.
2664 * c-common.c (match_case_to_enum): Add function comment. Avoid
2665 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2666 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2667 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2668 a constant, only warn if that constant value isn't handled.
2670 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2673 * input.h (restore_input_file_stack): Declare.
2674 (INPUT_FILE_STACK_BITS): Define.
2675 * toplev.c (fs_p, input_file_stack_history,
2676 input_file_stack_restored, restore_input_file_stack): New.
2677 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2678 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2679 (pop_srcloc): Don't free old state of stack.
2681 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2684 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2685 (PowerPC Type Attributes): New.
2687 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2689 * config/xtensa/xtensa.c (function_arg_boundary): New.
2690 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2692 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2693 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2695 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2698 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2701 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2703 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2704 (verify_local_live_at_start): Likewise.
2706 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2709 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2710 omp_add_variable): Treat sizes as variable whenever not
2713 2006-08-26 Richard Guenther <rguenther@suse.de>
2716 * fold-const.c (fold_binary): Fold temporary to correct
2717 type before constructing new comparison.
2719 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2722 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2723 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2725 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2728 * c-decl.c (start_function): Don't try to process prototype
2729 information from old declaration that isn't a function.
2731 2006-08-25 Jan Hubicka <jh@suse.cz>
2734 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2736 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2739 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2742 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2744 PR tree-optimization/16876
2745 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2746 exit if PARM doesn't match VALUE.
2748 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2750 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2751 literal_prefix directive.
2752 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2753 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2754 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2756 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2759 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2760 predicate to general_operand. Add 0->y and I->r alternatives.
2762 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2764 * doc/tm.texi: Fix a typo.
2765 * predict.c: Fix comment typos.
2767 2006-08-25 Nick Clifton <nickc@redhat.com>
2769 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2770 assertions of "cpu" and "machine".
2772 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2775 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2776 the access through a base which has an alias set of 0 cannot
2779 2006-08-24 Bill Wendling <wendling@apple.com>
2781 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2783 2006-08-24 Jan Hubicka <jh@suse.cz>
2785 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2787 2006-08-24 Jan Hubicka <jh@suse.cz>
2790 * cgraph.c: Fix comments.
2791 (cgraph_varpool_mark_needed_node): Mark only variables not already
2793 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2794 (cgraph_varpool_assembled_nodes_queue): New static variable.
2795 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2796 (cgraph_varpool_output_debug_info): New function.
2797 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2798 * Makefile.in: Add gt-cgraphunit.h
2800 2006-08-24 Jan Hubicka <jh@suse.cz>
2802 * predict.c (probability_reliable_p): New predicate.
2803 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2804 (predict_loops): Do not predict loop exit with less than 2%
2806 * basic-block.h (edge_probability_reliable_p,
2807 br_prob_note_reliable_p): Declare.
2808 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2809 prediction when static predictor is not reliable.
2810 * rs6000.c (output_cbranch): Likewise.
2812 2006-08-23 Stuart Hastings <stuart@apple.com>
2815 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2816 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2818 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2821 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2822 complex values, nor for generic vector values.
2824 2006-08-22 Richard Guenther <rguenther@suse.de>
2827 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2828 parameter. Convert arguments to arithmetic expression to the
2830 (analyze_scalar_evolution_1): Adjust caller.
2832 2006-08-22 Jan Hubicka <jh@suse.cz>
2834 Patch by Paolo Bonzini
2835 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2838 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2840 PR tree-optimization/28003
2841 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2842 before grouping aliases.
2844 2006-08-22 Roger Sayle <roger@eyesopen.com>
2846 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2847 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2849 2006-08-21 Jason Merrill <jason@redhat.com>
2852 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2853 wrapper. Loop to handle nested wrappers.
2854 (gimplify_bind_expr): Remove temp parameter.
2855 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2856 and STATEMENT_LIST on the rhs.
2857 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2858 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2859 (gimplify_target_expr): Remove special BIND_EXPR handling.
2861 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2863 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2866 2006-08-21 Olivier Hainque <hainque@adacore.com>
2868 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2869 Arrange for the temporary captures of components overlapping the lhs
2870 to happen before the lhs is possibly cleared.
2872 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2874 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2875 necessary places to pass the correct "number of registers" values
2878 2006-08-20 Jan Hubicka <jh@suse.cz>
2880 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2881 (create_name_tags): Instead of quadratic checking use hashtable.
2882 * bitmap.h: Include hashtab.h.
2883 (bitmap_hash): Declare.
2884 * bitmap.c (bitmap_hash): New function.
2886 2006-08-20 Jan Hubicka <jh@suse.cz>
2888 PR rtl-optimization/28071
2889 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2891 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2892 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2893 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2894 cgraph_decide_inlining_incrementally): Update use of
2895 cgraph_check_inline_limits.
2896 * cgraph.c (edge_hash, edge_eq): New function.
2897 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2898 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2899 cgraph_remove_node): Maintain call site hash.
2900 * cgraph.h (struct cgraph_node): Add call_site_hash.
2901 (cgraph_set_call_stmt): New function.
2903 2006-08-20 Jan Hubicka <jh@suse.cz>
2905 PR rtl-optimization/28071
2906 * reload1.c (reg_has_output_reload): Turn into regset.
2907 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2908 choose_reload_regs, emit_reload_insns): Update to new
2909 reg_has_output_reload.
2911 2006-08-20 Jan Hubicka <jh@suse.cz>
2914 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2915 function body sizes.
2916 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2918 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2921 * tree.c (handle_dll_attribute): Return early if not a
2922 var or function decl.
2924 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2927 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2928 alignment of SPE vector types.
2930 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2932 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2934 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2937 * cgraph.h (struct cgraph_node): Remove externally_visible
2939 * cgraphunit.c (process_function_and_variable_attributes): Set
2940 local.externally_visible rather than externally_visible.
2943 * c-common.c (handle_externally_visible_attribute): First look
2944 at TREE_CODE and only if it is function or var decl, check for
2945 non-public objects. Don't warn for DECL_EXTERNAL.
2946 * cgraphunit.c (process_function_and_variable_attributes): Warn
2947 if externally_visible attribute is used on non-public object.
2949 2006-08-17 Jan Hubicka <jh@suse.cz>
2951 PR tree-optimization/27865
2952 * reload1.c (forget_marked_reloads): New function.
2953 (forget_old_reloads_1): When data are passed, just mark the registers
2955 (reload_as_needed): Use the new mechanizm.
2957 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2960 * reload.h (reg_equiv_alt_mem_list): New declaration.
2961 * reload1.c (reg_equiv_alt_mem_list): New definition.
2962 (reload): Initialize it and release it.
2963 (delete_output_reload): Use it.
2964 * reload.c (push_reg_equiv_alt_mem): New function.
2965 (find_reloads_toplev): Call it.
2966 (find_reloads_address, find_reloads_address_1): Likewise.
2967 (find_reloads_subreg_address): Likewise.
2969 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2971 PR rtl-optimization/28489
2972 * sched-ebb.c (begin_schedule_ready): Create basic block
2974 (advance_target_bb): Skip empty blocks.
2975 * haifa-sched.c (bb_note): Make global.
2976 * sched-int.h (bb_note): Add prototype.
2978 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR tree-optimization/27865
2981 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2983 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2984 fold_used_pointer, pointer_used_p): New functions.
2985 (analyze_scalar_evolution_1): Use fold_used_pointer.
2986 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2987 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2990 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2993 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2994 or the INTEGER_CST. Fail on a CALL_EXPR.
2995 (fold_offsetof): Pass new argument to fold_offsetof_1.
2996 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2997 operand into an INDIRECT_REF.
2998 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3000 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3002 PR gcov/profile/26570
3003 * value-prof.c (static_values): Removed.
3004 (tree_find_values_to_profile): Do not set static_values.
3005 (find_values_to_profile): Do not free static_values.
3006 * profile.c (instrument_values): Do not free the values.
3007 (branch_prob): Free the values.
3009 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3011 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3013 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3016 * c-typeck.c (build_component_ref): Combine qualifiers of
3017 structure or union and field.
3019 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3021 PR rtl-optimization/28071
3022 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3023 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3024 * tree-into-ssa.c (struct dom_dfsnum): New.
3025 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3027 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3028 compute_global_livein.
3029 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3030 in phi nodes in the correct blocks.
3032 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3034 PR tree-optimization/28364
3035 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3037 (fold_affine_expr): New function.
3038 (may_eliminate_iv): Use fold_affine_expr.
3040 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3046 2006-08-16 Mike Stump <mrs@apple.com>
3048 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3049 * doc/cppopts.texi (-MD): Likewise.
3051 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3054 * c-common.c (handle_weak_attribute): Ignore and warn if
3055 not a FUNCTION_ or VAR_DECL.
3057 2006-07-15 Mike Stump <mrs@apple.com>
3060 * c-parser.c (c_parser_typeof_specifier): Don't use
3061 c_finish_expr_stmt, open code desired semantics instead.
3063 2006-08-15 Nick Clifton <nickc@redhat.com>
3065 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3066 fragment to tmake_file only if threads are enabled.
3067 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3068 * config/i386/t-gthr-win32: New file. ... here.
3070 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3073 * c-parser.c (c_parser_compound_statement_nostart): Reset
3074 parser->error after each statement.
3076 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3079 * omp-low.c (lower_omp_parallel): Convert t to
3080 receiver_decl's type.
3081 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3082 source before comparison.
3085 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3086 to itype in assignment to oldival2.
3088 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3092 * c-typeck.c (build_compound_expr): If the second expression
3093 is an error mark, then just return an error mark instead of
3094 creating a COMPOUND_EXPR.
3096 2006-07-14 Mike Stump <mrs@apple.com>
3098 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3100 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3102 * c-decl.c, var-tracking.c: Fix comment typos.
3104 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3106 PR rtl-optimization/28634
3107 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3108 for floating-point modes unless flag_unsafe_math_optimizations.
3110 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3111 Andrew Pinski <pinskia@physics.uc.edu>
3114 * tree.c (build_array_type): Unify array types with
3115 unspecified index_type.
3116 * c-decl.c (grokdeclarator): Make sure we do not modify a
3117 unified incomplete array type.
3118 * c-typeck.c (store_init_value): Create distinct type before
3119 filling in the index type in an initializer from a compound
3122 * c-decl.c (grokdeclarator): Remove code where we copy the
3125 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3127 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3128 into account for TODO_dump_cgraph.
3129 (TODO_update_ssa_no_phi): Likewise.
3130 (TODO_update_ssa_full_phi): Likewise.
3131 (TODO_update_ssa_only_virtuals): Likewise.
3132 (TODO_remove_unused_locals): Likewise.
3133 (TODO_set_props): Likewise.
3134 (TODO_update_stmt_usage): Likewise.
3136 2006-08-13 Dirk Mueller <dmueller@suse.de>
3138 * c-common.c (strict_aliasing_warning): Fix formatting.
3140 2006-08-13 Matthias Klose <doko@debian.org>
3142 * doc/invoke.texi: Fix spelling errors.
3144 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3146 PR rtl-optimization/23454
3147 * reorg.c (relax_delay_slots): Update comment.
3149 2006-08-11 Richard Guenther <rguenther@suse.de>
3152 * simplify-rtx.c (simplify_const_relational_operation):
3153 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3156 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3158 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3159 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3161 2006-08-10 Paul Brook <paul@codesourcery.com>
3163 * final.c (final_scan_insn): Clear current_insn_predicate before
3164 outputting inline asm.
3166 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3168 PR tree-optimization/26197
3169 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3170 get_ref_base_and_extent and overlap_subvar to add only relevant
3171 subvars as may-aliases.
3172 (add_may_alias_for_new_tag): New function, factored out of
3174 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3175 with additional argument.
3176 * tree-flow.h (new_type_alias): Takes additional argument.
3178 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3180 * gcov.c (no_data_file): New flag.
3181 (read_count_file): Set it if data file not present. Assume counts
3183 (output_lines): Don't name the data file, if there wasn't one.
3185 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3187 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3188 (rs6000_generate_compare): Tweak comments.
3189 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3191 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3193 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3194 (var_debug_decl): New function.
3195 (var_reg_set): Follow debug decl link. Add location even if
3196 reg is already known to hold some other variable.
3197 (var_mem_set): Follow debug decl link.
3198 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3199 decl link. Delete other known locations of the variable part
3201 (var_reg_delete, var_mem_delete): Delete other known locations
3202 of the variable part if requested.
3203 (same_variable_part_p): New function.
3204 (add_stores): Select MO_COPY when appropriate.
3205 (vt_initialize): Handle it.
3206 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3207 known locations for MO_SET and MO_CLOBBER.
3208 (find_variable_location_part): New function.
3209 (set_variable_part, delete_variable_part): Use it.
3210 (clobber_variable_part): New function.
3211 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3214 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3216 PR tree-optimization/26969
3217 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3218 with an empty list of PHIs.
3220 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3224 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3227 2006-08-06 Andreas Schwab <schwab@suse.de>
3229 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3230 string. Whitespace and comment fixup.
3232 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3235 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3239 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3242 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3244 2006-08-04 Jan Hubicka <jh@suse.cz>
3248 * reload.c (push_reload): Patch out the mismatching instruction;
3250 (find_reload): Bail out if the instruction was patched out.
3252 2006-08-04 Jan Hubicka <jh@suse.cz>
3254 PR tree-optimization/24888
3255 * tree-inline.c (expand_call_inline): Do not re-record variables.
3256 (declare_inline_vars): Add variable to unexpanded_var_list.
3258 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3259 Roger Sayle <roger@eyesopen.com>
3261 PR rtl-optimization/26244
3262 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3263 inner_const are negative or greater than or equal to the bitsize of
3264 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3265 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3266 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3267 CONST0_RTX (mode) when the new shift count is greater than or equal to
3268 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3271 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3273 * tree-cfg.c: Fix a comment typo.
3275 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3278 * varasm.c (output_constant): Give the front end another chance to
3279 expand constants, after stripping NOPs.
3281 2006-08-03 Jan Hubicka <jh@suse.cz>
3283 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3286 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3288 PR tree-optimization/27770
3289 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3290 declaration removed (moved to tree-flow.h).
3291 (vect_can_force_dr_alignment_p): Likewise.
3292 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3293 (moved from tree-vectorizer.h).
3294 (vect_can_force_dr_alignment_p): Likewise.
3295 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3296 from outside the vectorizer - in particular from cgraph stage.
3297 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3298 the alignment of global arrays when -fsection-anchors is enabled.
3299 * cgraphunit.c (cgraph_increase_alignment): New function.
3300 (cgraph_optimize): Call cgraph_increase_alignment.
3302 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3305 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3306 not reload a SPE symbol_ref into a lo_sum address.
3308 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3311 * dwarf2out.c (prune_unused_types_prune): Move call to
3312 prune_unused_types_update_strings to cover the parent DIE also.
3314 2006-08-02 Jan Hubicka <jh@suse.cz>
3316 PR gcov/profile/28480
3317 * tree-cfg.c (change_bb_for_stmt): New function.
3318 (tree_merge_blocks, tree_split_blocks): Use it.
3320 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3326 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3327 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3328 (cgraph_optimize): Likewise.
3330 2006-08-01 Stuart Hastings <stuart@apple.com>
3332 * rtl.h (UINTVAL) New.
3333 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3334 * testsuite/gcc.dg/20060801-1.c: New.
3336 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3339 * c-typeck.c (build_external_type): Mark used enum types.
3340 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3342 (gen_subprogram_die): Whitespace fix.
3344 2006-08-01 Jan Hubicka <jh@suse.cz>
3346 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3347 bitmap when not needed.
3348 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3351 2006-08-01 Dirk Mueller <dmueller@suse.de>
3353 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3355 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3357 * Makefile.in: Revert part of previous patch:
3358 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3361 2006-07-30 Eric Christopher <echristo@apple.com>
3364 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3365 (PowerPC Variable Attributes): New section.
3367 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3369 PR target/28126 (partial fix)
3370 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3372 2006-07-28 Jan Hubicka <jh@suse.cz>
3374 PR rtl-optimization/28071
3375 * cfgrtl.c (rtl_delete_block): Free regsets.
3376 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3378 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3380 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3381 and variables used in dependencies.
3383 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3385 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3386 %fs for -mcmodel=kernel.
3387 (stack_tls_protect_test_di): Likewise.
3389 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3391 * Makefile.in: Use mkinstalldirs.
3393 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3396 * opts-common.c (prune_options): Skip joined switches.
3398 2006-07-27 Jan Hubicka <jh@suse.cz>
3400 PR rtl-optimization/28071
3401 * cselib.c (cselib_process_insn): Don't remove useless values too
3402 often for very large hashtables.
3404 2006-07-27 Jan Hubicka <jh@suse.cz>
3406 PR rtl-optimization/28071
3407 * global.c (greg_obstack): New obstack.
3408 (allocate_bb_info): Use it.
3409 (free_bb_info): Likewise.
3410 (modify_reg_pav): Likewise.
3412 2006-07-27 Roger Sayle <roger@eyesopen.com>
3414 * builtins.c (fold_fixed_mathfn): When long and long long are the
3415 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3416 functions to their lceil*, lfloor*, lround* and lrint* forms.
3418 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3421 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3423 (rev_branch_insn): Likewise.
3425 2006-07-27 Jan Hubicka <jh@suse.cz>
3427 PR rtl-optimization/28071
3428 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3429 (reg_set_in_bb, max_reg_computed): New static variables.
3430 (regmove_optimize): Free the new array.
3431 (fixup_match_1): Update call of reg_is_remote_constant_p.
3433 2006-07-26 Jan Hubicka <jh@suse.cz>
3435 PR tree-optimization/27882
3436 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3438 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3440 (cgraph_analyze_compilation_unit): Likewise.
3441 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3442 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3443 (cgraph_early_inlinine): Make order garbage collected.
3444 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3446 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3448 * dbxout.c (output_types_sort): Add a comment.
3449 (output_used_types): Free the VEC.
3451 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3453 * function.c (reorder_fix_fragments): Delete.
3454 (reorder_blocks): Don't call it.
3455 (reorder_blocks_1): Put all subblocks under the origin block.
3457 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3459 PR rtl-optimization/27907
3460 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3463 2006-07-25 Roger Sayle <roger@eyesopen.com>
3466 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3467 bar(x) check that bar's result type can represent all the values of T.
3469 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3471 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3473 2006-07-25 Nick Clifton <nickc@redhat.com>
3475 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3476 size_lookup[] array.
3477 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3478 (ggc_pch_count_object): Likewise.
3479 (ggc_pch_alloc_object): Likewise.
3480 (ggc_pch_write_object): Likewise.
3481 (init_ggc): Do not attempt to initialize entries in the
3482 size_lookup[] array for objects whose size is greater than than
3483 the length of the array.
3485 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3487 * dbxout.c (output_used_types_helper): Push queued types
3489 (output_types_sort): New.
3490 (output_used_types): Collect used types on a VEC and sort them
3493 2006-07-24 Richard Guenther <rguenther@suse.de>
3496 * cgraph.c (cgraph_remove_node): Do not check if dumps
3498 * cgraphunit.c (cgraph_optimize): Likewise.
3500 2006-07-24 Jan Hubicka <jh@suse.cz>
3502 PR rtl-optimization/28071
3503 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3504 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3505 splitting before first stmt.
3507 2006-07-24 Jan Hubicka <jh@suse.cz>
3509 PR rtl-optimization/28071
3510 * ipa-inline.c (update_caller_keys): Remove edges that
3511 are no longer inline candidates.
3513 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3516 * dbxout.c (output_used_types_helper, output_used_types): New.
3517 (dbxout_symbol): Call output_used_types.
3519 2006-07-23 Jan Hubicka <jh@suse.cz>
3523 * cgraph.c (cgraph_varpool_nodes): Export.
3524 (decide_is_variable_needed): Ignored "used" attribute in
3525 unit-at-a-time mode.
3526 * cgraph.h (cgraph_varpool_nodes): Declare.
3527 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3528 unit-at-a-time mode.
3530 2006-07-23 Roger Sayle <roger@eyesopen.com>
3533 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3534 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3535 the __gthrw form of thr_keycreate.
3536 (__gthread_key_delete): Silence the unused argument warning.
3538 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3541 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3542 Cache the last found '\0' marker to avoid quadratic behavior.
3544 2006-07-23 Jan Hubicka <jh@suse.cz>
3546 * i386.md (subsi_3_zext): Fix output template.
3548 2006-07-21 Mike Stump <mrs@apple.com>
3550 * doc/invoke.texi (C++ Dialect Options): Note that
3551 -fvisibility-inlines-hidden doesn't affect explicitly
3552 instantiationed inline methods.
3554 2006-07-20 Roger Sayle <roger@eyesopen.com>
3556 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3557 if the target assembler is GNU binutils' gas.
3558 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3559 whether to pass GNU gas or native as command line options.
3561 2006-07-20 Jason Merrill <jason@redhat.com>
3563 * tree.c (remove_attribute): New fn.
3564 * tree.h: Declare it.
3566 2006-07-20 Paul Brook <paul@codesourcery.com>
3569 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3570 they are invalidated by this instruction.
3572 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3575 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3577 2006-07-20 Eric Christopher <echristo@apple.com>
3580 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3582 2006-07-19 Eric Christopher <echristo@apple.com>
3584 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3585 Rewrite dependencies for libgcc_s.1.dylib.
3587 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3589 * except.c (duplicate_eh_regions_1): Clear next_peer.
3591 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3593 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3594 -mlongcall does not guarantee all calls will be long.
3595 * doc/extend.texi (long_call/short_call): Document that longcall
3596 does not guarantee a long call will be used.
3597 (longcall/shortcall): Likewise.
3599 2006-07-18 Roger Sayle <roger@eyesopen.com>
3602 * expmed.c (expand_shift): Additionally check that the shift_cost
3603 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3604 before implementing a LSHIFT_EXPR as a sequence of additions.
3605 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3606 middle-end that DImode shifts need to be synthesized by expand.
3608 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3611 * tree-ssa-operands.c (access_can_touch_variable): Update
3613 Return true if ALIAS is .GLOBAL_VAR.
3615 2006-07-18 David Daney <ddaney@avtrex.com>
3617 * gcc.c (display_help): Fix typo in help text.
3619 2006-07-18 Olivier Hainque <hainque@adacore.com>
3621 * tree.h (categorize_ctor_elements): Adjust prototype and add
3622 descriptive comment, both in accordance with the interface change
3624 * varasm.c (constructor_static_from_elts_p): New function.
3625 Whether a constructor node is a valid static constant initializer
3626 if all its elements are.
3627 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3628 * output.h: Declare it.
3629 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3630 is a valid constant initializer instead of computing the number of
3631 non-constant elements. Use constructor_static_from_elts_p for this
3632 purpose. Replace the head comment with an indication that this is a
3633 helper for categorize_ctor_elements.
3634 (categorize_ctor_elements): Same interface change as for the _1
3635 helper. Former head comment from this helper moved here, adjusted to
3636 account for the interface changes.
3637 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3638 (all_zeros_p): Likewise.
3639 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3640 static versions of the constructor from the categorize_ctor_elements
3641 return value instead of the formerly computed number of non-constant
3644 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3646 * configure: Regenerate.
3647 * Makefile.in (build_libsubdir): New configure substitution
3648 (build_libobjdir): New variable.
3649 (BUILD_LIBIBERTY): Use it.
3651 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3654 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3656 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3659 * c-common.c (handle_weakref_attribute): Ignore attribute in
3660 the same conditions the alias attribute is ignored.
3662 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3664 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3665 (dbxout_begin_prologue): Increment scope_labelno.
3667 2006-07-17 Richard Henderson <rth@redhat.com>
3670 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3673 2006-07-17 Roger Sayle <roger@eyesopen.com>
3674 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3676 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3677 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3678 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3679 functions such as sbrk, write, etc.. Add function prototypes.
3680 Convert function declarations from K&R to ISO C. Cast pointers
3681 to "long" and "unsigned long" instead of "int" and "unsigned int".
3682 Convert tokens following #endif into comments.
3684 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3686 * invoke.texi: Remove mention of f77; Reformat table for
3687 inline parameter options correctly; mention that -malign-double
3688 is default on x86-64 targets.
3690 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3692 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3693 (convert_affine_scev, chrec_convert_aggressive): Use
3694 avoid_arithmetics_in_type_p. Do not check for the subtypes
3697 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3700 * optabs.c (expand_doubleword_shift): Wrap the call to
3701 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3703 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3706 * optabs.c (expand_binop): Pass next_methods rather than methods
3707 to expand_doubleword_shift.
3709 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3712 * tree.h (dump_addr): Declare.
3713 * print-tree.c (dump_addr): New function.
3714 (print_node_brief, print_node): Use it.
3715 * print-rtl.c (print_rtx): Likewise.
3716 * common.opt (-fdump-noaddr): New option.
3717 * doc/invoke.texi (-fdump-noaddr): Document.
3718 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3719 (ve_info_hash): Likewise.
3721 2006-07-13 Andrew Haley <aph@redhat.com>
3723 PR tree-optimization/19505
3724 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3725 edge leaving this block, make sure that the destination of this
3726 block has only one predecessor.
3728 2006-07-17 Richard Guenther <rguenther@suse.de>
3730 PR tree-optimization/28238
3731 * tree-inline.c (copy_bb): Check if we produced valid
3732 gimple copying and substituting a stmt. If not, gimplify
3735 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3737 * optabs.c (maybe_encapsulate_block): New function extracted from...
3738 (emit_libcall_block): ...here. Invoke it on the block of insns to
3739 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3740 (emit_no_conflict_block): Likewise.
3742 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3744 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3746 2006-07-15 Roger Sayle <roger@eyesopen.com>
3748 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3749 a new NOP_EXPR case of the switch statement.
3751 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3754 * stor-layout.c (place_field): Take the bit field with
3755 an excessive size into account in the ms-bitfiled case.
3758 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3759 the previous bit field.
3761 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3764 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3766 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3768 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3769 signal frames correctly even when the signal was installed with
3772 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3774 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3775 (dbxout_function_end): Use local label LFBB. Remove hook
3777 (dbxout_source_line): Use local label LFBB.
3778 (dbxout_block): Likewise.
3779 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3780 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3781 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3782 and DBX_OUTPUT_NFUN.
3784 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3786 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3788 2006-07-13 Jan Hubicka <jh@suse.cz>
3790 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3792 * output.h (align_variable): Declare.
3793 * varasm.c (align_variable): Export.
3794 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3795 when basic block changed.
3797 2006-07-13 Nick Clifton <nickc@redhat.com>
3799 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3800 walking the LOG_LINKS chain.
3802 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3804 * doc/invoke.texi (C++ Dialect Options): Explain difference
3805 between -fvisibility-inlines-hidden and setting hidden
3806 visibility explicitly.
3808 2006-07-12 Eric Christopher <echristo@apple.com>
3810 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3811 (stmp-lipo): Depend on libgcc.a.
3813 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3815 * tree.c: Fix a comment typo.
3817 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3819 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3821 (umulhisi3_r): Likewise.
3823 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3826 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3827 x < 19, vs wchar_t support.
3829 2006-07-12 Nick Clifton <nickc@redhat.com>
3831 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3832 instead of -isa=sh4.
3834 2006-07-12 Mike Stump <mrs@apple.com>
3836 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3838 2006-07-10 Eric Christopher <echristo@apple.com>
3840 * config/t-slibgcc-darwin: Rewrite.
3842 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3845 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3848 2006-07-08 Matthias Klose <doko@debian.org>
3850 * doc/sourcebuild.texi: Fix typo.
3852 2006-07-07 Mike Stump <mrs@apple.com>
3854 * toplev.c (process_options): Don't give -ffunction-sections may
3855 affect debugging warning for Mach-O.
3857 2006-07-07 James E Wilson <wilson@specifix.com>
3859 * config/mips/mips.md (cpu): Add sb1a.
3860 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3861 addition to sb1. Adjust comments to clarify SB-1A differences from
3863 (ir_sb1a_load): New. Modify bypasses to use it.
3864 (ir_sb1a_simple_alu): Likewise.
3865 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3866 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3867 (mips_issue_rate): Add PROCESSOR_SB1A.
3868 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3869 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3870 (TARGET_SB1): Add PROCESSOR_SB1A check.
3871 (TUNE_SB1): Likewise.
3873 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3874 * config/mips/mips.c (mips_store_data_bypass_p): New.
3875 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3876 store_data_bypass_p.
3878 2006-07-08 Paul Brook <paul@codesourcery.com>
3881 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3883 2006-07-07 Richard Guenther <rguenther@suse.de>
3886 * tree.h (build_one_cst): Declare.
3887 * tree.c (build_one_cst): New function.
3888 * tree-ssa-math-opts.c (get_constant_one): Remove.
3889 (insert_reciprocals): Use build_one_cst.
3890 * fold-const.c (fold_plusminus_mult): Likewise.
3892 2006-07-07 Roger Sayle <roger@eyesopen.com>
3894 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3895 * cfgloopanal.c (dump_graph): Likewise.
3896 * dojump.c (discard_pending_stack_adjust): Likewise.
3897 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3899 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3900 * function.c (finalize_block_changes): Likewise.
3901 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3902 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3903 * rtl.c (dump_rtx_statistics): Likewise.
3904 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3906 * varray.c (dump_varray_statistics): Likewise.
3907 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3908 decode_decimal64, encode_decimal128, decode_decimal128,
3909 decimal_real_to_decimal): Likewise.
3911 2006-07-07 Richard Guenther <rguenther@suse.de>
3913 PR tree-optimization/28187
3914 * tree-vrp.c (vrp_operand_equal_p): New function.
3915 (vrp_bitmap_equal_p): Likewise.
3916 (update_value_range): Use them to compare old and new
3919 2006-07-06 Roger Sayle <roger@eyesopen.com>
3921 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3922 a default case to switch statement to silence compiler warnings.
3924 2006-07-06 Roger Sayle <roger@eyesopen.com>
3927 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3928 the configured assembler supports the x87's ffreep mnemonic.
3929 * configure: Regenerate.
3930 * config.in: Regenerate.
3932 * config/i386/i386.c (output_387_ffreep): New function.
3933 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3934 (output_387_reg_move): Likewise.
3936 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3938 Port to hosts whose 'sort' and 'tail' implementations
3939 treat operands with leading '+' as file names, as POSIX
3940 has required since 2001. However, make sure the code still
3941 works on pre-POSIX hosts.
3942 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3943 which says you should use "tail -c +N" rather than "tail +Nc".
3944 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3946 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3948 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3951 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3954 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3955 PRE_{INC,DEC} of TFmode.
3957 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3958 Alan Modra <amodra@bigpond.net.au>
3961 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3964 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3967 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3968 Remove duplicate gtu.
3970 2006-07-05 Jason Merrill <jason@redhat.com>
3974 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3975 * c-common.c (handle_packed_attribute): So don't copy it here.
3976 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3978 2006-07-05 Mike Stump <mrs@apple.com>
3980 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3982 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3985 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3987 2006-07-05 Richard Guenther <rguenther@suse.de>
3990 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3991 TARGET_SSE2 targets if using SSE math.
3992 (*absdf2_1): Likewise.
3994 2006-07-05 Richard Guenther <rguenther@suse.de>
3996 PR tree-optimization/28162
3997 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3998 make sure to convert the operands to the correct type.
4000 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4002 PR tree-optimization/28218
4004 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4005 to calculate and free the dominator information.
4007 2006-07-04 Peter O'Gorman <peter@pogma.com>
4009 * mklibgcc.in: chmod 644 before ranlib during install.
4011 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4012 J"orn Rennecke <joern.rennecke@st.com>
4014 * configure.ac (.eh_frame data check): Use diff -b.
4016 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4019 * Makefile.in (BUILD_RTL): Add build/vec.o.
4020 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4021 (build/genextract): Delete.
4022 (build/genautomata): Likewise.
4024 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4027 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4028 128-bit IBM long doubles for ABI_V4.
4030 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4032 * tree.c (range_in_array_bounds_p): New predicate.
4033 * tree.h (range_in_array_bounds_p): Declare it.
4034 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4035 return a less conservative answer.
4036 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4037 and flag 'is_group'.
4038 (IS_ELEMENT_FOR_GROUP): New macro.
4039 (FOR_EACH_ACTUAL_CHILD): Likewise.
4040 (next_child_for_group): New helper function.
4041 (can_completely_scalarize_p): Take into account groups.
4042 (sra_hash_tree): Handle RANGE_EXPR.
4043 (sra_elt_eq): Likewise.
4044 (lookup_element): Be prepared for handling groups.
4045 (is_valid_const_index): Delete.
4046 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4047 instead of is_valid_const_index.
4048 <ARRAY_RANGE_REF>: New case.
4049 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4050 is_valid_const_index.
4051 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4052 (scan_dump): Dump info for groups too.
4053 (decide_instantiation_1): Likewise.
4054 (decide_block_copy): Assert that the element is not a group.
4055 Propagate decision to groups.
4056 (generate_one_element_ref): Handle RANGE_EXPR.
4057 (mark_no_warning): Iterate over actual childs.
4058 (generate_copy_inout): Likewise.
4059 (generate_element_copy): Likewise.
4060 (generate_element_zero): Likewise.
4061 (generate_element_init_1): Likewise.
4062 (dump_sra_elt_name): Handle RANGE_EXPR.
4064 2006-07-03 Roger Sayle <roger@eyesopen.com>
4066 PR tree-optimization/26251
4067 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4068 (thread_block): When optimizing for size refuse to thread jumps
4069 that would require duplication of blocks other than redirection
4072 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4074 * configure.ac: Fix thinko in previous check-in.
4075 * configure: Regenerate.
4077 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4080 * configure.ac (for lang...): Simplify nesting of conditionals.
4081 Test subdir_requires for non-enabled languages. Move processing
4082 of lang_opt_files and lang_tree_fiels below that test.
4083 * configure: Regenerate.
4084 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4086 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4088 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4090 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4092 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4095 2006-06-29 Jason Merrill <jason@redhat.com>
4102 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4103 * c-common.c (c_determine_visibility): Handle it here.
4104 * c-decl.c (finish_decl): Call c_determine_visibility for
4106 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4108 * varasm.c (default_assemble_visibility): Likewise.
4109 * c-common.c (handle_visibility_attribute): Complain about trying
4110 to give visibility to an already defined class, or trying to change
4111 declared visibility. Always attach the attribute.
4116 * attribs.c (decl_attributes): Ignore type-in-place attributes
4117 once the type has been defined.
4119 2006-06-29 Roger Sayle <roger@eyesopen.com>
4122 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4123 to indicate the cpplib has issued an error message for us.
4125 2006-06-29 Asher Langton <langton2@llnl.gov>
4128 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4129 insert a label at the end of an function under Mach-O.
4131 2006-06-29 Eric Christopher <echristo@apple.com>
4132 Evan Cheng <evan.cheng@apple.com>
4134 * predicates.md (vector_all_ones_operand): New.
4135 (nonimmediate_or_sse_const_operand): Ditto.
4136 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4137 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4138 (standard_sse_mode_p): Ditto.
4139 (standard_sse_constant_p): Add case for -1 vector.
4140 (ix86_expand_vector_move): Try to use.
4141 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4142 Call standard_sse_constant_opcode.
4143 (*movv4sf_internal): Ditto.
4144 (*movv2df_internal): Ditto.
4146 2006-06-29 Roger Sayle <roger@eyesopen.com>
4148 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4149 of XEXP to extract the operands of a MATCH_CODE rtx.
4151 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4153 * tree.c (tree_size): Do not waste tail padding in
4154 struct tree_string and make the size be the same as
4155 build_string will generate.
4157 2006-06-28 Jason Merrill <jason@redhat.com>
4160 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4161 may_aliases already in the tag's annotations to the bitmap.
4163 2006-06-28 Roger Sayle <roger@eyesopen.com>
4165 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4167 2006-06-28 Roger Sayle <roger@eyesopen.com>
4169 * genpreds.c (generate_switch_p): New function.
4170 (add_mode_tests): Push the new mode test down inside an AND expr
4171 if this allows the switch-suitable MATCH_CODE to be near the root.
4172 (write_match_code_switch): New function to write a MATCH_CODE as
4174 (write_predicate_stmts): New function to write a predicate RTX
4175 expression as a sequence of statements.
4176 (write_one_predicate_function): Use write_predicate_stmts.
4177 (write_tm_constrs_h): Likewise.
4179 2006-06-26 Fred Fish <fnf@specifix.com>
4181 * config/mips/t-sb1: New file.
4182 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4185 2006-06-26 DJ Delorie <dj@redhat.com>
4187 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4189 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4190 Jayant Sonar <jayants@kpitcummins.com>
4191 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4193 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4194 (subsi3, subsi3_1, subsi3_2): New.
4195 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4196 * config/m32c/mov.md (SI mov peephole): New.
4197 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4198 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4200 2006-06-26 Olivier Hainque <hainque@adacore.com>
4202 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4203 a CALL_EXPR target function declaration.
4205 2006-06-26 Richard Guenther <rguenther@suse.de>
4207 * tree.c (build_string): Do not waste tail padding in
4210 2006-06-26 Richard Guenther <rguenther@suse.de>
4212 * ggc-page.c (init_ggc): Add missing element to size_lookup
4216 2006-06-23 Richard Guenther <rguenther@suse.de>
4218 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4219 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4220 alignment requests instead. Add verification code.
4221 Add struct tree_function_decl and struct tree_binfo size to
4222 extra_order_size_table. Add missing element to size_lookup
4225 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4228 * fold-const.c (const_binop): Be prepared for self returning zero.
4229 Simplify code handling complex values.
4231 2006-06-24 Olivier Hainque <hainque@adacore.com>
4233 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4234 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4237 2006-06-24 Olivier Hainque <hainque@adacore.com>
4239 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4240 ARRAY_REF, so have the callback called for the low bound expression.
4242 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4244 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4245 * c-typeck.c (c_common_type): Disallow operations on decimal float
4246 types and other float types.
4247 * convert.c (convert_to_real): Don't ignore conversions involving
4248 decimal float types.
4250 2006-06-23 Olivier Hainque <hainque@adacore.com>
4252 * tree.c (max_int_size_in_bytes): New function, inspired from
4253 code in function.c:assign_temp.
4254 * tree.h (max_int_size_in_bytes): Declare.
4255 * function.c (assign_temp): Use it.
4256 * gimplify.c (create_tmp_var): Relax the assertions on the type
4257 properties, not mandating constant size any more.
4258 (force_constant_size): New static function.
4259 (gimple_add_tmp_var): Use it, forcing variable size to a
4260 constant upper bound if it is not constant on entry.
4262 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4265 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4266 for initialization and setting of one_only flag to ...
4267 (i386_pe_encode_section_info): ...here.
4268 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4269 Recheck that the symbol has not been defined.
4271 2006-06-23 Richard Guenther <rguenther@suse.de>
4273 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4274 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4275 alignment requests instead. Add verification code.
4276 Add struct tree_function_decl and struct tree_binfo size to
4277 extra_order_size_table. Add missing element to size_lookup
4280 2006-06-22 Roger Sayle <roger@eyesopen.com>
4281 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4284 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4285 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4287 2006-06-23 Ben Elliston <bje@au.ibm.com>
4289 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4290 negate dn -- manipulate it directly.
4292 2006-06-22 Roger Sayle <roger@eyesopen.com>
4293 Steven Bosscher <stevenb.gcc@gmail.com>
4296 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4297 generated by gen_move_insn to add REG_LABEL notes if necessary.
4299 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4301 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4302 (leaf_entry): Remove use of MIN_ESA.
4304 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4306 PR rtl-optimization/28121
4307 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4310 2006-06-21 DJ Delorie <dj@redhat.com>
4312 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4314 (mulhisi3_r): Likewise.
4316 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4319 * coverage.c (coverage_counter_alloc): Leave the index type
4321 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4324 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4326 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4327 section from the "Options for Code Generation Conventions".
4329 2006-06-21 Richard Henderson <rth@redhat.com>
4333 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4335 (global_symbolic_operand): Allow weak symbols, even if local_p.
4337 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4339 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4340 (find_interesting_uses_address): Punt if above function returns true.
4342 2006-06-21 Richard Guenther <rguenther@suse.de>
4344 * configure: Regenerated.
4346 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4348 * config/mips/mips.c (function_arg): Where one part of a
4349 complex argument is in registers and the other part in the stack,
4350 return a REG not a PARALLEL.
4352 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4354 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4355 when cross-compiling. Do not substitute libstdcxx_incdir.
4356 * configure: Regenerated.
4358 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4360 * varasm.c (mergeable_string_section): Check for embedded NULs and
4361 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4362 rather than TREE_STRING_LENGTH bytes.
4364 2006-06-21 Richard Guenther <rguenther@suse.de>
4366 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4367 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4370 2006-06-21 Richrad Guenther <rguenther@suse.de>
4372 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4373 Limit iteration over the dominators.
4375 2006-06-20 Roger Sayle <roger@eyesopen.com>
4377 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4378 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4380 2006-06-20 Richard Guenther <rguenther@suse.de>
4381 Michael Matz <matz@suse.de>
4383 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4385 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4386 * et-forest.h (et_free_pools): Prototype new function.
4387 * et-forest.c (et_free_tree_force): Free parent occurrence.
4388 (et_free_pools): New function.
4389 * dominance.c (free_dominance_info): Free et-forest alloc
4392 2006-06-20 Roger Sayle <roger@eyesopen.com>
4394 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4395 integer modes, attempt to directly construct an integer constant.
4397 * fold-const.c (native_encode_vector): Determine the size of each
4398 element from the vector type instead of the first vector element.
4400 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4401 if all of its elements/components are constant.
4402 (build_constructor_from_list): Likewise.
4404 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4406 PR tree-optimization/27331
4407 * tree-data-ref.c (free_data_ref): New function.
4408 (create_data_ref): Fail if the data reference has unknown access
4410 (free_data_refs): Use free_data_ref.
4412 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4415 * tree-inline.c (setup_one_parameter): Strip useless
4416 type conversion before adding it to the IR.
4417 (declare_return_variable): Likewise.
4419 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4422 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4424 2006-06-19 Mike Stump <mrs@apple.com>
4426 * tree.c (variably_modified_type_p): VM arguments don't make the
4429 2006-06-19 Richard Guenther <rguenther@suse.de>
4431 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4432 type conversions after folding.
4434 2006-06-19 Richard Guenther <rguenther@suse.de>
4436 * ggc-page.c (extra_order_size_tab): Add entries with
4437 size of struct function and basic_block.
4438 (size_lookup): Extend to cover sizes up to 511.
4439 (ggc_alloc_stat): Adjust user.
4440 (ggc_pch_count_object): Likewise.
4441 (ggc_pch_alloc_object): Likewise.
4442 (ggc_pch_write_object): Likewise.
4444 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4446 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4447 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4450 2006-06-19 Denis Chertykov <denisc@overta.ru>
4452 * config/avr/libgcc.S : Correct my wrong previous commit.
4454 2006-06-19 Roger Sayle <roger@eyesopen.com>
4457 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4458 have stripped a SUBREG from the shift count, so we may need to
4459 convert_to_mode back to the type's mode before calling make_tree.
4460 Use new_amount instead of amount to avoid expanding a tree twice.
4462 2006-06-19 Richard Guenther <rguenther@suse.de>
4465 * fold-const.c (operand_equal_p): Check if the argument types
4466 have the same precision before stripping NOPs.
4468 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4470 Fix PR tree-optimization/27341
4471 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4473 * tree-complex.c (pass_lower_complex): Update SMT usage.
4475 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4477 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4478 Add a new alternative to the constraint strings. Add move of
4479 operand 1 to 3 to the splitter definition.
4480 ("doloop_si_long"): Second contraint alternative removed.
4482 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4484 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4485 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4487 (AVR_HAVE_MOVW) Define.
4488 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4489 (ASM_SPEC): Add avr25.
4490 (LINK_SPEC): Add avr25.
4491 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4492 (base_arch_s): Add new member 'have_movw_lpmx'.
4493 (avr_arch_types): Init 'have_movw_lpmx'.
4494 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4495 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4496 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4497 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4498 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4500 (avr_file_start): Do not output '.arh' derective.
4501 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4502 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4503 * config/avr/avr.md (mcu_enhanced): Delete.
4504 (mcu_have_movw): Define.
4505 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4506 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4507 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4508 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4509 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4510 attiny861 and at86rf401 devices.
4512 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4514 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4517 2006-06-17 Karl Berry <karl@gnu.org>
4519 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4520 doc/gccint.texi, doc/install.texi (@dircategory): Use
4521 "Software development" instead of "Programming", following
4522 the Free Software Directory.
4524 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4526 * config/i386/i386.c (legitimate_tls_address)
4527 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4528 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4529 (*tls_dynamic_gnu2_combine_64): Likewise.
4531 2006-06-16 Richard Guenther <rguenther@suse.de>
4534 * fold-const.c (negate_expr_p): Do not introduce undefined
4535 overflow in negating INTEGER_CSTs.
4536 (fold_negate_expr): Rename from negate_expr. Revert last
4537 change for folding BIT_NOT_EXPR. Change semantics to
4538 return NULL_TREE for non-simplified negations. Do not
4539 strip type conversions and unify type handling.
4540 (negate_expr): New function, wrap around fold_negate_expr
4541 but ensure building a tree always. Strip type conversions
4542 here, fold to result type.
4543 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4545 2006-06-16 Roger Sayle <roger@eyesopen.com>
4548 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4549 that (would) return their results in stack registers.
4551 2006-06-16 Michael Matz <matz@suse.de>
4552 Richard Guenther <rguenther@suse.de>
4554 * fold-const.c (fold_truthop): Only return new tree node if
4555 we canonicalized something.
4557 2006-06-16 Richard Guenther <rguenther@suse.de>
4559 * function.h (enum function_frequency): Move declaration
4560 out of struct function.
4561 (struct function): Move bool fields and the enum to the bitfield
4562 section. Reorder elements to avoid padding. Remove unused
4563 fields left over from the RTL inliner removal.
4564 * function.c (free_after_compilation): Do not zero removed fields.
4565 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4566 (ipa-type-escape.o): Likewise.
4568 2006-06-16 Richard Guenther <rguenther@suse.de>
4570 * cgraph.h (struct cgraph_local_info): Turn bool elements
4572 (struct cgraph_node): Likewise.
4573 (struct cgraph_varpool_node): Likewise.
4575 2006-06-15 Richard Guenther <rguenther@suse.de>
4577 * fold-const.c (fold_truth_not_expr): Rename from
4578 invert_truthvalue. Give it fold_* semantics to avoid
4580 (invert_truthvalue): New function. Wrapper around
4581 fold_truth_not_expr.
4582 (optimize_minmax_comparison): Avoid creating garbage.
4583 (fold_unary): Use fold_truth_not_expr for folding
4585 (fold_ternary): Replace uses of invert_truthvalue with
4586 fold_truth_not_expr where applicable.
4587 * tree.h (fold_truth_not_expr): Prototype.
4589 2006-06-16 Richard Guenther <rguenther@suse.de>
4591 PR tree-optimization/27781
4592 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4593 * ipa-pure-const.c (target.h): Include.
4594 (analyze_function): Do not analyze functions that do not
4597 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4600 * tree-dfa.c (referenced_vars_dup_list): Remove.
4601 (find_referenced_vars): Remove assert.
4602 (referenced_var_check_and_insert): Replace dup list with assert.
4603 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4604 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4606 2006-06-15 Richard Guenther <rguenther@suse.de>
4608 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4609 extra unused identifiers if not dumping.
4610 (create_variable_info_for): Likewise.
4612 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4614 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4615 (derive_constant_upper_bound): Derive more precise upper bound in
4616 common cases. Return type changed to double_int.
4617 (record_estimate): Reflect the changed return type of
4618 derive_constant_upper_bound.
4619 * double-int.c (double_int_zext, double_int_sext): Fix.
4621 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4623 * configure.ac (CFLAGS): Get them from the toplevel or from the
4624 configure invocation.
4625 * configure: Regenerate.
4626 * Makefile.in (CFLAGS): Substitute value provided by configure.
4628 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4631 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4632 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4633 rather than calling add_stmt on it.
4634 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4636 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4639 * reload1.c (reload): Remove registers returned by update_eliminables
4640 from used_spill_regs.
4642 2006-06-13 DJ Delorie <dj@redhat.com>
4644 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4646 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4648 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4649 html__strip_dir, html__mkdir_p. Enhance install-html target.
4650 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4651 * configure: Regenerate.
4653 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4655 * fold-const.c (fold_cond_expr_with_comparison): Check for
4656 Objective-C++ as language in deciding COND_EXPR transformation.
4658 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4661 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4662 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4663 * config/sh/lib1funcs.h (SL, SL1): Define.
4664 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4665 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4666 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4667 (OBJS_Os_4_200): New variable.
4668 ($(T)libgcc-Os-4-200.a): Use it.
4669 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4670 when dividing 1 and/or by 0.
4672 2006-06-13 Roger Sayle <roger@eyesopen.com>
4674 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4675 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4676 * configure: Regenerate.
4678 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4680 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4681 for real instruction.
4683 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4686 * haifa-sched.c (check_cfg): Handle special case.
4688 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4691 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4692 Add debug_info parameter. Chain the vars to the BLOCK instead
4693 of the BIND_EXPR if debug info are requested for them.
4694 (pop_gimplify_context): Adjust for above change.
4695 (gimple_add_tmp_var): Likewise.
4696 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4698 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4699 (convert_local_reference): Likewise.
4700 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4701 (finalize_nesting_tree_1): Request that debug info be emitted
4702 for debug_var_chain.
4704 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4706 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4707 for PR target/27863.
4709 2006-06-13 Richard Guenther <rguenther@suse.de>
4712 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4714 2006-06-13 Richard Guenther <rguenther@suse.de>
4716 PR tree-optimization/27830
4717 * tree-inline.c (copy_body_r): For copying the operand
4718 of an ADDR_EXPR make sure to fold &* afterwards.
4720 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4722 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4723 lvalues in the fb_none case with side-effects.
4725 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4727 * tree-flow.h: Remove the prototype for
4728 compute_phi_arg_on_exit.
4729 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4730 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4733 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4735 * builtins.c (expand_builtin_return_addr): Only use
4736 frame_pointer_rtx when count == 0 and we are expanding
4737 __builtin_return_address.
4739 2006-06-12 Fred Fish <fnf@specifix.com>
4741 * config/mips/mips.c (mips_file_start): Create special section
4742 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4744 2006-06-11 Eric Christopher <echristo@apple.com>
4747 * stor-layout.c (place_field): Remove check for
4748 remaining_in_alignment when aligning at the end of a run.
4750 2006-06-11 Eric Christopher <echristo@apple.com>
4753 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4756 2006-06-11 Roger Sayle <roger@eyesopen.com>
4759 Revert incorrect fix for PR target/27158
4760 2006-05-08 Roger Sayle <roger@eyesopen.com>
4761 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4762 of a reg_equiv_constant if the result is a legitimate constant.
4764 2006-06-11 Roger Sayle <roger@eyesopen.com>
4767 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4768 extract a CONST_VECTOR element and interpret it as an integer.
4769 (vspltis_constant): Use const_vector_elt_as_int instead of the
4770 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4771 * config/rs6000/predicates.md (easy_vector_const): Consider
4772 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4774 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4777 * stor-layout.c (update_alignment_for_field): Don't add extra
4778 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4781 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4783 * config/mips/t-rtems: Add EL/EB multilib variants.
4785 2006-06-09 Mike Stump <mrs@apple.com>
4787 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4789 2006-06-09 David Daney <ddaney@avtrex.com>
4791 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4793 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4795 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4797 2006-06-09 Richard Guenther <rguenther@suse.de>
4799 PR tree-optimization/26998
4800 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4801 of signed types, only TYPE_MIN_VALUE is special, but for both,
4802 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4803 in this case, as is -fwrapv.
4805 2006-06-08 Mike Stump <mrs@apple.com>
4808 * config/darwin.c (darwin_asm_output_anchor): Disable
4809 -fsection-anchors on darwin for now.
4810 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4811 * rs6000/rs6000.c (optimization_options): Likewise.
4813 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4816 * config/i386/i386.c (classify_argument): Skip fields with invalid
4819 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4821 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4822 (cse_insn): Likewise for the stack_pointer_rtx.
4824 2006-06-08 Roger Sayle <roger@eyesopen.com>
4826 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4827 conditions from floating point comparisons.
4829 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4832 * expmed.c (struct alg_hash_entry): Fix type of field T
4833 to match synth_mult argument.
4834 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4836 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4839 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4842 2006-06-08 Richard Guenther <rguenther@suse.de>
4845 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4846 only, if overflow is defined and not trapping.
4847 (negate_expr): Likewise.
4849 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4851 PR tree-optimization/27872
4852 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4853 flag on the new exit edge of the unrolled loop.
4855 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4857 PR rtl-optimization/26449
4858 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4860 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4863 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4864 referenced_variables with matching DECL_UID's.
4865 (find_referenced_vars): Make sure duplicate list is empty to start.
4866 (referenced_var_p): Remove.
4867 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4868 Check if var is in the list, and add if needed. Update the duplicate
4869 list if a different var is in the list with the same DECL_UID.
4870 (add_referenced_var): Call routine to check and insert.
4871 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4872 * tree-flow.h (referenced_vars_dup_list): External declaration.
4874 2006-06-07 Fred Fish <fnf@specifix.com>
4876 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4879 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4882 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4883 the imaginary and real parts of a clobbered register.
4884 Emit insn to set the imaginary part.
4886 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4888 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4889 in lieu of unwind-dw2-fde.c.
4891 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4893 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4895 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4898 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4899 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4900 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4901 V4SImode temporaries and operations instead.
4903 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4905 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4908 2006-06-06 Mike Stump <mrs@apple.com>
4910 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4911 installing during build.
4913 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4915 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4917 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4918 * config/ia64/ia64.c (params.h): New header.
4919 (ia64_optimization_options): New function to adjust parameters.
4920 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4921 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4922 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4924 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4926 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4928 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4931 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4933 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4934 Victor Kaplansky <victork@il.ibm.com>
4936 PR tree-optimization/26360
4937 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4940 2006-06-04 Roger Sayle <roger@eyesopen.com>
4941 Andrew Pinski <pinskia@physics.uc.edu>
4944 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4945 for LABEL_DECL before calling DECL_WEAK.
4948 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4949 LABEL_DECL and PARM_DECL.
4951 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4955 * c-decl.c (grokdeclarator): Disallow variably modified types at
4956 file scope. Avoid marking shared array type of constant size as
4959 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4962 * c-common.c (fold_offsetof_1): Handle static members.
4964 2006-06-04 Eric Christopher <echristo@apple.com>
4966 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4967 (debug_rli): Output value for remaining_in_alignment.
4968 (update_alignment_for_field): Unconditionalize
4969 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4970 extra alignment code.
4971 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4972 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4973 * tree.h (record_layout_info_s): Remove prev_packed.
4974 * doc/extend.texi (ms_struct): Add documentation of format.
4976 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4978 * tree.h: Declare folding_initializer.
4979 * builtins.c (fold_builtin_constant_p): Give definite answer
4980 if folding inside an initializer.
4981 * fold-const.c: Define folding_initializer.
4982 (START_FOLD_INIT): Save and then set folding_initializer.
4983 (END_FOLD_INIT): Restore folding_initializer.
4985 2006-06-04 Richard Guenther <rguenther@suse.de>
4987 PR tree-optimization/27039
4988 * fold-const.c (fold_comparison): Handle pointer comparison
4989 again for all comparison codes. Compare offsets in signed
4991 (fold_binary): Move code from here.
4993 2006-06-03 Roger Sayle <roger@eyesopen.com>
4996 * config/i386/i386.c (construct_container): Split static issued_error
4997 flag into issued_sse_arg_error, issued_sse_ret_error and
4998 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4999 requires the use of x87 registers and the user explicitly
5000 specified the -mno-80387 command line option.
5002 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5004 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5005 HAVE_DECL_SIGALTSTACK.
5007 (segv_handler): Use MC_FLD.
5008 * configure.ac: Check for a sigaltstack declaration.
5009 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5010 * configure: Regenerate.
5011 * config.in: Regenerate.
5013 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5016 * Makefile.in (stmp-fixinc): Fix typo.
5018 2006-06-02 Roger Sayle <roger@eyesopen.com>
5020 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5021 are type correct. Clean-up.
5022 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5023 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5025 2006-06-01 DJ Delorie <dj@redhat.com>
5027 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5028 shift, as we've disabled the "switch" insn that needs it.
5030 2006-06-01 Per Bothner <bothner@bothner.com>
5032 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5033 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5034 * c-ppoutput.c (cb_define): Don't increment line 0.
5036 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5038 * doc/invoke.texi: Add cpu_type power6.
5039 * config.gcc: Add cpu_type power6.
5040 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5041 to power5+ with Altivec.
5042 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5043 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5045 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5047 * config/avr/avr.h (SET_ASM_OP): Define.
5049 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5051 * config/bfin/bfin.c: Fix comment typos.
5053 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5056 * doc/install.texi: Document --enable-bootstrap and
5057 --disable-bootstrap.
5059 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5061 * doc/install.texi: Document that InfoZIP can replace jar.
5063 2006-05-31 Roger Sayle <roger@eyesopen.com>
5065 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5066 isn't available, directly generate the simpler x87 patterns without
5067 the (use (const_int 0)).
5068 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5069 implementation isn't available.
5070 (*negdf2_1): Likewise.
5071 (*negxf2_1): XF mode negation is always done using the x87.
5072 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5074 2006-05-31 Roger Sayle <roger@eyesopen.com>
5076 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5077 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5079 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5081 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5083 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5084 * config/bfin/bfin.c (basic-block.h): Include.
5085 (struct machine_function): New.
5086 (bfin_init_machine_status): New.
5087 (override_options): Initialize init_machine_status.
5088 (bfin_hardware_loop): New.
5089 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5090 (DEF_VEC_P (loop_info)): New.
5091 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5092 (struct loop_info): New.
5093 (loop_info): New typedef.
5094 (struct loop_work): New.
5095 (loop_work): New typedef.
5096 (DEF_VEC_O (loop_work)): New.
5097 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5098 (bfin_dump_loops): New.
5099 (bfin_bb_in_loop): New.
5100 (bfin_scan_loop): New.
5101 (bfin_optimize_loop): New.
5102 (bfin_reorg_loops): New.
5103 (bfin_reorg): Use bfin_reorg_loops.
5104 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5106 (I_REGNO_P): Simplify.
5107 (DP_REGNO_P, DPREG_P): New macros.
5108 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5109 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5110 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5111 Add LT_REGS, LC_REGS, LB_REGS.
5112 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5114 (REGNO_REG_CLASS): Deal with loop registers.
5115 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5117 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5118 New constants for loop registers.
5119 (UNSPEC_LSETUP_END): New.
5120 (seq_insns): New define_attr. Set it for appropriate insns.
5121 (movsi_insn): Add alternatives for move from/to
5122 loop count registers.
5123 (doloop_end): New define_expand.
5124 (loop_end): New define_insn.
5125 (define_split for bad doloop_end): New.
5126 (lsetup_with_autoinit): New define_insn.
5127 (lsetup_without_autoinit): New define_insn.
5128 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5129 * config/bfin/predicates.md (lc_register_operand): New.
5130 (lt_register_operand): New.
5131 (lb_register_operand): New.
5132 (nondp_register_operand): New.
5133 (nondp_reg_or_memory_operand): New.
5134 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5136 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5138 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5139 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5141 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5143 * Makefile.in (CATALOGS): Add po/ prefix.
5144 * configure: Regenerated.
5146 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5149 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5150 a shift operand before calling shift_op. Avoid redundant call of
5153 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5154 DJ Delorie <dj@redhat.com>
5156 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5157 we're inserting is a singlt-bit constant.
5159 2006-05-30 Roger Sayle <roger@eyesopen.com>
5161 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5162 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5164 2006-05-30 Roger Sayle <roger@eyesopen.com>
5166 PR tree-optimization/23452
5167 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5168 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5169 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5170 complex values and with -ffast-math for FP complex values.
5172 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5174 * c-common.h: Remove the prototype for yyparse.
5175 * rtl.h: Remove the prototype for init_loop.
5177 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5179 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5182 2006-05-30 Roger Sayle <roger@eyesopen.com>
5184 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5186 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5187 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5189 2006-05-30 Dirk Mueller <dmueller@suse.de>
5192 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5193 for CONSTANT_CLASS_P expresisons.
5195 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5198 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5200 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5202 PR tree-optimization/27779
5203 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5204 initial_condition instead of CHREC_LEFT.
5206 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5208 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5209 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5210 Make prototypes ISO C90.
5212 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5213 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5215 * see.c (see_analyze_one_def): Correct check.
5216 (see_get_extension_data): Check if extension is parallel.
5217 (see_get_extension_reg): Likewise.
5219 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5222 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5223 into register for (code == GTU).
5225 2006-05-29 Roger Sayle <roger@eyesopen.com>
5227 PR tree-optimization/24964
5228 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5229 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5230 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5231 abs(x)*abs(x) as x*x for scalar floating point modes.
5233 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5236 * lambda-code.c (perfect_nestify): Don't copy statements
5237 in the inner loop: move them to the inner loop header.
5239 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5242 * c-tree.texi: Document OpenMP directives and clauses.
5244 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5246 * varasm.c (globalize_decl): Fix indentation.
5248 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5251 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5252 pass_fre, pass_store_ccp, pass_copy_prop,
5253 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5254 pass_return_slot, pass_object_size, pass_lim,
5255 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5256 pass_loop_prefetch and pass_stdarg.
5258 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5260 * config/bfin/bfin.opt (mfdpic): New option.
5261 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5262 (EXTRA_MULTILIB_PARTS): Likewise.
5263 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5264 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5266 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5267 (CRT_CALL_STATIC_FUNCTION): New.
5268 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5270 (CRT_CALL_STATIC_FUNCTION): New.
5271 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5273 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5274 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5275 (initialize_trampoline): Changed to handle FD-PIC code generation.
5276 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5277 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5278 (override_options): Disallow -mid-shared-library -mfdpic combination.
5279 Can't do unaligned ops if FD-PIC.
5280 Turn off flag_pic if trying to generate non-id-shared-library
5281 non-fdpic code, since it's not supported.
5282 (bfin_assemble_integer): New function.
5283 (TARGET_ASM_INTEGER): Define.
5284 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5286 * config/bfin/crtn.s: Restore them.
5287 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5289 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5290 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5291 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5292 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5293 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5295 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5296 FDPIC_REGS and FDPIC_FPTR_REGS.
5297 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5298 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5299 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5300 (load_funcdescsi): New pattern.
5301 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5302 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5303 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5305 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5307 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5310 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5312 * tree-flow.h: Remove the prototype for add_type_alias.
5313 * tree-ssa-alias.c (add_type_alias): Remove.
5315 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5317 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5318 config/fr30/fr30.md, config/i386/i386-interix.h,
5319 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5320 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5321 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5322 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5323 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5324 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5325 Follow spelling conventions.
5326 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5327 Follow spelling conventions.
5329 2006-05-27 Richard Guenther <rguenther@suse.de>
5332 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5333 to produce a constant of value 1 of generic type.
5335 2006-05-27 Dirk Mueller <dmueller@suse.de>
5337 * cgraphunit.c (decide_is_function_needed): Fix wrong
5340 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5342 PR rtl-optimization/27661
5343 * reload.c (find_reloads): When reloading a VOIDmode constant
5344 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5345 use Pmode as mode of the reload register.
5347 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5349 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5350 is enabled at -O and above.
5352 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5355 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5358 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5361 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5362 for anonymous variables explicitly declared by front ends.
5364 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5366 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5367 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5368 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5369 ref-all pointers, run a finalization pass for them.
5370 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5371 (finalize_ref_all_pointers): New function.
5372 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5373 regular pointer type to a ref-all pointer type.
5374 (get_tmt_for): Return the special memory tag for ref-all pointers.
5376 2006-05-25 Richard Guenther <rguenther@suse.de>
5379 * fold-const.c (fold_binary): Do not look at the stripped
5380 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5382 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5384 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5385 for LT and GT if the computed range is effectively empty.
5387 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5390 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5391 mips_quad_format formats instead of ieee_single_format,
5392 ieee_double_format and ieee_quad_format formats, respectively.
5394 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5396 PR tree-optimization/27639
5397 PR tree-optimization/26719
5398 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5399 call to scev_probably_wraps_p.
5400 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5401 used_in_pointer_arithmetic_p, convert_step): Removed.
5402 (nowrap_type_p): New function.
5403 (scev_probably_wraps_p): Rewritten.
5404 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5405 chrec_convert if chrec_convert_aggressive might have been used.
5406 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5407 scev_direction): New functions.
5408 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5409 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5410 instead of convert_step.
5411 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5412 (convert_step): Declaration removed.
5413 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5415 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5417 * df-core.c: Added to header comments.
5418 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5419 df_ur_bb_info, df_urec_bb_info): Added comments.
5420 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5421 urec, ri problems): Fixed header comments.
5422 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5423 code from df_rd_transfer_function.
5425 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5427 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5428 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5429 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5431 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5433 * expr.c (undefined_operand_subword_p): New.
5434 (emit_move_multi_word): Do not generate move from undefined bits
5435 of a paradoxical subreg.
5437 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5439 PR rtl-optimization/27736
5440 * combine.c (replaced_rhs_value): New variable.
5441 (combine_instructions): Set it.
5442 (distribute_notes): When distributing a note in replaced_rhs_insn,
5443 check whether the value was used in replaced_rhs_value.
5445 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5448 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5449 add_referenced_var instead of add_referenced_tmp_var.
5450 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5451 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5453 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5454 tree_optimize_tail_calls_1): Use add_referenced_var.
5455 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5456 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5457 Use add_referenced_var.
5458 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5459 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5460 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5461 Use add_referenced_var.
5462 * tree-dfa.c (struct walk_state): Remove.
5463 (find_referenced_vars): Remove walk state and vars_found hash table.
5464 (make_rename_temp): Use add_referenced_var.
5465 (find_vars_r): Pass less parameters to add_referenced_var.
5466 (referenced_var_p): New. Is var in referenced_var hash table.
5467 (referenced_var_insert): Assert var isn't already in hash table.
5468 (add_referenced_var): Don't need walk_state parameter. Add var if it
5469 isn't already in the hash table.
5470 (add_referenced_tmp_var): Remove.
5471 (find_new_referenced_vars_1): Use add_referenced_var.
5472 * tree-ssa-pre.c (create_expression_by_pieces,
5473 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5474 Use add_referenced_var.
5475 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5476 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5477 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5479 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5480 vect_create_data_ref_ptr, vect_create_destination_var,
5481 vect_init_vector, vect_build_loop_niters,
5482 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5483 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5484 Use add_referenced_var.
5485 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5486 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5487 (add_referenced_var): Add prototype.
5488 * tree-ssa-structalias.c (get_constraint_for,
5489 intra_create_variable_infos): Use add_referenced_var.
5491 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5493 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5494 big-endian paradoxical subregs.
5495 * var-tracking.c (struct micro_operation_def): Document that,
5496 for modify micro operations, insn is the subsequent instruction.
5497 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5498 (var_reg_set, var_mem_set): ... new functions.
5499 (add_stores): Record subsequent insn.
5500 (compute_bb_dataflow): Use new functions for MO_USE.
5501 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5502 notes after the insn, and modify notes before the insn known
5503 to be the subsequent one.
5504 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5506 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5509 * config/i386/i386.c (ix86_expand_builtin): Use
5510 gen_sse3_monitor64 for TARGET_64BIT.
5512 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5514 PR rtl-optimization/26375
5515 PR rtl-optimization/26855
5516 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5518 (df_ru_bb_local_compute): Reversed statements and removed bogus
5519 comment explaining why they should be in wrong order.
5520 (df_ru_dump, df_rd_dump): Enhanced debug info.
5521 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5523 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5524 reaching uses and fixed space problem.
5526 2006-05-23 Jan Hubicka <jh@suse.cz>
5528 * cgraphunit.c (decide_is_function_needed): Also nested functions
5529 and functions declared inline can be optimized out at -O0.
5531 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5533 * doc/install.texi (Configuration): Remove reference to CrossGCC
5537 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5540 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5541 ix86_compare_emitted is non-NULL.
5543 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5546 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5549 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5551 PR rtl-optimization/25514
5552 * combine.c (replaced_rhs_insn): New variable.
5553 (combine_instructions): Set replaced_rhs_insn when trying to replace
5554 a SET_SRC with a REG_EQUAL note.
5555 (distribute_notes): Use replaced_rhs_insn when determining the live
5556 range of a REG_DEAD register.
5558 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5559 Anatoly Sokolov <aesok@post.ru>
5561 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5562 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5563 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5564 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5565 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5566 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5567 at90usb647, at90usb1286 and at90usb1287 devices.
5568 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5569 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5571 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5573 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5575 2006-05-22 Richard Guenther <rguenther@suse.de>
5578 2006-01-31 Richard Guenther <rguenther@suse.de>
5579 Paolo Bonzini <bonzini@gnu.org>
5581 * doc/install.texi (--disable-libgcc-math): Document.
5583 2006-05-22 Richard Guenther <rguenther@suse.de>
5586 2006-01-31 Richard Guenther <rguenther@suse.de>
5588 * doc/invoke.texi (-msselibm): Document.
5589 * target.h (expand_library_builtin): New target hook.
5590 * builtins.c (expand_builtin): Use expand_library_builtin.
5591 (default_expand_library_builtin): New function.
5592 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5593 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5594 (link_gcc_math_spec): Declare.
5595 (static_specs): Add link_gcc_math_spec.
5596 * expr.h (default_expand_library_builtin): Declare.
5597 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5598 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5599 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5600 * config/i386/i386.opt (msselibm): New target option.
5601 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5602 (ix86_init_sse_abi_builtins): New function.
5603 (ix86_expand_library_builtin): Likewise.
5604 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5605 (override_options): Handle error conditions wrt -msselibm.
5606 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5607 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5608 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5611 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5614 * c-common.c (self_promoting_args_p): Skip erroneous args.
5617 * c-decl.c (finish_struct): Skip erroneous fields.
5619 2006-05-22 Nick Clifton <nickc@redhat.com>
5621 * config/cris/cris.opt (march): Remove VarExists attribute.
5622 (max-stackframe=): Likewise.
5624 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5626 * doc/rtl.texi: Fix a typo.
5627 * see.c: Fix comment typos.
5629 * tree-ssa-structalias.h (alias_info): Remove num_references.
5631 2006-05-21 Mike Stump <mrs@apple.com>
5633 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5635 (darwin_pragma_options): Use BAD instead.
5636 (darwin_pragma_unused): Likewise.
5637 (darwin_pragma_ms_struct): Likewise.
5639 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5641 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5643 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5645 PR rtl-optimization/27671
5646 * simplify-rtx.c (simplify_relational_operation_1): Fix
5647 simplifications of (eq/ne (xor x y) y) and
5648 (eq/ne (xor x y) x).
5650 PR tree-optimization/26622.
5651 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5654 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5656 * tree-cfg.c: Prune whitespace.
5657 (debug_tree_cfg): Point to correct header containing the
5660 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5663 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5665 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5668 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5669 or sorry count is non zero.
5671 2006-05-20 Andreas Schwab <schwab@suse.de>
5673 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5675 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5676 Kenneth Zadeck <zadeck@naturalbridge.com>
5678 PR rtl-optimization/26855
5680 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5682 (df_scan_alloc): Added code to properly handle multiword hard
5683 registers and add all_blocks parameter.
5684 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5685 code to properly handle multiword hard registers.
5686 (df_rescan_blocks): Added code to remove deleted blocks from
5688 (df_ref_create_structure, df_ref_record): Added code to properly
5690 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5691 and set DF_REF_PARTIAL.
5692 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5693 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5694 (df_scan_add_problem): Added flags parameter.
5695 (df_ref_create_structure): Changed switching structure.
5696 (df_bb_refs_record): Fixed case where duplicate artificial refs
5697 were created. Changed location of flags.
5698 (df_record_entry_block_defs): Added code to make stack pointer
5699 live in entry block. Refined cases where frame pointer is needed.
5700 Changed location of flags.
5701 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5702 (df_set_state): Removed function.
5703 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5704 df_insn_create_insn_record, df_insn_refs_delete,
5705 df_ref_create_structure): Formatting changes.
5706 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5707 df_delete_basic_block): New function.
5708 (df_init): Changed location of flags.
5709 (df_add_problem): Added flags parameter and the way flags are
5711 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5712 debug_df_chain): Improved debugging output.
5713 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5714 (df_refs_chain_dump): Removed df parameter.
5715 (df_iterative_dataflow): Added consistency check.
5716 (df_prune_to_subcfg): Made public.
5717 (df_analyze_problem): Added blocks_to_init parameter and made
5719 (df_ref_record, df_bb_refs_record, df_mark_reg,
5720 df_record_exit_block_uses): Whitespace changes.
5721 (df_dump): Whitespace changes.
5722 * df.h: Some reordering to remove forward references.
5723 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5724 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5725 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5726 (dataflow.flags): New field.
5727 (df.flag): Deleted field.
5728 (df_alloc_function): Added additional bitmap parameter.
5729 (df_dependent_problem_function): New type.
5730 (df_problem.changeable_flags): New field.
5731 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5732 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5733 (df_mw_hardreg): New struct.
5734 (DF_INSN_UID_MWS): New macro.
5735 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5737 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5738 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5739 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5740 (df_set_state): Removed function.
5741 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5742 * df-problems.c (df_chain_dump): Removed df parameter.
5743 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5744 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5746 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5747 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5748 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5749 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5750 DF_REF_MUST_CLOBBER cases.
5751 (df_ru_bb_local_compute_process_def,
5752 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5753 df_lr_bb_local_compute, df_ur_bb_local_compute,
5754 df_chain_create_bb): Made subreg aware.
5755 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5756 df_lr_bb_local_compute, df_lr_bb_local_compute,
5757 df_chain_create_bb): Cleanup to use proper macros.
5758 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5759 code to fixup bitvectors.
5760 (df_ri_alloc): Cleared lifetime.
5761 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5762 df_create_unused_note): New function.
5763 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5764 REG_DEAD and REG_UNUSED notes as well as register information.
5765 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5766 df_chains_dump): Fixed crash if problem was never run.
5767 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5768 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5769 df_ri_add_problem): Processes flags in uniform manner.
5770 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5771 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5772 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5773 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5774 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5775 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5776 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5777 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5778 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5779 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5780 * see.c (see_initialize_data): Ditto.
5781 * final.c (rest_of_clean_state) Added regstack_completed.
5782 * rtl.h (regstack_completed): Ditto.
5783 * reg-stack.c (regstack_completed): Ditto.
5785 2006-05-19 Mike Stump <mrs@apple.com>
5787 * c-tree.h (default_conversion): Remove.
5788 * c-common.h (default_conversion): Add.
5790 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5792 * tree-vrp.c (valid_value_p): New function.
5793 (adjust_range_with_scev): Fail if the value of bound is not
5796 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5798 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5799 (mips_fallback_frame_state): Use syscall numbers to determine
5800 the appropriate li instruction for the current ABI. Only use
5801 __NR_sigreturn for o32.
5803 2006-05-19 Nicolas Setton <setton@adacore.com>
5805 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5806 * langhooks.c (lhd_dwarf_name): New function.
5807 * langhooks-def.h (lhd_dwarf_name): Declare.
5808 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5809 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5810 * ada/misc.c (gnat_dwarf_name): New function.
5811 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5813 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5815 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5817 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5818 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5819 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5820 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5821 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5822 determine the size of Wtype, etc.
5823 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5824 (swfloatfuncs): New variable.
5825 (dwfloatfuncs): Likewise.
5826 (lib2funcs): Remove floating-point conversion functions from
5827 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5828 the set of conversion routines needed. Allow entries to specify
5829 an object name, filename and word size. Update users accordingly.
5830 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5831 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5835 2006-02-08 Roger Sayle <roger@eyesopen.com>
5838 * config/fixtfdi.c: New libgcc source file.
5839 * config/fixunstfdi.c: New source file.
5840 * config/floatditf.c: New source file.
5841 * config/floatunditf.c: New souce file.
5842 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5843 files above instead of config/mips/_tilib.c.
5844 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5846 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5848 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5849 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5851 2006-05-18 Mike Stump <mrs@apple.com>
5853 Fix up vla, vm and [*] sematics.
5859 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5860 (c_vla_unspec_p): Add.
5861 (c_vla_type_p): Add.
5862 * c-decl.c (struct c_scope): Add had_vla_unspec.
5863 (build_array_declarator): Add support for [*].
5864 (grokdeclarator): Likewise.
5865 (grokparms): Likewise.
5866 (get_parm_info): Likewise.
5867 * c-objc-common.c (c_vla_unspec_p): Likewise.
5868 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5869 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5870 typeof when argument is a variably modified type not inside sizeof or alignof.
5871 (c_parser_direct_declarator_inner): Propagate errors.
5872 (c_parser_sizeof_expression): Add support for [*].
5873 (c_parser_parms_declarator): Initialize had_vla_unspec.
5874 (c_parser_parms_list_declarator): Likewise.
5875 * c-typeck.c (c_vla_type_p): Add.
5876 (composite_type): Add support for vla compositing.
5877 (comptypes_internal): Add support for vla compatibility.
5878 (c_expr_sizeof_expr): Evaluate vla arguments.
5879 * tree.c (variably_modified_type_p): Update comment for [*].
5881 2006-05-18 Michael Matz <matz@suse.de>
5884 * config.host: Make assignments to host_xmake_file cumulative.
5885 * config.host (*-darwin*): Test $host, not $target.
5887 2006-05-12 Stuart Hastings <stuart@apple.com>
5889 * config/i386/i386.opt (-mstackrealign): New flag.
5890 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5891 (ix86_handle_cconv_attribute): Emit error when
5892 force_align_arg_pointer attribute collides with too many regparms.
5893 (ix86_function_regparm): Limit regparms when used with
5894 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5895 Support stack-realigning prologue in non-main functions. Emit
5896 warning for nested functions under -mstackrealign, emit error for
5897 nested functions with force_align_arg_pointer attribute.
5898 * doc/extend.texi (force_align_arg_pointer): Document it.
5899 * doc/invoke.texi (-mstackrealign): Document it.
5901 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5903 PR rtl-optimization/27477
5904 * combine.c (try_combine): Don't split a parallel consisting
5905 of two sets into two individual sets if both sets reference
5908 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5910 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5911 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5913 * doc/options.texi (VarExists): Updated.
5915 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5917 * unwind-dw2.c: Add declarations for uw_update_context and
5919 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5920 detected, advance frame state and context once to skip over stub.
5922 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5926 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5927 Call rewrite_into_loop_closed_ssa only when something changed.
5928 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5929 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5930 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5931 Test for perfect_nest_p here. Fix formating.
5932 (replace_uses_equiv_to_x_with_y): Fix formating.
5933 (stmt_uses_op): Removed.
5934 (can_convert_to_perfect_nest): Removed loopivs parameter.
5935 Complete the test by checking the scalar dependences.
5936 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5939 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5942 From Dan Kegel <dank@kegel.com>:
5943 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5945 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5947 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5948 if the element type is variably modified without recursing.
5950 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5953 * tree-loop-linear.c (try_interchange_loops): Test for
5954 no data dependences.
5956 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5958 PR tree-optimization/27548
5959 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5960 range of ssa names that appear on abnormal edges.
5961 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5962 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5967 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5969 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5972 * tree.h (OMP_PARALLEL_COMBINED): Define.
5973 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5974 (new_omp_context): Add is_combined_parallel argument.
5975 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5976 new_omp_context caller.
5977 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5978 Adjust gimplify_scan_omp_clauses callers.
5979 (omp_is_private): Issue errors if iteration variable is firstprivate
5980 or reduction in the current context.
5981 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5982 on combined parallel workshare constructs.
5984 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5986 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5987 (gcc-options.o): New rule.
5989 * optc-gen.awk: Protect variables for gcc-options.o with
5990 #ifdef GCC_DRIVER/#endif.
5992 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5994 Fix PR tree-optimization/27373
5995 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5996 (forward_propagate_addr_expr): Update call.
5998 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6000 * doc/options.texi: Move the Negative option.
6002 2006-05-16 Richard Guenther <rguenther@suse.de>
6004 PR tree-optimization/22303
6005 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6007 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6008 ccp_fold did not simplify the statement.
6010 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6013 * Makefile.in (GCC_OBJS): New.
6014 (OBJS-common): Add opts-common.o.
6015 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6016 (cpp$(exeext)): Likewise.
6017 (gcc.o): Also depend on opts.h.
6018 (opts-common.o): New.
6020 * common.opt (gcoff): Add Negative(gdwarf-2).
6021 (gdwarf-2): Add Negative(gstabs).
6022 (gstabs): Add Negative(gstabs+).
6023 (gstabs+): Add Negative(gvms).
6024 (gvms): Add Negative(gxcoff).
6025 (gxcoff): Add Negative(gxcoff+).
6026 (gxcoff+): Add Negative(gcoff).
6027 * config/i386/i386.opt (m32): Add Negative(m64).
6028 (m64): Add Negative(m32).
6030 * doc/options.texi: Document the Negative option.
6032 * gcc.c: Include "opts.h".
6033 (main): Call prune_options after expandargv.
6035 * optc-gen.awk: Generate common declarations for all flag
6036 variables in options.c. Output the neg_index field.
6038 * opts.c (find_opt): Moved to ...
6039 * opts-common.c: Here. New file.
6041 * opts.h (cl_option): Add a neg_index field.
6043 (prune_options): Likewise.
6045 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6048 * omp-low.c (expand_omp_parallel): Don't assert
6049 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6050 instead search for it.
6053 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6056 2006-05-16 Andreas Schwab <schwab@suse.de>
6058 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6061 2006-05-15 Roger Sayle <roger@eyesopen.com>
6064 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6065 integer constants other than zero are only legitimate on TARGET_64BIT.
6066 <CONST_VECTOR> Only zero vectors are legitimate.
6067 (ix86_cannot_force_const_mem): Integral and vector constants can
6068 always be put in the constant pool.
6070 2006-05-16 DJ Delorie <dj@redhat.com>
6072 * crtstuff.c (__dso_handle): Set section from
6073 TARGET_LBIGCC_SDATA_SECTION if defined.
6074 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6075 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6077 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6080 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6083 2006-05-16 Ben Elliston <bje@au.ibm.com>
6085 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6087 2006-05-15 Per Bothner <per@bothner.com>
6089 * tree.c: (last_annotated_node): Use source_locus typedef.
6090 This permits bootstrapping with --enable-mapped-location.
6092 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6094 PR tree-optimization/26830
6095 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6096 (info_for_ssa_name, current_info_for_ssa_name_age,
6097 blocks_to_update): New variables.
6098 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6099 (clear_ssa_name_info, initialize_flags_in_bb,
6100 mark_block_for_update): New functions.
6101 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6102 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6103 prepare_def_site_for): Use mark_block_for_update.
6104 (mark_def_interesting): Assert that the processed block is marked in
6105 blocks_to_update. Do not take blocks argument.
6106 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6108 (rewrite_update_init_block, rewrite_update_stmt): Only process
6109 blocks with statements to rewrite.
6110 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6111 (update_ssa): Initialize and free blocks_to_update. Do not
6112 clear flags on statements. Do not use blocks bitmap.
6113 * tree.h (SSA_NAME_AUX): Removed.
6114 (struct tree_ssa_name): Removed aux field.
6115 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6117 2006-05-15 Richard Guenther <rguenther@suse.de>
6119 PR tree-optimization/27603
6120 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6121 Do computations in original type.
6123 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6125 * see.c: Code style changes such as redundant paranthesis,
6126 redundant intialization of local variables etc.
6127 (see_main): Declared now as static.
6128 * doc/invoke.texi: Update that -fsee is not enabled by
6131 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6133 * omp-low.c (check_omp_nesting_restrictions): New function.
6134 (scan_omp_1): Call it.
6137 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6138 construct, return *VAR.
6140 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6142 PR rtl-optimization/27406
6143 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6146 2006-05-14 Roger Sayle <roger@eyesopen.com>
6148 PR rtl-optimization/27538
6149 * combine.c (expand_compound_operation): Call gen_lowpart
6150 before calling simplify_shift_const.
6152 2006-05-14 Roger Sayle <roger@eyesopen.com>
6154 PR rtl-optimization/22563
6155 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6156 a fixed width bitfield, always force the intermediates into psuedos.
6158 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6161 * mkconfig.sh: Use operator = instead of == for test.
6163 2006-05-13 Nick Clifton <nickc@redhat.com>
6165 * dwarf2out.c (dbx_reg_number): Check return value from
6166 LEAF_REG_REMAP and only use it if it is valid.
6167 (multiple_reg_loc_descriptor): Likewise.
6169 2006-05-13 Richard Guenther <rguenther@suse.de>
6171 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6174 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6176 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6177 information attached to non-INSNs such as NOTEs.
6178 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6180 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6182 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6184 * config/s390/s390.md: Adjust comment describing On constraint.
6186 2006-05-11 Jan Hubicka <jh@suse.cz>
6188 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6189 to be output at -O0.
6191 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6194 * fold-const.c (size_binop): Move sanity check for arguments to
6195 the beginning of the function.
6198 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6201 2006-05-11 Richard Guenther <rguenther@suse.de>
6204 * fold-const.c (fold_unary): Handle intermediate conversion
6205 to a pointer type like intermediate conversion to an integer
6206 type in folding of (T1)(T2)var to var.
6207 Match the code to the comment in the final conversion for
6208 (T1)(T2)var to (T1)var regarding to type precision. Rather
6209 than disallow T1 being of pointer type, assert that both T1
6210 and var are of pointer type or not. Make sure not to fall
6211 over the frontends lazyness wrt array to pointer decay though.
6213 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6215 * arm.c (arm_struct_value_rtx): Delete.
6216 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6217 (arm_init_cumulative_args): Always initialize nregs to zero.
6219 2006-05-10 Richard Guenther <rguenther@suse.de>
6221 PR tree-optimization/27532
6222 * tree-object-size.c (plus_expr_object_size): Fix typo.
6224 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6227 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6228 ashrdi_const, ashrdi3): Use a scratch register.
6230 2006-05-10 Richard Guenther <rguenther@suse.de>
6232 PR tree-optimization/27302
6233 * fold-const.c (operand_equal_p): For two comparisons,
6234 try comparison of one comparison code swapped if that yields
6237 2006-05-10 Ben Elliston <bje@au.ibm.com>
6239 * tree-pretty-print.c (pretty_print_string): No need to handle
6240 '\0' as a special character.
6242 * tree.h: Include "hashtab.h".
6243 (iterative_hash_expr): Use hashval_t in its prototype.
6244 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6246 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6249 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6250 (hppa*64*-*-hpux11*): Ditto.
6251 (hppa[12]*-*-hpux11*): Ditto.
6253 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6256 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6258 2006-05-09 Michael Matz <matz@suse.de>
6260 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6261 host_extra_gcc_objs and host_xmake_file.
6262 (<*-*-linux*>): Don't overwrite host_xmake_file.
6263 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6264 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6265 (host_detect_local_cpu): Declare.
6266 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6267 * config/i386/i386.c (override_options): Handle -mtune=native
6269 * config/i386/x-i386: New file.
6270 * config/i386/driver-i386.c: New file.
6271 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6274 2006-05-09 Dirk Mueller <dmueller@suse.de>
6275 Richard Guenther <rguenther@suse.de>
6278 * fold-const.c (fold_read_from_constant_string): Relax check
6279 for matching types to matching modes.
6281 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6283 PR rtl-optimization/27335
6284 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6287 2006-05-08 Chao-ying Fu <fu@mips.com>
6288 Richard Sandiford <richard@codesourcery.com>
6290 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6291 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6292 * config/mips/mips.md (UNSPEC_SCC): New constant.
6293 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6294 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6295 (mips_emit_compare): Use it.
6296 (mips_expand_vcondv2sf): New function.
6298 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6300 Fix PR tree-optimization/27093
6301 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6302 renaming when they become not-used_alone.
6304 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6306 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6307 relocation and relocation stubs.
6309 2006-05-08 Eric Christopher <echristo@apple.com>
6311 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6314 2006-05-08 Jan Hubicka <jh@suse.cz>
6317 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6318 unused static functions are needed.
6320 2006-05-08 Roger Sayle <roger@eyesopen.com>
6323 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6324 of a reg_equiv_constant if the result is a legitimate constant.
6326 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6329 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6330 standard 80387 constants, raise the cost to prevent
6331 compress_float_constant() to generate load from memory.
6333 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6335 * config/arm/constraints.md (c): Fix a typo.
6337 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6340 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6343 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6345 (_mm_mwait): Likewise.
6347 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6349 (sse3_monitor): Make it 32bit only.
6350 (sse3_monitor64): New. 64bit monitor.
6352 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6355 * config/i386/i386.c (classify_argument): Skip fields with invalid
6358 2006-05-07 Richard Guenther <rguenther@suse.de>
6360 PR tree-optimization/27409
6361 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6362 Do not try to find zero-sized subvars.
6364 2006-05-07 Richard Guenther <rguenther@suse.de>
6366 PR tree-optimization/27136
6367 * tree-ssa-loop-niter.c (get_val_for): Correct function
6368 comment, assert requirements.
6369 (loop_niter_by_eval): Stop processing if the iterated
6370 value did not simplify.
6372 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6374 * opts.c (flag_see): remove its setting at -O3.
6376 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6378 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6379 * arm/constraints.md: New file.
6380 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6381 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6382 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6383 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6384 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6385 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6386 * arm.md: Include constraints.md.
6387 (thumb_movsi_insn): Use satisfies_constraint_J.
6388 (movhi, movqi): Use satisfies_constraint_I.
6390 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6392 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6393 for atmeg a645 device.
6395 2006-05-06 Richard Guenther <rguenther@suse.de>
6397 PR tree-optimization/27151
6398 * tree-vect-transform.c (vectorizable_condition): Punt on
6399 values that have a different type than the condition.
6401 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6404 * c-parser.c (c_parser_cast_expression): Only insert casts into
6405 hash table if pointer.
6406 * function.c (used_types_insert_helper): Rename from
6408 (used_types_insert): Call used_types_insert_helper.
6409 * function.h (used_types_insert): Accept only one argument.
6411 2006-05-05 David Edelsohn <edesohn@gnu.org>
6413 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6414 scratch with output modifier.
6416 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6419 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6420 with output modifier.
6422 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6425 * config/mips/mips.c (mips_symbolic_address_p): Return true
6426 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6427 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6429 2006-05-04 Richard Guenther <rguenther@suse.de>
6431 PR tree-optimization/14287
6432 PR tree-optimization/14844
6433 PR tree-optimization/19792
6434 PR tree-optimization/21608
6435 PR tree-optimization/27090
6436 * tree-ssa-pre.c (try_combine_conversion): New function.
6437 (compute_avail): After constructing the value-handle
6438 expression, use try_combine_conversion to combine NOP_EXPRs
6439 with previous value-handle expressions and use the result if it
6442 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6444 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6446 2006-05-04 Jan Hubicka <jh@suse.cz>
6449 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6451 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6453 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6454 that this only matches CONST_INTs. All users changed to VOIDmode
6457 * config/bfin/bfin.c: Include "optabs.h".
6458 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6460 (enum bfin_builtins): Add a number of fractional and vector builtins.
6461 (bfin_init_builtins): Likewise.
6462 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6463 (safe_vector_operand, bfin_expand_binop_builtin,
6464 bfin_expand_unop_builtin): New functions.
6465 (bfin_expand_builtin): Handle the new builtins.
6466 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6469 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6472 * Makefile.in (OBJS-common): Add see.o.
6473 (see.o): Add dependencies.
6474 * common.opt (fsee): New flag for the see optimization was added.
6475 * opts.c (flag_see): Initialized.
6476 * passes.c (init_optimization_passes, pass_see): New pass.
6477 * rtl.h (see_main): Declaration as extern.
6478 * timevar.def (TV_SEE): New.
6479 * tree-pass.h (pass_see): Declaration as extern.
6480 * invoke.texi (-fsee): Document.
6481 * recog.c (validate_simplify_insn): New function.
6482 * recog.h (validate_simplify_insn): Declaration as extern.
6483 * df-problems.c (df_chain_dump): Check for NULL.
6485 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6486 Daniel Berlin <dberlin@dberlin.org>
6488 * cfgrtl.c (insert_insn_bb_end_new): New function.
6489 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6491 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6493 * df.h (struct web_entry): Moved from web.c.
6494 (union_defs): Declaration as extern.
6495 (unionfind_root): Likewise.
6496 (unionfind_union): Likewise.
6497 * web.c (struct web_entry): Moved to df.h.
6498 (unionfind_root): Remove static declaration.
6499 (unionfind_union): Likewise.
6500 (union_defs): Likewise and generalize to use callback function.
6501 (web_main): Update arguments for union_defs function call.
6503 2006-05-04 Richard Guenther <rguenther@suse.de>
6505 PR tree-optimization/26447
6506 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6507 produce SSA_NAME copies before the store stmt to avoid
6508 breaking exception handling.
6510 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6513 * gimplify.c (omp_is_private): If var is shared in some outer context,
6514 return false instead of true. Stop searching on parallel context
6517 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6520 * coverage.c: Use get_gcov_unsigned_t() instead of
6521 unsigned_type_node all over.
6523 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6525 PR tree-optimization/27381
6526 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6527 maintain the same immediate_use links.
6528 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6529 node rather than segfaulting.
6531 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6534 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6535 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6536 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6538 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6540 Fix PR tree-optimization/26626
6541 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6543 * tree-ssa-operands.c (access_can_touch_variable): Allow
6544 typecasting through union pointers.
6546 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6549 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6550 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6551 to find if var will be a global variable even in the nested context.
6552 (omp_copy_decl): Only check for global variable at the end, it might
6553 be overridden in outer contexts.
6554 (scan_sharing_clauses): For global variables don't create a field.
6555 (lower_rec_input_clauses): Do nothing for global shared variables.
6556 Emit a barrier at the end of ILIST if there were any decls in both
6557 firstprivate and lastprivate clauses.
6558 (lower_send_clauses): Do nothing for global variables except for
6561 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6563 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6564 of the correct signedness is returned.
6566 2006-05-02 Jeff Law <law@redhat.com>
6568 PR tree-optimization/27364
6569 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6570 multiply expressions.
6572 2006-05-02 Tom Tromey <tromey@redhat.com>
6574 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6576 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6579 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6580 -mthumb -fPIC are used.
6582 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6583 Joshua Kinard <kumba@gentoo.org>
6586 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6587 with 64-bit pointers.
6589 2006-05-02 Paul Brook <paul@codesourcery.com>
6591 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6593 (create_fix_barrier): Check that a suitable barrier location is
6595 (arm_reorg): Include ftmp->address in allowable range of addresses.
6597 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6600 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6603 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6606 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6607 around RESULT_DECL for result passed by reference.
6608 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6609 * omp-low.c (use_pointer_for_field): Don't look at
6610 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6611 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6612 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6613 time or var for passing by reference for
6614 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6615 TREE_ADDRESSABLE variables when passing by reference.
6617 * omp-low.c (dump_omp_region): Fix output formatting.
6620 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6621 (expand_omp_parallel): Likewise.
6622 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6625 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6626 on statement list containing also constructors and destructors.
6627 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6630 * except.c (duplicate_eh_regions): Fix clearing of
6631 cfun->eh->region_array entries.
6633 2006-05-01 DJ Delorie <dj@redhat.com>
6635 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6637 (gcc_cv_objdump): Likewise.
6638 * configure: Regenerated.
6640 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6643 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6644 templates for case 3 and 4.
6646 2006-05-01 DJ Delorie <dj@redhat.com>
6648 * vec.c: Include bconfig.h when appropriate.
6649 * Makefile.in (build/vec.o): Adjust dependencies.
6650 * mkconfig.sh: Make sure config.h isn't used for build machine
6653 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6655 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6657 (mark_phi_for_rewrite): New function.
6658 (insert_phi_nodes_for, mark_use_interesting): Call
6659 mark_phi_for_rewrite.
6660 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6661 (update_ssa): Initialize and free phis_to_rewrite.
6663 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6665 PR rtl-optimization/27291
6666 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6667 folded to a constant.
6669 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6671 PR tree-optimization/27283
6672 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6673 not whole # of iteration descriptions.
6674 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6675 uses abnormal ssa name.
6676 (niter_for_single_dom_exit): Ditto.
6677 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6678 return just the number of iterations.
6680 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6682 PR tree-optimization/27144
6683 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6684 (record_estimate): Only record constant upper bound.
6685 (infer_loop_bounds_from_undefined): Call
6686 compute_estimated_nb_iterations just once.
6687 (proved_non_wrapping_p): Renamed to ...
6688 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6689 (convert_step_widening, scev_probably_wraps_p): Call
6690 n_of_executions_at_most instead of proved_non_wrapping_p.
6691 (substitute_in_loop_info): Do not replace values in bounds.
6692 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6695 2006-05-01 Richard Henderson <rth@redhat.com>
6698 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6699 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6702 2006-05-01 Roger Sayle <roger@eyesopen.com>
6704 * c-typeck.c (parser_build_binary_op): Don't call the function
6705 unsigned_conversion_warning to spot operand/result type overflow.
6706 (build_binary_op): Instead, call convert_and_check instead of
6707 convert to report the problem when the operands are promoted.
6708 * c-common.c (unsigned_conversion_warning): Make static.
6709 * c-common.h (unsigned_conversion_warning): Delete prototype.
6711 2006-05-01 Richard Guenther <rguenther@suse.de>
6713 PR tree-optimization/26726
6714 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6716 (find_interesting_uses_address): ... we work around here
6717 by folding INDIRECT_REFs in the substituted base.
6719 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6721 * omp-low.c (dump_omp_region): Add newlines.
6723 2006-04-30 Roger Sayle <roger@eyesopen.com>
6725 * common.opt (Woverflow): New command line option.
6726 * c-common.c (constant_expression_warning): Check warn_overflow.
6727 (overflow_waring): Pass OPT_Woverflow to warning.
6728 (unsigned_conversion_warning): Likewise.
6729 (convert_and_check): Likewise.
6730 * doc/invoke.texi: Document new command line option.
6732 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6734 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6735 TARGET_NO_FP_IN_TOC for section anchors.
6736 (optimization_options): Enable section anchors for all
6737 non-"Objective" languages.
6739 2006-04-28 Eric Christopher <echristo@apple.com>
6741 * config/darwin-c.c (darwin_ms_struct): Move this
6742 (darwin_set_default_type_attributes): and this...
6743 * config/darwin.c: ... here.
6744 * config/darwin.h (darwin_ms_struct): Declare.
6746 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6748 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6750 2006-04-28 Roger Sayle <roger@eyesopen.com>
6753 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6754 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6755 an unsigned HOST_WIDE_INT.
6756 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6758 (really_start_incremental_init): No need to call convert because
6759 bitsize_zero_node is already of type bitsizetype.
6760 (push_init_level): Extract the value of constructor_index as an
6761 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6762 (process_init_element): Likewise.
6764 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6766 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6767 value before passing to make_relative_prefix.
6769 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6772 * builtins.c (expand_builtin_memset): Expand val in original mode.
6774 2006-04-27 Eric Christopher <echristo@apple.com>
6776 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6777 with #ifndef/#endif.
6778 * config/darwin-c.c (darwin_ms_struct): New.
6779 (darwin_pragma_ms_struct): Ditto.
6780 (darwin_set_default_type_attributes): Ditto.
6781 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6782 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6783 Register ms_struct pragma.
6784 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6785 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6786 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6787 darwin_set_default_type_attributes if TARGET_MACHO.
6789 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6791 PR tree-optimization/26854
6792 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6793 * doc/tree-ssa.texi: Update immuse iterator documentation.
6794 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6795 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6796 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6797 first_safe_imm_use, next_safe_imm_use): Remove.
6798 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6799 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6800 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6801 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6802 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6803 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6804 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6805 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6806 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6807 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6808 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6809 (perfect_nestify): Use new iterator.
6810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6812 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6813 (next_imm_name): New field in struct immediate_use_iterator_d.
6814 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6815 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6816 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6817 * tree-cfg.c (replace_uses_by): Use new iterator.
6818 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6819 * tree-ssa-operands.c (correct_use_link): Remove.
6820 (finalize_ssa_use_ops): No longer call correct_use_link.
6822 2006-04-27 Stuart Hastings <stuart@apple.com>
6824 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6825 * config/t-darwin (crt3.o): Use it.
6826 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6827 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6828 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6829 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6830 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6833 2006-04-27 Roger Sayle <roger@eyesopen.com>
6835 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6836 size, force the intermediate into a new pseudo rather instead of
6837 performing both a bitwise AND and a bitwise IOR in memory.
6839 2006-04-27 Richard Guenther <rguenther@suse.de>
6841 PR rtl-optimization/26685
6842 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6843 this one "max-flow-memory-locations".
6845 2006-04-27 Richard Guenther <rguenther@suse.de>
6847 PR tree-optimization/25148
6848 * tree-vrp.c (compare_values): Remove code dealing with
6849 comparisons against type min/max value. Honour overflow
6850 and negative constants in code dealing with comparisons
6851 of plus and minus expressions.
6852 (value_inside_range): Use fold_binary with LE_EXPR and
6853 GE_EXPR rather than compare_values.
6855 2006-04-27 Dirk Mueller <dmueller@suse.de>
6857 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6860 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6862 * basic-block.h (safe_insert_insn_on_edge): Removed.
6863 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6865 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6866 Paolo Bonzini <bonzini@gnu.org>
6869 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6870 (simplify_and_const_int): Same.
6872 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6874 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6876 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6879 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6880 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6881 cgraph_global_info_ready.
6884 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6887 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6888 either decl or init is error_mark_node.
6891 * tree-flow.h (struct omp_region): Add sched_kind.
6892 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6893 instead of extracting omp for data.
6894 (expand_omp_for): Save extracted sched_kind.
6896 2006-04-25 Roger Sayle <roger@eyesopen.com>
6898 * expmed.c (store_bit_field): Also check whether the bitsize is
6899 valid for the machine's "insv" instruction before moving the
6900 target into a pseudo for use with the insv.
6901 * config/i386/predicates.md (const8_operand): New predicate.
6902 * config/i386/i386.md (extv, extzv, insv): Use the new
6903 const8_operand predicate where appropriate.
6905 2006-04-25 DJ Delorie <dj@redhat.com>
6907 * doc/install.texi (Specific): Clarify that this is not a list of
6908 supported hosts or targets.
6910 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6912 PR rtl-optimization/26725
6913 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6914 block's BB_DIRTY flag.
6916 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6918 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6921 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6922 to print an integer.
6924 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6926 * varasm.c (align_variable): New function.
6927 (get_block_for_decl): Apply align_variable to DECL before
6928 calculating section information.
6929 (assemble_variable): Split out alignment computation.
6931 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6933 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6936 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6938 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6939 MODE_PARTIAL_INT mode.
6940 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6941 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6943 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6944 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6946 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6948 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6950 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6951 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6952 MACFLAG_IH): Likewise.
6953 (movstricthi_1): Renamed from "*movstricthi".
6954 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6955 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6956 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6957 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6958 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6959 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6960 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6961 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6962 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6963 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6964 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6965 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6966 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6967 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6968 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6970 * doc/rtl.texi (ss_ashift): Improve wording.
6972 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6974 * dwarf2out.c (verify_marks_clear): New.
6975 (prune_unused_types): Call verify_marks_clear initially, not
6978 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6980 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6981 * doc/rtl.texi: Document them.
6982 * simplify-rtx.c (simplify_unary_operation,
6983 simplify_binary_operation_1): Don't abort when we see them.
6985 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6988 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6989 * configure.ac: Completely disregard languages that are not
6991 * configure: Regenerated.
6993 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6994 Richard Guenther <rguenther@suse.de>
6996 PR tree-optimization/27236
6997 * tree-inline.c (copy_body_r): Make sure to copy
6998 TREE_THIS_VOLATILE flag.
7000 2006-04-24 Richard Guenther <rguenther@suse.de>
7003 * tree-complex.c (update_parameter_components): Don't handle
7004 unused parameters which have no default def.
7006 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7007 Richard Guenther <rguenther@suse.de>
7009 PR tree-optimization/27218
7010 * tree-inline.c (expand_call_inline): Strip useless type
7011 conversions for the return slot address.
7013 2006-04-24 Richard Guenther <rguenther@suse.de>
7015 * cfgloop.h (struct loops): Remove unused field array. Reorder
7017 (LOOP_PREFETCH): Remove.
7019 2006-04-24 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/22525
7022 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7023 variable, adjust types of generated expressions.
7025 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7027 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7028 (tree-vect-patterns.o): Likewise.
7030 (cselib.o): Likewise.
7031 (loop-doloop.o): Likewise.
7032 (regclass.o): Likewise.
7033 (reload1.o): Likewise.
7034 (explow.o): Replace target.h with $(TARGET_H).
7035 (ipa-prop.o): Likewise.
7036 (ipa-cp.o): Likewise.
7037 (ipa-inline.o): Likewise.
7038 (reorg.o): Likewise.
7039 (reg-stack.o): Likewise.
7041 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7043 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7045 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7047 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7049 * configure.ac: Completely disregard languages that are not
7051 * configure: Regenerated.
7054 * c-common.h (c_build_bitfield_integer_type): Declare.
7055 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7056 * c-common.c (c_build_bitfield_integer_type): ... here.
7058 2006-04-23 Roger Sayle <roger@eyesopen.com>
7061 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7062 a SImode SUBREG of a floating point register after no_new_pseudos.
7064 2006-04-23 Roger Sayle <roger@eyesopen.com>
7066 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7067 identify potentially eliminable registers to additionally catch
7068 VIRTUAL_INCOMING_ARGS_REGNUM.
7069 (addsi3): Update the conditions on when to use addsi_small_int.
7071 2006-04-23 Roger Sayle <roger@eyesopen.com>
7074 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7075 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7076 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7078 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7080 * fold-const.c (range_predecessor): Use operand_equal_p
7081 as the predicate for equality.
7082 (range_successor): Likewise.
7084 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7087 * config/soft-fp/op-common.h: Fix a typo.
7089 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7092 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7093 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7095 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7097 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7099 * doc/tm.texi: Fix a typo.
7101 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7103 * dwarf2out.c (struct die_struct): Document that die_sib makes
7104 a circular linked list.
7105 (FOR_EACH_CHILD): New.
7106 (reverse_die_lists): Delete.
7107 (reverse_all_dies): Delete.
7108 (add_dwarf_attr): Correct documentation.
7109 (remove_child_with_prev): New.
7110 (remove_child_TAG): Update for change to die_struct, use
7111 remove_child_with_prev.
7112 (add_child_die): Update for change to die_struct.
7113 (splice_child_die): Use remove_child_with_prev and add_child_die.
7114 (print_die): Use FOR_EACH_CHILD.
7115 (die_checksum): Likewise.
7116 (assign_symbol_names): Likewise.
7117 (output_location_lists): Likewise.
7118 (build_abbrev_table): Likewise.
7119 (calc_die_sizes): Likewise.
7120 (mark_dies): Likewise.
7121 (unmark_dies): Likewise.
7122 (unmark_all_dies): Likewise.
7123 (output_die): Likewise.
7124 (prune_unused_types_mark): Likewise.
7125 (prune_unused_types_walk): Likewise.
7126 (same_die_p): Update for change to die_struct.
7127 (break_out_includes): Likewise.
7128 (prune_unused_types_prune): Likewise.
7129 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7130 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7132 (dwarf2out_finish): Don't call reverse_all_dies.
7134 2006-04-21 Eric Christopher <echristo@apple.com>
7136 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7137 in comments and function names.
7139 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7142 * c-typeck.c (digest_init): Robustify.
7144 * c-typeck.c (pop_init_level): Simplify.
7146 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7148 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7150 2006-04-21 Paul Brook <paul@codesourcery.com>
7152 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7153 hardware floating point.
7155 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7157 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7160 2006-04-21 Nick Clifton <nickc@redhat.com>
7162 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7165 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7168 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7169 C++ lang type in traceback table for Objective-C++.
7171 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7173 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7175 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7177 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7180 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7181 were errors. Remove check for erroneous objects.
7183 2006-04-20 Jeff Law <law@redhat.com>
7185 PR tree-optimization/26854
7186 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7187 checking for zero or one use.
7188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7189 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7190 * tree-ssa-reassoc.c (negate_value): Similarly.
7191 (reassociate_bb): Similarly.
7193 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7195 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7196 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7197 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7199 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7201 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7202 fp regs if the last fp arg doesn't fit in regs.
7204 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7207 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7208 that the last insn has the REG_INC note.
7210 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7211 Nathan Sidwell <nathan@codesourcery.com>
7214 * stor-layout.c (update_alignment_for_field): Do not align
7216 (place_union_field): Place union field at the start of the union.
7217 (place_field): Move ERROR_MARK check later, and use the current
7218 allocation position to maintain monotonicity.
7220 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7222 * dominance.c: Include timevar.h.
7223 (calculate_dominance_info): Use TV_DOMINANCE.
7224 * timevar.def (TV_DOMINANCE): New timevar.
7225 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7227 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7229 PR rtl-optimization/14261
7230 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7231 move would be an INSV insn.
7232 (noce_process_if_block): Don't optimize if the destination is a
7233 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7235 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7237 * config/s390/s390.md: Add comments with the instructions emitted
7238 by an insn pattern if macros are used.
7240 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7242 PR rtl-optimization/26026
7243 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7244 is a known power of two shifted left a variable amount.
7246 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7248 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7249 to hash table twice when the debug_str section has SECTION_MERGE.
7251 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7253 * config/soft-fp: New directory. From glibc.
7254 * config/soft-fp/t-softfp: New.
7255 * config/soft-fp/README: New.
7256 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7257 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7258 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7259 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7260 * config.gcc: Use rs6000/t-fprules-fpbit or
7261 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7263 * config/rs6000/sfp-machine.h: New. Based on glibc.
7264 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7266 * config/rs6000/t-fprules: Remove fp-bit rules.
7267 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7268 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7269 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7270 (softfp_wrap_start, softfp_wrap_end): New.
7272 2006-04-18 DJ Delorie <dj@redhat.com>
7274 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7276 2006-04-18 Devang Patel <dpatel@apple.com>
7278 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7280 2006-04-18 Nick Clifton <nickc@redhat.com>
7282 * config/sh/t-symbian: Add rule to build sh-c.o
7283 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7284 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7285 (sh_symbian_encode_section_info): Likewise.
7287 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7289 * builtins.c (expand_builtin_strcmp): Cover label definition of
7290 do_libcall with HAVE_cmpstrnsi.
7292 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7294 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7296 * function.h (temp_slot_p): New.
7297 (function): Change the type of x_used_temp_slots to
7298 VEC(temp_slot_p,gc) *.
7300 2006-04-18 Nick Clifton <nickc@redhat.com>
7302 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7303 flag_strength_reduce.
7305 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7307 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7311 Partial revert of revision 112637
7312 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7313 Dale Johannesen <dalej@apple.com>
7316 * regclass.c (struct reg_pref): Update documentation.
7317 (regclass): Set prefclass to NO_REGS if memory is the best option.
7318 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7320 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7322 PR tree-optimization/26821
7323 * tree-ssa-math-opts.c (get_constant_one): New.
7324 (insert_reciprocals): Use it.
7326 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7328 * dwarf2out.c (free_AT): Delete.
7329 (remove_AT): Update string ref counts.
7330 (remove_child_TAG): Don't call free_die.
7332 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7333 or DW_TAG_GNU_EINCL.
7334 (prune_unused_types_walk_attribs): Reset string refcounts.
7335 (prune_unused_types_update_strings): New.
7336 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7337 call free_die. Do call prune_unused_types_update_strings.
7338 (prune_unused_types): Empty debug_str_hash.
7340 2006-04-17 Roger Sayle <roger@eyesopen.com>
7342 * expr.c (expand_assignment): Optimize away no-op moves where the
7343 source and destination are equal and have no side-effects.
7345 2006-04-17 Richard Guenther <rguenther@suse.de>
7348 * reload.c (push_reload): Guard calls to get_secondary_mem
7351 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7353 * alias.c (reg_base_value, old_reg_base_value): Change the
7354 type to VEC(rtx,gc) *.
7355 (REG_BASE_VALUE, find_base_value, record_set,
7356 init_alias_analysis): Use VEC instead of VARRAY.
7358 * alias.c (alias_sets): Change the type to
7359 VEC(alias_set_entry,gc) *.
7360 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7361 VEC instead of VARRAY.
7362 (last_alias_set): Remove.
7364 * cgraph.h (cgraph_edge_p): New.
7365 Update the prototype of cgraph_function_versioning.
7366 * cgraphunit.c (cgraph_copy_node_for_versioning,
7367 cgraph_function_versioning): Use VEC instead of VARRAY.
7368 * ipa-cp.c (ipcp_insert_stage): Likewise.
7370 2006-04-16 Roger Sayle <roger@eyesopen.com>
7373 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7374 "A op B" or "A op C", we may need to convert A to the type of B and C.
7376 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7378 * target.h (struct gcc_target): Add mode_rep_extended.
7379 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7380 (init_num_sign_bit_copies_in_rep): Initialize it using
7382 (truncate_to_mode): Use it.
7383 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7384 * targhooks.h (default_mode_rep_extended): Declare it.
7385 * targhooks.c (default_mode_rep_extended): Define it.
7386 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7387 default_mode_rep_extended.
7388 (TARGET_INITIALIZER): Include it.
7389 * doc/tm.texi (Misc): Document it.
7390 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7391 (mips_truncated_to_mode): New function.
7393 2006-04-16 Roger Sayle <roger@eyesopen.com>
7396 * expr.c (compress_float_constant): Copy the narrow constant into
7397 a new pseudo before extending it to its final width.
7399 2006-04-16 Roger Sayle <roger@eyesopen.com>
7400 Andrew Pinski <pinskia@gcc.gnu.org>
7401 Dale Johannesen <dalej@apple.com>
7404 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7405 special case code to implement V8HImode and V16QImode with SSE2.
7407 2006-04-15 Roger Sayle <roger@eyesopen.com>
7409 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7410 trees are constructed with a suitable tree type.
7412 2006-04-15 Roger Sayle <roger@eyesopen.com>
7414 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7415 (integer_onep): Likewise.
7416 (integer_all_onesp): Likewise.
7417 (integer_pow2p): Likewise.
7418 (integer_nonzerop): Likewise.
7419 (real_zerop): Likewise.
7420 (real_onep): Likewise.
7421 (real_twop): Likewise.
7422 (real_minus_onep): Likewise.
7423 (int_size_in_bytes): Likewise.
7424 (host_integerp): Likewise.
7426 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7428 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7429 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7430 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7432 * tree-ssa-structalias.h (alias_info): Remove num_references.
7434 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7436 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7437 (output_bvb patterns): Likewise.
7438 * pa.c (output_bb): Use 'bb' insn for long branch case.
7439 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7440 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7441 1. Correct length operand for alternatives 1 and 2.
7442 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7443 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7445 2006-04-14 Roger Sayle <roger@eyesopen.com>
7447 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7448 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7449 were accidentally reverted by r112959.
7451 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7454 * except.h (eh_region_outermost): New prototype.
7455 * except.c (eh_region_outermost): New function.
7456 * tree-cfg.c (find_outermost_region_in_block): Use it.
7458 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7460 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7462 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7463 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7464 (init_reload, reload): Use VEC instead of VARRAY.
7465 * reload.h: Update the prototype for
7466 reg_equiv_memory_loc_varray.
7468 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7469 Eric Botcazou <ebotcazou@libertysurf.fr>
7471 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7474 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7477 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7478 to expand fallback builtin function call.
7480 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7483 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7484 and emit libcall here in case the builtin fails.
7485 (expand_builtin_strcmp): Always emit the libcall here on failure.
7487 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7489 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7490 * flow.c (reg_n_info): Change the type to
7491 VEC(reg_info_p,heap) *.
7492 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7494 * regs.h (reg_info_p): New.
7495 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7496 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7497 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7500 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7502 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7504 * params.h (MAX_SCHED_READY_INSNS): New macro.
7505 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7506 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7507 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7508 the ready list for 1 cycle during the first scheduling pass.
7509 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7511 2006-04-13 Richard Henderson <rth@redhat.com>
7514 * gimple-low.c (lower_omp_directive): Remove dead code.
7515 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7516 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7517 * omp-low.c (struct omp_region): Move to tree-flow.h.
7518 (root_omp_region): Export.
7519 (omp_regions, lookup_omp_region): Remove.
7520 (determine_parallel_type): Update for struct omp_region changes.
7521 (dump_omp_region): Dump regions with block numbers.
7522 (new_omp_region): Take type and block instead of stmt; malloc
7524 (free_omp_region_1, free_omp_regions): New.
7525 (expand_parallel_call): Take entry_stmt as argument; update for
7526 changes to omp_region.
7527 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7528 (remove_exit_barriers): New.
7529 (expand_omp_parallel): Update for struct omp_region changes.
7530 (expand_omp_synch): Likewise.
7531 (expand_omp): Likewise.
7532 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7533 (expand_omp_for_static_chunk): Likewise.
7534 (expand_omp_for): Likewise.
7535 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7536 (expand_omp_sections): Similarly, with GOMP_sections_end.
7537 (expand_omp_single): New.
7538 (build_omp_regions_1): Update for OMP_CONTINUE.
7539 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7540 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7541 OMP_SECTIONS_SECTIONS.
7542 (lower_omp_single_simple): Don't emit barrier here.
7543 (lower_omp_single_copy): Likewise.
7544 (lower_omp_single): Fix bindings, and lower to straightline now.
7545 (lower_omp_master, lower_omp_ordered): Likewise.
7546 (lower_omp_critical): Likewise.
7547 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7548 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7549 omp edges, free it afterward.
7550 (make_omp_sections_edges): Remove.
7551 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7552 (move_stmt_r): Handle OMP_CONTINUE.
7553 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7554 statement pointers to basic blocks. Add type member.
7555 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7556 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7557 * tree-inline.c (estimate_num_insns_1): Likewise.
7558 * tree-pretty-print.c (dump_generic_node): Likewise.
7559 * tree-ssa-operands.c (get_expr_operands): Likewise.
7560 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7561 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7562 (OMP_CONTINUE): New.
7563 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7564 (OMP_SECTIONS_SECTIONS): Remove.
7565 (OMP_SECTION_LAST): New.
7566 (OMP_RETURN_NOWAIT): New.
7568 2006-04-13 Roger Sayle <roger@eyesopen.com>
7570 * fold-const.c (native_encode_vector, native_interpret_real):
7571 Correct obvious mistakes in the previous check-in.
7573 2006-04-13 Roger Sayle <roger@eyesopen.com>
7575 * fold-const.c (native_encode_expr): New function to encode
7576 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7577 or VECTOR_CST into a specified buffer.
7578 (native_encode_int): New function.
7579 (native_encode_real): New function.
7580 (native_encode_complex): New function.
7581 (native_encode_vector): New function.
7582 (native_interpret_expr): Inverse of native_encode_expr to convert
7583 a target representation into an INTEGER_CST, REAL_CST etc...
7584 (native_interpret_int): New function.
7585 (native_interpret_real): New function.
7586 (native_interpret_complex): New function.
7587 (native_interpret_vector): New function.
7588 (fold_view_convert_expr): New function to constant fold/evaluate
7589 a VIEW_CONVERT_EXPR of a suitable constant expression.
7590 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7591 Change call of build1 to fold_build1 when constructing a
7594 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7595 Ulrich Weigand <uweigand@de.ibm.com>
7598 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7601 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7604 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7605 optimize to lo_sum for DFmode if !TARGET_FPRS.
7607 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7609 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7610 delete_alias_info, compute_flow_sensitive_aliasing,
7611 group_aliases): Use VEC instead of VARRAY.
7612 * tree-ssa-structalias.c (update_alias_info): Likewise.
7613 * tree-ssa-structalias.h (alias_info): Change the type of
7614 processed_ptrs to VEC(tree,heap) *.
7616 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7619 * config/sh/lib1funcs.h: New file, broken out of:
7620 * config/sh/lib1funcs.asm.
7621 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7623 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7624 * config/sh/lib1funcs-Os-4-200.asm: New file.
7625 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7626 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7627 (EXTRA_MULTILIB_PARTS): Include it.
7628 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7629 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7630 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7631 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7634 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7636 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7637 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7638 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7640 * tree-ssa-live.h: Include vecprim.h.
7641 (tree_partition_associator_d): Change the type of
7642 first_partition to VEC(int,heap) *.
7643 (tpa_first_partition): Use VEC instead of VARRAY.
7645 * Makefile.in (GTFILES): Move functions.h after tree.h.
7646 * function.c (reset_block_changes, record_block_change,
7647 check_block_change, free_block_changes): Use VEC instead of
7649 * function.h (function): Change the type of
7650 ib_boundaries_block to VEC(tree,gc) *.
7651 * tree-inline.c (copy_cfg_body): Initialize
7652 ib_boundaries_block to NULL instead of (varray_type) 0.
7654 2006-04-12 Roger Sayle <roger@eyesopen.com>
7656 * expr.c (emit_group_store): Correct operand order in call to
7657 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7658 a SUBREG_BYTE of zero.
7660 2006-04-12 Richard Guenther <rguenther@suse.de>
7662 * profile.c (compute_branch_probabilities): Remove code
7663 encapsulated in !ir_type (), which are remanents of the
7664 removed RTL profiling code.
7665 * rtl-profile.c: Remove.
7667 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7669 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7670 magic NULL_RTX comment.
7671 (function_arg): Store entire fp arg to mem if any part should go
7673 (rs6000_arg_partial_bytes): Adjust for above change.
7675 2006-04-11 Roger Sayle <roger@eyesopen.com>
7677 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7678 if it hasn't been initialized by dwarf2out_init.
7680 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7682 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7683 symbolic constants in branch patterns.
7685 2006-04-11 Roger Sayle <roger@eyesopen.com>
7687 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7689 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7691 PR rtl-optimization/27073
7692 * gcse.c (try_replace_reg): Revert last change. Continue to search
7693 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7696 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7698 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7699 aggregate types other than record and union types.
7700 (function_arg): Likewise.
7701 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7703 (function_value): In 64-bit mode, return objects that require it
7706 2006-04-11 Roger Sayle <roger@eyesopen.com>
7708 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7710 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7712 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7714 2006-04-03 Jeff Law <law@redhat.com>
7717 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7718 alias information too.
7720 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7722 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7724 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7727 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7728 (premark_used_types_helper): New.
7729 (premark_used_types): New.
7730 (gen_subprogram_die): Call premark_used_types.
7731 (prune_unused_types_walk): Do not prune perennial dies.
7732 * function.c (used_types_insert): New.
7733 * function.h (struct function): Add used_types_hash field.
7734 (used_types_insert): Add prototype.
7735 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7736 * c-parser.c (c_parser_cast_expression): Save casted types in used
7739 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7742 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7743 rs6000_explicit_options.float_gprs.
7745 2006-04-10 Roger Sayle <roger@eyesopen.com>
7747 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7748 from ix86_expand_vector_init_low_nonzero. Take an additional
7749 one_var argument indicating which element is non-zero. Support
7750 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7751 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7752 with one_var instead of ix86_expand_vector_init_low_nonzero.
7754 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7756 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7757 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7758 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7759 build/genextract.o): Depend on vecprim.h.
7760 * cfglayout.c, df-problems.c, function.c, genextract.c,
7761 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7762 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7766 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7768 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7769 Declare VECs of this type.
7770 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7771 (remove_children): Delete.
7772 (add_dwarf_attr): Use VEC routines.
7773 (add_AT_flag): Update for changes to add_dwarf_attr.
7774 (add_AT_int): Likewise.
7775 (add_AT_unsigned): Likewise.
7776 (add_AT_long_long): Likewise.
7777 (add_AT_vec): Likewise.
7778 (add_AT_string): Likewise.
7779 (add_AT_die_ref): Likewise.
7780 (add_AT_fde_ref): Likewise.
7781 (add_AT_loc): Likewise.
7782 (add_AT_loc_list): Likewise.
7783 (add_AT_addr): Likewise.
7784 (add_AT_lbl_id): Likewise.
7785 (add_AT_lineptr): Likewise.
7786 (add_AT_macptr): Likewise.
7787 (add_AT_offset): Likewise.
7788 (add_AT_range_list): Likewise.
7789 (get_AT): Use VEC_iterate.
7790 (remove_AT): Use VEC_ordered_remove.
7791 (free_die): Fold remove_children into here; have it use VEC_iterate.
7792 (print_die): Use VEC_iterate on attrs.
7793 (reverse_die_lists): Don't reverse attr lists.
7794 (die_checksum): Use VEC_iterate on attrs.
7795 (same_die_p): Likewise.
7796 (output_location_lists): Likewise.
7797 (build_abbrev_table): Likewise.
7798 (size_of_die): Likewise.
7799 (unmark_all_dies): Likewise.
7800 (output_abbrev_section): Likewise.
7801 (output_die): Likewise.
7802 (prune_unused_types_walk_attribs): Likewise.
7804 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7806 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7808 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7811 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7813 2006-04-09 Roger Sayle <roger@eyesopen.com>
7815 * expr.c (store_constructor): Don't bother clearing target if
7816 we're about to assign a vector to it using vec_init_optab.
7818 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7820 * tree-ssa-alias.c (lhs_may_store_to): New function.
7821 (recalculate_used_alone): Handle LHS of calls.
7823 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7827 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7828 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7829 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7830 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7831 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7832 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7833 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7834 stubs. Add ".align 8" directives before all ".dword" directives.
7835 (GTHREAD_USE_WEAK): Revise comment.
7836 (TARGET_ATTRIBUTE_WEAK): Define.
7837 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7838 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7839 * stublib.c: New file.
7844 * pa.md (cbranch patterns): Revise arguments used in calls to
7845 output_cbranch, output_bb and output_bvd. Add long branch length
7847 (fbranch patterns): Handle long branches.
7848 (jump): Revise length check. Revise arguments for output_lbranch call.
7849 Add long branch length attributes.
7850 (decrement_and_branch_until_zero): Add long branch length attributes.
7851 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7852 Likewise. Revise arguments for output_parallel_addb and
7853 output_parallel_movb calls.
7854 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7855 output_parallel_movb and output_parallel_addb): Update prototypes.
7856 * pa.c (output_cbranch): Revise arguments. Correct handling of
7857 nullification in long branches.
7858 (output_lbranch): Add new argument to control extraction of delay
7860 (output_bb): Handle long branches.
7861 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7862 output_parallel_addb): Likewise.
7864 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7866 PR rtl-optimization/27073
7867 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7870 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7872 * tree.h (tree_memory_tag): Add old_used_alone.
7873 (SMT_OLD_USED_ALONE): New macro.
7874 * tree-ssa-alias.c (recalculate_used_alone): Stop
7875 marking things for renaming unnecessarily.
7877 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7879 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7880 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7881 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7882 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7883 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7884 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7885 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7886 spelling convensions.
7887 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7888 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7889 typos. Follow spelling conventions.
7891 2006-04-07 DJ Delorie <dj@redhat.com>
7893 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7894 passed on the stack.
7895 (m32c_init_cumulative_args): When a function returns a structure,
7896 always pass the pointer to that return area on the stack.
7897 (m32c_function_arg_advance): Don't increment the parameter number
7898 if we're processing the returned structure pointer.
7899 (pushm_info): Reverse order of registers.
7901 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7903 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7904 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7905 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7906 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7908 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7909 chrec_fold_multiply): Same.
7910 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7911 force_expr_to_var_cost): Same.
7912 * tree-mudflap.c (mf_xform_derefs_1): Same.
7913 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7915 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7917 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7918 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7921 2006-04-07 Jan Hubicka <jh@suse.cz>
7923 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7925 2006-04-07 Richard Guenther <rguenther@suse.de>
7927 PR tree-optimization/26135
7928 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7929 loads for store copy-prop.
7930 (copy_prop_visit_stmt): Likewise.
7932 2006-04-05 Robert Millan <robertmh@gnu.org>
7934 * config/i386/linux.h: Add a comment to mark macros that are
7935 being overriden in config/k*bsd-gnu.h.
7936 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7938 * config/knetbsd-gnu.h: Ditto.
7940 2006-04-06 Jan Hubicka <jh@suse.cz>
7944 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7947 2006-04-06 Mike Stump <mrs@apple.com>
7949 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7950 for HAVE_nonlocal_goto to be consistent.
7951 (expand_builtin_nonlocal_goto): Likewise.
7952 (expand_builtin_strcmp): Use #ifdef instead of #if
7953 for HAVE_cmpstrnsi to be consistent.
7955 2006-04-05 DJ Delorie <dj@redhat.com>
7957 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7960 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7962 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7963 got-relative addressing for anything but SImode.
7965 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7966 even if the calling function doesn't modify them.
7968 2006-04-05 Richard Guenther <rguenther@suse.de>
7970 PR tree-optimization/26919
7971 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7972 to cgraph_estimate_size_after_inlining.
7974 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7976 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7978 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7980 PR tree-optimization/26996
7981 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7982 VECTOR_TYPE variables.
7984 2006-04-05 Richard Guenther <rguenther@suse.de>
7986 PR tree-optimization/26763
7987 * fold-const.c (fold_comparison): Move folding of
7988 PTR + CST CMP PTR + CST ...
7989 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7991 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7993 * doc/install.texi (Prerequisites): Refine some wording on
7994 bootstrapping and ksh.
7995 Move the version numbers of DejaGnu here from the testing section
7996 and fix casing of names.
7997 Fix markup and clarify wording for autogen requirements.
7998 Refer to GCJ instead of just java.
7999 Refer to SVN instead of CVS.
8000 Describe diffutils as useful instead of necessary.
8001 (Downloading the source): Refer to SVN instead of CVS.
8002 Adjust a link to our web site accordingly.
8003 (Configuration): Fix casing of Bison.
8004 (Building): Refer to SVN instead of CVS.
8005 Fix a sentence on the use of Bison and remove duplicate (and
8006 incorrect) version number of Bison requirement.
8007 Remove one redundant list of packages needed for building.
8008 (Specific): Avoid reference to CVS.
8010 2006-04-04 Eric Christopher <echristo@apple.com>
8012 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8013 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8014 (rs6000_handle_struct_attribute): New.
8015 (rs6000_ms_bitfield_layout_p): Ditto.
8017 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8019 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8020 NULL for dso parameter to atexit_common.
8022 2006-04-04 Eric Christopher <echristo@apple.com>
8024 * config/i386/i386.c (machopic_output_stub): Output \t
8025 between instructions and operands.
8027 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8029 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8030 satisfies_constraint_[IL] to explicit tests on value.
8032 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8034 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8035 set_nb_iterations_in_loop): Use build_int_cst instead of
8037 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8038 build_int_cst instead of convert.
8040 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8042 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8043 new value 2 for incoming.
8044 * function.c (expand_function_start): Call struct_value_rtx
8046 * config/sparc/sparc.md: Comment updated_return.
8047 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8048 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8049 struct return if sparc_std_struct_return and incoming is 2.
8050 (print_operand): Do not adjust return if
8051 sparc_std_struct_return.
8053 2006-04-04 Roger Sayle <roger@eyesopen.com>
8055 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8056 convert in the middle-end.
8057 * expr.c (store_expr, store_constructor, get_inner_reference,
8058 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8060 * tree.c (build_range_type): Likewise.
8062 2006-04-04 Tom Tromey <tromey@redhat.com>
8064 * doc/install.texi (Prerequisites): Mention jar.
8066 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8068 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8071 2006-04-04 Matthias Klose <doko@debian.org>
8073 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8077 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8080 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8082 * doc/extend.texi (Function Attributes): Rewrite visibility
8083 attribute documentation.
8084 * doc/invoke.texi (C++ Dialect Options): Rewrite
8085 -fvisibility-inlines-hidden documentation to describe something
8086 entirely different, although in practise compatible.
8087 (Code Gen Options): Warn about system headers in -fvisibility=
8090 * doc/extend.texi (Other Builtins): Document that
8091 __builtin_nan is a compile-time constant only when its argument
8094 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8096 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8097 trying to remove TRUNCATE check if all bits outside the new mode
8098 are identical to the sign bit.
8100 2006-04-03 Jeff Law <law@redhat.com>
8102 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8103 and operand scanning in some common cases.
8105 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8106 Dale Johannesen <dalej@apple.com>
8109 * regclass.c (struct reg_pref): Update documentation.
8110 (regclass): Set prefclass to NO_REGS if memory is the best option.
8111 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8112 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8113 into account. For non-registers, equate an empty preferred
8114 reload class to a `!' in the constraint; move the if clause to
8115 do so after those that reject the insn.
8116 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8118 (find_dummy_reload): Likewise.
8119 * doc/tm.texi (Register Classes): Document what it means
8120 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8121 * config/i386/i386.c (ix86_preferred_reload_class): Force
8122 using SSE registers (and return NO_REGS for floating-point
8123 constants) if math is done with SSE.
8124 (ix86_preferred_output_reload_class): New.
8125 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8126 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8127 * config/i386/i386.md: Remove # register preferences.
8129 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8132 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8133 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8134 the type of nb_iter.
8135 (instantiate_parameters_1): Convert the operands before calling
8136 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8137 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8139 2006-04-02 Roger Sayle <roger@eyesopen.com>
8141 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8142 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8144 * dojump.c (do_jump): Likewise.
8145 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8146 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8147 gimplify_boolean_expr): Likewise.
8148 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8149 * varasm.c (array_size_for_constructor): Likewise.
8150 * tree-object-size.c (compute_object_offset): Likewise.
8152 2006-04-02 Roger Sayle <roger@eyesopen.com>
8155 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8156 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8158 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8160 PR tree-optimization/26939
8161 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8163 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8165 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8166 at_stmt. Convert the type of operands before calling
8167 build_polynomial_chrec.
8168 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8170 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8171 (instantiate_parameters_1): Convert the type of operands before calling
8172 build_polynomial_chrec.
8173 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8174 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8175 reset_evolution_in_loop): Insert asserts to check the types of the
8177 (chrec_type): Moved...
8178 (eq_evolutions_p): Use operand_equal_p.
8179 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8180 the types of the operands.
8181 (chrec_type): ...here.
8182 * tree-data-ref.c (create_data_ref): Convert the operands before
8183 calling chrec_replace_initial_condition.
8184 (same_access_functions, analyze_subscript_affine_affine,
8185 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8186 (compute_subscript_distance, analyze_ziv_subscript,
8187 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8188 analyze_miv_subscript): Convert the operands before calling
8189 chrec_fold_minus or chrec_fold_plus.
8191 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8193 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8194 the dependence_relations vector.
8195 (compute_data_dependences_for_loop): Adjust call to
8196 compute_all_dependences.
8198 2006-04-01 Roger Sayle <roger@eyesopen.com>
8199 Richard Henderson <rth@redhat.com>
8201 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8202 gimple_boolify on the condition before calling gimplify_expr.
8204 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8206 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8207 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8208 the frame size. Update to use the new macros.
8209 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8210 * config/xtensa/ieee754-df.S: Likewise.
8212 2006-03-31 Richard Henderson <rth@redhat.com>
8214 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8215 (make_edges): ... here. Control fallthru creation with a local
8216 variable. Do not play with fake edges.
8217 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8218 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8221 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8223 * dwarf2.h (DW64_CIE_ID): Define.
8224 * dwarf2out.c (DWARF_CIE_ID): Define.
8225 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8226 length header. Use DWARF_CIE_ID.
8227 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8228 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8230 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8232 * config/sh/linux-atomic.asm: New file.
8233 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8235 2006-03-31 DJ Delorie <dj@redhat.com>
8237 * config/m32c/cond.md: Set condition flags properly throughout.
8238 * config/m32c/minmax.md: Likewise.
8239 * config/m32c/prologue.md: Likewise.
8240 * config/m32c/bitops.md: Likewise.
8241 * config/m32c/muldiv.md: Likewise.
8242 * config/m32c/mov.md: Likewise.
8243 * config/m32c/addsub.md: Likewise.
8244 * config/m32c/m32c.md: Likewise.
8245 * config/m32c/jump.md: Likewise.
8246 * config/m32c/shift.md: Likewise.
8248 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8249 conditionally output the pattern for this.
8250 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8251 (m32c_compare_redundant): New.
8252 (m32c_output_compare): New.
8253 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8255 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8256 dest, not src. Allow other 4-byte modes.
8258 2006-03-30 Denis Chertykov <denisc@overta.ru>
8260 * doc/md.texi: Refer to avr/constraints.md instead of
8263 2006-03-30 Roger Sayle <roger@eyesopen.com>
8265 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8266 signed vs. unsigned comparison failures on some hosts.
8268 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8271 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8272 change to FLOAT_REGS.
8274 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8275 (rs6000_override_options): Use it.
8276 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8277 only for -mabi=spe/no-spe and -mabi=altivec.
8279 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8281 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8284 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8286 * Makefile.in: Rename docdir to gcc_docdir.
8288 2006-03-30 Roger Sayle <roger@eyesopen.com>
8291 * expr.c (emit_group_store): Optimize group stores into a pseudo
8292 register by using a paradoxical subreg to initialize the destination
8293 if the first or last member of the group specifies a "low part".
8295 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8298 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8299 * target.h (struct gcc_target.speculate_insn): Change type of the
8300 second parameter to 'int'.
8301 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8302 the second operand of the DEPS_LIST.
8303 (copy_DEPS_LIST_list): Update reference to the second operand of the
8305 * rtl.h (alloc_DEPS_LIST): Update signature.
8306 * sched-int.h (ds_t): Change typedef to 'int'.
8307 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8309 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8311 * haifa-sched.c (try_ready): Change condition to restore
8312 non-speculative pattern of the instruction.
8313 (process_insn_depend_be_in_spec): Code to keep probability of the
8314 speculative dependence non-decreasing.
8316 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8318 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8319 (single_move_for_movmem): ... this. Also change all uses.
8320 (bfin_expand_strmov): Renamed to...
8321 (bfin_expand_movmem): ... this. Also change all uses.
8322 * config/bfin/bfin.md (movstrsi): Renamed to...
8323 (movstrsi): ...this.
8325 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8327 PR tree-optimization/26830
8329 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8330 (copy_prop_visit_stmt): Remove write-only variable ann.
8331 (init_copy_prop): Check variable loop depth here. Do not simulate
8332 memory-tag and virtual operand PHIs except for store copy prop.
8334 2006-03-30 Richard Guenther <rguenther@suse.de>
8336 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8337 variants with double arguments.
8339 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8341 * genpreds.c (write_tm_constrs_h): Delete variable p.
8342 * genconditions.c (write_header): Add tm-constrs.h to included
8344 * genpeep.c (main): Add toplev.h to included headers.
8345 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8346 (build/genpeep.o): Add toplev.h dependency.
8347 * config/rs6000/constraints.md: Add "W" constraint.
8349 2006-03-29 Roger Sayle <roger@eyesopen.com>
8351 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8352 sizes by correctly testing whether the size fits a host integer.
8353 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8354 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8355 SImode range for the default sizetype and bitsizetype.
8357 2006-03-29 Roger Sayle <roger@eyesopen.com>
8359 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8360 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8361 quickly if the argument is already of the correct type.
8362 Call fold_build1 instead of build1. Tidy up blank lines.
8364 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8366 * genemit.c (main): Add tm-constrs.h to included headers.
8367 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8368 * genpeep.c (main): Add tm-constrs.h to included headers.
8369 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8370 (write_tm_constrs_h): this and write complete file.
8371 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8372 (write_insn_preds_c): Add tm-constrs.h to included headers.
8373 (gen_constrs): New variable.
8374 (parse_option): Parse "-c".
8375 (main): Invoke write_tm_constrs_h.
8376 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8377 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8378 (object_out_file): Add tm-constrs.h dependency.
8379 (insn-emit.o): Same.
8380 (insn-output.o): Same.
8381 (insn-peep.o): Same.
8382 (insn-preds.o): Same.
8383 (insn-recog.o): Same.
8384 (tm-constsr.h): New target.
8385 (s-constrs-h): New target.
8387 * config/rs6000/constraints.md: New file.
8388 * config/rs6000/rs6000.c: Include tm-constrs.h.
8389 (num_insn_constant_wide): Convert to satisfies_constraint.
8390 (rs6000_rtx_costs): Convert to satisfies_constraint.
8391 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8392 (CONST_OK_FOR_LETTER_P): Delete.
8393 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8394 (EXTRA_CONSTRAINT): Delete.
8395 (EXTRA_MEMORY_CONSTRAINT): Delete.
8396 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8397 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8398 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8399 satisfies_constraint.
8401 * config/i386/i386.c: Include tm-constrs.h.
8403 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8405 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8406 * tree-data-ref.c (find_data_references_in_loop,
8407 compute_data_dependences_for_loop): Use pointers to VEC.
8408 (analyze_all_data_dependences): Adjust calls.
8409 * tree-data-ref.h (find_data_references_in_loop,
8410 compute_data_dependences_for_loop): Adjust declarations.
8411 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8412 compute_data_dependences_for_loop.
8414 2006-03-29 Paul Brook <paul@codesourcery.com>
8416 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8419 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8421 PR tree-optimization/26859
8422 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8424 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8425 for the step after fold_convert.
8427 2006-03-29 Paul Brook <paul@codesourcery.com>
8429 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8430 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8432 2006-03-29 Paul Brook <paul@codesourcery.com>
8435 * targhooks.c (default_narrow_bitfield): New fuction.
8436 * targhooks.h (default_narrow_bitfield): add prototype.
8437 * target.h (gcc_target): Add narrow_volatile_bitfield.
8438 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8439 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8440 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8441 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8443 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8445 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8447 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8448 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8449 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8450 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8451 (s390_function_arg_float): Allow SDmode and DDmode values to be
8452 passed in floating point registers.
8453 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8454 check with SCALAR_FLOAT_MODE_P.
8455 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8457 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8459 PR tree-optimization/25985
8460 * tree-ssa-loop-niter.c (number_of_iterations_le,
8461 number_of_iterations_ne): Make comments more precise.
8462 (number_of_iterations_cond): Add only_exit argument. Use the
8463 fact that signed variables do not overflow only when only_exit
8465 (loop_only_exit_p): New.
8466 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8467 number_of_iterations_cond.
8469 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8471 PR tree-optimization/26643
8472 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8475 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8477 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8478 (divsi3_i4_int): Likewise.
8480 2006-03-28 Roger Sayle <roger@eyesopen.com>
8482 * expr.c (emit_group_store): Only create a new pseudo reg if the
8483 quantity it needs to hold isn't already a suitable pseudo.
8485 2006-03-28 Jeff Law <law@redhat.com>
8487 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8488 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8490 2006-03-28 Roger Sayle <roger@eyesopen.com>
8492 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8493 the equivalent ~X & Y, and the symmetry related transformations.
8494 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8495 ~X & Y, and symmetry related transforms.
8497 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8499 Revert my 2006-03-27 patches.
8501 2006-03-28 Roger Sayle <roger@eyesopen.com>
8503 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8504 ~(T1)X, when T1 and T2 are integer types of the same precision
8505 and (T2)X isn't an extension.
8507 2006-03-28 Jeff Law <law@redhat.com>
8509 PR tree-optimization/26796
8510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8511 need EH edge cleanups rather than purging them immediately.
8512 (eliminate_degenerate_phis): Handle queued EH cleanups.
8514 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8516 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8519 2006-03-27 Roger Sayle <roger@eyesopen.com>
8522 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8523 cast BIT_NOT_EXPR operand to the correct type.
8525 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8527 * tree-loop-linear.c: Don't include varray.h.
8528 (gather_interchange_stats, try_interchange_loops,
8529 linear_transform_loops): Use VEC instead of VARRAY.
8530 * lambda-mat.c: Don't include varray.h.
8531 * tree-chrec.c: Same.
8532 * lambda-trans.c: Same.
8533 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8534 VEC instead of VARRAY.
8535 * tree-vectorizer.h: Idem.
8536 * tree-data-ref.c (dump_data_references,
8537 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8538 initialize_data_dependence_relation, finalize_ddr_dependent,
8539 compute_all_dependences, find_data_references_in_loop,
8540 compute_data_dependences_for_loop, analyze_all_data_dependences,
8541 free_dependence_relation, free_dependence_relations,
8542 free_data_refs): Idem.
8543 * tree-data-ref.h (data_reference_p, subscript_p): New.
8544 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8545 VEC instead of VARRAY.
8546 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8547 (find_data_references_in_loop, compute_data_dependences_for_loop,
8548 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8549 dump_data_dependence_relations, free_dependence_relations,
8550 free_data_refs): Adjust declaration.
8551 (lambda_transform_legal_p): Move declaration here...
8552 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8553 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8554 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8555 vect_analyze_data_refs): Use VEC instead of VARRAY.
8556 * lambda.h (lambda_transform_legal_p): ...from here.
8557 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8558 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8559 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8560 tree-chrec.o): Don't depend on VARRAY_H.
8562 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8564 * rtl.def (Copyright): Update date.
8565 (DEPS_LIST): Change type of the second operand to 'int'.
8566 * target.h (Copyright): Update date.
8567 (struct gcc_target.speculate_insn): Change type of the second parameter
8569 * lists.c (Copyright): Update date.
8570 (alloc_DEPS_LIST): Change signature. Update reference to the second
8571 operand of the DEPS_LIST.
8572 (copy_DEPS_LIST_list): Update reference to the second operand of the
8574 * rtl.h (Copyright): Update date.
8575 (alloc_DEPS_LIST): Update signature.
8576 * sched-int.h (Copyright): Update date.
8577 (ds_t): Change typedef to 'int'.
8578 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8580 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8582 * haifa-sched.c (Copyright): Update date.
8583 (try_ready): Change condition to restore non-speculative pattern
8585 (process_insn_depend_be_in_spec): Code to keep probability of the
8586 speculative dependence non-decreasing.
8588 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8590 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8591 shut up the compiler.
8593 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8595 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8596 to use lib prefix for target.
8597 ($(T)libic_invalidate_array_4-200.a): Likewise.
8598 ($(T)libic_invalidate_array_4a.a): Likewise.
8600 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8601 J"orn Rennecke <joern.rennecke@st.com>
8603 * superh.opt: New file.
8604 * sh.c (boardtype, osruntime): Remove.
8605 * superh.h (SUBTARGET_OPTIONS): Remove.
8606 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8608 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8609 arguments with ^ and/or [].
8611 * config.gcc (sh-*-*): Add quoting to account for quirk of
8613 Replace == with = in enable_incomplete_targets test.
8615 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8616 with MASK_LITTLE_ENDIAN.
8618 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8619 * config/sh/sh.opt: Added to some comments.
8620 * config/sh/superh.h: Removed some chaff.
8622 * config/sh/sh.opt: Add m4-[1234]00* options.
8623 * config/sh/sh.c (sh_handle_option): Likewise.
8624 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8625 (ic_invalidate_array_4-100.o): New rule.
8626 ($(T)libic_invalidate_array_4-100.a): Likewise.
8627 (ic_invalidate_array_4-200.o): Likewise.
8628 ($(T)libic_invalidate_array_4-200.a): Likewise.
8629 (ic_invalidate_array_4a.o): Likewise.
8630 ($(T)libic_invalidate_array_4a.a): Likewise.
8631 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8632 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8634 * config/sh/crt1.asm: Merged in profiling code.
8635 * config/sh/superh.h (STARTFILE_SPEC): Override.
8636 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8637 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8638 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8640 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8641 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8642 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8644 * sh.opt (mpretend-cmove): New option.
8645 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8646 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8647 (movsicc): Add TARGET_PRETEND_CMOVE code.
8649 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8651 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8652 s390_class_max_nregs): New function prototypes.
8653 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8654 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8655 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8656 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8658 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8660 * dwarf2out.c (add_location_or_const_value_attribute): Call
8661 tree_add_const_value_attribute if nothing else works.
8662 (reference_to_unused): New.
8663 (rtl_for_decl_init): Use reference_to_unused to decide whether
8664 to output an initializer.
8666 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8669 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8670 peephole removing spe frob_di_df_2.
8672 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8674 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8675 (subscript_dependence_tester_1): Declared.
8676 (print_dir_vectors, print_dist_vectors): New.
8677 (debug_data_dependence_relation): New.
8678 (dump_data_dependence_relation): Print more details.
8679 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8680 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8681 (save_dist_v, save_dir_v, add_outer_distances,
8682 build_classic_dist_vector_1): New.
8683 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8684 Don't test for lambda_vector_lexico_pos.
8685 (same_access_functions, add_multivariate_self_dist,
8686 add_other_self_distances, dir_from_dist): New.
8687 (build_classic_dir_vector): Replace implementation almost identical to
8688 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8690 (subscript_dependence_tester_1): New.
8691 (subscript_dependence_tester): Handle the lexicographically negative
8692 distance vectors by recomputing the dependence relation.
8693 (compute_affine_dependence): Remove parameter loop_nest_depth.
8694 (compute_self_dependence): Don't call compute_subscript_distance.
8695 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8696 Add a parameter for the loop_nest.
8697 (find_loop_nest_1, find_loop_nest): New.
8698 (compute_data_dependences_for_loop): Compute the loop nest, and give
8699 up if the nest is not well formed.
8700 * tree-data-ref.h (loop_p): New.
8701 (struct data_dependence_relation): Replace size_vect field with
8702 loop_nest, a vec of loops.
8703 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8704 (DDR_LOOP_NEST): New.
8705 (print_dir_vectors, print_dist_vectors,
8706 debug_data_dependence_relation): Declared.
8707 (index_in_loop_nest): New.
8708 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8709 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8712 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8714 * simplify-rtx.c (simplify_relational_operation): Call
8715 simplify_relational_operation_1 even if mode is VOIDmode.
8717 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8719 PR tree-optimization/26804
8720 * tree.h (DECL_CALL_CLOBBERED): New macro.
8721 (tree_decl_common): Add call_clobbered_flag.
8722 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8723 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8724 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8725 (mark_non_addressable): Ditto.
8726 * tree-ssa.c (verify_call_clobbered): New function.
8727 (verify_alias_info): Use it.
8728 * tree-pass.h (pass_reset_cc_flags): New prototype.
8729 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8730 (reset_cc_flags): New function.
8731 * passes.c (init_optimization_passes): Call reset_cc_flags after
8732 initializing referenced_vars.
8734 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8735 Roger Sayle <roger@eyesopen.com>
8738 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8739 to 1.0 for non-real operands. Implement A / A optimization for
8742 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8744 * config/i386/i386.c (size_cost): Correct the comment for
8745 cost of storing fp registers.
8746 (i386_cost): Likewise.
8747 (i486_cost): Likewise.
8748 (pentium_cost): Likewise.
8749 (pentiumpro_cost): Likewise.
8750 (k6_cost): Likewise.
8751 (athlon_cost): Likewise.
8752 (k8_cost): Likewise.
8753 (pentium4_cost): Likewise.
8754 (nocona_cost): Likewise.
8755 (generic64_cost): Likewise.
8756 (generic32_cost): Likewise.
8758 2006-03-24 Denis Chertykov <denisc@overta.ru>
8760 * config/avr/avr-protos.h (extra_constraint): Delete.
8761 (extra_constraint_Q): New declaration.
8762 * config/avr/constraints.md: New file.
8763 * config/avr/avr.md: Include it.
8764 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8765 (TMP_REGNO, ZERO_REGNO): Likewise.
8766 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8767 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8768 (extra_constraint): Delete.
8769 (extra_constraint_Q): Test for memory constraint 'Q'.
8770 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8771 (REG_CLASS_FROM_LETTER): Delete.
8772 (CONST_OK_FOR_LETTER_P): Delete.
8773 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8774 (EXTRA_CONSTRAINT): Delete.
8775 (TMP_REGNO): Delete.
8776 (ZERO_REGNO): Delete.
8778 2006-03-24 Jeff Law <law@redhat.com>
8780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8781 directly. Call mark_new_vars_to_rename slightly earlier.
8783 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8785 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8787 (gen_compile_unit_die): Use new language types for Objective-C and
8789 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8790 DW_LANG_C_plus_plus.
8793 * config/t-darwin (crt3.o): Work around bug 26840.
8794 * config/darwin-crt3.c: Rewrite.
8795 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8797 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8799 * doc/invoke.texi: Document -femit-class-debug-always
8800 * common.opt: Add -femit-class-debug-always.
8802 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8804 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8805 index and base register.
8806 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8807 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8808 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8809 REGNO_OK_FOR_INDEX_P.
8810 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8812 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8813 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8814 REG_OK_FOR_BASE_P): Definitions removed.
8816 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8819 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8820 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8821 set yet or weren't marked as local yet.
8823 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8825 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8828 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8830 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8831 (rs6000_legitimate_small_data_p): Delete.
8832 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8833 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8834 and make static. Add forward declaration. Update uses.
8835 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8836 of offsettable_memref_p.
8837 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8838 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8840 2006-03-24 Jeff Law <law@redhat.com>
8842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8843 around bug in immediate-use iterator.
8845 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8848 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8849 or __LITTLE_ENDIAN__.
8851 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8853 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8854 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8855 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8856 * config/sh/sh.opt (mdiv=): Amend description.
8857 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8858 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8859 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8860 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8861 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8862 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8863 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8864 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8865 TARGET_DIVIDE_CALL_FP.
8867 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8869 * haifa-sched.c (choose_ready): Fix type of the local variable.
8870 Move local variables. Add comment.
8871 (check_reg_live): Change signature. Make callable from debugger.
8872 * sched-int.h (check_reg_live): Update signature.
8873 * sched-ebb.c (check_reg_live): Update parameters.
8874 * sched-rgn.c (check_reg_live): Ditto.
8875 (region_head_or_leaf_p): Check pointer before dereferencing.
8876 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8877 before reload on optimization levels below 1.
8879 2006-03-23 Richard Henderson <rth@redhat.com>
8881 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8885 * config/alpha/predicates.md (local_symbolic_operand): Reject
8888 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8891 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8892 expressions which have overflowed constants.
8894 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8896 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8898 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8900 * cfgloopmanip.c (create_loop_notes): Removed.
8901 * final.c (final_scan_insn): Do not handle loop notes.
8902 * jump.c (squeeze_notes): Ditto.
8903 * cfglayout.c (skip_insns_after_block,
8904 duplicate_insn_chain): Ditto.
8905 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8907 * cfgloop.h (create_loop_notes): Declaration removed.
8909 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8911 * varasm.c (output_constant_pool): Restore fnname and fndecl
8913 (assemble_start_function): Adjust call accordingly.
8914 (assemble_end_function): Likewise.
8916 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8919 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8922 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8924 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8927 * system.h (ICE_EXIT_CODE): New macro.
8928 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8929 (diagnostic_action_after_output): Likewise.
8930 * gcc.c (fatal_ice): New function.
8931 (execute): Use it instead of fatal.
8932 (fancy_abort): Likewise.
8933 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8935 2006-03-22 Jeff Law <law@redhat.com>
8937 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8938 iv_analyze_result returning false.
8940 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8942 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8944 2006-03-22 Richard Henderson <rth@redhat.com>
8947 * except.c (duplicate_eh_regions_0): New.
8948 (duplicate_eh_region_1): Duplicate the children of the node as
8949 well as the node itself. Link them up properly.
8950 (duplicate_eh_region_2): Merge into ...
8951 (duplicate_eh_regions): ... here. Take copy_region argument, and
8952 copy only a sub-tree if asked. Simplify copying and fixup.
8953 (eh_region_outer_p): New.
8954 * except.h (duplicate_eh_regions): Update decl.
8955 (eh_region_outer_p): Declare.
8956 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8957 (lower_omp_master): Likewise.
8958 (lower_omp_ordered): Likewise.
8959 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8960 (move_stmt_r): Use it to remap labels. Handle recursion vs
8961 remap_decls_p properly.
8962 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8963 (find_outermost_region_in_block): New.
8964 (new_label_mapper): New.
8965 (move_sese_region_to_fn): Copy eh information to the new function
8967 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8969 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8972 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8974 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8975 into shared libraries.
8977 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8979 * doc/md.texi: Refer to i386/constraints.md instead of
8981 * config/i386/constraints.md: New file, extracted from...
8982 * config/i386/predicates.md: ...here.
8983 * config/i386/i386.md: Include constraints.md.
8985 2006-03-21 Jason Merrill <jason@redhat.com>
8987 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8990 * expr.c (init_block_move_fn): Force default visibility.
8991 (init_block_clear_fn): Likewise.
8992 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8993 * targhooks.c (default_external_stack_protect_fail): Likewise.
8995 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8997 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8998 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8999 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9000 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9001 (loadgp): Use mips_current_loadgp_style.
9002 (loadgp_noshared): New pattern.
9003 (sibcall_internal): Use MIPS_CALL.
9004 (sibcall_value_internal): Likewise.
9005 (sibcall_value_multiple_internal): Likewise.
9006 (call_internal): Likewise.
9007 (call_value_internal): Likewise.
9008 (call_value_multiple_internal): Likewise.
9009 (call_split): Use MIPS_CALL and add an 'S' constraint.
9010 (call_value_split): Likewise.
9011 (call_value_multiple_split): Likewise.
9012 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9013 (-mshared): New option.
9014 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9015 (mips_current_loadgp_style): Declare.
9016 * config/mips/mips.c (mips_classify_symbol): Avoid using
9017 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9018 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9019 TARGET_ABSOLUTE_ABICALLS.
9020 (override_options): Adjust comments. Improve the warning that is
9021 issued when -mabicalls and -G are used together.
9022 (mips_file_start): Remove comment.
9023 (mips_current_loadgp_style): New function.
9024 (mips_gnu_local_gp): New variable.
9025 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9027 (mips_output_function_prologue): Use mips_current_laodgp_style.
9028 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9029 the cprestore instruction.
9030 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9031 live for TARGET_ABSOLUTE_ABICALLS.
9032 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9033 (ASM_SPEC): Pass down -mshared and -mno-shared.
9034 (MIPS_CALL): New macro.
9035 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9037 * doc/invoke.texi (-mabicalls): Update documentation.
9038 (-mshared): Document.
9040 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9042 * config/ia64/unwind-hpux.c: New file.
9043 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9045 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9048 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9050 2006-03-21 Jeff Law <law@redhat.com>
9052 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9053 type conversions of a VR_VARYING source to a wider type.
9055 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9057 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9058 tm_file on Solaris 10 and later.
9059 (sparc64-*-solaris2*): Likewise.
9060 (sparc-*-solaris2*): Likewise.
9061 * config/sol26.h: Rename to config/sol2-6.h.
9062 * config/sol2-10.h: New file.
9064 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9067 * tree-ssa-pre.c (create_component_ref_by_pieces):
9070 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9073 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9074 return it immediately.
9076 2006-03-21 Michael Matz <matz@suse.de>
9078 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9080 (remove_arc, add_arc): Update num_out_arcs member.
9081 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9083 (cache_presence): New function.
9084 (compare_states_for_equiv): New function.
9085 (state_is_differed): Don't take number of outargs, adjust callers.
9086 Use new invariant for speeding up.
9087 (init_equiv_class): Create initial classes based on sorted
9089 (partition_equiv_class): Don't track out_arcs_num.
9090 (evaluate_equiv_classes): Call cache_presence on all states and
9093 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9095 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9096 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9097 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9098 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9100 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9101 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9102 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9103 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9104 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9106 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9107 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9108 (REGNO_REG_CLASS): ARGP is in PREGS.
9109 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9111 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9112 to deal with those addresses.
9113 * addresses.h: New file.
9114 * caller-save.c: Include "addresses.h".
9115 (init_caller_save): Use new base_reg_class function.
9116 * rtl-factoring.c: Include "addresses.h".
9117 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9118 * recog.c: Include "addresses.h".
9119 (preprocess_constraints): Use new base_reg_class function.
9120 * regrename.c: Include "addresses.h".
9121 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9122 functions. Keep track of a new var INDEX_CODE to compute valid
9124 (replace_oldest_value_addr): Likewise.
9125 (replace_oldest_value_mem): Use base_reg_class.
9126 * reload.c: Include "addresses.h".
9127 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9128 (find_reloads): Use new base_reg_class function.
9129 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9130 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9131 all callers and prototype changed.
9132 * reload1.c: Include "addresses.h".
9133 (maybe_fix_stack_asms): Use base_reg_class.
9134 * regclass.c: Include "addresses.h".
9135 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9136 (init_reg_autoinc): Use new base_reg_class function.
9137 (record_reg_classes): Likewise.
9138 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9139 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9140 Use new args to compute necessary class.
9142 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9143 regrename.o, rtl-factoring.o): Update dependencies.
9144 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9145 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9146 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9147 REG_OK_FOR_INDEX_P): Delete documentation.
9149 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9151 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9152 from V7 to V9 for Solaris 7 and above.
9154 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9156 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9157 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9158 argument pointers may not alias any other storage.
9159 * common.opt: Define option -fargument-noalias-anything.
9160 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9161 alias semantics is specified by flag_argument_noalias > 2.
9163 2006-03-20 Jeff Law <law@redhat.com>
9165 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9166 (pass_phi_only_cprop): Declare.
9167 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9169 * tree-ssa-dom.c (degenerate_phi_result): New function.
9170 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9171 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9172 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9173 (eliminate_degenerate_phis): Likewise.
9174 (pass_phi_only_cprop): New pass descriptor.
9175 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9176 support code. Callers updated.
9177 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9178 (store_copy_prop): Likewise.
9179 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9181 2006-03-20 Jason Merrill <jason@redhat.com>
9184 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9185 (push_visibility, pop_visibility): Likewise.
9186 * c-pragma.h: Declare them.
9188 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9190 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9192 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9193 parameter and use get_ebb_head_tail.
9194 (sh_md_init_global): Adjust uses of find_regmode_weight.
9196 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9198 * function.h (struct function) <x_tail_recursion_reentry>:
9199 Rename to x_stack_check_probe_note.
9200 (tail_recursion_reentry): Rename to stack_check_probe_note.
9201 * function.c: Replace tail_recursion_reentry with
9202 stack_check_probe_note everywhere.
9203 (expand_function_start): Only emit a note for
9204 stack_check_probe_note with -fstack-protect.
9205 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9207 * emit-rtl.c (remove_unnecessary_notes): Remove.
9208 (pass_remove_unnecessary_notes): Remove.
9209 * rtl.h (remove_unnecessary_notes): Remove prototype.
9210 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9211 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9212 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9214 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9217 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9218 (valid_in_set): Handle ARRAY_REF.
9219 Change "if min_variant or VH" to asserts.
9220 (create_component_ref_by_pieces): Handle ARRAY_REF.
9221 (create_expression_by_pieces): Likewise.
9222 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9224 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9226 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9227 is operand of switch, not str[0].
9229 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9231 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9232 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9234 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9236 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9237 end of insn_extra_address_constraint declaration.
9239 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9241 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9242 (no-sum-in-toc): Same.
9243 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9245 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9246 NO_FP_IN_TOC for -fPIC instead of mask.
9248 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9249 (BOOT_LDFLAGS): Delete.
9251 * config/rs6000/t-aix52: Same.
9253 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9254 (stmsi[345678]_power): New.
9256 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9258 * config/ia64/ia64.opt: Add empty line to end of file.
9260 2006-03-17 Richard Guenther <rguenther@suse.de>
9263 * builtins.c (get_pointer_alignment): For component style references
9264 adjust alignment to the component type alignment. Make sure
9265 to adjust alignment for component access of constants.
9267 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9269 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9272 2006-03-17 Paul Brook <paul@codesourcery.com>
9274 * doc/install.texi: Docuemnt --with-mode.
9275 * config.gcc: Add --with-mode for arm*-*-*.
9276 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9278 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9280 * sh.c (max_labelno_before_reorg): New variable.
9281 (sh_reorg): Initialize it.
9282 (find_barrier): Check max_labelno_before_reorg before using
9283 label_to_alignment. Take length of explicit alignment insns
9284 into account. When seeing a UNSPECV_CONST_END, return it.
9286 * sh.c (fixup_mova): Set mode of affected label to QImode.
9287 (untangle_mova): New function.
9288 (find_barrier): Use it. Check mode of label before decrementing
9290 (sh_reorg): Likewise.
9291 Set mode of all insns back to VOIDmode.
9293 * sh.c (MOVA_LABELREF): New macro.
9294 (mova_p, fixup_mova, sh_reorg): Use it.
9295 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9296 ADDR_DIFF_VEC matches mova.
9298 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9300 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9301 with ATTRIBUTE_UNUSED.
9303 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9305 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9306 pointer, instead of assuming it is possible to derive the
9307 correct args size from a call insn.
9309 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9311 * rtl.h (CONST_INT_P): Define.
9312 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9313 instead of GET_CODE(x) == CONST_INT.
9314 (vax_rtx_costs): Likewise.
9315 (vax_output_int_move): Likewise.
9316 (vax_output_int_add): Likewise.
9317 (legitimate_constant_address_p): Likewise.
9318 (index_term_p): Likewise.
9319 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9320 * config/vax/vax.md (and<mode>3): Likewise.
9321 (ashrsi3): Likewise.
9323 (movstricthi): Likewise.
9324 (movstrictqi): Likewise.
9325 (rotrsi3): Likewise.
9326 (five unnamed insns): Likewise.
9328 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9330 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9331 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9332 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9333 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9334 Pass to ASM_OUTPUT_DWARF_OFFSET.
9335 * dwarf2out.c (debug_frame_section): New.
9336 (output_call_frame_info): Use debug_frame_section. Pass it to
9337 dw2_asm_output_offset.
9338 (output_die): Pass appropriate section to dw2_asm_output_offset.
9339 (output_compilation_unit_header): Likewise.
9340 (output_pubnames): Likewise.
9341 (output_aranges): Likewise.
9342 (enum dw_val_class): Break dw_val_class_lbl_offset into
9343 dw_val_class_lineptr and dw_val_class_macptr.
9344 (add_AT_lbl_offset): Delete.
9345 (add_AT_lineptr): New.
9346 (add_AT_macptr): New.
9347 (AT_lbl): Expect a lineptr or macptr.
9348 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9349 (attr_checksum): Likewise.
9350 (same_dw_val_p): Likewise.
9351 (size_of_die): Likewise.
9352 (value_format): Likewise.
9353 (output_die): Likewise.
9354 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9356 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9357 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9358 * config/darwin-protos.h (darwin_file_start): New.
9359 (darwin_asm_output_dwarf_offset): New.
9360 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9361 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9363 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9364 if not EH section; simplify.
9365 (darwin_file_start): New.
9366 (darwin_asm_output_dwarf_offset): New.
9367 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9369 (DEBUG_INFO_SECTION): Likewise.
9370 (DEBUG_ABBREV_SECTION): Likewise.
9371 (DEBUG_ARANGES_SECTION): Likewise.
9372 (DEBUG_MACINFO_SECTION): Likewise.
9373 (DEBUG_LINE_SECTION): Likewise.
9374 (DEBUG_LOC_SECTION): Likewise.
9375 (DEBUG_PUBNAMES_SECTION): Likewise.
9376 (DEBUG_STR_SECTION): Likewise.
9377 (DEBUG_RANGES_SECTION): Likewise.
9378 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9379 (ASM_OUTPUT_DWARF_OFFSET): New.
9381 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9383 * config.gcc (tm_defines): Always add to previous value rather
9386 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9388 * config/mips/predicates.md (splittable_const_int_operand): New,
9389 split from move_operand.
9390 (splittable_symbolic_operand): New.
9391 (move_operand): Add commentary. Use splittable_const_int_operand.
9392 Inline mips_atomic_symbolic_constant_p.
9393 * config/mips/mips.md: Add combine splitters for handling moves
9394 of splittable_const_int_operands and splittable_symbolic_operands.
9395 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9396 (mips_split_symbol): Declare.
9397 (mips_move_integer): Declare.
9398 * config/mips/mips.c (mips_split_p): Make global.
9399 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9400 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9401 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9402 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9403 (mips_offset_within_object_p): Handle block symbols.
9404 (mips_atomic_symbolic_constant_p): Delete.
9405 (mips_cannot_force_const_mem): Return false for constants that
9406 mips_legitimize_move can handle.
9407 (mips_use_blocks_for_constant_p): New function.
9408 (mips_split_symbol): Make global.
9409 (mips_move_integer): Likewise. Add a temporary register argument.
9410 (mips_legitimize_const_move): Use splittable_const_int_operand and
9411 splittable_symbolic_operand.
9412 (mips_use_anchors_for_symbol_p): New function.
9413 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9414 (mips_split_p): Declare.
9416 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9418 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9419 (mips*-*-linux*): Likewise.
9421 2006-03-16 Roger Sayle <roger@eyesopen.com>
9422 Daniel Speyer <dspeyer@wam.umd.edu>
9425 * tree-dump.c (dump_real): New function.
9426 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9427 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9428 (tree-dump.o): Add $(REAL_H) to the dependencies.
9430 2006-03-16 Roger Sayle <roger@eyesopen.com>
9433 * real.c (real_from_string): If the mantissa is zero, don't bother
9434 parsing the exponent as the result should always be zero.
9436 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9438 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9440 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9442 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9443 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9444 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9445 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9446 ia64_sched_finish_global): New static functions to implement
9447 hooks from gcc_target.sched.
9448 (spec_check_no, max_uid, pending_data_specs): New static variables.
9449 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9450 ia64_spec_check_src_p): New static functions.
9451 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9452 (TARGET_SCHED_ADJUST_COST): Removed.
9453 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9454 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9455 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9456 TARGET_SCHED_GEN_CHECK,
9457 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9458 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9459 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9460 Fixed to handle speculation checks.
9461 (rtx_needs_barrier): Fixed to handle speculative loads and
9463 (ia64_variable_issue): Added code to count speculative loads and their
9465 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9467 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9469 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9471 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9472 (ia64_reorg): Reset stops_p to NULL after it is freed.
9473 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9474 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9475 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9477 (data_speculative, control_speculative, check_load): New attributes.
9478 (mov<mode>_advanced, mov<mode>_speculative,
9479 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9480 zero_extend<mode>di2_speculative,
9481 zero_extend<mode>di2_speculative_advanced): New patterns for
9482 data and control speculative loads.
9483 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9485 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9486 New pattern for data and control speculation checks.
9487 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9488 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9489 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9490 Auxiliary definitions for the patterns.
9491 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9492 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9494 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9496 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9497 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9498 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9499 New resource constraints.
9500 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9502 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9503 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9504 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9505 msched-in-control-spec, msched-ldc, msched-control-ldc,
9506 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9507 msched-prefer-non-control-spec-insns,
9508 msched-count-spec-in-critical-path): New flags to tune speculative
9510 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9511 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9512 msched-in-control-spec, msched-ldc, msched-control-ldc,
9513 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9514 msched-prefer-non-control-spec-insns,
9515 msched-count-spec-in-critical-path): Document new flags.
9517 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9519 * target.h (struct spec_info_def): New opaque declaration.
9520 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9521 speculate_insn, needs_block_p, gen_check,
9522 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9523 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9524 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9525 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9526 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9527 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9529 (TARGET_SCHED): Use new macros.
9530 * rtl.h (copy_DEPS_LIST_list): New prototype.
9531 * sched-int.h (struct sched_info): Change signature of new_ready field,
9532 adjust all initializations. New fields: add_remove_insn,
9533 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9534 region_head_or_leaf_p.
9535 (struct spec_info_def): New structure declaration.
9536 (spec_info_t): New typedef.
9537 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9538 recovery_block, orig_pat.
9539 (glat_start, glat_end): New variables declaraions.
9540 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9542 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9543 DETACH_LIFE_INFO, USE_GLAT.
9544 (enum SPEC_SCHED_FLAGS): New enumeration.
9545 (NOTE_NOTE_BB_P): New macro.
9546 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9547 attach_life_info, debug_spec_status, check_reg_live): New functions.
9548 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9549 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9551 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9552 * ddg.c (get_block_head_tail): Adjust all uses.
9553 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9554 (sms_sched_info): Initialize new fields.
9555 (contributes_to_priority): Removed.
9556 * haifa-sched.c (params.h): New include.
9557 (get_block_head_tail): Adjust all uses.
9558 (ISSUE_POINTS): New macro.
9559 (glat_start, glat_end): New global variables.
9560 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9561 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9562 old_last_basic_block, before_recovery, current_sched_info_var,
9563 rgn_n_insns, luid): New static variables.
9564 (insn_cost1): New function. Move logic from insn_cost to here.
9565 (find_insn_reg_weight1): New function. Move logic from
9566 find_insn_reg_weight to here.
9567 (reemit_notes, move_insn, max_issue): Change signature.
9568 (move_insn1): Removed.
9569 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9570 extend_bb): New static functions to support extension of scheduler's
9572 (generate_recovery_code, process_insn_depend_be_in_spec,
9573 begin_speculative_block, add_to_speculative_block,
9574 init_before_recovery, create_recovery_block, create_check_block_twin,
9575 fix_recovery_deps): New static functions to support
9576 generation of recovery code.
9577 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9578 restore_bb_notes, move_block_after_check, move_succs): New static
9579 functions to support ebb scheduling.
9580 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9581 functions to support handling of register live information.
9582 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9583 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9584 add_jump_dependencies): New static functions.
9585 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9586 consistancy checking.
9587 (debug_spec_status): New function to call from debugger.
9588 (priority): Added code to handle speculation checks.
9589 (rank_for_schedule): Added code to distinguish speculative instructions.
9590 (schedule_insn): Added code to handle speculation checks.
9591 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9592 Fixed to handle ebbs.
9593 (move_insn): Added code to handle ebb scheduling.
9594 (max_issue): Added code to use ISSUE_POINTS of instructions.
9595 (choose_ready): Added code to choose between speculative and
9596 non-speculative instructions.
9597 (schedule_block): Added code to handle ebb scheduling and scheduling of
9598 speculative instructions.
9599 (sched_init): Initialize new variables.
9600 (sched_finish): Free new variables. Print statistics.
9601 (try_ready): Added code to handle speculative instructions.
9602 * lists.c (copy_DEPS_LIST_list): New function.
9603 * sched-deps.c (extend_dependency_caches): New function. Move logic
9604 from create_dependency_caches to here.
9605 (get_dep_weak, ds_merge): Make global.
9606 * genattr.c (main): Code to output prototype for
9607 dfa_clear_single_insn_cache.
9608 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9609 (output_dfa_clean_insn_cache_func): Code to output
9610 dfa_clear_single_insn_cache function.
9611 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9613 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9615 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9616 New static variables.
9617 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9618 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9620 (ebb_sched_info): Initialize new fields.
9621 (get_block_head_tail): Adjust all uses.
9622 (compute_jump_reg_dependencies): Fixed to use glat_start.
9623 (schedule_ebb): Code to remove unreachable last block.
9624 (schedule_ebbs): Added code to update register live information.
9625 * sched-rgn.c (region_sched_info): Initialize new fields.
9626 (get_block_head_tail): Adjust all uses.
9627 (last_was_jump): Removed. Adjust users.
9628 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9629 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9630 Implement new hooks.
9631 (check_dead_notes1): New static function.
9632 (struct region): New fields: dont_calc_deps, has_real_ebb.
9633 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9634 (BB_TO_BLOCK): Fixed to handle EBBs.
9635 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9636 (ebb_head): New static variable.
9637 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9638 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9640 (compute_dom_prob_ps): New assertion.
9641 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9642 global_live_at_start.
9643 (init_ready_list): New assertions.
9644 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9645 (new_ready): Add support for BEGIN_CONTROL speculation.
9646 (schedule_insns): Fixed code that updates register live information
9648 (schedule_region): Fixed to handle EBBs.
9649 (init_regions): Use extend_regions and check_dead_notes1.
9650 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9651 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9652 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9653 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9654 TARGET_SCHED_GEN_CHECK,
9655 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9656 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9657 * doc/invoke.texi (max-sched-insn-conflict-delay,
9658 sched-spec-prob-cutoff): Document.
9660 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9662 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9663 inter_tick, queue_index.
9664 (struct sched_info): Change signature of init_ready_list field.
9665 Adjust all initializations.
9666 (RESOLVED_DEPS): New access macro.
9667 (ready_add): Remove prototype.
9668 (try_ready): Add prototype.
9669 * sched-rgn.c (init_ready_list): Use try_ready.
9670 (schedule_region): Initialize
9671 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9672 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9673 (init_ready_list): Use try_ready.
9674 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9675 * lists.c (remove_list_elem): Remove `static'.
9676 (remove_free_INSN_LIST_elem): New function.
9677 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9678 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9679 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9681 (readyp): New variable.
9682 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9683 change_queue_index, resolve_dep): New static functions.
9684 (try_ready): New function. Adjust callers in sched-rgn.c and
9685 sched-ebb.c to use it instead of ready_add.
9686 (clock_var): Move at the begining of file.
9687 (rank_for_schedule): Fix typo.
9688 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9689 (ready_lastpos): Enforce assertion.
9690 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9692 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9693 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9694 (queue_to_ready): Use free_INSN_LIST_list.
9695 (early_queue_to_ready): Fix typo.
9696 (schedule_block): Init readyp. Move init_ready_list call after the
9697 initialization of clock_var. Fix error in rejecting insn by
9698 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9699 that previously corrected INSN_TICKs. Add code for handling
9701 (set_priorities): Fix typo.
9702 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9703 Clarify comment and code that keeps current_sched_info->next_tail
9706 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9708 * sched-rgn.c (extend_rgns): New static function.
9709 (find_rgns): Use it.
9710 (gather_region_statistics, print_region_statistics): New static
9712 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9713 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9715 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9716 Andrey Belevantsev <abel@ispras.ru>
9718 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9719 * lists.c (unused_deps_list): New variable.
9720 (free_list): Add assertions to verify the proper distinguishing
9721 between INSN_LISTs and DEPS_LISTs.
9722 (find_list_elem, remove_list_elem, remove_list_node): New static
9724 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9725 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9726 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9727 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9729 (free_INSN_LIST_node): Likewise.
9730 * modulo-sched.c (current_sched_info): Initialize flags field.
9731 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9732 * rtl.def (DEPS_LIST): Define.
9733 * rtl.h: Declare new functions from lists.c.
9734 * sched-deps.c (spec_dependency_cache): New static variable.
9735 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9736 (add_dependence): Change return type to void. Move the logic to ...
9737 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9738 (delete_all_dependences): Add comment about forward_dependency_cache.
9739 Handle spec_dependency_cache. Handle DEPS_LISTs.
9740 (fixup_sched_groups): Clarify the change of priority of output
9741 and anti dependencies.
9742 (sched_analyze_2): Adjust add_dependence calls to create data
9743 speculative dependence.
9744 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9745 Adjust all callers. Handle DEPS_LISTS.
9746 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9747 presence of speculation.
9748 (init_dependency_caches, free_dependency_caches):
9749 Handle spec_dependency_cache.
9750 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9751 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9752 New static functions.
9753 (add_or_update_back_dep, add_or_update_back_forw_dep,
9754 add_back_forw_dep, delete_back_forw_dep): New functions.
9755 * sched-int.h (ds_t, dw_t): New typedefs.
9756 (struct sched_info): Add new field flags.
9757 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9758 Prototype new sched-deps.c functions.
9759 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9760 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9761 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9762 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9763 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9764 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9766 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9768 * sched-rgn.c (current_sched_info): Initialize flags field.
9769 (schedule_insns): Initialize current_sched_info before the sched_init
9771 * sched-ebb.c (current_sched_info): Initialize flags field.
9772 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9773 Call add_or_update_back_dep instead of add_dependence.
9774 Create control speculative dependencies.
9775 (schedule_insns): Initialize current_sched_info before the sched_init
9778 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9780 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9782 (sh_fallback_frame_state): Likewise.
9784 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9786 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9787 Do switch on default_use_cxa_atexit.
9788 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9789 * config/darwin-crt3.o: New.
9790 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9791 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9792 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9794 * config/rs6000/t-darwin: Move crt2.o building to here.
9795 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9796 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9799 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9801 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9802 from '! xxx' to '!xxx' for coding-style conformance.
9803 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9804 (EXTRA_CONSTRAINT): Likewise.
9805 * config/vax/vax.md (four unnamed insns): Likewise.
9807 2006-03-15 Paul Brook <paul@codesourcery.com>
9809 * config/arm/arm.c (minipool_pad): New.
9810 (add_minipool_forward_ref): Include pool alignment padding in address
9812 (push_minipool_fix): Set minipool_pad.
9813 (minipool_pad): Ditto.
9815 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9817 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9818 instead of GET_CODE() == MEM and REG_P() instead of
9820 (print_operand_address): Likewise.
9821 (vax_address_cost): Likewise.
9822 (vax_rtx_costs): Likewise.
9823 (vax_notice_update_cc): Likewise.
9824 (vax_output_int_add): Likewise.
9825 (INDEX_REGISTER_P): Likewise.
9826 (BASE_REGISTER_P): Likewise.
9827 (nonindexed_address_p): Likewise.
9828 (vax_mode_dependent_address_p): Likewise.
9829 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9830 (PRINT_OPERAND): Likewise.
9831 * config/vax/vax.md (ashlsi3): Likewise.
9832 (ashlsi3): Likewise.
9833 (some more unnamed insns): Likewise.
9835 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9837 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9838 iterator-style macro.
9839 (mark_control_dependent_edges_necessary): Update the use of
9840 EXECUTE_IF_CONTROL_DEPENDENT.
9842 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9844 * config/sh/predicates.md (cache_address_operand): Special.
9845 (ua_address_operand): Likewise.
9847 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9849 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9851 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9853 2006-03-15 Andreas Schwab <schwab@suse.de>
9855 * gensupport.c (identify_predicable_attribute): Don't free p_false
9856 when it is still in use.
9858 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9860 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9861 the default setting here.
9863 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9865 * tree-pass.h (pass_cfg): Remove.
9866 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9867 * passes.c (pass_cfg): Don't run it.
9869 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9871 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9872 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9874 (stack_regs_mentioned): Update the uses of
9875 stack_regs_mentioned_data. Don't access the array beyond its
9877 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9878 Don't include gt-reg-stack.h.
9880 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9881 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9883 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9886 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9889 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9891 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9893 2006-03-14 Richard Guenther <rguenther@suse.de>
9895 PR tree-optimization/26672
9896 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9899 2006-03-14 Richard Guenther <rguenther@suse.de>
9901 PR tree-optimization/26667
9902 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9903 node for the callees. Always allow inlining if it will shrink
9906 2006-03-14 Richard Guenther <rguenther@suse.de>
9909 * builtins.c (get_pointer_alignment): Prefer alignment
9910 information from decls over that from types.
9912 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9915 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9917 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9919 * config/rs6000/rs6000.opt (mdlmzb): New option.
9920 (msched-prolog, msched-epilog): Use Var not Mask.
9921 * doc/invoke.texi (-mdlmzb): Document.
9922 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9924 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9925 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9927 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9929 PR rtl-optimization/25739
9930 * bt-load.c (augment_live_range): Free tos pointer.
9932 * gensupport.c (identify_predicable_attribute): Free
9934 * gcov.c (create_file_names): Free name pointer.
9936 2006-03-13 Roger Sayle <roger@eyesopen.com>
9939 * stmt.c (emit_case_nodes): Handle the case where the index is a
9940 CONST_INT, where the comparison mode is specified by the index type.
9942 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9944 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9947 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9949 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9950 (*branch_fp_inverted): Likewise.
9952 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9955 * omp-low.c (expand_omp_for_generic): Mark istart0
9956 and iend0 as addressable.
9958 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9960 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9962 2006-03-13 Jeff Law <law@redhat.com>
9964 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9965 virtual operands are interesting.
9966 (vrp_visit_stmt): Corresponding changes.
9968 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9970 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9972 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9973 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9974 * config/bfin/crti.S: Use it instead of __PIC__.
9975 * config/bfin/crtn.S: Likewise.
9977 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9978 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9980 Lose 'G' modifier for call operand.
9981 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9982 recognize 'G' modifier.
9984 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9987 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9988 * stmt.c (expand_case): Likewise.
9990 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9992 PR rtl-optimization/26254
9993 * loop-invariant.c (seq_insns_valid_p): New function.
9994 (move_invariant_reg): Only emit new code if it is valid.
9996 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9998 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10000 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10001 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10002 (commit_one_edge_insertion): Do not look for loop notes.
10004 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10006 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10007 flag_test_coverage out of loop.
10009 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10011 * final.c (shorten_branches): Remove outdated comment, and turn
10012 the if branch that guards it to continue.
10014 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10016 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10017 * cfgloop.h (struct loop): Remove unused fields.
10019 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10021 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10022 (-dL, -fdump-rtl-loop2): Update the dump file names
10024 * doc/invoke.texi: Update dump file names.
10026 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10028 * predict.c (estimate_probability): Remove.
10029 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10030 * basic-block.h (estimate_probability): Remove prototype.
10031 * passes.c (finish_optimization_passes): Dump branch prediction or
10032 profiling heuristics to the .profile tree dump.
10033 (init_optimization_passes): Unqueue pass_branch_prob.
10035 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10037 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10039 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10040 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10042 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10044 * function.h (frame_offset_overflow): Declare.
10045 * function.c (frame_offset_overflow): New function.
10046 (assign_stack_local_1): Call it to detect that the offset overflows.
10047 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10049 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10051 * config/sh/sh.c: Include alloc-pool.h.
10052 (label_ref_list_pool): New alloc pool.
10053 (label_ref_list_t): New type for lists of labels.
10054 (struct pool_node): Make wend a label_ref_list_t.
10055 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10057 (dump_table): Likewise.
10058 (sh_reorg): Set up the alloc pool before using add_constant and
10059 dump_table, and destroy it when finishing.
10061 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10063 * config/mips/mips.c: Remove redundant comment.
10065 2006-03-10 Jason Merrill <jason@redhat.com>
10068 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10069 the target was declared 'register'.
10071 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10073 * genpreds.c (write_insn_constraint_len): Change definition of
10074 insn_constraint_len to return size_t to match the declaration.
10076 2006-03-10 DJ Delorie <dj@redhat.com>
10078 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10080 (m32c_expand_insv): Fix test for an AND mask.
10082 2006-03-10 Richard Guenther <rguenther@suse.de>
10084 PR middle-end/26565
10085 * builtins.c (get_pointer_alignment): Handle component
10086 references for field alignment.
10088 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10090 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10091 when building with libgloss.
10092 (sh*elf): Implement --without-fp option.
10093 (sh64-superh-linux*): Don't multilib.
10095 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10097 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10099 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10101 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10102 Set it when one of the replacement functions returned true.
10103 Return TODO_cleanup_cfg if cfgchanged is true.
10104 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10106 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10108 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10109 instead of gen_lowpart.
10111 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10113 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10115 (mips_output_order_conditional_branch): Declare.
10116 * config/mips/mips.h (MIPS_BRANCH): New macro.
10117 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10118 for the comparison. Use gen_condjump.
10119 (mips_output_conditional_branch): Rework interface to take the
10120 asm templates for a direct branch and the inverse of a direct branch.
10121 (mips_output_order_conditional_branch): New function.
10122 (mips_builtin_branch_and_move): New function.
10123 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10124 branch condition. Use gen_single_cc as the condition for
10125 __builtin_mips_upper_* or __builtin_mips_lower_*.
10126 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10127 Use VOIDmode for the branch condition.
10128 * config/mips/predicates.md (order_operator): New predicate.
10129 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10130 (branch_fp): Rename to...
10131 (*branch_fp): ...this. Remove mode from comparison operator.
10132 Use new mips_output_conditional_branch interface.
10133 (branch_fp_inverted): Rename to...
10134 (*branch_fp_inverted): ...this and update as for *branch_fp.
10135 (*branch_zero<mode>): Rename to...
10136 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10137 Use mips_output_order_conditional_branch. Only accept ordered
10139 (*branch_zero<mode>_inverted): Rename to...
10140 (*branch_order<mode>_inverted): ...this and update as for
10141 *branch_order<mode>.
10142 (*branch_equality<mode>): Accept zero as the second operand to
10143 the equality operator. Use the new mips_output_conditional_branch
10145 (*branch_equality<mode>_inverted): Likewise.
10146 (condjump): New expander.
10147 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10149 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10150 (bc1any2t, bc1any2f): Likewise.
10151 (single_cc): New expander.
10152 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10154 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10156 * doc/md.texi: Update documentation of MIPS constraints.
10157 * config/mips/constraints.md: New file.
10158 * config/mips/mips.md: Include it.
10159 * config/mips/mips.c (mips_char_to_class): Delete.
10160 (override_options): Don't initialize mips_char_to_class.
10161 * config/mips/mips.h (mips_char_to_class): Delete.
10162 (REG_CLASS_FROM_LETTER): Delete.
10163 (CONST_OK_FOR_LETTER_P): Delete.
10164 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10165 (EXTRA_CONSTRAINT_Y): Delete.
10166 (EXTRA_CONSTRAINT_STR): Delete.
10167 (CONSTRAINT_LEN): Delete.
10168 (EXTRA_MEMORY_CONSTRAINT): Delete.
10170 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10172 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10173 original fn's eh regions.
10175 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10177 * fold-const.c (build_range_check): Make sure to use a valid type to
10178 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10181 (range_predecessor): New static function.
10182 (range_successor): Likewise.
10183 (merge_ranges): Use them to compute predecessors and successors of
10186 2006-03-09 Roger Sayle <roger@eyesopen.com>
10188 PR middle-end/26561
10189 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10190 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10192 2006-03-08 DJ Delorie <dj@redhat.com>
10194 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10195 (addpsi3): Expand to include memory operands. Remove
10196 reload-specific splits.
10197 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10198 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10199 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10200 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10201 (shift1_qi, shift1_hi, insv): New.
10202 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10203 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10204 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10206 * config/m32c/m32c-protos.h: Update as needed.
10207 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10208 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10209 Fail for unrecognized R* constraints.
10210 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10211 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10212 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10214 (m32c_init_libfuncs): New.
10215 (m32c_legitimate_address_p): Add debug wrapper.
10216 (m32c_rtx_costs): New.
10217 (m32c_address_cost): New.
10218 (conversions): Add 'B' prefix.
10219 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10220 operands, or word regnames for QI operands. 'B' prints bit
10222 (m32c_expand_setmemhi): New.
10223 (m32c_expand_movmemhi): New.
10224 (m32c_expand_movstr): New.
10225 (m32c_expand_cmpstr): New.
10226 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10227 (m32c_expand_neg_mulpsi3): Handle non-ints.
10228 (m32c_cmp_flg_0): New.
10229 (m32c_expand_movcc): New.
10230 (m32c_expand_insv): New.
10231 (m32c_scc_pattern): New.
10232 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10233 a0/a1 out of SIregs.
10234 (STORE_FLAG_VALUE): New.
10235 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10238 * config/m32c/mov.md: Make constraints more liberal.
10239 (zero_extendqihi2): Optimize r0/r1 case.
10240 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10241 * config/m32c/predicates.md (m32c_any_operand): New.
10242 (m32c_nonimmediate_operand): New.
10243 (m32c_hl_operand): New.
10244 (m32c_r3_operand): New.
10247 (memsym_operand): New.
10248 (memimmed_operand): New.
10249 (a_qi_operand): New.
10250 (m32c_eqne_operator): New.
10251 (m32c_1bit8_operand): New.
10252 (m32c_1bit16_operand): New.
10253 (m32c_1mask8_operand): New.
10254 (m32c_1mask16_operand): New.
10255 * config/m32c/blkmov.md: New file.
10256 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10258 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10260 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10261 unsigned to fix signed/unsigned comparison issue in
10262 DWARF2_FRAME_REG_OUT.
10263 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10264 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10266 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10267 of ptr into the ENABLE_CHECKING section.
10269 2006-03-08 Jeff Law <law@redhat.com>
10271 * tree-vrp.c (infer_value_range): Only count pointer uses
10272 and dereferences if -fdelete-null-pointer-checks is enabled.
10274 * tree-vrp.c (find_assert_locations): Infer value ranges for
10275 single use pointers, but do not create ASSERT_EXPRs for them.
10276 When a non-null range is inferred for a pointer, backwards
10277 propagate that range to other equivalent pointers through the
10280 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10283 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10284 language hook targets.
10285 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10286 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10287 if language hook targets were missing.
10289 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10291 * tree-ssa-opfinalize.h: Removed.
10292 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10294 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10295 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10296 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10297 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10298 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10299 finalize_ssa_v_must_def_ops): New.
10301 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10303 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10304 block as parameter.
10306 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10308 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10310 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10311 addresses with offsets; reorganize.
10313 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10314 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10315 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10317 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10320 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10322 2006-03-08 Ben Elliston <bje@au.ibm.com>
10324 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10326 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10329 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10332 2006-03-07 Richard Guenther <rguenther@suse.de>
10334 PR tree-optimization/26587
10335 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10337 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10339 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10341 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10343 * hooks.c (hook_bool_mode_rtx_true): New function.
10344 * hooks.h (hook_bool_mode_rtx_true): Declare.
10345 * toplev.c (compile_file): Call output_shared_constant_pool.
10346 * varasm.c (shared_constant_pool): New variable.
10347 (assemble_start_function, assemble_end_function): Remove arguments
10348 from call to output_constant_pool.
10349 (create_constant_pool): New function, split out from...
10350 (init_varasm_status): ...here.
10351 (force_const_mem): Choose between the shared and per-function constant
10352 pools. Set current_function_uses_const_pool when reusing old entries
10353 as well as when creating new ones.
10354 (mark_constant): Ignore data argument.
10355 (mark_constants): Remove pool argument.
10356 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10357 to decide whether the function uses a constant pool.
10358 (output_constant_pool_contents): New function, split out from...
10359 (output_constant_pool): ...here.
10360 (output_shared_constant_pool): New function.
10361 (init_varasm_once): Initialize shared_constant_pool.
10362 * output.h (output_constant_pool): Delete.
10363 (output_shared_constant_pool): Declare.
10364 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10365 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10367 2006-03-06 Nick Clifton <nickc@redhat.com>
10369 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10370 flag_strength_reduce.
10372 2006-03-06 Ben Elliston <bje@au.ibm.com>
10374 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10375 x86_64-*-linux* configurations.
10377 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10378 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10380 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10382 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10384 * basic-block.h: Remove the extern for
10385 rediscover_loops_after_threading.
10387 * cfgloop.c (cancel_loop): Make it static.
10388 * cfgloop.h: Remove the prototype for cancel_loop.
10390 * flow.c (recompute_reg_usage): Make it static.
10391 * rtl.h: Remove the prototype for recompute_reg_usage.
10393 * function.c (use_return_register): Make it static.
10394 * function.h: Remove the prototype.
10396 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10398 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10400 * recog.h: Remove the prototype for
10401 validate_change_maybe_volatile.
10403 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10405 * rtlanal.c (replace_reg): Remove.
10406 * rtl.h: Remove the prototype for replace_reg.
10408 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10410 * regclass.c (reg_scan_update): Remove.
10411 (reg_scan_mark_refs): Remove the last argument.
10412 * rtl.h: Remove the prototype for reg_scan_update.
10414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10416 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10417 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10418 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10419 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10420 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10421 loop-invariant.c, omp-low.c, opts.c, passes.c,
10422 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10423 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10424 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10425 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10426 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10427 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10431 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10432 * dwarf2out.h: Remove the prototype for
10433 dwarf2out_add_library_unit_info.
10435 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10437 * tree.c (add_var_to_bind_expr): Remove.
10438 * tree.h: Remove the prototype for add_var_to_bind_expr.
10440 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10442 * regclass.c (n_non_fixed_regs): Remove.
10443 (init_reg_sets_1, globalize_reg): Remove all uses of
10445 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10447 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10449 * rtlanal.c (insns_safe_to_move_p): Remove.
10450 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10454 * expmed.c (expand_mult_add): Remove.
10455 * expr.h: Remove the prototype for expand_mult_add.
10457 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10459 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10460 and REG_SAVED_VAL_EXP constants.
10461 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10462 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10463 Handle regs stored by value.
10464 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10465 (execute_cfa_program): Handle DW_CFA_val_offset,
10466 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10467 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10468 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10469 (uw_install_context_1): Handle target regs stored by value.
10471 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10473 * tree-sra.c (tree_sra): Return todoflags;
10474 (generate_one_element): Set TODO_update_smt_usage if needed.
10475 (pass_sra): Remove TODO_update_smt_usage.
10476 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10478 (tree_ssa_forward_propagate_single_use_vars): Return
10479 TODO_update_smt_usage if we need to update SMT usage.
10480 (pass_forwprop): Remove TODO_update_smt_usage.
10482 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10484 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10485 (correct_use_link): Remove reference to get_stmt_operands.
10486 (update_stmt_operands): Likewise.
10487 (get_modify_expr_operands): New function factored out of
10488 parse_ssa_operands and get_expr_operands.
10489 Try to create V_MUST_DEFs for LHS by default.
10490 (get_expr_operands) <case MODIFY_EXPR>: Call
10491 get_modify_expr_operands.
10492 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10493 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10494 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10495 get_modify_expr_operands.
10497 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10499 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10500 * tree-flow.h: Remove the prototype for
10501 referenced_var_lookup_if_exists.
10503 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10505 PR rtl-optimization/26345
10507 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10509 2006-03-03 Roger Sayle <roger@eyesopen.com>
10511 PR tree-optimization/26524
10512 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10513 fold_convert to create a constant of the appropriate type.
10515 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10517 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10518 SYMBOL_REF_IN_BLOCK_P.
10519 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10520 of SYMBOL_FLAG_IN_BLOCK.
10521 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10522 instead of SYMBOL_REF_IN_BLOCK_P.
10523 * explow.c (use_anchored_address): Likewise.
10524 * rtl.c (rtx_size): Likewise.
10525 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10526 instead of SYMBOL_FLAG_IN_BLOCK.
10527 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10528 SYMBOL_REF_IN_BLOCK_P.
10529 (assemble_variable): Likewise.
10530 (output_constant_def_contents): Likewise.
10531 (output_constant_pool): Likewise.
10532 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10533 instead of SYMBOL_FLAG_IN_BLOCK.
10534 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10535 SYMBOL_REF_IN_BLOCK_P.
10536 (SYMBOL_REF_BLOCK): Likewise.
10537 (SYMBOL_REF_OFFSET): Likewise.
10538 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10539 SYMBOL_REF_IN_BLOCK_P.
10540 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10541 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10542 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10543 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10545 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10547 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10549 2006-03-02 Roger Sayle <roger@eyesopen.com>
10551 * simplify-rtx.c (simplify_unary_operation): When simplifying
10552 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10553 that we perform the right shift in the appropriate mode, and
10554 then extend or truncate the result to requested mode.
10556 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10558 * gengtype.c (main): Handle double_int type.
10559 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10560 * double-int.c: New file.
10561 * double-int.h: New file.
10562 * system.h: Include doubleint.h.
10563 * Makefile.in (SYSTEM_H): Include double-int.h.
10564 (double-int.o): Add.
10566 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10569 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10572 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10574 * tree-vrp.c (remove_range_assertions): Do not update statements
10577 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10579 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10581 * gcse.c (rest_of_handle_gcse): Ditto.
10582 * except.c (gate_handle_eh): Ditto.
10583 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10584 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10586 2006-03-02 Eric Christopher <echristo@apple.com>
10588 * config/i386/i386.c (machopic_output_stub): Add indirection to
10591 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10595 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10597 Sun Niagara specific optimizations.
10598 * config.gcc: Recognize niagara as target.
10599 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10600 (TARGET_CPU_niagara): Define.
10601 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10602 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10603 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10604 (ASM_CPU_SPEC): Likewise.
10605 (PROCESSOR_NIAGARA): New enum entry.
10606 (REGISTER_MOVE_COST): Handle Niagara.
10607 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10608 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10609 (sparc_override_options): Recognize "niagara", set appropriate
10610 default MASK_* values for it, and align functions to 32-bytes
10611 by default just like ULTRASPARC/ULTRASPARC3.
10612 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10613 (sparc64_initialize_trampoline): Likewise.
10614 (sparc_use_sched_lookahead): Use zero for niagara.
10615 (sparc_issue_rate): Use one for niagara.
10616 * config/sparc/niagara.md: New file.
10617 * config/sparc/sparc.md: Include it.
10618 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10619 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10620 when default cpu is niagara.
10621 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10622 (ASM_CPU_SPEC): Likewise.
10623 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10624 when default cpu is niagara.
10625 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10626 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10627 just like v9/ultrasparc/ultrasparc3.
10628 * doc/invoke.texi: Add documentation for "niagara" and improve
10629 existing documentation for ultrasparc variants.
10631 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10633 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10635 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10637 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10638 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10639 and say that only one is needed.
10640 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10641 * target.h (have_switchable_bss_sections): New hook.
10642 * explow.c (use_anchored_address): Check that the symbol is in a block.
10643 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10644 (bss_noswitch_section): New variables.
10645 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10646 (get_noswitch_section): New function.
10647 (get_block_for_section): Allow SECT to be null.
10648 (unlikely_text_section_p): Use SECTION_STYLE.
10649 (bss_initializer_p): New function.
10650 (get_variable_section): Move earlier in file. Take a new argument,
10651 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10652 Return one of the new *_sections in such cases.
10653 (get_block_for_decl): New function, extracting some logic from
10654 use_blocks_for_decl_p.
10655 (change_symbol_section): Remove in favor of...
10656 (change_symbol_block): ...this new function.
10657 (use_blocks_for_decl_p): Remove checks now performed by
10658 get_block_for_decl.
10659 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10660 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10661 (emit_local, emit_bss, emit_common): ...these new functions.
10662 Return true if the alignment was honored.
10663 (emit_tls_common): New function.
10664 (asm_emit_uninitialised): Delete.
10665 (assemble_variable_noswitch): New function, split out from...
10666 (assemble_variable): ...here. Don't make decisions about common
10667 variables here. Globalize all public decls that go into non-common
10668 sections. Check whether SYMBOL_REF_BLOCK is null.
10669 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10670 (output_constant_pool): Likewise.
10671 (init_varasm_once): Initialize the new section variables.
10672 (have_global_bss_p): New function.
10673 (categorize_decl_for_section): Use bss_initializer_p.
10674 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10675 (place_block_symbol): Assert that the symbol must be in a block.
10676 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10677 (TARGET_INITIALIZER): Include it.
10678 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10679 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10680 (SECTION_MACH_DEP): Bump by two.
10681 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10682 (unnamed_section): Mention SECTION_UNNAMED in comment.
10683 (named_section): Likewise SECTION_NAMED.
10684 (noswitch_section_callback): New type.
10685 (noswitch_section): New structure.
10686 (section): Add a noswitch_section alternative.
10687 (SECTION_STYLE): New macro.
10688 (tls_comm_section, comm_section, lcomm_section): Declare.
10689 (bss_noswitch_section, have_global_bss_p): Declare.
10690 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10691 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10693 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10694 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10697 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10699 * tree-vrp.c (execute_vrp): Return value.
10700 * regrename.c (rest_of_handle_regrename): Ditto.
10701 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10702 * tree-complex.c (tree_lower_complex): Ditto.
10703 (tree_lower_complex_O0): Ditto.
10704 * tracer.c (rest_of_handle_tracer): Ditto.
10705 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10706 * postreload.c (rest_of_handle_postreload): Ditto.
10707 * tree-tailcall.c (execute_tail_recursion): Ditto.
10708 (execute_tail_calls): Ditto.
10709 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10710 * tree.h (init_function_for_compilation): Ditto.
10711 * ipa-cp.c (ipcp_driver): Ditto.
10712 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10713 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10714 * final.c (compute_alignments): Ditto.
10715 (rest_of_handle_final): Ditto.
10716 (rest_of_handle_shorten_branches): Ditto.
10717 (rest_of_clean_state): Ditto.
10718 * omp-low.c (execute_expand_omp): Ditto.
10719 (execute_lower_omp): Ditto.
10720 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10721 * ipa-reference.c (static_execute): Ditto.
10722 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10723 * reorg.c (rest_of_handle_delay_slots): Ditto.
10724 (rest_of_handle_machine_reorg): Ditto.
10725 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10726 * flow.c (recompute_reg_usage): Ditto.
10727 (rest_of_handle_remove_death_notes): Ditto.
10728 (rest_of_handle_life): Ditto.
10729 (rest_of_handle_flow2): Ditto.
10730 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10731 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10732 (do_ssa_store_ccp): Ditto.
10733 (execute_fold_all_builtins): Ditto.
10734 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10735 * modulo-sched.c (rest_of_handle_sms): Ditto.
10736 * ipa-pure-const.c (static_execute): Ditto.
10737 * cse.c (rest_of_handle_cse): Ditto.
10738 (rest_of_handle_cse2): Ditto.
10739 * web.c (rest_of_handle_web): Ditto.
10740 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10741 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10742 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10743 * tree-nrv.c (tree_nrv): Ditto.
10744 (execute_return_slot_opt): Ditto.
10745 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10746 (create_structure_vars): Ditto.
10747 * loop-init.c (rtl_loop_init): Ditto.
10748 (rtl_loop_done): Ditto.
10749 (rtl_move_loop_invariants): Ditto.
10750 (rtl_unswitch): Ditto.
10751 (rtl_unroll_and_peel_loops): Ditto.
10752 (rtl_doloop): Ditto.
10753 * gimple-low.c (lower_function_body): Ditto.
10754 (mark_used_blocks): Ditto.
10755 * tree-ssa-sink.c (execute_sink_code): Ditto.
10756 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10757 (cgraph_early_inlining): Ditto.
10758 * global.c (rest_of_handle_global_alloc): Ditto.
10759 * jump.c (cleanup_barriers): Ditto.
10760 (purge_line_number_notes): Ditto.
10761 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10762 (rest_of_handle_if_after_reload): Ditto.
10763 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10764 (tree_ssa_loop_im): Ditto.
10765 (tree_ssa_loop_unswitch): Ditto.
10766 (tree_vectorize): Ditto.
10767 (tree_linear_transform): Ditto.
10768 (tree_ssa_loop_ivcanon): Ditto.
10769 (tree_ssa_empty_loop): Ditto.
10770 (tree_ssa_loop_bounds): Ditto.
10771 (tree_complete_unroll): Ditto.
10772 (tree_ssa_loop_prefetch): Ditto.
10773 (tree_ssa_loop_ivopts): Ditto.
10774 (tree_ssa_loop_done): Ditto.
10775 * predict.c (tree_estimate_probability): Ditto.
10776 * recog.c (split_all_insns_noflow): Ditto.
10777 (rest_of_handle_peephole2): Ditto.
10778 (rest_of_handle_split_all_insns): Ditto.
10779 * tree-eh.c (lower_eh_constructs): Ditto.
10780 * regmove.c (rest_of_handle_regmove): Ditto.
10781 (rest_of_handle_stack_adjustments): Ditto.
10782 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10783 * function.c (instantiate_virtual_regs): Ditto.
10784 (init_function_for_compilation): Ditto.
10785 (rest_of_handle_check_leaf_regs): Ditto.
10786 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10787 (rest_of_handle_gcse): Ditto.
10788 * ipa-type-escape.c (type_escape_execute): Ditto.
10789 * alias.c (rest_of_handle_cfg): Ditto.
10790 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10791 * profile.c (rest_of_handle_branch_prob): Ditto.
10792 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10793 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10794 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10795 * tree-dfa.c (find_referenced_vars): Ditto.
10796 * except.c (set_nothrow_function_flags): Ditto.
10797 (convert_to_eh_region_ranges): Ditto.
10798 (rest_of_handle_eh): Ditto.
10799 * emit-rtl.c (unshare_all_rtl): Ditto.
10800 (remove_unnecessary_notes): Ditto.
10801 * except.h (set_nothrow_function_flags): Ditto.
10802 (convert_to_eh_region_ranges): Ditto.
10803 * cfgexpand.c (tree_expand_cfg): Ditto.
10804 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10805 * tree-ssa-pre.c (do_pre): Ditto.
10806 (execute_fre): Ditto.
10807 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10808 (rest_of_handle_jump2): Ditto.
10809 * tree-sra.c (tree_sra): Ditto.
10810 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10811 (execute_mudflap_function_decls): Ditto.
10812 * tree-ssa-copy.c (do_copy_prop): Ditto.
10813 (do_store_copy_prop): Ditto.
10814 * ipa-prop.h (ipcp_driver): Ditto.
10815 * cfglayout.c (insn_locators_initialize): Ditto.
10816 * tree-ssa-forwprop.c
10817 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10818 * cfglayout.h (insn_locators_initialize): Ditto.
10819 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10820 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10821 (execute_late_warn_uninitialized): Ditto.
10822 * rtl.h (cleanup_barriers): Ditto.
10823 (split_all_insns_noflow): Ditto.
10824 (purge_line_number_notes): Ditto.
10825 (unshare_all_rtl): Ditto.
10826 (remove_unnecessary_notes): Ditto.
10827 (recompute_reg_usage): Ditto.
10828 (variable_tracking_main): Ditto.
10829 * integrate.c (emit_initial_value_sets): Ditto.
10830 * integrate.h (emit_initial_value_sets): Ditto.
10831 * tree-optimize.c (execute_free_datastructures): Ditto
10832 (execute_free_cfg_annotations): Ditto.
10833 (execute_fixup_cfg): Ditto.
10834 (execute_cleanup_cfg_pre_ipa): Ditto.
10835 (execute_cleanup_cfg_post_optimizing): Ditto.
10836 (execute_init_datastructures): Ditto.
10837 * tree-object-size.c (compute_object_sizes): Ditto.
10838 * combine.c (rest_of_handle_combine): Ditto.
10839 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10840 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10841 (rest_of_handle_reorder_blocks): Ditto.
10842 (rest_of_handle_partition_blocks): Ditto.
10843 * var-tracking.c (variable_tracking_main): Ditto.
10844 * tree-profile.c (tree_profiling): Ditto.
10845 * tree-vect-generic.c (expand_vector_operations): Ditto.
10846 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10847 * sched-rgn.c (rest_of_handle_sched): Ditto.
10848 (rest_of_handle_sched2): Ditto.
10849 * basic-block.h (free_bb_insn): Ditto.
10850 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10851 * tree-cfg.c (execute_build_cfg): Ditto.
10852 (remove_useless_stmts): Ditto.
10853 (split_critical_edges): Ditto.
10854 (execute_warn_function_return): Ditto.
10855 (execute_warn_function_noreturn): Ditto.
10856 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10857 * cfgrtl.c (free_bb_for_insn): Ditto.
10858 * passes.c (execute_one_pass): Run additional
10859 todos returned by execute function.
10860 * tree-pass.h (struct tree_opt_pass): Make execute
10863 2006-03-02 Richard Guenther <rguenther@suse.de>
10865 * tree-ssa-alias.c (find_used_portions): Consider taking
10866 the address as making the variable not write-only.
10868 2006-03-02 Nick Clifton <nickc@redhat.com>
10870 * config.gcc (default_use_cxa_atexit): Extend the description of
10871 this configure variable. Set its default value to "yes" for
10872 Linux, NetBSD and ELF targets on the assumption that they will
10873 use C libraries with the __cxa_atexit function.
10875 2006-03-02 Ben Elliston <bje@au.ibm.com>
10877 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10878 parameter as unused to suppress a build warning.
10880 2006-03-02 Ben Elliston <bje@au.ibm.com>
10882 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10885 2006-03-01 Roger Sayle <roger@eyesopen.com>
10888 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10889 declared name, the weak reference name, and the typeof name.
10890 (__gthrw): Avoid expanding the declared name suffix.
10891 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10893 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10895 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10897 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10898 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10899 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10900 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10901 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10902 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10903 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10904 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10905 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10906 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10907 (DW_END_default, DW_END_big, DW_END_little): New.
10908 (DW_END_lo_user, DW_END_hi_user): Define.
10909 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10910 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10911 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10914 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10916 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10918 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10920 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10922 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10924 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10925 to 'symbol_mem_tag'.
10927 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10930 2006-03-01 Roger Sayle <roger@eyesopen.com>
10932 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10934 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10937 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10938 MACHO_DYNAMIC_NO_PIC_P.
10939 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10941 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10944 * config/darwin-protos.h (darwin_asm_output_anchor):
10946 * config/darwin-sections.def (cstring_section):
10947 Add SECTION_MERGE to the flags.
10948 (literal4_section): Likewise.
10949 (literal8_section): Likewise.
10950 (objc_selector_refs_section): Likewise.
10951 (objc_cls_refs_section): Likewise.
10952 * config/darwin.c (darwin_asm_output_anchor): New
10954 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10956 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10958 Fix PR tree-optimization/26443
10959 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10960 to todo and PROP_tmt_usage to properties_destroyed.
10961 * tree-ssa-ccp.c (pass_ccp): Ditto.
10962 (pass_store_ccp): Ditto.
10963 * tree-ssa-dom.c (pass_dominator): Ditto.
10965 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10967 * tree-ssa-operands.c: Cleanup whitespace.
10968 (get_asm_expr_operands): Move before first invocation.
10969 (get_indirect_ref_operands): Likewise.
10970 (get_tmr_operands): Likewise.
10971 (get_call_expr_operands): Likewise.
10972 (append_def): Likewise.
10973 (append_use): Likewise.
10974 (append_v_may_def): Likewise.
10975 (append_v_must_def): Likewise.
10976 (add_call_clobber_ops): Likewise.
10977 (add_call_read_ops): Likewise.
10978 (add_stmt_operand): Likewise.
10979 (add_virtual_operand): Likewise.
10980 (build_ssa_operands): Likewise.
10982 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10984 PR middle-end/26022
10986 PR middle-end/24437
10987 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10988 with a call expr to ...
10989 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10991 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10993 * tree-vrp.c (extract_range_from_assert): Remove special
10994 handling for types with super-types.
10996 2006-03-01 Ben Elliston <bje@au.ibm.com>
10998 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10999 and powerpc64-*-linux* configurations.
11000 * config/t-dfprules: New file.
11002 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11003 Compile dfp-bit.c from the source directory using -DWIDTH and
11004 $DFP_CFLAGS to control the compilation of that file, rather than
11005 generating width-specific versions in the build directory.
11006 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11007 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11009 2006-02-28 Zack Weinberg <zackw@panix.com>
11011 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11014 2006-02-28 Eric Christopher <echristo@apple.com>
11016 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11017 Set up IN_LIBGCC definition of TARGET_64BIT.
11018 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11020 2006-02-28 Roger Sayle <roger@eyesopen.com>
11022 PR middle-end/14752
11023 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11024 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11025 cases via the construction of "expr != 0".
11027 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11029 * alias.c (alias_invariant, alias_invariant_size): Remove.
11030 (record_base_value): Remove.
11031 (memrefs_conflict_p): Don't look at alias_invariant.
11032 (end_alias_analysis): Don't free it.
11033 * alias.h (record_base_value): Remove prototype.
11035 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11036 Adam Nemet <anemet@caviumnetworks.com>
11038 * rtl.h (truncated_to_mode): Declare it.
11039 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11040 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11041 (RTL_HOOKS_INITIALIZER): Include it.
11042 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11043 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11044 reg_truncated_to_mode.
11045 * rtlanal.c (truncated_to_mode): Define it.
11046 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11048 2006-02-28 Jeff Law <law@redhat.com>
11050 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11051 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11052 the range allowed by TYPE_PRECISION.
11054 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11056 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11058 PR tree-optimization/26419
11059 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11062 2006-02-27 Zack Weinberg <zackw@panix.com>
11064 * doc/md.texi: Fix typo in previous change.
11066 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11070 2006-02-27 Zack Weinberg <zackw@panix.com>
11072 * rtl.def (define_constraint, define_register_constraint)
11073 (define_memory_constraint, define_address_constraint): New MD forms.
11074 * gensupport.c (process_rtx): Put define_constraint etc on the
11076 * genpreds.c (process_define_predicate): Adjust comment. Validate
11077 the name, and call validate_exp to validate the expression.
11078 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11079 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11080 all callers changed.
11081 (validate_exp, needs_variable, struct constraint_data)
11082 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11083 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11084 (const_dbl_constraints, constraint_max_namelen)
11085 (have_register_constraints, have_memory_constraints)
11086 (have_address_constraints, have_address_constraints)
11087 (have_extra_constraints, have_const_int_constraints)
11088 (have_const_dbl_constraints, mangle, add_constraint)
11089 (process_define_constraint, process_define_register_constraint)
11090 (write_enum_constraint_num, write_lookup_constraint)
11091 (write_insn_constraint_len, write_regclass_for_constraint)
11092 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11093 (write_insn_extra_memory_constraint)
11094 (write_insn_extra_address_constraint)
11095 (write_satisfies_constraint_fns): New.
11096 (write_tm_preds_h): If we have new-style constraint definitions,
11097 prototype the functions generated from them, and define the
11098 old constraint interface (still used by generic code) in terms of
11100 (write_insn_preds_c): If we have new-style constraint definitions,
11101 generate all relevant functions from those definitions.
11102 (main): Handle define_constraint etc.
11103 * genoutput.c (struct constraint_data, indep_constraints)
11104 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11105 (mdep_constraint_len): New data structures and functions, defined
11106 #ifdef USE_MD_CONSTRAINTS.
11107 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11108 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11109 use new logic to validate operand constraints against constraint
11111 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11113 * defaults.h: If none of the old-style constraint macros are
11114 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11115 old-style macros; and poison REG_CLASS_FROM_LETTER,
11116 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11118 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11119 * doc/md.texi: Document new constraint-definition mechanism and the
11120 C interface it provides. Remove references to old mechanism
11121 elsewhere in the document.
11122 (Machine Constraints): Use pathnames relative to gcc directory,
11123 i.e. config/ARCH/FILE. Change i386 section to refer to
11124 config/i386/predicates.md; update that section to match docstrings.
11125 * doc/tm.texi: Move all documentation of the old constraint-
11126 definition macros to their own section, clearly mark as obsolete.
11128 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11129 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11131 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11132 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11133 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11134 constraint strings.
11135 (splits and peepholes): Use satisfies_constraint_*.
11136 * config/i386/i386.c (memory_address_length)
11137 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11139 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11141 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11142 scalar operation to be put back into the loop.
11144 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11147 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11148 (extract_cie_info): Handle S flag in augmentation string.
11149 (execute_cfa_program): If context->signal_frame, execute also
11150 fs->pc == context->ra instructions.
11151 (uw_frame_state_for): If context->signal_frame, don't subtract one
11152 from context->ra to find FDE.
11153 (uw_update_context_1): Set context->signal_frame to
11155 (_Unwind_GetIPInfo): New function.
11156 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11157 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11159 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11160 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11161 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11162 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11163 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11164 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11165 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11166 x86_64_fallback_frame_state): Set fs->signal_frame.
11167 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11168 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11169 (frob_update_context): Likewise. Workaround missing S flag in
11170 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11171 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11172 Remove the psw_addr + 1 hack.
11174 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11176 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11177 with aggregates here.
11178 (find_func_aliases): Remove code for &<aggregate> from here.
11180 2006-02-26 Roger Sayle <roger@eyesopen.com>
11182 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11183 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11184 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11185 as (X & C) ne/eq 0.
11187 2006-02-26 Roger Sayle <roger@eyesopen.com>
11189 PR middle-end/19983
11190 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11192 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11194 * opts.c (decode_options): Do not handle flag_strength_reduce.
11195 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11196 and OPT_fstrength_reduce.
11197 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11198 flag_prefetch_loop_arrays for being nonzero.
11199 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11201 (fprefetch-loop-arrays-rtl): Removed.
11202 (flag_prefetch_loop_arrays): Do not specify the value.
11204 * doc/passes.texi: Update documentation of loop optimizer
11206 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11207 -frerun-loop-opt): Remove.
11209 2006-02-26 Richard Guenther <rguenther@suse.de>
11211 PR tree-optimization/26421
11212 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11213 in function calls that are ADDR_EXPRs as using the whole structure.
11215 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11217 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11218 * tree-pass.h (pass_loop_optimize): Remove.
11219 * passes.c (pass_loop_optimize): Never run it.
11220 * toplev.c (backend_init): Don't call init_loop.
11221 * opts.c (flag_loop_optimize_set): Remove.
11222 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11223 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11224 the old RTL loop optimizer when profiling enabled.
11225 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11226 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11227 pre-headers for the sake of the old RTL loop optimizer.
11228 * Makefile.in: Remove all references to loop.o.
11230 * doc/invoke.texi: Remove all references to -floop-optimize
11231 and -frerun-loop-opt.
11233 2006-02-26 Zack Weinberg <zackw@panix.com>
11235 * doc/md.texi (Machine Constraints): Refer to all files with paths
11236 relative to gcc directory (i.e. config/CPU/file). Add missing
11237 @table @code ... @end table to M32C subsection.
11239 2006-02-26 Roger Sayle <roger@eyesopen.com>
11241 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11243 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11245 2006-02-26 Roger Sayle <roger@eyesopen.com>
11246 James A. Morrison <phython@gcc.gnu.org>
11248 PR middle-end/21137
11249 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11250 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11251 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11252 signedness of the shift operation.
11254 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11256 PR tree-optimization/26359
11257 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11259 2006-02-25 Roger Sayle <roger@eyesopen.com>
11261 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11262 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11263 as X == 0, and some symmetry related transformations.
11264 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11266 2006-02-25 Roger Sayle <roger@eyesopen.com>
11268 PR middle-end/23673
11269 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11270 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11271 symmetry related transformations. Fold (X^C1) == C2 as
11274 2006-02-25 Juergen Weigert <jw@suse.de>
11275 Richard Guenther <rguenther@suse.de>
11277 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11279 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11281 * combine.c (gen_lowpart_or_truncate): Call
11282 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11284 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11286 * doc/invoke.texi: Move -fopenmp description to "Options for
11288 Remove reference to -lgomp.
11290 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11292 * doc/install.texi: Require GNU tar version 1.14.
11294 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11296 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11297 * doc/invoke.texi (C++ Dialect Options): Document
11298 -fno-use-cxa-get-exception-ptr.
11299 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11300 * configure: Regenerate.
11301 * c.opt (fuse-cxa-get-exception-ptr): New.
11302 * c-opts.c (c_common_handle_option): Handle
11303 OPT_fuse_cxa_get_exception_ptr.
11304 * c-common.c (flag_use_cxa_atexit): Update documentation.
11305 (flag_use_cxa_get_exception_ptr): New.
11306 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11307 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11309 (C_COMMON_OVERRIDE_OPTIONS): New.
11311 2006-02-24 Roger Sayle <roger@eyesopen.com>
11313 PR middle-end/24952
11314 * combine.c (try_combine): Explicitly check whether GET_CODE is
11315 a SET or a CLOBBER, instead on checking that it isn't a USE.
11317 2006-02-24 Roger Sayle <roger@eyesopen.com>
11319 * fold-const.c (fold_comparison): New subroutine of fold_binary
11320 containing transformations common to both the equality and
11321 ordering relational operators, factored out of fold_binary.
11322 (fold_binary): Separate out the equality operators (EQ_EXPR
11323 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11324 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11325 transformations common to both.
11326 (fold_div_compare): Fix latent bugs in the previously unreachable
11327 LT_EXPR and GE_EXPR cases.
11329 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11331 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11332 decl libname for clog to __clog on AIX.
11334 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11336 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11339 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11340 output traceback table for thunks. Localise rs6000_stack_info call.
11342 2006-02-23 Roger Sayle <roger@eyesopen.com>
11343 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11345 * gthr-posix.h (__gthrw): Fix typo in comment.
11347 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11349 * doc/cpp.texi (Character sets): Document that we do support
11350 input files to be in any character set.
11352 2006-02-23 Jeff Law <law@redhat.com>
11354 * tree.h (PHI_ARG_NONZERO): Remove.
11355 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11356 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11357 node to the new node.
11359 PR tree-optimization/26425
11360 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11361 min/max, then assume its varying.
11363 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11365 PR rtl-optimization/26316
11366 * rtlanal.c (enum may_trap_p_flags): New.
11367 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11368 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11369 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11370 (may_trap_after_code_motion_p): New function.
11371 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11372 (find_invariant_insn): Use may_trap_after_code_motion_p.
11373 * rtl.h (may_trap_after_code_motion_p): Declare.
11375 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11377 * emit-rtl.c (immed_double_const): Cleanup.
11379 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11381 Fix PR tree-optimization/26376
11382 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11385 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11387 PR middle-end/26412
11388 * gimplify.c (omp_add_variable): Guard variable size decl test with
11389 DECL_SIZE (decl) check.
11391 2006-02-23 Richard Guenther <rguenther@suse.de>
11393 PR middle-end/26439
11394 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11395 like aggregate types.
11397 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11399 * configure.ac: Add --with{,out}-long-double-128 configure option.
11400 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11401 * configure: Rebuilt.
11402 * config.in: Rebuilt.
11403 * doc/install.texi (Options specification): Document
11404 --with-long-double-128.
11406 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11407 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11408 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11409 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11411 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11413 * config/s390/s390.c (override_options): Handle
11414 TARGET_DEFAULT_LONG_DOUBLE_128.
11416 * config/alpha/alpha.c (override_options): Handle
11417 TARGET_DEFAULT_LONG_DOUBLE_128.
11419 * config/sparc/sparc.c (sparc_override_options): Handle
11420 TARGET_DEFAULT_LONG_DOUBLE_128.
11422 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11424 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11425 (real-install-headers-tar, real-install-headers-cpio)
11426 (real-install-headers-cp): New targets.
11428 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11430 * tree.h (variable_section): Delete.
11431 * varasm.c (variable_section): Delete.
11433 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11435 * install.texi: Add notes on install.texi2html.
11436 (Building in parallel): Do not use footnotes.
11438 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11441 * doc/install.texi (Configuration): Document --disable-libgomp.
11443 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11445 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11447 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11449 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11450 (vec_extractv2df_0_sse): New.
11452 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11454 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11455 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11456 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11457 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11458 to the result of the expression.
11459 (def_cfa_1): Adjust.
11460 (frame_pointer_cfa_offset): Rename to...
11461 (frame_pointer_fb_offset): ... this. Adjust all uses.
11462 (convert_cfa_to_loc_list): Rename to...
11463 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11464 Pass it on to build_cfa_loc.
11465 (compute_frame_pointer_to_cfa_displacement): Rename to...
11466 (compute_frame_pointer_to_fb_displacement): ... this. New
11467 offset parameter. Use it in computation.
11468 (gen_subprogram_die): Compute cfa_fb_offset with the new
11469 macro, and use it to compute the fb loc list and the
11472 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11474 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11475 replaced with register_operand.
11476 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11477 non-DREG is expensive.
11478 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11479 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11482 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11484 * doc/install.texi2html: Use set -e.
11486 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11488 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11489 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11490 * doc/invoke.texi (-fshared-data): Delete.
11491 * common.opt (fshared-data): Delete.
11492 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11493 (assemble_static_space): Remove #if 0 code.
11494 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11495 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11496 * config/cris/cris.h: Remove FIXME.
11498 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11500 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11503 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11505 PR middle-end/26379
11506 * combine.c (simplify_shift_const_1): Disable nested shifts
11507 optimization for vector shifts.
11509 2006-02-20 Roger Sayle <roger@eyesopen.com>
11511 PR tree-optimization/26361
11512 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11513 of unsigned integer types.
11515 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11517 * tree-chrec.c (eq_evolutions_p): New.
11518 * tree-chrec.h (eq_evolutions_p): Declared.
11519 * tree-data-ref.c: Fix formatting.
11520 (datadep_stats, dependence_stats): New.
11522 (print_direction_vector): New.
11523 (dump_data_dependence_relation): Use print_direction_vector.
11524 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11525 (compute_subscript_distance): Static.
11526 (initialize_data_dependence_relation): Static. Get the number
11527 of loops surrounding the references from the callers, and initialize
11528 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11529 base_object_differ_p analyzers.
11530 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11531 compute_overlap_steps_for_affine_1_2,
11532 analyze_subscript_affine_affine): Count the classified dependences.
11533 Print a message when a test failed.
11534 (can_use_analyze_subscript_affine_affine): New.
11535 (analyze_siv_subscript): Compute the data dependences on symbolic
11536 scevs that verify can_use_analyze_subscript_affine_affine.
11537 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11538 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11539 Handle symbolic scevs.
11540 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11542 (subscript_dependence_tester): Moved...
11543 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11544 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11545 DDR_SIZE_VECT instead of getting it in parameter.
11546 (subscript_dependence_tester): ... here. Take as a parameter
11547 loop_nest_depth. Call build_classic_dist_vector and
11548 build_classic_dir_vector.
11549 (compute_affine_dependence): Update subscript_dependence_tester
11550 parameters. Update datadep_stats counters. Call
11551 compute_subscript_distance.
11552 (compute_self_dependence): Save the dist and dir vectors. Call
11553 compute_subscript_distance.
11554 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11555 (compute_all_dependences): Reorder parameters as they were before
11556 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11557 compute_subscript_distance. Update the use of
11558 compute_affine_dependence and initialize_data_dependence_relation.
11559 (find_data_references_in_loop): Handle COMPONENT_REF.
11560 (compute_data_dependences_for_loop): Initialize dependence_stats.
11561 Don't call build_classic_dist_vector and build_classic_dir_vector.
11562 Update the parameters of initialize_data_dependence_relation and
11563 compute_all_dependences. Print the statistics from datadep_stats.
11564 (analyze_all_data_dependences): Static. Not used until the pass for
11565 checking the data dependences is contributed.
11566 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11567 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11568 (initialize_data_dependence_relation, compute_affine_dependence,
11569 analyze_all_data_dependences, compute_subscript_distance): Removed.
11570 (print_direction_vector): New.
11571 * lambda.h (gcd): ... here.
11572 (lambda_vector_gcd): Moved here from gcd_vector.
11573 * lambda-code.c (gcd, gcd_vector): Removed.
11574 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11575 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11577 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11579 * ipa-type-escape.c: Tidy some comments and white space.
11580 * tree-ssa-operands.c: Likewise.
11582 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11585 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11586 (dump_decl_name): Do not walk the decl tree chains.
11587 * tree-pass.h (TDF_CHAIN): Remove.
11589 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11591 * Makefile.in (C): Remove
11593 (.PHONY): Remove C and PROTO
11595 2006-02-20 Roger Sayle <roger@eyesopen.com>
11597 PR middle-end/26236
11598 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11599 deprecated CHAR_TYPE tree code.
11601 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11603 * configure.ac (target_list): Add install-info, dvi, html.
11604 * configure: Regenerate.
11606 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11607 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11608 treelang/Make-lang.in: Do not use double-colon rules.
11610 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11612 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11613 (TMT_USED_ALONE): New macro.
11614 * tree-pass.h (PROP_tmt_usage): New property.
11615 (TODO_update_tmt_usage): New todo.
11616 * tree-ssa-alias.c (updating_used_alone): New variable.
11617 (recalculate_used_alone): New function.
11618 (compute_may_aliases): Set updating_used_alone, call
11619 recalculate_used_alone.
11620 * tree-sra.c (pass_sra): Note that this pass destroys
11621 PROP_tmt_usage, and add TODO_update_tmt_usage.
11622 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11623 * tree-flow.h (updating_used_alone): Prototype.
11624 (recalculate_used_alone): Ditto.
11625 * passes.c (execute_todo): Add code to set updating_used_alone,
11626 and call recalculate.
11627 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11628 for clobber if used alone, and add assert to verify used_alone
11631 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11633 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11634 for non tls symbols added.
11635 (legitimize_address): Do nothing for PLUS expressions if one of the
11636 addends is a tls symbol reference.
11638 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11642 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11644 * Makefile.in (BOOTSTRAPPING): New.
11645 (quickstrap): New definition if BOOTSTRAPPING=yes.
11647 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11648 * configure.ac: Substitute all_selected_languages with the languages
11649 that were configured. For all the other variables except
11650 lang_specs_files, include all the languages in the tree.
11651 * configure: Regenerate.
11653 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11654 if there is one. Run the commands to run fixincludes in the same
11657 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11658 * doc/install.texi: Document exact conventions for searching target tools.
11659 Document --with-build-time-tools. Document toplevel bootstrap. Document
11660 something more about building an Ada cross-compiler. Don't list GNU Make
11661 requirements which affect all platforms.
11663 2006-02-19 Roger Sayle <roger@eyesopen.com>
11665 PR middle-end/19543
11666 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11667 only equivalent if the have both the same mode and precision.
11669 2006-02-20 Ben Elliston <bje@au.ibm.com>
11671 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11673 2006-02-19 Roger Sayle <roger@eyesopen.com>
11674 Steven Bosscher <stevenb.gcc@gmail.com>
11676 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11677 constant pool references to identify stack mode constants.
11678 * rtlanal.c (constant_pool_constant_p): New predicate to check
11679 whether operand is a floating point constant in the pool.
11680 * rtl.h (constant_pool_constant_p): Prototype here.
11681 * loop.c (scan_loop): Avoid hoisting constants from the constant
11682 pool on STACK_REGS targets.
11683 (load_mems): Likewise.
11684 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11685 loads into x87 registers expensive in terms of register pressure.
11687 2006-02-19 Roger Sayle <roger@eyesopen.com>
11689 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11690 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11692 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11694 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11695 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11697 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11699 * doc/invoke.texi: Document -fipa-pta.
11700 * common.opt: Add ipa-pta option.
11701 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11702 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11703 (do_ds_constraint): Ditto.
11704 (get_constraint_for): Only add to referenced_vars if
11705 referenced_vars exists.
11706 (insert_into_field_list): Rewrite to do this unsorted.
11707 (insert_into_field_list_sorted): Rename old insert_into_field_list
11709 (create_function_info_for): Use insert_into_field_list_sorted.
11710 (create_variable_info_for): Rewrite so it uses unsorted version,
11711 since the field list is sorted.
11712 (intra_create_variable_infos): Only add to referenced_vars if
11713 referenced_vars exists.
11714 (ipa_pta_execute): Init heapvars, and delete when done.
11715 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11717 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11719 * doc/install.texi: Add missing `@samp'.
11721 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11723 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11726 2006-02-18 Mark Wielaard <mark@klomp.org>
11728 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11729 who added new 4.1 features, bug fixes and integration support.
11731 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11734 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11735 MEM for ABI_V4 pic.
11737 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11739 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11740 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11741 (copy_insn_1): Likewise. Don't copy each field individually.
11743 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11745 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11746 * rtl.c (rtx_size): Rename variable to...
11747 (rtx_code_size): ...this.
11748 (rtx_size): New function.
11749 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11750 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11752 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11753 * rtl.h (rtx_code_size): New variable.
11754 (rtx_size): Change from a variable to a function.
11755 (RTX_SIZE): Rename to...
11756 (RTX_CODE_SIZE): ...this.
11759 PR tree-optimization/17106
11760 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11761 (Anchored Addresses): New section.
11762 * doc/invoke.texi (-fsection-anchors): Document.
11763 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11764 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11765 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11766 * hooks.c (hook_bool_mode_rtx_false): New function.
11767 * hooks.h (hook_bool_mode_rtx_false): Declare.
11768 * gengtype.c (create_optional_field): New function.
11769 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11770 SYMBOL_REF_IN_BLOCK_P is true.
11771 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11772 (min_anchor_offset, max_anchor_offset): Likewise.
11773 (use_anchors_for_symbol_p): New hook.
11774 * toplev.c (compile_file): Call output_object_blocks.
11775 (target_supports_section_anchors_p): New function.
11776 (process_options): Check that -fsection-anchors is only used on
11777 targets that support it and when -funit-at-a-time is in effect.
11778 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11779 if the decl doesn't have one.
11780 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11781 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11782 of force_const_mem through use_anchored_address.
11783 (expand_expr_constant): New function.
11784 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11785 calling expand_expr for INDIRECT_REF.
11786 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11787 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11788 * expr.h (use_anchored_address): Declare.
11789 * loop-unroll.c: Don't declare rtx vectors here.
11790 * explow.c: Include output.h.
11791 (validize_mem): Call use_anchored_address.
11792 (use_anchored_address): New function.
11793 * common.opt (-fsection-anchors): New switch.
11794 * varasm.c (object_block_htab, anchor_labelno): New variables.
11795 (hash_section, object_block_entry_eq, object_block_entry_hash)
11796 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11797 (use_blocks_for_decl_p, change_symbol_section): New functions.
11798 (get_variable_section): New function, split out from assemble_variable.
11799 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11800 use_blocks_for_decl_p say so. Use change_symbol_section if the
11801 symbol has already been created.
11802 (assemble_variable_contents): New function, split out from...
11803 (assemble_variable): ...here. Don't output any code for
11804 block symbols; just pass them to place_block_symbol.
11805 Use get_variable_section and assemble_variable_contents.
11806 (get_constant_alignment, get_constant_section, get_constant_size): New
11807 functions, split from output_constant_def_contents.
11808 (build_constant_desc): Create a block symbol if use_object_blocks_p
11809 says so. Or into SYMBOL_REF_FLAGS.
11810 (assemble_constant_contents): New function, split from...
11811 (output_constant_def_contents): ...here. Don't output any code
11812 for block symbols; just pass them to place_section_symbol.
11813 Use get_constant_section and get_constant_alignment.
11814 (force_const_mem): Create a block symbol if use_object_blocks_p and
11815 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11816 (output_constant_pool_1): Add an explicit alignment argument.
11817 Don't switch sections here.
11818 (output_constant_pool): Adjust call to output_constant_pool_1.
11819 Switch sections here instead. Don't output anything for block symbols;
11820 just pass them to place_block_symbol.
11821 (init_varasm_once): Initialize object_block_htab.
11822 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11823 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11824 (place_block_symbol, get_section_anchor, output_object_block)
11825 (output_object_block_htab, output_object_blocks): New functions.
11826 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11827 (TARGET_ASM_OUT): Include it.
11828 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11829 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11830 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11831 (TARGET_INITIALIZER): Include them.
11832 * rtl.c (rtl_check_failed_block_symbol): New function.
11833 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11834 (block_symbol, object_block): New structures.
11835 (rtx_def): Add a block_symbol field to the union.
11836 (BLOCK_SYMBOL_CHECK): New macro.
11837 (rtl_check_failed_block_symbol): Declare.
11838 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11839 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11840 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11841 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11842 * output.h (output_section_symbols): Declare.
11843 (object_block): Name structure.
11844 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11845 (default_use_anchors_for_symbol_p): Declare.
11846 * Makefile.in (RTL_BASE_H): Add vec.h.
11847 (explow.o): Depend on output.h.
11848 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11849 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11851 (rs6000_use_blocks_for_constant_p): New function.
11853 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11855 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11857 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11860 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11863 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11865 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11869 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11871 PR middle-end/26334
11872 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11873 instead of DECL_REGISTER.
11875 2006-02-18 Olivier Hainque <hainque@adacore.com>
11878 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11880 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11883 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11884 * opth-gen.awk: Handle Var and InverseMask together.
11885 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11886 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11887 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11888 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11890 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11891 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11892 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11893 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11894 LINUX_DYNAMIC_LINKER): Define.
11895 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11896 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11898 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11899 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11900 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11902 (TARGET_C99_FUNCTIONS): Don't define.
11903 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11904 GLIBC_DYNAMIC_LINKER.
11905 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11906 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11907 GLIBC_DYNAMIC_LINKER64): Define.
11908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11909 LINUX_DYNAMIC_LINKER64.
11910 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11912 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11914 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11916 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11917 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11918 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11920 and LINUX_DYNAMIC_LINKER32.
11921 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11923 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11925 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11927 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11928 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11929 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11930 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11931 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11932 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11933 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11934 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11935 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11936 LINUX_DYNAMIC_LINKER): Define.
11937 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11938 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11939 GLIBC_DYNAMIC_LINKER64): Define.
11940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11941 LINUX_DYNAMIC_LINKER64.
11942 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11943 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11944 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11945 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11946 LINUX_DYNAMIC_LINKER): Define.
11947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11948 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11949 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11950 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11951 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11952 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11953 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11954 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11955 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11956 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11958 * doc/invoke.texi (-muclibc): Remove caveat about supported
11961 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11963 * doc/cpp.texi (__TIMESTAMP__): Document.
11965 2006-02-17 Roger Sayle <roger@eyesopen.com>
11967 PR middle-end/25600
11968 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11969 C is one less than the width of X (and related transformations).
11970 * simplify-rtx.c (simplify_unary_operation_1): Transform
11971 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11972 depending on STORE_FLAG_VALUE, were C is one less then the
11975 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11977 Fix PR tree-optimization/26341
11978 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11979 about NAME_MEMORY_TAG's.
11981 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11984 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11985 with hardware float support, and software float support. Add fcpy
11986 alternative to hardware patterns. Add alternatives to copy between
11987 general and floating-point registers to the 32-bit pattern.
11988 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11989 secondary reload to load a QI or HI mode constant into a floating
11991 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11992 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11994 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11997 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11999 (load_macho_picbase_di): Likewise.
12001 2006-02-16 Jeff Law <law@redhat.com>
12003 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12004 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12005 (ssa_name_nonzero_p): Likewise.
12006 (get_value_range): Return NULL if VRP is not running.
12007 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12008 VRP routines do not discover a range.
12009 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12010 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12011 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12012 (tree_expr_nonnegative_p): Similarly.
12013 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12014 (restore_nonzero_vars_to_original_value): Remove.
12015 (unsafe_associative_fp_binop): Remove.
12016 (tree_ssa_dominator_optimize): Remove initialization and
12017 finalization of nonzero_vars and nonzero_vars_stack.
12018 (dom_opt_initialize_block): No longer push marker on
12019 nonzero_vars_stack.
12020 (dom_opt_finalize_block): No longer call
12021 restore_nonzero_vars_to_original_value.
12022 (record_equivalences_from_phis): No longer look for
12023 nonzero PHI arguments.
12024 (cprop_into_successor_phis): No longer propagate nonzero
12025 property into PHI arguments. Lose unused argument. Caller
12027 (record_equivalences_from_stmt): No longer record nonzero
12028 values for SSA_NAMEs.
12029 (lookup_avail_expr): No longer use nonzero_vars.
12031 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12032 for sizetype when sizetype is unsigned.
12034 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12036 PR rtl-optimization/25603
12037 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12038 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12039 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12040 with new meaning of SETS.
12042 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12047 * config/linux.opt: New file.
12048 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12049 LINUX_DYNAMIC_LINKER): Define.
12050 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12051 * config.gcc (*-*-linux*): Define extra_options.
12052 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12053 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12054 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12055 GLIBC_DYNAMIC_LINKER.
12056 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12057 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12058 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12060 * doc/invoke.texi (GNU/Linux Options): New section.
12062 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12064 * config/sparc/sparc.md (setjmp): Rewrite.
12065 (setjmp_32): Delete.
12066 (setjmp_64): Likewise.
12068 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12070 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12073 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12075 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12078 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12080 PR rtl-optimization/26296
12081 * Makefile.in (loop-invariant.c): Add except.h dependency.
12082 * loop-invariant.c: Include except.h.
12083 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12085 2005-02-16 Paul Brook <paul@codesourcery.com>
12087 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12090 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12092 PR rtl-optimization/25636
12093 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12094 when deciding whether an insn is an initializing insn.
12096 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12098 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12099 (tree_code_size): Ditto.
12100 * tree.h (struct tree_memory_tag): Remove parent_var.
12101 (struct tree_struct_field_tag): New.
12104 (union tree_node): Add sft member.
12105 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12107 (create_sft): Add size and offset argument, set SFT_OFFSET and
12109 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12110 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12111 * tree-flow-inline.h (get_subvar_at): Update for
12112 SFT_OFFSET/SFT_SIZE.
12113 (var_can_have_subvars): Ditto.
12114 (overlap_subvar): Ditto.
12115 * print-tree.c (print_node): Print out interesting things for
12117 * tree-flow.h (struct subvar): Remove offset and size members.
12118 * tree-ssa-operands.c (get_expr_operands): Update for
12119 get_indirect_ref_operands changes.
12120 (get_indirect_ref_operands): Call add_virtual_operand instead of
12121 add_stmt_operand. Only recurse on base var if requested.
12122 (access_can_touch_variable): New function.
12123 (add_stmt_operand): Split virtual operand handling into ...
12124 (add_virtual_operand): Here. Add offset, size, and for_clobber
12125 arguments. Prune alias sets.
12126 (add_call_clobber_ops): Call add_virtual_operand.
12128 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12130 PR middle-end/26300
12131 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12133 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12134 than TREE_CODE as index into omp_clause_num_ops array.
12136 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12138 PR rtl-optimization/26184
12139 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12141 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12142 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12143 must_precede, must_follow and tobe_scheduled.
12146 * opts.c (common_handle_option): Free new_option pointer.
12147 * df-core.c (df_analyze): Free postorder pointer.
12149 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12151 * Makefile.in: Fix the examples about the use of stamps
12153 2006-02-15 Michael Matz <matz@suse.de>
12155 PR middle-end/22275
12157 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12158 influenced by maximum_field_alignment or DECL_PACKED.
12159 (update_alignment_for_field): Ditto.
12160 (place_field): Ditto.
12161 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12164 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12166 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12167 (debug_flow_info): Pass it.
12168 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12169 * bb-reorder.c (reorder_basic_blocks): Likewise.
12170 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12171 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12172 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12173 * gcse.c (gcse_main, bypass_jumps): Likewise.
12174 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12175 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12176 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12177 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12178 * rtl.h (dump_flow_info): Adjust prototype.
12179 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12180 * var-tracking.c (variable_tracking_main): Likewise.
12181 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12182 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12185 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12187 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12190 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12192 PR tree-optimization/26209
12193 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12194 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12196 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12198 2006-02-14 Roger Sayle <roger@eyesopen.com>
12200 PR middle-end/23670
12201 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12202 (X,Y) and the corresponding symmetry related transformations.
12203 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12204 (X,Y) and its symmetry related transformations.
12206 2006-02-14 Roger Sayle <roger@eyesopen.com>
12208 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12211 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12213 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12215 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12218 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12219 support COMDAT group.
12220 * configure: Regenerate.
12222 2006-02-14 Roger Sayle <roger@eyesopen.com>
12224 PR middle-end/26279
12225 PR middle-end/26280
12226 PR middle-end/26283
12227 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12229 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12231 Fix PR tree-optimization/26260
12233 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12235 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12236 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12237 * tree-ssa-structalias.c (create_variable_info_for): Use
12238 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12240 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12242 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12244 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12245 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12246 of the ending condition.
12247 * tree-ssa-loop-manip.c: Include params.h.
12248 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12249 tree_unroll_loop): New functions.
12250 * tree-pass.h (pass_loop_prefetch): Declare.
12251 * loop.c (rest_of_handle_loop_optimize): Test for
12252 -fprefetch-loop-arrays-rtl.
12253 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12254 * timevar.def (TV_TREE_PREFETCH): New timevar.
12255 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12256 pass_loop_prefetch): New.
12257 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12258 (cleanup_tree_cfg_loop): Call scev_reset.
12259 * common.opt (fprefetch-loop-arrays-rtl): Add.
12260 * tree-ssa-loop-prefetch.c: New file.
12261 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12262 (new_temp_expr_table): Initialize expr_vars.
12263 (free_temp_expr_table): Cleanup expr_vars.
12264 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12265 expressions from being merged into one.
12266 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12267 (struct tree_niter_desc): Add control, bound and cmp fields.
12268 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12270 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12271 (tree-cfgcleanup.o): Add SCEV_H dependency.
12272 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12273 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12275 2006-02-14 Richard Guenther <rguenther@suse.de>
12277 PR tree-optimization/26258
12278 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12279 in PHI argument processing.
12281 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12283 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12284 new expression in the requested machine mode.
12286 2006-02-13 Roger Sayle <roger@eyesopen.com>
12288 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12289 directly, instead let do_compare_rtx_and_jump handle this for us.
12290 * expr.c (expand_expr_real_1): Likewise.
12291 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12292 before do_jump_by_parts_greater.
12293 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12294 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12296 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12298 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12300 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12302 PR rtl-optimization/26235
12303 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12304 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12307 2006-02-13 Jeff Law <law@redhat.com>
12309 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12312 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12314 PR middle-end/26092
12315 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12316 twice if decl is a builtin. When trying again, call get_callee_fndecl
12317 first to verify it is still a builtin.
12319 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12321 * dwarf2out.c (base_type_die): Don't add AT_name here.
12322 (subrange_type_die): Don't add AT_name here.
12323 (modified_type_die): Rearrange code flow. Do add AT_name here.
12325 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12327 PR rtl-optimization/26247
12328 PR rtl-optimization/26248
12329 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12331 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12333 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12334 * config/fixtfdi.c: Likewise.
12335 * config/fixunstfdi.c: Likewise.
12336 * config/floatditf.c: Likewise.
12338 2006-02-13 Roger Sayle <roger@eyesopen.com>
12340 PR middle-end/24427
12341 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12342 into (X,C2) if C1 is a subset of the bits of C2. Transform
12343 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12345 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12347 2006-02-13 Josh Conner <jconner@apple.com>
12350 * varasm.c (function_section): Check for section name before
12351 calling select_section on targets that define
12352 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12353 unlikely_text_section instead of hot_function_section if
12354 first_function_block_is_cold.
12356 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12358 PR middle-end/25335
12359 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12361 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12363 PR rtl-optimization/26222
12364 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12365 after tree->rtl expansion.
12366 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12367 before passing it to emit_move_insn.
12369 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12371 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12373 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12374 Clarify documentation.
12375 * c-common.h (warn_write_strings): Remove.
12376 * c-common.c (warn_write_strings): Likewise.
12377 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12380 2006-02-12 Roger Sayle <roger@eyesopen.com>
12382 PR middle-end/25724
12383 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12384 (do_jump_parts_zero_rtx): New function renamed from
12385 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12386 (do_jump_parts_equality_rtx): New function split out from
12387 do_jump_parts_equality. Old implementation renamed as above.
12388 Call do_jump_parts_zero_rtx if either operand is zero.
12389 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12390 do all of the heavy lifting.
12391 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12392 calling either do_jump_by_parts_greater_rtx or
12393 do_jump_by_parts_equality_rtx.
12394 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12395 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12396 moved to do_compare_rtx_and_jump, call it directly.
12397 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12398 mode argument. Call do_compare_rtx_and_jump.
12399 (emit_case_nodes): Update calls to do_jump_if_equal.
12401 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12403 PR rtl-optimization/26225
12404 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12406 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12408 PR rtl-optimization/26232
12409 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12411 2006-02-11 Jason Merrill <jason@redhat.com>
12414 * tree-inline.c (declare_return_variable): Just don't use the
12415 modify target if it's a gimple complex reg and the return slot
12418 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12420 * doc/contrib.texi: Update my entry.
12422 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12424 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12426 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12428 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12431 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12433 * doc/invoke.texi (-floop-optimize2): Removed.
12434 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12435 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12436 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12437 * common.opt (floop-optimize2): Removed.
12438 (fmove-loop-invariants): Enabled by default.
12440 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12442 * tree-if-conv.c (combine_blocks): Free the result of
12443 get_loop_exit_edges.
12445 2006-02-10 Jeff Law <law@redhat.com>
12447 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12449 PR tree-optimization/26213
12450 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12451 loop trying to follow SSA_NAME_VALUE chains.
12453 2006-02-10 Richard Guenther <rguenther@suse.de>
12455 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12456 deal with structures that end in implicitly variable sized arrays.
12458 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12460 PR rtl-optimization/24762
12461 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12464 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12466 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12467 (struct ivopts_data): Add regs_used field.
12468 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12469 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12470 instead of loop_data->regs_used;
12471 (free_loop_data): Do not free aux fields for loops.
12472 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12473 and tree_ssa_iv_optimize_finalize.
12475 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12477 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12479 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12482 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12483 computing the effective result type.
12485 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12487 PR inline-asm/16194
12488 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12489 (tree_overlaps_hard_reg_set): Declare.
12490 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12491 type and signature to match function type expected by walk_tree.
12492 (tree_overlaps_hard_reg_set): New function.
12493 (decl_conflicts_with_clobbers_p): Rename to:
12494 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12495 Use tree_overlaps_hard_reg_set. Changed caller.
12496 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12497 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12498 * cris.c (cris_md_asm_clobbers): Likewise.
12500 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12502 * reload1.c (emit_input_reload_insns): Delete code that tries to
12503 inherit using find_equiv_reg.
12505 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12507 * c-common.h (flag_const_strings): Don't declare.
12508 * c-common.c (flag_const_strings): Remove.
12509 * c.opt (fconst_strings): Remove.
12510 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12511 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12512 (c_common_init_options): Don't set flag_const_strings.
12513 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12515 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12517 * arm.md (tlobits_cbranch): New pattern.
12518 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12519 testing a single bit.
12521 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12524 * tree-ssa-pre.c (create_component_ref_by_pieces):
12525 Handle RETURN_DECL like VAR_DECL.
12527 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12529 PR middle-end/26134
12530 * fold-const.c (fold_indirect_ref_1): Fold
12531 "*(foo *)&complexfoo" to "__real__ complexfoo"
12532 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12534 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12536 * tree-flow-inline.h (var_can_have_subvars):
12537 Volatile variables should not have subvariables.
12539 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12542 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12543 multiplying unsigned values.
12546 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12548 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12550 2006-02-08 Jason Merrill <jason@redhat.com>
12553 * tree.def: Elaborate on difference from MODIFY_EXPR.
12554 * doc/c-tree.texi (INIT_EXPR): Likewise.
12555 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12556 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12557 (gimplify_target_expr): Likewise.
12558 (gimplify_cond_expr): Remove target handling.
12559 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12560 (gimplify_expr): Clobber it here.
12561 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12562 Do return slot optimization if we have an INIT_EXPR.
12565 * tree-inline.c (declare_return_variable): Also clear
12566 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12569 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12571 PR middle-end/22439
12572 * gimplify.c (gimplify_one_sizepos): Fix typo.
12574 2006-02-08 Jeff Law <law@redhat.com>
12576 PR tree-optimization/21417
12577 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12578 across a backedge if the control statement at the end of the
12579 block is data dependent on other statements in the same block.
12580 (record_temporary_equivalences_from_stmts): Remove over-conservative
12581 test for threading across backedges.
12583 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12584 control statement, handle all three special cases in the same
12585 manner as they all have the same desired solution. No longer
12586 special case edge flag updating when the post dominator is
12589 2006-02-08 Roger Sayle <roger@eyesopen.com>
12591 * tree.def (CHAR_TYPE): Remove.
12592 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12593 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12594 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12595 (gen_string_type_die): Delete unreachable function.
12597 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12598 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12599 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12600 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12601 * builtins.c (type_to_class): Likewise.
12602 * fold-const.c (fold_convert, build_range_check,
12603 merge_ranges): Likewise.
12604 * expr.c (count_type_elements): Likewise.
12605 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12606 * stor-layout.c (layout_type): Likewise.
12607 * ipa-type-escape.c (type_to_consider): Likewise.
12608 * gimplify.c (omp_firstprivatize_type_sizes,
12609 gimplify_type_sizes): Likewise.
12610 * explow.c (promote_mode): Likewise.
12611 * tree-sra.c (is_sra_scalar_type): Likewise.
12612 * varasm.c (output_constant): Likewise.
12613 * tree-inline.c (remap_type_1): Likewise.
12614 * convert.c (convert_to_pointer, convert_to_real,
12615 convert_to_integer, convert_to_complex): Likewise.
12617 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12619 * df-scan.c (df_def_record_1): A set destination may
12620 be a parallel regardless of mode.
12622 2006-02-08 Roger Sayle <roger@eyesopen.com>
12625 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12626 * config/mips/_tilib.c: Remove.
12627 * config/fixtfdi.c: New libgcc source file.
12628 * config/fixunstfdi.c: New source file.
12629 * config/floatditf.c: New source file.
12630 * config/floatunditf.c: New souce file.
12631 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12632 files above instead of config/mips/_tilib.c.
12633 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12635 2006-02-08 Jeff Law <law@redhat.com>
12637 PR tree-optimization/26169
12638 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12641 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12643 * df.h (DF_REG_SIZE): Return the length of the initialized
12646 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12648 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12649 __muldf3): Return a correctly signed zero.
12651 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12653 * passes.c (register_one_dump_file): Accept the current properties
12654 instead of pass number. Adjust call to dump_register. Remove
12656 (register_dump_files): Now a wrapper around...
12657 (register_dump_files_1): ... this one. Do not modify the pass
12659 (next_pass_1): Cosmetic fix.
12660 (execute_todo): Keep second parameter only. Use curr_properties
12661 instead of fetching it from the pass structure. Check and set
12663 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12664 instead of fetching it from the pass structure. Fix calls to
12665 execute_todo. Update curr_properties and initialize .vcg RTL dump
12666 after running the pass. Reset last_verified.
12667 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12669 (FIRST_AUTO_NUMBERED_DUMP): New.
12670 (dump_register): Remove "num" parameter, assign it within the
12672 (get_dump_file_name): Modify template for dumps.
12673 * tree-dump.h (dump_register): Adjust prototype.
12674 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12675 (PROP_trees): Add PROP_gimple_lomp.
12676 (TODO_set_props): New.
12677 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12678 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12679 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12681 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12683 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12684 (sparc64-*-linux*): Likewise.
12685 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12686 * config/sparc/t-linux: New file.
12687 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12688 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12689 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12690 -m32 -mlong-double-128.
12692 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12693 * config/alpha/t-linux: New file.
12694 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12696 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12697 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12698 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12699 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12700 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12701 (CPP_ARCH32_SPEC): Remove.
12703 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12705 PR tree-optimization/26145
12706 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12709 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12712 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12713 >= 240000 when generating code for SOM runtime.
12714 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12715 to $$dyncall when generating code for SOM runtime..
12717 2006-02-07 Dirk Mueller <dmueller@suse.com>
12720 * doc/invoke.texi (-Wsequence-point): Update documentation
12721 that -Wsequence-point is implemented for C++ as well.
12723 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12725 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12726 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12727 (LIB_SPEC): Likewise.
12728 * doc/invoke.texi (SPARC options): Document -pthread.
12730 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12732 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12735 2006-02-07 Roger Sayle <roger@eyesopen.com>
12737 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12738 Correct comment describing BOOLEAN_TYPE.
12740 2006-02-07 Dirk Mueller <dmueller@suse.com>
12742 * c.opt: C++ frontend supports -Wdiv-by-zero.
12743 * c-opts.c (c_common_handle_option): Remove dead case.
12745 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12747 * configure.ac (TLS assembler check): Do not enable TLS by
12748 default on SPARC/Solaris before version 10.
12749 * configure: Regenerate.
12751 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12753 * doc/invoke.texi (xl-compat): Document conversion and support
12756 2006-02-07 Jeff Law <law@redhat.com>
12758 * tree-vrp.c (find_conditional_asserts): Update comments.
12759 (simplify_stmt_for_jump_threading): New.
12760 (identify_jump_threads, finalize_jump_threads): New.
12761 (vrp_finalize): Call identify_jump_threads.
12762 (execute_vrp): Call finalize_jump_threads.
12763 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12764 (vrp_element, vrp_data, vrp_element_p): Remove.
12765 (vrp_hash_elt, vrp_variables_stack): Remove.
12766 (vrp_hash, vrp_eq, record_range): Remove.
12767 (simplify_cond_and_lookup_avail_expr): Remove.
12768 (extract_range_from_cond): Remove.
12769 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12770 (simplify_stmt_for_jump_threading): New.
12771 (dom_thread_across_edge): New wrapper.
12772 (tree_ssa_dominator_optimize): No longer initialize or
12773 finalize any of the VRP datastructures. Remove iteration
12774 step and simplify as a result of removal of iteration step.
12775 (pass_dominator): Perform a cfg cleanup after DOM.
12776 (dom_opt_finalize_block): Use the new common routines
12777 for threading jumps. Simplify stack management slightly.
12778 No longer need to unwind VRP state.
12779 (record_equivalences_from_incoming_edge): No longer record
12781 (eliminate_redundant_computations): No longer call
12782 simplify_cond_and_lookup_avail_expr.
12783 * tree-flow.h (potentially_threadable_block): Prototype.
12784 (thread_across_edge): Likewise.
12785 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12786 (tree-ssa-threadedge.o): Add dependencies.
12787 * tree-ssa-threadedge.c: New file.
12788 * passes.c (init_optimization_passes): Merge PHIs before
12789 calling VRP. Run VRP again late in the SSA optimization pipeline.
12791 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12793 * df-core.c (df_set_blocks): Do not dereference function pointers.
12794 (df_finish1): Likewise.
12795 (df_hybrid_search_forward): Likewise.
12796 (df_hybrid_search_backward): Likewise.
12797 (df_iterative_dataflow): Likewise.
12798 (df_analyze_problem): Likewise.
12799 (df_compact_blocks): Likewise.
12800 (df_dump): Likewise.
12801 * df-scan.c (df_rescan_blocks): Likewise.
12802 (df_record_entry_block_defs): Likewise.
12804 * genconditions.c (write_conditions): Guard the definition of
12805 'insn_conditions' with the check on GCC version.
12806 (write_writer): Guard the traversal 'insn_conditions' with
12807 the check on GCC version.
12809 2006-02-07 Richard Guenther <rguenther@suse.de>
12813 2006-01-30 Richard Guenther <rguenther@suse.de>
12815 * gimplify.c (gimplify_target_expr): Handle easy cases
12816 without creating a temporary.
12818 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12820 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12821 use of float in probability computations. Use edge probabilities
12822 in place of statically computed probabilities.
12823 (min_spec_prob): New static variable.
12824 (schedule_insns): Initialize it.
12825 (GET_SRC_PROB): Removed.
12826 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12828 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12831 * config/ia64/unwind-ia64.c: Revert last change.
12832 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12833 (INCOMING_FRAME_SP_OFFSET): Define.
12835 2006-02-06 Roger Sayle <roger@eyesopen.com>
12837 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12839 2006-02-07 Ben Elliston <bje@au.ibm.com>
12841 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12842 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12843 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12844 (ix86_return_in_memory): Handle TDmode.
12845 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12846 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12848 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12850 * reorg.c (dbr_schedule): Use dump_file instead of file.
12852 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12855 * config/ia64/predicates.md (extr_len_operand): New predicate.
12856 * config/ia64/ia64.md (extv): Tighten constraints.
12858 (*tbit_and_2): Ditto.
12859 (*tbit_and_3): Ditto.
12860 (*tbit_or_2): Ditto.
12861 (*tbit_or_3): Ditto.
12862 (*bit_zero): Ditto.
12865 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12868 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12870 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12872 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12873 loop_optimizer_init and loop_optimizer_finalize
12874 * tree-ssa-sink.c (execute_sink_code): Ditto.
12875 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12876 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12877 tree_ssa_loop_done): Ditto.
12878 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12879 * sched-ebb.c: Include output.h.
12880 (schedule_ebbs): Do not use dump argument.
12881 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12882 * loop.c (loop_dump_stream): Removed.
12883 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12885 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12886 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12887 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12888 loop_iterations, strength_reduce, record_biv, record_giv,
12889 final_giv_value, check_final_value, check_ext_dependent_givs,
12890 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12891 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12892 dump_file instead of loop_dump_stream.
12893 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12894 argument dump_file.
12895 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12897 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12898 * haifa-sched.c: Include output.h
12899 (schedule_insns, sched_init): Do not use dump argument.
12900 * mode-switching.c (optimize_mode_switching): Ditto.
12901 * modulo-sched.c (stats_file): Removed.
12902 (print_node_sched_params): Do not call argument dump_file.
12903 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12904 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12906 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12908 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12909 rtl_loop_init, rtl_loop_done): Ditto.
12910 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12911 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12913 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12914 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12915 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12916 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12917 * emit-rtl.c (renumber_insns): Ditto.
12918 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12919 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12920 * regclass.c (regclass): Ditto.
12921 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12922 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12923 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12924 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12926 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12927 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12929 * gcse.c (gcse_file, debug_stderr): Removed.
12930 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12931 rest_of_handle_gcse): Do not use dump argument.
12932 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12933 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12934 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12935 compute_code_hoist_vbeinout, compute_code_hoist_data,
12936 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12937 compute_store_table, build_store_vectors, insert_insn_start_bb,
12938 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12939 store_motion): Use dump_file instead of gcse_file.
12940 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12941 * profile.c (profile_dump_file): Removed.
12942 (branch_prob): Use dump_file instead of profile_dump_file.
12943 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12945 * tree-ssa-copy.c (dump_copy_of): Ditto.
12946 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12947 dump file to life_analysis.
12948 * bt-load.c (branch_target_load_optimize): Ditto.
12949 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12951 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12952 regclass, dbr_schedule): Declaration changed.
12953 * sched-int.h (sched_init): Declaration changed.
12954 * tree-profile.c (tree_profile_dump_file): Removed.
12955 (tree_profile_hooks): Removed profile_dump_file hook.
12956 * rtl-profile (rtl_profile_dump_file): Removed.
12957 (rtl_profile_hooks): emoved profile_dump_file hook.
12958 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12960 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12961 * tree-cfg.c (build_tree_cfg): Ditto.
12962 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12963 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12964 Declaration changed.
12965 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12966 life_analysis and schedule_insns.
12967 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12969 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12971 * config/mips/mips.c (mips_reorg): Ditto.
12972 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12975 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12977 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12978 (s390_mangle_fundamental_type): New.
12979 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12982 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12983 (alpha_mangle_fundamental_type): New.
12984 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12987 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12989 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12991 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12992 (sparc_mangle_fundamental_type): New.
12994 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12996 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12997 (s390x-*-linux*): Likewise.
12998 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12999 * config/s390/t-linux: New file.
13001 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13003 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13004 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13006 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13008 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13009 (ANTIC_SAFE_LOADS): New macro.
13010 (find_or_generate_expression): Add prototype.
13011 (set_contains_value): Allow null set for sake of not always having
13012 to allocate ANTIC_SAFE_LOADS.
13013 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13014 Allow COMPONENT_REF too.
13015 (valid_in_set): Allow COMPONENT_REF.
13016 Check ANTIC_SAFE_LOADS too.
13017 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13018 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13020 (can_PRE_operation): Add COMPONENT_REF.
13021 (create_component_ref_by_pieces): New function.
13022 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13023 (insert_aux): Move AGGREGATE_TYPE_P check here.
13024 (compute_avail): Set bb local stmt uids.
13025 (pass_pre): Use TODO_update_ssa_only_virtuals.
13027 2006-02-06 Ben Elliston <bje@au.ibm.com>
13029 * configure.ac: Unconditionally disable decimal float by default.
13030 * configure: Regenerate.
13032 2006-02-06 Ben Elliston <bje@au.ibm.com>
13034 * read-rtl.c (read_name): Terminate reading on EOF.
13036 2006-02-06 Ben Elliston <bje@au.ibm.com>
13038 * dfp.c (decimal_real_arithmetic): Change second argument type
13039 from int to enum tree_code. Do not always return true, but now
13040 return result of any call to decimal_do helper functions.
13041 * dfp.h (decimal_real_arithmetic): Update prototype.
13043 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13045 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13047 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13050 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13053 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13055 * tree-vrp.c (cfg_loops): Removed.
13056 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13057 Use current_loops instead of cfg_loops. Pass flags to
13058 loop_optimizer_init.
13059 * cfgloopmanip.c (fix_loop_structure): Update only available
13061 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13062 loop_optimizer_init.
13063 * modulo-sched.c (build_loops_structure): Removed.
13064 (sms_schedule): Use loop_optimizer_init.
13065 * loop-init.c (loop_optimizer_init): Use flags to determine
13066 which properties of loops to prepare.
13067 (rtl_loop_init): Pass flags to loop_optimizer_init.
13068 * tree-ssa-sink.c (execute_sink_code): Ditto.
13069 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13070 * tree-ssa-pre.c (init_pre): Ditto.
13071 * cfgloop.h (LOOPS_NORMAL): New.
13072 (loop_optimizer_init): Declaration changed.
13074 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13076 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13077 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13079 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13081 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13083 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13084 * pa/t-pa64: Delete quadlib.c rule.
13085 * pa/x-ada: Revert last change.
13086 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13088 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13090 PR rtl-optimization/26087
13091 * rtlanal.c (canonicalize_condition): Do not cross basic block
13094 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13097 * config/ia64/ia64.c: Include debug.h.
13098 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13099 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13100 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13101 (process_epilogue, process_set, process_for_unwind_directive):
13102 Output unwind info only if requested. Add CFA info if requested.
13103 Add new arguments as needed. Adjust callers.
13104 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13106 (DWARF2_FRAME_INFO): Define to zero.
13107 * config/ia64/unwind-ia64.c: Remove code that compensated for
13108 the CFA offset error fixed above.
13109 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13110 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13111 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13112 -funwind-tables and -fexceptions to enable frame info.
13113 (dwarf2out_frame_init): Define initial CFA even if
13114 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13115 DWARF2_UNWIND_INFO is nonzero, not just defined.
13116 (dwarf2out_frame_finish): Output non-EH call frame info only
13117 if DWARF2_FRAME_INFO is nonzero.
13118 (convert_cfa_to_loc_list,
13119 compute_frame_pointer_to_cfa_displacement): Define even if
13120 unwind info is not supported.
13121 (gen_subprogram_die): Use the above unconditionally. Remove
13122 legacy alternate code.
13123 * toplev.c (compile_file): Compile in call to
13124 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13125 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13127 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13128 Jakub Jelinek <jakub@redhat.com>
13130 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13131 IBM extended float format long double as "g" on powerpc*-linux.
13133 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13136 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13137 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13139 2006-02-03 Jason Merrill <jason@redhat.com>
13142 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13144 PR middle-end/25977
13145 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13146 on the return slot if it's an NRV.
13148 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13150 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13151 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13152 rewrite_use): Do not handle USE_OUTER.
13153 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13154 add_iv_outer_candidates, may_replace_final_value,
13155 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13156 (find_interesting_uses_op): Functionality of
13157 find_interesting_uses_outer_or_nonlin moved here.
13158 (find_interesting_uses_outside): Use find_interesting_uses_op.
13160 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13163 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13165 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13166 Ulrich Weigand <uweigand@de.ibm.com>
13169 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13170 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13171 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13172 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13174 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13175 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13176 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13177 Define secondary reloads for TFmode moves.
13178 (constant_modes): Add TFmode.
13179 (NR_C_MODES): Set to 8.
13180 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13182 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13183 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13184 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13185 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13186 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13187 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13188 (FPR mode macro): Add TFmode.
13189 (DSF mode macro): New.
13190 (<de>, <dee> mode attributes): Removed.
13191 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13192 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13193 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13194 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13195 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13196 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13197 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13198 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13199 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13200 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13201 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13202 "*negabs<mode>2", "sqrt<mode>2"):
13203 Changed <de> to <xde>. R constraint replaced by <Rf>.
13204 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13206 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13207 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13208 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13210 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13211 "extenddftf2", "extendsftf2"): New expanders.
13212 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13213 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13214 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13215 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13217 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13218 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13219 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13220 __floatditf): Add a GCC_4.1.0 symbol version tag.
13221 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13224 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13227 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13228 Use targetm.binds_local_p instead of TREE_PUBLIC.
13230 2006-02-02 Roger Sayle <roger@eyesopen.com>
13232 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13233 on INTEGER_TYPEs to indicate that it denotes a character type.
13234 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13235 signed_char_type_node, unsigned_char_type_node and char_type_node.
13236 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13237 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13238 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13240 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13241 Daniel Berlin <dberlin@dberlin.org>
13243 * tree-tailcall.c (arg_needs_copy_p): New function.
13244 (eliminate_tail_call): Use arg_needs_copy_p.
13245 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13246 (add_virtual_phis): New function.
13248 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13250 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13251 #ignore instead of #scratch for %g7 .register directive.
13253 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13255 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13258 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13260 * flow.c (calculate_global_regs_live): Assert that there aren't any
13263 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13265 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13266 what its name says.
13267 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13268 bsi_after_labels iterator.
13269 * tree-if-conv.c (find_phi_replacement_condition,
13270 replace_phi_with_cond_modify_expr): Likewise.
13271 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13272 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13274 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13276 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13278 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13281 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13282 array after growing it.
13284 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13286 PR middle-end/24901
13287 * fold-const.c (fold_checksum_tree): Change type of buf.
13289 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13291 * reload.c (push_secondary_reload): Initialize t_icode.
13293 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13295 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13296 -msoft-float -mlong-double-128 only issue a warning, but don't
13297 swich to DFmode long double.
13299 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13301 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13302 has a constant equivalent, iterate over equivalents for arg0,
13303 calling simplify_relational_operation and if there's a result
13304 cheaper than X, apply fold_rtx and return the result.
13306 2006-02-01 Jan Hubicka <jh@suse.cz>
13308 * opts.c (no_unit_at_a_time_default): New global variable.
13309 (decode_options): Use it.
13310 * opts.h (no_unit_at_a_time_default): Declare.
13312 2006-02-01 Paul Brook <paul@codesourcery.com>
13314 * function.c (assign_parm_setup_reg): Use function argument promotion
13316 * expr.c (expand_expr_real_1): Use function argument promotion rules
13319 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13321 * gcc.c (process_command): Change j to 'unsigned int'.
13323 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13325 PR middle-end/26001
13326 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13327 Use the corrected index for the character
13328 out of the string constant.
13330 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13332 * mode-switching.c (optimize_mode_switching): Fix size
13333 allocated for bb_info[n_entities].
13335 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13337 * gcc.c (main): Correct type that is allocated for
13338 explicit_link_files.
13340 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13342 * config/s390/s390.c (init_alignment_context): Set
13343 ALIAS_SET_MEMORY_BARRIER on the MEM.
13344 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13346 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13348 PR middle-end/25933
13349 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13351 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13354 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13356 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13357 * regrename.c: Ditto.
13358 * tree-ssa-loop-im.c: Ditto.
13359 * tree-dump.c: Ditto.
13360 * tree-complex.c: Ditto.
13361 * genrecog.c: Ditto.
13362 * tree-ssa-threadupdate.c: Ditto.
13364 * java/class.c: Ditto.
13365 * java/jcf-parse.c: Ditto.
13366 * java/resource.c: Ditto.
13367 * java/except.c: Ditto.
13368 * java/jvspec.c: Ditto.
13369 * java/jcf-write.c: Ditto.
13370 * java/jcf-path.c: Ditto.
13371 * java/gjavah.c: Ditto.
13372 * java/zextract.c: Ditto.
13373 * java/jcf-io.c: Ditto.
13374 * java/jcf.h: Ditto.
13375 * java/buffer.c: Ditto.
13376 * java/lang.c: Ditto.
13377 * java/parse-scan.y: Ditto.
13378 * java/lex.c: Ditto.
13379 * java/lex.h: Ditto.
13380 * cfgloopmanip.c: Ditto.
13381 * postreload-gcse.c: Ditto.
13382 * tree-ssa-loop-manip.c: Ditto.
13383 * postreload.c: Ditto.
13384 * tree-ssa-loop-ch.c: Ditto.
13387 * cppspec.c: Ditto.
13388 * diagnostic.c: Ditto.
13390 * genoutput.c: Ditto.
13392 * cfghooks.c: Ditto.
13393 * cfgloopanal.c: Ditto.
13394 * objc/objc-act.c: Ditto.
13396 * genextract.c: Ditto.
13397 * genautomata.c: Ditto.
13398 * pretty-print.c: Ditto.
13399 * genemit.c: Ditto.
13400 * cgraphunit.c: Ditto.
13402 * df-scan.c: Ditto.
13403 * haifa-sched.c: Ditto.
13404 * dominance.c: Ditto.
13406 * tree-ssa-loop-ivopts.c: Ditto.
13407 * df-core.c: Ditto.
13408 * mode-switching.c: Ditto.
13409 * modulo-sched.c: Ditto.
13411 * ipa-pure-const.c: Ditto.
13413 * fix-header.c: Ditto.
13415 * tree-stdarg.c: Ditto.
13416 * ipa-utils.c: Ditto.
13417 * loop-init.c: Ditto.
13418 * ipa-inline.c: Ditto.
13419 * cfganal.c: Ditto.
13421 * alloc-pool.c: Ditto.
13422 * dwarf2out.c: Ditto.
13424 * genattrtab.c: Ditto.
13425 * tree-ssa-loop-ivcanon.c: Ditto.
13426 * predict.c: Ditto.
13427 * timevar.c: Ditto.
13429 * fortran/gfortranspec.c: Ditto.
13430 * regmove.c: Ditto.
13431 * local-alloc.c: Ditto.
13432 * langhooks.c: Ditto.
13433 * function.c: Ditto.
13434 * tree-vectorizer.c: Ditto.
13436 * ipa-type-escape.c: Ditto.
13438 * tree-if-conv.c: Ditto.
13439 * profile.c: Ditto.
13441 * tree-data-ref.c: Ditto.
13442 * loop-unroll.c: Ditto.
13443 * treelang/treetree.c: Ditto.
13445 * bt-load.c: Ditto.
13446 * ggc-common.c: Ditto.
13448 * coverage.c: Ditto.
13450 * tree-cfgcleanup.c: Ditto.
13451 * tree-ssa-pre.c: Ditto.
13452 * cfgcleanup.c: Ditto.
13453 * loop-invariant.c: Ditto.
13454 * loop-iv.c: Ditto.
13455 * ipa-prop.c: Ditto.
13456 * print-tree.c: Ditto.
13457 * conflict.c: Ditto.
13458 * ggc-page.c: Ditto.
13459 * sched-deps.c: Ditto.
13460 * regclass.c: Ditto.
13461 * tree-object-size.c: Ditto.
13462 * combine.c: Ditto.
13463 * bb-reorder.c: Ditto.
13464 * resource.c: Ditto.
13465 * var-tracking.c: Ditto.
13466 * cfgloop.c: Ditto.
13467 * df-problems.c: Ditto.
13468 * reg-stack.c: Ditto.
13470 * gccspec.c: Ditto.
13471 * sched-rgn.c: Ditto.
13472 * tree-ssa-structalias.c: Ditto.
13473 * tree-ssa-reassoc.c: Ditto.
13474 * config/darwin-c.c: Ditto.
13475 * config/darwin.c: Ditto.
13476 * config/arm/arm.c: Ditto.
13478 * collect2.c: Ditto.
13479 * reload1.c: Ditto.
13481 2006-01-31 Nicolas Pitre <nico@cam.org>
13483 * arm.md (smaxsi3): Make aware of smax_m1.
13486 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13488 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13490 2006-01-31 Richard Guenther <rguenther@suse.de>
13492 * doc/invoke.texi (-msselibm): Document.
13493 * target.h (expand_library_builtin): New target hook.
13494 * builtins.c (expand_builtin): Use expand_library_builtin.
13495 (default_expand_library_builtin): New function.
13496 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13497 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13498 (link_gcc_math_spec): Declare.
13499 (static_specs): Add link_gcc_math_spec.
13500 * expr.h (default_expand_library_builtin): Declare.
13501 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13502 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13503 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13504 * config/i386/i386.opt (msselibm): New target option.
13505 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13506 (ix86_init_sse_abi_builtins): New function.
13507 (ix86_expand_library_builtin): Likewise.
13508 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13509 (override_options): Handle error conditions wrt -msselibm.
13510 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13511 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13512 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13515 2006-01-31 Richard Guenther <rguenther@suse.de>
13516 Paolo Bonzini <bonzini@gnu.org>
13518 * doc/install.texi (--disable-libgcc-math): Document.
13520 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13522 * expr.h (expand_normal): new inline function.
13523 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13524 * dojump.c: use it.
13525 * dwarf2out.c: use it.
13528 * expmed.c: use it.
13529 * except.c: use it.
13530 * config/sparc/sparc.c: use it.
13531 * config/i386/i386.c: use it.
13532 * config/rs6000/rs6000.c: use it.
13533 * config/arm/arm.c: use it.
13534 * config/mips/mips.c: use it.
13535 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13537 2006-01-30 Roger Sayle <roger@eyesopen.com>
13539 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13540 argv to the appropriate type.
13542 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13544 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13547 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13550 * config/s390/s390.c (struct machine_function): New flag
13551 decomposed_literal_pool_addresses_ok_p.
13552 (s390_reorg): Set it before final stage of literal pool transforms.
13553 (s390_decompose_address): Only accept displacements of the form
13554 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13556 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13558 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13559 the comparison routine return.
13561 2006-01-30 Michael Matz <matz@suse.de>
13563 * global.c (find_reg): Only evict for global regs.
13564 Take n_refs into account and dump more info.
13566 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13569 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13570 (pragma_trap, pragma_nosave_low_regs): Likewise.
13571 (current_function_anonymous_args): Likewise.
13572 (sh_deferred_function_attributes): New variable.
13573 (sh_deferred_function_attributes_tail): Likewise.
13574 (print_operand): For '@', look up trap_exit attribute.
13575 (calc_live_regs): Look up trapa_handler attribute. For trapa
13576 handlers, save/restore fpscr, but don't do any other
13577 interrupt-specific saves.
13578 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13579 Fix check for partially saved registers to check for SHmedia.
13580 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13581 (sh_output_function_epilogue): Don't clear any of the removed
13583 (sh_insert_attributes): Don't check pragma_interrupt.
13584 Insert deferred attributes. Check that interrupt attribute is
13585 present for other attributes that require its presence.
13586 (sh_attribute_table): Add new attributes trapa_handler and
13588 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13589 Don't check for pragma_interrupt. Don't store argument.
13590 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13591 (sh_deferred_function_attributes): Declare.
13592 (sh_deferred_function_attributes_tail): Likewise.
13593 * sh.md (sp_switch_1): Add operand. Change generator caller.
13594 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13595 (*return_i): Don't use when trap_exit attribute is in effect.
13596 (*return_trapa): New insn pattern.
13597 * sh-c.c: New file.
13598 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13599 setting c_target_objs and cxx_target_objs.
13600 * t-sh: Add rule for sh-c.o.
13602 2006-01-30 Richard Guenther <rguenther@suse.de>
13605 * gimplify.c (gimplify_target_expr): Handle easy cases
13606 without creating a temporary.
13608 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13610 * vec.h (safe_grow): Remove duplicated line.
13612 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13615 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13616 (expand_omp): ... here.
13617 (expand_omp_parallel): Only remove barriers for combined
13618 parallel+workshare constructs.
13620 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13624 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13625 * tree.c (build_qualified_type): Chain the new type to the original
13626 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13627 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13628 (build_pointer_type_for_mode): Only return unqualified types.
13629 (build_reference_type_for_mode): Likewise.
13631 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13633 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13634 * Makefile.in (CXX_COMPAT_WARN): Define.
13635 * configure: Regenerate.
13637 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13640 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13643 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13645 * toplev.c: Fix thinko.
13647 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13648 Marcin Dalecki <martin@dalecki.de>
13650 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13651 (push_srcloc): Use XNEW.
13652 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13654 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13656 * df-core.c (df_set_blocks): Deleted all variable.
13658 2006-01-28 Ian Lance Taylor <ian@airs.com>
13660 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13661 cgraph_output_pending_asms.
13663 2006-01-28 Zack Weinberg <zackw@panix.com>
13665 * c.opt: Add -W(no-)overlength-strings.
13666 * doc/invoke.texi: Document it.
13667 * c-opts.c (c_common_handle_option): -pedantic implies
13668 -Woverlength-strings, if not explicitly disabled already.
13669 (c_common_post_options): -Woverlength-strings defaults to off, and
13670 is always off for C++.
13671 * c-common.c (fix_string_type): Issue warning about strings longer
13672 than is portable only if warn_overlength_strings. Rearrange code
13673 a little for clarity.
13674 * configure.in: Check for -Wno-overlength-strings as well before
13675 enabling -pedantic in stage 1.
13676 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13677 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13679 * genconditions.c (write_header, write_one_condition)
13680 (write_conditions, write_writer): Consolidate very long strings
13681 that were broken up to fit in C89 portable limit. Don't use
13682 printf when fputs will do.
13684 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13686 * combine.c (simplify_comparison <AND>): Check
13687 TRULY_NOOP_TRUNCATION before start using a subreg.
13689 * config/mips/mips.md (*branch_zero<mode>,
13690 *branch_zero<mode>_inverted, *branch_equality<mode>,
13691 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13692 Remove mode check from comparisons.
13694 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13696 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13698 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13700 * expmed.c (const_mult_add_overflow_p): Remove.
13701 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13703 * recog.c (validate_replace_rtx_subexp): Remove.
13704 * recog.h: Remove the prototype for
13705 validate_replace_rtx_subexp.
13707 * integrate.h: Remove the prototype for
13708 copy_decl_for_inlining.
13709 * rtl.h: Remove the prototype for mark_constant_function.
13710 * tree-vectorizer.h: Remove the prototype for
13711 vect_strip_conversion.
13713 * modulo-sched.c (create_partial_schedule,
13714 free_partial_schedule, reset_partial_schedule): Make them
13717 * hooks.c (hook_bool_rtx_int_false): Remove.
13718 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13720 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13722 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13723 and -mlong-double-128 are incompatible.
13724 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13725 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13726 (TARGET_LIBGCC2_CFLAGS): Define.
13727 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13728 (TARGET_LIBGCC2_CFLAGS): Same.
13729 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13731 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13734 * c-typeck.c (build_binary_op): Perform implicit casts of
13735 operands before shortening them.
13737 * cfgloopmanip.c (split_loop_bb): Remove.
13738 * cfgloop.h: Remove the prototype for split_loop_bb.
13740 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13741 * cfgloop.h: Remove the prototype for
13742 flow_loop_outside_edge_p.
13744 * emit-rtl.c (init_virtual_regs): Make it static.
13745 * function.h: Remove the prototype for init_virtual_regs.
13747 * recog.c (peephole2_optimize): Make it static.
13748 * recog.h: Remove the prototype for peephole2_optimize.
13750 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13752 * df-scan.c (df_record_entry_block_defs): Check if
13753 INCOMING_RETURN_ADDR_RTX is defined.
13755 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13756 Kenneth Zadeck <zadeck@naturalbridge.com>
13758 PR rtl-optimization/24762
13759 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13760 * targhooks.c (hook_void_bitmap): New hook prototype.
13761 * targhoohs.h (hook_void_bitmap): Ditto.
13762 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13763 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13764 * target.h (live_on_entry): New function pointer.
13765 * df-scan.c (df_all_hard_regs): Removed.
13766 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13767 (df_scan_free_internal): Added df->entry_block_defs.
13768 (df_scan_alloc): Ditto.
13769 (df_scan_dump): Ditto.
13770 (df_uses_record): Plumbed flag field properly thru calls.
13771 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13772 This part fixes PR24762.
13773 (df_bb_refs_record): Added code to make the frame and arg
13774 pointers live in EH blocks.
13775 (df_refs_record): Added call to df_record_entry_block_defs.
13776 (df_record_entry_block_defs): New function.
13777 * df-core.c: Added comments to describe new artifical defs.
13778 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13779 (entry_block_defs): New field in struct df.
13780 (df_all_hard_regs): Deleted.
13781 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13782 * df-problems.c (df_ru_bb_local_compute_process_def):
13783 Added code to handle artifical defs in the entry to a function.
13784 (df_ru_bb_local_compute): Ditto.
13785 (df_rd_bb_local_compute_process_def): Ditto.
13786 (df_rd_bb_local_compute): Ditto.
13787 (df_lr_bb_local_compute): Ditto.
13788 (df_ur_bb_local_compute): Ditto.
13789 (df_urec_bb_local_compute): Ditto.
13790 (df_chain_create_bb): Ditto.
13791 (df_ur_local_finalize): Removed entry.
13792 (df_urec_init): Ditto.
13793 (df_urec_local_finalize): Ditto.
13794 (df_ri_bb_compute): Added detection of last use of pseudos.
13795 * Makefile.in (df-scan.o): Updated dependencies.
13796 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13797 * config/mips/mips.c (mips_set_live_on_entry): Added.
13798 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13800 * dce.c (marked_insn_p): Added code to handle artifical defs.
13802 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13804 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13806 (_mm_cvtsi128_si64): Likewise.
13807 (_mm_cvtsd_si64): Likewise.
13808 (_mm_cvttsd_si64): Likewise.
13809 (_mm_cvtsi64_sd): Likewise.
13810 (_mm_cvtsi64_si128): Likewise.
13811 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13812 (_mm_cvtsi64_m64): Likewise.
13813 (_m_to_int64): Likewise.
13814 (_mm_cvtm64_si64): Likewise.
13815 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13816 (_mm_cvttss_si64): Likewise.
13817 (_mm_cvtsi64_ss): Likewise.
13818 (_mm_cvtss_f32): Likewise.
13820 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13822 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13823 for pragma redefine_extname.
13825 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13828 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13829 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13830 -mno-minimal-toc to previous content.
13831 (bispecs): Remove goal.
13832 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13833 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13834 compatibility aliases on powerpc-*-*gnu*.
13835 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13836 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13837 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13838 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13839 (ldblspecs): New goal.
13840 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13841 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13843 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13844 L_sf_to_tf or L_df_to_tf is defined.
13846 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13847 Alan Modra <amodra@bigpond.net.au>
13850 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13851 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13852 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13853 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13854 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13855 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13856 (rs6000_override_options): Initialize rs6000_ieeequad.
13857 Initialize TFmode format to ibm_extended_format if not
13859 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13861 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13862 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13863 (function_arg_advance): IBM long double passed in two FPRs, not
13865 (function_arg): IBM long double passed in FPRs.
13866 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13867 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13868 Only multireg GPR aligned.
13869 (rs6000_init_libfuncs): Enable IBM long double functions if not
13871 (rs6000_generate_compare): Use IBM long double compare if not
13873 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13874 (TARGET_IEEEQUAD): Define.
13875 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13876 not TARGET_IEEEQUAD.
13877 * config/rs6000/rs6000.md: Enable TFmode patterns if
13879 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13880 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13881 and -mlong-double-128 are incompatible.
13882 * doc/invoke.texi (-mabi): Collect options together. Add
13883 ibmlongdouble and ieeelongdouble.
13885 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13887 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13889 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13890 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13891 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13892 * rtl.h (rtunion_def): Remove rt_ptr.
13894 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13895 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13896 * config/i386/winnt.c (i386_pe_mark_dllexport)
13897 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13899 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13901 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13903 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13907 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13908 pthread_key_delete. From John David Anglin. gthrw-ify
13909 pthread_getunique_np only if it it's not a macro. Delete
13911 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13912 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13913 __gthread_objc_condition_signal, __gthread_key_delete): Add
13914 "__attribute__ ((__unused__))" to unused arguments.
13915 (__gthread_recursive_mutex_init_function): Add missing return.
13916 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13917 gthr-posix95.h: Use macro-based approach for name redirection
13918 on targets missing weakref.
13920 2006-01-26 Zack Weinberg <zackw@panix.com>
13922 * genconditions.c (write_header): In generated code, #ifdef out
13923 all includes and fake declarations, except includes of bconfig.h
13924 and system.h, unless GCC_VERSION >= 3001. Do not include
13925 gensupport.h in any case.
13926 (write_conditions): Generate a definition of struct c_test. Add
13927 a comment to the generated #endif.
13928 (write_one_condition): Escape backslashes in string too.
13929 (write_writer): Generated code must escape backslashes and quote
13930 marks (but not newlines) in the strings it writes.
13931 * Makefile.in (build/gencondmd.o): Update dependencies.
13933 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13936 * Makefile.in (insn-automata.o): Add header file dependencies.
13937 * genautomata.c: Add includes.
13939 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13942 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13944 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13946 * configure.ac: Expect target tools paths to be passed from the toplevel
13947 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13949 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13951 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13954 * c.opt (Wpointer-sign): Init to -1.
13955 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13956 OPT_pedantic, to 0 otherwise.
13957 * doc/invoke.texi: Update.
13959 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13961 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13962 constants provided by 80387 instructions in the destination mode.
13964 2006-01-26 Richard Guenther <rguenther@suse.de>
13965 Andrew Pinski <pinskia@physics.uc.edu>
13968 partial PR tree-opt/17064
13969 * tree-ssa-structalias.c (intra_create_variable_infos):
13970 Create heap variables for incoming parameters if
13971 flag_argument_noalias > 1.
13972 (find_what_p_points_to): Look through default defs of
13975 2006-01-26 Jeff Law <law@redhat.com>
13978 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13979 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13980 within the VR_RANGE, use the VR_RANGE as the result, not the
13982 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13983 bounds for the type.
13985 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13987 * tree-ssa-alias.c (maybe_create_global_var): Change
13988 subvar walking to an assertion that we don't have subvar'd variables.
13990 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13993 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13994 Use a new variable, inner. PARM_DECLs are always non-weak.
13996 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13998 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13999 --disable-checking.
14001 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14003 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14005 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14007 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14008 (smax_insn, smin_insn, smax_0, smin_0): New.
14010 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14013 * config/cris/cris.c (cris_order_for_addsi3): New function.
14014 * config/cris/cris-protos.h: Prototype it.
14015 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14016 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14017 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14018 (split for "op.S1 [rx=rx+i],ry (swapped)")
14019 (split for "op(s|u).S1 [rx=rx+i],ry")
14020 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14021 Apply cris_order_for_addsi3 when generating addsi3 insns.
14023 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14025 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14026 (TREE_BLOCK): Add call to EXPR_CHECK.
14028 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14031 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14032 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14033 (dump_omp_clauses): ... here.
14034 (dump_generic_node): Handle OMP_CLAUSE.
14035 * tree.c (omp_clause_num_ops): New.
14036 (omp_clause_code_name): New.
14037 (tree_code_size): Handle OMP_CLAUSE.
14038 (tree_size): Likewise.
14039 (make_node): Document handling of OMP_CLAUSE.
14040 (tree_node_structure): Handle OMP_CLAUSE.
14041 (omp_clause_check_failed): New.
14042 (omp_clause_range_check_failed): New.
14043 (omp_clause_operand_check_failed): New.
14044 (build_omp_clause): New.
14045 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14046 * tree.h (enum omp_clause_code): Declare.
14047 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14048 (OMP_CLAUSE_RANGE_CHECK): Define.
14049 (OMP_CLAUSE_ELT_CHECK): Define.
14050 (omp_clause_check_failed): Declare.
14051 (omp_clause_operand_check_failed): Declare.
14052 (omp_clause_range_check_failed): Declare.
14053 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14054 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14055 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14056 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14057 (OMP_CLAUSE_IF_EXPR): Likewise.
14058 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14059 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14060 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14061 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14062 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14063 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14064 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14065 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14066 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14067 (OMP_CLAUSE_CODE): Define.
14068 (OMP_CLAUSE_SET_CODE): Define.
14069 (OMP_CLAUSE_CODE): Define.
14070 (OMP_CLAUSE_OPERAND): Define.
14071 (struct tree_omp_clause): Declare.
14072 (union tree_node): Add field 'omp_clause'.
14073 * treestruct.def (TS_OMP_CLAUSE): Define.
14074 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14075 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14076 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14077 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14078 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14079 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14080 (OMP_CLAUSE): Define.
14081 * print-tree.c (print_node): Handle OMP_CLAUSE.
14082 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14083 * c-typeck.c: Likewise.
14084 * gimplify.c: Likewise.
14085 * c-omp.c: Likewise.
14086 * tree-nested.c: Likewise.
14087 * tree-inline.c: Likewise.
14088 * c-parser.c: Likewise.
14089 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14092 2006-01-25 Roger Sayle <roger@eyesopen.com>
14094 PR rtl-optimization/25703
14095 * combine.c (try_combine): Handle zero_extract and strict_low_part
14096 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14098 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14100 * global.c: Fix comment typos.
14102 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14105 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14106 Use output_addr_const instead of assemble_name.
14108 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14110 * Makefile.in (sched-vis.o): Update dependencies.
14111 * haifa-sched.c (sched_finish): Clear current_sched_info.
14112 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14113 (dump_flow_info): Call it.
14114 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14116 * basic-block.h (dump_bb_info): Declare.
14117 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14118 option, and apply options only for dump files whose TDF_RTL,
14119 TDF_TREE, or TDF_IPA bits match.
14120 * rtl.h: Declare new functions exported from sched-vis.c.
14121 * sched-vis.c: Enable also if scheduling is not used.
14122 (print_value): Print the mode of registers if not inside scheduling.
14123 (print_insn): Make it work outside the scheduler. Beautify the output
14125 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14127 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14129 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14130 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14131 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14132 depending on the value of CONSTANT_POOL_ADDRESS_P.
14133 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14135 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14136 rather than SYMBOL_REF_DECL.
14137 (rtx_constant_pool): Remove const_rtx_sym_htab.
14138 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14139 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14140 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14141 Remove handling of const_rtx_sym_htab.
14142 (find_pool_constant): Delete.
14143 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14144 rather than find_pool_constant.
14145 (get_pool_constant_for_function): Delete.
14146 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14147 find_pool_constant.
14148 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14149 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14150 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14151 (SYMBOL_REF_CONSTANT): New macro.
14152 (get_pool_constant_for_function): Delete.
14153 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14154 rather than SYMBOL_REF_DECL.
14155 (i386_pe_mark_dllimport): Likewise.
14156 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14157 rather than SYMBOL_REF_DECL.
14158 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14159 (machopic_indirect_call_target): Likewise.
14161 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14163 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14165 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14167 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14169 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14171 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14173 2006-01-24 David Daney <ddaney@avtrex.com>
14176 * configure.ac (enable_tls): New enable option.
14177 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14178 * configure: Regenerate.
14179 * doc/install.texi (--enable-tls): Document new option.
14180 (--disable-tls): Ditto.
14182 2006-01-24 Richard Henderson <rth@redehat.com>
14184 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14185 * alias.c (true_dependence): Respect it.
14186 (canon_true_dependence, write_dependence_p): Likewise.
14187 * builtins.c (get_builtin_sync_mem): Set it.
14189 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14191 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14194 2006-01-24 DJ Delorie <dj@redhat.com>
14196 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14197 for storing constants in single-bit bitfields.
14199 2006-01-25 Ben Elliston <bje@au.ibm.com>
14201 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14203 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14206 * tree-ssa-pre.c (phi_translate): Return NULL
14207 for AGGREGATE_TYPE's.
14209 2006-01-24 Zack Weinberg <zackw@panix.com>
14211 * genautomata.c (process_state_for_insn_equiv_partition):
14212 Use xcalloc for insn_arcs_array.
14213 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14214 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14216 2006-01-24 Richard Henderson <rth@redhat.com>
14218 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14219 update all callers.
14221 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14223 PR rtl-optimization/25890
14224 PR rtl-optimization/25905
14225 * combine.c (expand_compound_operation, expand_field_assignment):
14226 Fail if the bitfield's final position is out of bounds.
14228 2006-01-24 Ian Lance Taylor <ian@airs.com>
14230 PR middle-end/25930
14231 * cgraphunit.c (cgraph_output_in_order): Don't clear
14232 cgraph_asm_nodes until after asm strings have been output.
14234 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14236 * fix-header.c (read_scan_file): Add new parameter imultilib when
14237 calling register_include_chains.
14239 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14241 * omp-low.c: Update documentation.
14243 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14244 Daniel Berlin <dberlin@dberlin.org>
14248 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14249 return from the function.
14251 2006-01-22 Zack Weinberg <zackw@panix.com>
14253 * rtl.def (match_code): Add second argument.
14254 * genpreds.c (write_extract_subexp): New function.
14255 (write_match_code): Add path argument. Use write_extract_subexp.
14256 (write_predicate_expr): Pass path to write_match_code.
14257 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14258 not perform a mode test.
14259 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14260 a subexpression does not constrain the top-level code set.
14261 * read-rtl.c (read_rtx_variadic): New function.
14262 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14263 * doc/md.texi: Document new notation.
14264 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14265 (cmpsi_operand): ... here, using new notation.
14267 2006-01-22 Zack Weinberg <zackw@panix.com>
14269 * varray.c: Remove GENERATOR_FILE #ifdefs.
14271 2006-01-22 Zack Weinberg <zackw@panix.com>
14273 * genautomata.c (output_reserved_units_table): Emit nothing if
14274 description->query_units_num is zero. Remove extra blank line.
14275 (output_cpu_unit_reservation_p): Short circuit
14276 if description->query_units_num is zero.
14278 2006-01-22 Zack Weinberg <zackw@panix.com>
14280 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14281 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14282 nor any of the random handful of variables that used to be necessary
14283 when this program was linked with rtlanal.o. Prune set of forward
14284 function declarations.
14285 (struct attr_desc): Remove static_p field.
14286 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14287 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14288 (attr_string): Do not read the character one past the length of
14290 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14291 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14292 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14293 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14294 (make_automaton_attrs): New.
14295 (main): Do not call into genautomata. Call local gen_bypass
14296 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14297 Remove special case for insn_alts.
14298 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14299 varray.h (leftover from previous change). Prune set of forward
14300 function declarations. Remove state_alts fields from all
14301 structures. Remove state_alts_table from struct automaton.
14302 Make everything except main static. Do not maintain num_dfa_decls.
14303 Do not maintain state_alts fields of various structures.
14304 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14305 (add_arc): Remove state_alts argument. All callers updated.
14306 (output_reserved_units_table): Emit #ifdef here...
14307 (output_tables): ...not here. Don't generate state_alts tables.
14308 (expand_automata): Don't generate attributes.
14309 (write_automata): Don't generate state_alts functions.
14310 (main): New function.
14311 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14312 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14313 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14314 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14315 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14316 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14317 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14318 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14320 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14321 * genattrtab.h: Delete file.
14322 * Makefile.in (OBJS-common): Add insn-automata.o.
14323 (insn-automata.o): New rule.
14324 (simple_generated_c): Add insn-automata.c.
14325 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14326 (genprogmd): Add automata.
14327 (build/genattrtab): Needs no extra objects nor libraries.
14328 (build/genautomata): Needs build/vec.o and -lm.
14330 2006-01-22 Zack Weinberg <zackw@panix.com>
14332 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14333 (output_dfa_max_issue_rate, locked_states_num): Delete.
14334 (struct automaton): Add locked_states field.
14335 (output_dead_lock_vect): Save number of locked states in
14336 automaton->locked_states. If it is zero, don't print anything.
14337 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14338 (output_internal_dead_lock_func): Only test the dead_lock_vect
14339 for automata that have locked states.
14340 (output_statistics): Always print the number of locked states for
14341 each automaton. Calculate total number of locked states here.
14342 (write_automata): Don't call output_dfa_max_issue_rate.
14343 * genattrtab.c: Define length_unit_log as a const variable.
14344 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14345 max_insn_queue_index const.
14346 * final.c (length_unit_log): Declare const.
14347 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14349 2006-01-22 Zack Weinberg <zackw@panix.com>
14351 * genautomata.c: Include vec.h, not varray.h.
14352 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14353 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14354 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14355 VEC_* macros operating on appropriately typed vectors, or to
14356 malloced arrays when the size is known in advance. Const-ify
14357 many char* variables and function arguments. No functional changes.
14358 * Makefile.in (build/varray.o): Delete rule.
14359 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14360 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14362 2006-01-22 Zack Weinberg <zackw@panix.com>
14364 * gensupport.c: Define get_insn_name and record_insn_name here.
14365 (read_md_rtx): Call record_insn_name as appropriate.
14366 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14367 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14368 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14370 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14371 (BUILD_VARRAY): Delete.
14372 (genprognormal): Rename genprogmd. Fold in all programs from
14373 genprognoprint; also attrtab.
14374 (build/genattrtab): Just mention genautomata.o and varray.o.
14375 Reorganize a bit, add comments to make the categories clearer.
14377 2006-01-22 Zack Weinberg <zackw@panix.com>
14379 * genconditions.c (condition_table, add_condition): Delete.
14380 (write_conditions): Don't emit n_insn_conditions nor
14381 insn_elision_unavailable. Issue the gcc version #ifdef here,
14382 inside the table, with no #else clause ...
14383 (write_header): ...not here.
14384 (write_writer): New function.
14385 (main): Don't initialize condition_table. Use add_c_test.
14387 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14388 files on the command line.
14389 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14390 Return -1 if there is no entry in the table, don't abort.
14391 (add_c_test, traverse_c_tests): New functions.
14392 * gensupport.h (insn_elision_unavailable, insn_conditions)
14393 (n_insn_conditions): Delete declarations.
14394 (add_c_test, traverse_c_tests): Declare.
14395 * read-rtl.c: Include gensupport.h.
14396 (read_conditions): New function.
14397 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14398 (read_rtx_1): If we get EOF when we were looking for an initial
14399 open paren, return 0. Call read_conditions when appropriate.
14400 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14401 dummy-conditions.o. Eliminate references to insn-conditions.o,
14402 or change them to build/gencondmd.o, as appropriate. Remove
14403 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14404 from $(simple_generated_c). For all files remaining in those
14405 two lists, add insn-conditions.md to the generator command line.
14406 Give insn-constants.h/s-constants their own rules. Add rules
14407 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14408 (build/read-rtl.o): Depend on gensupport.h.
14409 (genprognormal): Include preds.
14410 (genprogearly): Rename genprognoprint; only difference is now that
14411 they don't link with $(BUILD_PRINT).
14412 * dummy-conditions.c: Delete.
14414 2006-01-22 Zack Weinberg <zackw@panix.com>
14416 * genextract.c: Don't include insn-config.h. Do include vec.h.
14417 Declare vectors of int, char, and locstr.
14418 (locstr): New typedef.
14419 (struct extraction): Make all array fields into bare pointers.
14420 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14421 (insn_code_number): Delete.
14422 (accum_extract): New struct.
14423 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14424 (gen_insn): Take insn_code_number as an argument. Use an
14425 accum_extract structure instead of loading data directly into
14426 a struct extraction, and having to know how big it might get.
14427 (walk_rtx): Operate entirely on an accum_extract structure.
14428 (print_path): Avoid unnecessary use of printf.
14429 (print_header): New function, split out of main. Distinguish
14430 more carefully between an unrecognizable insn and an insn that
14431 has the code number of a define_expand.
14432 (main): Pass insn_code_number to gen_insn. Call print_header
14433 only after parsing. Avoid unnecessary use of printf.
14434 * Makefile.in (build/vec.o): New rule.
14435 (build/genextract): Depend on build/vec.o.
14436 (build/genextract.o): Don't depend on insn-config.h.
14438 2006-01-22 Zack Weinberg <zackw@panix.com>
14440 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14441 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14442 practical. Eliminate per-generator-program link rules.
14444 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14446 PR middle-end/24437
14447 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14448 with a call expr to ...
14449 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14451 2006-01-23 Richard Guenther <rguenther@suse.de>
14453 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14454 before make_edge with conditional EDGE_TRUE_VALUE.
14456 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14457 Jan Hubicka <jh@suse.cz>
14458 Richard Guenther <rguenther@suse.de>
14460 PR rtl-optimization/25654
14461 * cfgexpand.c (aggregate_contains_union_type): New function.
14462 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14463 for structure variables that contain a union type.
14465 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14467 * gengtype.c (new_structure): Return the structure.
14468 (create_option): Add an extra "next" argument.
14469 (create_field): New function.
14470 (adjust_field_rtx_def): Use create_option and create_field.
14471 Remove a now-unnecessary call to find_structure.
14472 (adjust_field_tree_def): Likewise.
14473 (note_yacc_type): Remove an unnecessary call to find_structure.
14474 * gengtype.h (new_structure): Return the structure.
14475 (create_option): Add an extra argument.
14476 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14477 (option): Adjust calls to create_option.
14479 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14481 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14483 2006-01-22 Paul Brook <paul@codesourcery.com>
14484 Peter Barada <peter@the-baradas.com>
14486 * config/m68k/m68k.md: Add Coldfire FPU support.
14487 Define FP mode macro and associated attributes.
14488 Use it for float mode patterns.
14489 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14490 (LIBCALL_VALUE): Use m68k_libcall_value.
14491 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14492 (m68k_function_value): Ditto.
14493 (emit_move_sequence): Ditto.
14494 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14495 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14496 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14497 (MULTILIB_EXCEPTIONS): Ditto.
14498 * config/m68k/m68k.opt: Add mcfv4e.
14499 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14500 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14501 (m68k_output_function_prologue): Save ColdFire FPU registers.
14502 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14503 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14504 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14505 ColdFire FPU registers.
14506 (m68k_libcall_value, m68k_function_value): New functions.
14507 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14508 (LIBCALL_VALUE): Use m68k_libcall_value.
14509 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14510 (MASK_COLDFIRE): Add MASK_CFV4E.
14511 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14512 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14513 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14514 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14515 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14516 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14517 * doc/invoke.tex: Document -mcfv4e on m68k.
14519 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14521 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14524 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14527 * c-opts.c (c_common_handle_option): Don't include
14528 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14529 * doc/invoke.texi (C++ Dialect Options): Document that
14530 -Wnon-virtual-dtor is no longer included in -Wall.
14532 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14534 * gcov.c (print_version), gcov-dump.c (print_version),
14535 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14538 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14540 * df-scan.c (problem_SCAN): Added NULL reset function.
14541 (df_scan_reset_blocks): Added code to call reset block function
14542 (df_bb_refs_delete) Fixed comment.
14543 (df_insn_refs_delete): Made tolerant of deleting non existent info
14544 for dataflow problems that need to be reset.
14545 * df-core.c (df_set_blocks): Ditto.
14546 * df.h (struct df_problem): Added reset_fun.
14547 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14548 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14549 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14550 functions to clear out all references to def-use or use-def chains.
14552 2006-01-21 Ben Elliston <bje@au.ibm.com>
14554 * varasm.c (assemble_real): Initialise data array.
14556 2006-01-20 Paul Brook <paul@codesourcery.com>
14558 Merge from csl-arm-branch.
14559 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14560 * config/arm/arm.md (movdi): Force operands[1] to a register
14561 if we have a non-register source.
14562 (*arm_movdi, *movdf_soft_insn): Require that one of the
14563 operands be a register.
14564 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14565 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14567 2006-01-20 DJ Delorie <dj@redhat.com>
14569 * varasm.c (initializer_constant_valid_p): Allow pointers
14570 initialized from integer constants of lesser precision.
14571 (output_constant): Allow non-int-sized pointer modes to be
14572 initialized from integer constants.
14574 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14577 * cppdefault.h (struct default_include): Add multilib flag.
14578 * cppdefault.c (cpp_include_defaults): Set it.
14579 * c.opt (-imultilib): New option.
14580 * c-opts.c (imultilib): New.
14581 (c_common_handle_option): Handle -imultilib.
14582 (c_common_post_options): Likewise.
14583 * c-incpath.c (add_standard_paths, register_include_chains):
14585 * c-incpath.h (register_include_chains): Add extra parameter.
14586 * gcc.c (do_spec_1): Generate -imultilib option.
14587 (The Specs Language): Update %I description.
14588 (process_command): Update copyright notice.
14589 * doc/cppopts.texi (-imultilib): Document.
14590 * doc/invoke.texi (-imultilib): Include in option summary.
14591 (%I): Update specs documentation.
14593 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14595 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14597 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14599 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14602 2006-01-20 Richard Guenther <rguenther@suse.de>
14603 Steven Bosscher <stevenb.gcc@gmail.com>
14605 PR rtl-optimization/24626
14606 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14607 EDGE_TRUE_VALUE if in RTL mode.
14610 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14611 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14613 2006-01-20 Dirk Mueller <dmueller@suse.com>
14616 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14617 instead of a special NOP marker.
14618 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14619 NOP marker handling.
14620 * c-common.h (empty_body_warning): Add forward declaration.
14621 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14622 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14624 2006-01-20 Paul Brook <paul@codesourcery.com>
14626 * Makefile.in (lang_checks): Keep going if mkdir fails.
14628 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14630 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14631 be able to clean out basic block when not necessary.
14632 (df_scan_free): Fixed to properly delete information if df is
14633 unused before calling df_finish.
14634 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14635 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14637 (df_bb_refs_delete): New function.
14638 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14639 * df-core.c (df_set_blocks): Added code to properly clean out
14640 unused blocks if they are not part of the blocks to consider.
14641 Added additional null check.
14642 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14643 be able to clean out basic block when not necessary
14644 * df.h (df_free_bb_function): Ditto.
14645 (df_bb_refs_delete): New function.
14646 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14647 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14648 basic block parameter to be able to clean out basic block when not
14650 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14651 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14652 Fixed to properly delete information if df is unused before
14655 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14657 PR rtl-optimization/25799
14658 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14659 Corrected confluence operator to remove bits from op2 before oring
14660 with op1 rather than removing bits from op1.
14661 (df_ru_transfer_function): Corrected test on wrong bitmap which
14662 caused infinite loop. Both of these problems were introduced in
14663 the dataflow rewrite.
14665 2006-01-19 DJ Delorie <dj@redhat.com>
14667 * reload1.c (find_reload_regs): Note the details of reload
14668 failures in the dump file.
14669 (spill_failure): Likewise.
14671 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14673 * loop-iv.c: Include df.h and hashtab.h.
14674 (enum iv_grd_result): New enum.
14675 (DF_REF_IV, DF_REF_IV_SET): New macros.
14676 (struct biv_entry): New.
14677 (df, bivs): New global variables.
14678 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14679 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14681 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14682 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14683 analyzed_for_bivness_p, record_biv): New functions.
14684 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14685 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14686 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14688 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14690 (iv_number_of_iterations): Use new interface to iv analysis.
14691 * loop-unroll.c: Do not include varray.h.
14692 (analyze_iv_to_split_insn): Use new interface to iv
14694 * loop-unswitch.c (may_unswitch_on): Ditto.
14695 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14697 (df_bb_modify): Realloc tables to the new index.
14698 (df_find_use): New function.
14699 * df.h (df_find_use): Declare.
14700 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14702 * cfgloop.h (struct rtx_iv): Remove analysed field.
14703 (iv_get_reaching_def): Removed.
14704 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14705 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14706 (loop-iv.o): Add df.h and hashtab.h dependency.
14707 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14709 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14712 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14714 (__floatundisf, __floatundidf): Likewise.
14715 * libgcc2.h (IS_IBM_EXTENDED): Define.
14717 2006-01-19 DJ Delorie <dj@redhat.com>
14719 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14721 2006-01-19 Paul Brook <paul@codesourcery.com>
14723 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14724 as nothrow when unwinding tables are disabled.
14726 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14729 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14730 of bit-field" when in system header.
14732 2006-01-19 DJ Delorie <dj@redhat.com>
14734 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14735 the 16 bit shift limit of the m16c.
14737 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14740 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14741 * config/i386/i386.c (output_set_got): Output the label if we have one
14742 for the TARGET_DEEP_BRANCH_PREDICTION case.
14744 2006-01-19 Jan Hubicka <jh@suse.cz>
14745 H.J. Lu <hongjiu.lu@intel.com>
14746 Evandro Menezes <evandro.menezes@amd.com>
14748 * invoke.texi (generic): Document
14750 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14751 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14752 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14753 (x86_use_incdec, x86_pad_returns): New variables
14754 (TARGET_CPU_DEFAULT_generic): New constant
14755 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14756 (enum processor_type): Add generic32 and generic64.
14757 * i386.md (cpu attribute): Add generic32/generic64
14758 (movhi splitter): Behave sanely when both partial_reg_dependency and
14759 partial_reg_stall are set.
14760 (K8 splitters): Enable for generic as well.
14761 * predicates.md (incdec_operand): Use TARGET_INCDEC
14762 (aligned_operand): Avoid memory mismatch stalls.
14763 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14764 * ppro.md: Enable for generic32
14765 * i386.c (generic64_cost, generic32_cost): New.
14766 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14767 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14768 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14769 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14770 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14771 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14772 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14773 x86_accumulate_outgoing_args, x86_prologue_using_move,
14774 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14775 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14776 Enable for generic.
14777 (x86_use_incdec, x86_pad_returns): New.
14778 (override_options): Add generic32 and generic64, translate "generic"
14779 to generic32/generic64 and "i686" to "generic32", refuse
14780 "generic32"/"generic64" as arch target.
14781 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14782 (ix86_reorg): Honor PAD_RETURNS.
14784 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14786 * tree-pretty-print.c (dump_generic_node): Handle
14787 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14788 * cgraph.c (cgraph_expand_queue): Rename from
14789 cgraph_analyze_queue. Update all users.
14790 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14791 cgraph_expand_queue.
14792 (cgraph_expand_all_functions): Likewise.
14793 (cgraph_finalize_pending_functions): Remove. Update callers.
14795 * tree.h (OMP_DIRECTIVE_P): Define.
14796 (OMP_PARALLEL_FN): Define.
14797 (OMP_PARALLEL_DATA_ARG): Define.
14798 (OMP_SECTIONS_SECTIONS): Define.
14799 * tree-pass.h (pass_expand_omp): Declare.
14800 * omp-low.c (struct omp_region): Declare.
14801 (struct omp_context): Remove fields 'parallel_type',
14802 'parallel_start_ix' and 'parallel_start_additional_args'.
14804 (struct omp_for_data): Rename from struct expand_omp_for_data.
14805 (omp_regions): New static variable.
14806 (root_omp_region): New static variable.
14807 (find_omp_clause): Make static.
14808 (is_in_combined_parallel_ctx): Remove.
14809 (is_combined_parallel): New.
14810 (extract_omp_for_data): Move earlier in the file.
14811 (workshare_safe_to_combine_p): New.
14812 (get_ws_args_for): New.
14813 (determine_parallel_type): Move earlier in the file.
14814 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14816 (omp_copy_decl): Likewise.
14817 (create_omp_child_function): Likewise.
14818 (lookup_omp_region): New.
14819 (dump_omp_region): New.
14820 (debug_omp_region): New.
14821 (debug_all_omp_regions): New.
14822 (new_omp_region): New.
14823 (scan_omp_parallel): If parallel_nesting_level > 1, the
14824 directive is nested within another parallel directive.
14825 Set OMP_PARALLEL_FN.
14826 (scan_omp_for): Do not try to handle combined parallel+for
14828 Remove FIXME comment.
14829 (scan_omp_nested): Remove.
14830 (scan_omp_1): Do not call scan_omp_nested when
14831 parallel_nesting_level is > 1.
14832 Do not change the DECL_CONTEXT of local variables found.
14833 (lookup_decl_in_outer_ctx): New.
14834 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14835 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14836 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14837 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14838 If CTX is nested, lookup VAR in the outer context when
14839 building copy assignment.
14840 (lower_send_clauses): Rename from expand_send_clauses.
14841 If CTX is nested, lookup VAR in the outer context when
14842 building copy assignments.
14843 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14844 If CTX is nested, lookup VAR in the outer context when
14845 building copy assignments.
14846 (expand_parallel_call): Rename from build_parallel_call.
14847 Handle combined parallel+workshare cases.
14848 Re-implement to emit code into the CFG.
14850 (expand_omp_parallel): Re-implement to emit code into the CFG.
14851 Call move_sese_region_to_fn to outline the sub-graph
14852 containing the parallel region.
14853 (expand_omp_for_1): Remove.
14854 (expand_omp_for_generic): Re-implement to emit code into the
14856 (expand_omp_for_static_nochunk): Likewise.
14857 (expand_omp_for_static_chunk): Likewise.
14858 (expand_omp_for): Likewise.
14859 (expand_omp_sections): Likewise.
14860 (remove_exit_barriers): New.
14861 (expand_omp_synch): New.
14863 (build_omp_regions_1): New.
14864 (build_omp_regions): New.
14865 (execute_expand_omp): New.
14866 (gate_expand_omp): New.
14867 (pass_expand_omp): Define.
14868 (lower_omp_sections): Rename from expand_omp_sections.
14869 Set OMP_SECTIONS_SECTIONS.
14870 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14871 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14872 (lower_omp_single): Rename from expand_omp_simple.
14873 (lower_omp_master): Rename from expand_omp_master.
14874 (lower_omp_ordered): Rename from expand_omp_ordered.
14875 (lower_omp_critical): Rename from expand_omp_critical.
14876 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14877 (lower_omp_for): Re-implement.
14878 (lower_omp_parallel): Re-implement.
14879 (lower_regimplify): Rename from expand_regimplify.
14880 (lower_omp_1): Rename from expand_omp_1.
14881 If there are syntax errors in the program, replace every
14882 OpenMP directive with NOP.
14883 Call lower_omp_* instead of expand_omp_*.
14884 (lower_omp): Rename from expand_omp.
14886 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14887 * tree-gimple.h (enum omp_parallel_type): Remove.
14888 (gimple_boolify): Declare extern.
14889 (find_omp_clause, determine_parallel_type): Remove.
14891 * gimple-low.c (lower_omp_directive): New.
14892 (lower_stmt): Call it.
14893 (record_vars_into): Move from ...
14894 (record_vars): ... here.
14895 Call record_vars_into with current_function_decl.
14897 * gimplify.c (struct gimplify_ctx): Remove fields
14898 combined_pre_p and combined_ctxp. Update users.
14899 (get_formal_tmp_var): Add documentation.
14900 (gimple_boolify): Make extern.
14901 (gimplify_expr_in_ctx): Remove. Update callers.
14902 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14903 will always be a BIND_EXPR.
14904 (gimplify_expr): Handle OMP_RETURN_EXPR.
14905 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14906 (OMP_PARALLEL): Add 3 operands.
14907 (OMP_SECTIONS): Add 1 operand.
14908 (OMP_RETURN_EXPR): Define.
14910 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14911 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14912 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14913 creating a circular free list.
14914 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14916 * tree-flow.h (move_sese_region_to_fn): Declare.
14917 (record_vars_into): Declare.
14918 * tree-cfg.c (make_omp_sections_edges): New.
14919 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14920 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14921 OMP_SECTIONS and OMP_SECTION.
14922 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14923 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14924 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14925 (gather_blocks_in_sese_region): New.
14926 (struct move_stmt_d): Declare.
14927 (move_stmt_r): New.
14928 (move_block_to_fn): New.
14929 (move_sese_region_to_fn): New.
14931 * passes.c (init_optimization_passes): Schedule
14932 pass_expand_omp after pass_init_datastructures.
14934 * tree-ssa-operands.c (get_expr_operands): Handle
14935 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14936 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14938 2006-01-19 Jeff Law <law@redhat.com>
14940 * tree-vrp.c (extract_range_from_assert): Refine the result range
14941 if the variable referenced by the ASSERT_EXPR has a range and
14942 either the tentative result range or the previous range is a
14945 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14947 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14949 2006-01-19 Jan Hubicka <jh@suse.cz>
14951 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14953 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14955 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14956 (expand_compound_operation, expand_field_assignment): Fail if the
14957 bit lengths of an extract operation are out of range.
14958 (make_extraction): Compute wanted_inner_mode based on the position
14959 and length of the extraction. Make it extraction_mode for non-constant
14960 positions, and do not modify offset in that case. When generating a
14961 new MEM, use a mode that can hold the extraction while keeping correct
14962 alignment. Remove code that supported MEMs wrapped by USEs.
14963 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14965 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14967 * config/s390/s390.md ("Y", "y"): New mode attribute.
14968 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14969 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14970 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14971 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14972 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14973 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14974 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14975 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14976 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14977 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14978 "addsi3", "subsi3"): Insn patterns removed.
14979 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14980 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14981 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14982 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14983 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14984 "*sub<mode>3_cconly2"): New insn patterns.
14985 ("addsi3", "subsi3"): New expanders.
14987 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14989 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14990 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14991 existing STMT_VINFO_VECTYPE if available.
14992 (vect_mark_relevant): Add special handling for stmts that are
14993 marked as STMT_VINFO_IN_PATTERN_P.
14994 (vect_analyze_loop): Call vect_pattern_recog.
14995 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14996 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14998 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14999 (vect_recog_func_ptr): New function-pointer type.
15000 * tree-vect-patterns.c: New file.
15001 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15002 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15003 (vect_pattern_recog_1): New functions.
15004 (vect_pattern_recog_funcs): New array of function pointers.
15006 * tree-vectorizer.h (ternary_op): New enum value.
15007 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15008 declaration. Revised documentation. Removed redundant dump prints.
15009 Removed redundant argument. Added support for reduction patterns.
15010 (vectorizable_reduction): Added support for reduction patterns.
15011 (vect_transform_stmt): Added support for patterns.
15013 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15014 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15015 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15016 (expand_widen_pattern_expr): New function.
15017 (init_optabs): Initialize new optabs udot_prod_optab,
15019 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15020 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15021 (expand_widen_pattern_expr): New function declaration.
15022 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15024 * tree-inline.c (estimate_num_insns_1): Added cases for new
15025 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15026 * tree-pretty-print.c (dump_generic_node): Likewise.
15027 (op_prio): Likewise.
15028 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15029 * tree-ssa-operands.c (get_expr_operands): Added case for
15031 * tree-vect-patterns.c (widened_name_p): New function.
15032 (vect_recog_dot_prod_pattern): Added function implementation.
15033 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15034 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15035 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15036 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15038 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15039 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15040 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15041 (init_optabs): Initialize new optabs widen_ssum_optab,
15043 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15044 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15045 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15046 use instead of type of def.
15047 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15048 function implementation.
15049 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15050 widen_ssumv8hi): New.
15052 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15055 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15058 * c-decl.c (add_flexible_array_elts_to_size): New function.
15059 (finish_decl): Use it.
15061 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15063 * diagnostic.h: Include options.h.
15064 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15065 dependancies for diagnostic.h.
15066 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15068 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15070 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15071 (ssa_ro_call_cache_valid): Ditto.
15072 * tree-ssa-alias.c (sort_tags_by_id): New function.
15073 (init_transitive_clobber_worklist): Ditto.
15074 (add_to_worklist): Ditto.
15075 (mark_aliases_call_clobbered): Ditto.
15076 (compute_tag_properties): Ditto.
15077 (set_initial_properties): Ditto.
15078 (compute_call_clobbered): Ditto.
15079 (compute_may_aliases): Call compute_call_clobbered and grouping.
15080 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15081 (compute_flow_insensitive_aliasing): Grouping now happens in our
15083 (setup_pointers_and_addressables): Remove clobbering related code.
15084 (add_may_alias): Ditto.
15085 (replace_may_alias): Ditto.
15086 (get_nmt_for): Ditto.
15087 (create_global_var):
15088 (is_escape_site): Return an escape_type enumeration.
15089 * tree-flow-inline.h (is_call_clobbered): Global var does not
15090 imply call clobbered.
15091 (mark_call_clobbered): Take a reason for marking this. Remove
15092 marking of globalness, and cache invalidation.
15093 (clear_call_clobbered): Remove cache invalidation code.
15094 * tree-dfa.c (dump_variable): If details is on, dump the reason
15096 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15098 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15099 (struct var_ann_d): Ditto.
15100 (enum escape_type): New.
15101 (mark_call_clobbered): Adjust prototype.
15102 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15103 are never call clobbered.
15104 Record reasons for escaping.
15105 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15106 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15107 (ssa_ro_call_cache_valid): Ditto.
15108 (clobbered_v_may_defs): Ditto.
15109 (clobbered_vuses): Ditto.
15110 (ro_call_vuses): Ditto.
15111 (clobber_stats): New.
15112 (init_ssa_operands): Zero out clobber stats.
15113 (fini_ssa_operands): Print out clobber stats.
15114 (get_call_expr_operands): Pass callee fndecl to
15115 add_call_read_ops).
15116 (add_call_clobber_ops): Remove use of cache.
15117 Add use of PURE_CONST information.
15118 (add_call_read_ops): Remove use of cache.
15119 Add use of static not_read information.
15121 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15123 Introduce TLS descriptors for i386 and x86_64.
15124 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15125 (TARGET_ANY_GNU_TLS): New macro.
15126 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15127 (struct machine_function): Add tls_descriptor_call_expanded_p.
15128 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15129 (ix86_current_function_calls_tls_descriptor): Likewise.
15130 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15131 (override_options): Introduce gnu2 tls dialect.
15132 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15134 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15136 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15137 (ix86_init_machine_status): Initialize new field.
15138 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15139 (ix86_tls_module_base): New.
15140 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15141 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15142 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15143 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15144 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15145 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15146 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15147 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15148 * config/i386/predicates.md (tls_modbase_operand): New.
15149 (tp_or_register_operand): New.
15151 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15153 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15154 (look_for_address_of): Ditto.
15155 (ipa_init): Walk the function decls.
15156 (static_execute): Don't set readonly on FUNCTION_DECL's.
15158 2006-01-18 Roger Sayle <roger@eyesopen.com>
15160 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15161 for shifts where the source and destination registers are different.
15163 2006-01-18 Paul Brook <paul@codesourcery.com>
15165 Merge from csl-arm-branch.
15166 2005-03-14 Julian Brown <julian@codesourcery.com>
15167 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15168 (aeabi_llsl): Likewise.
15169 (ashrdi3): Likewise.
15170 (aeabi_lasr): Likewise.
15171 (lshrdi3): Likewise.
15172 (aeabi_llsr): Likewise.
15173 2005-03-10 Julian Brown <julian@codesourcery.com>
15174 * config.gcc: Disable shared libgcc for SymbianOS.
15175 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15177 2006-01-18 DJ Delorie <dj@redhat.com>
15179 * c-pragma.c (handle_pragma_diagnostic): New.
15180 (init_pragma): Register it.
15181 * doc/extend.texi: Document it.
15183 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15184 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15185 (diagnostic_context): Add classify_diagnostic[].
15186 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15187 as errors if they're overridden to DK_WARNING.
15188 (diagnostic_initialize): Initialize classify_diagnostic[].
15189 (diagnostic_set_kind_override): New.
15190 (diagnostic_report_diagnostic): Check for kind changes.
15191 * opts.c (common_handle_option): Take lang_mask. Update callers.
15192 Handle OPT_Werror_.
15193 * common.opt (Werror=): New.
15194 * doc/invoke.texi: Document -Werror=*
15196 2006-01-18 Jeff Law <law@redhat.com>
15198 * tree-vrp.c (test_for_singularity): Correct test for new
15199 min limit. Use operand_equal_p rather than pointer equality
15200 for testing if new min/max values are equal.
15202 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15203 using range information until after propagation and folding.
15205 2006-01-18 Richard Henderson <rth@redhat.com>
15206 Aldy Hernandez <aldyh@redhat.com>
15207 Jakub Jelinek <jakub@redhat.com>
15208 Diego Novillo <dnovillo@redhat.com>
15210 * omp-low.c: New file.
15211 * c-omp.c: New file.
15213 2006-01-18 Richard Henderson <rth@redhat.com>
15214 Jakub Jelinek <jakub@redhat.com>
15215 Diego Novillo <dnovillo@redhat.com>
15217 * doc/invoke.texi: Document -fopenmp.
15218 * tree-dump.h (debug_function): Declare.
15219 * hooks.c (hook_bool_tree_bool_false): New function.
15220 (hook_tree_tree_null): Remove.
15221 (hook_tree_tree_tree_null): New.
15222 * hooks.h: Update to match.
15223 * tree-pretty-print.c (debug_tree_chain): New.
15224 (print_generic_expr): Handle TDF_CHAIN.
15225 (dump_generic_node): Handle BLOCK.
15226 Do not abort with incomplete SWITCH_EXPRs.
15227 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15228 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15229 print space after directive name.
15230 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15231 Handle OMP_MASTER and OMP_ORDERED.
15232 Handle printing of OMP_BODY just in one place, goto
15233 dump_omp_body in the rest of OMP_* nodes that have
15235 Don't handle clause nodes here. Update omp statements to
15236 use dump_omp_clauses.
15237 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15238 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15239 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15240 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15241 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15242 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15243 Adjust output for GOMP_PARALLEL.
15244 (dump_omp_clauses): New.
15245 (print_declaration): Dump DECL_VALUE_EXPR.
15246 (op_symbol_1): Split out of op_symbol.
15247 (dumping_stmts): Remove. Update all users.
15248 * cgraph.c (cgraph_analyze_queue): New.
15249 (cgraph_add_new_function): New.
15250 * cgraph.h (cgraph_analyze_queue): Declare.
15251 (cgraph_add_new_function): Declare.
15252 (cgraph_lower_function): Remove.
15253 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15254 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15255 and TYPE_P nodes in its default clause.
15256 (empty_body_p): New.
15257 (tree_range_check_failed): New.
15258 (build5_stat): New.
15259 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15260 OMP_CLAUSE_REDUCTION_MERGE,
15261 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15262 OMP_CLAUSE_PRIVATE_DEBUG,
15263 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15264 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15265 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15266 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15267 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15268 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15269 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15270 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15271 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15272 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15273 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15274 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15275 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15276 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15277 (TREE_RANGE_CHECK): New.
15278 (empty_body_p): Declare.
15279 (enum omp_clause_default_kind): New.
15280 (build_string_literal): Declare.
15281 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15282 (build5_stat, build5): Declare.
15283 * tree-pass.h (TDF_CHAIN): Define.
15284 * tree-pass.h (PROP_gimple_lomp): Define.
15285 (pass_lower_omp): Declare.
15286 * diagnostic.h (debug_tree_chain): Declare.
15287 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15289 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15290 * builtins.c (build_string_literal): Make extern.
15291 * gcc.c (include_spec_function): New.
15292 (static_spec_functions): Add it.
15293 (main): Move load of libgomp.spec ...
15294 (LINK_COMMAND_SPEC): ... here.
15295 (link_gomp_spec): New.
15296 (static_specs): Include it.
15297 (LINK_COMMAND_SPEC): Add link_gomp.
15298 (GOMP_SELF_SPECS): New.
15299 (driver_self_specs): Include it.
15300 (switch_matches): Don't mark inline.
15301 (main): Load libgomp.spec.
15302 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15303 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15304 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15305 * tree-gimple.h (enum omp_parallel): Declare.
15306 (determine_parallel_type): Declare.
15307 (omp_firstprivatize_variable): Declare.
15308 (omp_reduction_init): Declare.
15309 (diagnose_omp_structured_block_errors): Declare.
15310 (struct walk_stmt_info): Add want_return_expr.
15311 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15312 (find_omp_clause): Declare.
15313 (insert_field_into_struct): Declare.
15314 (struct walk_stmt_info): Move from tree-nested.c
15315 (walk_stmts): Declare.
15316 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15318 * cgraphunit.c (cgraph_lower_function): Make static.
15319 (cgraph_finalize_pending_functions): New.
15320 (cgraph_finalize_function): Call it.
15321 (cgraph_finalize_compilation_unit): Likewise.
15322 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15323 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15324 (BT_FN_UINT_UINT): New.
15325 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15326 DEF_FUNCTION_TYPE_VAR_4): Document.
15327 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15328 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15329 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15330 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15331 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15332 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15333 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15334 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15335 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15336 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15337 into separate files.
15338 (DEF_GOMP_BUILTIN): New.
15339 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15340 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15341 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15342 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15343 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15344 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15345 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15346 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15347 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15348 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15349 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15350 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15351 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15352 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15353 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15354 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15355 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15356 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15357 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15358 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15359 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15360 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15361 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15362 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15363 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15364 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15365 * sync-builtins.def: New file, moved from builtins.def.
15366 * omp-builtins.def: New file, moved from builtins.def.
15367 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15368 * gimple-low.c (lower_function_body): Clear data.
15369 (lower_stmt): Do not handle COMPOUND_EXPR.
15370 Remove call to print_node_brief.
15371 * c-tree.h (c_finish_omp_clauses): New prototype.
15372 (C_DECL_THREADPRIVATE_P): Define.
15373 (lookup_name_no_remap, c_omp_remap_private): Remove
15374 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15375 (check_for_loop_decls): Update decl.
15376 (lookup_name_no_remap, c_omp_remap_private): Declare.
15377 (build_indirect_ref, build_modify_expr, pushdecl,
15378 pushdecl_top_level): Move to c-common.h.
15379 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15380 before the switch, but just in the 2 places that need it.
15381 * c-decl.c (diagnose_mismatched_decls): Do not check for
15382 mismatched thread-local attributes when OLDDECL is marked
15383 threadprivate and NEWDECL has no thread-local attributes.
15384 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15385 (c_gimple_diagnostics_recursively): Rename from
15386 c_warn_unused_result_recursively. Invoke
15387 diagnose_omp_structured_block_errors.
15388 (check_for_loop_decls): Return a singular decl found.
15389 * langhooks.c (lhd_omp_predetermined_sharing): Return
15390 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15391 (lhd_omp_firstprivatize_type_sizes): New.
15392 (lhd_omp_assignment): New.
15393 (lhd_omp_predetermined_sharing): New.
15394 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15395 (struct lang_hooks_for_types): Add
15396 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15397 omp_predetermined_sharing, omp_disregard_value_expr,
15398 omp_private_debug_clause, omp_clause_default_ctor,
15399 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15400 (c_finish_omp_clauses): New.
15401 (c_finish_bc_stmt): Diagnose break within omp for.
15402 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15403 (build_unary_op): Return error_mark after reporting
15405 (build_modify_expr): Likewise.
15406 * gimplify.c: Include optabs.h and pointer-set.h.
15407 (enum gimplify_omp_var_data): Declare.
15408 (struct gimplify_omp_ctx): Declare.
15409 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15411 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15412 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15413 (splay_tree_compare_decl_uid): New.
15414 (new_omp_context): New.
15415 (delete_omp_context): New.
15416 (gimple_add_tmp_var): Call omp_add_variable.
15417 (gimplify_bind_expr): Likewise.
15418 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15419 true, disregard DECL_VALUE_EXPR on the decl if any.
15420 (gimplify_expr_in_ctx): New.
15421 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15422 omp_add_variable, omp_notice_variable, omp_is_private
15423 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15424 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15425 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15426 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15427 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15428 gimplify_omp_atomic): New.
15429 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15430 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15431 OMP_CRITICAL and OMP_ATOMIC.
15432 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15433 * c-pragma.h (enum pragma_kind): Add
15434 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15435 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15436 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15437 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15438 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15439 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15440 PRAGMA_OMP_THREADPRIVATE.
15441 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15442 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15443 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15444 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15445 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15446 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15447 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15448 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15449 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15450 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15451 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15452 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15453 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15455 (struct nesting_info): Add field_map,
15456 suppress_expansion, debug_var_chain.
15457 (create_nesting_tree): Initialize them.
15458 (lookup_field_for_decl): Use field_map.
15459 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15460 (convert_local_omp_clauses): New.
15461 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15462 (walk_body): Split out of walk_function.
15463 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15464 (convert_nonlocal_reference): Handle omp statements.
15465 (convert_local_reference): Likewise.
15466 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15467 (unnest_nesting_tree): New.
15468 (lower_nested_functions): Call it.
15469 (insert_field_into_struct): Make extern.
15470 (struct walk_stmt_info): Move to tree-gimple.h.
15471 (walk_stmts): Make extern.
15472 * omp-builtins.def: New file.
15473 * tree-iterator.c (expr_only): Clarify comment.
15474 * c-common.h (pushdecl_top_level, pushdecl,
15475 build_modify_expr, build_indirect_ref,
15476 c_finish_omp_master, c_finish_omp_critical,
15477 c_finish_omp_ordered, c_finish_omp_barrier,
15478 c_finish_omp_atomic, c_finish_omp_flush,
15479 c_finish_omp_for, c_split_parallel_clauses,
15480 omp_clause_default_kind, c_omp_sharing_predetermined,
15481 c_omp_remap_decl): Declare.
15482 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15483 (OBJS-common): Add omp-low.o.
15484 (c-omp.o, omp-low.o): Add.
15485 (gimplify.o): Add dependency on $(OPTABS_H).
15486 (GTFILES): Add omp-low.c.
15487 (gt-stringpool.h): Add.
15488 * tree-cfg.c (set_bb_for_stmt): Do not update the
15489 block-to-labels map if we are currently expanding to RTL.
15490 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15492 Handle IDENTIFIER_NODE.
15493 (tree_verify_flow_info): Do not ICE when emitting error
15494 messages about invalid labels.
15495 (dump_function_to_file): Reset CFUN before emitting the body
15497 (debug_function): New.
15498 * passes.c (init_optimization_passes): Schedule
15500 * langhooks-def.h (lhd_omp_predetermined_sharing,
15501 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15503 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15504 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15505 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15506 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15507 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15508 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15509 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15510 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15511 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15512 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15513 (LANG_HOOK_DECLS): Use them.
15515 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15516 Richard Henderson <rth@redhat.com>
15517 Jakub Jelinek <jakub@redhat.com>
15518 Diego Novillo <dnovillo@redhat.com>
15520 * c-parser.c (pragma_omp_clause): Define.
15521 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15522 (c_parser_compound_statement): Likewise.
15523 (c_parser_statement): Likewise.
15524 (c_parser_pragma): Handle omp pragmas.
15525 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15526 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15527 (c_parser_omp_clause_name, check_no_duplicate_clause,
15528 c_parser_omp_variable_list,
15529 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15530 c_parser_omp_clause_copyprivate,
15531 c_parser_omp_clause_default,
15532 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15533 c_parser_omp_clause_lastprivate,
15534 c_parser_omp_clause_nowait,
15535 c_parser_omp_clause_num_threads,
15536 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15537 c_parser_omp_clause_reduction,
15538 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15539 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15540 c_parser_omp_atomic, c_parser_omp_barrier,
15541 c_parser_omp_critical, c_parser_omp_flush,
15542 c_parser_omp_for_loop, c_parser_omp_for,
15543 c_parser_omp_master, c_parser_omp_ordered,
15544 c_parser_omp_sections_scope, c_parser_omp_sections,
15545 c_parser_omp_parallel, c_parser_omp_single,
15546 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15547 * c-pragma.c (init_pragma): Do omp pragma registration here.
15548 * c.opt (fopenmp): New flag.
15550 2006-01-18 Eric Christopher <echristo@apple.com>
15552 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15553 * config/darwin.h (GOMP_SELF_SPECS): Define.
15555 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15557 * rtl.h: Remove the prototype for reg_alloc.
15559 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15562 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15563 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15564 sjlj and dwarf2 exception handling.
15565 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15566 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15567 * pa/pa.c (function_value): Treat complex and vector types as
15569 (function_arg): Likewise. Only pass scalar floats in the floating
15570 point argument registers.
15571 * pa/t-slibgcc-dwarf-ver: New file.
15572 * pa/t-slibgcc-sjlj-ver: New file.
15573 * pa/t-slibgcc-elf-ver: Delete file.
15575 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15577 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15578 unlikely_test_section_p test.
15580 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15582 * mode-switching.c (optimize_mode_switching): Make it static.
15583 * basic-block.h: Remove the prototype for
15584 optimize_mode_switching.
15586 * modulo-sched.c (sms_schedule): Make it static.
15587 * rtl.h: Remove the prototype for sms_schedule.
15589 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15590 * rtl.h: Remove the prototype for gcse_after_reload_main.
15592 * reg-stack.c (reg_to_stack): Make it static.
15593 * rtl.h: Remove the prototype for reg_to_stack.
15595 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15597 * rtl.h: Remove the prototypes for regrename_optimize and
15598 copyprop_hardreg_forward.
15600 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15602 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15603 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15604 Test against the appropriate null constant for the mode.
15605 If 'fixup_overlap' is true, swap the operands if they overlap.
15606 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15607 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15608 alpha_split_tmode_pair and adjust for above change.
15609 * config/alpha/alpha.md (movtf_internal): Adjust call to
15610 alpha_split_tfmode_pair and rely on it to swap the operands.
15611 (movti_internal): New insn and post-reload splitter.
15612 (movti): New expander.
15614 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15616 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15621 * rtlanal.c (global_reg_mentioned_p_1,
15622 global_reg_mentioned_p): Remove.
15623 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15625 * flow.c (initialize_uninitialized_subregs): Make it static.
15626 * rtl.h: Remove the prototype for
15627 initialize_uninitialized_subregs.
15629 * function.c (instantiate_virtual_regs): Make it static.
15630 * function.h: Remove the prototype for
15631 instantiate_virtual_regs.
15633 * regmove.c (regmove_optimize, combine_stack_adjustments):
15635 * rtl.h: Remove the prototypes for regmove_optimize and
15636 combine_stack_adjustments.
15638 2006-01-17 Roger Sayle <roger@eyesopen.com>
15640 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15641 (size_cost): Encode costs in bytes so that a reg-reg addition is
15642 equivalent to COSTS_N_INSNS(1).
15643 (override_options): Use the size_cost.branch_cost as the default
15644 ix86_branch_cost when optimizing for size.
15646 2006-01-18 Ben Elliston <bje@au.ibm.com>
15648 * Makefile.in (D32PBIT_FUNCS): New.
15649 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15650 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15651 D64PBIT_FUNCS and D128PBIT_FUNCS.
15652 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15653 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15655 (decnumber_dep): Define.
15656 * doc/libgcc.texi (Decimal float library routines): New node.
15657 * config/dfp-bit.h, config/dfp-bit.c: New files.
15659 2006-01-18 Ben Elliston <bje@au.ibm.com>
15661 * expr.c (emit_move_change_mode): Always adjust addresses, not
15662 just during reload. Copy replacements only during reload.
15663 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15664 emit_move_via_integer.
15666 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15668 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15669 instead of $(srcdir) and ${srcdir}.
15671 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15674 PR middle-end/11135
15675 * arm.h (struct machine_function): Add pic_reg.
15676 * arm.c (arm_pic_register): Make unsigned.
15677 (arm_override_options): Only set arm_pic_register if
15678 TARGET_SINGLE_PIC_BASE.
15679 (use_return_insn): Only test for a pic register if it is fixed.
15680 (arm_compute_save_reg0_reg12_mask): Likewise.
15681 (thumb_compute_save_reg_mask): Likewise.
15682 (legitimate_pic_operand): Factor out some known invariants.
15683 (legitimize_pic_address): If we don't have a fixed pic register,
15684 then set up a pseudo in the function entry sequence. Handle the
15685 pic base being in a pseudo.
15686 (arm_load_pic_register): Handle the pic register being in a pseudo.
15687 (arm_expand_prologue): Only set up the pic register if it is fixed.
15688 (thumb_expand_prologue): Likewise.
15689 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15690 (pic_load_addr_based_insn): Likewise.
15691 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15694 2006-01-18 Ben Elliston <bje@au.ibm.com>
15696 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15697 decimal float modes for all floating point registers.
15699 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15700 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15702 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15705 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15706 even when the pointer is not NULL.
15708 2006-01-16 Ian Lance Taylor <ian@airs.com>
15710 * common.opt (ftoplevel-reorder): New option.
15711 * cgraph.c (cgraph_asm_nodes): New global variable.
15712 (cgraph_asm_last_node): New static variable.
15713 (cgraph_order): New global variable.
15714 (cgraph_create_node): Set new order field.
15715 (cgraph_varpool_node): Likewise.
15716 (decide_is_variable_needed): Return true if not
15717 flag_toplevel_reorder.
15718 (cgraph_add_asm_node): New function.
15719 * cgraph.h (struct cgraph_node): Add order field.
15720 (struct cgraph_varpool_node): Add order field.
15721 (struct cgraph_asm_node): Define.
15722 (cgraph_asm_nodes, cgraph_order): Declare.
15723 (cgraph_add_asm_node): Declare.
15724 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15726 (cgraph_varpool_assemble_pending_decls): Call it.
15727 (cgraph_output_pending_asms): New static function.
15728 (cgraph_finalize_compilation_unit): Call it.
15729 (struct cgraph_order_sort): Define.
15730 (cgraph_output_in_order): New static function.
15731 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15732 !flag_toplevel_reorder case.
15733 * c-parser.c: Include "cgraph.h".
15734 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15736 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15737 than -fno-unit-at-a-time.
15738 * doc/invoke.texi (Option Summary): Mention
15739 -fno-toplevel-reorder.
15740 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15741 -funit-at-a-time documentation.
15743 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15744 Kazu Hirata <kazu@codesourcery.com>
15746 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15748 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15750 * Makefile.in (FUNCTION_H): New. Use it instead of
15751 function.h throughout the file.
15752 * function.h: Include tree.h.
15754 2006-01-17 Ben Elliston <bje@au.ibm.com>
15756 * recog.c: Separate some functions with whitespace.
15758 2006-01-16 Richard Henderson <rth@redhat.com>
15760 Merge from gomp branch:
15761 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15762 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15763 and rename from struct inline_data. Rename callee* to dst*;
15764 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15765 transform_new_cfg, transform_return_to_modify, and
15766 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15768 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15769 (copy_decl_for_dup): Remove.
15770 * tree-inline.c (struct inline_data): Move to header.
15771 (insert_decl_map): Export.
15772 (remap_decl): Update for member name changes. Use copy_decl hook.
15773 Allow for replacement to be a non-decl. Remove dead code.
15774 (remap_type_1): Check for existing mapping.
15775 (remap_type): Export.
15776 (remap_decls): Update for member name changes.
15777 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15778 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15779 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15780 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15781 (tree_function_versioning, build_duplicate_type): Likewise.
15782 (copy_body_r): Likewise. Export.
15783 (copy_decl_for_dup): Split into ...
15784 (copy_decl_for_dup_finish, copy_decl_to_var,
15785 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15786 (replace_ref_tree, inlining_p): Remove.
15788 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15790 * ifcvt.c (if_convert): Make it static.
15791 * rtl.h: Remove the prototype for if_convert.
15793 * local-alloc.c (local_alloc): Make it static.
15794 * rtl.h: Remove the prototype for local_alloc.
15796 * loop.c (loop_optimize): Make it static.
15797 * cfgloop.h: Remove the prototype for loop_optimize.
15800 2006-01-16 DJ Delorie <dj@redhat.com>
15802 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15805 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15807 * pa.md: Disparage copies between general and floating-point registers
15808 in 32-bit move patterns.
15810 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15813 * Makefile.in (check-%): Depend on site.exp instead of
15814 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15819 * global.c (global_alloc): Make it static.
15820 * rtl.h: Remove the prototype for global_alloc.
15822 2006-01-16 Richard Guenther <rguenther@suse.de>
15824 * tree-ssa-alias.c (struct used_part): Add write_only field.
15825 (get_or_create_used_part_for): Initialize it to true.
15826 (create_overlap_variables_for): Don't create structure variables
15827 for structures that only are written to.
15828 (find_used_portions): Handle MODIFY_EXPR to track whether a
15829 structure is only written to.
15831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15833 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15835 * basic-block.h: Remove the prototype for
15836 partition_hot_cold_basic_blocks.
15838 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15840 * cppspec.c (lang_specific_spec_functions): Remove.
15841 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15842 * gcc.h (lang_specific_spec_functions): Remove.
15843 * gccspec.c (lang_specific_spec_functions): Remove.
15845 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15847 * combine.c (record_value_for_reg): Invalidate registers
15849 (record_dead_and_set_regs_1): Likewise, by passing them to
15850 record_value_for_reg.
15851 (record_dead_and_set_regs): Invalidate stores made by a
15852 call. We do not combine across a call, but we still
15853 relied on equivalences.
15855 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15857 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15858 vrp_int_const_binop returning non-constant nodes.
15860 2006-01-16 Paul Brook <paul@codesourcery.com>
15862 * config/m68k/m68k.c (output_move_const_into_data_reg):
15863 Output correct mnemonic for mvz and mvs.
15865 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15867 * rtl-factoring.c: Add sequence abstraction algorithm.
15868 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15869 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15871 (block_has_preserve_label): New function.
15872 * common.opt: Register new pass.
15873 * Makefile.in: Ditto.
15875 * timevar.def: Ditto.
15876 * tree-pass.h: Ditto.
15877 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15878 * rtl.h (make_jump_insn_raw): Add forward decl.
15879 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15881 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15882 Roger Sayle <roger@eyesopen.com>
15884 * fold-const.c (fold_minmax): New static function.
15885 (fold_binary) <MIN_EXPR>: Call it.
15886 <MAX_EXPR>: Likewise.
15887 * stor-layout.c (place_field): Use DECL_SIZE consistently
15888 in the computation of the new record size.
15890 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15892 * cse.c (cse_condition_code_reg): Make it static.
15893 * rtl.h: Remove the prototype for cse_condition_code_reg.
15895 * combine.c (combine_instructions): Make it static.
15896 * rtl.h: Remove the prototype for combine_instructions.
15898 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15901 * tree.c (get_file_function_name_long): Concatenate the first global
15902 object name with a string derived from the input filename of the object
15905 2006-01-16 Ben Elliston <bje@au.ibm.com>
15907 * config/i386/winnt-stubs.c: Update FSF address.
15908 * config/xtensa/ieee754-df.S: Ditto.
15909 * config/xtensa/ieee754-sf.S: Ditto.
15911 2006-01-14 Ian Lance Taylor <ian@airs.com>
15913 * ifcvt.c (noce_init_if_info): New static function, broken out of
15914 noce_process_if_block.
15915 (noce_process_if_block): Call noce_init_if_info.
15916 (check_cond_move_block): New static function.
15917 (cond_move_process_if_block): New static function.
15918 (process_if_block): Call cond_move_process_if_block.
15920 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15922 * cselib.c (hash_table): Rename to cselib_hash_table.
15923 (cselib_clear_table, discard_useless_values,
15924 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15925 cselib_init, cselib_finish): Adjust uses of hash_table.
15927 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15929 PR tree-optimization/25485
15930 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15931 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15932 is known to be false and true, respectively.
15934 2006-01-14 Richard Guenther <rguenther@suse.de>
15936 PR tree-optimization/22548
15937 PR tree-optimization/22555
15938 PR tree-optimization/22501
15939 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15940 * params.def (salias-max-array-elements): New parameter.
15941 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15942 * doc/invoke.texi (salias-max-array-elements): Document.
15943 * tree-flow-inline.h (var_can_have_subvars): We also handle
15945 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15947 * tree-ssa-structalias.c (params.h): Include.
15948 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15949 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15950 (get_constraint_for): For ADDR_EXPR operating on something
15951 containing an ARRAY_REF, add all subvars to the solution.
15952 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15953 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15954 for creating MUST_DEFs.
15955 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15957 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15959 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15961 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15962 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15963 number_of_iterations_le): New functions.
15964 (number_of_iterations_special): Removed.
15965 (number_of_iterations_exit): Do not use number_of_iterations_special.
15966 * tree.c (unsigned_type_for): Always return integer type.
15968 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15969 Richard Guenther <rguenther@suse.de>
15971 PR rtl-optimization/24257
15972 * gcse.c (find_moveable_store): Only consider a store movable
15973 when the SET_SRC of the insn can be assigned to a register.
15975 2006-01-14 Ian Lance Taylor <ian@airs.com>
15977 * tree.c (tree_not_class_check_failed): New function.
15978 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15979 (tree_not_class_check_failed): Declare.
15981 2006-01-13 Ian Lance Taylor <ian@airs.com>
15983 * reload1.c (do_output_reload): Add assertion rejecting a
15986 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15988 * combine.c (struct reg_stat): Add new fields truncation_label and
15990 (record_value_for_reg): Reset truncated_to_mode.
15991 (record_truncated_value): New function.
15992 (check_promoted_subreg): Call it. Rename to check_conversions.
15993 (combine_instructions): Rename check_promoted_subreg to
15995 (reg_truncated_to_mode): New function.
15996 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15997 (gen_lowpart_or_truncate): New function.
15998 (force_to_mode): Use it instead of gen_lowpart.
16000 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16002 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16003 VAR is a tag, not its type tag.
16005 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16007 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16008 alternatives to match style of other entries.
16009 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16011 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16013 PR tree-optimization/25771
16014 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16017 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16020 * tree-inline.c (declare_return_variable): If the return variable
16021 was marked as a non gimple complex, set the return slot variable
16022 to be a non gimple comple variable.
16024 2006-01-13 Richard Guenther <rguenther@suse.de>
16026 * builtins.c (expand_builtin_sincos): New function.
16027 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16029 (expand_builtin): Expand sincos using expand_builtin_sincos.
16031 2006-01-12 DJ Delorie <dj@redhat.com>
16033 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16034 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16035 so that constant shifts can be split.
16036 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16037 (m32c_valid_pointer_mode): Make static.
16038 (shift_gen_func_for): New.
16039 (m32c_prepare_shift): Use it. Split large const shifts into
16041 * config/m32c/predicates.md (shiftcount_operand): Allow more
16043 (longshiftcount_operand): New.
16044 * doc/md.texi (Machine Constraints): Document In6.
16046 2006-01-13 Ben Elliston <bje@au.ibm.com>
16048 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16049 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16052 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16054 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16055 to try to avoid clobbering pieces of structures when we know
16056 something about the whole structure.
16057 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16059 2006-01-13 Ben Elliston <bje@au.ibm.com>
16061 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16062 return in memory, as this is no limitation is no longer present.
16064 2006-01-12 DJ Delorie <dj@redhat.com>
16066 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16067 mova with fb, and for fb+0 -> An.
16069 * config/m32c/mov.md (peephole2): Fix enabling logic.
16071 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16072 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16073 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16074 FINI_ARRAY_SECTION_ASM_OP): Define.
16076 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16078 (m32c_legitimize_reload_address): New logic to reload FB to An.
16079 (m32c_output_reg_push): Add newline.
16080 (m32c_output_reg_pop): Likewise.
16082 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16084 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16086 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16088 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16090 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16092 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16095 2006-01-11 Ben Elliston <bje@au.ibm.com>
16097 * rtlanal.c (find_reg_note): Assert insn is not null.
16099 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16101 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16104 2006-01-11 Jeff Law <law@redhat.com>
16106 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16108 (mark_threaded_blocks, register_jump_thread): New functions.
16109 (thread_through_all_blocks): Remove unwanted argument. No
16110 longer rely on e->aux to communicate thread target info.
16111 Call mark_threaded_blocks. Release the threaded_blocks
16112 bitmap and threaded_edges vector when complete.
16113 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16114 (threaded_blocks): Remove.
16115 (tree_ssa_dominator_optimize): Remove initialization and
16116 finalization of threaded_blocks. Simplify call to
16117 thread_through_all_blocks.
16118 (thread_across_edge): Call register_jump_thread rather than
16119 storing thread information into e->aux.
16120 (free_all_edge_infos): Simplify now that e->aux is no longer
16121 used to communicate with thread_through_all_blocks.
16122 * tree-flow.h (thread_through_all_blocks): Update prototype.
16123 (register_jump_thread): Prototype.
16125 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16127 * df-core.c (df_compact_blocks, df_bb_replace): Use
16128 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16130 2006-01-11 Richard Guenther <rguenther@suse.de>
16132 PR tree-optimization/25734
16133 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16134 stop propagation after successful propagation to the LHS.
16136 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16138 * basic-block.h (control_flow_graph): Change the type of
16139 x_basic_block_info to VEC(basic_block,gc) *.
16140 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16142 (SET_BASIC_BLOCK): New.
16143 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16144 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16145 * cfgbuild.c (find_basic_blocks): Likewise.
16146 * cfglayout.c (fixup_reorder_chain): Likewise.
16147 * cfgrtl.c (create_basic_block_structure,
16148 rtl_create_basic_block): Likewise.
16149 * ifcvt.c (find_if_case_1): Likewise.
16150 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16153 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16155 * Makefile.in: Removed rotted odf.c entry.
16157 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16160 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16161 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16162 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16163 output pattern modifier, not %e.
16164 * config/cris/cris.c (cris_op_str): Update comment about pattern
16166 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16167 before falling through into...
16168 <case 'E'>: Redefined from old 'e' case.
16170 2006-01-11 Jan Hubicka <jh@suse.cz>
16173 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16175 2006-01-11 Jan Hubicka <jh@suse.cz>
16177 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16178 * i386.c (x86_decompose_lea): Kill.
16179 (ix86_rtx_costs): Kill.
16181 2006-01-11 Jan Hubicka <jh@suse.cz>
16183 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16184 * cgraph.h (cgraph_node): Add inline_decl.
16185 (cgraph_insert_node_to_hashtable): Declare.
16186 (save_inline_function_body): Declare.
16187 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16189 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16190 (cgraph_function_versioning): Update call of tree_function_versioning.
16191 (save_inline_function_body): New function.
16192 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16193 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16194 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16195 (cgraph_default_inline_p): Likewise.
16196 (cgraph_decide_inlining_incrementally): Likewise.
16197 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16198 (copy_bb): Kill saving; do updating of clones.
16199 (copy_cfg_body): Kill saving.
16200 (initialize_inlined-parameters): Likewise.
16201 (expand_call_inline): Likewise.
16203 (tree_function_versioning): New parameter "update_clones".
16204 (inlining_p): Kill saving.
16205 * tree-inline.h (tree_function_versioning): Update prototype.
16206 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16209 2006-01-11 Ian Lance Taylor <ian@airs.com>
16211 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16212 Allow undoing set of machine mode.
16213 (do_SUBST): Use enums instead of is_int.
16214 (do_SUBST_MODE): New function.
16215 (SUBST_MODE): New macro.
16216 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16217 reg and trying to replace reg_regno_rtx with a new register.
16218 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16219 (simplify_set): Use SUBST_MODE.
16220 (distribute_notes): Remove code that tried to update reg notes
16221 for regno_reg_rtx changes.
16223 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16225 PR tree-optimization/23109
16226 PR tree-optimization/23948
16227 PR tree-optimization/24123
16229 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16230 * tree-cfg.c (single_noncomplex_succ): New.
16231 * tree-flow.h (single_noncomplex_succ): Declare it.
16232 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16233 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16234 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16235 insert_bb, register_division_in, insert_reciprocals,
16236 replace_reciprocal, free_bb): New.
16237 (execute_cse_reciprocals_1): Rewritten.
16238 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16239 Do not commit any edge insertion. Always compute dominators and
16240 create the allocation pool.
16241 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16242 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16243 * targhooks.c (default_min_divistions_for_recip_mul): New.
16244 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16245 * passes.c (init_optimization_passes): Run recip after tree loop
16247 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16249 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16250 Kenneth Zadeck <zadeck@naturalbridge.com>
16252 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16253 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16254 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16255 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16256 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16257 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16258 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16259 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16260 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16261 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16262 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16263 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16264 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16265 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16266 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16267 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16268 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16269 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16270 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16271 DF_SCAN_POST_ALLOC): New macros.
16272 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16273 df_free_bb_function, df_local_compute_function, df_init_function,
16274 df_dataflow_function, df_confluence_function_0,
16275 df_confluence_function_n, df_transfer_function,
16276 df_finalizer_function, df_free_function, df_dump_problem_function,
16277 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16278 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16279 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16280 df_urec_bb_info, ) New types.
16281 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16283 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16284 df_analyze_simple_change_some_blocks,
16285 df_analyze_simple_change_one_block, df_compact_blocks,
16286 df_bb_replace, df_bb_regno_last_use_find,
16287 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16288 df_insn_regno_def_p, df_find_def, df_find_use,
16289 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16290 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16291 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16292 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16293 debug_df_chain, df_get_dependent_problem, df_chain_create,
16294 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16295 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16296 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16297 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16298 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16299 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16300 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16301 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16302 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16303 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16304 df_reorganize_refs, df_set_state, df_hard_reg_init,
16305 df_read_modify_subreg_p) New public functions.
16306 * df-core.c: The core dataflow solver and glue routines for rtl
16308 (df_init, df_add_problem, df_set_blocks, df_finish,
16309 df_hybrid_search_forward, df_hybrid_search_backward,
16310 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16311 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16312 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16313 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16314 df_reg_defined, df_find_use, df_reg_used, df_dump,
16315 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16316 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16317 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16318 debug_df_useno, reset_df_after_reload): New functions.
16319 * df-scan.c: The scanning fuctions, once in df.c, completely
16320 rewritten so that they now fully model the functionality of
16321 register usage at the backend.
16322 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16323 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16324 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16325 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16326 df_get_artificial_defs, df_get_artificial_uses,
16327 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16328 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16329 df_refs_delete, df_reorganize_refs, df_set_state,
16330 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16331 df_def_record_1, df_defs_record, df_uses_record,
16332 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16333 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16334 df_record_exit_block_uses, df_hard_reg_init): New functions.
16336 * df-problems.c: Seven concrete dataflow problems that use the
16337 scanning in df-scan.c and are solved by the engine in df-core.c.
16338 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16339 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16340 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16341 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16342 df_ru_free_bb_info, df_ru_alloc,
16343 df_ru_bb_local_compute_process_def,
16344 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16345 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16346 df_ru_transfer_function, df_ru_free, df_ru_dump,
16347 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16348 df_rd_free_bb_info, df_rd_alloc,
16349 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16350 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16351 df_rd_transfer_function, df_rd_free, df_rd_dump,
16352 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16353 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16354 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16355 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16356 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16357 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16358 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16359 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16360 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16361 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16362 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16363 df_urec_mark_reg_use_for_earlyclobber,
16364 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16365 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16366 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16367 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16368 df_chain_create_bb_process_use, df_chain_create_bb,
16369 df_chain_finalize, df_chain_free, df_chains_dump,
16370 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16371 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16372 df_reg_lifetime): New functions.
16373 * df.c: Deleted file.
16374 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16375 consistent with new df api.
16376 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16377 rest_of_handle_sms): Ditto.
16378 * web.c (unionfind_union, union_defs, entry_register, web_main):
16380 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16381 invariant_expr_equal_p, find_defs, check_dependencies,
16382 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16383 free_inv_motion_data, move_loop_invariants): Ditto.
16384 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16385 Update dependencies.
16386 (odf.c): Added defective entry that was deleted later in day.
16387 * sched-deps.c (sched_analyze_1): Ditto.
16389 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16391 * tree-ssa-operands.c (get_expr_operands): Record addressable
16392 variables directly. Do not call add_stmt_operands for CONST_DECLs
16394 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16395 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16397 2006-01-11 Ben Elliston <bje@au.ibm.com>
16399 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16400 function returns true in the positive case.
16402 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16405 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16406 for SI, DI, SF and DF modes. Add alternatives to copy between
16407 general and floating point registers to the 32-bit patterns.
16408 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16409 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16410 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16411 generating 64-bit code.
16412 * config/pa/pa.c (output_move_double): Handle copies between general
16413 and floating registers.
16415 2006-01-10 Stuart Hastings <stuart@apple.com>
16417 * config/i386/i386.md (set_got): Update.
16418 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16419 (builtin_setjmp_receiver): Mach-O support.
16420 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16421 (GOT_SYMBOL_NAME): Define.
16422 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16423 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16424 * config/i386/i386.c (override_options): Revise for Darwin.
16425 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16426 support. (darwin_x86_file_end): New. (output_set_got): Add label
16427 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16428 * config/i386/i386-protos.h (output_set_got): Likewise.
16429 * config/darwin.c (machopic_legitimize_pic_address): Update
16432 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16434 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16435 when MODE isn't BLKmode.
16437 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16439 PR rtl-optimization/25367
16440 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16442 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16445 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16446 for a negative bound.
16448 2006-01-10 Richard Guenther <rguenther@suse.de>
16450 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16451 Never override with anything constraint.
16453 2006-01-10 Jan Beulich <jbeulich@novell.com>
16455 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16456 256 bits when optimize_size.
16458 2006-01-10 Jan Beulich <jbeulich@novell.com>
16460 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16462 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16463 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16466 2006-01-10 Ben Elliston <bje@au.ibm.com>
16468 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16470 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16471 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16472 (USE_FP_FOR_ARG): Reject decimal float modes.
16473 (function_arg_advance): Likewise.
16474 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16475 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16476 point types in AltiVec vectors.
16477 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16478 (rs6000_libcall_value): Likewise.
16480 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16482 * config/xtensa/ieee754-df.S: New file.
16483 * config/xtensa/ieee754-sf.S: New file.
16484 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16485 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16486 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16488 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16490 * config/sh/predicates.md (binary_float_operator,
16491 binary_logical_operator, commutative_float_operator,
16492 equality_comparison_operator, greater_comparison_operator,
16493 less_comparison_operator, logical_operator,
16494 noncommutative_float_operator, shift_operator,
16495 symbol_ref_operand, unary_float_operator): Remove redundant
16498 2006-01-09 Jeff Law <law@redhat.com>
16500 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16501 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16502 now unused arguments. Callers updated.
16503 (eliminate_redundant_computations): Remove now unused arguments,
16505 (local_fold): Remove, no longer used.
16506 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16508 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16509 (simplify_cond): New function.
16510 (forward_propagate_into_cond): Call simplify_cond.
16512 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16514 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16515 (*vec_extractv2di_1_sse): New.
16517 2006-01-09 Ben Elliston <bje@au.ibm.com>
16519 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16521 2006-01-08 Richard Guenther <rguenther@suse.de>
16523 * tree-ssa-structalias.c (get_constraint_for): Remove
16524 anyoffset argument.
16525 (get_constraint_for_component_ref): Likewise.
16526 (do_deref): Likewise.
16527 (get_constraint_for): Likewise.
16528 (do_structure_copy): Likewise.
16529 (handle_ptr_arith): Likewise.
16530 (find_func_aliases): Likewise. Remove unused need_anyoffset
16533 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16534 Kaz Kojima <kkojima@gcc.gnu.org>
16536 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16537 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16538 (EXTRA_CONSTRAINT_C16): Remove.
16539 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16540 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16541 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16542 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16543 constants of SHmedia. Handle nested constant expressions of
16545 (andcosts): Fix the costs for SHmedia constants.
16546 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16547 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16548 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16549 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16550 (movv4hi_i, movv2si_i): Likewise.
16551 (movsi_const): Adjust the second operand of ior so to match with
16552 the Csu constraint.
16553 (movdi_const, movdi_const_32bit): Likewise.
16554 (movdi_const_16bit+1): Don't sign-extend LOW.
16555 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16557 (*double_shori): Fix the split condition. Use GEN_INT instead
16558 of get_int_mode calls. Mask lower 16-bit of the argument of
16560 (sym2GOTPLT): Remove.
16561 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16563 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16564 instead of EXTRA_CONSTRAINT_C16.
16566 2006-01-07 Ian Lance Taylor <ian@airs.com>
16567 David Edelsohn <edelsohn@gnu.org>
16569 PR rtl-optimization/25662
16570 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16571 for constant operands instead of simplify_gen_binary.
16572 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16573 after trying simplify_binary_operation
16575 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16577 * tree.c (iterative_hash_expr): Hash decls based on UID.
16579 2006-01-06 Eric Christopher <echristo@apple.com>
16581 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16582 (TARGET_UNWIND_EMIT): Fix spelling.
16583 * target.h (gcc_target): Add except_table_label.
16584 * except.c (output_function_exception_table): Use.
16585 * varasm.c (default_emit_except_table_label): New.
16586 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16588 (asm_out): Add here.
16589 * output.h (default_emit_except_table_label): Prototype.
16590 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16591 * config/darwin.c (darwin_emit_except_table_label): Define.
16592 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16594 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16596 PR tree-optimization/18527
16597 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16598 number_of_iterations_special, number_of_iterations_exit):
16599 Move base and step of an iv to a single structure. Add
16600 no_overflow flag, and use it in # of iterations analysis.
16601 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16602 folded_casts argument.
16603 (simple_iv): Pass base and step in a structure. Set no_overflow
16605 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16606 Evaluate expensiveness of computing # of iterations instead of
16607 the final expression.
16608 * tree-scalar-evolution.h (affine_iv): New structure.
16609 (simple_iv): Declaration changed.
16610 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16611 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16612 find_givs_in_stmt): Changed due to simple_iv change.
16614 2006-01-06 Jeff Law <law@redhat.com>
16617 * tree-cfg.c (bsi_replace): Rename final argument from
16618 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16619 change (stmt -> orig_stmt).
16620 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16621 (bsi_remove): Add new argument. Remove EH information
16623 (verify_eh_throw_table_statements): New function.
16624 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16626 * tree-optimize.c (execute_free_cfg_annotations): Verify
16627 the EH throw statement table after removing annotations.
16628 * except.h (verify_eh_throw_table_statements): Prototype.
16629 * tree-flow.h (bsi_remove): Update prototype.
16630 * tree-vrp.c (remove_range_assertions): Add new argument to
16632 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16633 * tree-complex.c (expand_complex_div_wide): Likewise.
16634 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16635 * tree-tailcall.c (eliminate_tailcall): Likewise.
16636 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16637 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16638 * tree-nrv.c (tree_nrv): Likewise.
16639 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16640 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16641 (combine_blocks): Likewise.
16642 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16643 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16644 (cleanup_control_flow): Likewise.
16645 (remove_forwarder_block): Likewise.
16646 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16647 * tree-sra.c (sra_replace): Likewise.
16648 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16649 (forward_propagate_single_use_vars): Likewise.
16650 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16651 * tree-inline.c (expand_call_inline): Likewise.
16652 * tree-vect-transform.c (vect_transform_loop): Likewise.
16653 * tree-outof-ssa.c (rewrite_trees): Likewise.
16654 * tree-cfg.c (make_goto_expr_edges): Likewise.
16655 (cleanup_dead_labels): Likewise.
16656 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16657 (bsi_move_before, bsi_move_after): Likewise.
16658 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16659 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16661 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16664 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16666 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16667 on non gimple variables. Also add checks at the top for decls and
16669 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16671 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16672 and IMAGPART_EXPR for creating MUST_DEFs.
16673 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16674 and NAME_MEMORY_TAG separately from the DECLs.
16676 2006-01-06 Richard Guenther <rguenther@suse.de>
16678 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16679 annotation, if necessary.
16680 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16681 redundant calls to update_stmt.
16682 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16685 2006-01-05 Richard Henderson <rth@redhat.com>
16687 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16689 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16691 * c-typeck.c: Update copyright date.
16693 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16695 * c-typeck.c (build_c_cast): Always warn when casting
16696 from a pointer to an integer of different size, even if
16697 the node was constant.
16699 2006-01-05 Richard Guenther <rguenther@suse.de>
16701 PR tree-optimization/22555
16702 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16703 if one structure field is an array.
16704 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16705 operands even if we found a subvar, but ignore VOPs in this
16707 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16709 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16711 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16713 PR middle-end/24998
16714 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16716 2006-01-05 Richard Guenther <rguenther@suse.de>
16717 Diego Novillo <dnovillo@redhat.com>
16719 * tree-pass.h (TODO_remove_unused_locals): Define.
16720 * gimple-low.c (expand_var_p, remove_useless_vars,
16721 pass_remove_useless_vars): Remove. Update all users.
16722 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16723 (remove_unused_locals): New function.
16724 * tree-flow.h (remove_unused_locals): Declare.
16725 * passes.c (execute_todo): Call remove_unused_locals if
16726 TODO_remove_unused_locals is set.
16727 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16728 * tree-ssa-dce.c (pass_dce): Likewise.
16729 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16731 2006-01-05 Richard Guenther <rguenther@suse.de>
16733 * tree-flow.h (struct fieldoff): Decompose field to
16734 type, size and decl.
16735 * tree-ssa-alias.c (create_sft): Take type as parameter.
16736 (create_overlap_variables_for): Store type, size and decl
16737 in the fieldoff structure.
16738 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16739 of struct fieldoff.
16740 (push_fields_onto_fieldstack): Likewise.
16741 (create_variable_info_for): Likewise. Use offset for the
16742 SFT name if the decl is not available.
16744 2006-01-04 Paul Brook <paul@codesourcery.com>
16746 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16748 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16750 * lambda-code.c (can_put_in_inner_loop): Relax
16752 (can_put_after_inner_loop): New function.
16753 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16754 (perfect_nestify): Change to make copies and modify uses.
16756 2006-01-04 Richard Henderson <rth@redhat.com>
16758 Merge from gomp branch:
16759 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16760 via integer constant.
16761 (pragma_lex): Remove.
16762 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16763 rather than parsing it.
16764 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16765 handle_pragma_extern_prefix): Add %< %> quotes.
16766 (registered_pragmas): New.
16767 (c_register_pragma_1): New.
16768 (c_register_pragma): Use it.
16769 (c_register_pragma_with_expansion): Likewise.
16770 (c_invoke_pragma_handler): New.
16771 (init_pragma): Use cpp_register_deferred_pragma directly for
16773 * c-pragma.h (enum pragma_kind): New.
16774 (pragma_handler): New.
16775 (c_invoke_pragma_handler): Declare.
16776 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16778 * c-common.h (c_common_pch_pragma): Update decl.
16779 * Makefile.in (c-parser.o): Update dependencies.
16780 (GTFILES): Add c-pragma.h.
16781 * c-parser.c (struct c_token): Add pragma_kind.
16782 (struct c_parser): Add in_pragma.
16783 (c_lex_one_token): Always initialize keyword and pragma_kind.
16784 Extract data for CPP_PRAGMA.
16785 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16786 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16787 Don't allow CPP_PRAGMA_EOL if in_pragma.
16788 (c_parser_consume_pragma): New.
16789 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16790 (c_parser_skip_to_end_of_parameter): Likewise.
16791 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16792 (c_parser_skip_to_pragma_eol): New.
16793 (c_parser_external_declaration): Handle CPP_PRAGMA.
16794 (c_parser_compound_statement_nostart): Likewise.
16795 (c_parser_statement_after_labels): Likewise.
16796 (c_parser_pragma): New.
16797 (pragma_lex): Likewise.
16798 (c_parser_pragma_pch_preprocess): New.
16799 (c_parser_new): Merge into ...
16800 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16802 2006-01-04 Jeff Law <law@redhat.com>
16805 * tree-cfg.c (bsi_replace): Remove the original statement
16806 from the EH throw statement table.
16808 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16810 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16811 make the prototype extern "C" and add throw ().
16814 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16815 and pos non-negative and pos + len <= 32.
16816 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16817 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16818 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16821 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16822 as well as sizes not multiple of component size.
16825 * function.c (instantiate_expr): New function.
16826 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16827 walk its DECL_VALUE_EXPR with instantiate_expr.
16829 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16830 DW_OP_deref{,_size} if address isn't going to be added.
16832 2006-01-04 Ben Elliston <bje@au.ibm.com>
16834 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16835 * config/fp-bit.c: Likewise.
16837 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16839 * dominance.c: Add comment about why we use DFS numbering
16842 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16843 Richard Henderson <rth@redhat.com>
16845 Merge from gomp-branch:
16846 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16847 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16849 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16851 PR rtl-optimization/25578
16852 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16853 pass a parameter to simplify_shift_const if changing ASHIFTRT
16856 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16858 * builtins.c (get_builtin_sync_mem): New function.
16859 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16860 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16861 Call get_builtin_sync_mem to generate mem rtx.
16863 2006-01-03 Richard Guenther <rguenther@suse.de>
16866 * stmt.c (add_case_node): Make sure to clear overflow flags
16869 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16871 Merge from gomp-branch.
16872 * config/sparc/sync.md: New file.
16873 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16874 UNSPECV_LDSTUB): New constants.
16875 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16876 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16877 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16880 2006-01-03 Roger Sayle <roger@eyesopen.com>
16882 * combine.c (reg_subword_p): New predicate to test whether the
16883 destination of a set refers to a subword/piece of a register.
16884 (try_combine): Generalize the code to merge the setting of a
16885 pseudo to a constant followed by a set of a subword of that
16886 register to a constant.
16888 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16890 * basic-block.h (control_flow_graph): Change the type of
16891 x_label_to_block_map to VEC(basic_block,gc) *.
16892 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16893 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16895 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16896 VEC(basic_block,heap) *.
16897 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16898 ssa_prop_fini): Adjust the uses of cfg_blocks.
16900 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16902 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16904 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16905 hashing trees instead of a pointer hash.
16906 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16907 compare for MEM_EXPR.
16909 PR rtl-optimization/25130
16910 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16911 when comparing MEMs for GCSE
16913 2006-01-03 Ben Elliston <bje@au.ibm.com>
16915 * targhooks.h (default_decimal_float_supported_p): Declare.
16916 * targhooks.c (default_decimal_float_supported_p): Define.
16917 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16918 `default_decimal_float_supported_p'.
16919 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16921 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16923 * combine.c (apply_distributive_law <SUBREG>): Check
16924 TRULY_NOOP_TRUNCATION.
16926 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16928 * dwarf2out.c (have_switched_text_section): Delete.
16929 (have_multiple_function_sections): New.
16930 (have_location_lists): Make 'bool'.
16931 (add_AT_loc_list): Use 'true' not '1'.
16932 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16933 (output_loc_list): Use have_multiple_function_sections.
16934 (output_ranges): Likewise.
16935 (dwarf2out_begin_function): Set have_multiple_function_sections if
16937 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16938 Check function_section rather than DECL_SECTION_NAME.
16939 (dwarf2out_finish): Use have_multiple_function_sections.
16940 Don't clear have_location_lists.
16942 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16943 Jan Hubicka <jh@suse.cz>
16945 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16946 case of conditional jump jumping to the next instruction.
16947 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16948 cases of conditional jump jumping to the next instruction.
16950 2006-01-02 Jan Hubicka <jh@suse.cz>
16952 * i386.c (*_cost): Add COSTS_N_INSNS.
16953 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16955 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16958 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16960 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16962 * config/arm/arm.c (all_fpus): Fix comment typo.
16963 * config/darwin.c: Likewise.
16964 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16965 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16966 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16968 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16970 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16971 (rs6000_split_compare_and_swapqhi): New.
16972 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16973 (sync_compare_and_swapqhi_internal): New.
16974 * config/rs6000/rs6000-protos.h: Declare.