1 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3 * opts.c (decode_options): Disable CSE skip blocks.
5 2006-10-30 Dirk Mueller <dmueller@suse.de>
7 * c-common.h (strict_aliasing_warning): Fix whitespace.
8 * c-decl (start_function): Move code for main decl warning ..
9 * c-common.c (check_main_parameter_types): .. here.
10 * c-common.h (check_main_parameter_types): Declare.
12 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
17 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
19 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
20 be a PARALLEL containing sets. Return false when out_pat is not
23 2006-10-30 Richard Sandiford <richard@codesourcery.com>
25 * config/mips/mips.md (mul<mode>3): Split into...
26 (mulsi3, muldi3): ...these separate patterns.
28 2006-10-30 Richard Sandiford <richard@codesourcery.com>
30 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
31 but with each set of options separated by spaces.
33 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
35 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
36 dwarf_reg_size_table has been initialized.
38 2006-10-30 Roger Sayle <roger@eyesopen.com>
40 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
41 * ddg.c (print_ddg_edge): Likewise.
42 * dwarf2out.c (prune_unused_types_walk): Likewise.
43 * ifcvt.c (noce_try_cmove_arith): Likewise.
44 * langhooks.c (add_builtin_function): Likewise.
45 * reg-stack.c (subst_stack_regs_pat): Likewise.
46 * tree.c (expanded_location): Likewise.
47 * tree-dump.c (dequeue_and_dump): Likewise.
49 2006-10-30 David Daney <ddaney@avtrex.com>
51 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
53 2006-10-30 Jakub Jelinek <jakub@redhat.com>
55 PR tree-optimization/29637
56 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
57 of the innertype is the innertype itself.
59 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
61 * dwarf2out.c (file_name_acquire): Correct typo.
63 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
65 * tree.h (tree_value_handle): Remove struct value_set declaration.
66 Change value_set to bitmap_set.
67 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
68 * tree-vn.c (get_value_handle): Made inline and moved to
70 * tree-flow-inline.h: (has_stmt_ann): New function.
71 * tree-ssa-pre.c (expressions): New variable.
72 (next_expression_id): Ditto.
73 (alloc_expression_id): New function.
74 (struct value_set): Remove.
75 (get_expression_id): New function.
76 (get_or_alloc_expression_id): Ditto.
77 (expression_for_id): Ditto.
78 (clear_expression_ids): Ditto.
79 (FOR_EACH_EXPR_ID_IN_SET): New macro.
80 (bb_value_sets): Renamed to bb_bitmap_sets.
81 All value sets replaced with bitmap_sets.
83 (BB_VISITED): New macro.
84 (postorder): New variable.
85 (add_to_value): Removed.
86 (value_exists_in_set_bitmap): Ditto.
87 (value_insert_into_set_bitmap): Ditto.
91 (set_contains_value): Ditto.
92 (insert_into_set): Ditto.
95 (bitmap_set_subtract_from_value_set): Ditto.
96 (value_insert_into_set): Ditto.
97 (print_value_set): Ditto.
98 (debug_value_set): Ditto.
99 (constant_expr_p): New function.
100 (bitmap_remove_from_set): Ditto.
101 (bitmap_insert_into_set): Ditto.
102 (bitmap_set_free): Ditto.
104 (sorted_array_from_bitmap_set): Ditto.
105 (bitmap_set_subtract): Ditto.
106 (bitmap_set_equal): Ditto.
107 (debug_bitmap_set): Ditto.
108 (find_leader_in_sets): Ditto.
109 (bitmap_set_replace_value): Modify for bitmapped sets.
110 (phi_translate): Ditto.
111 (phi_translate_set): Ditto.
112 (bitmap_find_leader): Ditto.
113 (valid_in_sets): Ditto.
114 (union_contains_value): Ditto.
116 (compute_antic_aux): Ditto. Mark changed blocks.
117 (compute_antic): Ditto. Iterate in postorder and only over
119 (compute_rvuse_and_antic_safe): Reuse postorder.
120 (create_component_ref_by_pieces): Modify for bitmapped sets.
121 (find_or_generate_expression): Ditto.
122 (create_expression_by_pieces): Ditto.
123 (insert_into_preds_of_block): Ditto.
124 (changed_blocks): New variable.
125 (do_regular_insertion): Broken out from insert_aux.
126 (insert_aux): Modified for bitmapped sets.
127 (find_existing_value_expr): New function.
128 (create_value_expr_from): Use it.
129 (insert_extra_phis): Removed.
130 (print_bitmap_set): Renamed from bitmap_print_value_set.
131 (compute_avail): Handle RETURN_EXPR.
132 (init_pre): Modify for bitmapped sets.
133 * tree-flow.h (has_stmt_ann): New function.
135 2006-10-29 Roger Sayle <roger@eyesopen.com>
137 * builtins.c (fold_builtin_floor): Check for the availability of
138 the C99 trunc function before transforming floor into trunc.
140 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
142 * builtins.c (fold_builtin_hypot): Rearrange recursive
143 transformation before others, and also do ABS_EXPR. When
144 necessary, check flag_unsafe_math_optimizations. When necessary,
147 2006-10-29 Roger Sayle <roger@eyesopen.com>
149 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
150 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
151 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
152 Fold -X eq/ne -Y as X eq/ne Y.
154 2006-10-29 Richard Sandiford <richard@codesourcery.com>
156 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
157 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
158 rather than GENERATE_MULT3_SI in the various define_peephole2s.
159 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
160 Use an inclusive test for "mult" rather than "mul".
161 (rotr<mode>3): Depend on ISA_HAS_ROR.
162 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
164 (GENERATE_MULT3_DI): Delete.
165 (ISA_HAS_64BIT_REGS): Use consistent formatting.
166 (ISA_HAS_MUL3): New macro.
167 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
168 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
169 (ISA_HAS_CLZ_CLO): Likewise.
170 (ISA_HAS_DCLZ_DCLO): Delete.
171 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
172 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
173 the VR4120 and VR4130.
174 (ISA_HAS_MACCHI): Use consistent formatting.
175 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
176 (ISA_HAS_ROR): ...this new macro.
177 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
178 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
179 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
181 2006-10-29 Roger Sayle <roger@eyesopen.com>
183 PR tree-optimization/15458
184 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
187 2006-10-29 Richard Guenther <rguenther@suse.de>
189 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
190 (ix86_expand_truncdf_32): Likewise.
191 * config/i386/i386.c (ix86_expand_trunc): New function expanding
192 trunc inline for SSE math and -fno-trapping-math and if not
194 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
195 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
196 for expanding btrunc inline for SSE math.
198 2006-10-29 Joseph Myers <joseph@codesourcery.com>
200 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
201 Handle tuning for bi-arch i[34567]86-*-linux* like that for
202 i[34567]86-*-solaris2.1[0-9]*.
203 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
204 Define conditionally depending on TARGET_64BIT_DEFAULT.
205 (SPEC_32, SPEC_64): Define.
206 (LINK_SPEC): Use them.
207 * doc/install.texi (--enable-targets=all): Document for x86-linux.
209 2006-10-29 Richard Guenther <rguenther@suse.de>
211 * config/i386/i386-protos.h (ix86_expand_round): Declare.
212 (ix86_expand_rounddf_32): Likewise.
213 * config/i386/i386.c (ix86_expand_round): New function expanding
214 round inline for SSE math and -fno-trapping-math and if not
216 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
217 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
218 round via ix86_expand_round.
220 2006-10-29 Richard Guenther <rguenther@suse.de>
222 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
223 (ix86_expand_floorceildf_32): Likewise.
224 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
225 static helper function.
226 (ix86_expand_floorceil): Expander for floor and ceil to SSE
228 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
229 * config/i386/i386.md (floordf2): Adjust to enable floor
230 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
231 -fno-trapping-math is enabled and if not optimizing for size.
232 (floorsf2, ceildf2, ceilsf2): Likewise.
233 * config/i386/sse.md (sse_maskcmpsf3): New insn.
234 (sse2_maskcmpdf3): Likewise.
236 2006-10-29 Richard Guenther <rguenther@suse.de>
238 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
239 rint in case -fno-trapping-math is enabled.
240 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
241 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
242 (ix86_expand_sse_fabs): Likewise.
243 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
244 * config/i386/i386.md (rintdf2): Enable for SSE math if
245 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
248 2006-10-29 Richard Guenther <rguenther@suse.de>
250 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
251 to conversion optabs.
252 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
254 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
255 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
256 (lfloor_optab, lceil_optab): Adjust defines.
257 * builtins.c (expand_builtin_int_roundingfn): Adjust for
258 lfloor and lceil optabs now being conversion optabs.
259 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
260 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
261 New static helper function.
262 (ix86_expand_lfloorceil): New function to expand lfloor and
264 * config/i386/i386.md (lfloor<mode>2): Split into ...
265 (lfloorxf<mode>2): ... x87 variant
266 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
267 using ix86_expand_lfloorceil.
268 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
270 * doc/md.texi (lfloorMN, lceilMN): Document.
272 2006-10-29 Richard Sandiford <richard@codesourcery.com>
274 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
275 -mno-shared assembler option on mips targets.
276 * configure, config.in: Regenerate.
277 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
278 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
279 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
281 2006-10-29 Richard Sandiford <richard@codesourcery.com>
283 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
284 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
286 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
288 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
289 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
292 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
296 (fold_builtin_pow): Evaluate constant arguments at compile-time
298 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
299 (do_mpfr_ckconv): New helper function.
300 (do_mpfr_arg1): Use do_mpfr_ckconv.
303 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
306 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
307 (-fdump-rtl-sched): Rename to ..
308 (-fdump-rtl-sched1): here. Also fix file extension number.
310 2006-10-28 Richard Guenther <rguenther@suse.de>
312 * fold-const.c (maybe_canonicalize_comparison): Fix code
315 2006-10-28 Uros Bizjak <uros@kss-loka.si>
317 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
318 (NON_QI_REG_P): Use IN_RANGE.
319 (REX_INT_REGNO_P): Use IN_RANGE.
320 (FP_REGNO_P): Use IN_RANGE.
321 (SSE_REGNO_P): Use IN_RANGE.
322 (REX_SSE_REGNO_P): Use IN_RANGE.
323 (MMX_REGNO_P): Use IN_RANGE.
324 (STACK_REGNO_P): New macro.
325 (STACK_REG_P): Use STACK_REGNO_P.
326 (NON_STACK_REG_P): Use STACK_REGNO_P.
327 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
328 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
329 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
330 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
331 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
333 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
335 * except.h (output_function_exception_table): Add 'const char*' param.
336 * except.c (switch_to_exception_section): Add 'const char*' param.
337 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
338 and flag_function_sections is set, use a function-specific section.
339 (output_function_exception_table): Add 'const char*' param.
340 Adjust call to switch_to_exception_section.
341 * final.c (rest_of_handle_final): Adjust calls to
342 output_function_exception_table.
343 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
344 * config.in: Regenerate.
345 * configure: Likewise.
347 2006-10-28 Richard Guenther <rguenther@suse.de>
350 * fold-const.c (maybe_canonicalize_comparison_1): Helper
351 for maybe_canonicalize_comparison.
352 (maybe_canonicalize_comparison): New function for canonicalizing
354 (fold_comparison): Call it to canonicalize comparisons with
357 2006-10-28 Richard Guenther <rguenther@suse.de>
360 * builtins.c (expand_builtin_int_roundingfn_2): Expand
361 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
362 (expand_builtin): Adjust likewise.
363 * genopinit.c (optabs[]): Add lround optab.
364 * optabs.c (init_optabs): Initialize lround_optab.
365 * optabs.h (enum convert_optab_index): Add COI_lround.
366 (lround_optab): Define.
367 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
368 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
370 (ix86_expand_lround): New function.
371 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
373 * doc/md.texi (lroundMN2): Document.
375 2006-10-28 Uros Bizjak <uros@kss-loka.si>
378 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
379 argument to HOST_WIDE_INT. Update function prototype.
380 (round_frame_size): Change return type to HOST_WIDE_INT. Change
381 "size" argument to HOST_WIDE_INT. Update function prototype.
383 2006-10-28 Uros Bizjak <uros@kss-loka.si>
385 * config/i386/i386.c (output_387_ffreep): Create output from a
386 template string for !HAVE_AS_IX86_FFREEP.
388 2006-10-27 Eric Christopher <echristo@apple.com>
390 * config/darwin.c: Fix formatting and grammar.
392 2006-10-27 Jan Hubicka <jh@suse.cz>
394 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
395 to be thrown away soon when IGNORE is set.
396 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
397 indicating when return value shall not be computed.
398 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
400 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
402 * config/i386/i386.h (TARGET_GEODE):
403 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
404 (TARGET_CPU_DEFAULT_geode): New macro.
405 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
406 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
407 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
408 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
409 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
411 (TARGET_CPU_DEFAULT_NAMES): Add geode.
412 (processor_type): Add PROCESSOR_GEODE.
414 * config/i386/i386.md: Include geode.md.
417 * config/i386/i386.c (geode_cost): New initialized global
419 (m_GEODE, m_K6_GEODE): New macros.
420 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
421 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
422 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
423 x86_schedule): Use m_K6_GEODE instead of m_K6.
424 (x86_movx, x86_cmove): Set up m_GEODE.
425 (x86_integer_DFmode_moves): Clear m_GEODE.
426 (processor_target_table): Add entry for geode.
427 (processor_alias_table): Ditto.
429 * config/i386/geode.md: New file.
431 * doc/invoke.texi: Add entry about geode processor.
433 2006-10-27 Mike Stump <mrs@apple.com>
435 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
436 __DYNAMIC__ from here back to ...
437 * config/darwin.h (CPP_SPEC): ... here.
439 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
440 Nathan Sidwell <nathan@codesourcery.com>
442 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
443 when choosing the minimum heapsize.
445 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
447 * gcc/unwind-dw2.h: Move cfa-related variables into
448 struct frame_state_reg_info to ensure that the CFA is properly
449 handled when executing DW_CFA_{remember,restore}_state.
450 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
451 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
452 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
453 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
454 gcc/config/rs6000/linux-unwind.h,
455 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
456 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
457 Modify to use new cfa_* fields.
459 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
461 * config/s390/s390.c (s390_init_frame_layout): Check positive
464 2006-10-26 Ben Elliston <bje@au.ibm.com>
466 * gimplify.c (get_name): Remove extraneous break.
467 (gimplify_omp_for): Initialise ret with GS_OK.
469 2006-10-25 Steve Ellcey <sje@cup.hp.com>
471 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
472 Add unix98.o to link line.
474 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
477 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
478 Calculate compile-time constants using MPFR.
479 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
480 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
482 2006-10-25 Bob Wilson <bob.wilson@acm.org>
484 * config/xtensa/lib2funcs.S: Use C-style comments.
486 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
488 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
489 (file_table_relative_p): Likewise.
490 (dwarf2out_finish): Likewise.
491 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
493 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
495 * tree-ssa-structalias.c (intra_create_variable_infos):
496 Don't recreate nonlocal_all if it already exists.
498 2006-10-25 Richard Guenther <rguenther@suse.de>
501 * optabs.h (enum optab_index): Remove OTI_lrint.
502 (enum convert_optab_index): Add COI_lrint.
503 (lrint_optab): Adjust.
504 (expand_sfix_optab): Declare.
505 * optabs.c (expand_sfix_optab): New function.
506 (init_optabs): Init lrint_optab as conversion optab.
507 * genopinit.c (lrint_optab): Change to a conversion optab.
508 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
509 expansion via conversion optab.
510 * config/i386/i386.md (*fistdi2_1): Remove
511 flag_unsafe_math_optimizations guard.
512 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
513 fist<mode>2_with_temp): Likewise.
514 (lrint<mode>2): Split into...
515 (lrintxf<mode>2): ... x87 part
516 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
517 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
518 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
519 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
520 * doc/md.texi (lrintMN2): Document.
522 2006-10-25 Uros Bizjak <uros@kss-loka.si>
525 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
526 Use inc and dec instructions for TARGET_USE_INCDEC.
527 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
528 ("sync_double_compare_and_swap<mode>"): Likewise.
529 ("*sync_double_compare_and_swapdi_pic"): Likewise.
530 ("*sync_compare_and_swap_cc<mode>"): Likewise.
531 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
532 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
533 ("sync_old_add<mode>"): Likewise.
534 ("sync_lock_test_and_set<mode>"): Likewise.
535 ("sync_lock_test_and_set<mode>"): Likewise.
536 ("sync_add<mode>"): Likewise.
537 ("sync_sub<mode>"): Likewise.
538 ("sync_ior<mode>"): Likewise.
539 ("sync_and<mode>"): Likewise.
540 ("sync_xor<mode>"): Likewise.
542 2006-10-25 Uros Bizjak <uros@kss-loka.si>
544 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
545 (remainder_optab): Define corresponding macro.
546 (drem_optab): Remove.
547 * optabs.c (init_optabs): Initialize remainder_optab. Remove
548 drem_optab initialization.
549 * genopinit.c (optabs): Implement remainder_optab using
550 remainder?f3 patterns. Remove drem_optab.
551 * builtins.c (expand_builtin_mathfn_2): Handle
552 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
553 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
554 expand_builtin_mathfn_2.
556 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
557 depend on flag_unsafe_math_optimizations.
559 * config/i386/i386.md ("remaindersf3", "remainderdf3")
560 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
561 Do not depend on flag_unsafe_math_optimizations. Use
562 truncxf?f expander instead of truncxf?f_i387_noop.
564 ("fpremxf4", "fprem1xf4"): Do not depend on
565 flag_unsafe_math_optimizations.
566 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
567 flag_unsafe_math_optimizations. Use truncxf?f expander
568 instead of truncxf?f_i387_noop.
570 * doc/md.texi (fmod, remainder): Document standard named pattern.
572 2006-10-24 Richard Sandiford <richard@codesourcery.com>
573 David Daney <ddaney@avtrex.com>
576 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
578 2006-10-25 Ben Elliston <bje@au.ibm.com>
580 * doc/extend.texi (Variable Attributes): Typo fix.
582 2006-10-24 Uros Bizjak <uros@kss-loka.si>
584 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
585 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
586 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
587 (FRAME_POINTER_REGNUM): Update register number to 21.
588 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
589 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
591 * config/i386/i386.c (regclass_map): Add fpcr entry.
592 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
594 (print_reg): Assert REGNO (x) != FPCR_REG.
596 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
597 (DIRFLAG_REG): Renumber.
598 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
599 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
600 (sse_prologue_save, *sse_prologue_save_insn): Renumber
601 hardcoded SSE register numbers.
603 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
604 hardcoded MMX register numbers.
606 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
609 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
610 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
612 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
613 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
614 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
615 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
617 2006-10-24 Richard Guenther <rguenther@suse.de>
620 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
621 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
622 for deciding optimizations in consistency with fold-const.c
623 (fold_builtin_unordered_cmp): Likewise.
625 2006-10-24 Richard Guenther <rguenther@suse.de>
627 * builtins.c (fold_builtin_floor): Fold floor (x) where
628 x is nonnegative to trunc (x).
629 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
630 nonnegative to FIX_TRUNC_EXPR.
632 2006-10-24 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/29567
635 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
636 for TRUTH_NOT_EXPR. Clarify comments.
638 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
641 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
642 at compile-time using MPFR. Change parameter VALUE to FUNC,
644 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
645 for overflow and underflow at all times and avoid folding in
648 2006-10-24 Ben Elliston <bje@au.ibm.com>
650 * reload1.c: Formatting fixes.
652 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
654 PR tree-optimization/14784
655 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
656 * tree-ssa-structalias.c (get_constraint_for,
657 intra_create_variable_infos): Set is_heapvar.
658 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
659 non-heapvar pointer variables specially.
661 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * builtins.c (fold_builtin_sin, fold_builtin_cos,
665 fold_builtin_tan): Fold all constant arguments. Take a "type"
666 argument as necessary.
668 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
670 2006-10-23 Bob Wilson <bob.wilson@acm.org>
672 * config/xtensa/lib1funcs.asm: Use C-style comments.
674 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
676 * tree.c (local_define_builtin): Replace calls to
677 lang_hooks.builtin_function with add_builtin_function.
678 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
680 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
682 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
683 common code to add_builtin_function.
684 * langhooks.c (add_builtin_function): New function.
685 (lhd_builtin_function): New function.
686 * langhooks.h (struct lang_hooks): Change the signature of
688 (add_builtin_function): New function.
689 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
690 calls to lang_hooks.builtin_function with add_builtin_function.
691 * c-common.c (decl_builtin_1): Replace calls to
692 lang_hooks.builtin_function with add_builtin_function.
693 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
694 lang_hooks.builtin_function with add_builtin_function.
695 * config/frv/frv.c (def_builtin): Replace calls to
696 lang_hooks.builtin_function with add_builtin_function.
697 * config/s390/s390.c (s390_init_builtins): Replace calls to
698 lang_hooks.builtin_function with add_builtin_function.
699 * config/sparc/sparc.c (def_builtin): Replace calls to
700 lang_hooks.builtin_function with add_builtin_function.
701 * config/i386/i386.c (def_builtin): Replace calls to
702 lang_hooks.builtin_function with add_builtin_function.
703 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
704 lang_hooks.builtin_function with add_builtin_function.
705 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
706 lang_hooks.builtin_function with add_builtin_function.
707 * config/stormy16/stormy16.c (xstormy16_init_builtins):
708 Replace calls to lang_hooks.builtin_function with
709 add_builtin_function.
710 * config/iq2000/iq2000.c (def_builtin):
711 Replace calls to lang_hooks.builtin_function with
712 add_builtin_function.
713 * config/ia64/ia64.c (def_builtin): Replace calls to
714 lang_hooks.builtin_function with add_builtin_function.
715 * config/rs6000/rs6000.c (def_builtin): Replace calls to
716 lang_hooks.builtin_function with add_builtin_function.
717 (altivec_init_builtins): Replace calls to
718 lang_hooks.builtin_function with add_builtin_function.
719 * config/arm/arm.c (def_mbuiltin): Replace calls to
720 lang_hooks.builtin_function with add_builtin_function.
721 (arm_init_tls_builtins): Replace calls to
722 lang_hooks.builtin_function with add_builtin_function.
723 * config/mips/mips.c (mips_init_builtins): Replace calls to
724 lang_hooks.builtin_function with add_builtin_function.
725 * config/bfin/bfin.c (def_builtin): Replace calls to
726 lang_hooks.builtin_function with add_builtin_function.
727 * langhooks-def.h (lhd_builtin_function): New function.
728 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
730 2006-10-23 Jakub Jelinek <jakub@redhat.com>
732 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
733 BUILT_IN_STRNCAT_CHK.
735 2006-10-23 Jan Hubicka <jh@suse.cz>
737 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
738 don't do conversion from memmove to memcpy here.
739 (expand_builtin_bcopy, expand_builtin): Update call of
740 expand_builtin_memmove.
741 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
743 2006-10-23 Paul Brook <paul@codesourcery.com>
745 * stor-layout.c (start_record_layout): maximum_field_alignment
746 overrides STRUCTURE_SIZE_BOUNDARY.
748 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
750 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
751 nonlocal function symbols if flag_pic.
753 2006-10-23 Richard Guenther <rguenther@suse.de>
757 * builtins.c (fold_binary): Remove checks for flag_wrapv
758 and flag_trapv where negate_expr_p covers these cases.
760 2006-10-23 Richard Guenther <rguenther@suse.de>
763 * fold-const.c (fold_plusminus_mult_expr): Check exact power
764 of two on the absolute value.
765 (fold_binary): Fold x * -C to -x * C if x is easily negatable
766 and negating -C does not overflow.
768 2006-10-23 Richard Guenther <rguenther@suse.de>
771 * convert.c (convert_to_real): Fold (float)-x to -(float)x
772 only if not flag_rounding_math.
774 2006-10-22 Richard Sandiford <richard@codesourcery.com>
775 Kaz Kojima <kkojima@gcc.gnu.org>
778 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
779 SImode memory reference for the source of a movua.
780 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
781 (movua): Use an unspec instead of sign_extract. Expect the source
782 to have mode BLKmode.
783 (extv, insv): Use a BLKmode rather than SImode memory reference
784 for the source of a movua.
786 2006-10-22 Jeff Law <law@redhat.com>
787 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/15911
790 * tree-vrp.c (extract_code_and_val_from_cond): New function.
791 (register_edge_assert_for_1): Likewise.
792 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
793 (find_conditional_asserts): Adjust for new function signature.
794 (find_assert_locations): Likewise.
796 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
798 * config/i386/tmmintrin.h: Remove the duplicated content.
800 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
802 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
803 (x86_64-*-*): Likewise.
805 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
806 (override_options): Check SSSE3.
807 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
808 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
809 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
810 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
811 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
812 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
813 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
814 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
815 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
816 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
817 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
818 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
819 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
820 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
821 IX86_BUILTIN_PABSD128.
822 (bdesc_2arg): Add SSSE3.
823 (bdesc_1arg): Likewise.
824 (ix86_init_mmx_sse_builtins): Support SSSE3.
825 (ix86_expand_builtin): Likewise.
826 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
828 * config/i386/i386.md (UNSPEC_PSHUFB): New.
829 (UNSPEC_PSIGN): Likewise.
830 (UNSPEC_PALIGNR): Likewise.
831 Include mmx.md before sse.md.
833 * config/i386/i386.opt: Add -mssse3.
835 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
836 (ssse3_phaddwv4hi3): Likewise.
837 (ssse3_phadddv4si3): Likewise.
838 (ssse3_phadddv2si3): Likewise.
839 (ssse3_phaddswv8hi3): Likewise.
840 (ssse3_phaddswv4hi3): Likewise.
841 (ssse3_phsubwv8hi3): Likewise.
842 (ssse3_phsubwv4hi3): Likewise.
843 (ssse3_phsubdv4si3): Likewise.
844 (ssse3_phsubdv2si3): Likewise.
845 (ssse3_phsubswv8hi3): Likewise.
846 (ssse3_phsubswv4hi3): Likewise.
847 (ssse3_pmaddubswv8hi3): Likewise.
848 (ssse3_pmaddubswv4hi3): Likewise.
849 (ssse3_pmulhrswv8hi3): Likewise.
850 (ssse3_pmulhrswv4hi3): Likewise.
851 (ssse3_pshufbv16qi3): Likewise.
852 (ssse3_pshufbv8qi3): Likewise.
853 (ssse3_psign<mode>3): Likewise.
854 (ssse3_psign<mode>3): Likewise.
855 (ssse3_palignrti): Likewise.
856 (ssse3_palignrdi): Likewise.
857 (abs<mode>2): Likewise.
858 (abs<mode>2): Likewise.
860 * config/i386/tmmintrin.h: New file.
862 * doc/extend.texi: Document SSSE3 built-in functions.
864 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
866 2006-10-22 Ira Rosen <irar@il.ibm.com>
868 * tree-vect-transform.c (vectorizable_load): Use the type of the
869 return value of the mask_for_load builtin to create realign_load
872 2006-10-22 Richard Sandiford <richard@codesourcery.com>
874 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
877 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
879 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
880 (UNSPEC_LDDQU): This.
881 * config/i386/sse.md (sse3_lddqu): Updated.
883 2006-10-21 Richard Guenther <rguenther@suse.de>
885 * builtins.c (expand_builtin_int_roundingfn_2): New function.
886 (expand_builtin): Use it to expand lrint instead of
887 expand_builtin_mathfn.
889 2006-10-21 Uros Bizjak <uros@kss-loka.si>
892 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
893 flag_unsafe_math_optimizations is set.
895 2006-10-21 Uros Bizjak <uros@kss-loka.si>
898 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
899 patterns to use memory input operand in x87->mem->XMM
900 reload sequences. Skip transformation for TARGET_K8.
902 2006-10-21 Uros Bizjak <uros@kss-loka.si>
904 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
905 force operand1 to register if both operands are memory operands.
906 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
907 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
908 if both operands are memory operands.
909 (truncdfsf2): Do not force operand1 to register if both operands
912 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 * Makefile.in (LIBS): Add $(GMPLIBS).
915 * doc/install.texi: Update GMP and MPFR requirements.
916 * doc/sourcebuild.texi (need_gmp): Delete.
918 2006-10-21 Richard Guenther <rguenther@suse.de>
920 PR tree-optimization/3511
921 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
922 got new invariant arguments during PHI translation.
924 2006-10-21 Richard Guenther <rguenther@suse.de>
927 * fold-const.c (fold_comparison): Fold signed comparisons
928 of the form X +- C1 CMP Y +- C2.
930 2006-10-21 Richard Guenther <rguenther@suse.de>
933 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
934 if flag_unsafe_math_optimizations is specified. We have
935 flag_finite_math_only for that.
936 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
937 or flag_unsafe_math_optimizations.
939 2006-10-21 Richard Guenther <rguenther@suse.de>
941 * builtins.c (fold_builtin_classify): Fix typo.
943 2006-10-21 Richard Guenther <rguenther@suse.de>
946 * simplify-rtx.c (simplify_const_relational_operation):
947 Do not constant-fold ORDERED and UNORDERED for
948 flag_unsafe_math_optimizations but only we do not need to
949 honor NaNs for the given mode.
951 2006-10-21 Richard Guenther <rguenther@suse.de>
954 * config/i386/i386.c (classify_argument): Remove redundant
955 walking of the BINFOs.
956 (contains_128bit_aligned_vector_p): Likewise.
958 2006-10-20 Mark Mitchell <mark@codesourcery.com>
960 * BASE-VER: Set to 4.3.0.
962 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
964 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
965 (tree_decl_with_vis): Remove artificial_pta_var flag.
966 * tree-flow.h (referenced_var_check_and_insert): Expose.
967 (nonlocal_all): New prototype.
968 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
969 (nonlocal_all): Make global.
970 (nonlocal_lookup): Remove.
971 (nonlocal_insert): Ditto.
972 (create_nonlocal_var): Do not call nonlocal_insert.
973 (get_nonlocal_id_for_type): Remove.
974 (find_global_initializers): Mark new vars we find for renaming.
975 (intra_create_variable_infos): Only create one nonlocal.
976 (expand_nonlocal_solutions): Remove.
977 (compute_points_to_sets): Don't call it.
978 (ipa_pta_execute): Ditto.
979 (init_alias_heapvars): Don't create nonlocal_for_type.
980 (delete_alias_heapvars): Don't remove it.
981 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
984 2006-10-19 Brooks Moses <bmoses@stanford.edu>
986 * doc/install.texi (Downloading GCC): Clarify mention of
987 Fortran in the "full distribution" description.
989 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
991 Fix PR tree-optimization/28778
992 Fix PR tree-optimization/29156
993 Fix PR tree-optimization/29415
994 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
995 (tree_decl_with_vis): Add artificial_pta_var flag.
996 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
998 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
999 (nonlocal_all): Ditto.
1000 (struct variable_info): Add directly_dereferenced member.
1001 (var_escaped_vars): New variable.
1002 (escaped_vars_tree): Ditto.
1003 (escaped_vars_id): Ditto.
1004 (nonlocal_vars_id): Ditto.
1005 (new_var_info): Set directly_dereferenced.
1006 (graph_size): New variable
1007 (build_constraint_graph): Use graph_size.
1008 (solve_graph): Don't process constraints that cannot change the
1009 solution, don't try to propagate an empty solution to our
1011 (process_constraint): Set directly_dereferenced.
1012 (could_have_pointers): New function.
1013 (get_constraint_for_component_ref): Don't process STRING_CST.
1014 (nonlocal_lookup): New function.
1015 (nonlocal_insert): Ditto.
1016 (create_nonlocal_var): Ditto.
1017 (get_nonlocal_id_for_type): Ditto.
1018 (get_constraint_for): Allow results vector to be empty in the case
1019 of string constants.
1020 Handle results of calls properly.
1021 (update_alias_info): Update alias info stats on number and type of
1023 (find_func_aliases): Use could_have_pointers.
1024 (make_constraint_from_escaped): Renamed from
1025 make_constraint_to_anything, and changed to make constraints from
1027 (make_constraint_to_escaped): New function.
1028 (find_global_initializers): Ditto.
1029 (create_variable_info_for): Make constraint from escaped to any
1030 global variable, and from any global variable to the set of
1032 (intra_create_variable_infos): Deal with escaped instead of
1033 pointing to anything.
1034 (set_uids_in_ptset): Do type pruning on directly dereferenced
1036 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1037 (init_base_vars): Fix comment, and initialize escaped_vars.
1038 (need_to_solve): Removed.
1039 (find_escape_constraints): New function.
1040 (expand_nonlocal_solutions): Ditto.
1041 (compute_points_to_sets): Call find_escape_constraints and
1042 expand_nonlocal_solutions.
1043 (delete_points_to_sets): Don't fall off the end of the graph.
1044 (init_alias_heapvars): Initialize nonlocal_for_type and
1046 (delete_alias_heapvars): Free nonlocal_for_type and null out
1049 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1051 * fold-const.c (add_double): Rename to add_double_with_sign.
1052 Add 'unsigned_p' parameter and take it into account for the overflow.
1053 (mul_double): Rename to mul_double_with_sign.
1054 Add 'unsigned_p' parameter and take it into account for the overflow.
1055 (fold_div_compare): Call add_double_with_sign instead of add_double
1056 and mul_double_with_sign instead of mul_double, passing them the
1057 unsignedness of the type.
1058 * tree.h (add_double): Macroize.
1059 (add_double_with_sign): New prototype.
1060 (mul_double): Macroize.
1061 (mul_double_with_sign): New prototype.
1063 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1065 * config/score/crti.asm: New file.
1066 * config/score/crtn.asm: New file.
1067 * config/score/elf.h: New file.
1068 * config/score/mac.md: New file.
1069 * config/score/misc.md: New file.
1070 * config/score/mul-div.S: New file.
1071 * config/score/predicates.md: New file.
1072 * config/score/score7.md: New file.
1073 * config/score/score.c: New file.
1074 * config/score/score-conv.h: New file.
1075 * config/score/score.h: New file.
1076 * config/score/score.md: New file.
1077 * config/score/score-mdaux.c: New file.
1078 * config/score/score-mdaux.h: New file.
1079 * config/score/score-modes.def: New file.
1080 * config/score/score.opt: New file.
1081 * config/score/score-protos.h: New file.
1082 * config/score/score-version.h: New file.
1083 * config/score/t-score-elf: New file.
1084 * config.gcc: Add score*-*-* configurations(Update before).
1085 * doc/invoke.texi (Score Options): New section.
1086 * doc/md.texi (Score family): New section to document constraints.
1088 2006-10-19 Nick Clifton <nickc@redhat.com>
1090 * config/arm/arm.c: Fix spelling typo.
1092 2006-10-18 Tom Tromey <tromey@redhat.com>
1094 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1096 2006-10-18 Jan Hubicka <jh@suse.cz>
1099 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1102 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1104 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1105 TSI_SAME_STMT, since that's the desired entity.
1107 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1109 * config/s390/contraints.md: New file.
1110 * config/s390/s390-protos.h (s390_mem_constraint,
1111 s390_O_constraint_str, s390_N_constraint_str,
1112 s390_float_const_zero_p): Function prototypes added.
1113 * config/s390/s390.c (s390_extra_constraint_str,
1114 s390_const_double_ok_for_constraint_p,
1115 s390_const_ok_for_constraint_p): Functions removed.
1116 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1117 s390_float_const_zero_p): New functions.
1118 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1119 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1120 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1121 Macro definitions removed.
1122 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1123 s390_extra_constraint_str): Functions removed.
1125 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1126 Richard Sandiford <richard@codesourcery.com>
1129 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1130 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1132 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1134 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1135 (DWARF2_FRAME_REG_OUT): Likewise.
1136 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1137 (DWARF2_FRAME_REG_OUT): Likewise.
1139 2006-10-17 Paul Brook <paul@codesourcery.com>
1141 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1143 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1145 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1146 Standardize on "GNU Fortran" as the official name of the Fortran
1149 2006-10-16 Mike Stump <mrs@apple.com>
1151 * doc/invoke.texi (Darwin Options): Document -mkernel.
1152 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1154 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1155 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1156 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1157 (OS_MISSING_ALTIVEC): Add.
1158 * config/i386/i386.c (override_options): Add
1159 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1160 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1161 -mkernel, -static or -mdynamic-no-pic is given.
1162 (C_COMMON_OVERRIDE_OPTIONS): Add.
1163 * config/darwin.opt (fapple-kext): Add.
1165 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1166 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1168 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1169 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1170 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1171 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1172 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1173 (flag_mkernel): Add.
1174 (flag_apple_kext): Add.
1175 (TARGET_KEXTABI): Add.
1176 * config/darwin.c (darwin_handle_kext_attribute): Add.
1177 (DARWIN_VTABLE_P): Add.
1178 (darwin_binds_local_p): Add partial support for rebinding vtables
1180 (darwin_kextabi_p): Add.
1181 (darwin_override_options): Add.
1182 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1183 (darwin_kextabi_p): Add.
1184 (darwin_override_options): Add.
1185 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1186 __DYNAMIC__ and __STATIC__ here.
1188 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1190 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1191 Added mention of "make pdf" target, and Texinfo requirements for
1194 2006-10-16 DJ Delorie <dj@redhat.com>
1196 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1197 into the GOT in case we need a subreg of the address.
1199 2006-10-16 Richard Guenther <rguenther@suse.de>
1202 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1203 SSE builtin documentation. Document SSE2 builtins.
1205 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1207 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1208 symbol in the output file for non-shared links when -nostdlib or
1209 -nodefaultlibs isn't specified.
1211 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1212 posix thread support.
1214 2006-10-15 Jan Hubicka <jh@suse.cz>
1217 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1218 declared always_inline even when not inlining.
1220 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1221 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1222 Andrew Pinski <pinskia@gmail.com>
1225 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1227 2006-10-15 Jan Hubicka <jh@suse.cz>
1228 Richard Guenther <rguenther@suse.de>
1231 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1232 process_function_and_variable_attributes on all variables, including
1233 those discovered during cgraph construction phase.
1235 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1237 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1239 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1241 * config/i386/athlon.md (athlon_fist): Add fisttp.
1243 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1244 Ian Lance Taylor <ian@airs.com>
1247 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1248 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1251 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1253 * config/score/score.c, config/score/score.h: Fix comment
1256 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1259 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1262 2006-10-13 Eric Christopher <echristo@apple.com>
1264 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1266 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1269 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1270 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1271 alignment supported by 32-bit ELF.
1273 2006-10-13 Eric Christopher <echristo@apple.com>
1275 * config/darwin.c (darwin_emit_unwind_label): Strip
1276 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1278 2006-10-13 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/29446
1281 * tree-vrp.c (fix_equivalence_set): Remove.
1282 (extract_range_from_assert): Do not call fix_equivalence_set.
1283 (debug_value_range): Print a newline.
1284 (compare_name_with_value): For equivalence sets with
1285 inconsistent value ranges conservatively bail out.
1286 (compare_names): Likewise.
1288 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1290 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1291 and MPFR for gfortran.
1293 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1295 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1296 alignment supported by 32-bit ELF.
1298 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1302 * c-typeck.c (digest_init): Always allow initializing vectors
1303 that have static storage duration with compound literals.
1304 * tree.c (build_type_attribute_qual_variant): New, based on
1305 build_type_attribute_variant.
1306 (build_type_attribute_variant): Rewrite using the former.
1307 (make_vector_type): Use build_type_attribute_qual_variant to build
1308 type variants. Use type_hash_canon on the others.
1310 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1311 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1313 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1315 2006-10-12 Jan Hubicka <jh@suse.cz>
1318 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1319 current_function_decl is set but current_function_scope is not.
1321 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1323 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1324 emit_insn to emit eh_return_internal instruction.
1325 (eh_return_internal): Explicitly set pc.
1327 2006-10-11 Richard Guenther <rguenther@suse.de>
1329 PR tree-optimization/28230
1330 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1331 to the correct place.
1333 2006-10-11 Richard Guenther <rguenther@suse.de>
1336 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1339 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1341 * configure.ac: Added pdf to "Make-hooks"
1342 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1343 targets and *.pdf file patterns in cleanup targets.
1344 * configure: Regenerated.
1346 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1348 * config/avr/predicates.md: New file.
1349 * config/avr/avr.md: Include it.
1350 (REG_SP): New constant.
1351 (peepholes): Use predicates.
1352 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1353 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1354 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1356 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1358 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1361 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1364 * builtins.c (var_decl_component_p): New function.
1365 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1366 single entry optimization to variables and components thereof.
1368 2006-10-10 Richard Guenther <rguenther@suse.de>
1370 PR rtl-optimization/29323
1371 * except.c (set_nothrow_function_flags): For functions
1372 that do not bind local bail out early.
1374 2006-10-10 Ben Elliston <bje@au.ibm.com>
1376 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1379 2006-10-09 Richard Henderson <rth@redhat.com>
1381 Revert emutls patch.
1383 2006-10-09 Richard Guenther <rguenther@suse.de>
1386 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1389 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1392 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1393 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1394 * configure: Regenerate.
1395 * config.in: Regenerate.
1397 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1399 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1401 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1403 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1404 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1405 Remove stray newline.
1407 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1409 * config/mips/mips.c (mips_classify_symbol): Do not return
1410 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1411 (mips_in_small_data_p): Tweak comments.
1413 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1415 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1417 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1419 * gimplify.c, sched-int.h: Fix comment typos.
1421 * sched-int.h: Fix comment typos.
1423 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1425 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1427 * sched-ebb.c (begin_schedule_ready): Use them.
1428 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1429 add_to_speculative_block, create_check_block_twin, speculate_insn,
1430 fix_jump_move, move_block_after_check): Ditto.
1431 * sched-rgn.c (new_ready): Ditto.
1433 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1435 PR rtl-optimization/29128
1436 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1437 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1438 allow interblock movement of speculation checks.
1440 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1443 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1444 casted to integer type.
1445 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1446 if they are significantly more expensive than [reg + index] ones.
1448 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1450 PR tree-optimization/29330
1451 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1452 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1453 on newly allocated ddrs.
1454 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1455 to VEC (loop_p, heap) pointer.
1456 (compute_data_dependences_for_loop): Adjust caller.
1457 (free_dependence_relations): Free DDR_LOOP_NEST.
1459 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1460 free DEPENDENCE_RELATIONS and DATAREFS.
1463 * builtins.c (expand_builtin_sync_operation,
1464 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1465 Use convert_to_mode to handle promoted arguments.
1467 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1469 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1471 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1473 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1475 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1477 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1478 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1479 Use <modeconstraint> instead of "r" as operand 1 constraint.
1481 2006-10-06 Olivier Hainque <hainque@adacore.com>
1483 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1484 Don't recurse on the pointed-to type.
1485 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1486 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1487 types with components of variable size.
1489 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1491 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1493 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1495 PR tree-optimization/29290
1496 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1500 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1501 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1504 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1505 the number of vector elements fill the rest with zeros.
1507 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1509 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1510 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1513 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1515 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1516 unnamed pattern into subsi3. Use correct constraints/predicates.
1517 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1518 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1520 2006-10-05 Ira Rosen <irar@il.ibm.com>
1522 * doc/loop.texi: Add data references analysis description.
1524 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1526 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1528 2006-10-04 Richard Henderson <rth@redhat.com>
1529 Jakub Jelinek <jakub@redhat.com>
1531 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1532 * builtin-types.def (BT_WORD): Make unsigned.
1533 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1534 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1535 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1536 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1537 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1538 * cgraph.c (decide_is_variable_needed): Look at force_output.
1539 Recurse for emulated tls.
1540 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1541 checks redundant with decide_is_variable_needed.
1542 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1543 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1545 * expr.c (emutls_var_address): New.
1546 (expand_expr_real_1): Expand emulated tls.
1547 (expand_expr_addr_expr_1): Likewise.
1548 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1549 * output.h (emutls_finish): Declare.
1550 * toplev.c (compile_file): Call it.
1551 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1552 address before wrapping in CONST.
1553 * varasm.c (emutls_htab, emutls_object_type): New.
1554 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1555 (get_emutls_object_name, get_emutls_object_type): New.
1556 (get_emutls_init_templ_addr, emutls_decl): New.
1557 (emutls_common_1, emutls_finish): New.
1558 (assemble_variable): When emulating tls, swap decls; generate
1559 constructor for the emutls objects.
1560 (do_assemble_alias): When emulating tls, swap decl and target name.
1561 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1563 * emutls.c: New file.
1564 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1565 tls_object for real tls.
1567 2006-10-04 Zack Weinberg <zackw@panix.com>
1569 Fix bug in constraint-check generator, reported by Rask Ingemann
1571 * genpreds.c (add_constraint): Don't remove anything from the
1573 (write_tm_constrs_h): Detect whether "op" argument is used, and
1574 mark it ARG_UNUSED if it isn't.
1575 (write_insn_const_int_ok_for_constraint): Skip the part of the
1576 expression that would test whether "op" (which is not available
1577 here) is a CONST_INT.
1579 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1582 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1584 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1586 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1587 current Leopard versions.
1588 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1590 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1592 * doc/install.texi: Fix typos.
1594 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1596 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1597 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1598 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1600 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1602 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1603 arg to be struct mach_header_64* instead.
1605 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1608 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1609 side effects after the outer expression's post side effects.
1611 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1613 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1614 comments to reflect actual behavior and relationship between
1615 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1617 * doc/c-tree.texi (Working with declarations): Fix documentation
1618 of FIELD_DECL likewise.
1620 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1623 * doc/extend.texi: Add used variable attribute description.
1625 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1628 * c.opt (Woverride-init): New.
1629 * c-opts.c (c_common_post_options): Default warn_override_init to
1631 * c-typeck.c (add_pending_init, output_init_element): Warn for
1632 overriding initializers without side effects.
1633 * doc/invoke.texi (-Woverride-init): Document.
1636 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1638 PR rtl-optimization/28096
1639 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1640 assignment has already been used as a destination earlier in the block.
1642 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1644 * builtins.c (expand_builtin_setjmp): Delete.
1645 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1646 <BUILT_IN_SETJMP_SETUP>: New case.
1647 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1648 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1649 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1650 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1651 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1652 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1653 (lower_function_body): Initialize it to false. If it is set to true
1654 at the end of the processing, emit the setjmp dispatcher.
1655 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1656 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1657 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1658 on the rhs of the assignment.
1659 (lower_builtin_setjmp): New function.
1660 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1661 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1662 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1663 to detect calls that can go to non-local labels. Use specific
1664 helper to create the abnormal edges associated with them.
1665 <MODIFY_EXPR>: Likewise.
1666 (make_abnormal_goto_edges): New function extracted from...
1667 (make_goto_expr_edges): ...here. Call it for computed gotos.
1668 (simple_goto_p): Minor tweak.
1669 (tree_can_make_abnormal_goto): New predicate.
1670 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1671 (tree_purge_dead_abnormal_call_edges): New function.
1672 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1673 (tree_purge_dead_abnormal_call_edges): Likewise.
1674 (make_abnormal_goto_edges): Likewise.
1675 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1676 Purge all dead abnormal edges if the call was in the last statement.
1677 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1678 (execute_fixup_cfg): If there are non-local labels in the function,
1679 scan the basic blocks and split them at calls that can go to non-local
1680 labels or add missing abnormal call edges. Write down the CFG in the
1682 (pass_fixup_cfg): Remove TODO_dump_func flag.
1683 * unwind-sjlj.c: Poison setjmp.
1684 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1685 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1686 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1687 (DONT_USE_BUILTIN_SETJMP): Document it.
1689 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1692 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1693 to 1 when __ppc64__ is defined.
1694 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1696 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1698 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1700 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1701 * config/ia64/unwind-hpux.c: Delete.
1703 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1705 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1706 on the element before gimplifying it, instead of punting if it is of
1709 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1711 * doc/loop.texi: New file.
1712 * doc/gccint.texi: Reference loop.texi.
1713 * Makefile.in (loop.texi): Add.
1715 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1717 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1719 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1720 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1722 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1724 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1726 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1728 * doc/install.texi: Document required versions of GMP and MPFR.
1730 2006-09-27 Paul Brook <paul@codesourcery.com>
1733 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1735 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1737 * reload1.c (alter_reg): Require the alignment of the stack slot to
1738 be at least reg_max_ref_width bytes.
1739 (scan_paradoxical_subregs): Record the largest width in
1742 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1746 * tree-nested.c (struct nesting_info): Added static_chain_added.
1747 (convert_call_expr): Set static_chain_added when adding static
1748 chain. Handle OMP_PARALLEL and OMP_SECTION.
1750 2006-09-25 Matthias Klose <doko@debian.org>
1752 * doc/invoke.texi: Add missing full stop.
1754 2006-09-25 Richard Henderson <rth@redhat.com>
1756 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1757 before cgraph_function_flags_ready.
1759 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1760 Adam Nemet <anemet@caviumnetworks.com>
1762 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1763 determine_common_wider_type): New functions.
1764 (get_computation_aff): Use them to simplify arithmetic between
1765 UBASE and CBASE if they are shortened from the same type.
1767 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1770 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1771 -2147483647 - 1 instead of 0x80000000.
1773 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1775 * flags.h (HONOR_NANS): Fix typo in comment.
1777 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1779 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1781 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1785 * tree.c (merge_attributes, attribute_list_contained): If both
1786 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1788 * c-typeck.c (comptypes_internal): Don't consider aggregates
1789 in different TUs as compatible if there one set of attributes is
1790 not a subset of the other type's attributes.
1791 (composite_type): Try harder not to create a new aggregate type.
1793 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1795 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1796 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1797 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1798 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1799 than replicating condition above.
1800 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1802 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1803 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1804 the linker by default.
1806 2006-09-22 Mike Stump <mrs@apple.com>
1808 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1811 2006-09-22 Richard Guenther <rguenther@suse.de>
1814 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1815 sort of stack variables stable.
1817 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1820 * explow.c (force_reg): Set REG_POINTER flag according to
1823 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1825 PR tree-optimization/28888
1826 * tree-if-conv.c (combine_blocks): Rewritten.
1827 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1828 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1830 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1832 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1835 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1837 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1839 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1841 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1843 2006-09-21 Roger Sayle <roger@eyesopen.com>
1846 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1847 dw_fde_current_label, to be the start of the function, i.e. the same
1848 value as dw_fde_begin.
1850 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1852 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1853 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1854 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1855 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1856 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1857 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1858 (abs<mode>2, neg<mode>2): Likewise.
1859 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1860 (*mips_abs_ps): New define_insn.
1862 2006-09-20 Josh Conner <jconner@apple.com>
1865 * calls.c (expand_call): Allow reuse of structure return stack
1868 2006-09-20 Paul Brook <paul@codesourcery.com>
1870 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1873 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1875 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1876 clean up terminology.
1878 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1881 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1882 with tablejumps in them.
1884 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1887 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1888 wrap it into TARGET_EXPR.
1890 2006-09-20 Eric Christopher <echristo@apple.com>
1892 * config/i386/i386.c (x86_fisttp): Remove.
1893 * config/i386/i386.h (x86_fisttp): Ditto.
1894 (TARGET_FISTTP): Ditto.
1896 2006-09-19 Eric Christopher <echristo@apple.com>
1898 * doc/tm.texi (OBJC_JBLEN): Describe.
1899 * config/i386/darwin.h (OBJC_JBLEN): Define.
1900 * config/rs6000/darwin.h: Ditto.
1902 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1904 PR rtl-optimization/21299
1905 * reload1.c (reload): Purge invalid ASMs in the final pass.
1907 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1910 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1911 pointers as legitimate constants.
1913 2006-09-19 Paul Brook <paul@codesourcery.com>
1916 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1918 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1920 PR tree-optimization/28887
1921 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1922 component parts from the reference.
1923 (gather_memory_references_ref): Record the reference without the
1924 nonaddressable component parts.
1926 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1929 * c-opts.c (c_common_handle_option): Ignore the -std options
1930 if the input language is assembly.
1932 2006-09-17 Ira Rosen <irar@il.ibm.com>
1935 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1937 (ptr_ptr_may_alias_p): Likewise.
1938 (record_record_differ_p): New function.
1939 (base_object_differ_p): Call record_record_differ_p.
1941 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1944 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1945 away for the expr argument.
1947 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1950 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1951 before using it for dumping after vectorizing loops.
1953 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1954 Jack Howarth <howarth@bromo.med.uc.edu>
1957 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1958 skip on error_mark_node.
1959 (rs6000_darwin64_record_arg_recurse): Likewise.
1961 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1963 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1964 * doc/rtl.texi: Remove related documentation.
1966 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1968 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1971 2006-09-15 Jim Wilson <wilson@specifix.com>
1973 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1974 Handle symbol offsets same as they are handled in ia64_expand_move
1977 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1979 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1980 Add forgotten parameter to the fprintf call.
1982 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1984 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1986 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1988 * doc/contrib.texi: Add my entry.
1990 2006-09-15 Nick Clifton <nickc@redhat.com>
1992 * doc/md.texi (Processor pipeline description): Fix typo in
1993 example of how to use the absence_set directive and reword the
1994 description to make it slightly easier to read.
1996 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1998 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1999 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2000 expanding the number of iterations.
2001 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2003 * cfgrtl.c (emit_insn_at_entry): New function.
2004 * rtl.h (emit_insn_at_entry): Declare it.
2005 * integrate.c (emit_initial_value_sets): Use it.
2007 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2009 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2011 (struct loop_work and related VEC declarations): Delete.
2012 (bfin_dump_loops): Print out new member bad.
2013 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2014 (bfin_scan_loop): Don't recurse.
2015 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2016 loops. No longer need to update outer loops if the current one is
2017 found bad. Move some validitiy checks to bfin_discover_loop.
2018 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2019 but changed not to check for nesting. Also changed to use the new bad
2021 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2022 time. Use bitmap based test to discover loop nesting.
2024 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2026 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2029 2006-09-14 Richard Guenther <rguenther@suse.de>
2030 Kazu Hirata <kazu@codesourcery.com>
2032 PR middle-end/28884.
2033 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2034 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2035 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2036 with TARGET_FUNCTION_VALUE.
2038 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2041 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2043 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2045 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2048 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2051 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2054 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2056 * basic_block.h (bb_has_eh_pred): Fix comment.
2058 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2060 * flow.c (calculate_global_regs_live): Invalidate eh registers
2061 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2062 (propagate_block): Handle eh registers as if they were set at basic
2064 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2066 * global.c (global_conflicts): Make eh registers to conflict with
2067 pseudos live at basic block begin.
2068 * basic_block.h (bb_has_eh_pred): New function.
2070 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2072 PR rtl-optimization/28982
2073 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2074 index of a PRE_MODIFY or POST_MODIFY address.
2075 * reload1.c (inc_for_reload): Use find_replacement on the original
2076 base and index registers.
2078 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2080 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2081 for -Os. Update __m128 alignment requirement.
2083 2006-09-13 Jan Hubicka <jh@suse.cz>
2085 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2087 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2089 PR rtl-optimization/28243
2090 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2091 the insn to which the note was originally attached.
2093 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2094 Roger Sayle <roger@eyesopen.com>
2096 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2097 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2098 on platforms that don't use dwarf for debug info.
2100 2006-09-12 Jason Merrill <jason@redhat.com>
2103 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2104 hard_frame_pointer_rtx after using it to update the frame pointer.
2106 2006-09-12 Roger Sayle <roger@eyesopen.com>
2108 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2109 (TARGET_ASM_CLOSE_PAREN): Likewise.
2110 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2111 (TARGET_ASM_CLOSE_PAREN): Likewise.
2113 2006-09-12 Roger Sayle <roger@eyesopen.com>
2116 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2117 frame information for frames larger than 512 Kbytes on Tru64 when
2118 using the native assembler.
2120 2006-09-12 Roger Sayle <roger@eyesopen.com>
2124 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2125 and symbols. Instead use the implementation from cse.c's hash_rtx.
2127 2006-09-12 Jan Hubicka <jh@suse.cz>
2129 PR rtl-optimization/28071
2130 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2131 (vect_transform_loop): Likewise.
2132 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2133 (new_loop_vec_info): Likewise.
2134 (destroy_loop_vec_info): Likewise.
2135 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2136 (create_stmt_ann): Likewise.
2137 (create_tree_ann): Rename to ...
2138 (create_tree_common_ann): ... this one; allocate only the common part
2140 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2141 (get_value_handle): Likewise.
2142 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2143 get_tree_common_ann.
2144 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2145 (vinfo_for_stmt): Use stmt annotations.
2146 * tree-flow.h (tree_ann_common_t): New type.
2147 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2148 (tree_ann, get_tree_ann, create_tree_ann): New.
2149 * tree-flow-inline.h (get_function_ann): Do more type checking.
2150 (stmt_ann): Likewise.
2151 (tree_ann): Rename to ...
2152 (tree_common_ann): ... this one; return ony common_ann
2153 (get_tree_ann): Rename to ...
2154 (tree_common_ann): This one; return only common_ann.
2155 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2158 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2160 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2161 with_cpu by default.
2163 * dwarf2out.c (dwarf_file_data): New.
2164 (enum dw_val_class): Add dw_val_class_file.
2165 (struct dw_val_struct): Add val_file.
2166 (file_table): Change to a hash table.
2167 (file_table_emitted): Delete.
2168 (file_table_last_lookup_index): Delete.
2169 (emitcount): Delete.
2170 (last_emitted_file): New.
2171 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2172 (init_file_table): Delete.
2173 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2174 (AT_addr): Add comment.
2178 (print_die): Handle dw_val_class_file.
2179 (print_dwarf_line_table): Update for new file table structure.
2180 (attr_checksum): Do checksum a filename.
2181 (same_dw_val_p, same_attr_p): Do compare a filename.
2182 (size_of_die): Handle dw_val_class_file.
2183 (value_format): Likewise.
2184 (output_die): Likewise. Also, call maybe_emit_file here.
2185 (struct file_info): Constify filenames. Make file_idx a pointer
2186 to a struct dwarf_file_data.
2187 (struct dir_info): Constify directory names. Remove 'used' field.
2188 (struct file_name_acquire_data): New.
2189 (file_name_acquire): New.
2190 (output_file_names): Modify to handle new file data structures.
2191 (add_src_coords_attributes): Use add_AT_file.
2192 (add_call_src_coords_attributes): Likewise.
2193 (dwarf2out_imported_module_or_decl): Likewise.
2194 (gen_subprogram_die): Modify for new file data structures.
2195 (gen_variable_die): Likewise.
2196 (file_table_eq): New.
2197 (file_table_hash): New.
2198 (file_table_last_lookup): New.
2199 (lookup_filename): Rewrite to handle new file data structures.
2200 (maybe_emit_file): Rewrite to handle new file data structures.
2201 (dwarf2out_source_line): Always call lookup_filename and
2203 (dwarf2out_init): Create file_table here.
2204 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2205 (file_table_relative_p): New.
2206 (dwarf2out_finish): Change detection of relative filenames
2207 to work with new file data structures. Move output_line_info call
2208 after debug_info output.
2210 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2215 * config/i386/i386.c (override_options): Always default to 16
2216 byte stack boundary.
2218 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2221 * var-tracking.c (dump_dataflow_set): Start dumping at
2223 (clobber_variable_part): Kill only the variable part in
2224 registers holding it, leaving other variables alone.
2226 2006-09-11 Josh Triplett <josh@freedesktop.org>
2228 * doc/extend.texi (Other Builtins): Actually use the macro
2229 argument in the documentation example for
2230 __builtin_types_compatible_p.
2232 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2234 PR rtl-optimization/28726
2235 * sched-deps.c (sched_analyze_reg): New function extracted from...
2236 (sched_analyze_1): ...here. Call it to analyze references to
2237 registers. Treat again writes to a stack register as writing to the
2239 (sched_analyze_2): ...and here. Call it to analyze references to
2240 registers. Treat again reads of a stack register as reading the
2243 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2244 David Edelsohn <edelsohn@gnu.org>
2247 * config/rs6000/spe.md (frob_df_di): Remove %H.
2248 (frob_di_df): Remove %H. Change evmergelo to mr.
2249 (frob_di_df_2): Remove %H. Change evldd to two loads.
2251 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2253 * doc/cpp.texi: Fix names of charset options.
2255 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2258 * config/i386/i386.c (override_options): Use 128-bit
2259 stack boundary always for 64bits.
2261 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2263 PR rtl-optimization/28636
2264 * combine.c (force_to_mode): Test for side-effects before
2265 substituting by zero.
2266 (simplify_shift_const): Likewise for zero or other constants.
2268 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2271 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2274 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2277 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2278 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2279 returned by mode_for_size, rather than the mode of src itself,
2280 to choose between 32-bit and 64-bit patterns.
2281 (mips_mem_fits_mode_p): New function.
2282 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2283 that the size of the source matches the size of the destination.
2284 (mov_<store>l, mov_<store>r): Likewise.
2286 2006-09-10 Eric Christopher <echristo@apple.com>
2288 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2291 2006-09-09 Eric Christopher <echristo@apple.com>
2294 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2297 2006-09-09 Roger Sayle <roger@eyesopen.com>
2298 Nicolas Setton <setton@adacore.com>
2300 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2302 2006-09-10 Andreas Schwab <schwab@suse.de>
2304 * config/m68k/m68k.md (bungt_rev): New pattern.
2306 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2307 Dale Johannesen <dalej@apple.com>
2310 * regclass.c (struct reg_pref): Update documentation.
2311 (regclass): Set prefclass to NO_REGS if memory is the best option.
2312 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2314 2006-09-08 Eric Christopher <echristo@apple.com>
2316 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2317 * config/t-slibgcc-darwin: Support x86_64 multilib.
2318 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2319 Return 1 for x86_64-darwin.
2320 * config/i386/t-darwin: Add m64 multilib.
2321 (LIB2_SIDITI_CONV_FUNCS): Use.
2322 (LIB2FUNCS_EXTRA): Ditto.
2323 * config/i386/darwin.h: Support x86_64.
2324 * config/i386/i386.c (override_options): Turn on flag_pic
2325 for x86_64-darwin. Disable flag_omit_pointer.
2326 (get_pc_thunk_name): Assert !TARGET_64BIT.
2327 (legitimate_address_p): Disable machopic addressing for
2329 (legitimize_pic_address): Ditto.
2330 (ix86_expand_move): Ditto.
2331 (ix86_expand_call): Ditto.
2332 (machopic_output_stub): Ditto.
2333 * config/darwin.c (machopic_select_section): Support literal16.
2334 (machopic_select_rtx_section): Ditto.
2335 * config/darwin-sections.def: Ditto.
2336 * config/darwin-64.c: New.
2338 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2341 * c-tree.h (struct c_arg_info): Add pending_sizes.
2342 * c-parser.c (c_parser_parms_declarator,
2343 c_parser_parms_list_declarator): Initialize pending_sizes.
2344 * c-decl.c (get_parm_info): Initialize pending_sizes.
2345 (get_parm_info): Set pending_sizes.
2346 (grokdeclarator): Call put_pending_sizes for parameters for
2347 function definition only.
2349 2006-09-07 Jason Merrill <jason@redhat.com>
2352 * varasm.c (output_constant): Only strip actual no-op conversions.
2355 * config/i386/i386.c (override_options): Use 128-bit
2356 stack boundary if -msse.
2358 2006-09-07 Eric Christopher <echristo@apple.com>
2360 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2362 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2365 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2367 * dwarf2out.c: Remove strange characters from comment above
2368 dwarf2out_frame_debug_expr.
2370 2006-09-07 Eric Christopher <echristo@apple.com>
2372 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2373 * config/darwin.h: ... to here.
2375 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2377 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2379 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2380 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2382 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2383 TARGET_PARTIAL_FLAG_REG_STALL.
2384 (*ashldi3_cconly_rex64): Likewise.
2385 (*ashlsi3_cmp): Likewise.
2386 (*ashlsi3_cconly): Likewise.
2387 (*ashlsi3_cmp_zext): Likewise.
2388 (*ashlhi3_cmp): Likewise.
2389 (*ashlhi3_cconly): Likewise.
2390 (*ashlqi3_cmp): Likewise.
2391 (*ashlqi3_cconly): Likewise.
2392 (*ashrdi3_cmp_rex64): Likewise.
2393 (*ashrdi3_cconly_rex64): Likewise.
2394 (*ashrsi3_cmp): Likewise.
2395 (*ashrsi3_cconly): Likewise.
2396 (*ashrsi3_cmp_zext): Likewise.
2397 (*ashrhi3_cmp): Likewise.
2398 (*ashrhi3_cconly): Likewise.
2399 (*ashrqi3_cmp): Likewise.
2400 (*ashrqi3_cconly): Likewise.
2401 (*lshrdi3_cmp_rex64): Likewise.
2402 (*lshrdi3_cconly_rex64): Likewise.
2403 (*lshrsi3_cmp): Likewise.
2404 (*lshrsi3_cconly): Likewise.
2405 (*lshrsi3_cmp_zext): Likewise.
2406 (*lshrhi3_cmp): Likewise.
2407 (*lshrhi3_cconly): Likewise.
2408 (*lshrqi2_cmp): Likewise.
2409 (*lshrqi2_cconly): Likewise.
2411 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2414 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2415 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2416 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2417 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2418 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2419 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2420 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2421 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2422 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2423 implement only CC setting effects of shift instructions.
2425 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2427 * doc/contrib.texi: Add myself.
2429 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2432 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2433 was set by the user.
2435 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2438 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2439 (divsi_inv_m1): Use them.
2440 (UNSPEC_DIV_INV_TABLE): New constant.
2442 2006-09-06 James E Wilson <wilson@specifix.com>
2445 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2446 then call count_or_remove_death_notes.
2448 2006-09-06 Jason Merrill <jason@redhat.com>
2451 * tree-inline.c (copy_result_decl_to_var): New fn.
2452 (declare_return_variable): Use it. Call declare_inline_vars here.
2453 (expand_call_inline): Not here.
2455 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2457 * doc/contrib.texi: Update my entry.
2459 2006-09-06 Nick Clifton <nickc@redhat.com>
2461 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2463 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2466 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2467 (canonicalize_induction_variables): Likewise.
2468 (tree_unroll_loops_completely): Likewise.
2469 (tree_ssa_prefetch_arrays): Likewise.
2470 (remove_empty_loops): Likewise.
2471 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2472 TODO_cleanup_cfg instead of directly calling
2473 cleanup_tree_cfg_loop.
2474 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2476 (tree_unroll_loops_completely): Likewise.
2477 (remove_empty_loops): Likewise.
2478 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2479 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2480 of tree_ssa_unswitch_loops.
2481 (tree_ssa_loop_ivcanon): Use the return value of
2482 canonicalize_induction_variables.
2483 (tree_ssa_empty_loop): Use the return value of
2485 (tree_complete_unroll): Use the return value of
2486 tree_unroll_loops_completely.
2487 (tree_ssa_loop_prefetch): Use the return value of
2488 tree_ssa_prefetch_arrays.
2489 * passes.c (execute_todo): Before Cleanup CFG, set
2490 updating_used_alone and after cleanup CFG, call
2491 recalculate_used_alone.
2493 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2496 * tree-vect-transform.c (vectorizable_condition): Move the check
2497 for the type after the check for simple condition.
2499 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2500 Kaz Kojima <kkojima@gcc.gnu.org>
2503 * mode-switching.c (optimize_mode_switching): Make the destination
2504 block of an abnormal edge have no anticipatable mode. Don't
2505 insert mode switching code at the end of the source block of
2508 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2510 PR rtl-optimization/26847
2511 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2512 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2513 (simplify_plus_minus): Count n_constants while filling ops. Replace
2514 qsort with insertion sort. Before going through the array to simplify
2515 pairs, sort it. Delay early exit until after the first sort, exiting
2516 only if no swaps occurred. Simplify pairs in reversed order, without
2517 special-casing the first iteration. Pack ops after simplifying pairs.
2519 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2521 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2522 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2523 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2524 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2526 2006-09-05 Richard Guenther <rguenther@suse.de>
2528 PR tree-optimization/28900
2529 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2530 compound conditional before creating COND_EXPR condition.
2532 2006-09-05 Richard Guenther <rguenther@suse.de>
2534 PR tree-optimization/28905
2535 * tree-vrp.c (fix_equivalence_set): Manually implement
2536 !value_ranges_intersect_p to also handle symbolic ranges.
2538 2006-09-05 Richard Guenther <rguenther@suse.de>
2541 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2544 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2546 PR rtl-optimization/27616
2547 * cse.c (table_size): New static variable.
2548 (new_basic_block): Initialize it to 0.
2549 (remove_from_table): Decrement it.
2550 (insert): Increment it.
2551 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2552 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2553 fold_rtx_mem_1 if under the cap.
2554 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2555 the lookup of the equivalent expression and test for equality of the
2556 first operand of the equivalent expression before in turn looking up
2557 an equivalent constant for the second operand.
2559 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2562 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2563 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2564 pointer, instead of assuming it is possible to derive the
2565 correct args size from a call insn.
2567 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2570 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2571 (fold_builtin_mempcpy): Rename to...
2572 (fold_builtin_memory_op): ... this. Optimize one element copy
2574 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2576 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2577 (expand_builtin_memcpy, expand_builtin_mempcpy,
2578 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2579 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2580 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2581 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2583 2006-09-01 DJ Delorie <dj@redhat.com>
2585 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2586 (stzx_16): Likewise.
2587 ("stzx_24_<mode>"): Likewise.
2588 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2589 ("cmp<mode>_op"): New.
2590 (cmp<mode>): Change to expander; just save operands.
2592 (b<code>): Change to expander, emit compare here.
2593 (s<code>_op): Change to use split and expander.
2594 (s<code>_24_op): Likewise.
2595 (s<code>_<mode>): New.
2596 (s<code>_<mode>_24): New.
2597 (movqicc_<code>_<mode): New.
2598 (movhicc_<code>_<mode>): New.
2601 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2602 (m32c_pend_compare): New.
2603 (m32c_unpend_compare): New.
2604 (m32c_expand_scc): New.
2605 (m32c_expand_movcc): Emit the compare also.
2606 * config/m32c/predicates.md (mra_nopp_operand): New.
2608 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2609 Richard Guenther <rguenther@suse.de>
2610 Adam Nemet <anemet@caviumnetworks.com>
2613 * builtins.c (get_pointer_alignment): Handle more forms
2614 of base addresses that can be used to derive more precise
2615 information about alignment.
2617 2006-09-01 Jason Merrill <jason@redhat.com>
2620 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2623 * gimplify.c (voidify_wrapper_expr): Handle null type.
2625 2006-09-01 Josh Conner <jconner@apple.com>
2628 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2629 (execute_return_slot_opt): Use it.
2631 2006-08-31 Josh Conner <jconner@apple.com>
2634 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2635 returning aggregates.
2637 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2639 PR tree-optimization/28839
2640 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2641 blocks in that phi arguments appear.
2643 2006-08-31 Roger Sayle <roger@eyesopen.com>
2646 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2647 NULL, otherwise use an advance_loc4 to adjust relative to the
2649 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2650 (dwarf2out_switch_text_section): Reset the current label to avoid
2651 using advance_loc4 over section boundaries.
2653 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2656 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2657 r12 + SYMBOLIC_CONST.
2659 2006-08-30 Richard Guenther <rguenther@suse.de>
2661 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2663 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2665 PR rtl-optimization/27735
2666 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2667 Add new argument to keep track of whether an irreducible region
2668 was affected. All callers changed.
2669 (fix_irreducible_loops): Removed.
2670 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2671 flags were invalidated.
2673 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2675 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2676 instead of SF operands.
2677 (*fop_df_comm_sse): Likewise.
2678 (*fop_df_comm_i387): Likewise.
2679 (*fop_df_1_mixed): Likewise.
2680 (*fop_df_1_sse): Likewise.
2682 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2683 J"orn Rennecke <joern.rennecke@st.com>
2685 PR tree-optimization/17506
2686 * tree-ssa.c (warn_uninit): If warning about a location outside of
2687 the current function, note where the variable was declared.
2689 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2691 PR tree-optimization/28411
2692 * double-int.c (double_int_div): Use double_int_divmod.
2693 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2694 double_int_mod, double_int_smod, double_int_umod): New functions.
2695 * double-int.h (double_int_divmod, double_int_sdivmod,
2696 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2698 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2700 (get_computation_aff, get_computation_cost_at): Handle double_int
2701 return type of constant_multiple_of.
2703 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2706 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2707 an implicit conversion.
2709 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2711 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2713 2006-08-27 Roger Sayle <roger@eyesopen.com>
2715 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2718 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2720 * config/i386/crtfastmath.c: Fix a comment typo.
2722 2006-08-26 Roger Sayle <roger@eyesopen.com>
2724 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2725 temporary visit flags on CASE_LABEL_EXPRs.
2726 * c-common.c (match_case_to_enum): Add function comment. Avoid
2727 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2728 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2729 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2730 a constant, only warn if that constant value isn't handled.
2732 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2735 * input.h (restore_input_file_stack): Declare.
2736 (INPUT_FILE_STACK_BITS): Define.
2737 * toplev.c (fs_p, input_file_stack_history,
2738 input_file_stack_restored, restore_input_file_stack): New.
2739 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2740 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2741 (pop_srcloc): Don't free old state of stack.
2743 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2746 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2747 (PowerPC Type Attributes): New.
2749 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2751 * config/xtensa/xtensa.c (function_arg_boundary): New.
2752 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2754 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2755 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2757 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2760 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2763 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2765 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2766 (verify_local_live_at_start): Likewise.
2768 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2771 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2772 omp_add_variable): Treat sizes as variable whenever not
2775 2006-08-26 Richard Guenther <rguenther@suse.de>
2778 * fold-const.c (fold_binary): Fold temporary to correct
2779 type before constructing new comparison.
2781 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2784 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2785 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2787 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2790 * c-decl.c (start_function): Don't try to process prototype
2791 information from old declaration that isn't a function.
2793 2006-08-25 Jan Hubicka <jh@suse.cz>
2796 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2798 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2801 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2804 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2806 PR tree-optimization/16876
2807 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2808 exit if PARM doesn't match VALUE.
2810 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2812 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2813 literal_prefix directive.
2814 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2815 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2816 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2818 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2821 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2822 predicate to general_operand. Add 0->y and I->r alternatives.
2824 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2826 * doc/tm.texi: Fix a typo.
2827 * predict.c: Fix comment typos.
2829 2006-08-25 Nick Clifton <nickc@redhat.com>
2831 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2832 assertions of "cpu" and "machine".
2834 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2837 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2838 the access through a base which has an alias set of 0 cannot
2841 2006-08-24 Bill Wendling <wendling@apple.com>
2843 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2845 2006-08-24 Jan Hubicka <jh@suse.cz>
2847 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2849 2006-08-24 Jan Hubicka <jh@suse.cz>
2852 * cgraph.c: Fix comments.
2853 (cgraph_varpool_mark_needed_node): Mark only variables not already
2855 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2856 (cgraph_varpool_assembled_nodes_queue): New static variable.
2857 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2858 (cgraph_varpool_output_debug_info): New function.
2859 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2860 * Makefile.in: Add gt-cgraphunit.h
2862 2006-08-24 Jan Hubicka <jh@suse.cz>
2864 * predict.c (probability_reliable_p): New predicate.
2865 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2866 (predict_loops): Do not predict loop exit with less than 2%
2868 * basic-block.h (edge_probability_reliable_p,
2869 br_prob_note_reliable_p): Declare.
2870 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2871 prediction when static predictor is not reliable.
2872 * rs6000.c (output_cbranch): Likewise.
2874 2006-08-23 Stuart Hastings <stuart@apple.com>
2877 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2878 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2880 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2883 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2884 complex values, nor for generic vector values.
2886 2006-08-22 Richard Guenther <rguenther@suse.de>
2889 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2890 parameter. Convert arguments to arithmetic expression to the
2892 (analyze_scalar_evolution_1): Adjust caller.
2894 2006-08-22 Jan Hubicka <jh@suse.cz>
2896 Patch by Paolo Bonzini
2897 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2900 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2902 PR tree-optimization/28003
2903 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2904 before grouping aliases.
2906 2006-08-22 Roger Sayle <roger@eyesopen.com>
2908 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2909 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2911 2006-08-21 Jason Merrill <jason@redhat.com>
2914 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2915 wrapper. Loop to handle nested wrappers.
2916 (gimplify_bind_expr): Remove temp parameter.
2917 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2918 and STATEMENT_LIST on the rhs.
2919 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2920 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2921 (gimplify_target_expr): Remove special BIND_EXPR handling.
2923 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2925 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2928 2006-08-21 Olivier Hainque <hainque@adacore.com>
2930 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2931 Arrange for the temporary captures of components overlapping the lhs
2932 to happen before the lhs is possibly cleared.
2934 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2936 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2937 necessary places to pass the correct "number of registers" values
2940 2006-08-20 Jan Hubicka <jh@suse.cz>
2942 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2943 (create_name_tags): Instead of quadratic checking use hashtable.
2944 * bitmap.h: Include hashtab.h.
2945 (bitmap_hash): Declare.
2946 * bitmap.c (bitmap_hash): New function.
2948 2006-08-20 Jan Hubicka <jh@suse.cz>
2950 PR rtl-optimization/28071
2951 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2953 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2954 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2955 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2956 cgraph_decide_inlining_incrementally): Update use of
2957 cgraph_check_inline_limits.
2958 * cgraph.c (edge_hash, edge_eq): New function.
2959 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2960 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2961 cgraph_remove_node): Maintain call site hash.
2962 * cgraph.h (struct cgraph_node): Add call_site_hash.
2963 (cgraph_set_call_stmt): New function.
2965 2006-08-20 Jan Hubicka <jh@suse.cz>
2967 PR rtl-optimization/28071
2968 * reload1.c (reg_has_output_reload): Turn into regset.
2969 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2970 choose_reload_regs, emit_reload_insns): Update to new
2971 reg_has_output_reload.
2973 2006-08-20 Jan Hubicka <jh@suse.cz>
2976 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2977 function body sizes.
2978 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2980 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2983 * tree.c (handle_dll_attribute): Return early if not a
2984 var or function decl.
2986 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2989 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2990 alignment of SPE vector types.
2992 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2994 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2996 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2999 * cgraph.h (struct cgraph_node): Remove externally_visible
3001 * cgraphunit.c (process_function_and_variable_attributes): Set
3002 local.externally_visible rather than externally_visible.
3005 * c-common.c (handle_externally_visible_attribute): First look
3006 at TREE_CODE and only if it is function or var decl, check for
3007 non-public objects. Don't warn for DECL_EXTERNAL.
3008 * cgraphunit.c (process_function_and_variable_attributes): Warn
3009 if externally_visible attribute is used on non-public object.
3011 2006-08-17 Jan Hubicka <jh@suse.cz>
3013 PR tree-optimization/27865
3014 * reload1.c (forget_marked_reloads): New function.
3015 (forget_old_reloads_1): When data are passed, just mark the registers
3017 (reload_as_needed): Use the new mechanizm.
3019 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3022 * reload.h (reg_equiv_alt_mem_list): New declaration.
3023 * reload1.c (reg_equiv_alt_mem_list): New definition.
3024 (reload): Initialize it and release it.
3025 (delete_output_reload): Use it.
3026 * reload.c (push_reg_equiv_alt_mem): New function.
3027 (find_reloads_toplev): Call it.
3028 (find_reloads_address, find_reloads_address_1): Likewise.
3029 (find_reloads_subreg_address): Likewise.
3031 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3033 PR rtl-optimization/28489
3034 * sched-ebb.c (begin_schedule_ready): Create basic block
3036 (advance_target_bb): Skip empty blocks.
3037 * haifa-sched.c (bb_note): Make global.
3038 * sched-int.h (bb_note): Add prototype.
3040 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3042 PR tree-optimization/27865
3043 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3045 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3046 fold_used_pointer, pointer_used_p): New functions.
3047 (analyze_scalar_evolution_1): Use fold_used_pointer.
3048 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3049 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3052 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3055 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3056 or the INTEGER_CST. Fail on a CALL_EXPR.
3057 (fold_offsetof): Pass new argument to fold_offsetof_1.
3058 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3059 operand into an INDIRECT_REF.
3060 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3062 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3064 PR gcov/profile/26570
3065 * value-prof.c (static_values): Removed.
3066 (tree_find_values_to_profile): Do not set static_values.
3067 (find_values_to_profile): Do not free static_values.
3068 * profile.c (instrument_values): Do not free the values.
3069 (branch_prob): Free the values.
3071 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3073 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3075 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3078 * c-typeck.c (build_component_ref): Combine qualifiers of
3079 structure or union and field.
3081 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3083 PR rtl-optimization/28071
3084 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3085 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3086 * tree-into-ssa.c (struct dom_dfsnum): New.
3087 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3089 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3090 compute_global_livein.
3091 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3092 in phi nodes in the correct blocks.
3094 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3096 PR tree-optimization/28364
3097 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3099 (fold_affine_expr): New function.
3100 (may_eliminate_iv): Use fold_affine_expr.
3102 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3105 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3108 2006-08-16 Mike Stump <mrs@apple.com>
3110 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3111 * doc/cppopts.texi (-MD): Likewise.
3113 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3116 * c-common.c (handle_weak_attribute): Ignore and warn if
3117 not a FUNCTION_ or VAR_DECL.
3119 2006-07-15 Mike Stump <mrs@apple.com>
3122 * c-parser.c (c_parser_typeof_specifier): Don't use
3123 c_finish_expr_stmt, open code desired semantics instead.
3125 2006-08-15 Nick Clifton <nickc@redhat.com>
3127 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3128 fragment to tmake_file only if threads are enabled.
3129 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3130 * config/i386/t-gthr-win32: New file. ... here.
3132 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3135 * c-parser.c (c_parser_compound_statement_nostart): Reset
3136 parser->error after each statement.
3138 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3141 * omp-low.c (lower_omp_parallel): Convert t to
3142 receiver_decl's type.
3143 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3144 source before comparison.
3147 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3148 to itype in assignment to oldival2.
3150 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3154 * c-typeck.c (build_compound_expr): If the second expression
3155 is an error mark, then just return an error mark instead of
3156 creating a COMPOUND_EXPR.
3158 2006-07-14 Mike Stump <mrs@apple.com>
3160 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3162 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3164 * c-decl.c, var-tracking.c: Fix comment typos.
3166 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3168 PR rtl-optimization/28634
3169 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3170 for floating-point modes unless flag_unsafe_math_optimizations.
3172 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3173 Andrew Pinski <pinskia@physics.uc.edu>
3176 * tree.c (build_array_type): Unify array types with
3177 unspecified index_type.
3178 * c-decl.c (grokdeclarator): Make sure we do not modify a
3179 unified incomplete array type.
3180 * c-typeck.c (store_init_value): Create distinct type before
3181 filling in the index type in an initializer from a compound
3184 * c-decl.c (grokdeclarator): Remove code where we copy the
3187 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3189 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3190 into account for TODO_dump_cgraph.
3191 (TODO_update_ssa_no_phi): Likewise.
3192 (TODO_update_ssa_full_phi): Likewise.
3193 (TODO_update_ssa_only_virtuals): Likewise.
3194 (TODO_remove_unused_locals): Likewise.
3195 (TODO_set_props): Likewise.
3196 (TODO_update_stmt_usage): Likewise.
3198 2006-08-13 Dirk Mueller <dmueller@suse.de>
3200 * c-common.c (strict_aliasing_warning): Fix formatting.
3202 2006-08-13 Matthias Klose <doko@debian.org>
3204 * doc/invoke.texi: Fix spelling errors.
3206 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3208 PR rtl-optimization/23454
3209 * reorg.c (relax_delay_slots): Update comment.
3211 2006-08-11 Richard Guenther <rguenther@suse.de>
3214 * simplify-rtx.c (simplify_const_relational_operation):
3215 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3218 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3220 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3221 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3223 2006-08-10 Paul Brook <paul@codesourcery.com>
3225 * final.c (final_scan_insn): Clear current_insn_predicate before
3226 outputting inline asm.
3228 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3230 PR tree-optimization/26197
3231 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3232 get_ref_base_and_extent and overlap_subvar to add only relevant
3233 subvars as may-aliases.
3234 (add_may_alias_for_new_tag): New function, factored out of
3236 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3237 with additional argument.
3238 * tree-flow.h (new_type_alias): Takes additional argument.
3240 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3242 * gcov.c (no_data_file): New flag.
3243 (read_count_file): Set it if data file not present. Assume counts
3245 (output_lines): Don't name the data file, if there wasn't one.
3247 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3249 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3250 (rs6000_generate_compare): Tweak comments.
3251 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3253 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3255 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3256 (var_debug_decl): New function.
3257 (var_reg_set): Follow debug decl link. Add location even if
3258 reg is already known to hold some other variable.
3259 (var_mem_set): Follow debug decl link.
3260 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3261 decl link. Delete other known locations of the variable part
3263 (var_reg_delete, var_mem_delete): Delete other known locations
3264 of the variable part if requested.
3265 (same_variable_part_p): New function.
3266 (add_stores): Select MO_COPY when appropriate.
3267 (vt_initialize): Handle it.
3268 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3269 known locations for MO_SET and MO_CLOBBER.
3270 (find_variable_location_part): New function.
3271 (set_variable_part, delete_variable_part): Use it.
3272 (clobber_variable_part): New function.
3273 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3276 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3278 PR tree-optimization/26969
3279 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3280 with an empty list of PHIs.
3282 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3286 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3289 2006-08-06 Andreas Schwab <schwab@suse.de>
3291 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3292 string. Whitespace and comment fixup.
3294 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3297 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3301 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3304 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3306 2006-08-04 Jan Hubicka <jh@suse.cz>
3310 * reload.c (push_reload): Patch out the mismatching instruction;
3312 (find_reload): Bail out if the instruction was patched out.
3314 2006-08-04 Jan Hubicka <jh@suse.cz>
3316 PR tree-optimization/24888
3317 * tree-inline.c (expand_call_inline): Do not re-record variables.
3318 (declare_inline_vars): Add variable to unexpanded_var_list.
3320 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3321 Roger Sayle <roger@eyesopen.com>
3323 PR rtl-optimization/26244
3324 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3325 inner_const are negative or greater than or equal to the bitsize of
3326 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3327 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3328 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3329 CONST0_RTX (mode) when the new shift count is greater than or equal to
3330 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3333 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3335 * tree-cfg.c: Fix a comment typo.
3337 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3340 * varasm.c (output_constant): Give the front end another chance to
3341 expand constants, after stripping NOPs.
3343 2006-08-03 Jan Hubicka <jh@suse.cz>
3345 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3348 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3350 PR tree-optimization/27770
3351 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3352 declaration removed (moved to tree-flow.h).
3353 (vect_can_force_dr_alignment_p): Likewise.
3354 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3355 (moved from tree-vectorizer.h).
3356 (vect_can_force_dr_alignment_p): Likewise.
3357 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3358 from outside the vectorizer - in particular from cgraph stage.
3359 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3360 the alignment of global arrays when -fsection-anchors is enabled.
3361 * cgraphunit.c (cgraph_increase_alignment): New function.
3362 (cgraph_optimize): Call cgraph_increase_alignment.
3364 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3367 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3368 not reload a SPE symbol_ref into a lo_sum address.
3370 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3373 * dwarf2out.c (prune_unused_types_prune): Move call to
3374 prune_unused_types_update_strings to cover the parent DIE also.
3376 2006-08-02 Jan Hubicka <jh@suse.cz>
3378 PR gcov/profile/28480
3379 * tree-cfg.c (change_bb_for_stmt): New function.
3380 (tree_merge_blocks, tree_split_blocks): Use it.
3382 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3388 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3389 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3390 (cgraph_optimize): Likewise.
3392 2006-08-01 Stuart Hastings <stuart@apple.com>
3394 * rtl.h (UINTVAL) New.
3395 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3396 * testsuite/gcc.dg/20060801-1.c: New.
3398 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3401 * c-typeck.c (build_external_type): Mark used enum types.
3402 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3404 (gen_subprogram_die): Whitespace fix.
3406 2006-08-01 Jan Hubicka <jh@suse.cz>
3408 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3409 bitmap when not needed.
3410 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3413 2006-08-01 Dirk Mueller <dmueller@suse.de>
3415 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3417 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3419 * Makefile.in: Revert part of previous patch:
3420 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3423 2006-07-30 Eric Christopher <echristo@apple.com>
3426 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3427 (PowerPC Variable Attributes): New section.
3429 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3431 PR target/28126 (partial fix)
3432 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3434 2006-07-28 Jan Hubicka <jh@suse.cz>
3436 PR rtl-optimization/28071
3437 * cfgrtl.c (rtl_delete_block): Free regsets.
3438 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3440 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3442 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3443 and variables used in dependencies.
3445 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3447 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3448 %fs for -mcmodel=kernel.
3449 (stack_tls_protect_test_di): Likewise.
3451 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3453 * Makefile.in: Use mkinstalldirs.
3455 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3458 * opts-common.c (prune_options): Skip joined switches.
3460 2006-07-27 Jan Hubicka <jh@suse.cz>
3462 PR rtl-optimization/28071
3463 * cselib.c (cselib_process_insn): Don't remove useless values too
3464 often for very large hashtables.
3466 2006-07-27 Jan Hubicka <jh@suse.cz>
3468 PR rtl-optimization/28071
3469 * global.c (greg_obstack): New obstack.
3470 (allocate_bb_info): Use it.
3471 (free_bb_info): Likewise.
3472 (modify_reg_pav): Likewise.
3474 2006-07-27 Roger Sayle <roger@eyesopen.com>
3476 * builtins.c (fold_fixed_mathfn): When long and long long are the
3477 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3478 functions to their lceil*, lfloor*, lround* and lrint* forms.
3480 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3483 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3485 (rev_branch_insn): Likewise.
3487 2006-07-27 Jan Hubicka <jh@suse.cz>
3489 PR rtl-optimization/28071
3490 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3491 (reg_set_in_bb, max_reg_computed): New static variables.
3492 (regmove_optimize): Free the new array.
3493 (fixup_match_1): Update call of reg_is_remote_constant_p.
3495 2006-07-26 Jan Hubicka <jh@suse.cz>
3497 PR tree-optimization/27882
3498 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3500 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3502 (cgraph_analyze_compilation_unit): Likewise.
3503 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3504 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3505 (cgraph_early_inlinine): Make order garbage collected.
3506 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3508 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3510 * dbxout.c (output_types_sort): Add a comment.
3511 (output_used_types): Free the VEC.
3513 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3515 * function.c (reorder_fix_fragments): Delete.
3516 (reorder_blocks): Don't call it.
3517 (reorder_blocks_1): Put all subblocks under the origin block.
3519 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3521 PR rtl-optimization/27907
3522 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3525 2006-07-25 Roger Sayle <roger@eyesopen.com>
3528 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3529 bar(x) check that bar's result type can represent all the values of T.
3531 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3533 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3535 2006-07-25 Nick Clifton <nickc@redhat.com>
3537 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3538 size_lookup[] array.
3539 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3540 (ggc_pch_count_object): Likewise.
3541 (ggc_pch_alloc_object): Likewise.
3542 (ggc_pch_write_object): Likewise.
3543 (init_ggc): Do not attempt to initialize entries in the
3544 size_lookup[] array for objects whose size is greater than than
3545 the length of the array.
3547 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3549 * dbxout.c (output_used_types_helper): Push queued types
3551 (output_types_sort): New.
3552 (output_used_types): Collect used types on a VEC and sort them
3555 2006-07-24 Richard Guenther <rguenther@suse.de>
3558 * cgraph.c (cgraph_remove_node): Do not check if dumps
3560 * cgraphunit.c (cgraph_optimize): Likewise.
3562 2006-07-24 Jan Hubicka <jh@suse.cz>
3564 PR rtl-optimization/28071
3565 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3566 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3567 splitting before first stmt.
3569 2006-07-24 Jan Hubicka <jh@suse.cz>
3571 PR rtl-optimization/28071
3572 * ipa-inline.c (update_caller_keys): Remove edges that
3573 are no longer inline candidates.
3575 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3578 * dbxout.c (output_used_types_helper, output_used_types): New.
3579 (dbxout_symbol): Call output_used_types.
3581 2006-07-23 Jan Hubicka <jh@suse.cz>
3585 * cgraph.c (cgraph_varpool_nodes): Export.
3586 (decide_is_variable_needed): Ignored "used" attribute in
3587 unit-at-a-time mode.
3588 * cgraph.h (cgraph_varpool_nodes): Declare.
3589 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3590 unit-at-a-time mode.
3592 2006-07-23 Roger Sayle <roger@eyesopen.com>
3595 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3596 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3597 the __gthrw form of thr_keycreate.
3598 (__gthread_key_delete): Silence the unused argument warning.
3600 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3603 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3604 Cache the last found '\0' marker to avoid quadratic behavior.
3606 2006-07-23 Jan Hubicka <jh@suse.cz>
3608 * i386.md (subsi_3_zext): Fix output template.
3610 2006-07-21 Mike Stump <mrs@apple.com>
3612 * doc/invoke.texi (C++ Dialect Options): Note that
3613 -fvisibility-inlines-hidden doesn't affect explicitly
3614 instantiationed inline methods.
3616 2006-07-20 Roger Sayle <roger@eyesopen.com>
3618 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3619 if the target assembler is GNU binutils' gas.
3620 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3621 whether to pass GNU gas or native as command line options.
3623 2006-07-20 Jason Merrill <jason@redhat.com>
3625 * tree.c (remove_attribute): New fn.
3626 * tree.h: Declare it.
3628 2006-07-20 Paul Brook <paul@codesourcery.com>
3631 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3632 they are invalidated by this instruction.
3634 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3637 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3639 2006-07-20 Eric Christopher <echristo@apple.com>
3642 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3644 2006-07-19 Eric Christopher <echristo@apple.com>
3646 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3647 Rewrite dependencies for libgcc_s.1.dylib.
3649 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3651 * except.c (duplicate_eh_regions_1): Clear next_peer.
3653 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3655 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3656 -mlongcall does not guarantee all calls will be long.
3657 * doc/extend.texi (long_call/short_call): Document that longcall
3658 does not guarantee a long call will be used.
3659 (longcall/shortcall): Likewise.
3661 2006-07-18 Roger Sayle <roger@eyesopen.com>
3664 * expmed.c (expand_shift): Additionally check that the shift_cost
3665 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3666 before implementing a LSHIFT_EXPR as a sequence of additions.
3667 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3668 middle-end that DImode shifts need to be synthesized by expand.
3670 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3673 * tree-ssa-operands.c (access_can_touch_variable): Update
3675 Return true if ALIAS is .GLOBAL_VAR.
3677 2006-07-18 David Daney <ddaney@avtrex.com>
3679 * gcc.c (display_help): Fix typo in help text.
3681 2006-07-18 Olivier Hainque <hainque@adacore.com>
3683 * tree.h (categorize_ctor_elements): Adjust prototype and add
3684 descriptive comment, both in accordance with the interface change
3686 * varasm.c (constructor_static_from_elts_p): New function.
3687 Whether a constructor node is a valid static constant initializer
3688 if all its elements are.
3689 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3690 * output.h: Declare it.
3691 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3692 is a valid constant initializer instead of computing the number of
3693 non-constant elements. Use constructor_static_from_elts_p for this
3694 purpose. Replace the head comment with an indication that this is a
3695 helper for categorize_ctor_elements.
3696 (categorize_ctor_elements): Same interface change as for the _1
3697 helper. Former head comment from this helper moved here, adjusted to
3698 account for the interface changes.
3699 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3700 (all_zeros_p): Likewise.
3701 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3702 static versions of the constructor from the categorize_ctor_elements
3703 return value instead of the formerly computed number of non-constant
3706 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3708 * configure: Regenerate.
3709 * Makefile.in (build_libsubdir): New configure substitution
3710 (build_libobjdir): New variable.
3711 (BUILD_LIBIBERTY): Use it.
3713 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3716 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3718 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3721 * c-common.c (handle_weakref_attribute): Ignore attribute in
3722 the same conditions the alias attribute is ignored.
3724 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3726 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3727 (dbxout_begin_prologue): Increment scope_labelno.
3729 2006-07-17 Richard Henderson <rth@redhat.com>
3732 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3735 2006-07-17 Roger Sayle <roger@eyesopen.com>
3736 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3738 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3739 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3740 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3741 functions such as sbrk, write, etc.. Add function prototypes.
3742 Convert function declarations from K&R to ISO C. Cast pointers
3743 to "long" and "unsigned long" instead of "int" and "unsigned int".
3744 Convert tokens following #endif into comments.
3746 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3748 * invoke.texi: Remove mention of f77; Reformat table for
3749 inline parameter options correctly; mention that -malign-double
3750 is default on x86-64 targets.
3752 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3754 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3755 (convert_affine_scev, chrec_convert_aggressive): Use
3756 avoid_arithmetics_in_type_p. Do not check for the subtypes
3759 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3762 * optabs.c (expand_doubleword_shift): Wrap the call to
3763 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3765 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3768 * optabs.c (expand_binop): Pass next_methods rather than methods
3769 to expand_doubleword_shift.
3771 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3774 * tree.h (dump_addr): Declare.
3775 * print-tree.c (dump_addr): New function.
3776 (print_node_brief, print_node): Use it.
3777 * print-rtl.c (print_rtx): Likewise.
3778 * common.opt (-fdump-noaddr): New option.
3779 * doc/invoke.texi (-fdump-noaddr): Document.
3780 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3781 (ve_info_hash): Likewise.
3783 2006-07-13 Andrew Haley <aph@redhat.com>
3785 PR tree-optimization/19505
3786 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3787 edge leaving this block, make sure that the destination of this
3788 block has only one predecessor.
3790 2006-07-17 Richard Guenther <rguenther@suse.de>
3792 PR tree-optimization/28238
3793 * tree-inline.c (copy_bb): Check if we produced valid
3794 gimple copying and substituting a stmt. If not, gimplify
3797 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3799 * optabs.c (maybe_encapsulate_block): New function extracted from...
3800 (emit_libcall_block): ...here. Invoke it on the block of insns to
3801 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3802 (emit_no_conflict_block): Likewise.
3804 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3806 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3808 2006-07-15 Roger Sayle <roger@eyesopen.com>
3810 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3811 a new NOP_EXPR case of the switch statement.
3813 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3816 * stor-layout.c (place_field): Take the bit field with
3817 an excessive size into account in the ms-bitfiled case.
3820 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3821 the previous bit field.
3823 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3826 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3828 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3830 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3831 signal frames correctly even when the signal was installed with
3834 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3836 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3837 (dbxout_function_end): Use local label LFBB. Remove hook
3839 (dbxout_source_line): Use local label LFBB.
3840 (dbxout_block): Likewise.
3841 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3842 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3843 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3844 and DBX_OUTPUT_NFUN.
3846 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3848 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3850 2006-07-13 Jan Hubicka <jh@suse.cz>
3852 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3854 * output.h (align_variable): Declare.
3855 * varasm.c (align_variable): Export.
3856 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3857 when basic block changed.
3859 2006-07-13 Nick Clifton <nickc@redhat.com>
3861 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3862 walking the LOG_LINKS chain.
3864 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3866 * doc/invoke.texi (C++ Dialect Options): Explain difference
3867 between -fvisibility-inlines-hidden and setting hidden
3868 visibility explicitly.
3870 2006-07-12 Eric Christopher <echristo@apple.com>
3872 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3873 (stmp-lipo): Depend on libgcc.a.
3875 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3877 * tree.c: Fix a comment typo.
3879 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3881 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3883 (umulhisi3_r): Likewise.
3885 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3888 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3889 x < 19, vs wchar_t support.
3891 2006-07-12 Nick Clifton <nickc@redhat.com>
3893 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3894 instead of -isa=sh4.
3896 2006-07-12 Mike Stump <mrs@apple.com>
3898 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3900 2006-07-10 Eric Christopher <echristo@apple.com>
3902 * config/t-slibgcc-darwin: Rewrite.
3904 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3907 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3910 2006-07-08 Matthias Klose <doko@debian.org>
3912 * doc/sourcebuild.texi: Fix typo.
3914 2006-07-07 Mike Stump <mrs@apple.com>
3916 * toplev.c (process_options): Don't give -ffunction-sections may
3917 affect debugging warning for Mach-O.
3919 2006-07-07 James E Wilson <wilson@specifix.com>
3921 * config/mips/mips.md (cpu): Add sb1a.
3922 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3923 addition to sb1. Adjust comments to clarify SB-1A differences from
3925 (ir_sb1a_load): New. Modify bypasses to use it.
3926 (ir_sb1a_simple_alu): Likewise.
3927 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3928 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3929 (mips_issue_rate): Add PROCESSOR_SB1A.
3930 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3931 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3932 (TARGET_SB1): Add PROCESSOR_SB1A check.
3933 (TUNE_SB1): Likewise.
3935 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3936 * config/mips/mips.c (mips_store_data_bypass_p): New.
3937 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3938 store_data_bypass_p.
3940 2006-07-08 Paul Brook <paul@codesourcery.com>
3943 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3945 2006-07-07 Richard Guenther <rguenther@suse.de>
3948 * tree.h (build_one_cst): Declare.
3949 * tree.c (build_one_cst): New function.
3950 * tree-ssa-math-opts.c (get_constant_one): Remove.
3951 (insert_reciprocals): Use build_one_cst.
3952 * fold-const.c (fold_plusminus_mult): Likewise.
3954 2006-07-07 Roger Sayle <roger@eyesopen.com>
3956 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3957 * cfgloopanal.c (dump_graph): Likewise.
3958 * dojump.c (discard_pending_stack_adjust): Likewise.
3959 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3961 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3962 * function.c (finalize_block_changes): Likewise.
3963 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3964 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3965 * rtl.c (dump_rtx_statistics): Likewise.
3966 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3968 * varray.c (dump_varray_statistics): Likewise.
3969 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3970 decode_decimal64, encode_decimal128, decode_decimal128,
3971 decimal_real_to_decimal): Likewise.
3973 2006-07-07 Richard Guenther <rguenther@suse.de>
3975 PR tree-optimization/28187
3976 * tree-vrp.c (vrp_operand_equal_p): New function.
3977 (vrp_bitmap_equal_p): Likewise.
3978 (update_value_range): Use them to compare old and new
3981 2006-07-06 Roger Sayle <roger@eyesopen.com>
3983 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3984 a default case to switch statement to silence compiler warnings.
3986 2006-07-06 Roger Sayle <roger@eyesopen.com>
3989 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3990 the configured assembler supports the x87's ffreep mnemonic.
3991 * configure: Regenerate.
3992 * config.in: Regenerate.
3994 * config/i386/i386.c (output_387_ffreep): New function.
3995 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3996 (output_387_reg_move): Likewise.
3998 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4000 Port to hosts whose 'sort' and 'tail' implementations
4001 treat operands with leading '+' as file names, as POSIX
4002 has required since 2001. However, make sure the code still
4003 works on pre-POSIX hosts.
4004 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4005 which says you should use "tail -c +N" rather than "tail +Nc".
4006 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4008 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4010 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4013 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4016 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4017 PRE_{INC,DEC} of TFmode.
4019 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4020 Alan Modra <amodra@bigpond.net.au>
4023 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4026 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4029 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4030 Remove duplicate gtu.
4032 2006-07-05 Jason Merrill <jason@redhat.com>
4036 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4037 * c-common.c (handle_packed_attribute): So don't copy it here.
4038 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4040 2006-07-05 Mike Stump <mrs@apple.com>
4042 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4044 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4047 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4049 2006-07-05 Richard Guenther <rguenther@suse.de>
4052 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4053 TARGET_SSE2 targets if using SSE math.
4054 (*absdf2_1): Likewise.
4056 2006-07-05 Richard Guenther <rguenther@suse.de>
4058 PR tree-optimization/28162
4059 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4060 make sure to convert the operands to the correct type.
4062 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4064 PR tree-optimization/28218
4066 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4067 to calculate and free the dominator information.
4069 2006-07-04 Peter O'Gorman <peter@pogma.com>
4071 * mklibgcc.in: chmod 644 before ranlib during install.
4073 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4074 J"orn Rennecke <joern.rennecke@st.com>
4076 * configure.ac (.eh_frame data check): Use diff -b.
4078 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4081 * Makefile.in (BUILD_RTL): Add build/vec.o.
4082 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4083 (build/genextract): Delete.
4084 (build/genautomata): Likewise.
4086 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4089 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4090 128-bit IBM long doubles for ABI_V4.
4092 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4094 * tree.c (range_in_array_bounds_p): New predicate.
4095 * tree.h (range_in_array_bounds_p): Declare it.
4096 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4097 return a less conservative answer.
4098 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4099 and flag 'is_group'.
4100 (IS_ELEMENT_FOR_GROUP): New macro.
4101 (FOR_EACH_ACTUAL_CHILD): Likewise.
4102 (next_child_for_group): New helper function.
4103 (can_completely_scalarize_p): Take into account groups.
4104 (sra_hash_tree): Handle RANGE_EXPR.
4105 (sra_elt_eq): Likewise.
4106 (lookup_element): Be prepared for handling groups.
4107 (is_valid_const_index): Delete.
4108 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4109 instead of is_valid_const_index.
4110 <ARRAY_RANGE_REF>: New case.
4111 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4112 is_valid_const_index.
4113 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4114 (scan_dump): Dump info for groups too.
4115 (decide_instantiation_1): Likewise.
4116 (decide_block_copy): Assert that the element is not a group.
4117 Propagate decision to groups.
4118 (generate_one_element_ref): Handle RANGE_EXPR.
4119 (mark_no_warning): Iterate over actual childs.
4120 (generate_copy_inout): Likewise.
4121 (generate_element_copy): Likewise.
4122 (generate_element_zero): Likewise.
4123 (generate_element_init_1): Likewise.
4124 (dump_sra_elt_name): Handle RANGE_EXPR.
4126 2006-07-03 Roger Sayle <roger@eyesopen.com>
4128 PR tree-optimization/26251
4129 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4130 (thread_block): When optimizing for size refuse to thread jumps
4131 that would require duplication of blocks other than redirection
4134 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4136 * configure.ac: Fix thinko in previous check-in.
4137 * configure: Regenerate.
4139 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4142 * configure.ac (for lang...): Simplify nesting of conditionals.
4143 Test subdir_requires for non-enabled languages. Move processing
4144 of lang_opt_files and lang_tree_fiels below that test.
4145 * configure: Regenerate.
4146 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4148 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4150 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4152 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4154 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4157 2006-06-29 Jason Merrill <jason@redhat.com>
4164 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4165 * c-common.c (c_determine_visibility): Handle it here.
4166 * c-decl.c (finish_decl): Call c_determine_visibility for
4168 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4170 * varasm.c (default_assemble_visibility): Likewise.
4171 * c-common.c (handle_visibility_attribute): Complain about trying
4172 to give visibility to an already defined class, or trying to change
4173 declared visibility. Always attach the attribute.
4178 * attribs.c (decl_attributes): Ignore type-in-place attributes
4179 once the type has been defined.
4181 2006-06-29 Roger Sayle <roger@eyesopen.com>
4184 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4185 to indicate the cpplib has issued an error message for us.
4187 2006-06-29 Asher Langton <langton2@llnl.gov>
4190 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4191 insert a label at the end of an function under Mach-O.
4193 2006-06-29 Eric Christopher <echristo@apple.com>
4194 Evan Cheng <evan.cheng@apple.com>
4196 * predicates.md (vector_all_ones_operand): New.
4197 (nonimmediate_or_sse_const_operand): Ditto.
4198 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4199 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4200 (standard_sse_mode_p): Ditto.
4201 (standard_sse_constant_p): Add case for -1 vector.
4202 (ix86_expand_vector_move): Try to use.
4203 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4204 Call standard_sse_constant_opcode.
4205 (*movv4sf_internal): Ditto.
4206 (*movv2df_internal): Ditto.
4208 2006-06-29 Roger Sayle <roger@eyesopen.com>
4210 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4211 of XEXP to extract the operands of a MATCH_CODE rtx.
4213 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4215 * tree.c (tree_size): Do not waste tail padding in
4216 struct tree_string and make the size be the same as
4217 build_string will generate.
4219 2006-06-28 Jason Merrill <jason@redhat.com>
4222 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4223 may_aliases already in the tag's annotations to the bitmap.
4225 2006-06-28 Roger Sayle <roger@eyesopen.com>
4227 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4229 2006-06-28 Roger Sayle <roger@eyesopen.com>
4231 * genpreds.c (generate_switch_p): New function.
4232 (add_mode_tests): Push the new mode test down inside an AND expr
4233 if this allows the switch-suitable MATCH_CODE to be near the root.
4234 (write_match_code_switch): New function to write a MATCH_CODE as
4236 (write_predicate_stmts): New function to write a predicate RTX
4237 expression as a sequence of statements.
4238 (write_one_predicate_function): Use write_predicate_stmts.
4239 (write_tm_constrs_h): Likewise.
4241 2006-06-26 Fred Fish <fnf@specifix.com>
4243 * config/mips/t-sb1: New file.
4244 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4247 2006-06-26 DJ Delorie <dj@redhat.com>
4249 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4251 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4252 Jayant Sonar <jayants@kpitcummins.com>
4253 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4255 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4256 (subsi3, subsi3_1, subsi3_2): New.
4257 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4258 * config/m32c/mov.md (SI mov peephole): New.
4259 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4260 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4262 2006-06-26 Olivier Hainque <hainque@adacore.com>
4264 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4265 a CALL_EXPR target function declaration.
4267 2006-06-26 Richard Guenther <rguenther@suse.de>
4269 * tree.c (build_string): Do not waste tail padding in
4272 2006-06-26 Richard Guenther <rguenther@suse.de>
4274 * ggc-page.c (init_ggc): Add missing element to size_lookup
4278 2006-06-23 Richard Guenther <rguenther@suse.de>
4280 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4281 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4282 alignment requests instead. Add verification code.
4283 Add struct tree_function_decl and struct tree_binfo size to
4284 extra_order_size_table. Add missing element to size_lookup
4287 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4290 * fold-const.c (const_binop): Be prepared for self returning zero.
4291 Simplify code handling complex values.
4293 2006-06-24 Olivier Hainque <hainque@adacore.com>
4295 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4296 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4299 2006-06-24 Olivier Hainque <hainque@adacore.com>
4301 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4302 ARRAY_REF, so have the callback called for the low bound expression.
4304 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4306 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4307 * c-typeck.c (c_common_type): Disallow operations on decimal float
4308 types and other float types.
4309 * convert.c (convert_to_real): Don't ignore conversions involving
4310 decimal float types.
4312 2006-06-23 Olivier Hainque <hainque@adacore.com>
4314 * tree.c (max_int_size_in_bytes): New function, inspired from
4315 code in function.c:assign_temp.
4316 * tree.h (max_int_size_in_bytes): Declare.
4317 * function.c (assign_temp): Use it.
4318 * gimplify.c (create_tmp_var): Relax the assertions on the type
4319 properties, not mandating constant size any more.
4320 (force_constant_size): New static function.
4321 (gimple_add_tmp_var): Use it, forcing variable size to a
4322 constant upper bound if it is not constant on entry.
4324 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4327 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4328 for initialization and setting of one_only flag to ...
4329 (i386_pe_encode_section_info): ...here.
4330 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4331 Recheck that the symbol has not been defined.
4333 2006-06-23 Richard Guenther <rguenther@suse.de>
4335 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4336 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4337 alignment requests instead. Add verification code.
4338 Add struct tree_function_decl and struct tree_binfo size to
4339 extra_order_size_table. Add missing element to size_lookup
4342 2006-06-22 Roger Sayle <roger@eyesopen.com>
4343 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4346 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4347 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4349 2006-06-23 Ben Elliston <bje@au.ibm.com>
4351 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4352 negate dn -- manipulate it directly.
4354 2006-06-22 Roger Sayle <roger@eyesopen.com>
4355 Steven Bosscher <stevenb.gcc@gmail.com>
4358 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4359 generated by gen_move_insn to add REG_LABEL notes if necessary.
4361 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4363 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4364 (leaf_entry): Remove use of MIN_ESA.
4366 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4368 PR rtl-optimization/28121
4369 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4372 2006-06-21 DJ Delorie <dj@redhat.com>
4374 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4376 (mulhisi3_r): Likewise.
4378 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4381 * coverage.c (coverage_counter_alloc): Leave the index type
4383 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4386 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4388 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4389 section from the "Options for Code Generation Conventions".
4391 2006-06-21 Richard Henderson <rth@redhat.com>
4395 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4397 (global_symbolic_operand): Allow weak symbols, even if local_p.
4399 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4401 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4402 (find_interesting_uses_address): Punt if above function returns true.
4404 2006-06-21 Richard Guenther <rguenther@suse.de>
4406 * configure: Regenerated.
4408 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4410 * config/mips/mips.c (function_arg): Where one part of a
4411 complex argument is in registers and the other part in the stack,
4412 return a REG not a PARALLEL.
4414 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4416 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4417 when cross-compiling. Do not substitute libstdcxx_incdir.
4418 * configure: Regenerated.
4420 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4422 * varasm.c (mergeable_string_section): Check for embedded NULs and
4423 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4424 rather than TREE_STRING_LENGTH bytes.
4426 2006-06-21 Richard Guenther <rguenther@suse.de>
4428 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4429 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4432 2006-06-21 Richrad Guenther <rguenther@suse.de>
4434 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4435 Limit iteration over the dominators.
4437 2006-06-20 Roger Sayle <roger@eyesopen.com>
4439 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4440 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4442 2006-06-20 Richard Guenther <rguenther@suse.de>
4443 Michael Matz <matz@suse.de>
4445 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4447 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4448 * et-forest.h (et_free_pools): Prototype new function.
4449 * et-forest.c (et_free_tree_force): Free parent occurrence.
4450 (et_free_pools): New function.
4451 * dominance.c (free_dominance_info): Free et-forest alloc
4454 2006-06-20 Roger Sayle <roger@eyesopen.com>
4456 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4457 integer modes, attempt to directly construct an integer constant.
4459 * fold-const.c (native_encode_vector): Determine the size of each
4460 element from the vector type instead of the first vector element.
4462 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4463 if all of its elements/components are constant.
4464 (build_constructor_from_list): Likewise.
4466 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4468 PR tree-optimization/27331
4469 * tree-data-ref.c (free_data_ref): New function.
4470 (create_data_ref): Fail if the data reference has unknown access
4472 (free_data_refs): Use free_data_ref.
4474 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4477 * tree-inline.c (setup_one_parameter): Strip useless
4478 type conversion before adding it to the IR.
4479 (declare_return_variable): Likewise.
4481 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4484 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4486 2006-06-19 Mike Stump <mrs@apple.com>
4488 * tree.c (variably_modified_type_p): VM arguments don't make the
4491 2006-06-19 Richard Guenther <rguenther@suse.de>
4493 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4494 type conversions after folding.
4496 2006-06-19 Richard Guenther <rguenther@suse.de>
4498 * ggc-page.c (extra_order_size_tab): Add entries with
4499 size of struct function and basic_block.
4500 (size_lookup): Extend to cover sizes up to 511.
4501 (ggc_alloc_stat): Adjust user.
4502 (ggc_pch_count_object): Likewise.
4503 (ggc_pch_alloc_object): Likewise.
4504 (ggc_pch_write_object): Likewise.
4506 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4508 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4509 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4512 2006-06-19 Denis Chertykov <denisc@overta.ru>
4514 * config/avr/libgcc.S : Correct my wrong previous commit.
4516 2006-06-19 Roger Sayle <roger@eyesopen.com>
4519 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4520 have stripped a SUBREG from the shift count, so we may need to
4521 convert_to_mode back to the type's mode before calling make_tree.
4522 Use new_amount instead of amount to avoid expanding a tree twice.
4524 2006-06-19 Richard Guenther <rguenther@suse.de>
4527 * fold-const.c (operand_equal_p): Check if the argument types
4528 have the same precision before stripping NOPs.
4530 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4532 Fix PR tree-optimization/27341
4533 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4535 * tree-complex.c (pass_lower_complex): Update SMT usage.
4537 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4539 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4540 Add a new alternative to the constraint strings. Add move of
4541 operand 1 to 3 to the splitter definition.
4542 ("doloop_si_long"): Second contraint alternative removed.
4544 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4546 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4547 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4549 (AVR_HAVE_MOVW) Define.
4550 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4551 (ASM_SPEC): Add avr25.
4552 (LINK_SPEC): Add avr25.
4553 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4554 (base_arch_s): Add new member 'have_movw_lpmx'.
4555 (avr_arch_types): Init 'have_movw_lpmx'.
4556 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4557 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4558 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4559 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4560 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4562 (avr_file_start): Do not output '.arh' derective.
4563 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4564 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4565 * config/avr/avr.md (mcu_enhanced): Delete.
4566 (mcu_have_movw): Define.
4567 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4568 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4569 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4570 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4571 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4572 attiny861 and at86rf401 devices.
4574 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4576 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4579 2006-06-17 Karl Berry <karl@gnu.org>
4581 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4582 doc/gccint.texi, doc/install.texi (@dircategory): Use
4583 "Software development" instead of "Programming", following
4584 the Free Software Directory.
4586 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4588 * config/i386/i386.c (legitimate_tls_address)
4589 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4590 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4591 (*tls_dynamic_gnu2_combine_64): Likewise.
4593 2006-06-16 Richard Guenther <rguenther@suse.de>
4596 * fold-const.c (negate_expr_p): Do not introduce undefined
4597 overflow in negating INTEGER_CSTs.
4598 (fold_negate_expr): Rename from negate_expr. Revert last
4599 change for folding BIT_NOT_EXPR. Change semantics to
4600 return NULL_TREE for non-simplified negations. Do not
4601 strip type conversions and unify type handling.
4602 (negate_expr): New function, wrap around fold_negate_expr
4603 but ensure building a tree always. Strip type conversions
4604 here, fold to result type.
4605 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4607 2006-06-16 Roger Sayle <roger@eyesopen.com>
4610 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4611 that (would) return their results in stack registers.
4613 2006-06-16 Michael Matz <matz@suse.de>
4614 Richard Guenther <rguenther@suse.de>
4616 * fold-const.c (fold_truthop): Only return new tree node if
4617 we canonicalized something.
4619 2006-06-16 Richard Guenther <rguenther@suse.de>
4621 * function.h (enum function_frequency): Move declaration
4622 out of struct function.
4623 (struct function): Move bool fields and the enum to the bitfield
4624 section. Reorder elements to avoid padding. Remove unused
4625 fields left over from the RTL inliner removal.
4626 * function.c (free_after_compilation): Do not zero removed fields.
4627 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4628 (ipa-type-escape.o): Likewise.
4630 2006-06-16 Richard Guenther <rguenther@suse.de>
4632 * cgraph.h (struct cgraph_local_info): Turn bool elements
4634 (struct cgraph_node): Likewise.
4635 (struct cgraph_varpool_node): Likewise.
4637 2006-06-15 Richard Guenther <rguenther@suse.de>
4639 * fold-const.c (fold_truth_not_expr): Rename from
4640 invert_truthvalue. Give it fold_* semantics to avoid
4642 (invert_truthvalue): New function. Wrapper around
4643 fold_truth_not_expr.
4644 (optimize_minmax_comparison): Avoid creating garbage.
4645 (fold_unary): Use fold_truth_not_expr for folding
4647 (fold_ternary): Replace uses of invert_truthvalue with
4648 fold_truth_not_expr where applicable.
4649 * tree.h (fold_truth_not_expr): Prototype.
4651 2006-06-16 Richard Guenther <rguenther@suse.de>
4653 PR tree-optimization/27781
4654 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4655 * ipa-pure-const.c (target.h): Include.
4656 (analyze_function): Do not analyze functions that do not
4659 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4662 * tree-dfa.c (referenced_vars_dup_list): Remove.
4663 (find_referenced_vars): Remove assert.
4664 (referenced_var_check_and_insert): Replace dup list with assert.
4665 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4666 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4668 2006-06-15 Richard Guenther <rguenther@suse.de>
4670 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4671 extra unused identifiers if not dumping.
4672 (create_variable_info_for): Likewise.
4674 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4676 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4677 (derive_constant_upper_bound): Derive more precise upper bound in
4678 common cases. Return type changed to double_int.
4679 (record_estimate): Reflect the changed return type of
4680 derive_constant_upper_bound.
4681 * double-int.c (double_int_zext, double_int_sext): Fix.
4683 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4685 * configure.ac (CFLAGS): Get them from the toplevel or from the
4686 configure invocation.
4687 * configure: Regenerate.
4688 * Makefile.in (CFLAGS): Substitute value provided by configure.
4690 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4693 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4694 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4695 rather than calling add_stmt on it.
4696 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4698 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4701 * reload1.c (reload): Remove registers returned by update_eliminables
4702 from used_spill_regs.
4704 2006-06-13 DJ Delorie <dj@redhat.com>
4706 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4708 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4710 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4711 html__strip_dir, html__mkdir_p. Enhance install-html target.
4712 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4713 * configure: Regenerate.
4715 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4717 * fold-const.c (fold_cond_expr_with_comparison): Check for
4718 Objective-C++ as language in deciding COND_EXPR transformation.
4720 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4723 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4724 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4725 * config/sh/lib1funcs.h (SL, SL1): Define.
4726 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4727 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4728 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4729 (OBJS_Os_4_200): New variable.
4730 ($(T)libgcc-Os-4-200.a): Use it.
4731 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4732 when dividing 1 and/or by 0.
4734 2006-06-13 Roger Sayle <roger@eyesopen.com>
4736 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4737 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4738 * configure: Regenerate.
4740 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4742 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4743 for real instruction.
4745 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4748 * haifa-sched.c (check_cfg): Handle special case.
4750 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4753 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4754 Add debug_info parameter. Chain the vars to the BLOCK instead
4755 of the BIND_EXPR if debug info are requested for them.
4756 (pop_gimplify_context): Adjust for above change.
4757 (gimple_add_tmp_var): Likewise.
4758 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4760 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4761 (convert_local_reference): Likewise.
4762 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4763 (finalize_nesting_tree_1): Request that debug info be emitted
4764 for debug_var_chain.
4766 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4768 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4769 for PR target/27863.
4771 2006-06-13 Richard Guenther <rguenther@suse.de>
4774 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4776 2006-06-13 Richard Guenther <rguenther@suse.de>
4778 PR tree-optimization/27830
4779 * tree-inline.c (copy_body_r): For copying the operand
4780 of an ADDR_EXPR make sure to fold &* afterwards.
4782 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4784 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4785 lvalues in the fb_none case with side-effects.
4787 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4789 * tree-flow.h: Remove the prototype for
4790 compute_phi_arg_on_exit.
4791 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4792 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4795 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4797 * builtins.c (expand_builtin_return_addr): Only use
4798 frame_pointer_rtx when count == 0 and we are expanding
4799 __builtin_return_address.
4801 2006-06-12 Fred Fish <fnf@specifix.com>
4803 * config/mips/mips.c (mips_file_start): Create special section
4804 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4806 2006-06-11 Eric Christopher <echristo@apple.com>
4809 * stor-layout.c (place_field): Remove check for
4810 remaining_in_alignment when aligning at the end of a run.
4812 2006-06-11 Eric Christopher <echristo@apple.com>
4815 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4818 2006-06-11 Roger Sayle <roger@eyesopen.com>
4821 Revert incorrect fix for PR target/27158
4822 2006-05-08 Roger Sayle <roger@eyesopen.com>
4823 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4824 of a reg_equiv_constant if the result is a legitimate constant.
4826 2006-06-11 Roger Sayle <roger@eyesopen.com>
4829 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4830 extract a CONST_VECTOR element and interpret it as an integer.
4831 (vspltis_constant): Use const_vector_elt_as_int instead of the
4832 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4833 * config/rs6000/predicates.md (easy_vector_const): Consider
4834 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4836 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4839 * stor-layout.c (update_alignment_for_field): Don't add extra
4840 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4843 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4845 * config/mips/t-rtems: Add EL/EB multilib variants.
4847 2006-06-09 Mike Stump <mrs@apple.com>
4849 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4851 2006-06-09 David Daney <ddaney@avtrex.com>
4853 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4855 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4857 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4859 2006-06-09 Richard Guenther <rguenther@suse.de>
4861 PR tree-optimization/26998
4862 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4863 of signed types, only TYPE_MIN_VALUE is special, but for both,
4864 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4865 in this case, as is -fwrapv.
4867 2006-06-08 Mike Stump <mrs@apple.com>
4870 * config/darwin.c (darwin_asm_output_anchor): Disable
4871 -fsection-anchors on darwin for now.
4872 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4873 * rs6000/rs6000.c (optimization_options): Likewise.
4875 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4878 * config/i386/i386.c (classify_argument): Skip fields with invalid
4881 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4883 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4884 (cse_insn): Likewise for the stack_pointer_rtx.
4886 2006-06-08 Roger Sayle <roger@eyesopen.com>
4888 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4889 conditions from floating point comparisons.
4891 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4894 * expmed.c (struct alg_hash_entry): Fix type of field T
4895 to match synth_mult argument.
4896 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4898 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4901 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4904 2006-06-08 Richard Guenther <rguenther@suse.de>
4907 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4908 only, if overflow is defined and not trapping.
4909 (negate_expr): Likewise.
4911 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4913 PR tree-optimization/27872
4914 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4915 flag on the new exit edge of the unrolled loop.
4917 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4919 PR rtl-optimization/26449
4920 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4922 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4925 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4926 referenced_variables with matching DECL_UID's.
4927 (find_referenced_vars): Make sure duplicate list is empty to start.
4928 (referenced_var_p): Remove.
4929 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4930 Check if var is in the list, and add if needed. Update the duplicate
4931 list if a different var is in the list with the same DECL_UID.
4932 (add_referenced_var): Call routine to check and insert.
4933 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4934 * tree-flow.h (referenced_vars_dup_list): External declaration.
4936 2006-06-07 Fred Fish <fnf@specifix.com>
4938 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4941 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4944 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4945 the imaginary and real parts of a clobbered register.
4946 Emit insn to set the imaginary part.
4948 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4950 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4951 in lieu of unwind-dw2-fde.c.
4953 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4955 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4957 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4960 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4961 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4962 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4963 V4SImode temporaries and operations instead.
4965 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4967 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4970 2006-06-06 Mike Stump <mrs@apple.com>
4972 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4973 installing during build.
4975 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4977 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4979 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4980 * config/ia64/ia64.c (params.h): New header.
4981 (ia64_optimization_options): New function to adjust parameters.
4982 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4983 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4984 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4986 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4988 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4990 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4993 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4995 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4996 Victor Kaplansky <victork@il.ibm.com>
4998 PR tree-optimization/26360
4999 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5002 2006-06-04 Roger Sayle <roger@eyesopen.com>
5003 Andrew Pinski <pinskia@physics.uc.edu>
5006 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5007 for LABEL_DECL before calling DECL_WEAK.
5010 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5011 LABEL_DECL and PARM_DECL.
5013 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5017 * c-decl.c (grokdeclarator): Disallow variably modified types at
5018 file scope. Avoid marking shared array type of constant size as
5021 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5024 * c-common.c (fold_offsetof_1): Handle static members.
5026 2006-06-04 Eric Christopher <echristo@apple.com>
5028 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5029 (debug_rli): Output value for remaining_in_alignment.
5030 (update_alignment_for_field): Unconditionalize
5031 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5032 extra alignment code.
5033 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5034 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5035 * tree.h (record_layout_info_s): Remove prev_packed.
5036 * doc/extend.texi (ms_struct): Add documentation of format.
5038 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5040 * tree.h: Declare folding_initializer.
5041 * builtins.c (fold_builtin_constant_p): Give definite answer
5042 if folding inside an initializer.
5043 * fold-const.c: Define folding_initializer.
5044 (START_FOLD_INIT): Save and then set folding_initializer.
5045 (END_FOLD_INIT): Restore folding_initializer.
5047 2006-06-04 Richard Guenther <rguenther@suse.de>
5049 PR tree-optimization/27039
5050 * fold-const.c (fold_comparison): Handle pointer comparison
5051 again for all comparison codes. Compare offsets in signed
5053 (fold_binary): Move code from here.
5055 2006-06-03 Roger Sayle <roger@eyesopen.com>
5058 * config/i386/i386.c (construct_container): Split static issued_error
5059 flag into issued_sse_arg_error, issued_sse_ret_error and
5060 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5061 requires the use of x87 registers and the user explicitly
5062 specified the -mno-80387 command line option.
5064 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5066 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5067 HAVE_DECL_SIGALTSTACK.
5069 (segv_handler): Use MC_FLD.
5070 * configure.ac: Check for a sigaltstack declaration.
5071 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5072 * configure: Regenerate.
5073 * config.in: Regenerate.
5075 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5078 * Makefile.in (stmp-fixinc): Fix typo.
5080 2006-06-02 Roger Sayle <roger@eyesopen.com>
5082 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5083 are type correct. Clean-up.
5084 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5085 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5087 2006-06-01 DJ Delorie <dj@redhat.com>
5089 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5090 shift, as we've disabled the "switch" insn that needs it.
5092 2006-06-01 Per Bothner <bothner@bothner.com>
5094 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5095 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5096 * c-ppoutput.c (cb_define): Don't increment line 0.
5098 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5100 * doc/invoke.texi: Add cpu_type power6.
5101 * config.gcc: Add cpu_type power6.
5102 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5103 to power5+ with Altivec.
5104 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5105 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5107 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5109 * config/avr/avr.h (SET_ASM_OP): Define.
5111 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5113 * config/bfin/bfin.c: Fix comment typos.
5115 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5118 * doc/install.texi: Document --enable-bootstrap and
5119 --disable-bootstrap.
5121 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5123 * doc/install.texi: Document that InfoZIP can replace jar.
5125 2006-05-31 Roger Sayle <roger@eyesopen.com>
5127 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5128 isn't available, directly generate the simpler x87 patterns without
5129 the (use (const_int 0)).
5130 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5131 implementation isn't available.
5132 (*negdf2_1): Likewise.
5133 (*negxf2_1): XF mode negation is always done using the x87.
5134 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5136 2006-05-31 Roger Sayle <roger@eyesopen.com>
5138 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5139 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5141 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5143 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5145 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5146 * config/bfin/bfin.c (basic-block.h): Include.
5147 (struct machine_function): New.
5148 (bfin_init_machine_status): New.
5149 (override_options): Initialize init_machine_status.
5150 (bfin_hardware_loop): New.
5151 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5152 (DEF_VEC_P (loop_info)): New.
5153 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5154 (struct loop_info): New.
5155 (loop_info): New typedef.
5156 (struct loop_work): New.
5157 (loop_work): New typedef.
5158 (DEF_VEC_O (loop_work)): New.
5159 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5160 (bfin_dump_loops): New.
5161 (bfin_bb_in_loop): New.
5162 (bfin_scan_loop): New.
5163 (bfin_optimize_loop): New.
5164 (bfin_reorg_loops): New.
5165 (bfin_reorg): Use bfin_reorg_loops.
5166 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5168 (I_REGNO_P): Simplify.
5169 (DP_REGNO_P, DPREG_P): New macros.
5170 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5171 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5172 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5173 Add LT_REGS, LC_REGS, LB_REGS.
5174 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5176 (REGNO_REG_CLASS): Deal with loop registers.
5177 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5179 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5180 New constants for loop registers.
5181 (UNSPEC_LSETUP_END): New.
5182 (seq_insns): New define_attr. Set it for appropriate insns.
5183 (movsi_insn): Add alternatives for move from/to
5184 loop count registers.
5185 (doloop_end): New define_expand.
5186 (loop_end): New define_insn.
5187 (define_split for bad doloop_end): New.
5188 (lsetup_with_autoinit): New define_insn.
5189 (lsetup_without_autoinit): New define_insn.
5190 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5191 * config/bfin/predicates.md (lc_register_operand): New.
5192 (lt_register_operand): New.
5193 (lb_register_operand): New.
5194 (nondp_register_operand): New.
5195 (nondp_reg_or_memory_operand): New.
5196 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5198 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5200 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5201 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5203 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5205 * Makefile.in (CATALOGS): Add po/ prefix.
5206 * configure: Regenerated.
5208 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5211 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5212 a shift operand before calling shift_op. Avoid redundant call of
5215 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5216 DJ Delorie <dj@redhat.com>
5218 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5219 we're inserting is a singlt-bit constant.
5221 2006-05-30 Roger Sayle <roger@eyesopen.com>
5223 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5224 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5226 2006-05-30 Roger Sayle <roger@eyesopen.com>
5228 PR tree-optimization/23452
5229 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5230 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5231 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5232 complex values and with -ffast-math for FP complex values.
5234 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5236 * c-common.h: Remove the prototype for yyparse.
5237 * rtl.h: Remove the prototype for init_loop.
5239 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5241 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5244 2006-05-30 Roger Sayle <roger@eyesopen.com>
5246 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5248 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5249 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5251 2006-05-30 Dirk Mueller <dmueller@suse.de>
5254 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5255 for CONSTANT_CLASS_P expresisons.
5257 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5260 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5262 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5264 PR tree-optimization/27779
5265 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5266 initial_condition instead of CHREC_LEFT.
5268 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5270 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5271 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5272 Make prototypes ISO C90.
5274 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5275 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5277 * see.c (see_analyze_one_def): Correct check.
5278 (see_get_extension_data): Check if extension is parallel.
5279 (see_get_extension_reg): Likewise.
5281 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5284 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5285 into register for (code == GTU).
5287 2006-05-29 Roger Sayle <roger@eyesopen.com>
5289 PR tree-optimization/24964
5290 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5291 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5292 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5293 abs(x)*abs(x) as x*x for scalar floating point modes.
5295 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5298 * lambda-code.c (perfect_nestify): Don't copy statements
5299 in the inner loop: move them to the inner loop header.
5301 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5304 * c-tree.texi: Document OpenMP directives and clauses.
5306 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5308 * varasm.c (globalize_decl): Fix indentation.
5310 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5313 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5314 pass_fre, pass_store_ccp, pass_copy_prop,
5315 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5316 pass_return_slot, pass_object_size, pass_lim,
5317 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5318 pass_loop_prefetch and pass_stdarg.
5320 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5322 * config/bfin/bfin.opt (mfdpic): New option.
5323 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5324 (EXTRA_MULTILIB_PARTS): Likewise.
5325 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5326 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5328 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5329 (CRT_CALL_STATIC_FUNCTION): New.
5330 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5332 (CRT_CALL_STATIC_FUNCTION): New.
5333 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5335 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5336 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5337 (initialize_trampoline): Changed to handle FD-PIC code generation.
5338 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5339 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5340 (override_options): Disallow -mid-shared-library -mfdpic combination.
5341 Can't do unaligned ops if FD-PIC.
5342 Turn off flag_pic if trying to generate non-id-shared-library
5343 non-fdpic code, since it's not supported.
5344 (bfin_assemble_integer): New function.
5345 (TARGET_ASM_INTEGER): Define.
5346 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5348 * config/bfin/crtn.s: Restore them.
5349 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5351 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5352 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5353 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5354 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5355 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5357 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5358 FDPIC_REGS and FDPIC_FPTR_REGS.
5359 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5360 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5361 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5362 (load_funcdescsi): New pattern.
5363 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5364 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5365 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5367 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5369 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5372 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5374 * tree-flow.h: Remove the prototype for add_type_alias.
5375 * tree-ssa-alias.c (add_type_alias): Remove.
5377 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5379 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5380 config/fr30/fr30.md, config/i386/i386-interix.h,
5381 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5382 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5383 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5384 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5385 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5386 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5387 Follow spelling conventions.
5388 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5389 Follow spelling conventions.
5391 2006-05-27 Richard Guenther <rguenther@suse.de>
5394 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5395 to produce a constant of value 1 of generic type.
5397 2006-05-27 Dirk Mueller <dmueller@suse.de>
5399 * cgraphunit.c (decide_is_function_needed): Fix wrong
5402 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5404 PR rtl-optimization/27661
5405 * reload.c (find_reloads): When reloading a VOIDmode constant
5406 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5407 use Pmode as mode of the reload register.
5409 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5411 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5412 is enabled at -O and above.
5414 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5417 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5420 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5423 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5424 for anonymous variables explicitly declared by front ends.
5426 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5428 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5429 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5430 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5431 ref-all pointers, run a finalization pass for them.
5432 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5433 (finalize_ref_all_pointers): New function.
5434 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5435 regular pointer type to a ref-all pointer type.
5436 (get_tmt_for): Return the special memory tag for ref-all pointers.
5438 2006-05-25 Richard Guenther <rguenther@suse.de>
5441 * fold-const.c (fold_binary): Do not look at the stripped
5442 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5444 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5446 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5447 for LT and GT if the computed range is effectively empty.
5449 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5452 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5453 mips_quad_format formats instead of ieee_single_format,
5454 ieee_double_format and ieee_quad_format formats, respectively.
5456 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5458 PR tree-optimization/27639
5459 PR tree-optimization/26719
5460 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5461 call to scev_probably_wraps_p.
5462 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5463 used_in_pointer_arithmetic_p, convert_step): Removed.
5464 (nowrap_type_p): New function.
5465 (scev_probably_wraps_p): Rewritten.
5466 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5467 chrec_convert if chrec_convert_aggressive might have been used.
5468 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5469 scev_direction): New functions.
5470 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5471 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5472 instead of convert_step.
5473 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5474 (convert_step): Declaration removed.
5475 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5477 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5479 * df-core.c: Added to header comments.
5480 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5481 df_ur_bb_info, df_urec_bb_info): Added comments.
5482 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5483 urec, ri problems): Fixed header comments.
5484 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5485 code from df_rd_transfer_function.
5487 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5489 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5490 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5491 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5493 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5495 * expr.c (undefined_operand_subword_p): New.
5496 (emit_move_multi_word): Do not generate move from undefined bits
5497 of a paradoxical subreg.
5499 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5501 PR rtl-optimization/27736
5502 * combine.c (replaced_rhs_value): New variable.
5503 (combine_instructions): Set it.
5504 (distribute_notes): When distributing a note in replaced_rhs_insn,
5505 check whether the value was used in replaced_rhs_value.
5507 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5510 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5511 add_referenced_var instead of add_referenced_tmp_var.
5512 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5513 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5515 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5516 tree_optimize_tail_calls_1): Use add_referenced_var.
5517 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5518 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5519 Use add_referenced_var.
5520 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5521 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5522 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5523 Use add_referenced_var.
5524 * tree-dfa.c (struct walk_state): Remove.
5525 (find_referenced_vars): Remove walk state and vars_found hash table.
5526 (make_rename_temp): Use add_referenced_var.
5527 (find_vars_r): Pass less parameters to add_referenced_var.
5528 (referenced_var_p): New. Is var in referenced_var hash table.
5529 (referenced_var_insert): Assert var isn't already in hash table.
5530 (add_referenced_var): Don't need walk_state parameter. Add var if it
5531 isn't already in the hash table.
5532 (add_referenced_tmp_var): Remove.
5533 (find_new_referenced_vars_1): Use add_referenced_var.
5534 * tree-ssa-pre.c (create_expression_by_pieces,
5535 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5536 Use add_referenced_var.
5537 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5538 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5539 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5541 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5542 vect_create_data_ref_ptr, vect_create_destination_var,
5543 vect_init_vector, vect_build_loop_niters,
5544 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5545 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5546 Use add_referenced_var.
5547 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5548 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5549 (add_referenced_var): Add prototype.
5550 * tree-ssa-structalias.c (get_constraint_for,
5551 intra_create_variable_infos): Use add_referenced_var.
5553 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5555 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5556 big-endian paradoxical subregs.
5557 * var-tracking.c (struct micro_operation_def): Document that,
5558 for modify micro operations, insn is the subsequent instruction.
5559 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5560 (var_reg_set, var_mem_set): ... new functions.
5561 (add_stores): Record subsequent insn.
5562 (compute_bb_dataflow): Use new functions for MO_USE.
5563 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5564 notes after the insn, and modify notes before the insn known
5565 to be the subsequent one.
5566 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5568 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5571 * config/i386/i386.c (ix86_expand_builtin): Use
5572 gen_sse3_monitor64 for TARGET_64BIT.
5574 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5576 PR rtl-optimization/26375
5577 PR rtl-optimization/26855
5578 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5580 (df_ru_bb_local_compute): Reversed statements and removed bogus
5581 comment explaining why they should be in wrong order.
5582 (df_ru_dump, df_rd_dump): Enhanced debug info.
5583 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5585 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5586 reaching uses and fixed space problem.
5588 2006-05-23 Jan Hubicka <jh@suse.cz>
5590 * cgraphunit.c (decide_is_function_needed): Also nested functions
5591 and functions declared inline can be optimized out at -O0.
5593 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5595 * doc/install.texi (Configuration): Remove reference to CrossGCC
5599 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5602 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5603 ix86_compare_emitted is non-NULL.
5605 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5608 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5611 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5613 PR rtl-optimization/25514
5614 * combine.c (replaced_rhs_insn): New variable.
5615 (combine_instructions): Set replaced_rhs_insn when trying to replace
5616 a SET_SRC with a REG_EQUAL note.
5617 (distribute_notes): Use replaced_rhs_insn when determining the live
5618 range of a REG_DEAD register.
5620 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5621 Anatoly Sokolov <aesok@post.ru>
5623 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5624 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5625 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5626 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5627 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5628 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5629 at90usb647, at90usb1286 and at90usb1287 devices.
5630 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5631 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5633 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5635 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5637 2006-05-22 Richard Guenther <rguenther@suse.de>
5640 2006-01-31 Richard Guenther <rguenther@suse.de>
5641 Paolo Bonzini <bonzini@gnu.org>
5643 * doc/install.texi (--disable-libgcc-math): Document.
5645 2006-05-22 Richard Guenther <rguenther@suse.de>
5648 2006-01-31 Richard Guenther <rguenther@suse.de>
5650 * doc/invoke.texi (-msselibm): Document.
5651 * target.h (expand_library_builtin): New target hook.
5652 * builtins.c (expand_builtin): Use expand_library_builtin.
5653 (default_expand_library_builtin): New function.
5654 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5655 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5656 (link_gcc_math_spec): Declare.
5657 (static_specs): Add link_gcc_math_spec.
5658 * expr.h (default_expand_library_builtin): Declare.
5659 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5660 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5661 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5662 * config/i386/i386.opt (msselibm): New target option.
5663 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5664 (ix86_init_sse_abi_builtins): New function.
5665 (ix86_expand_library_builtin): Likewise.
5666 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5667 (override_options): Handle error conditions wrt -msselibm.
5668 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5669 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5670 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5673 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5676 * c-common.c (self_promoting_args_p): Skip erroneous args.
5679 * c-decl.c (finish_struct): Skip erroneous fields.
5681 2006-05-22 Nick Clifton <nickc@redhat.com>
5683 * config/cris/cris.opt (march): Remove VarExists attribute.
5684 (max-stackframe=): Likewise.
5686 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5688 * doc/rtl.texi: Fix a typo.
5689 * see.c: Fix comment typos.
5691 * tree-ssa-structalias.h (alias_info): Remove num_references.
5693 2006-05-21 Mike Stump <mrs@apple.com>
5695 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5697 (darwin_pragma_options): Use BAD instead.
5698 (darwin_pragma_unused): Likewise.
5699 (darwin_pragma_ms_struct): Likewise.
5701 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5703 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5705 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5707 PR rtl-optimization/27671
5708 * simplify-rtx.c (simplify_relational_operation_1): Fix
5709 simplifications of (eq/ne (xor x y) y) and
5710 (eq/ne (xor x y) x).
5712 PR tree-optimization/26622.
5713 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5716 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5718 * tree-cfg.c: Prune whitespace.
5719 (debug_tree_cfg): Point to correct header containing the
5722 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5725 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5727 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5730 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5731 or sorry count is non zero.
5733 2006-05-20 Andreas Schwab <schwab@suse.de>
5735 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5737 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5738 Kenneth Zadeck <zadeck@naturalbridge.com>
5740 PR rtl-optimization/26855
5742 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5744 (df_scan_alloc): Added code to properly handle multiword hard
5745 registers and add all_blocks parameter.
5746 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5747 code to properly handle multiword hard registers.
5748 (df_rescan_blocks): Added code to remove deleted blocks from
5750 (df_ref_create_structure, df_ref_record): Added code to properly
5752 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5753 and set DF_REF_PARTIAL.
5754 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5755 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5756 (df_scan_add_problem): Added flags parameter.
5757 (df_ref_create_structure): Changed switching structure.
5758 (df_bb_refs_record): Fixed case where duplicate artificial refs
5759 were created. Changed location of flags.
5760 (df_record_entry_block_defs): Added code to make stack pointer
5761 live in entry block. Refined cases where frame pointer is needed.
5762 Changed location of flags.
5763 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5764 (df_set_state): Removed function.
5765 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5766 df_insn_create_insn_record, df_insn_refs_delete,
5767 df_ref_create_structure): Formatting changes.
5768 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5769 df_delete_basic_block): New function.
5770 (df_init): Changed location of flags.
5771 (df_add_problem): Added flags parameter and the way flags are
5773 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5774 debug_df_chain): Improved debugging output.
5775 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5776 (df_refs_chain_dump): Removed df parameter.
5777 (df_iterative_dataflow): Added consistency check.
5778 (df_prune_to_subcfg): Made public.
5779 (df_analyze_problem): Added blocks_to_init parameter and made
5781 (df_ref_record, df_bb_refs_record, df_mark_reg,
5782 df_record_exit_block_uses): Whitespace changes.
5783 (df_dump): Whitespace changes.
5784 * df.h: Some reordering to remove forward references.
5785 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5786 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5787 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5788 (dataflow.flags): New field.
5789 (df.flag): Deleted field.
5790 (df_alloc_function): Added additional bitmap parameter.
5791 (df_dependent_problem_function): New type.
5792 (df_problem.changeable_flags): New field.
5793 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5794 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5795 (df_mw_hardreg): New struct.
5796 (DF_INSN_UID_MWS): New macro.
5797 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5799 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5800 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5801 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5802 (df_set_state): Removed function.
5803 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5804 * df-problems.c (df_chain_dump): Removed df parameter.
5805 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5806 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5808 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5809 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5810 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5811 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5812 DF_REF_MUST_CLOBBER cases.
5813 (df_ru_bb_local_compute_process_def,
5814 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5815 df_lr_bb_local_compute, df_ur_bb_local_compute,
5816 df_chain_create_bb): Made subreg aware.
5817 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5818 df_lr_bb_local_compute, df_lr_bb_local_compute,
5819 df_chain_create_bb): Cleanup to use proper macros.
5820 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5821 code to fixup bitvectors.
5822 (df_ri_alloc): Cleared lifetime.
5823 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5824 df_create_unused_note): New function.
5825 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5826 REG_DEAD and REG_UNUSED notes as well as register information.
5827 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5828 df_chains_dump): Fixed crash if problem was never run.
5829 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5830 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5831 df_ri_add_problem): Processes flags in uniform manner.
5832 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5833 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5834 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5835 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5836 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5837 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5838 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5839 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5840 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5841 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5842 * see.c (see_initialize_data): Ditto.
5843 * final.c (rest_of_clean_state) Added regstack_completed.
5844 * rtl.h (regstack_completed): Ditto.
5845 * reg-stack.c (regstack_completed): Ditto.
5847 2006-05-19 Mike Stump <mrs@apple.com>
5849 * c-tree.h (default_conversion): Remove.
5850 * c-common.h (default_conversion): Add.
5852 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5854 * tree-vrp.c (valid_value_p): New function.
5855 (adjust_range_with_scev): Fail if the value of bound is not
5858 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5860 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5861 (mips_fallback_frame_state): Use syscall numbers to determine
5862 the appropriate li instruction for the current ABI. Only use
5863 __NR_sigreturn for o32.
5865 2006-05-19 Nicolas Setton <setton@adacore.com>
5867 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5868 * langhooks.c (lhd_dwarf_name): New function.
5869 * langhooks-def.h (lhd_dwarf_name): Declare.
5870 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5871 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5872 * ada/misc.c (gnat_dwarf_name): New function.
5873 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5875 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5877 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5879 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5880 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5881 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5882 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5883 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5884 determine the size of Wtype, etc.
5885 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5886 (swfloatfuncs): New variable.
5887 (dwfloatfuncs): Likewise.
5888 (lib2funcs): Remove floating-point conversion functions from
5889 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5890 the set of conversion routines needed. Allow entries to specify
5891 an object name, filename and word size. Update users accordingly.
5892 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5893 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5897 2006-02-08 Roger Sayle <roger@eyesopen.com>
5900 * config/fixtfdi.c: New libgcc source file.
5901 * config/fixunstfdi.c: New source file.
5902 * config/floatditf.c: New source file.
5903 * config/floatunditf.c: New souce file.
5904 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5905 files above instead of config/mips/_tilib.c.
5906 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5908 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5910 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5911 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5913 2006-05-18 Mike Stump <mrs@apple.com>
5915 Fix up vla, vm and [*] sematics.
5921 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5922 (c_vla_unspec_p): Add.
5923 (c_vla_type_p): Add.
5924 * c-decl.c (struct c_scope): Add had_vla_unspec.
5925 (build_array_declarator): Add support for [*].
5926 (grokdeclarator): Likewise.
5927 (grokparms): Likewise.
5928 (get_parm_info): Likewise.
5929 * c-objc-common.c (c_vla_unspec_p): Likewise.
5930 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5931 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5932 typeof when argument is a variably modified type not inside sizeof or alignof.
5933 (c_parser_direct_declarator_inner): Propagate errors.
5934 (c_parser_sizeof_expression): Add support for [*].
5935 (c_parser_parms_declarator): Initialize had_vla_unspec.
5936 (c_parser_parms_list_declarator): Likewise.
5937 * c-typeck.c (c_vla_type_p): Add.
5938 (composite_type): Add support for vla compositing.
5939 (comptypes_internal): Add support for vla compatibility.
5940 (c_expr_sizeof_expr): Evaluate vla arguments.
5941 * tree.c (variably_modified_type_p): Update comment for [*].
5943 2006-05-18 Michael Matz <matz@suse.de>
5946 * config.host: Make assignments to host_xmake_file cumulative.
5947 * config.host (*-darwin*): Test $host, not $target.
5949 2006-05-12 Stuart Hastings <stuart@apple.com>
5951 * config/i386/i386.opt (-mstackrealign): New flag.
5952 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5953 (ix86_handle_cconv_attribute): Emit error when
5954 force_align_arg_pointer attribute collides with too many regparms.
5955 (ix86_function_regparm): Limit regparms when used with
5956 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5957 Support stack-realigning prologue in non-main functions. Emit
5958 warning for nested functions under -mstackrealign, emit error for
5959 nested functions with force_align_arg_pointer attribute.
5960 * doc/extend.texi (force_align_arg_pointer): Document it.
5961 * doc/invoke.texi (-mstackrealign): Document it.
5963 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5965 PR rtl-optimization/27477
5966 * combine.c (try_combine): Don't split a parallel consisting
5967 of two sets into two individual sets if both sets reference
5970 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5972 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5973 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5975 * doc/options.texi (VarExists): Updated.
5977 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5979 * unwind-dw2.c: Add declarations for uw_update_context and
5981 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5982 detected, advance frame state and context once to skip over stub.
5984 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5988 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5989 Call rewrite_into_loop_closed_ssa only when something changed.
5990 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5991 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5992 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5993 Test for perfect_nest_p here. Fix formating.
5994 (replace_uses_equiv_to_x_with_y): Fix formating.
5995 (stmt_uses_op): Removed.
5996 (can_convert_to_perfect_nest): Removed loopivs parameter.
5997 Complete the test by checking the scalar dependences.
5998 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6001 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6004 From Dan Kegel <dank@kegel.com>:
6005 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6007 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6009 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6010 if the element type is variably modified without recursing.
6012 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6015 * tree-loop-linear.c (try_interchange_loops): Test for
6016 no data dependences.
6018 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6020 PR tree-optimization/27548
6021 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6022 range of ssa names that appear on abnormal edges.
6023 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6024 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6026 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6029 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6031 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6034 * tree.h (OMP_PARALLEL_COMBINED): Define.
6035 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6036 (new_omp_context): Add is_combined_parallel argument.
6037 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6038 new_omp_context caller.
6039 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6040 Adjust gimplify_scan_omp_clauses callers.
6041 (omp_is_private): Issue errors if iteration variable is firstprivate
6042 or reduction in the current context.
6043 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6044 on combined parallel workshare constructs.
6046 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6048 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6049 (gcc-options.o): New rule.
6051 * optc-gen.awk: Protect variables for gcc-options.o with
6052 #ifdef GCC_DRIVER/#endif.
6054 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6056 Fix PR tree-optimization/27373
6057 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6058 (forward_propagate_addr_expr): Update call.
6060 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6062 * doc/options.texi: Move the Negative option.
6064 2006-05-16 Richard Guenther <rguenther@suse.de>
6066 PR tree-optimization/22303
6067 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6069 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6070 ccp_fold did not simplify the statement.
6072 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6075 * Makefile.in (GCC_OBJS): New.
6076 (OBJS-common): Add opts-common.o.
6077 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6078 (cpp$(exeext)): Likewise.
6079 (gcc.o): Also depend on opts.h.
6080 (opts-common.o): New.
6082 * common.opt (gcoff): Add Negative(gdwarf-2).
6083 (gdwarf-2): Add Negative(gstabs).
6084 (gstabs): Add Negative(gstabs+).
6085 (gstabs+): Add Negative(gvms).
6086 (gvms): Add Negative(gxcoff).
6087 (gxcoff): Add Negative(gxcoff+).
6088 (gxcoff+): Add Negative(gcoff).
6089 * config/i386/i386.opt (m32): Add Negative(m64).
6090 (m64): Add Negative(m32).
6092 * doc/options.texi: Document the Negative option.
6094 * gcc.c: Include "opts.h".
6095 (main): Call prune_options after expandargv.
6097 * optc-gen.awk: Generate common declarations for all flag
6098 variables in options.c. Output the neg_index field.
6100 * opts.c (find_opt): Moved to ...
6101 * opts-common.c: Here. New file.
6103 * opts.h (cl_option): Add a neg_index field.
6105 (prune_options): Likewise.
6107 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6110 * omp-low.c (expand_omp_parallel): Don't assert
6111 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6112 instead search for it.
6115 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6118 2006-05-16 Andreas Schwab <schwab@suse.de>
6120 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6123 2006-05-15 Roger Sayle <roger@eyesopen.com>
6126 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6127 integer constants other than zero are only legitimate on TARGET_64BIT.
6128 <CONST_VECTOR> Only zero vectors are legitimate.
6129 (ix86_cannot_force_const_mem): Integral and vector constants can
6130 always be put in the constant pool.
6132 2006-05-16 DJ Delorie <dj@redhat.com>
6134 * crtstuff.c (__dso_handle): Set section from
6135 TARGET_LBIGCC_SDATA_SECTION if defined.
6136 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6137 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6139 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6142 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6145 2006-05-16 Ben Elliston <bje@au.ibm.com>
6147 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6149 2006-05-15 Per Bothner <per@bothner.com>
6151 * tree.c: (last_annotated_node): Use source_locus typedef.
6152 This permits bootstrapping with --enable-mapped-location.
6154 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6156 PR tree-optimization/26830
6157 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6158 (info_for_ssa_name, current_info_for_ssa_name_age,
6159 blocks_to_update): New variables.
6160 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6161 (clear_ssa_name_info, initialize_flags_in_bb,
6162 mark_block_for_update): New functions.
6163 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6164 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6165 prepare_def_site_for): Use mark_block_for_update.
6166 (mark_def_interesting): Assert that the processed block is marked in
6167 blocks_to_update. Do not take blocks argument.
6168 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6170 (rewrite_update_init_block, rewrite_update_stmt): Only process
6171 blocks with statements to rewrite.
6172 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6173 (update_ssa): Initialize and free blocks_to_update. Do not
6174 clear flags on statements. Do not use blocks bitmap.
6175 * tree.h (SSA_NAME_AUX): Removed.
6176 (struct tree_ssa_name): Removed aux field.
6177 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6179 2006-05-15 Richard Guenther <rguenther@suse.de>
6181 PR tree-optimization/27603
6182 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6183 Do computations in original type.
6185 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6187 * see.c: Code style changes such as redundant paranthesis,
6188 redundant intialization of local variables etc.
6189 (see_main): Declared now as static.
6190 * doc/invoke.texi: Update that -fsee is not enabled by
6193 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6195 * omp-low.c (check_omp_nesting_restrictions): New function.
6196 (scan_omp_1): Call it.
6199 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6200 construct, return *VAR.
6202 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6204 PR rtl-optimization/27406
6205 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6208 2006-05-14 Roger Sayle <roger@eyesopen.com>
6210 PR rtl-optimization/27538
6211 * combine.c (expand_compound_operation): Call gen_lowpart
6212 before calling simplify_shift_const.
6214 2006-05-14 Roger Sayle <roger@eyesopen.com>
6216 PR rtl-optimization/22563
6217 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6218 a fixed width bitfield, always force the intermediates into psuedos.
6220 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6223 * mkconfig.sh: Use operator = instead of == for test.
6225 2006-05-13 Nick Clifton <nickc@redhat.com>
6227 * dwarf2out.c (dbx_reg_number): Check return value from
6228 LEAF_REG_REMAP and only use it if it is valid.
6229 (multiple_reg_loc_descriptor): Likewise.
6231 2006-05-13 Richard Guenther <rguenther@suse.de>
6233 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6236 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6238 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6239 information attached to non-INSNs such as NOTEs.
6240 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6242 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6244 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6246 * config/s390/s390.md: Adjust comment describing On constraint.
6248 2006-05-11 Jan Hubicka <jh@suse.cz>
6250 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6251 to be output at -O0.
6253 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6256 * fold-const.c (size_binop): Move sanity check for arguments to
6257 the beginning of the function.
6260 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6263 2006-05-11 Richard Guenther <rguenther@suse.de>
6266 * fold-const.c (fold_unary): Handle intermediate conversion
6267 to a pointer type like intermediate conversion to an integer
6268 type in folding of (T1)(T2)var to var.
6269 Match the code to the comment in the final conversion for
6270 (T1)(T2)var to (T1)var regarding to type precision. Rather
6271 than disallow T1 being of pointer type, assert that both T1
6272 and var are of pointer type or not. Make sure not to fall
6273 over the frontends lazyness wrt array to pointer decay though.
6275 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6277 * arm.c (arm_struct_value_rtx): Delete.
6278 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6279 (arm_init_cumulative_args): Always initialize nregs to zero.
6281 2006-05-10 Richard Guenther <rguenther@suse.de>
6283 PR tree-optimization/27532
6284 * tree-object-size.c (plus_expr_object_size): Fix typo.
6286 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6289 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6290 ashrdi_const, ashrdi3): Use a scratch register.
6292 2006-05-10 Richard Guenther <rguenther@suse.de>
6294 PR tree-optimization/27302
6295 * fold-const.c (operand_equal_p): For two comparisons,
6296 try comparison of one comparison code swapped if that yields
6299 2006-05-10 Ben Elliston <bje@au.ibm.com>
6301 * tree-pretty-print.c (pretty_print_string): No need to handle
6302 '\0' as a special character.
6304 * tree.h: Include "hashtab.h".
6305 (iterative_hash_expr): Use hashval_t in its prototype.
6306 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6308 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6311 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6312 (hppa*64*-*-hpux11*): Ditto.
6313 (hppa[12]*-*-hpux11*): Ditto.
6315 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6318 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6320 2006-05-09 Michael Matz <matz@suse.de>
6322 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6323 host_extra_gcc_objs and host_xmake_file.
6324 (<*-*-linux*>): Don't overwrite host_xmake_file.
6325 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6326 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6327 (host_detect_local_cpu): Declare.
6328 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6329 * config/i386/i386.c (override_options): Handle -mtune=native
6331 * config/i386/x-i386: New file.
6332 * config/i386/driver-i386.c: New file.
6333 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6336 2006-05-09 Dirk Mueller <dmueller@suse.de>
6337 Richard Guenther <rguenther@suse.de>
6340 * fold-const.c (fold_read_from_constant_string): Relax check
6341 for matching types to matching modes.
6343 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6345 PR rtl-optimization/27335
6346 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6349 2006-05-08 Chao-ying Fu <fu@mips.com>
6350 Richard Sandiford <richard@codesourcery.com>
6352 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6353 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6354 * config/mips/mips.md (UNSPEC_SCC): New constant.
6355 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6356 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6357 (mips_emit_compare): Use it.
6358 (mips_expand_vcondv2sf): New function.
6360 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6362 Fix PR tree-optimization/27093
6363 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6364 renaming when they become not-used_alone.
6366 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6368 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6369 relocation and relocation stubs.
6371 2006-05-08 Eric Christopher <echristo@apple.com>
6373 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6376 2006-05-08 Jan Hubicka <jh@suse.cz>
6379 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6380 unused static functions are needed.
6382 2006-05-08 Roger Sayle <roger@eyesopen.com>
6385 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6386 of a reg_equiv_constant if the result is a legitimate constant.
6388 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6391 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6392 standard 80387 constants, raise the cost to prevent
6393 compress_float_constant() to generate load from memory.
6395 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6397 * config/arm/constraints.md (c): Fix a typo.
6399 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6402 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6405 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6407 (_mm_mwait): Likewise.
6409 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6411 (sse3_monitor): Make it 32bit only.
6412 (sse3_monitor64): New. 64bit monitor.
6414 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6417 * config/i386/i386.c (classify_argument): Skip fields with invalid
6420 2006-05-07 Richard Guenther <rguenther@suse.de>
6422 PR tree-optimization/27409
6423 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6424 Do not try to find zero-sized subvars.
6426 2006-05-07 Richard Guenther <rguenther@suse.de>
6428 PR tree-optimization/27136
6429 * tree-ssa-loop-niter.c (get_val_for): Correct function
6430 comment, assert requirements.
6431 (loop_niter_by_eval): Stop processing if the iterated
6432 value did not simplify.
6434 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6436 * opts.c (flag_see): remove its setting at -O3.
6438 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6440 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6441 * arm/constraints.md: New file.
6442 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6443 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6444 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6445 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6446 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6447 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6448 * arm.md: Include constraints.md.
6449 (thumb_movsi_insn): Use satisfies_constraint_J.
6450 (movhi, movqi): Use satisfies_constraint_I.
6452 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6454 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6455 for atmeg a645 device.
6457 2006-05-06 Richard Guenther <rguenther@suse.de>
6459 PR tree-optimization/27151
6460 * tree-vect-transform.c (vectorizable_condition): Punt on
6461 values that have a different type than the condition.
6463 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6466 * c-parser.c (c_parser_cast_expression): Only insert casts into
6467 hash table if pointer.
6468 * function.c (used_types_insert_helper): Rename from
6470 (used_types_insert): Call used_types_insert_helper.
6471 * function.h (used_types_insert): Accept only one argument.
6473 2006-05-05 David Edelsohn <edesohn@gnu.org>
6475 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6476 scratch with output modifier.
6478 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6481 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6482 with output modifier.
6484 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6487 * config/mips/mips.c (mips_symbolic_address_p): Return true
6488 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6489 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6491 2006-05-04 Richard Guenther <rguenther@suse.de>
6493 PR tree-optimization/14287
6494 PR tree-optimization/14844
6495 PR tree-optimization/19792
6496 PR tree-optimization/21608
6497 PR tree-optimization/27090
6498 * tree-ssa-pre.c (try_combine_conversion): New function.
6499 (compute_avail): After constructing the value-handle
6500 expression, use try_combine_conversion to combine NOP_EXPRs
6501 with previous value-handle expressions and use the result if it
6504 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6506 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6508 2006-05-04 Jan Hubicka <jh@suse.cz>
6511 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6513 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6515 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6516 that this only matches CONST_INTs. All users changed to VOIDmode
6519 * config/bfin/bfin.c: Include "optabs.h".
6520 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6522 (enum bfin_builtins): Add a number of fractional and vector builtins.
6523 (bfin_init_builtins): Likewise.
6524 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6525 (safe_vector_operand, bfin_expand_binop_builtin,
6526 bfin_expand_unop_builtin): New functions.
6527 (bfin_expand_builtin): Handle the new builtins.
6528 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6531 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6534 * Makefile.in (OBJS-common): Add see.o.
6535 (see.o): Add dependencies.
6536 * common.opt (fsee): New flag for the see optimization was added.
6537 * opts.c (flag_see): Initialized.
6538 * passes.c (init_optimization_passes, pass_see): New pass.
6539 * rtl.h (see_main): Declaration as extern.
6540 * timevar.def (TV_SEE): New.
6541 * tree-pass.h (pass_see): Declaration as extern.
6542 * invoke.texi (-fsee): Document.
6543 * recog.c (validate_simplify_insn): New function.
6544 * recog.h (validate_simplify_insn): Declaration as extern.
6545 * df-problems.c (df_chain_dump): Check for NULL.
6547 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6548 Daniel Berlin <dberlin@dberlin.org>
6550 * cfgrtl.c (insert_insn_bb_end_new): New function.
6551 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6553 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6555 * df.h (struct web_entry): Moved from web.c.
6556 (union_defs): Declaration as extern.
6557 (unionfind_root): Likewise.
6558 (unionfind_union): Likewise.
6559 * web.c (struct web_entry): Moved to df.h.
6560 (unionfind_root): Remove static declaration.
6561 (unionfind_union): Likewise.
6562 (union_defs): Likewise and generalize to use callback function.
6563 (web_main): Update arguments for union_defs function call.
6565 2006-05-04 Richard Guenther <rguenther@suse.de>
6567 PR tree-optimization/26447
6568 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6569 produce SSA_NAME copies before the store stmt to avoid
6570 breaking exception handling.
6572 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6575 * gimplify.c (omp_is_private): If var is shared in some outer context,
6576 return false instead of true. Stop searching on parallel context
6579 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6582 * coverage.c: Use get_gcov_unsigned_t() instead of
6583 unsigned_type_node all over.
6585 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6587 PR tree-optimization/27381
6588 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6589 maintain the same immediate_use links.
6590 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6591 node rather than segfaulting.
6593 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6596 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6597 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6598 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6600 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6602 Fix PR tree-optimization/26626
6603 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6605 * tree-ssa-operands.c (access_can_touch_variable): Allow
6606 typecasting through union pointers.
6608 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6611 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6612 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6613 to find if var will be a global variable even in the nested context.
6614 (omp_copy_decl): Only check for global variable at the end, it might
6615 be overridden in outer contexts.
6616 (scan_sharing_clauses): For global variables don't create a field.
6617 (lower_rec_input_clauses): Do nothing for global shared variables.
6618 Emit a barrier at the end of ILIST if there were any decls in both
6619 firstprivate and lastprivate clauses.
6620 (lower_send_clauses): Do nothing for global variables except for
6623 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6625 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6626 of the correct signedness is returned.
6628 2006-05-02 Jeff Law <law@redhat.com>
6630 PR tree-optimization/27364
6631 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6632 multiply expressions.
6634 2006-05-02 Tom Tromey <tromey@redhat.com>
6636 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6638 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6641 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6642 -mthumb -fPIC are used.
6644 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6645 Joshua Kinard <kumba@gentoo.org>
6648 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6649 with 64-bit pointers.
6651 2006-05-02 Paul Brook <paul@codesourcery.com>
6653 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6655 (create_fix_barrier): Check that a suitable barrier location is
6657 (arm_reorg): Include ftmp->address in allowable range of addresses.
6659 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6662 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6665 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6668 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6669 around RESULT_DECL for result passed by reference.
6670 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6671 * omp-low.c (use_pointer_for_field): Don't look at
6672 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6673 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6674 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6675 time or var for passing by reference for
6676 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6677 TREE_ADDRESSABLE variables when passing by reference.
6679 * omp-low.c (dump_omp_region): Fix output formatting.
6682 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6683 (expand_omp_parallel): Likewise.
6684 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6687 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6688 on statement list containing also constructors and destructors.
6689 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6692 * except.c (duplicate_eh_regions): Fix clearing of
6693 cfun->eh->region_array entries.
6695 2006-05-01 DJ Delorie <dj@redhat.com>
6697 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6699 (gcc_cv_objdump): Likewise.
6700 * configure: Regenerated.
6702 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6705 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6706 templates for case 3 and 4.
6708 2006-05-01 DJ Delorie <dj@redhat.com>
6710 * vec.c: Include bconfig.h when appropriate.
6711 * Makefile.in (build/vec.o): Adjust dependencies.
6712 * mkconfig.sh: Make sure config.h isn't used for build machine
6715 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6717 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6719 (mark_phi_for_rewrite): New function.
6720 (insert_phi_nodes_for, mark_use_interesting): Call
6721 mark_phi_for_rewrite.
6722 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6723 (update_ssa): Initialize and free phis_to_rewrite.
6725 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6727 PR rtl-optimization/27291
6728 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6729 folded to a constant.
6731 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6733 PR tree-optimization/27283
6734 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6735 not whole # of iteration descriptions.
6736 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6737 uses abnormal ssa name.
6738 (niter_for_single_dom_exit): Ditto.
6739 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6740 return just the number of iterations.
6742 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6744 PR tree-optimization/27144
6745 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6746 (record_estimate): Only record constant upper bound.
6747 (infer_loop_bounds_from_undefined): Call
6748 compute_estimated_nb_iterations just once.
6749 (proved_non_wrapping_p): Renamed to ...
6750 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6751 (convert_step_widening, scev_probably_wraps_p): Call
6752 n_of_executions_at_most instead of proved_non_wrapping_p.
6753 (substitute_in_loop_info): Do not replace values in bounds.
6754 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6757 2006-05-01 Richard Henderson <rth@redhat.com>
6760 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6761 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6764 2006-05-01 Roger Sayle <roger@eyesopen.com>
6766 * c-typeck.c (parser_build_binary_op): Don't call the function
6767 unsigned_conversion_warning to spot operand/result type overflow.
6768 (build_binary_op): Instead, call convert_and_check instead of
6769 convert to report the problem when the operands are promoted.
6770 * c-common.c (unsigned_conversion_warning): Make static.
6771 * c-common.h (unsigned_conversion_warning): Delete prototype.
6773 2006-05-01 Richard Guenther <rguenther@suse.de>
6775 PR tree-optimization/26726
6776 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6778 (find_interesting_uses_address): ... we work around here
6779 by folding INDIRECT_REFs in the substituted base.
6781 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6783 * omp-low.c (dump_omp_region): Add newlines.
6785 2006-04-30 Roger Sayle <roger@eyesopen.com>
6787 * common.opt (Woverflow): New command line option.
6788 * c-common.c (constant_expression_warning): Check warn_overflow.
6789 (overflow_waring): Pass OPT_Woverflow to warning.
6790 (unsigned_conversion_warning): Likewise.
6791 (convert_and_check): Likewise.
6792 * doc/invoke.texi: Document new command line option.
6794 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6796 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6797 TARGET_NO_FP_IN_TOC for section anchors.
6798 (optimization_options): Enable section anchors for all
6799 non-"Objective" languages.
6801 2006-04-28 Eric Christopher <echristo@apple.com>
6803 * config/darwin-c.c (darwin_ms_struct): Move this
6804 (darwin_set_default_type_attributes): and this...
6805 * config/darwin.c: ... here.
6806 * config/darwin.h (darwin_ms_struct): Declare.
6808 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6810 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6812 2006-04-28 Roger Sayle <roger@eyesopen.com>
6815 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6816 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6817 an unsigned HOST_WIDE_INT.
6818 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6820 (really_start_incremental_init): No need to call convert because
6821 bitsize_zero_node is already of type bitsizetype.
6822 (push_init_level): Extract the value of constructor_index as an
6823 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6824 (process_init_element): Likewise.
6826 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6828 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6829 value before passing to make_relative_prefix.
6831 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6834 * builtins.c (expand_builtin_memset): Expand val in original mode.
6836 2006-04-27 Eric Christopher <echristo@apple.com>
6838 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6839 with #ifndef/#endif.
6840 * config/darwin-c.c (darwin_ms_struct): New.
6841 (darwin_pragma_ms_struct): Ditto.
6842 (darwin_set_default_type_attributes): Ditto.
6843 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6844 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6845 Register ms_struct pragma.
6846 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6847 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6848 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6849 darwin_set_default_type_attributes if TARGET_MACHO.
6851 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6853 PR tree-optimization/26854
6854 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6855 * doc/tree-ssa.texi: Update immuse iterator documentation.
6856 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6857 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6858 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6859 first_safe_imm_use, next_safe_imm_use): Remove.
6860 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6861 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6862 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6863 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6864 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6865 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6866 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6867 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6868 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6869 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6870 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6871 (perfect_nestify): Use new iterator.
6872 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6874 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6875 (next_imm_name): New field in struct immediate_use_iterator_d.
6876 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6877 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6878 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6879 * tree-cfg.c (replace_uses_by): Use new iterator.
6880 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6881 * tree-ssa-operands.c (correct_use_link): Remove.
6882 (finalize_ssa_use_ops): No longer call correct_use_link.
6884 2006-04-27 Stuart Hastings <stuart@apple.com>
6886 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6887 * config/t-darwin (crt3.o): Use it.
6888 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6889 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6890 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6891 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6892 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6895 2006-04-27 Roger Sayle <roger@eyesopen.com>
6897 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6898 size, force the intermediate into a new pseudo rather instead of
6899 performing both a bitwise AND and a bitwise IOR in memory.
6901 2006-04-27 Richard Guenther <rguenther@suse.de>
6903 PR rtl-optimization/26685
6904 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6905 this one "max-flow-memory-locations".
6907 2006-04-27 Richard Guenther <rguenther@suse.de>
6909 PR tree-optimization/25148
6910 * tree-vrp.c (compare_values): Remove code dealing with
6911 comparisons against type min/max value. Honour overflow
6912 and negative constants in code dealing with comparisons
6913 of plus and minus expressions.
6914 (value_inside_range): Use fold_binary with LE_EXPR and
6915 GE_EXPR rather than compare_values.
6917 2006-04-27 Dirk Mueller <dmueller@suse.de>
6919 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6922 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6924 * basic-block.h (safe_insert_insn_on_edge): Removed.
6925 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6927 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6928 Paolo Bonzini <bonzini@gnu.org>
6931 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6932 (simplify_and_const_int): Same.
6934 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6936 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6938 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6941 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6942 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6943 cgraph_global_info_ready.
6946 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6949 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6950 either decl or init is error_mark_node.
6953 * tree-flow.h (struct omp_region): Add sched_kind.
6954 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6955 instead of extracting omp for data.
6956 (expand_omp_for): Save extracted sched_kind.
6958 2006-04-25 Roger Sayle <roger@eyesopen.com>
6960 * expmed.c (store_bit_field): Also check whether the bitsize is
6961 valid for the machine's "insv" instruction before moving the
6962 target into a pseudo for use with the insv.
6963 * config/i386/predicates.md (const8_operand): New predicate.
6964 * config/i386/i386.md (extv, extzv, insv): Use the new
6965 const8_operand predicate where appropriate.
6967 2006-04-25 DJ Delorie <dj@redhat.com>
6969 * doc/install.texi (Specific): Clarify that this is not a list of
6970 supported hosts or targets.
6972 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6974 PR rtl-optimization/26725
6975 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6976 block's BB_DIRTY flag.
6978 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6980 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6983 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6984 to print an integer.
6986 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6988 * varasm.c (align_variable): New function.
6989 (get_block_for_decl): Apply align_variable to DECL before
6990 calculating section information.
6991 (assemble_variable): Split out alignment computation.
6993 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6995 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6998 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7000 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7001 MODE_PARTIAL_INT mode.
7002 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7003 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7005 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7006 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7008 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7010 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7012 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7013 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7014 MACFLAG_IH): Likewise.
7015 (movstricthi_1): Renamed from "*movstricthi".
7016 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7017 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7018 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7019 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7020 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7021 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7022 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7023 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7024 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7025 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7026 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7027 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7028 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7029 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7030 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7032 * doc/rtl.texi (ss_ashift): Improve wording.
7034 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7036 * dwarf2out.c (verify_marks_clear): New.
7037 (prune_unused_types): Call verify_marks_clear initially, not
7040 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7042 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7043 * doc/rtl.texi: Document them.
7044 * simplify-rtx.c (simplify_unary_operation,
7045 simplify_binary_operation_1): Don't abort when we see them.
7047 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7050 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7051 * configure.ac: Completely disregard languages that are not
7053 * configure: Regenerated.
7055 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7056 Richard Guenther <rguenther@suse.de>
7058 PR tree-optimization/27236
7059 * tree-inline.c (copy_body_r): Make sure to copy
7060 TREE_THIS_VOLATILE flag.
7062 2006-04-24 Richard Guenther <rguenther@suse.de>
7065 * tree-complex.c (update_parameter_components): Don't handle
7066 unused parameters which have no default def.
7068 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7069 Richard Guenther <rguenther@suse.de>
7071 PR tree-optimization/27218
7072 * tree-inline.c (expand_call_inline): Strip useless type
7073 conversions for the return slot address.
7075 2006-04-24 Richard Guenther <rguenther@suse.de>
7077 * cfgloop.h (struct loops): Remove unused field array. Reorder
7079 (LOOP_PREFETCH): Remove.
7081 2006-04-24 Richard Guenther <rguenther@suse.de>
7083 PR tree-optimization/22525
7084 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7085 variable, adjust types of generated expressions.
7087 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7089 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7090 (tree-vect-patterns.o): Likewise.
7092 (cselib.o): Likewise.
7093 (loop-doloop.o): Likewise.
7094 (regclass.o): Likewise.
7095 (reload1.o): Likewise.
7096 (explow.o): Replace target.h with $(TARGET_H).
7097 (ipa-prop.o): Likewise.
7098 (ipa-cp.o): Likewise.
7099 (ipa-inline.o): Likewise.
7100 (reorg.o): Likewise.
7101 (reg-stack.o): Likewise.
7103 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7105 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7107 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7109 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7111 * configure.ac: Completely disregard languages that are not
7113 * configure: Regenerated.
7116 * c-common.h (c_build_bitfield_integer_type): Declare.
7117 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7118 * c-common.c (c_build_bitfield_integer_type): ... here.
7120 2006-04-23 Roger Sayle <roger@eyesopen.com>
7123 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7124 a SImode SUBREG of a floating point register after no_new_pseudos.
7126 2006-04-23 Roger Sayle <roger@eyesopen.com>
7128 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7129 identify potentially eliminable registers to additionally catch
7130 VIRTUAL_INCOMING_ARGS_REGNUM.
7131 (addsi3): Update the conditions on when to use addsi_small_int.
7133 2006-04-23 Roger Sayle <roger@eyesopen.com>
7136 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7137 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7138 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7140 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7142 * fold-const.c (range_predecessor): Use operand_equal_p
7143 as the predicate for equality.
7144 (range_successor): Likewise.
7146 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7149 * config/soft-fp/op-common.h: Fix a typo.
7151 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7154 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7155 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7157 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7159 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7161 * doc/tm.texi: Fix a typo.
7163 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7165 * dwarf2out.c (struct die_struct): Document that die_sib makes
7166 a circular linked list.
7167 (FOR_EACH_CHILD): New.
7168 (reverse_die_lists): Delete.
7169 (reverse_all_dies): Delete.
7170 (add_dwarf_attr): Correct documentation.
7171 (remove_child_with_prev): New.
7172 (remove_child_TAG): Update for change to die_struct, use
7173 remove_child_with_prev.
7174 (add_child_die): Update for change to die_struct.
7175 (splice_child_die): Use remove_child_with_prev and add_child_die.
7176 (print_die): Use FOR_EACH_CHILD.
7177 (die_checksum): Likewise.
7178 (assign_symbol_names): Likewise.
7179 (output_location_lists): Likewise.
7180 (build_abbrev_table): Likewise.
7181 (calc_die_sizes): Likewise.
7182 (mark_dies): Likewise.
7183 (unmark_dies): Likewise.
7184 (unmark_all_dies): Likewise.
7185 (output_die): Likewise.
7186 (prune_unused_types_mark): Likewise.
7187 (prune_unused_types_walk): Likewise.
7188 (same_die_p): Update for change to die_struct.
7189 (break_out_includes): Likewise.
7190 (prune_unused_types_prune): Likewise.
7191 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7192 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7194 (dwarf2out_finish): Don't call reverse_all_dies.
7196 2006-04-21 Eric Christopher <echristo@apple.com>
7198 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7199 in comments and function names.
7201 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7204 * c-typeck.c (digest_init): Robustify.
7206 * c-typeck.c (pop_init_level): Simplify.
7208 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7210 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7212 2006-04-21 Paul Brook <paul@codesourcery.com>
7214 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7215 hardware floating point.
7217 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7219 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7222 2006-04-21 Nick Clifton <nickc@redhat.com>
7224 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7227 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7230 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7231 C++ lang type in traceback table for Objective-C++.
7233 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7235 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7237 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7239 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7242 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7243 were errors. Remove check for erroneous objects.
7245 2006-04-20 Jeff Law <law@redhat.com>
7247 PR tree-optimization/26854
7248 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7249 checking for zero or one use.
7250 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7251 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7252 * tree-ssa-reassoc.c (negate_value): Similarly.
7253 (reassociate_bb): Similarly.
7255 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7257 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7258 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7259 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7261 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7263 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7264 fp regs if the last fp arg doesn't fit in regs.
7266 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7269 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7270 that the last insn has the REG_INC note.
7272 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7273 Nathan Sidwell <nathan@codesourcery.com>
7276 * stor-layout.c (update_alignment_for_field): Do not align
7278 (place_union_field): Place union field at the start of the union.
7279 (place_field): Move ERROR_MARK check later, and use the current
7280 allocation position to maintain monotonicity.
7282 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7284 * dominance.c: Include timevar.h.
7285 (calculate_dominance_info): Use TV_DOMINANCE.
7286 * timevar.def (TV_DOMINANCE): New timevar.
7287 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7289 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7291 PR rtl-optimization/14261
7292 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7293 move would be an INSV insn.
7294 (noce_process_if_block): Don't optimize if the destination is a
7295 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7297 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7299 * config/s390/s390.md: Add comments with the instructions emitted
7300 by an insn pattern if macros are used.
7302 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7304 PR rtl-optimization/26026
7305 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7306 is a known power of two shifted left a variable amount.
7308 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7310 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7311 to hash table twice when the debug_str section has SECTION_MERGE.
7313 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7315 * config/soft-fp: New directory. From glibc.
7316 * config/soft-fp/t-softfp: New.
7317 * config/soft-fp/README: New.
7318 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7319 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7320 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7321 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7322 * config.gcc: Use rs6000/t-fprules-fpbit or
7323 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7325 * config/rs6000/sfp-machine.h: New. Based on glibc.
7326 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7328 * config/rs6000/t-fprules: Remove fp-bit rules.
7329 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7330 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7331 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7332 (softfp_wrap_start, softfp_wrap_end): New.
7334 2006-04-18 DJ Delorie <dj@redhat.com>
7336 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7338 2006-04-18 Devang Patel <dpatel@apple.com>
7340 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7342 2006-04-18 Nick Clifton <nickc@redhat.com>
7344 * config/sh/t-symbian: Add rule to build sh-c.o
7345 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7346 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7347 (sh_symbian_encode_section_info): Likewise.
7349 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7351 * builtins.c (expand_builtin_strcmp): Cover label definition of
7352 do_libcall with HAVE_cmpstrnsi.
7354 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7356 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7358 * function.h (temp_slot_p): New.
7359 (function): Change the type of x_used_temp_slots to
7360 VEC(temp_slot_p,gc) *.
7362 2006-04-18 Nick Clifton <nickc@redhat.com>
7364 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7365 flag_strength_reduce.
7367 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7369 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7373 Partial revert of revision 112637
7374 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7375 Dale Johannesen <dalej@apple.com>
7378 * regclass.c (struct reg_pref): Update documentation.
7379 (regclass): Set prefclass to NO_REGS if memory is the best option.
7380 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7382 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7384 PR tree-optimization/26821
7385 * tree-ssa-math-opts.c (get_constant_one): New.
7386 (insert_reciprocals): Use it.
7388 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7390 * dwarf2out.c (free_AT): Delete.
7391 (remove_AT): Update string ref counts.
7392 (remove_child_TAG): Don't call free_die.
7394 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7395 or DW_TAG_GNU_EINCL.
7396 (prune_unused_types_walk_attribs): Reset string refcounts.
7397 (prune_unused_types_update_strings): New.
7398 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7399 call free_die. Do call prune_unused_types_update_strings.
7400 (prune_unused_types): Empty debug_str_hash.
7402 2006-04-17 Roger Sayle <roger@eyesopen.com>
7404 * expr.c (expand_assignment): Optimize away no-op moves where the
7405 source and destination are equal and have no side-effects.
7407 2006-04-17 Richard Guenther <rguenther@suse.de>
7410 * reload.c (push_reload): Guard calls to get_secondary_mem
7413 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7415 * alias.c (reg_base_value, old_reg_base_value): Change the
7416 type to VEC(rtx,gc) *.
7417 (REG_BASE_VALUE, find_base_value, record_set,
7418 init_alias_analysis): Use VEC instead of VARRAY.
7420 * alias.c (alias_sets): Change the type to
7421 VEC(alias_set_entry,gc) *.
7422 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7423 VEC instead of VARRAY.
7424 (last_alias_set): Remove.
7426 * cgraph.h (cgraph_edge_p): New.
7427 Update the prototype of cgraph_function_versioning.
7428 * cgraphunit.c (cgraph_copy_node_for_versioning,
7429 cgraph_function_versioning): Use VEC instead of VARRAY.
7430 * ipa-cp.c (ipcp_insert_stage): Likewise.
7432 2006-04-16 Roger Sayle <roger@eyesopen.com>
7435 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7436 "A op B" or "A op C", we may need to convert A to the type of B and C.
7438 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7440 * target.h (struct gcc_target): Add mode_rep_extended.
7441 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7442 (init_num_sign_bit_copies_in_rep): Initialize it using
7444 (truncate_to_mode): Use it.
7445 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7446 * targhooks.h (default_mode_rep_extended): Declare it.
7447 * targhooks.c (default_mode_rep_extended): Define it.
7448 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7449 default_mode_rep_extended.
7450 (TARGET_INITIALIZER): Include it.
7451 * doc/tm.texi (Misc): Document it.
7452 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7453 (mips_truncated_to_mode): New function.
7455 2006-04-16 Roger Sayle <roger@eyesopen.com>
7458 * expr.c (compress_float_constant): Copy the narrow constant into
7459 a new pseudo before extending it to its final width.
7461 2006-04-16 Roger Sayle <roger@eyesopen.com>
7462 Andrew Pinski <pinskia@gcc.gnu.org>
7463 Dale Johannesen <dalej@apple.com>
7466 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7467 special case code to implement V8HImode and V16QImode with SSE2.
7469 2006-04-15 Roger Sayle <roger@eyesopen.com>
7471 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7472 trees are constructed with a suitable tree type.
7474 2006-04-15 Roger Sayle <roger@eyesopen.com>
7476 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7477 (integer_onep): Likewise.
7478 (integer_all_onesp): Likewise.
7479 (integer_pow2p): Likewise.
7480 (integer_nonzerop): Likewise.
7481 (real_zerop): Likewise.
7482 (real_onep): Likewise.
7483 (real_twop): Likewise.
7484 (real_minus_onep): Likewise.
7485 (int_size_in_bytes): Likewise.
7486 (host_integerp): Likewise.
7488 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7490 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7491 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7492 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7494 * tree-ssa-structalias.h (alias_info): Remove num_references.
7496 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7498 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7499 (output_bvb patterns): Likewise.
7500 * pa.c (output_bb): Use 'bb' insn for long branch case.
7501 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7502 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7503 1. Correct length operand for alternatives 1 and 2.
7504 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7505 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7507 2006-04-14 Roger Sayle <roger@eyesopen.com>
7509 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7510 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7511 were accidentally reverted by r112959.
7513 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7516 * except.h (eh_region_outermost): New prototype.
7517 * except.c (eh_region_outermost): New function.
7518 * tree-cfg.c (find_outermost_region_in_block): Use it.
7520 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7522 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7524 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7525 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7526 (init_reload, reload): Use VEC instead of VARRAY.
7527 * reload.h: Update the prototype for
7528 reg_equiv_memory_loc_varray.
7530 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7531 Eric Botcazou <ebotcazou@libertysurf.fr>
7533 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7536 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7539 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7540 to expand fallback builtin function call.
7542 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7545 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7546 and emit libcall here in case the builtin fails.
7547 (expand_builtin_strcmp): Always emit the libcall here on failure.
7549 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7551 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7552 * flow.c (reg_n_info): Change the type to
7553 VEC(reg_info_p,heap) *.
7554 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7556 * regs.h (reg_info_p): New.
7557 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7558 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7559 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7562 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7564 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7566 * params.h (MAX_SCHED_READY_INSNS): New macro.
7567 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7568 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7569 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7570 the ready list for 1 cycle during the first scheduling pass.
7571 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7573 2006-04-13 Richard Henderson <rth@redhat.com>
7576 * gimple-low.c (lower_omp_directive): Remove dead code.
7577 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7578 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7579 * omp-low.c (struct omp_region): Move to tree-flow.h.
7580 (root_omp_region): Export.
7581 (omp_regions, lookup_omp_region): Remove.
7582 (determine_parallel_type): Update for struct omp_region changes.
7583 (dump_omp_region): Dump regions with block numbers.
7584 (new_omp_region): Take type and block instead of stmt; malloc
7586 (free_omp_region_1, free_omp_regions): New.
7587 (expand_parallel_call): Take entry_stmt as argument; update for
7588 changes to omp_region.
7589 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7590 (remove_exit_barriers): New.
7591 (expand_omp_parallel): Update for struct omp_region changes.
7592 (expand_omp_synch): Likewise.
7593 (expand_omp): Likewise.
7594 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7595 (expand_omp_for_static_chunk): Likewise.
7596 (expand_omp_for): Likewise.
7597 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7598 (expand_omp_sections): Similarly, with GOMP_sections_end.
7599 (expand_omp_single): New.
7600 (build_omp_regions_1): Update for OMP_CONTINUE.
7601 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7602 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7603 OMP_SECTIONS_SECTIONS.
7604 (lower_omp_single_simple): Don't emit barrier here.
7605 (lower_omp_single_copy): Likewise.
7606 (lower_omp_single): Fix bindings, and lower to straightline now.
7607 (lower_omp_master, lower_omp_ordered): Likewise.
7608 (lower_omp_critical): Likewise.
7609 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7610 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7611 omp edges, free it afterward.
7612 (make_omp_sections_edges): Remove.
7613 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7614 (move_stmt_r): Handle OMP_CONTINUE.
7615 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7616 statement pointers to basic blocks. Add type member.
7617 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7618 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7619 * tree-inline.c (estimate_num_insns_1): Likewise.
7620 * tree-pretty-print.c (dump_generic_node): Likewise.
7621 * tree-ssa-operands.c (get_expr_operands): Likewise.
7622 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7623 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7624 (OMP_CONTINUE): New.
7625 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7626 (OMP_SECTIONS_SECTIONS): Remove.
7627 (OMP_SECTION_LAST): New.
7628 (OMP_RETURN_NOWAIT): New.
7630 2006-04-13 Roger Sayle <roger@eyesopen.com>
7632 * fold-const.c (native_encode_vector, native_interpret_real):
7633 Correct obvious mistakes in the previous check-in.
7635 2006-04-13 Roger Sayle <roger@eyesopen.com>
7637 * fold-const.c (native_encode_expr): New function to encode
7638 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7639 or VECTOR_CST into a specified buffer.
7640 (native_encode_int): New function.
7641 (native_encode_real): New function.
7642 (native_encode_complex): New function.
7643 (native_encode_vector): New function.
7644 (native_interpret_expr): Inverse of native_encode_expr to convert
7645 a target representation into an INTEGER_CST, REAL_CST etc...
7646 (native_interpret_int): New function.
7647 (native_interpret_real): New function.
7648 (native_interpret_complex): New function.
7649 (native_interpret_vector): New function.
7650 (fold_view_convert_expr): New function to constant fold/evaluate
7651 a VIEW_CONVERT_EXPR of a suitable constant expression.
7652 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7653 Change call of build1 to fold_build1 when constructing a
7656 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7657 Ulrich Weigand <uweigand@de.ibm.com>
7660 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7663 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7666 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7667 optimize to lo_sum for DFmode if !TARGET_FPRS.
7669 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7671 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7672 delete_alias_info, compute_flow_sensitive_aliasing,
7673 group_aliases): Use VEC instead of VARRAY.
7674 * tree-ssa-structalias.c (update_alias_info): Likewise.
7675 * tree-ssa-structalias.h (alias_info): Change the type of
7676 processed_ptrs to VEC(tree,heap) *.
7678 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7681 * config/sh/lib1funcs.h: New file, broken out of:
7682 * config/sh/lib1funcs.asm.
7683 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7685 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7686 * config/sh/lib1funcs-Os-4-200.asm: New file.
7687 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7688 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7689 (EXTRA_MULTILIB_PARTS): Include it.
7690 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7691 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7692 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7693 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7696 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7698 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7699 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7700 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7702 * tree-ssa-live.h: Include vecprim.h.
7703 (tree_partition_associator_d): Change the type of
7704 first_partition to VEC(int,heap) *.
7705 (tpa_first_partition): Use VEC instead of VARRAY.
7707 * Makefile.in (GTFILES): Move functions.h after tree.h.
7708 * function.c (reset_block_changes, record_block_change,
7709 check_block_change, free_block_changes): Use VEC instead of
7711 * function.h (function): Change the type of
7712 ib_boundaries_block to VEC(tree,gc) *.
7713 * tree-inline.c (copy_cfg_body): Initialize
7714 ib_boundaries_block to NULL instead of (varray_type) 0.
7716 2006-04-12 Roger Sayle <roger@eyesopen.com>
7718 * expr.c (emit_group_store): Correct operand order in call to
7719 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7720 a SUBREG_BYTE of zero.
7722 2006-04-12 Richard Guenther <rguenther@suse.de>
7724 * profile.c (compute_branch_probabilities): Remove code
7725 encapsulated in !ir_type (), which are remanents of the
7726 removed RTL profiling code.
7727 * rtl-profile.c: Remove.
7729 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7731 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7732 magic NULL_RTX comment.
7733 (function_arg): Store entire fp arg to mem if any part should go
7735 (rs6000_arg_partial_bytes): Adjust for above change.
7737 2006-04-11 Roger Sayle <roger@eyesopen.com>
7739 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7740 if it hasn't been initialized by dwarf2out_init.
7742 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7744 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7745 symbolic constants in branch patterns.
7747 2006-04-11 Roger Sayle <roger@eyesopen.com>
7749 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7751 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7753 PR rtl-optimization/27073
7754 * gcse.c (try_replace_reg): Revert last change. Continue to search
7755 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7758 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7760 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7761 aggregate types other than record and union types.
7762 (function_arg): Likewise.
7763 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7765 (function_value): In 64-bit mode, return objects that require it
7768 2006-04-11 Roger Sayle <roger@eyesopen.com>
7770 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7772 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7774 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7776 2006-04-03 Jeff Law <law@redhat.com>
7779 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7780 alias information too.
7782 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7784 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7786 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7789 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7790 (premark_used_types_helper): New.
7791 (premark_used_types): New.
7792 (gen_subprogram_die): Call premark_used_types.
7793 (prune_unused_types_walk): Do not prune perennial dies.
7794 * function.c (used_types_insert): New.
7795 * function.h (struct function): Add used_types_hash field.
7796 (used_types_insert): Add prototype.
7797 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7798 * c-parser.c (c_parser_cast_expression): Save casted types in used
7801 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7804 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7805 rs6000_explicit_options.float_gprs.
7807 2006-04-10 Roger Sayle <roger@eyesopen.com>
7809 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7810 from ix86_expand_vector_init_low_nonzero. Take an additional
7811 one_var argument indicating which element is non-zero. Support
7812 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7813 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7814 with one_var instead of ix86_expand_vector_init_low_nonzero.
7816 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7818 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7819 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7820 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7821 build/genextract.o): Depend on vecprim.h.
7822 * cfglayout.c, df-problems.c, function.c, genextract.c,
7823 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7824 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7828 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7830 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7831 Declare VECs of this type.
7832 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7833 (remove_children): Delete.
7834 (add_dwarf_attr): Use VEC routines.
7835 (add_AT_flag): Update for changes to add_dwarf_attr.
7836 (add_AT_int): Likewise.
7837 (add_AT_unsigned): Likewise.
7838 (add_AT_long_long): Likewise.
7839 (add_AT_vec): Likewise.
7840 (add_AT_string): Likewise.
7841 (add_AT_die_ref): Likewise.
7842 (add_AT_fde_ref): Likewise.
7843 (add_AT_loc): Likewise.
7844 (add_AT_loc_list): Likewise.
7845 (add_AT_addr): Likewise.
7846 (add_AT_lbl_id): Likewise.
7847 (add_AT_lineptr): Likewise.
7848 (add_AT_macptr): Likewise.
7849 (add_AT_offset): Likewise.
7850 (add_AT_range_list): Likewise.
7851 (get_AT): Use VEC_iterate.
7852 (remove_AT): Use VEC_ordered_remove.
7853 (free_die): Fold remove_children into here; have it use VEC_iterate.
7854 (print_die): Use VEC_iterate on attrs.
7855 (reverse_die_lists): Don't reverse attr lists.
7856 (die_checksum): Use VEC_iterate on attrs.
7857 (same_die_p): Likewise.
7858 (output_location_lists): Likewise.
7859 (build_abbrev_table): Likewise.
7860 (size_of_die): Likewise.
7861 (unmark_all_dies): Likewise.
7862 (output_abbrev_section): Likewise.
7863 (output_die): Likewise.
7864 (prune_unused_types_walk_attribs): Likewise.
7866 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7868 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7870 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7873 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7875 2006-04-09 Roger Sayle <roger@eyesopen.com>
7877 * expr.c (store_constructor): Don't bother clearing target if
7878 we're about to assign a vector to it using vec_init_optab.
7880 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7882 * tree-ssa-alias.c (lhs_may_store_to): New function.
7883 (recalculate_used_alone): Handle LHS of calls.
7885 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7889 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7890 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7891 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7892 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7893 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7894 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7895 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7896 stubs. Add ".align 8" directives before all ".dword" directives.
7897 (GTHREAD_USE_WEAK): Revise comment.
7898 (TARGET_ATTRIBUTE_WEAK): Define.
7899 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7900 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7901 * stublib.c: New file.
7906 * pa.md (cbranch patterns): Revise arguments used in calls to
7907 output_cbranch, output_bb and output_bvd. Add long branch length
7909 (fbranch patterns): Handle long branches.
7910 (jump): Revise length check. Revise arguments for output_lbranch call.
7911 Add long branch length attributes.
7912 (decrement_and_branch_until_zero): Add long branch length attributes.
7913 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7914 Likewise. Revise arguments for output_parallel_addb and
7915 output_parallel_movb calls.
7916 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7917 output_parallel_movb and output_parallel_addb): Update prototypes.
7918 * pa.c (output_cbranch): Revise arguments. Correct handling of
7919 nullification in long branches.
7920 (output_lbranch): Add new argument to control extraction of delay
7922 (output_bb): Handle long branches.
7923 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7924 output_parallel_addb): Likewise.
7926 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7928 PR rtl-optimization/27073
7929 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7932 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7934 * tree.h (tree_memory_tag): Add old_used_alone.
7935 (SMT_OLD_USED_ALONE): New macro.
7936 * tree-ssa-alias.c (recalculate_used_alone): Stop
7937 marking things for renaming unnecessarily.
7939 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7941 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7942 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7943 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7944 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7945 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7946 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7947 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7948 spelling convensions.
7949 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7950 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7951 typos. Follow spelling conventions.
7953 2006-04-07 DJ Delorie <dj@redhat.com>
7955 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7956 passed on the stack.
7957 (m32c_init_cumulative_args): When a function returns a structure,
7958 always pass the pointer to that return area on the stack.
7959 (m32c_function_arg_advance): Don't increment the parameter number
7960 if we're processing the returned structure pointer.
7961 (pushm_info): Reverse order of registers.
7963 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7965 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7966 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7967 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7968 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7970 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7971 chrec_fold_multiply): Same.
7972 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7973 force_expr_to_var_cost): Same.
7974 * tree-mudflap.c (mf_xform_derefs_1): Same.
7975 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7977 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7979 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7980 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7983 2006-04-07 Jan Hubicka <jh@suse.cz>
7985 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7987 2006-04-07 Richard Guenther <rguenther@suse.de>
7989 PR tree-optimization/26135
7990 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7991 loads for store copy-prop.
7992 (copy_prop_visit_stmt): Likewise.
7994 2006-04-05 Robert Millan <robertmh@gnu.org>
7996 * config/i386/linux.h: Add a comment to mark macros that are
7997 being overriden in config/k*bsd-gnu.h.
7998 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8000 * config/knetbsd-gnu.h: Ditto.
8002 2006-04-06 Jan Hubicka <jh@suse.cz>
8006 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8009 2006-04-06 Mike Stump <mrs@apple.com>
8011 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8012 for HAVE_nonlocal_goto to be consistent.
8013 (expand_builtin_nonlocal_goto): Likewise.
8014 (expand_builtin_strcmp): Use #ifdef instead of #if
8015 for HAVE_cmpstrnsi to be consistent.
8017 2006-04-05 DJ Delorie <dj@redhat.com>
8019 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8022 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8024 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8025 got-relative addressing for anything but SImode.
8027 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8028 even if the calling function doesn't modify them.
8030 2006-04-05 Richard Guenther <rguenther@suse.de>
8032 PR tree-optimization/26919
8033 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8034 to cgraph_estimate_size_after_inlining.
8036 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8038 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8040 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8042 PR tree-optimization/26996
8043 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8044 VECTOR_TYPE variables.
8046 2006-04-05 Richard Guenther <rguenther@suse.de>
8048 PR tree-optimization/26763
8049 * fold-const.c (fold_comparison): Move folding of
8050 PTR + CST CMP PTR + CST ...
8051 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8053 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8055 * doc/install.texi (Prerequisites): Refine some wording on
8056 bootstrapping and ksh.
8057 Move the version numbers of DejaGnu here from the testing section
8058 and fix casing of names.
8059 Fix markup and clarify wording for autogen requirements.
8060 Refer to GCJ instead of just java.
8061 Refer to SVN instead of CVS.
8062 Describe diffutils as useful instead of necessary.
8063 (Downloading the source): Refer to SVN instead of CVS.
8064 Adjust a link to our web site accordingly.
8065 (Configuration): Fix casing of Bison.
8066 (Building): Refer to SVN instead of CVS.
8067 Fix a sentence on the use of Bison and remove duplicate (and
8068 incorrect) version number of Bison requirement.
8069 Remove one redundant list of packages needed for building.
8070 (Specific): Avoid reference to CVS.
8072 2006-04-04 Eric Christopher <echristo@apple.com>
8074 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8075 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8076 (rs6000_handle_struct_attribute): New.
8077 (rs6000_ms_bitfield_layout_p): Ditto.
8079 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8081 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8082 NULL for dso parameter to atexit_common.
8084 2006-04-04 Eric Christopher <echristo@apple.com>
8086 * config/i386/i386.c (machopic_output_stub): Output \t
8087 between instructions and operands.
8089 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8091 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8092 satisfies_constraint_[IL] to explicit tests on value.
8094 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8096 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8097 set_nb_iterations_in_loop): Use build_int_cst instead of
8099 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8100 build_int_cst instead of convert.
8102 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8104 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8105 new value 2 for incoming.
8106 * function.c (expand_function_start): Call struct_value_rtx
8108 * config/sparc/sparc.md: Comment updated_return.
8109 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8110 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8111 struct return if sparc_std_struct_return and incoming is 2.
8112 (print_operand): Do not adjust return if
8113 sparc_std_struct_return.
8115 2006-04-04 Roger Sayle <roger@eyesopen.com>
8117 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8118 convert in the middle-end.
8119 * expr.c (store_expr, store_constructor, get_inner_reference,
8120 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8122 * tree.c (build_range_type): Likewise.
8124 2006-04-04 Tom Tromey <tromey@redhat.com>
8126 * doc/install.texi (Prerequisites): Mention jar.
8128 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8130 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8133 2006-04-04 Matthias Klose <doko@debian.org>
8135 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8139 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8142 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8144 * doc/extend.texi (Function Attributes): Rewrite visibility
8145 attribute documentation.
8146 * doc/invoke.texi (C++ Dialect Options): Rewrite
8147 -fvisibility-inlines-hidden documentation to describe something
8148 entirely different, although in practise compatible.
8149 (Code Gen Options): Warn about system headers in -fvisibility=
8152 * doc/extend.texi (Other Builtins): Document that
8153 __builtin_nan is a compile-time constant only when its argument
8156 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8158 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8159 trying to remove TRUNCATE check if all bits outside the new mode
8160 are identical to the sign bit.
8162 2006-04-03 Jeff Law <law@redhat.com>
8164 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8165 and operand scanning in some common cases.
8167 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8168 Dale Johannesen <dalej@apple.com>
8171 * regclass.c (struct reg_pref): Update documentation.
8172 (regclass): Set prefclass to NO_REGS if memory is the best option.
8173 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8174 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8175 into account. For non-registers, equate an empty preferred
8176 reload class to a `!' in the constraint; move the if clause to
8177 do so after those that reject the insn.
8178 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8180 (find_dummy_reload): Likewise.
8181 * doc/tm.texi (Register Classes): Document what it means
8182 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8183 * config/i386/i386.c (ix86_preferred_reload_class): Force
8184 using SSE registers (and return NO_REGS for floating-point
8185 constants) if math is done with SSE.
8186 (ix86_preferred_output_reload_class): New.
8187 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8188 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8189 * config/i386/i386.md: Remove # register preferences.
8191 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8194 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8195 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8196 the type of nb_iter.
8197 (instantiate_parameters_1): Convert the operands before calling
8198 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8199 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8201 2006-04-02 Roger Sayle <roger@eyesopen.com>
8203 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8204 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8206 * dojump.c (do_jump): Likewise.
8207 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8208 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8209 gimplify_boolean_expr): Likewise.
8210 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8211 * varasm.c (array_size_for_constructor): Likewise.
8212 * tree-object-size.c (compute_object_offset): Likewise.
8214 2006-04-02 Roger Sayle <roger@eyesopen.com>
8217 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8218 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8220 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8222 PR tree-optimization/26939
8223 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8225 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8227 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8228 at_stmt. Convert the type of operands before calling
8229 build_polynomial_chrec.
8230 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8232 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8233 (instantiate_parameters_1): Convert the type of operands before calling
8234 build_polynomial_chrec.
8235 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8236 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8237 reset_evolution_in_loop): Insert asserts to check the types of the
8239 (chrec_type): Moved...
8240 (eq_evolutions_p): Use operand_equal_p.
8241 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8242 the types of the operands.
8243 (chrec_type): ...here.
8244 * tree-data-ref.c (create_data_ref): Convert the operands before
8245 calling chrec_replace_initial_condition.
8246 (same_access_functions, analyze_subscript_affine_affine,
8247 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8248 (compute_subscript_distance, analyze_ziv_subscript,
8249 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8250 analyze_miv_subscript): Convert the operands before calling
8251 chrec_fold_minus or chrec_fold_plus.
8253 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8255 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8256 the dependence_relations vector.
8257 (compute_data_dependences_for_loop): Adjust call to
8258 compute_all_dependences.
8260 2006-04-01 Roger Sayle <roger@eyesopen.com>
8261 Richard Henderson <rth@redhat.com>
8263 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8264 gimple_boolify on the condition before calling gimplify_expr.
8266 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8268 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8269 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8270 the frame size. Update to use the new macros.
8271 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8272 * config/xtensa/ieee754-df.S: Likewise.
8274 2006-03-31 Richard Henderson <rth@redhat.com>
8276 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8277 (make_edges): ... here. Control fallthru creation with a local
8278 variable. Do not play with fake edges.
8279 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8280 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8283 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8285 * dwarf2.h (DW64_CIE_ID): Define.
8286 * dwarf2out.c (DWARF_CIE_ID): Define.
8287 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8288 length header. Use DWARF_CIE_ID.
8289 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8290 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8292 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8294 * config/sh/linux-atomic.asm: New file.
8295 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8297 2006-03-31 DJ Delorie <dj@redhat.com>
8299 * config/m32c/cond.md: Set condition flags properly throughout.
8300 * config/m32c/minmax.md: Likewise.
8301 * config/m32c/prologue.md: Likewise.
8302 * config/m32c/bitops.md: Likewise.
8303 * config/m32c/muldiv.md: Likewise.
8304 * config/m32c/mov.md: Likewise.
8305 * config/m32c/addsub.md: Likewise.
8306 * config/m32c/m32c.md: Likewise.
8307 * config/m32c/jump.md: Likewise.
8308 * config/m32c/shift.md: Likewise.
8310 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8311 conditionally output the pattern for this.
8312 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8313 (m32c_compare_redundant): New.
8314 (m32c_output_compare): New.
8315 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8317 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8318 dest, not src. Allow other 4-byte modes.
8320 2006-03-30 Denis Chertykov <denisc@overta.ru>
8322 * doc/md.texi: Refer to avr/constraints.md instead of
8325 2006-03-30 Roger Sayle <roger@eyesopen.com>
8327 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8328 signed vs. unsigned comparison failures on some hosts.
8330 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8333 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8334 change to FLOAT_REGS.
8336 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8337 (rs6000_override_options): Use it.
8338 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8339 only for -mabi=spe/no-spe and -mabi=altivec.
8341 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8343 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8346 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8348 * Makefile.in: Rename docdir to gcc_docdir.
8350 2006-03-30 Roger Sayle <roger@eyesopen.com>
8353 * expr.c (emit_group_store): Optimize group stores into a pseudo
8354 register by using a paradoxical subreg to initialize the destination
8355 if the first or last member of the group specifies a "low part".
8357 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8360 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8361 * target.h (struct gcc_target.speculate_insn): Change type of the
8362 second parameter to 'int'.
8363 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8364 the second operand of the DEPS_LIST.
8365 (copy_DEPS_LIST_list): Update reference to the second operand of the
8367 * rtl.h (alloc_DEPS_LIST): Update signature.
8368 * sched-int.h (ds_t): Change typedef to 'int'.
8369 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8371 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8373 * haifa-sched.c (try_ready): Change condition to restore
8374 non-speculative pattern of the instruction.
8375 (process_insn_depend_be_in_spec): Code to keep probability of the
8376 speculative dependence non-decreasing.
8378 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8380 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8381 (single_move_for_movmem): ... this. Also change all uses.
8382 (bfin_expand_strmov): Renamed to...
8383 (bfin_expand_movmem): ... this. Also change all uses.
8384 * config/bfin/bfin.md (movstrsi): Renamed to...
8385 (movstrsi): ...this.
8387 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8389 PR tree-optimization/26830
8391 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8392 (copy_prop_visit_stmt): Remove write-only variable ann.
8393 (init_copy_prop): Check variable loop depth here. Do not simulate
8394 memory-tag and virtual operand PHIs except for store copy prop.
8396 2006-03-30 Richard Guenther <rguenther@suse.de>
8398 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8399 variants with double arguments.
8401 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8403 * genpreds.c (write_tm_constrs_h): Delete variable p.
8404 * genconditions.c (write_header): Add tm-constrs.h to included
8406 * genpeep.c (main): Add toplev.h to included headers.
8407 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8408 (build/genpeep.o): Add toplev.h dependency.
8409 * config/rs6000/constraints.md: Add "W" constraint.
8411 2006-03-29 Roger Sayle <roger@eyesopen.com>
8413 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8414 sizes by correctly testing whether the size fits a host integer.
8415 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8416 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8417 SImode range for the default sizetype and bitsizetype.
8419 2006-03-29 Roger Sayle <roger@eyesopen.com>
8421 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8422 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8423 quickly if the argument is already of the correct type.
8424 Call fold_build1 instead of build1. Tidy up blank lines.
8426 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8428 * genemit.c (main): Add tm-constrs.h to included headers.
8429 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8430 * genpeep.c (main): Add tm-constrs.h to included headers.
8431 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8432 (write_tm_constrs_h): this and write complete file.
8433 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8434 (write_insn_preds_c): Add tm-constrs.h to included headers.
8435 (gen_constrs): New variable.
8436 (parse_option): Parse "-c".
8437 (main): Invoke write_tm_constrs_h.
8438 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8439 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8440 (object_out_file): Add tm-constrs.h dependency.
8441 (insn-emit.o): Same.
8442 (insn-output.o): Same.
8443 (insn-peep.o): Same.
8444 (insn-preds.o): Same.
8445 (insn-recog.o): Same.
8446 (tm-constsr.h): New target.
8447 (s-constrs-h): New target.
8449 * config/rs6000/constraints.md: New file.
8450 * config/rs6000/rs6000.c: Include tm-constrs.h.
8451 (num_insn_constant_wide): Convert to satisfies_constraint.
8452 (rs6000_rtx_costs): Convert to satisfies_constraint.
8453 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8454 (CONST_OK_FOR_LETTER_P): Delete.
8455 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8456 (EXTRA_CONSTRAINT): Delete.
8457 (EXTRA_MEMORY_CONSTRAINT): Delete.
8458 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8459 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8460 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8461 satisfies_constraint.
8463 * config/i386/i386.c: Include tm-constrs.h.
8465 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8467 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8468 * tree-data-ref.c (find_data_references_in_loop,
8469 compute_data_dependences_for_loop): Use pointers to VEC.
8470 (analyze_all_data_dependences): Adjust calls.
8471 * tree-data-ref.h (find_data_references_in_loop,
8472 compute_data_dependences_for_loop): Adjust declarations.
8473 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8474 compute_data_dependences_for_loop.
8476 2006-03-29 Paul Brook <paul@codesourcery.com>
8478 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8481 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8483 PR tree-optimization/26859
8484 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8486 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8487 for the step after fold_convert.
8489 2006-03-29 Paul Brook <paul@codesourcery.com>
8491 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8492 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8494 2006-03-29 Paul Brook <paul@codesourcery.com>
8497 * targhooks.c (default_narrow_bitfield): New fuction.
8498 * targhooks.h (default_narrow_bitfield): add prototype.
8499 * target.h (gcc_target): Add narrow_volatile_bitfield.
8500 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8501 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8502 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8503 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8505 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8507 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8509 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8510 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8511 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8512 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8513 (s390_function_arg_float): Allow SDmode and DDmode values to be
8514 passed in floating point registers.
8515 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8516 check with SCALAR_FLOAT_MODE_P.
8517 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8519 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8521 PR tree-optimization/25985
8522 * tree-ssa-loop-niter.c (number_of_iterations_le,
8523 number_of_iterations_ne): Make comments more precise.
8524 (number_of_iterations_cond): Add only_exit argument. Use the
8525 fact that signed variables do not overflow only when only_exit
8527 (loop_only_exit_p): New.
8528 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8529 number_of_iterations_cond.
8531 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8533 PR tree-optimization/26643
8534 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8537 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8539 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8540 (divsi3_i4_int): Likewise.
8542 2006-03-28 Roger Sayle <roger@eyesopen.com>
8544 * expr.c (emit_group_store): Only create a new pseudo reg if the
8545 quantity it needs to hold isn't already a suitable pseudo.
8547 2006-03-28 Jeff Law <law@redhat.com>
8549 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8550 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8552 2006-03-28 Roger Sayle <roger@eyesopen.com>
8554 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8555 the equivalent ~X & Y, and the symmetry related transformations.
8556 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8557 ~X & Y, and symmetry related transforms.
8559 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8561 Revert my 2006-03-27 patches.
8563 2006-03-28 Roger Sayle <roger@eyesopen.com>
8565 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8566 ~(T1)X, when T1 and T2 are integer types of the same precision
8567 and (T2)X isn't an extension.
8569 2006-03-28 Jeff Law <law@redhat.com>
8571 PR tree-optimization/26796
8572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8573 need EH edge cleanups rather than purging them immediately.
8574 (eliminate_degenerate_phis): Handle queued EH cleanups.
8576 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8578 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8581 2006-03-27 Roger Sayle <roger@eyesopen.com>
8584 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8585 cast BIT_NOT_EXPR operand to the correct type.
8587 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8589 * tree-loop-linear.c: Don't include varray.h.
8590 (gather_interchange_stats, try_interchange_loops,
8591 linear_transform_loops): Use VEC instead of VARRAY.
8592 * lambda-mat.c: Don't include varray.h.
8593 * tree-chrec.c: Same.
8594 * lambda-trans.c: Same.
8595 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8596 VEC instead of VARRAY.
8597 * tree-vectorizer.h: Idem.
8598 * tree-data-ref.c (dump_data_references,
8599 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8600 initialize_data_dependence_relation, finalize_ddr_dependent,
8601 compute_all_dependences, find_data_references_in_loop,
8602 compute_data_dependences_for_loop, analyze_all_data_dependences,
8603 free_dependence_relation, free_dependence_relations,
8604 free_data_refs): Idem.
8605 * tree-data-ref.h (data_reference_p, subscript_p): New.
8606 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8607 VEC instead of VARRAY.
8608 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8609 (find_data_references_in_loop, compute_data_dependences_for_loop,
8610 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8611 dump_data_dependence_relations, free_dependence_relations,
8612 free_data_refs): Adjust declaration.
8613 (lambda_transform_legal_p): Move declaration here...
8614 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8615 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8616 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8617 vect_analyze_data_refs): Use VEC instead of VARRAY.
8618 * lambda.h (lambda_transform_legal_p): ...from here.
8619 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8620 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8621 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8622 tree-chrec.o): Don't depend on VARRAY_H.
8624 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8626 * rtl.def (Copyright): Update date.
8627 (DEPS_LIST): Change type of the second operand to 'int'.
8628 * target.h (Copyright): Update date.
8629 (struct gcc_target.speculate_insn): Change type of the second parameter
8631 * lists.c (Copyright): Update date.
8632 (alloc_DEPS_LIST): Change signature. Update reference to the second
8633 operand of the DEPS_LIST.
8634 (copy_DEPS_LIST_list): Update reference to the second operand of the
8636 * rtl.h (Copyright): Update date.
8637 (alloc_DEPS_LIST): Update signature.
8638 * sched-int.h (Copyright): Update date.
8639 (ds_t): Change typedef to 'int'.
8640 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8642 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8644 * haifa-sched.c (Copyright): Update date.
8645 (try_ready): Change condition to restore non-speculative pattern
8647 (process_insn_depend_be_in_spec): Code to keep probability of the
8648 speculative dependence non-decreasing.
8650 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8652 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8653 shut up the compiler.
8655 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8657 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8658 to use lib prefix for target.
8659 ($(T)libic_invalidate_array_4-200.a): Likewise.
8660 ($(T)libic_invalidate_array_4a.a): Likewise.
8662 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8663 J"orn Rennecke <joern.rennecke@st.com>
8665 * superh.opt: New file.
8666 * sh.c (boardtype, osruntime): Remove.
8667 * superh.h (SUBTARGET_OPTIONS): Remove.
8668 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8670 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8671 arguments with ^ and/or [].
8673 * config.gcc (sh-*-*): Add quoting to account for quirk of
8675 Replace == with = in enable_incomplete_targets test.
8677 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8678 with MASK_LITTLE_ENDIAN.
8680 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8681 * config/sh/sh.opt: Added to some comments.
8682 * config/sh/superh.h: Removed some chaff.
8684 * config/sh/sh.opt: Add m4-[1234]00* options.
8685 * config/sh/sh.c (sh_handle_option): Likewise.
8686 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8687 (ic_invalidate_array_4-100.o): New rule.
8688 ($(T)libic_invalidate_array_4-100.a): Likewise.
8689 (ic_invalidate_array_4-200.o): Likewise.
8690 ($(T)libic_invalidate_array_4-200.a): Likewise.
8691 (ic_invalidate_array_4a.o): Likewise.
8692 ($(T)libic_invalidate_array_4a.a): Likewise.
8693 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8694 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8696 * config/sh/crt1.asm: Merged in profiling code.
8697 * config/sh/superh.h (STARTFILE_SPEC): Override.
8698 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8699 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8700 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8702 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8703 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8704 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8706 * sh.opt (mpretend-cmove): New option.
8707 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8708 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8709 (movsicc): Add TARGET_PRETEND_CMOVE code.
8711 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8713 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8714 s390_class_max_nregs): New function prototypes.
8715 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8716 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8717 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8718 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8720 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8722 * dwarf2out.c (add_location_or_const_value_attribute): Call
8723 tree_add_const_value_attribute if nothing else works.
8724 (reference_to_unused): New.
8725 (rtl_for_decl_init): Use reference_to_unused to decide whether
8726 to output an initializer.
8728 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8731 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8732 peephole removing spe frob_di_df_2.
8734 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8736 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8737 (subscript_dependence_tester_1): Declared.
8738 (print_dir_vectors, print_dist_vectors): New.
8739 (debug_data_dependence_relation): New.
8740 (dump_data_dependence_relation): Print more details.
8741 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8742 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8743 (save_dist_v, save_dir_v, add_outer_distances,
8744 build_classic_dist_vector_1): New.
8745 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8746 Don't test for lambda_vector_lexico_pos.
8747 (same_access_functions, add_multivariate_self_dist,
8748 add_other_self_distances, dir_from_dist): New.
8749 (build_classic_dir_vector): Replace implementation almost identical to
8750 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8752 (subscript_dependence_tester_1): New.
8753 (subscript_dependence_tester): Handle the lexicographically negative
8754 distance vectors by recomputing the dependence relation.
8755 (compute_affine_dependence): Remove parameter loop_nest_depth.
8756 (compute_self_dependence): Don't call compute_subscript_distance.
8757 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8758 Add a parameter for the loop_nest.
8759 (find_loop_nest_1, find_loop_nest): New.
8760 (compute_data_dependences_for_loop): Compute the loop nest, and give
8761 up if the nest is not well formed.
8762 * tree-data-ref.h (loop_p): New.
8763 (struct data_dependence_relation): Replace size_vect field with
8764 loop_nest, a vec of loops.
8765 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8766 (DDR_LOOP_NEST): New.
8767 (print_dir_vectors, print_dist_vectors,
8768 debug_data_dependence_relation): Declared.
8769 (index_in_loop_nest): New.
8770 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8771 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8774 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8776 * simplify-rtx.c (simplify_relational_operation): Call
8777 simplify_relational_operation_1 even if mode is VOIDmode.
8779 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8781 PR tree-optimization/26804
8782 * tree.h (DECL_CALL_CLOBBERED): New macro.
8783 (tree_decl_common): Add call_clobbered_flag.
8784 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8785 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8786 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8787 (mark_non_addressable): Ditto.
8788 * tree-ssa.c (verify_call_clobbered): New function.
8789 (verify_alias_info): Use it.
8790 * tree-pass.h (pass_reset_cc_flags): New prototype.
8791 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8792 (reset_cc_flags): New function.
8793 * passes.c (init_optimization_passes): Call reset_cc_flags after
8794 initializing referenced_vars.
8796 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8797 Roger Sayle <roger@eyesopen.com>
8800 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8801 to 1.0 for non-real operands. Implement A / A optimization for
8804 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8806 * config/i386/i386.c (size_cost): Correct the comment for
8807 cost of storing fp registers.
8808 (i386_cost): Likewise.
8809 (i486_cost): Likewise.
8810 (pentium_cost): Likewise.
8811 (pentiumpro_cost): Likewise.
8812 (k6_cost): Likewise.
8813 (athlon_cost): Likewise.
8814 (k8_cost): Likewise.
8815 (pentium4_cost): Likewise.
8816 (nocona_cost): Likewise.
8817 (generic64_cost): Likewise.
8818 (generic32_cost): Likewise.
8820 2006-03-24 Denis Chertykov <denisc@overta.ru>
8822 * config/avr/avr-protos.h (extra_constraint): Delete.
8823 (extra_constraint_Q): New declaration.
8824 * config/avr/constraints.md: New file.
8825 * config/avr/avr.md: Include it.
8826 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8827 (TMP_REGNO, ZERO_REGNO): Likewise.
8828 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8829 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8830 (extra_constraint): Delete.
8831 (extra_constraint_Q): Test for memory constraint 'Q'.
8832 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8833 (REG_CLASS_FROM_LETTER): Delete.
8834 (CONST_OK_FOR_LETTER_P): Delete.
8835 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8836 (EXTRA_CONSTRAINT): Delete.
8837 (TMP_REGNO): Delete.
8838 (ZERO_REGNO): Delete.
8840 2006-03-24 Jeff Law <law@redhat.com>
8842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8843 directly. Call mark_new_vars_to_rename slightly earlier.
8845 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8847 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8849 (gen_compile_unit_die): Use new language types for Objective-C and
8851 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8852 DW_LANG_C_plus_plus.
8855 * config/t-darwin (crt3.o): Work around bug 26840.
8856 * config/darwin-crt3.c: Rewrite.
8857 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8859 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8861 * doc/invoke.texi: Document -femit-class-debug-always
8862 * common.opt: Add -femit-class-debug-always.
8864 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8866 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8867 index and base register.
8868 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8869 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8870 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8871 REGNO_OK_FOR_INDEX_P.
8872 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8874 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8875 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8876 REG_OK_FOR_BASE_P): Definitions removed.
8878 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8881 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8882 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8883 set yet or weren't marked as local yet.
8885 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8887 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8890 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8892 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8893 (rs6000_legitimate_small_data_p): Delete.
8894 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8895 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8896 and make static. Add forward declaration. Update uses.
8897 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8898 of offsettable_memref_p.
8899 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8900 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8902 2006-03-24 Jeff Law <law@redhat.com>
8904 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8905 around bug in immediate-use iterator.
8907 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8910 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8911 or __LITTLE_ENDIAN__.
8913 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8915 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8916 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8917 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8918 * config/sh/sh.opt (mdiv=): Amend description.
8919 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8920 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8921 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8922 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8923 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8924 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8925 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8926 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8927 TARGET_DIVIDE_CALL_FP.
8929 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8931 * haifa-sched.c (choose_ready): Fix type of the local variable.
8932 Move local variables. Add comment.
8933 (check_reg_live): Change signature. Make callable from debugger.
8934 * sched-int.h (check_reg_live): Update signature.
8935 * sched-ebb.c (check_reg_live): Update parameters.
8936 * sched-rgn.c (check_reg_live): Ditto.
8937 (region_head_or_leaf_p): Check pointer before dereferencing.
8938 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8939 before reload on optimization levels below 1.
8941 2006-03-23 Richard Henderson <rth@redhat.com>
8943 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8947 * config/alpha/predicates.md (local_symbolic_operand): Reject
8950 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8953 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8954 expressions which have overflowed constants.
8956 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8958 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8960 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8962 * cfgloopmanip.c (create_loop_notes): Removed.
8963 * final.c (final_scan_insn): Do not handle loop notes.
8964 * jump.c (squeeze_notes): Ditto.
8965 * cfglayout.c (skip_insns_after_block,
8966 duplicate_insn_chain): Ditto.
8967 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8969 * cfgloop.h (create_loop_notes): Declaration removed.
8971 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8973 * varasm.c (output_constant_pool): Restore fnname and fndecl
8975 (assemble_start_function): Adjust call accordingly.
8976 (assemble_end_function): Likewise.
8978 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8981 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8984 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8986 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8989 * system.h (ICE_EXIT_CODE): New macro.
8990 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8991 (diagnostic_action_after_output): Likewise.
8992 * gcc.c (fatal_ice): New function.
8993 (execute): Use it instead of fatal.
8994 (fancy_abort): Likewise.
8995 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8997 2006-03-22 Jeff Law <law@redhat.com>
8999 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9000 iv_analyze_result returning false.
9002 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9004 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9006 2006-03-22 Richard Henderson <rth@redhat.com>
9009 * except.c (duplicate_eh_regions_0): New.
9010 (duplicate_eh_region_1): Duplicate the children of the node as
9011 well as the node itself. Link them up properly.
9012 (duplicate_eh_region_2): Merge into ...
9013 (duplicate_eh_regions): ... here. Take copy_region argument, and
9014 copy only a sub-tree if asked. Simplify copying and fixup.
9015 (eh_region_outer_p): New.
9016 * except.h (duplicate_eh_regions): Update decl.
9017 (eh_region_outer_p): Declare.
9018 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9019 (lower_omp_master): Likewise.
9020 (lower_omp_ordered): Likewise.
9021 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9022 (move_stmt_r): Use it to remap labels. Handle recursion vs
9023 remap_decls_p properly.
9024 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9025 (find_outermost_region_in_block): New.
9026 (new_label_mapper): New.
9027 (move_sese_region_to_fn): Copy eh information to the new function
9029 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9031 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9034 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9036 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9037 into shared libraries.
9039 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9041 * doc/md.texi: Refer to i386/constraints.md instead of
9043 * config/i386/constraints.md: New file, extracted from...
9044 * config/i386/predicates.md: ...here.
9045 * config/i386/i386.md: Include constraints.md.
9047 2006-03-21 Jason Merrill <jason@redhat.com>
9049 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9052 * expr.c (init_block_move_fn): Force default visibility.
9053 (init_block_clear_fn): Likewise.
9054 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9055 * targhooks.c (default_external_stack_protect_fail): Likewise.
9057 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9059 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9060 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9061 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9062 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9063 (loadgp): Use mips_current_loadgp_style.
9064 (loadgp_noshared): New pattern.
9065 (sibcall_internal): Use MIPS_CALL.
9066 (sibcall_value_internal): Likewise.
9067 (sibcall_value_multiple_internal): Likewise.
9068 (call_internal): Likewise.
9069 (call_value_internal): Likewise.
9070 (call_value_multiple_internal): Likewise.
9071 (call_split): Use MIPS_CALL and add an 'S' constraint.
9072 (call_value_split): Likewise.
9073 (call_value_multiple_split): Likewise.
9074 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9075 (-mshared): New option.
9076 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9077 (mips_current_loadgp_style): Declare.
9078 * config/mips/mips.c (mips_classify_symbol): Avoid using
9079 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9080 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9081 TARGET_ABSOLUTE_ABICALLS.
9082 (override_options): Adjust comments. Improve the warning that is
9083 issued when -mabicalls and -G are used together.
9084 (mips_file_start): Remove comment.
9085 (mips_current_loadgp_style): New function.
9086 (mips_gnu_local_gp): New variable.
9087 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9089 (mips_output_function_prologue): Use mips_current_laodgp_style.
9090 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9091 the cprestore instruction.
9092 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9093 live for TARGET_ABSOLUTE_ABICALLS.
9094 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9095 (ASM_SPEC): Pass down -mshared and -mno-shared.
9096 (MIPS_CALL): New macro.
9097 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9099 * doc/invoke.texi (-mabicalls): Update documentation.
9100 (-mshared): Document.
9102 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9104 * config/ia64/unwind-hpux.c: New file.
9105 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9107 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9110 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9112 2006-03-21 Jeff Law <law@redhat.com>
9114 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9115 type conversions of a VR_VARYING source to a wider type.
9117 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9119 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9120 tm_file on Solaris 10 and later.
9121 (sparc64-*-solaris2*): Likewise.
9122 (sparc-*-solaris2*): Likewise.
9123 * config/sol26.h: Rename to config/sol2-6.h.
9124 * config/sol2-10.h: New file.
9126 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9129 * tree-ssa-pre.c (create_component_ref_by_pieces):
9132 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9135 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9136 return it immediately.
9138 2006-03-21 Michael Matz <matz@suse.de>
9140 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9142 (remove_arc, add_arc): Update num_out_arcs member.
9143 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9145 (cache_presence): New function.
9146 (compare_states_for_equiv): New function.
9147 (state_is_differed): Don't take number of outargs, adjust callers.
9148 Use new invariant for speeding up.
9149 (init_equiv_class): Create initial classes based on sorted
9151 (partition_equiv_class): Don't track out_arcs_num.
9152 (evaluate_equiv_classes): Call cache_presence on all states and
9155 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9157 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9158 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9159 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9160 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9162 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9163 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9164 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9165 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9166 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9168 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9169 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9170 (REGNO_REG_CLASS): ARGP is in PREGS.
9171 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9173 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9174 to deal with those addresses.
9175 * addresses.h: New file.
9176 * caller-save.c: Include "addresses.h".
9177 (init_caller_save): Use new base_reg_class function.
9178 * rtl-factoring.c: Include "addresses.h".
9179 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9180 * recog.c: Include "addresses.h".
9181 (preprocess_constraints): Use new base_reg_class function.
9182 * regrename.c: Include "addresses.h".
9183 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9184 functions. Keep track of a new var INDEX_CODE to compute valid
9186 (replace_oldest_value_addr): Likewise.
9187 (replace_oldest_value_mem): Use base_reg_class.
9188 * reload.c: Include "addresses.h".
9189 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9190 (find_reloads): Use new base_reg_class function.
9191 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9192 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9193 all callers and prototype changed.
9194 * reload1.c: Include "addresses.h".
9195 (maybe_fix_stack_asms): Use base_reg_class.
9196 * regclass.c: Include "addresses.h".
9197 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9198 (init_reg_autoinc): Use new base_reg_class function.
9199 (record_reg_classes): Likewise.
9200 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9201 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9202 Use new args to compute necessary class.
9204 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9205 regrename.o, rtl-factoring.o): Update dependencies.
9206 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9207 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9208 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9209 REG_OK_FOR_INDEX_P): Delete documentation.
9211 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9213 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9214 from V7 to V9 for Solaris 7 and above.
9216 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9218 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9219 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9220 argument pointers may not alias any other storage.
9221 * common.opt: Define option -fargument-noalias-anything.
9222 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9223 alias semantics is specified by flag_argument_noalias > 2.
9225 2006-03-20 Jeff Law <law@redhat.com>
9227 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9228 (pass_phi_only_cprop): Declare.
9229 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9231 * tree-ssa-dom.c (degenerate_phi_result): New function.
9232 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9233 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9234 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9235 (eliminate_degenerate_phis): Likewise.
9236 (pass_phi_only_cprop): New pass descriptor.
9237 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9238 support code. Callers updated.
9239 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9240 (store_copy_prop): Likewise.
9241 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9243 2006-03-20 Jason Merrill <jason@redhat.com>
9246 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9247 (push_visibility, pop_visibility): Likewise.
9248 * c-pragma.h: Declare them.
9250 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9252 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9254 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9255 parameter and use get_ebb_head_tail.
9256 (sh_md_init_global): Adjust uses of find_regmode_weight.
9258 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9260 * function.h (struct function) <x_tail_recursion_reentry>:
9261 Rename to x_stack_check_probe_note.
9262 (tail_recursion_reentry): Rename to stack_check_probe_note.
9263 * function.c: Replace tail_recursion_reentry with
9264 stack_check_probe_note everywhere.
9265 (expand_function_start): Only emit a note for
9266 stack_check_probe_note with -fstack-protect.
9267 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9269 * emit-rtl.c (remove_unnecessary_notes): Remove.
9270 (pass_remove_unnecessary_notes): Remove.
9271 * rtl.h (remove_unnecessary_notes): Remove prototype.
9272 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9273 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9274 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9276 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9279 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9280 (valid_in_set): Handle ARRAY_REF.
9281 Change "if min_variant or VH" to asserts.
9282 (create_component_ref_by_pieces): Handle ARRAY_REF.
9283 (create_expression_by_pieces): Likewise.
9284 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9286 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9288 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9289 is operand of switch, not str[0].
9291 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9293 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9294 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9296 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9298 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9299 end of insn_extra_address_constraint declaration.
9301 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9303 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9304 (no-sum-in-toc): Same.
9305 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9307 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9308 NO_FP_IN_TOC for -fPIC instead of mask.
9310 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9311 (BOOT_LDFLAGS): Delete.
9313 * config/rs6000/t-aix52: Same.
9315 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9316 (stmsi[345678]_power): New.
9318 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9320 * config/ia64/ia64.opt: Add empty line to end of file.
9322 2006-03-17 Richard Guenther <rguenther@suse.de>
9325 * builtins.c (get_pointer_alignment): For component style references
9326 adjust alignment to the component type alignment. Make sure
9327 to adjust alignment for component access of constants.
9329 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9331 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9334 2006-03-17 Paul Brook <paul@codesourcery.com>
9336 * doc/install.texi: Docuemnt --with-mode.
9337 * config.gcc: Add --with-mode for arm*-*-*.
9338 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9340 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9342 * sh.c (max_labelno_before_reorg): New variable.
9343 (sh_reorg): Initialize it.
9344 (find_barrier): Check max_labelno_before_reorg before using
9345 label_to_alignment. Take length of explicit alignment insns
9346 into account. When seeing a UNSPECV_CONST_END, return it.
9348 * sh.c (fixup_mova): Set mode of affected label to QImode.
9349 (untangle_mova): New function.
9350 (find_barrier): Use it. Check mode of label before decrementing
9352 (sh_reorg): Likewise.
9353 Set mode of all insns back to VOIDmode.
9355 * sh.c (MOVA_LABELREF): New macro.
9356 (mova_p, fixup_mova, sh_reorg): Use it.
9357 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9358 ADDR_DIFF_VEC matches mova.
9360 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9362 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9363 with ATTRIBUTE_UNUSED.
9365 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9367 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9368 pointer, instead of assuming it is possible to derive the
9369 correct args size from a call insn.
9371 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9373 * rtl.h (CONST_INT_P): Define.
9374 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9375 instead of GET_CODE(x) == CONST_INT.
9376 (vax_rtx_costs): Likewise.
9377 (vax_output_int_move): Likewise.
9378 (vax_output_int_add): Likewise.
9379 (legitimate_constant_address_p): Likewise.
9380 (index_term_p): Likewise.
9381 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9382 * config/vax/vax.md (and<mode>3): Likewise.
9383 (ashrsi3): Likewise.
9385 (movstricthi): Likewise.
9386 (movstrictqi): Likewise.
9387 (rotrsi3): Likewise.
9388 (five unnamed insns): Likewise.
9390 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9392 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9393 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9394 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9395 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9396 Pass to ASM_OUTPUT_DWARF_OFFSET.
9397 * dwarf2out.c (debug_frame_section): New.
9398 (output_call_frame_info): Use debug_frame_section. Pass it to
9399 dw2_asm_output_offset.
9400 (output_die): Pass appropriate section to dw2_asm_output_offset.
9401 (output_compilation_unit_header): Likewise.
9402 (output_pubnames): Likewise.
9403 (output_aranges): Likewise.
9404 (enum dw_val_class): Break dw_val_class_lbl_offset into
9405 dw_val_class_lineptr and dw_val_class_macptr.
9406 (add_AT_lbl_offset): Delete.
9407 (add_AT_lineptr): New.
9408 (add_AT_macptr): New.
9409 (AT_lbl): Expect a lineptr or macptr.
9410 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9411 (attr_checksum): Likewise.
9412 (same_dw_val_p): Likewise.
9413 (size_of_die): Likewise.
9414 (value_format): Likewise.
9415 (output_die): Likewise.
9416 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9418 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9419 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9420 * config/darwin-protos.h (darwin_file_start): New.
9421 (darwin_asm_output_dwarf_offset): New.
9422 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9423 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9425 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9426 if not EH section; simplify.
9427 (darwin_file_start): New.
9428 (darwin_asm_output_dwarf_offset): New.
9429 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9431 (DEBUG_INFO_SECTION): Likewise.
9432 (DEBUG_ABBREV_SECTION): Likewise.
9433 (DEBUG_ARANGES_SECTION): Likewise.
9434 (DEBUG_MACINFO_SECTION): Likewise.
9435 (DEBUG_LINE_SECTION): Likewise.
9436 (DEBUG_LOC_SECTION): Likewise.
9437 (DEBUG_PUBNAMES_SECTION): Likewise.
9438 (DEBUG_STR_SECTION): Likewise.
9439 (DEBUG_RANGES_SECTION): Likewise.
9440 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9441 (ASM_OUTPUT_DWARF_OFFSET): New.
9443 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9445 * config.gcc (tm_defines): Always add to previous value rather
9448 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9450 * config/mips/predicates.md (splittable_const_int_operand): New,
9451 split from move_operand.
9452 (splittable_symbolic_operand): New.
9453 (move_operand): Add commentary. Use splittable_const_int_operand.
9454 Inline mips_atomic_symbolic_constant_p.
9455 * config/mips/mips.md: Add combine splitters for handling moves
9456 of splittable_const_int_operands and splittable_symbolic_operands.
9457 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9458 (mips_split_symbol): Declare.
9459 (mips_move_integer): Declare.
9460 * config/mips/mips.c (mips_split_p): Make global.
9461 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9462 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9463 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9464 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9465 (mips_offset_within_object_p): Handle block symbols.
9466 (mips_atomic_symbolic_constant_p): Delete.
9467 (mips_cannot_force_const_mem): Return false for constants that
9468 mips_legitimize_move can handle.
9469 (mips_use_blocks_for_constant_p): New function.
9470 (mips_split_symbol): Make global.
9471 (mips_move_integer): Likewise. Add a temporary register argument.
9472 (mips_legitimize_const_move): Use splittable_const_int_operand and
9473 splittable_symbolic_operand.
9474 (mips_use_anchors_for_symbol_p): New function.
9475 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9476 (mips_split_p): Declare.
9478 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9480 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9481 (mips*-*-linux*): Likewise.
9483 2006-03-16 Roger Sayle <roger@eyesopen.com>
9484 Daniel Speyer <dspeyer@wam.umd.edu>
9487 * tree-dump.c (dump_real): New function.
9488 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9489 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9490 (tree-dump.o): Add $(REAL_H) to the dependencies.
9492 2006-03-16 Roger Sayle <roger@eyesopen.com>
9495 * real.c (real_from_string): If the mantissa is zero, don't bother
9496 parsing the exponent as the result should always be zero.
9498 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9500 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9502 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9504 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9505 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9506 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9507 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9508 ia64_sched_finish_global): New static functions to implement
9509 hooks from gcc_target.sched.
9510 (spec_check_no, max_uid, pending_data_specs): New static variables.
9511 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9512 ia64_spec_check_src_p): New static functions.
9513 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9514 (TARGET_SCHED_ADJUST_COST): Removed.
9515 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9516 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9517 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9518 TARGET_SCHED_GEN_CHECK,
9519 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9520 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9521 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9522 Fixed to handle speculation checks.
9523 (rtx_needs_barrier): Fixed to handle speculative loads and
9525 (ia64_variable_issue): Added code to count speculative loads and their
9527 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9529 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9531 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9533 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9534 (ia64_reorg): Reset stops_p to NULL after it is freed.
9535 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9536 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9537 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9539 (data_speculative, control_speculative, check_load): New attributes.
9540 (mov<mode>_advanced, mov<mode>_speculative,
9541 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9542 zero_extend<mode>di2_speculative,
9543 zero_extend<mode>di2_speculative_advanced): New patterns for
9544 data and control speculative loads.
9545 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9547 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9548 New pattern for data and control speculation checks.
9549 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9550 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9551 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9552 Auxiliary definitions for the patterns.
9553 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9554 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9556 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9558 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9559 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9560 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9561 New resource constraints.
9562 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9564 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9565 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9566 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9567 msched-in-control-spec, msched-ldc, msched-control-ldc,
9568 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9569 msched-prefer-non-control-spec-insns,
9570 msched-count-spec-in-critical-path): New flags to tune speculative
9572 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9573 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9574 msched-in-control-spec, msched-ldc, msched-control-ldc,
9575 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9576 msched-prefer-non-control-spec-insns,
9577 msched-count-spec-in-critical-path): Document new flags.
9579 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9581 * target.h (struct spec_info_def): New opaque declaration.
9582 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9583 speculate_insn, needs_block_p, gen_check,
9584 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9585 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9586 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9587 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9588 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9589 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9591 (TARGET_SCHED): Use new macros.
9592 * rtl.h (copy_DEPS_LIST_list): New prototype.
9593 * sched-int.h (struct sched_info): Change signature of new_ready field,
9594 adjust all initializations. New fields: add_remove_insn,
9595 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9596 region_head_or_leaf_p.
9597 (struct spec_info_def): New structure declaration.
9598 (spec_info_t): New typedef.
9599 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9600 recovery_block, orig_pat.
9601 (glat_start, glat_end): New variables declaraions.
9602 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9604 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9605 DETACH_LIFE_INFO, USE_GLAT.
9606 (enum SPEC_SCHED_FLAGS): New enumeration.
9607 (NOTE_NOTE_BB_P): New macro.
9608 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9609 attach_life_info, debug_spec_status, check_reg_live): New functions.
9610 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9611 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9613 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9614 * ddg.c (get_block_head_tail): Adjust all uses.
9615 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9616 (sms_sched_info): Initialize new fields.
9617 (contributes_to_priority): Removed.
9618 * haifa-sched.c (params.h): New include.
9619 (get_block_head_tail): Adjust all uses.
9620 (ISSUE_POINTS): New macro.
9621 (glat_start, glat_end): New global variables.
9622 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9623 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9624 old_last_basic_block, before_recovery, current_sched_info_var,
9625 rgn_n_insns, luid): New static variables.
9626 (insn_cost1): New function. Move logic from insn_cost to here.
9627 (find_insn_reg_weight1): New function. Move logic from
9628 find_insn_reg_weight to here.
9629 (reemit_notes, move_insn, max_issue): Change signature.
9630 (move_insn1): Removed.
9631 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9632 extend_bb): New static functions to support extension of scheduler's
9634 (generate_recovery_code, process_insn_depend_be_in_spec,
9635 begin_speculative_block, add_to_speculative_block,
9636 init_before_recovery, create_recovery_block, create_check_block_twin,
9637 fix_recovery_deps): New static functions to support
9638 generation of recovery code.
9639 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9640 restore_bb_notes, move_block_after_check, move_succs): New static
9641 functions to support ebb scheduling.
9642 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9643 functions to support handling of register live information.
9644 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9645 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9646 add_jump_dependencies): New static functions.
9647 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9648 consistancy checking.
9649 (debug_spec_status): New function to call from debugger.
9650 (priority): Added code to handle speculation checks.
9651 (rank_for_schedule): Added code to distinguish speculative instructions.
9652 (schedule_insn): Added code to handle speculation checks.
9653 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9654 Fixed to handle ebbs.
9655 (move_insn): Added code to handle ebb scheduling.
9656 (max_issue): Added code to use ISSUE_POINTS of instructions.
9657 (choose_ready): Added code to choose between speculative and
9658 non-speculative instructions.
9659 (schedule_block): Added code to handle ebb scheduling and scheduling of
9660 speculative instructions.
9661 (sched_init): Initialize new variables.
9662 (sched_finish): Free new variables. Print statistics.
9663 (try_ready): Added code to handle speculative instructions.
9664 * lists.c (copy_DEPS_LIST_list): New function.
9665 * sched-deps.c (extend_dependency_caches): New function. Move logic
9666 from create_dependency_caches to here.
9667 (get_dep_weak, ds_merge): Make global.
9668 * genattr.c (main): Code to output prototype for
9669 dfa_clear_single_insn_cache.
9670 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9671 (output_dfa_clean_insn_cache_func): Code to output
9672 dfa_clear_single_insn_cache function.
9673 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9675 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9677 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9678 New static variables.
9679 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9680 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9682 (ebb_sched_info): Initialize new fields.
9683 (get_block_head_tail): Adjust all uses.
9684 (compute_jump_reg_dependencies): Fixed to use glat_start.
9685 (schedule_ebb): Code to remove unreachable last block.
9686 (schedule_ebbs): Added code to update register live information.
9687 * sched-rgn.c (region_sched_info): Initialize new fields.
9688 (get_block_head_tail): Adjust all uses.
9689 (last_was_jump): Removed. Adjust users.
9690 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9691 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9692 Implement new hooks.
9693 (check_dead_notes1): New static function.
9694 (struct region): New fields: dont_calc_deps, has_real_ebb.
9695 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9696 (BB_TO_BLOCK): Fixed to handle EBBs.
9697 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9698 (ebb_head): New static variable.
9699 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9700 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9702 (compute_dom_prob_ps): New assertion.
9703 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9704 global_live_at_start.
9705 (init_ready_list): New assertions.
9706 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9707 (new_ready): Add support for BEGIN_CONTROL speculation.
9708 (schedule_insns): Fixed code that updates register live information
9710 (schedule_region): Fixed to handle EBBs.
9711 (init_regions): Use extend_regions and check_dead_notes1.
9712 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9713 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9714 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9715 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9716 TARGET_SCHED_GEN_CHECK,
9717 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9718 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9719 * doc/invoke.texi (max-sched-insn-conflict-delay,
9720 sched-spec-prob-cutoff): Document.
9722 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9724 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9725 inter_tick, queue_index.
9726 (struct sched_info): Change signature of init_ready_list field.
9727 Adjust all initializations.
9728 (RESOLVED_DEPS): New access macro.
9729 (ready_add): Remove prototype.
9730 (try_ready): Add prototype.
9731 * sched-rgn.c (init_ready_list): Use try_ready.
9732 (schedule_region): Initialize
9733 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9734 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9735 (init_ready_list): Use try_ready.
9736 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9737 * lists.c (remove_list_elem): Remove `static'.
9738 (remove_free_INSN_LIST_elem): New function.
9739 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9740 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9741 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9743 (readyp): New variable.
9744 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9745 change_queue_index, resolve_dep): New static functions.
9746 (try_ready): New function. Adjust callers in sched-rgn.c and
9747 sched-ebb.c to use it instead of ready_add.
9748 (clock_var): Move at the begining of file.
9749 (rank_for_schedule): Fix typo.
9750 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9751 (ready_lastpos): Enforce assertion.
9752 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9754 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9755 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9756 (queue_to_ready): Use free_INSN_LIST_list.
9757 (early_queue_to_ready): Fix typo.
9758 (schedule_block): Init readyp. Move init_ready_list call after the
9759 initialization of clock_var. Fix error in rejecting insn by
9760 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9761 that previously corrected INSN_TICKs. Add code for handling
9763 (set_priorities): Fix typo.
9764 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9765 Clarify comment and code that keeps current_sched_info->next_tail
9768 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9770 * sched-rgn.c (extend_rgns): New static function.
9771 (find_rgns): Use it.
9772 (gather_region_statistics, print_region_statistics): New static
9774 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9775 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9777 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9778 Andrey Belevantsev <abel@ispras.ru>
9780 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9781 * lists.c (unused_deps_list): New variable.
9782 (free_list): Add assertions to verify the proper distinguishing
9783 between INSN_LISTs and DEPS_LISTs.
9784 (find_list_elem, remove_list_elem, remove_list_node): New static
9786 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9787 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9788 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9789 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9791 (free_INSN_LIST_node): Likewise.
9792 * modulo-sched.c (current_sched_info): Initialize flags field.
9793 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9794 * rtl.def (DEPS_LIST): Define.
9795 * rtl.h: Declare new functions from lists.c.
9796 * sched-deps.c (spec_dependency_cache): New static variable.
9797 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9798 (add_dependence): Change return type to void. Move the logic to ...
9799 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9800 (delete_all_dependences): Add comment about forward_dependency_cache.
9801 Handle spec_dependency_cache. Handle DEPS_LISTs.
9802 (fixup_sched_groups): Clarify the change of priority of output
9803 and anti dependencies.
9804 (sched_analyze_2): Adjust add_dependence calls to create data
9805 speculative dependence.
9806 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9807 Adjust all callers. Handle DEPS_LISTS.
9808 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9809 presence of speculation.
9810 (init_dependency_caches, free_dependency_caches):
9811 Handle spec_dependency_cache.
9812 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9813 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9814 New static functions.
9815 (add_or_update_back_dep, add_or_update_back_forw_dep,
9816 add_back_forw_dep, delete_back_forw_dep): New functions.
9817 * sched-int.h (ds_t, dw_t): New typedefs.
9818 (struct sched_info): Add new field flags.
9819 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9820 Prototype new sched-deps.c functions.
9821 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9822 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9823 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9824 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9825 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9826 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9828 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9830 * sched-rgn.c (current_sched_info): Initialize flags field.
9831 (schedule_insns): Initialize current_sched_info before the sched_init
9833 * sched-ebb.c (current_sched_info): Initialize flags field.
9834 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9835 Call add_or_update_back_dep instead of add_dependence.
9836 Create control speculative dependencies.
9837 (schedule_insns): Initialize current_sched_info before the sched_init
9840 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9842 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9844 (sh_fallback_frame_state): Likewise.
9846 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9848 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9849 Do switch on default_use_cxa_atexit.
9850 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9851 * config/darwin-crt3.o: New.
9852 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9853 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9854 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9856 * config/rs6000/t-darwin: Move crt2.o building to here.
9857 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9858 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9861 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9863 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9864 from '! xxx' to '!xxx' for coding-style conformance.
9865 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9866 (EXTRA_CONSTRAINT): Likewise.
9867 * config/vax/vax.md (four unnamed insns): Likewise.
9869 2006-03-15 Paul Brook <paul@codesourcery.com>
9871 * config/arm/arm.c (minipool_pad): New.
9872 (add_minipool_forward_ref): Include pool alignment padding in address
9874 (push_minipool_fix): Set minipool_pad.
9875 (minipool_pad): Ditto.
9877 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9879 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9880 instead of GET_CODE() == MEM and REG_P() instead of
9882 (print_operand_address): Likewise.
9883 (vax_address_cost): Likewise.
9884 (vax_rtx_costs): Likewise.
9885 (vax_notice_update_cc): Likewise.
9886 (vax_output_int_add): Likewise.
9887 (INDEX_REGISTER_P): Likewise.
9888 (BASE_REGISTER_P): Likewise.
9889 (nonindexed_address_p): Likewise.
9890 (vax_mode_dependent_address_p): Likewise.
9891 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9892 (PRINT_OPERAND): Likewise.
9893 * config/vax/vax.md (ashlsi3): Likewise.
9894 (ashlsi3): Likewise.
9895 (some more unnamed insns): Likewise.
9897 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9899 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9900 iterator-style macro.
9901 (mark_control_dependent_edges_necessary): Update the use of
9902 EXECUTE_IF_CONTROL_DEPENDENT.
9904 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9906 * config/sh/predicates.md (cache_address_operand): Special.
9907 (ua_address_operand): Likewise.
9909 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9911 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9913 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9915 2006-03-15 Andreas Schwab <schwab@suse.de>
9917 * gensupport.c (identify_predicable_attribute): Don't free p_false
9918 when it is still in use.
9920 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9922 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9923 the default setting here.
9925 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9927 * tree-pass.h (pass_cfg): Remove.
9928 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9929 * passes.c (pass_cfg): Don't run it.
9931 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9933 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9934 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9936 (stack_regs_mentioned): Update the uses of
9937 stack_regs_mentioned_data. Don't access the array beyond its
9939 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9940 Don't include gt-reg-stack.h.
9942 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9943 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9945 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9948 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9951 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9953 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9955 2006-03-14 Richard Guenther <rguenther@suse.de>
9957 PR tree-optimization/26672
9958 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9961 2006-03-14 Richard Guenther <rguenther@suse.de>
9963 PR tree-optimization/26667
9964 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9965 node for the callees. Always allow inlining if it will shrink
9968 2006-03-14 Richard Guenther <rguenther@suse.de>
9971 * builtins.c (get_pointer_alignment): Prefer alignment
9972 information from decls over that from types.
9974 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9977 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9979 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9981 * config/rs6000/rs6000.opt (mdlmzb): New option.
9982 (msched-prolog, msched-epilog): Use Var not Mask.
9983 * doc/invoke.texi (-mdlmzb): Document.
9984 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9986 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9987 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9989 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9991 PR rtl-optimization/25739
9992 * bt-load.c (augment_live_range): Free tos pointer.
9994 * gensupport.c (identify_predicable_attribute): Free
9996 * gcov.c (create_file_names): Free name pointer.
9998 2006-03-13 Roger Sayle <roger@eyesopen.com>
10000 PR middle-end/26557
10001 * stmt.c (emit_case_nodes): Handle the case where the index is a
10002 CONST_INT, where the comparison mode is specified by the index type.
10004 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10006 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10009 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10011 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10012 (*branch_fp_inverted): Likewise.
10014 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10016 PR middle-end/25989
10017 * omp-low.c (expand_omp_for_generic): Mark istart0
10018 and iend0 as addressable.
10020 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10022 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10024 2006-03-13 Jeff Law <law@redhat.com>
10026 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10027 virtual operands are interesting.
10028 (vrp_visit_stmt): Corresponding changes.
10030 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10032 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10034 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10035 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10036 * config/bfin/crti.S: Use it instead of __PIC__.
10037 * config/bfin/crtn.S: Likewise.
10039 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10040 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10042 Lose 'G' modifier for call operand.
10043 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10044 recognize 'G' modifier.
10046 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10048 PR middle-end/18859
10049 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10050 * stmt.c (expand_case): Likewise.
10052 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10054 PR rtl-optimization/26254
10055 * loop-invariant.c (seq_insns_valid_p): New function.
10056 (move_invariant_reg): Only emit new code if it is valid.
10058 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10060 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10062 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10063 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10064 (commit_one_edge_insertion): Do not look for loop notes.
10066 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10068 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10069 flag_test_coverage out of loop.
10071 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10073 * final.c (shorten_branches): Remove outdated comment, and turn
10074 the if branch that guards it to continue.
10076 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10078 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10079 * cfgloop.h (struct loop): Remove unused fields.
10081 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10083 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10084 (-dL, -fdump-rtl-loop2): Update the dump file names
10086 * doc/invoke.texi: Update dump file names.
10088 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10090 * predict.c (estimate_probability): Remove.
10091 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10092 * basic-block.h (estimate_probability): Remove prototype.
10093 * passes.c (finish_optimization_passes): Dump branch prediction or
10094 profiling heuristics to the .profile tree dump.
10095 (init_optimization_passes): Unqueue pass_branch_prob.
10097 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10099 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10101 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10102 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10104 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10106 * function.h (frame_offset_overflow): Declare.
10107 * function.c (frame_offset_overflow): New function.
10108 (assign_stack_local_1): Call it to detect that the offset overflows.
10109 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10111 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10113 * config/sh/sh.c: Include alloc-pool.h.
10114 (label_ref_list_pool): New alloc pool.
10115 (label_ref_list_t): New type for lists of labels.
10116 (struct pool_node): Make wend a label_ref_list_t.
10117 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10119 (dump_table): Likewise.
10120 (sh_reorg): Set up the alloc pool before using add_constant and
10121 dump_table, and destroy it when finishing.
10123 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10125 * config/mips/mips.c: Remove redundant comment.
10127 2006-03-10 Jason Merrill <jason@redhat.com>
10130 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10131 the target was declared 'register'.
10133 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10135 * genpreds.c (write_insn_constraint_len): Change definition of
10136 insn_constraint_len to return size_t to match the declaration.
10138 2006-03-10 DJ Delorie <dj@redhat.com>
10140 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10142 (m32c_expand_insv): Fix test for an AND mask.
10144 2006-03-10 Richard Guenther <rguenther@suse.de>
10146 PR middle-end/26565
10147 * builtins.c (get_pointer_alignment): Handle component
10148 references for field alignment.
10150 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10152 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10153 when building with libgloss.
10154 (sh*elf): Implement --without-fp option.
10155 (sh64-superh-linux*): Don't multilib.
10157 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10159 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10161 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10163 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10164 Set it when one of the replacement functions returned true.
10165 Return TODO_cleanup_cfg if cfgchanged is true.
10166 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10168 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10170 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10171 instead of gen_lowpart.
10173 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10175 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10177 (mips_output_order_conditional_branch): Declare.
10178 * config/mips/mips.h (MIPS_BRANCH): New macro.
10179 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10180 for the comparison. Use gen_condjump.
10181 (mips_output_conditional_branch): Rework interface to take the
10182 asm templates for a direct branch and the inverse of a direct branch.
10183 (mips_output_order_conditional_branch): New function.
10184 (mips_builtin_branch_and_move): New function.
10185 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10186 branch condition. Use gen_single_cc as the condition for
10187 __builtin_mips_upper_* or __builtin_mips_lower_*.
10188 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10189 Use VOIDmode for the branch condition.
10190 * config/mips/predicates.md (order_operator): New predicate.
10191 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10192 (branch_fp): Rename to...
10193 (*branch_fp): ...this. Remove mode from comparison operator.
10194 Use new mips_output_conditional_branch interface.
10195 (branch_fp_inverted): Rename to...
10196 (*branch_fp_inverted): ...this and update as for *branch_fp.
10197 (*branch_zero<mode>): Rename to...
10198 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10199 Use mips_output_order_conditional_branch. Only accept ordered
10201 (*branch_zero<mode>_inverted): Rename to...
10202 (*branch_order<mode>_inverted): ...this and update as for
10203 *branch_order<mode>.
10204 (*branch_equality<mode>): Accept zero as the second operand to
10205 the equality operator. Use the new mips_output_conditional_branch
10207 (*branch_equality<mode>_inverted): Likewise.
10208 (condjump): New expander.
10209 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10211 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10212 (bc1any2t, bc1any2f): Likewise.
10213 (single_cc): New expander.
10214 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10216 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10218 * doc/md.texi: Update documentation of MIPS constraints.
10219 * config/mips/constraints.md: New file.
10220 * config/mips/mips.md: Include it.
10221 * config/mips/mips.c (mips_char_to_class): Delete.
10222 (override_options): Don't initialize mips_char_to_class.
10223 * config/mips/mips.h (mips_char_to_class): Delete.
10224 (REG_CLASS_FROM_LETTER): Delete.
10225 (CONST_OK_FOR_LETTER_P): Delete.
10226 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10227 (EXTRA_CONSTRAINT_Y): Delete.
10228 (EXTRA_CONSTRAINT_STR): Delete.
10229 (CONSTRAINT_LEN): Delete.
10230 (EXTRA_MEMORY_CONSTRAINT): Delete.
10232 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10234 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10235 original fn's eh regions.
10237 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10239 * fold-const.c (build_range_check): Make sure to use a valid type to
10240 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10243 (range_predecessor): New static function.
10244 (range_successor): Likewise.
10245 (merge_ranges): Use them to compute predecessors and successors of
10248 2006-03-09 Roger Sayle <roger@eyesopen.com>
10250 PR middle-end/26561
10251 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10252 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10254 2006-03-08 DJ Delorie <dj@redhat.com>
10256 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10257 (addpsi3): Expand to include memory operands. Remove
10258 reload-specific splits.
10259 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10260 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10261 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10262 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10263 (shift1_qi, shift1_hi, insv): New.
10264 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10265 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10266 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10268 * config/m32c/m32c-protos.h: Update as needed.
10269 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10270 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10271 Fail for unrecognized R* constraints.
10272 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10273 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10274 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10276 (m32c_init_libfuncs): New.
10277 (m32c_legitimate_address_p): Add debug wrapper.
10278 (m32c_rtx_costs): New.
10279 (m32c_address_cost): New.
10280 (conversions): Add 'B' prefix.
10281 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10282 operands, or word regnames for QI operands. 'B' prints bit
10284 (m32c_expand_setmemhi): New.
10285 (m32c_expand_movmemhi): New.
10286 (m32c_expand_movstr): New.
10287 (m32c_expand_cmpstr): New.
10288 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10289 (m32c_expand_neg_mulpsi3): Handle non-ints.
10290 (m32c_cmp_flg_0): New.
10291 (m32c_expand_movcc): New.
10292 (m32c_expand_insv): New.
10293 (m32c_scc_pattern): New.
10294 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10295 a0/a1 out of SIregs.
10296 (STORE_FLAG_VALUE): New.
10297 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10300 * config/m32c/mov.md: Make constraints more liberal.
10301 (zero_extendqihi2): Optimize r0/r1 case.
10302 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10303 * config/m32c/predicates.md (m32c_any_operand): New.
10304 (m32c_nonimmediate_operand): New.
10305 (m32c_hl_operand): New.
10306 (m32c_r3_operand): New.
10309 (memsym_operand): New.
10310 (memimmed_operand): New.
10311 (a_qi_operand): New.
10312 (m32c_eqne_operator): New.
10313 (m32c_1bit8_operand): New.
10314 (m32c_1bit16_operand): New.
10315 (m32c_1mask8_operand): New.
10316 (m32c_1mask16_operand): New.
10317 * config/m32c/blkmov.md: New file.
10318 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10320 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10322 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10323 unsigned to fix signed/unsigned comparison issue in
10324 DWARF2_FRAME_REG_OUT.
10325 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10326 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10328 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10329 of ptr into the ENABLE_CHECKING section.
10331 2006-03-08 Jeff Law <law@redhat.com>
10333 * tree-vrp.c (infer_value_range): Only count pointer uses
10334 and dereferences if -fdelete-null-pointer-checks is enabled.
10336 * tree-vrp.c (find_assert_locations): Infer value ranges for
10337 single use pointers, but do not create ASSERT_EXPRs for them.
10338 When a non-null range is inferred for a pointer, backwards
10339 propagate that range to other equivalent pointers through the
10342 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10345 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10346 language hook targets.
10347 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10348 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10349 if language hook targets were missing.
10351 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10353 * tree-ssa-opfinalize.h: Removed.
10354 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10356 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10357 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10358 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10359 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10360 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10361 finalize_ssa_v_must_def_ops): New.
10363 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10365 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10366 block as parameter.
10368 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10370 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10372 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10373 addresses with offsets; reorganize.
10375 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10376 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10377 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10379 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10382 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10384 2006-03-08 Ben Elliston <bje@au.ibm.com>
10386 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10388 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10391 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10394 2006-03-07 Richard Guenther <rguenther@suse.de>
10396 PR tree-optimization/26587
10397 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10399 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10401 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10403 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10405 * hooks.c (hook_bool_mode_rtx_true): New function.
10406 * hooks.h (hook_bool_mode_rtx_true): Declare.
10407 * toplev.c (compile_file): Call output_shared_constant_pool.
10408 * varasm.c (shared_constant_pool): New variable.
10409 (assemble_start_function, assemble_end_function): Remove arguments
10410 from call to output_constant_pool.
10411 (create_constant_pool): New function, split out from...
10412 (init_varasm_status): ...here.
10413 (force_const_mem): Choose between the shared and per-function constant
10414 pools. Set current_function_uses_const_pool when reusing old entries
10415 as well as when creating new ones.
10416 (mark_constant): Ignore data argument.
10417 (mark_constants): Remove pool argument.
10418 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10419 to decide whether the function uses a constant pool.
10420 (output_constant_pool_contents): New function, split out from...
10421 (output_constant_pool): ...here.
10422 (output_shared_constant_pool): New function.
10423 (init_varasm_once): Initialize shared_constant_pool.
10424 * output.h (output_constant_pool): Delete.
10425 (output_shared_constant_pool): Declare.
10426 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10427 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10429 2006-03-06 Nick Clifton <nickc@redhat.com>
10431 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10432 flag_strength_reduce.
10434 2006-03-06 Ben Elliston <bje@au.ibm.com>
10436 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10437 x86_64-*-linux* configurations.
10439 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10440 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10444 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10446 * basic-block.h: Remove the extern for
10447 rediscover_loops_after_threading.
10449 * cfgloop.c (cancel_loop): Make it static.
10450 * cfgloop.h: Remove the prototype for cancel_loop.
10452 * flow.c (recompute_reg_usage): Make it static.
10453 * rtl.h: Remove the prototype for recompute_reg_usage.
10455 * function.c (use_return_register): Make it static.
10456 * function.h: Remove the prototype.
10458 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10460 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10462 * recog.h: Remove the prototype for
10463 validate_change_maybe_volatile.
10465 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10467 * rtlanal.c (replace_reg): Remove.
10468 * rtl.h: Remove the prototype for replace_reg.
10470 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10472 * regclass.c (reg_scan_update): Remove.
10473 (reg_scan_mark_refs): Remove the last argument.
10474 * rtl.h: Remove the prototype for reg_scan_update.
10476 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10478 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10479 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10480 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10481 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10482 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10483 loop-invariant.c, omp-low.c, opts.c, passes.c,
10484 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10485 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10486 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10487 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10488 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10489 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10493 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10494 * dwarf2out.h: Remove the prototype for
10495 dwarf2out_add_library_unit_info.
10497 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10499 * tree.c (add_var_to_bind_expr): Remove.
10500 * tree.h: Remove the prototype for add_var_to_bind_expr.
10502 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10504 * regclass.c (n_non_fixed_regs): Remove.
10505 (init_reg_sets_1, globalize_reg): Remove all uses of
10507 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10509 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10511 * rtlanal.c (insns_safe_to_move_p): Remove.
10512 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10514 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10516 * expmed.c (expand_mult_add): Remove.
10517 * expr.h: Remove the prototype for expand_mult_add.
10519 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10521 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10522 and REG_SAVED_VAL_EXP constants.
10523 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10524 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10525 Handle regs stored by value.
10526 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10527 (execute_cfa_program): Handle DW_CFA_val_offset,
10528 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10529 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10530 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10531 (uw_install_context_1): Handle target regs stored by value.
10533 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10535 * tree-sra.c (tree_sra): Return todoflags;
10536 (generate_one_element): Set TODO_update_smt_usage if needed.
10537 (pass_sra): Remove TODO_update_smt_usage.
10538 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10540 (tree_ssa_forward_propagate_single_use_vars): Return
10541 TODO_update_smt_usage if we need to update SMT usage.
10542 (pass_forwprop): Remove TODO_update_smt_usage.
10544 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10546 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10547 (correct_use_link): Remove reference to get_stmt_operands.
10548 (update_stmt_operands): Likewise.
10549 (get_modify_expr_operands): New function factored out of
10550 parse_ssa_operands and get_expr_operands.
10551 Try to create V_MUST_DEFs for LHS by default.
10552 (get_expr_operands) <case MODIFY_EXPR>: Call
10553 get_modify_expr_operands.
10554 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10555 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10556 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10557 get_modify_expr_operands.
10559 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10561 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10562 * tree-flow.h: Remove the prototype for
10563 referenced_var_lookup_if_exists.
10565 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10567 PR rtl-optimization/26345
10569 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10571 2006-03-03 Roger Sayle <roger@eyesopen.com>
10573 PR tree-optimization/26524
10574 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10575 fold_convert to create a constant of the appropriate type.
10577 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10579 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10580 SYMBOL_REF_IN_BLOCK_P.
10581 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10582 of SYMBOL_FLAG_IN_BLOCK.
10583 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10584 instead of SYMBOL_REF_IN_BLOCK_P.
10585 * explow.c (use_anchored_address): Likewise.
10586 * rtl.c (rtx_size): Likewise.
10587 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10588 instead of SYMBOL_FLAG_IN_BLOCK.
10589 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10590 SYMBOL_REF_IN_BLOCK_P.
10591 (assemble_variable): Likewise.
10592 (output_constant_def_contents): Likewise.
10593 (output_constant_pool): Likewise.
10594 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10595 instead of SYMBOL_FLAG_IN_BLOCK.
10596 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10597 SYMBOL_REF_IN_BLOCK_P.
10598 (SYMBOL_REF_BLOCK): Likewise.
10599 (SYMBOL_REF_OFFSET): Likewise.
10600 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10601 SYMBOL_REF_IN_BLOCK_P.
10602 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10603 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10604 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10605 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10607 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10609 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10611 2006-03-02 Roger Sayle <roger@eyesopen.com>
10613 * simplify-rtx.c (simplify_unary_operation): When simplifying
10614 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10615 that we perform the right shift in the appropriate mode, and
10616 then extend or truncate the result to requested mode.
10618 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10620 * gengtype.c (main): Handle double_int type.
10621 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10622 * double-int.c: New file.
10623 * double-int.h: New file.
10624 * system.h: Include doubleint.h.
10625 * Makefile.in (SYSTEM_H): Include double-int.h.
10626 (double-int.o): Add.
10628 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10631 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10634 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10636 * tree-vrp.c (remove_range_assertions): Do not update statements
10639 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10641 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10643 * gcse.c (rest_of_handle_gcse): Ditto.
10644 * except.c (gate_handle_eh): Ditto.
10645 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10646 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10648 2006-03-02 Eric Christopher <echristo@apple.com>
10650 * config/i386/i386.c (machopic_output_stub): Add indirection to
10653 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10657 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10659 Sun Niagara specific optimizations.
10660 * config.gcc: Recognize niagara as target.
10661 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10662 (TARGET_CPU_niagara): Define.
10663 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10664 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10665 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10666 (ASM_CPU_SPEC): Likewise.
10667 (PROCESSOR_NIAGARA): New enum entry.
10668 (REGISTER_MOVE_COST): Handle Niagara.
10669 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10670 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10671 (sparc_override_options): Recognize "niagara", set appropriate
10672 default MASK_* values for it, and align functions to 32-bytes
10673 by default just like ULTRASPARC/ULTRASPARC3.
10674 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10675 (sparc64_initialize_trampoline): Likewise.
10676 (sparc_use_sched_lookahead): Use zero for niagara.
10677 (sparc_issue_rate): Use one for niagara.
10678 * config/sparc/niagara.md: New file.
10679 * config/sparc/sparc.md: Include it.
10680 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10681 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10682 when default cpu is niagara.
10683 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10684 (ASM_CPU_SPEC): Likewise.
10685 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10686 when default cpu is niagara.
10687 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10688 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10689 just like v9/ultrasparc/ultrasparc3.
10690 * doc/invoke.texi: Add documentation for "niagara" and improve
10691 existing documentation for ultrasparc variants.
10693 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10695 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10697 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10699 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10700 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10701 and say that only one is needed.
10702 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10703 * target.h (have_switchable_bss_sections): New hook.
10704 * explow.c (use_anchored_address): Check that the symbol is in a block.
10705 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10706 (bss_noswitch_section): New variables.
10707 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10708 (get_noswitch_section): New function.
10709 (get_block_for_section): Allow SECT to be null.
10710 (unlikely_text_section_p): Use SECTION_STYLE.
10711 (bss_initializer_p): New function.
10712 (get_variable_section): Move earlier in file. Take a new argument,
10713 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10714 Return one of the new *_sections in such cases.
10715 (get_block_for_decl): New function, extracting some logic from
10716 use_blocks_for_decl_p.
10717 (change_symbol_section): Remove in favor of...
10718 (change_symbol_block): ...this new function.
10719 (use_blocks_for_decl_p): Remove checks now performed by
10720 get_block_for_decl.
10721 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10722 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10723 (emit_local, emit_bss, emit_common): ...these new functions.
10724 Return true if the alignment was honored.
10725 (emit_tls_common): New function.
10726 (asm_emit_uninitialised): Delete.
10727 (assemble_variable_noswitch): New function, split out from...
10728 (assemble_variable): ...here. Don't make decisions about common
10729 variables here. Globalize all public decls that go into non-common
10730 sections. Check whether SYMBOL_REF_BLOCK is null.
10731 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10732 (output_constant_pool): Likewise.
10733 (init_varasm_once): Initialize the new section variables.
10734 (have_global_bss_p): New function.
10735 (categorize_decl_for_section): Use bss_initializer_p.
10736 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10737 (place_block_symbol): Assert that the symbol must be in a block.
10738 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10739 (TARGET_INITIALIZER): Include it.
10740 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10741 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10742 (SECTION_MACH_DEP): Bump by two.
10743 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10744 (unnamed_section): Mention SECTION_UNNAMED in comment.
10745 (named_section): Likewise SECTION_NAMED.
10746 (noswitch_section_callback): New type.
10747 (noswitch_section): New structure.
10748 (section): Add a noswitch_section alternative.
10749 (SECTION_STYLE): New macro.
10750 (tls_comm_section, comm_section, lcomm_section): Declare.
10751 (bss_noswitch_section, have_global_bss_p): Declare.
10752 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10753 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10755 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10756 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10759 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10761 * tree-vrp.c (execute_vrp): Return value.
10762 * regrename.c (rest_of_handle_regrename): Ditto.
10763 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10764 * tree-complex.c (tree_lower_complex): Ditto.
10765 (tree_lower_complex_O0): Ditto.
10766 * tracer.c (rest_of_handle_tracer): Ditto.
10767 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10768 * postreload.c (rest_of_handle_postreload): Ditto.
10769 * tree-tailcall.c (execute_tail_recursion): Ditto.
10770 (execute_tail_calls): Ditto.
10771 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10772 * tree.h (init_function_for_compilation): Ditto.
10773 * ipa-cp.c (ipcp_driver): Ditto.
10774 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10775 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10776 * final.c (compute_alignments): Ditto.
10777 (rest_of_handle_final): Ditto.
10778 (rest_of_handle_shorten_branches): Ditto.
10779 (rest_of_clean_state): Ditto.
10780 * omp-low.c (execute_expand_omp): Ditto.
10781 (execute_lower_omp): Ditto.
10782 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10783 * ipa-reference.c (static_execute): Ditto.
10784 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10785 * reorg.c (rest_of_handle_delay_slots): Ditto.
10786 (rest_of_handle_machine_reorg): Ditto.
10787 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10788 * flow.c (recompute_reg_usage): Ditto.
10789 (rest_of_handle_remove_death_notes): Ditto.
10790 (rest_of_handle_life): Ditto.
10791 (rest_of_handle_flow2): Ditto.
10792 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10793 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10794 (do_ssa_store_ccp): Ditto.
10795 (execute_fold_all_builtins): Ditto.
10796 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10797 * modulo-sched.c (rest_of_handle_sms): Ditto.
10798 * ipa-pure-const.c (static_execute): Ditto.
10799 * cse.c (rest_of_handle_cse): Ditto.
10800 (rest_of_handle_cse2): Ditto.
10801 * web.c (rest_of_handle_web): Ditto.
10802 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10803 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10804 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10805 * tree-nrv.c (tree_nrv): Ditto.
10806 (execute_return_slot_opt): Ditto.
10807 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10808 (create_structure_vars): Ditto.
10809 * loop-init.c (rtl_loop_init): Ditto.
10810 (rtl_loop_done): Ditto.
10811 (rtl_move_loop_invariants): Ditto.
10812 (rtl_unswitch): Ditto.
10813 (rtl_unroll_and_peel_loops): Ditto.
10814 (rtl_doloop): Ditto.
10815 * gimple-low.c (lower_function_body): Ditto.
10816 (mark_used_blocks): Ditto.
10817 * tree-ssa-sink.c (execute_sink_code): Ditto.
10818 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10819 (cgraph_early_inlining): Ditto.
10820 * global.c (rest_of_handle_global_alloc): Ditto.
10821 * jump.c (cleanup_barriers): Ditto.
10822 (purge_line_number_notes): Ditto.
10823 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10824 (rest_of_handle_if_after_reload): Ditto.
10825 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10826 (tree_ssa_loop_im): Ditto.
10827 (tree_ssa_loop_unswitch): Ditto.
10828 (tree_vectorize): Ditto.
10829 (tree_linear_transform): Ditto.
10830 (tree_ssa_loop_ivcanon): Ditto.
10831 (tree_ssa_empty_loop): Ditto.
10832 (tree_ssa_loop_bounds): Ditto.
10833 (tree_complete_unroll): Ditto.
10834 (tree_ssa_loop_prefetch): Ditto.
10835 (tree_ssa_loop_ivopts): Ditto.
10836 (tree_ssa_loop_done): Ditto.
10837 * predict.c (tree_estimate_probability): Ditto.
10838 * recog.c (split_all_insns_noflow): Ditto.
10839 (rest_of_handle_peephole2): Ditto.
10840 (rest_of_handle_split_all_insns): Ditto.
10841 * tree-eh.c (lower_eh_constructs): Ditto.
10842 * regmove.c (rest_of_handle_regmove): Ditto.
10843 (rest_of_handle_stack_adjustments): Ditto.
10844 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10845 * function.c (instantiate_virtual_regs): Ditto.
10846 (init_function_for_compilation): Ditto.
10847 (rest_of_handle_check_leaf_regs): Ditto.
10848 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10849 (rest_of_handle_gcse): Ditto.
10850 * ipa-type-escape.c (type_escape_execute): Ditto.
10851 * alias.c (rest_of_handle_cfg): Ditto.
10852 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10853 * profile.c (rest_of_handle_branch_prob): Ditto.
10854 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10855 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10856 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10857 * tree-dfa.c (find_referenced_vars): Ditto.
10858 * except.c (set_nothrow_function_flags): Ditto.
10859 (convert_to_eh_region_ranges): Ditto.
10860 (rest_of_handle_eh): Ditto.
10861 * emit-rtl.c (unshare_all_rtl): Ditto.
10862 (remove_unnecessary_notes): Ditto.
10863 * except.h (set_nothrow_function_flags): Ditto.
10864 (convert_to_eh_region_ranges): Ditto.
10865 * cfgexpand.c (tree_expand_cfg): Ditto.
10866 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10867 * tree-ssa-pre.c (do_pre): Ditto.
10868 (execute_fre): Ditto.
10869 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10870 (rest_of_handle_jump2): Ditto.
10871 * tree-sra.c (tree_sra): Ditto.
10872 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10873 (execute_mudflap_function_decls): Ditto.
10874 * tree-ssa-copy.c (do_copy_prop): Ditto.
10875 (do_store_copy_prop): Ditto.
10876 * ipa-prop.h (ipcp_driver): Ditto.
10877 * cfglayout.c (insn_locators_initialize): Ditto.
10878 * tree-ssa-forwprop.c
10879 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10880 * cfglayout.h (insn_locators_initialize): Ditto.
10881 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10882 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10883 (execute_late_warn_uninitialized): Ditto.
10884 * rtl.h (cleanup_barriers): Ditto.
10885 (split_all_insns_noflow): Ditto.
10886 (purge_line_number_notes): Ditto.
10887 (unshare_all_rtl): Ditto.
10888 (remove_unnecessary_notes): Ditto.
10889 (recompute_reg_usage): Ditto.
10890 (variable_tracking_main): Ditto.
10891 * integrate.c (emit_initial_value_sets): Ditto.
10892 * integrate.h (emit_initial_value_sets): Ditto.
10893 * tree-optimize.c (execute_free_datastructures): Ditto
10894 (execute_free_cfg_annotations): Ditto.
10895 (execute_fixup_cfg): Ditto.
10896 (execute_cleanup_cfg_pre_ipa): Ditto.
10897 (execute_cleanup_cfg_post_optimizing): Ditto.
10898 (execute_init_datastructures): Ditto.
10899 * tree-object-size.c (compute_object_sizes): Ditto.
10900 * combine.c (rest_of_handle_combine): Ditto.
10901 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10902 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10903 (rest_of_handle_reorder_blocks): Ditto.
10904 (rest_of_handle_partition_blocks): Ditto.
10905 * var-tracking.c (variable_tracking_main): Ditto.
10906 * tree-profile.c (tree_profiling): Ditto.
10907 * tree-vect-generic.c (expand_vector_operations): Ditto.
10908 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10909 * sched-rgn.c (rest_of_handle_sched): Ditto.
10910 (rest_of_handle_sched2): Ditto.
10911 * basic-block.h (free_bb_insn): Ditto.
10912 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10913 * tree-cfg.c (execute_build_cfg): Ditto.
10914 (remove_useless_stmts): Ditto.
10915 (split_critical_edges): Ditto.
10916 (execute_warn_function_return): Ditto.
10917 (execute_warn_function_noreturn): Ditto.
10918 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10919 * cfgrtl.c (free_bb_for_insn): Ditto.
10920 * passes.c (execute_one_pass): Run additional
10921 todos returned by execute function.
10922 * tree-pass.h (struct tree_opt_pass): Make execute
10925 2006-03-02 Richard Guenther <rguenther@suse.de>
10927 * tree-ssa-alias.c (find_used_portions): Consider taking
10928 the address as making the variable not write-only.
10930 2006-03-02 Nick Clifton <nickc@redhat.com>
10932 * config.gcc (default_use_cxa_atexit): Extend the description of
10933 this configure variable. Set its default value to "yes" for
10934 Linux, NetBSD and ELF targets on the assumption that they will
10935 use C libraries with the __cxa_atexit function.
10937 2006-03-02 Ben Elliston <bje@au.ibm.com>
10939 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10940 parameter as unused to suppress a build warning.
10942 2006-03-02 Ben Elliston <bje@au.ibm.com>
10944 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10947 2006-03-01 Roger Sayle <roger@eyesopen.com>
10950 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10951 declared name, the weak reference name, and the typeof name.
10952 (__gthrw): Avoid expanding the declared name suffix.
10953 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10955 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10957 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10959 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10960 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10961 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10962 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10963 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10964 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10965 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10966 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10967 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10968 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10969 (DW_END_default, DW_END_big, DW_END_little): New.
10970 (DW_END_lo_user, DW_END_hi_user): Define.
10971 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10972 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10973 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10976 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10978 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10980 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10982 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10984 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10986 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10987 to 'symbol_mem_tag'.
10989 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10992 2006-03-01 Roger Sayle <roger@eyesopen.com>
10994 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10996 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10999 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11000 MACHO_DYNAMIC_NO_PIC_P.
11001 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11003 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11006 * config/darwin-protos.h (darwin_asm_output_anchor):
11008 * config/darwin-sections.def (cstring_section):
11009 Add SECTION_MERGE to the flags.
11010 (literal4_section): Likewise.
11011 (literal8_section): Likewise.
11012 (objc_selector_refs_section): Likewise.
11013 (objc_cls_refs_section): Likewise.
11014 * config/darwin.c (darwin_asm_output_anchor): New
11016 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11018 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11020 Fix PR tree-optimization/26443
11021 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11022 to todo and PROP_tmt_usage to properties_destroyed.
11023 * tree-ssa-ccp.c (pass_ccp): Ditto.
11024 (pass_store_ccp): Ditto.
11025 * tree-ssa-dom.c (pass_dominator): Ditto.
11027 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11029 * tree-ssa-operands.c: Cleanup whitespace.
11030 (get_asm_expr_operands): Move before first invocation.
11031 (get_indirect_ref_operands): Likewise.
11032 (get_tmr_operands): Likewise.
11033 (get_call_expr_operands): Likewise.
11034 (append_def): Likewise.
11035 (append_use): Likewise.
11036 (append_v_may_def): Likewise.
11037 (append_v_must_def): Likewise.
11038 (add_call_clobber_ops): Likewise.
11039 (add_call_read_ops): Likewise.
11040 (add_stmt_operand): Likewise.
11041 (add_virtual_operand): Likewise.
11042 (build_ssa_operands): Likewise.
11044 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11046 PR middle-end/26022
11048 PR middle-end/24437
11049 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11050 with a call expr to ...
11051 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11053 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11055 * tree-vrp.c (extract_range_from_assert): Remove special
11056 handling for types with super-types.
11058 2006-03-01 Ben Elliston <bje@au.ibm.com>
11060 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11061 and powerpc64-*-linux* configurations.
11062 * config/t-dfprules: New file.
11064 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11065 Compile dfp-bit.c from the source directory using -DWIDTH and
11066 $DFP_CFLAGS to control the compilation of that file, rather than
11067 generating width-specific versions in the build directory.
11068 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11069 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11071 2006-02-28 Zack Weinberg <zackw@panix.com>
11073 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11076 2006-02-28 Eric Christopher <echristo@apple.com>
11078 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11079 Set up IN_LIBGCC definition of TARGET_64BIT.
11080 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11082 2006-02-28 Roger Sayle <roger@eyesopen.com>
11084 PR middle-end/14752
11085 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11086 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11087 cases via the construction of "expr != 0".
11089 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11091 * alias.c (alias_invariant, alias_invariant_size): Remove.
11092 (record_base_value): Remove.
11093 (memrefs_conflict_p): Don't look at alias_invariant.
11094 (end_alias_analysis): Don't free it.
11095 * alias.h (record_base_value): Remove prototype.
11097 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11098 Adam Nemet <anemet@caviumnetworks.com>
11100 * rtl.h (truncated_to_mode): Declare it.
11101 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11102 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11103 (RTL_HOOKS_INITIALIZER): Include it.
11104 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11105 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11106 reg_truncated_to_mode.
11107 * rtlanal.c (truncated_to_mode): Define it.
11108 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11110 2006-02-28 Jeff Law <law@redhat.com>
11112 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11113 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11114 the range allowed by TYPE_PRECISION.
11116 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11118 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11120 PR tree-optimization/26419
11121 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11124 2006-02-27 Zack Weinberg <zackw@panix.com>
11126 * doc/md.texi: Fix typo in previous change.
11128 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11132 2006-02-27 Zack Weinberg <zackw@panix.com>
11134 * rtl.def (define_constraint, define_register_constraint)
11135 (define_memory_constraint, define_address_constraint): New MD forms.
11136 * gensupport.c (process_rtx): Put define_constraint etc on the
11138 * genpreds.c (process_define_predicate): Adjust comment. Validate
11139 the name, and call validate_exp to validate the expression.
11140 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11141 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11142 all callers changed.
11143 (validate_exp, needs_variable, struct constraint_data)
11144 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11145 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11146 (const_dbl_constraints, constraint_max_namelen)
11147 (have_register_constraints, have_memory_constraints)
11148 (have_address_constraints, have_address_constraints)
11149 (have_extra_constraints, have_const_int_constraints)
11150 (have_const_dbl_constraints, mangle, add_constraint)
11151 (process_define_constraint, process_define_register_constraint)
11152 (write_enum_constraint_num, write_lookup_constraint)
11153 (write_insn_constraint_len, write_regclass_for_constraint)
11154 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11155 (write_insn_extra_memory_constraint)
11156 (write_insn_extra_address_constraint)
11157 (write_satisfies_constraint_fns): New.
11158 (write_tm_preds_h): If we have new-style constraint definitions,
11159 prototype the functions generated from them, and define the
11160 old constraint interface (still used by generic code) in terms of
11162 (write_insn_preds_c): If we have new-style constraint definitions,
11163 generate all relevant functions from those definitions.
11164 (main): Handle define_constraint etc.
11165 * genoutput.c (struct constraint_data, indep_constraints)
11166 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11167 (mdep_constraint_len): New data structures and functions, defined
11168 #ifdef USE_MD_CONSTRAINTS.
11169 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11170 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11171 use new logic to validate operand constraints against constraint
11173 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11175 * defaults.h: If none of the old-style constraint macros are
11176 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11177 old-style macros; and poison REG_CLASS_FROM_LETTER,
11178 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11180 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11181 * doc/md.texi: Document new constraint-definition mechanism and the
11182 C interface it provides. Remove references to old mechanism
11183 elsewhere in the document.
11184 (Machine Constraints): Use pathnames relative to gcc directory,
11185 i.e. config/ARCH/FILE. Change i386 section to refer to
11186 config/i386/predicates.md; update that section to match docstrings.
11187 * doc/tm.texi: Move all documentation of the old constraint-
11188 definition macros to their own section, clearly mark as obsolete.
11190 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11191 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11193 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11194 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11195 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11196 constraint strings.
11197 (splits and peepholes): Use satisfies_constraint_*.
11198 * config/i386/i386.c (memory_address_length)
11199 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11201 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11203 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11204 scalar operation to be put back into the loop.
11206 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11209 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11210 (extract_cie_info): Handle S flag in augmentation string.
11211 (execute_cfa_program): If context->signal_frame, execute also
11212 fs->pc == context->ra instructions.
11213 (uw_frame_state_for): If context->signal_frame, don't subtract one
11214 from context->ra to find FDE.
11215 (uw_update_context_1): Set context->signal_frame to
11217 (_Unwind_GetIPInfo): New function.
11218 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11219 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11221 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11222 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11223 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11224 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11225 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11226 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11227 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11228 x86_64_fallback_frame_state): Set fs->signal_frame.
11229 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11230 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11231 (frob_update_context): Likewise. Workaround missing S flag in
11232 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11233 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11234 Remove the psw_addr + 1 hack.
11236 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11238 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11239 with aggregates here.
11240 (find_func_aliases): Remove code for &<aggregate> from here.
11242 2006-02-26 Roger Sayle <roger@eyesopen.com>
11244 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11245 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11246 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11247 as (X & C) ne/eq 0.
11249 2006-02-26 Roger Sayle <roger@eyesopen.com>
11251 PR middle-end/19983
11252 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11254 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11256 * opts.c (decode_options): Do not handle flag_strength_reduce.
11257 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11258 and OPT_fstrength_reduce.
11259 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11260 flag_prefetch_loop_arrays for being nonzero.
11261 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11263 (fprefetch-loop-arrays-rtl): Removed.
11264 (flag_prefetch_loop_arrays): Do not specify the value.
11266 * doc/passes.texi: Update documentation of loop optimizer
11268 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11269 -frerun-loop-opt): Remove.
11271 2006-02-26 Richard Guenther <rguenther@suse.de>
11273 PR tree-optimization/26421
11274 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11275 in function calls that are ADDR_EXPRs as using the whole structure.
11277 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11279 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11280 * tree-pass.h (pass_loop_optimize): Remove.
11281 * passes.c (pass_loop_optimize): Never run it.
11282 * toplev.c (backend_init): Don't call init_loop.
11283 * opts.c (flag_loop_optimize_set): Remove.
11284 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11285 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11286 the old RTL loop optimizer when profiling enabled.
11287 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11288 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11289 pre-headers for the sake of the old RTL loop optimizer.
11290 * Makefile.in: Remove all references to loop.o.
11292 * doc/invoke.texi: Remove all references to -floop-optimize
11293 and -frerun-loop-opt.
11295 2006-02-26 Zack Weinberg <zackw@panix.com>
11297 * doc/md.texi (Machine Constraints): Refer to all files with paths
11298 relative to gcc directory (i.e. config/CPU/file). Add missing
11299 @table @code ... @end table to M32C subsection.
11301 2006-02-26 Roger Sayle <roger@eyesopen.com>
11303 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11305 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11307 2006-02-26 Roger Sayle <roger@eyesopen.com>
11308 James A. Morrison <phython@gcc.gnu.org>
11310 PR middle-end/21137
11311 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11312 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11313 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11314 signedness of the shift operation.
11316 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11318 PR tree-optimization/26359
11319 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11321 2006-02-25 Roger Sayle <roger@eyesopen.com>
11323 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11324 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11325 as X == 0, and some symmetry related transformations.
11326 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11328 2006-02-25 Roger Sayle <roger@eyesopen.com>
11330 PR middle-end/23673
11331 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11332 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11333 symmetry related transformations. Fold (X^C1) == C2 as
11336 2006-02-25 Juergen Weigert <jw@suse.de>
11337 Richard Guenther <rguenther@suse.de>
11339 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11341 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11343 * combine.c (gen_lowpart_or_truncate): Call
11344 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11346 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11348 * doc/invoke.texi: Move -fopenmp description to "Options for
11350 Remove reference to -lgomp.
11352 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11354 * doc/install.texi: Require GNU tar version 1.14.
11356 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11358 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11359 * doc/invoke.texi (C++ Dialect Options): Document
11360 -fno-use-cxa-get-exception-ptr.
11361 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11362 * configure: Regenerate.
11363 * c.opt (fuse-cxa-get-exception-ptr): New.
11364 * c-opts.c (c_common_handle_option): Handle
11365 OPT_fuse_cxa_get_exception_ptr.
11366 * c-common.c (flag_use_cxa_atexit): Update documentation.
11367 (flag_use_cxa_get_exception_ptr): New.
11368 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11369 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11371 (C_COMMON_OVERRIDE_OPTIONS): New.
11373 2006-02-24 Roger Sayle <roger@eyesopen.com>
11375 PR middle-end/24952
11376 * combine.c (try_combine): Explicitly check whether GET_CODE is
11377 a SET or a CLOBBER, instead on checking that it isn't a USE.
11379 2006-02-24 Roger Sayle <roger@eyesopen.com>
11381 * fold-const.c (fold_comparison): New subroutine of fold_binary
11382 containing transformations common to both the equality and
11383 ordering relational operators, factored out of fold_binary.
11384 (fold_binary): Separate out the equality operators (EQ_EXPR
11385 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11386 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11387 transformations common to both.
11388 (fold_div_compare): Fix latent bugs in the previously unreachable
11389 LT_EXPR and GE_EXPR cases.
11391 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11393 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11394 decl libname for clog to __clog on AIX.
11396 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11398 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11401 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11402 output traceback table for thunks. Localise rs6000_stack_info call.
11404 2006-02-23 Roger Sayle <roger@eyesopen.com>
11405 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11407 * gthr-posix.h (__gthrw): Fix typo in comment.
11409 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11411 * doc/cpp.texi (Character sets): Document that we do support
11412 input files to be in any character set.
11414 2006-02-23 Jeff Law <law@redhat.com>
11416 * tree.h (PHI_ARG_NONZERO): Remove.
11417 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11418 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11419 node to the new node.
11421 PR tree-optimization/26425
11422 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11423 min/max, then assume its varying.
11425 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11427 PR rtl-optimization/26316
11428 * rtlanal.c (enum may_trap_p_flags): New.
11429 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11430 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11431 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11432 (may_trap_after_code_motion_p): New function.
11433 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11434 (find_invariant_insn): Use may_trap_after_code_motion_p.
11435 * rtl.h (may_trap_after_code_motion_p): Declare.
11437 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11439 * emit-rtl.c (immed_double_const): Cleanup.
11441 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11443 Fix PR tree-optimization/26376
11444 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11447 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11449 PR middle-end/26412
11450 * gimplify.c (omp_add_variable): Guard variable size decl test with
11451 DECL_SIZE (decl) check.
11453 2006-02-23 Richard Guenther <rguenther@suse.de>
11455 PR middle-end/26439
11456 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11457 like aggregate types.
11459 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11461 * configure.ac: Add --with{,out}-long-double-128 configure option.
11462 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11463 * configure: Rebuilt.
11464 * config.in: Rebuilt.
11465 * doc/install.texi (Options specification): Document
11466 --with-long-double-128.
11468 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11469 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11470 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11471 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11473 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11475 * config/s390/s390.c (override_options): Handle
11476 TARGET_DEFAULT_LONG_DOUBLE_128.
11478 * config/alpha/alpha.c (override_options): Handle
11479 TARGET_DEFAULT_LONG_DOUBLE_128.
11481 * config/sparc/sparc.c (sparc_override_options): Handle
11482 TARGET_DEFAULT_LONG_DOUBLE_128.
11484 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11486 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11487 (real-install-headers-tar, real-install-headers-cpio)
11488 (real-install-headers-cp): New targets.
11490 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11492 * tree.h (variable_section): Delete.
11493 * varasm.c (variable_section): Delete.
11495 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11497 * install.texi: Add notes on install.texi2html.
11498 (Building in parallel): Do not use footnotes.
11500 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11503 * doc/install.texi (Configuration): Document --disable-libgomp.
11505 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11507 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11509 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11511 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11512 (vec_extractv2df_0_sse): New.
11514 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11516 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11517 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11518 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11519 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11520 to the result of the expression.
11521 (def_cfa_1): Adjust.
11522 (frame_pointer_cfa_offset): Rename to...
11523 (frame_pointer_fb_offset): ... this. Adjust all uses.
11524 (convert_cfa_to_loc_list): Rename to...
11525 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11526 Pass it on to build_cfa_loc.
11527 (compute_frame_pointer_to_cfa_displacement): Rename to...
11528 (compute_frame_pointer_to_fb_displacement): ... this. New
11529 offset parameter. Use it in computation.
11530 (gen_subprogram_die): Compute cfa_fb_offset with the new
11531 macro, and use it to compute the fb loc list and the
11534 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11536 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11537 replaced with register_operand.
11538 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11539 non-DREG is expensive.
11540 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11541 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11544 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11546 * doc/install.texi2html: Use set -e.
11548 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11550 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11551 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11552 * doc/invoke.texi (-fshared-data): Delete.
11553 * common.opt (fshared-data): Delete.
11554 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11555 (assemble_static_space): Remove #if 0 code.
11556 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11557 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11558 * config/cris/cris.h: Remove FIXME.
11560 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11562 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11565 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11567 PR middle-end/26379
11568 * combine.c (simplify_shift_const_1): Disable nested shifts
11569 optimization for vector shifts.
11571 2006-02-20 Roger Sayle <roger@eyesopen.com>
11573 PR tree-optimization/26361
11574 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11575 of unsigned integer types.
11577 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11579 * tree-chrec.c (eq_evolutions_p): New.
11580 * tree-chrec.h (eq_evolutions_p): Declared.
11581 * tree-data-ref.c: Fix formatting.
11582 (datadep_stats, dependence_stats): New.
11584 (print_direction_vector): New.
11585 (dump_data_dependence_relation): Use print_direction_vector.
11586 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11587 (compute_subscript_distance): Static.
11588 (initialize_data_dependence_relation): Static. Get the number
11589 of loops surrounding the references from the callers, and initialize
11590 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11591 base_object_differ_p analyzers.
11592 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11593 compute_overlap_steps_for_affine_1_2,
11594 analyze_subscript_affine_affine): Count the classified dependences.
11595 Print a message when a test failed.
11596 (can_use_analyze_subscript_affine_affine): New.
11597 (analyze_siv_subscript): Compute the data dependences on symbolic
11598 scevs that verify can_use_analyze_subscript_affine_affine.
11599 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11600 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11601 Handle symbolic scevs.
11602 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11604 (subscript_dependence_tester): Moved...
11605 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11606 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11607 DDR_SIZE_VECT instead of getting it in parameter.
11608 (subscript_dependence_tester): ... here. Take as a parameter
11609 loop_nest_depth. Call build_classic_dist_vector and
11610 build_classic_dir_vector.
11611 (compute_affine_dependence): Update subscript_dependence_tester
11612 parameters. Update datadep_stats counters. Call
11613 compute_subscript_distance.
11614 (compute_self_dependence): Save the dist and dir vectors. Call
11615 compute_subscript_distance.
11616 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11617 (compute_all_dependences): Reorder parameters as they were before
11618 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11619 compute_subscript_distance. Update the use of
11620 compute_affine_dependence and initialize_data_dependence_relation.
11621 (find_data_references_in_loop): Handle COMPONENT_REF.
11622 (compute_data_dependences_for_loop): Initialize dependence_stats.
11623 Don't call build_classic_dist_vector and build_classic_dir_vector.
11624 Update the parameters of initialize_data_dependence_relation and
11625 compute_all_dependences. Print the statistics from datadep_stats.
11626 (analyze_all_data_dependences): Static. Not used until the pass for
11627 checking the data dependences is contributed.
11628 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11629 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11630 (initialize_data_dependence_relation, compute_affine_dependence,
11631 analyze_all_data_dependences, compute_subscript_distance): Removed.
11632 (print_direction_vector): New.
11633 * lambda.h (gcd): ... here.
11634 (lambda_vector_gcd): Moved here from gcd_vector.
11635 * lambda-code.c (gcd, gcd_vector): Removed.
11636 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11637 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11639 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11641 * ipa-type-escape.c: Tidy some comments and white space.
11642 * tree-ssa-operands.c: Likewise.
11644 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11647 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11648 (dump_decl_name): Do not walk the decl tree chains.
11649 * tree-pass.h (TDF_CHAIN): Remove.
11651 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11653 * Makefile.in (C): Remove
11655 (.PHONY): Remove C and PROTO
11657 2006-02-20 Roger Sayle <roger@eyesopen.com>
11659 PR middle-end/26236
11660 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11661 deprecated CHAR_TYPE tree code.
11663 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11665 * configure.ac (target_list): Add install-info, dvi, html.
11666 * configure: Regenerate.
11668 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11669 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11670 treelang/Make-lang.in: Do not use double-colon rules.
11672 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11674 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11675 (TMT_USED_ALONE): New macro.
11676 * tree-pass.h (PROP_tmt_usage): New property.
11677 (TODO_update_tmt_usage): New todo.
11678 * tree-ssa-alias.c (updating_used_alone): New variable.
11679 (recalculate_used_alone): New function.
11680 (compute_may_aliases): Set updating_used_alone, call
11681 recalculate_used_alone.
11682 * tree-sra.c (pass_sra): Note that this pass destroys
11683 PROP_tmt_usage, and add TODO_update_tmt_usage.
11684 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11685 * tree-flow.h (updating_used_alone): Prototype.
11686 (recalculate_used_alone): Ditto.
11687 * passes.c (execute_todo): Add code to set updating_used_alone,
11688 and call recalculate.
11689 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11690 for clobber if used alone, and add assert to verify used_alone
11693 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11695 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11696 for non tls symbols added.
11697 (legitimize_address): Do nothing for PLUS expressions if one of the
11698 addends is a tls symbol reference.
11700 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11704 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11706 * Makefile.in (BOOTSTRAPPING): New.
11707 (quickstrap): New definition if BOOTSTRAPPING=yes.
11709 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11710 * configure.ac: Substitute all_selected_languages with the languages
11711 that were configured. For all the other variables except
11712 lang_specs_files, include all the languages in the tree.
11713 * configure: Regenerate.
11715 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11716 if there is one. Run the commands to run fixincludes in the same
11719 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11720 * doc/install.texi: Document exact conventions for searching target tools.
11721 Document --with-build-time-tools. Document toplevel bootstrap. Document
11722 something more about building an Ada cross-compiler. Don't list GNU Make
11723 requirements which affect all platforms.
11725 2006-02-19 Roger Sayle <roger@eyesopen.com>
11727 PR middle-end/19543
11728 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11729 only equivalent if the have both the same mode and precision.
11731 2006-02-20 Ben Elliston <bje@au.ibm.com>
11733 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11735 2006-02-19 Roger Sayle <roger@eyesopen.com>
11736 Steven Bosscher <stevenb.gcc@gmail.com>
11738 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11739 constant pool references to identify stack mode constants.
11740 * rtlanal.c (constant_pool_constant_p): New predicate to check
11741 whether operand is a floating point constant in the pool.
11742 * rtl.h (constant_pool_constant_p): Prototype here.
11743 * loop.c (scan_loop): Avoid hoisting constants from the constant
11744 pool on STACK_REGS targets.
11745 (load_mems): Likewise.
11746 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11747 loads into x87 registers expensive in terms of register pressure.
11749 2006-02-19 Roger Sayle <roger@eyesopen.com>
11751 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11752 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11754 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11756 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11757 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11759 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11761 * doc/invoke.texi: Document -fipa-pta.
11762 * common.opt: Add ipa-pta option.
11763 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11764 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11765 (do_ds_constraint): Ditto.
11766 (get_constraint_for): Only add to referenced_vars if
11767 referenced_vars exists.
11768 (insert_into_field_list): Rewrite to do this unsorted.
11769 (insert_into_field_list_sorted): Rename old insert_into_field_list
11771 (create_function_info_for): Use insert_into_field_list_sorted.
11772 (create_variable_info_for): Rewrite so it uses unsorted version,
11773 since the field list is sorted.
11774 (intra_create_variable_infos): Only add to referenced_vars if
11775 referenced_vars exists.
11776 (ipa_pta_execute): Init heapvars, and delete when done.
11777 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11779 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11781 * doc/install.texi: Add missing `@samp'.
11783 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11785 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11788 2006-02-18 Mark Wielaard <mark@klomp.org>
11790 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11791 who added new 4.1 features, bug fixes and integration support.
11793 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11796 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11797 MEM for ABI_V4 pic.
11799 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11801 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11802 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11803 (copy_insn_1): Likewise. Don't copy each field individually.
11805 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11807 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11808 * rtl.c (rtx_size): Rename variable to...
11809 (rtx_code_size): ...this.
11810 (rtx_size): New function.
11811 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11812 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11814 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11815 * rtl.h (rtx_code_size): New variable.
11816 (rtx_size): Change from a variable to a function.
11817 (RTX_SIZE): Rename to...
11818 (RTX_CODE_SIZE): ...this.
11821 PR tree-optimization/17106
11822 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11823 (Anchored Addresses): New section.
11824 * doc/invoke.texi (-fsection-anchors): Document.
11825 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11826 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11827 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11828 * hooks.c (hook_bool_mode_rtx_false): New function.
11829 * hooks.h (hook_bool_mode_rtx_false): Declare.
11830 * gengtype.c (create_optional_field): New function.
11831 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11832 SYMBOL_REF_IN_BLOCK_P is true.
11833 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11834 (min_anchor_offset, max_anchor_offset): Likewise.
11835 (use_anchors_for_symbol_p): New hook.
11836 * toplev.c (compile_file): Call output_object_blocks.
11837 (target_supports_section_anchors_p): New function.
11838 (process_options): Check that -fsection-anchors is only used on
11839 targets that support it and when -funit-at-a-time is in effect.
11840 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11841 if the decl doesn't have one.
11842 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11843 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11844 of force_const_mem through use_anchored_address.
11845 (expand_expr_constant): New function.
11846 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11847 calling expand_expr for INDIRECT_REF.
11848 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11849 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11850 * expr.h (use_anchored_address): Declare.
11851 * loop-unroll.c: Don't declare rtx vectors here.
11852 * explow.c: Include output.h.
11853 (validize_mem): Call use_anchored_address.
11854 (use_anchored_address): New function.
11855 * common.opt (-fsection-anchors): New switch.
11856 * varasm.c (object_block_htab, anchor_labelno): New variables.
11857 (hash_section, object_block_entry_eq, object_block_entry_hash)
11858 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11859 (use_blocks_for_decl_p, change_symbol_section): New functions.
11860 (get_variable_section): New function, split out from assemble_variable.
11861 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11862 use_blocks_for_decl_p say so. Use change_symbol_section if the
11863 symbol has already been created.
11864 (assemble_variable_contents): New function, split out from...
11865 (assemble_variable): ...here. Don't output any code for
11866 block symbols; just pass them to place_block_symbol.
11867 Use get_variable_section and assemble_variable_contents.
11868 (get_constant_alignment, get_constant_section, get_constant_size): New
11869 functions, split from output_constant_def_contents.
11870 (build_constant_desc): Create a block symbol if use_object_blocks_p
11871 says so. Or into SYMBOL_REF_FLAGS.
11872 (assemble_constant_contents): New function, split from...
11873 (output_constant_def_contents): ...here. Don't output any code
11874 for block symbols; just pass them to place_section_symbol.
11875 Use get_constant_section and get_constant_alignment.
11876 (force_const_mem): Create a block symbol if use_object_blocks_p and
11877 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11878 (output_constant_pool_1): Add an explicit alignment argument.
11879 Don't switch sections here.
11880 (output_constant_pool): Adjust call to output_constant_pool_1.
11881 Switch sections here instead. Don't output anything for block symbols;
11882 just pass them to place_block_symbol.
11883 (init_varasm_once): Initialize object_block_htab.
11884 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11885 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11886 (place_block_symbol, get_section_anchor, output_object_block)
11887 (output_object_block_htab, output_object_blocks): New functions.
11888 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11889 (TARGET_ASM_OUT): Include it.
11890 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11891 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11892 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11893 (TARGET_INITIALIZER): Include them.
11894 * rtl.c (rtl_check_failed_block_symbol): New function.
11895 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11896 (block_symbol, object_block): New structures.
11897 (rtx_def): Add a block_symbol field to the union.
11898 (BLOCK_SYMBOL_CHECK): New macro.
11899 (rtl_check_failed_block_symbol): Declare.
11900 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11901 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11902 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11903 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11904 * output.h (output_section_symbols): Declare.
11905 (object_block): Name structure.
11906 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11907 (default_use_anchors_for_symbol_p): Declare.
11908 * Makefile.in (RTL_BASE_H): Add vec.h.
11909 (explow.o): Depend on output.h.
11910 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11911 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11912 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11913 (rs6000_use_blocks_for_constant_p): New function.
11915 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11917 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11919 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11922 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11925 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11927 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11931 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11933 PR middle-end/26334
11934 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11935 instead of DECL_REGISTER.
11937 2006-02-18 Olivier Hainque <hainque@adacore.com>
11940 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11942 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11945 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11946 * opth-gen.awk: Handle Var and InverseMask together.
11947 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11948 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11949 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11950 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11952 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11953 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11954 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11955 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11956 LINUX_DYNAMIC_LINKER): Define.
11957 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11958 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11960 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11961 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11962 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11964 (TARGET_C99_FUNCTIONS): Don't define.
11965 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11966 GLIBC_DYNAMIC_LINKER.
11967 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11968 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11969 GLIBC_DYNAMIC_LINKER64): Define.
11970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11971 LINUX_DYNAMIC_LINKER64.
11972 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11973 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11974 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11976 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11977 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11978 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11979 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11980 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11982 and LINUX_DYNAMIC_LINKER32.
11983 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11984 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11985 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11987 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11989 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11990 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11991 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11992 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11993 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11994 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11995 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11996 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11997 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11998 LINUX_DYNAMIC_LINKER): Define.
11999 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12000 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12001 GLIBC_DYNAMIC_LINKER64): Define.
12002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12003 LINUX_DYNAMIC_LINKER64.
12004 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12005 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12006 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12007 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12008 LINUX_DYNAMIC_LINKER): Define.
12009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12010 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12011 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12012 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12013 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12014 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12015 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12016 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12017 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12018 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12019 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12020 * doc/invoke.texi (-muclibc): Remove caveat about supported
12023 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12025 * doc/cpp.texi (__TIMESTAMP__): Document.
12027 2006-02-17 Roger Sayle <roger@eyesopen.com>
12029 PR middle-end/25600
12030 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12031 C is one less than the width of X (and related transformations).
12032 * simplify-rtx.c (simplify_unary_operation_1): Transform
12033 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12034 depending on STORE_FLAG_VALUE, were C is one less then the
12037 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12039 Fix PR tree-optimization/26341
12040 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12041 about NAME_MEMORY_TAG's.
12043 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12046 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12047 with hardware float support, and software float support. Add fcpy
12048 alternative to hardware patterns. Add alternatives to copy between
12049 general and floating-point registers to the 32-bit pattern.
12050 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12051 secondary reload to load a QI or HI mode constant into a floating
12053 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12054 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12056 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12059 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12061 (load_macho_picbase_di): Likewise.
12063 2006-02-16 Jeff Law <law@redhat.com>
12065 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12066 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12067 (ssa_name_nonzero_p): Likewise.
12068 (get_value_range): Return NULL if VRP is not running.
12069 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12070 VRP routines do not discover a range.
12071 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12072 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12073 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12074 (tree_expr_nonnegative_p): Similarly.
12075 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12076 (restore_nonzero_vars_to_original_value): Remove.
12077 (unsafe_associative_fp_binop): Remove.
12078 (tree_ssa_dominator_optimize): Remove initialization and
12079 finalization of nonzero_vars and nonzero_vars_stack.
12080 (dom_opt_initialize_block): No longer push marker on
12081 nonzero_vars_stack.
12082 (dom_opt_finalize_block): No longer call
12083 restore_nonzero_vars_to_original_value.
12084 (record_equivalences_from_phis): No longer look for
12085 nonzero PHI arguments.
12086 (cprop_into_successor_phis): No longer propagate nonzero
12087 property into PHI arguments. Lose unused argument. Caller
12089 (record_equivalences_from_stmt): No longer record nonzero
12090 values for SSA_NAMEs.
12091 (lookup_avail_expr): No longer use nonzero_vars.
12093 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12094 for sizetype when sizetype is unsigned.
12096 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12098 PR rtl-optimization/25603
12099 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12100 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12101 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12102 with new meaning of SETS.
12104 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12109 * config/linux.opt: New file.
12110 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12111 LINUX_DYNAMIC_LINKER): Define.
12112 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12113 * config.gcc (*-*-linux*): Define extra_options.
12114 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12115 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12116 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12117 GLIBC_DYNAMIC_LINKER.
12118 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12119 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12120 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12121 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12122 * doc/invoke.texi (GNU/Linux Options): New section.
12124 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12126 * config/sparc/sparc.md (setjmp): Rewrite.
12127 (setjmp_32): Delete.
12128 (setjmp_64): Likewise.
12130 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12132 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12135 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12137 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12140 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12142 PR rtl-optimization/26296
12143 * Makefile.in (loop-invariant.c): Add except.h dependency.
12144 * loop-invariant.c: Include except.h.
12145 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12147 2005-02-16 Paul Brook <paul@codesourcery.com>
12149 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12152 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12154 PR rtl-optimization/25636
12155 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12156 when deciding whether an insn is an initializing insn.
12158 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12160 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12161 (tree_code_size): Ditto.
12162 * tree.h (struct tree_memory_tag): Remove parent_var.
12163 (struct tree_struct_field_tag): New.
12166 (union tree_node): Add sft member.
12167 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12169 (create_sft): Add size and offset argument, set SFT_OFFSET and
12171 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12172 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12173 * tree-flow-inline.h (get_subvar_at): Update for
12174 SFT_OFFSET/SFT_SIZE.
12175 (var_can_have_subvars): Ditto.
12176 (overlap_subvar): Ditto.
12177 * print-tree.c (print_node): Print out interesting things for
12179 * tree-flow.h (struct subvar): Remove offset and size members.
12180 * tree-ssa-operands.c (get_expr_operands): Update for
12181 get_indirect_ref_operands changes.
12182 (get_indirect_ref_operands): Call add_virtual_operand instead of
12183 add_stmt_operand. Only recurse on base var if requested.
12184 (access_can_touch_variable): New function.
12185 (add_stmt_operand): Split virtual operand handling into ...
12186 (add_virtual_operand): Here. Add offset, size, and for_clobber
12187 arguments. Prune alias sets.
12188 (add_call_clobber_ops): Call add_virtual_operand.
12190 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12192 PR middle-end/26300
12193 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12195 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12196 than TREE_CODE as index into omp_clause_num_ops array.
12198 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12200 PR rtl-optimization/26184
12201 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12203 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12204 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12205 must_precede, must_follow and tobe_scheduled.
12208 * opts.c (common_handle_option): Free new_option pointer.
12209 * df-core.c (df_analyze): Free postorder pointer.
12211 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12213 * Makefile.in: Fix the examples about the use of stamps
12215 2006-02-15 Michael Matz <matz@suse.de>
12217 PR middle-end/22275
12219 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12220 influenced by maximum_field_alignment or DECL_PACKED.
12221 (update_alignment_for_field): Ditto.
12222 (place_field): Ditto.
12223 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12226 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12228 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12229 (debug_flow_info): Pass it.
12230 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12231 * bb-reorder.c (reorder_basic_blocks): Likewise.
12232 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12233 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12234 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12235 * gcse.c (gcse_main, bypass_jumps): Likewise.
12236 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12237 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12238 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12239 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12240 * rtl.h (dump_flow_info): Adjust prototype.
12241 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12242 * var-tracking.c (variable_tracking_main): Likewise.
12243 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12244 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12247 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12249 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12252 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12254 PR tree-optimization/26209
12255 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12256 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12258 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12260 2006-02-14 Roger Sayle <roger@eyesopen.com>
12262 PR middle-end/23670
12263 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12264 (X,Y) and the corresponding symmetry related transformations.
12265 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12266 (X,Y) and its symmetry related transformations.
12268 2006-02-14 Roger Sayle <roger@eyesopen.com>
12270 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12273 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12275 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12277 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12280 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12281 support COMDAT group.
12282 * configure: Regenerate.
12284 2006-02-14 Roger Sayle <roger@eyesopen.com>
12286 PR middle-end/26279
12287 PR middle-end/26280
12288 PR middle-end/26283
12289 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12291 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12293 Fix PR tree-optimization/26260
12295 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12297 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12298 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12299 * tree-ssa-structalias.c (create_variable_info_for): Use
12300 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12302 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12304 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12306 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12307 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12308 of the ending condition.
12309 * tree-ssa-loop-manip.c: Include params.h.
12310 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12311 tree_unroll_loop): New functions.
12312 * tree-pass.h (pass_loop_prefetch): Declare.
12313 * loop.c (rest_of_handle_loop_optimize): Test for
12314 -fprefetch-loop-arrays-rtl.
12315 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12316 * timevar.def (TV_TREE_PREFETCH): New timevar.
12317 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12318 pass_loop_prefetch): New.
12319 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12320 (cleanup_tree_cfg_loop): Call scev_reset.
12321 * common.opt (fprefetch-loop-arrays-rtl): Add.
12322 * tree-ssa-loop-prefetch.c: New file.
12323 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12324 (new_temp_expr_table): Initialize expr_vars.
12325 (free_temp_expr_table): Cleanup expr_vars.
12326 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12327 expressions from being merged into one.
12328 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12329 (struct tree_niter_desc): Add control, bound and cmp fields.
12330 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12332 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12333 (tree-cfgcleanup.o): Add SCEV_H dependency.
12334 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12335 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12337 2006-02-14 Richard Guenther <rguenther@suse.de>
12339 PR tree-optimization/26258
12340 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12341 in PHI argument processing.
12343 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12345 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12346 new expression in the requested machine mode.
12348 2006-02-13 Roger Sayle <roger@eyesopen.com>
12350 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12351 directly, instead let do_compare_rtx_and_jump handle this for us.
12352 * expr.c (expand_expr_real_1): Likewise.
12353 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12354 before do_jump_by_parts_greater.
12355 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12356 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12358 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12360 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12362 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12364 PR rtl-optimization/26235
12365 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12366 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12369 2006-02-13 Jeff Law <law@redhat.com>
12371 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12374 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12376 PR middle-end/26092
12377 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12378 twice if decl is a builtin. When trying again, call get_callee_fndecl
12379 first to verify it is still a builtin.
12381 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12383 * dwarf2out.c (base_type_die): Don't add AT_name here.
12384 (subrange_type_die): Don't add AT_name here.
12385 (modified_type_die): Rearrange code flow. Do add AT_name here.
12387 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12389 PR rtl-optimization/26247
12390 PR rtl-optimization/26248
12391 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12393 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12395 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12396 * config/fixtfdi.c: Likewise.
12397 * config/fixunstfdi.c: Likewise.
12398 * config/floatditf.c: Likewise.
12400 2006-02-13 Roger Sayle <roger@eyesopen.com>
12402 PR middle-end/24427
12403 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12404 into (X,C2) if C1 is a subset of the bits of C2. Transform
12405 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12407 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12409 2006-02-13 Josh Conner <jconner@apple.com>
12412 * varasm.c (function_section): Check for section name before
12413 calling select_section on targets that define
12414 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12415 unlikely_text_section instead of hot_function_section if
12416 first_function_block_is_cold.
12418 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12420 PR middle-end/25335
12421 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12423 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12425 PR rtl-optimization/26222
12426 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12427 after tree->rtl expansion.
12428 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12429 before passing it to emit_move_insn.
12431 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12433 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12435 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12436 Clarify documentation.
12437 * c-common.h (warn_write_strings): Remove.
12438 * c-common.c (warn_write_strings): Likewise.
12439 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12442 2006-02-12 Roger Sayle <roger@eyesopen.com>
12444 PR middle-end/25724
12445 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12446 (do_jump_parts_zero_rtx): New function renamed from
12447 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12448 (do_jump_parts_equality_rtx): New function split out from
12449 do_jump_parts_equality. Old implementation renamed as above.
12450 Call do_jump_parts_zero_rtx if either operand is zero.
12451 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12452 do all of the heavy lifting.
12453 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12454 calling either do_jump_by_parts_greater_rtx or
12455 do_jump_by_parts_equality_rtx.
12456 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12457 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12458 moved to do_compare_rtx_and_jump, call it directly.
12459 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12460 mode argument. Call do_compare_rtx_and_jump.
12461 (emit_case_nodes): Update calls to do_jump_if_equal.
12463 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12465 PR rtl-optimization/26225
12466 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12468 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12470 PR rtl-optimization/26232
12471 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12473 2006-02-11 Jason Merrill <jason@redhat.com>
12476 * tree-inline.c (declare_return_variable): Just don't use the
12477 modify target if it's a gimple complex reg and the return slot
12480 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12482 * doc/contrib.texi: Update my entry.
12484 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12486 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12488 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12490 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12493 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12495 * doc/invoke.texi (-floop-optimize2): Removed.
12496 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12497 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12498 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12499 * common.opt (floop-optimize2): Removed.
12500 (fmove-loop-invariants): Enabled by default.
12502 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12504 * tree-if-conv.c (combine_blocks): Free the result of
12505 get_loop_exit_edges.
12507 2006-02-10 Jeff Law <law@redhat.com>
12509 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12511 PR tree-optimization/26213
12512 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12513 loop trying to follow SSA_NAME_VALUE chains.
12515 2006-02-10 Richard Guenther <rguenther@suse.de>
12517 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12518 deal with structures that end in implicitly variable sized arrays.
12520 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12522 PR rtl-optimization/24762
12523 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12526 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12528 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12529 (struct ivopts_data): Add regs_used field.
12530 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12531 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12532 instead of loop_data->regs_used;
12533 (free_loop_data): Do not free aux fields for loops.
12534 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12535 and tree_ssa_iv_optimize_finalize.
12537 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12539 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12541 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12544 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12545 computing the effective result type.
12547 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12549 PR inline-asm/16194
12550 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12551 (tree_overlaps_hard_reg_set): Declare.
12552 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12553 type and signature to match function type expected by walk_tree.
12554 (tree_overlaps_hard_reg_set): New function.
12555 (decl_conflicts_with_clobbers_p): Rename to:
12556 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12557 Use tree_overlaps_hard_reg_set. Changed caller.
12558 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12559 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12560 * cris.c (cris_md_asm_clobbers): Likewise.
12562 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12564 * reload1.c (emit_input_reload_insns): Delete code that tries to
12565 inherit using find_equiv_reg.
12567 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12569 * c-common.h (flag_const_strings): Don't declare.
12570 * c-common.c (flag_const_strings): Remove.
12571 * c.opt (fconst_strings): Remove.
12572 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12573 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12574 (c_common_init_options): Don't set flag_const_strings.
12575 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12577 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12579 * arm.md (tlobits_cbranch): New pattern.
12580 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12581 testing a single bit.
12583 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12586 * tree-ssa-pre.c (create_component_ref_by_pieces):
12587 Handle RETURN_DECL like VAR_DECL.
12589 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12591 PR middle-end/26134
12592 * fold-const.c (fold_indirect_ref_1): Fold
12593 "*(foo *)&complexfoo" to "__real__ complexfoo"
12594 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12596 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12598 * tree-flow-inline.h (var_can_have_subvars):
12599 Volatile variables should not have subvariables.
12601 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12604 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12605 multiplying unsigned values.
12608 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12610 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12612 2006-02-08 Jason Merrill <jason@redhat.com>
12615 * tree.def: Elaborate on difference from MODIFY_EXPR.
12616 * doc/c-tree.texi (INIT_EXPR): Likewise.
12617 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12618 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12619 (gimplify_target_expr): Likewise.
12620 (gimplify_cond_expr): Remove target handling.
12621 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12622 (gimplify_expr): Clobber it here.
12623 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12624 Do return slot optimization if we have an INIT_EXPR.
12627 * tree-inline.c (declare_return_variable): Also clear
12628 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12631 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12633 PR middle-end/22439
12634 * gimplify.c (gimplify_one_sizepos): Fix typo.
12636 2006-02-08 Jeff Law <law@redhat.com>
12638 PR tree-optimization/21417
12639 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12640 across a backedge if the control statement at the end of the
12641 block is data dependent on other statements in the same block.
12642 (record_temporary_equivalences_from_stmts): Remove over-conservative
12643 test for threading across backedges.
12645 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12646 control statement, handle all three special cases in the same
12647 manner as they all have the same desired solution. No longer
12648 special case edge flag updating when the post dominator is
12651 2006-02-08 Roger Sayle <roger@eyesopen.com>
12653 * tree.def (CHAR_TYPE): Remove.
12654 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12655 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12656 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12657 (gen_string_type_die): Delete unreachable function.
12659 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12660 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12661 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12662 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12663 * builtins.c (type_to_class): Likewise.
12664 * fold-const.c (fold_convert, build_range_check,
12665 merge_ranges): Likewise.
12666 * expr.c (count_type_elements): Likewise.
12667 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12668 * stor-layout.c (layout_type): Likewise.
12669 * ipa-type-escape.c (type_to_consider): Likewise.
12670 * gimplify.c (omp_firstprivatize_type_sizes,
12671 gimplify_type_sizes): Likewise.
12672 * explow.c (promote_mode): Likewise.
12673 * tree-sra.c (is_sra_scalar_type): Likewise.
12674 * varasm.c (output_constant): Likewise.
12675 * tree-inline.c (remap_type_1): Likewise.
12676 * convert.c (convert_to_pointer, convert_to_real,
12677 convert_to_integer, convert_to_complex): Likewise.
12679 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12681 * df-scan.c (df_def_record_1): A set destination may
12682 be a parallel regardless of mode.
12684 2006-02-08 Roger Sayle <roger@eyesopen.com>
12687 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12688 * config/mips/_tilib.c: Remove.
12689 * config/fixtfdi.c: New libgcc source file.
12690 * config/fixunstfdi.c: New source file.
12691 * config/floatditf.c: New source file.
12692 * config/floatunditf.c: New souce file.
12693 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12694 files above instead of config/mips/_tilib.c.
12695 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12697 2006-02-08 Jeff Law <law@redhat.com>
12699 PR tree-optimization/26169
12700 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12703 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12705 * df.h (DF_REG_SIZE): Return the length of the initialized
12708 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12710 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12711 __muldf3): Return a correctly signed zero.
12713 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12715 * passes.c (register_one_dump_file): Accept the current properties
12716 instead of pass number. Adjust call to dump_register. Remove
12718 (register_dump_files): Now a wrapper around...
12719 (register_dump_files_1): ... this one. Do not modify the pass
12721 (next_pass_1): Cosmetic fix.
12722 (execute_todo): Keep second parameter only. Use curr_properties
12723 instead of fetching it from the pass structure. Check and set
12725 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12726 instead of fetching it from the pass structure. Fix calls to
12727 execute_todo. Update curr_properties and initialize .vcg RTL dump
12728 after running the pass. Reset last_verified.
12729 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12731 (FIRST_AUTO_NUMBERED_DUMP): New.
12732 (dump_register): Remove "num" parameter, assign it within the
12734 (get_dump_file_name): Modify template for dumps.
12735 * tree-dump.h (dump_register): Adjust prototype.
12736 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12737 (PROP_trees): Add PROP_gimple_lomp.
12738 (TODO_set_props): New.
12739 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12740 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12741 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12743 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12745 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12746 (sparc64-*-linux*): Likewise.
12747 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12748 * config/sparc/t-linux: New file.
12749 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12750 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12751 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12752 -m32 -mlong-double-128.
12754 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12755 * config/alpha/t-linux: New file.
12756 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12758 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12759 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12760 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12761 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12762 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12763 (CPP_ARCH32_SPEC): Remove.
12765 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12767 PR tree-optimization/26145
12768 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12771 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12774 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12775 >= 240000 when generating code for SOM runtime.
12776 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12777 to $$dyncall when generating code for SOM runtime..
12779 2006-02-07 Dirk Mueller <dmueller@suse.com>
12782 * doc/invoke.texi (-Wsequence-point): Update documentation
12783 that -Wsequence-point is implemented for C++ as well.
12785 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12787 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12788 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12789 (LIB_SPEC): Likewise.
12790 * doc/invoke.texi (SPARC options): Document -pthread.
12792 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12794 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12797 2006-02-07 Roger Sayle <roger@eyesopen.com>
12799 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12800 Correct comment describing BOOLEAN_TYPE.
12802 2006-02-07 Dirk Mueller <dmueller@suse.com>
12804 * c.opt: C++ frontend supports -Wdiv-by-zero.
12805 * c-opts.c (c_common_handle_option): Remove dead case.
12807 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12809 * configure.ac (TLS assembler check): Do not enable TLS by
12810 default on SPARC/Solaris before version 10.
12811 * configure: Regenerate.
12813 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12815 * doc/invoke.texi (xl-compat): Document conversion and support
12818 2006-02-07 Jeff Law <law@redhat.com>
12820 * tree-vrp.c (find_conditional_asserts): Update comments.
12821 (simplify_stmt_for_jump_threading): New.
12822 (identify_jump_threads, finalize_jump_threads): New.
12823 (vrp_finalize): Call identify_jump_threads.
12824 (execute_vrp): Call finalize_jump_threads.
12825 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12826 (vrp_element, vrp_data, vrp_element_p): Remove.
12827 (vrp_hash_elt, vrp_variables_stack): Remove.
12828 (vrp_hash, vrp_eq, record_range): Remove.
12829 (simplify_cond_and_lookup_avail_expr): Remove.
12830 (extract_range_from_cond): Remove.
12831 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12832 (simplify_stmt_for_jump_threading): New.
12833 (dom_thread_across_edge): New wrapper.
12834 (tree_ssa_dominator_optimize): No longer initialize or
12835 finalize any of the VRP datastructures. Remove iteration
12836 step and simplify as a result of removal of iteration step.
12837 (pass_dominator): Perform a cfg cleanup after DOM.
12838 (dom_opt_finalize_block): Use the new common routines
12839 for threading jumps. Simplify stack management slightly.
12840 No longer need to unwind VRP state.
12841 (record_equivalences_from_incoming_edge): No longer record
12843 (eliminate_redundant_computations): No longer call
12844 simplify_cond_and_lookup_avail_expr.
12845 * tree-flow.h (potentially_threadable_block): Prototype.
12846 (thread_across_edge): Likewise.
12847 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12848 (tree-ssa-threadedge.o): Add dependencies.
12849 * tree-ssa-threadedge.c: New file.
12850 * passes.c (init_optimization_passes): Merge PHIs before
12851 calling VRP. Run VRP again late in the SSA optimization pipeline.
12853 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12855 * df-core.c (df_set_blocks): Do not dereference function pointers.
12856 (df_finish1): Likewise.
12857 (df_hybrid_search_forward): Likewise.
12858 (df_hybrid_search_backward): Likewise.
12859 (df_iterative_dataflow): Likewise.
12860 (df_analyze_problem): Likewise.
12861 (df_compact_blocks): Likewise.
12862 (df_dump): Likewise.
12863 * df-scan.c (df_rescan_blocks): Likewise.
12864 (df_record_entry_block_defs): Likewise.
12866 * genconditions.c (write_conditions): Guard the definition of
12867 'insn_conditions' with the check on GCC version.
12868 (write_writer): Guard the traversal 'insn_conditions' with
12869 the check on GCC version.
12871 2006-02-07 Richard Guenther <rguenther@suse.de>
12875 2006-01-30 Richard Guenther <rguenther@suse.de>
12877 * gimplify.c (gimplify_target_expr): Handle easy cases
12878 without creating a temporary.
12880 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12882 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12883 use of float in probability computations. Use edge probabilities
12884 in place of statically computed probabilities.
12885 (min_spec_prob): New static variable.
12886 (schedule_insns): Initialize it.
12887 (GET_SRC_PROB): Removed.
12888 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12890 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12893 * config/ia64/unwind-ia64.c: Revert last change.
12894 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12895 (INCOMING_FRAME_SP_OFFSET): Define.
12897 2006-02-06 Roger Sayle <roger@eyesopen.com>
12899 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12901 2006-02-07 Ben Elliston <bje@au.ibm.com>
12903 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12904 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12905 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12906 (ix86_return_in_memory): Handle TDmode.
12907 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12908 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12910 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12912 * reorg.c (dbr_schedule): Use dump_file instead of file.
12914 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12917 * config/ia64/predicates.md (extr_len_operand): New predicate.
12918 * config/ia64/ia64.md (extv): Tighten constraints.
12920 (*tbit_and_2): Ditto.
12921 (*tbit_and_3): Ditto.
12922 (*tbit_or_2): Ditto.
12923 (*tbit_or_3): Ditto.
12924 (*bit_zero): Ditto.
12927 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12930 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12932 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12934 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12935 loop_optimizer_init and loop_optimizer_finalize
12936 * tree-ssa-sink.c (execute_sink_code): Ditto.
12937 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12938 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12939 tree_ssa_loop_done): Ditto.
12940 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12941 * sched-ebb.c: Include output.h.
12942 (schedule_ebbs): Do not use dump argument.
12943 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12944 * loop.c (loop_dump_stream): Removed.
12945 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12947 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12948 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12949 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12950 loop_iterations, strength_reduce, record_biv, record_giv,
12951 final_giv_value, check_final_value, check_ext_dependent_givs,
12952 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12953 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12954 dump_file instead of loop_dump_stream.
12955 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12956 argument dump_file.
12957 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12959 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12960 * haifa-sched.c: Include output.h
12961 (schedule_insns, sched_init): Do not use dump argument.
12962 * mode-switching.c (optimize_mode_switching): Ditto.
12963 * modulo-sched.c (stats_file): Removed.
12964 (print_node_sched_params): Do not call argument dump_file.
12965 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12966 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12968 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12970 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12971 rtl_loop_init, rtl_loop_done): Ditto.
12972 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12973 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12975 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12976 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12977 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12978 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12979 * emit-rtl.c (renumber_insns): Ditto.
12980 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12981 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12982 * regclass.c (regclass): Ditto.
12983 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12984 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12985 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12986 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12988 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12989 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12991 * gcse.c (gcse_file, debug_stderr): Removed.
12992 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12993 rest_of_handle_gcse): Do not use dump argument.
12994 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12995 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12996 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12997 compute_code_hoist_vbeinout, compute_code_hoist_data,
12998 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12999 compute_store_table, build_store_vectors, insert_insn_start_bb,
13000 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13001 store_motion): Use dump_file instead of gcse_file.
13002 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13003 * profile.c (profile_dump_file): Removed.
13004 (branch_prob): Use dump_file instead of profile_dump_file.
13005 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13007 * tree-ssa-copy.c (dump_copy_of): Ditto.
13008 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13009 dump file to life_analysis.
13010 * bt-load.c (branch_target_load_optimize): Ditto.
13011 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13013 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13014 regclass, dbr_schedule): Declaration changed.
13015 * sched-int.h (sched_init): Declaration changed.
13016 * tree-profile.c (tree_profile_dump_file): Removed.
13017 (tree_profile_hooks): Removed profile_dump_file hook.
13018 * rtl-profile (rtl_profile_dump_file): Removed.
13019 (rtl_profile_hooks): emoved profile_dump_file hook.
13020 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13022 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13023 * tree-cfg.c (build_tree_cfg): Ditto.
13024 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13025 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13026 Declaration changed.
13027 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13028 life_analysis and schedule_insns.
13029 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13031 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13033 * config/mips/mips.c (mips_reorg): Ditto.
13034 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13037 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13039 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13040 (s390_mangle_fundamental_type): New.
13041 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13044 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13045 (alpha_mangle_fundamental_type): New.
13046 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13049 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13051 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13053 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13054 (sparc_mangle_fundamental_type): New.
13056 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13058 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13059 (s390x-*-linux*): Likewise.
13060 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13061 * config/s390/t-linux: New file.
13063 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13065 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13066 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13068 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13070 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13071 (ANTIC_SAFE_LOADS): New macro.
13072 (find_or_generate_expression): Add prototype.
13073 (set_contains_value): Allow null set for sake of not always having
13074 to allocate ANTIC_SAFE_LOADS.
13075 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13076 Allow COMPONENT_REF too.
13077 (valid_in_set): Allow COMPONENT_REF.
13078 Check ANTIC_SAFE_LOADS too.
13079 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13080 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13082 (can_PRE_operation): Add COMPONENT_REF.
13083 (create_component_ref_by_pieces): New function.
13084 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13085 (insert_aux): Move AGGREGATE_TYPE_P check here.
13086 (compute_avail): Set bb local stmt uids.
13087 (pass_pre): Use TODO_update_ssa_only_virtuals.
13089 2006-02-06 Ben Elliston <bje@au.ibm.com>
13091 * configure.ac: Unconditionally disable decimal float by default.
13092 * configure: Regenerate.
13094 2006-02-06 Ben Elliston <bje@au.ibm.com>
13096 * read-rtl.c (read_name): Terminate reading on EOF.
13098 2006-02-06 Ben Elliston <bje@au.ibm.com>
13100 * dfp.c (decimal_real_arithmetic): Change second argument type
13101 from int to enum tree_code. Do not always return true, but now
13102 return result of any call to decimal_do helper functions.
13103 * dfp.h (decimal_real_arithmetic): Update prototype.
13105 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13107 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13109 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13112 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13115 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13117 * tree-vrp.c (cfg_loops): Removed.
13118 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13119 Use current_loops instead of cfg_loops. Pass flags to
13120 loop_optimizer_init.
13121 * cfgloopmanip.c (fix_loop_structure): Update only available
13123 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13124 loop_optimizer_init.
13125 * modulo-sched.c (build_loops_structure): Removed.
13126 (sms_schedule): Use loop_optimizer_init.
13127 * loop-init.c (loop_optimizer_init): Use flags to determine
13128 which properties of loops to prepare.
13129 (rtl_loop_init): Pass flags to loop_optimizer_init.
13130 * tree-ssa-sink.c (execute_sink_code): Ditto.
13131 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13132 * tree-ssa-pre.c (init_pre): Ditto.
13133 * cfgloop.h (LOOPS_NORMAL): New.
13134 (loop_optimizer_init): Declaration changed.
13136 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13138 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13139 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13141 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13143 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13145 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13146 * pa/t-pa64: Delete quadlib.c rule.
13147 * pa/x-ada: Revert last change.
13148 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13150 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13152 PR rtl-optimization/26087
13153 * rtlanal.c (canonicalize_condition): Do not cross basic block
13156 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13159 * config/ia64/ia64.c: Include debug.h.
13160 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13161 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13162 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13163 (process_epilogue, process_set, process_for_unwind_directive):
13164 Output unwind info only if requested. Add CFA info if requested.
13165 Add new arguments as needed. Adjust callers.
13166 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13168 (DWARF2_FRAME_INFO): Define to zero.
13169 * config/ia64/unwind-ia64.c: Remove code that compensated for
13170 the CFA offset error fixed above.
13171 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13172 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13173 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13174 -funwind-tables and -fexceptions to enable frame info.
13175 (dwarf2out_frame_init): Define initial CFA even if
13176 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13177 DWARF2_UNWIND_INFO is nonzero, not just defined.
13178 (dwarf2out_frame_finish): Output non-EH call frame info only
13179 if DWARF2_FRAME_INFO is nonzero.
13180 (convert_cfa_to_loc_list,
13181 compute_frame_pointer_to_cfa_displacement): Define even if
13182 unwind info is not supported.
13183 (gen_subprogram_die): Use the above unconditionally. Remove
13184 legacy alternate code.
13185 * toplev.c (compile_file): Compile in call to
13186 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13187 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13189 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13190 Jakub Jelinek <jakub@redhat.com>
13192 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13193 IBM extended float format long double as "g" on powerpc*-linux.
13195 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13198 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13199 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13201 2006-02-03 Jason Merrill <jason@redhat.com>
13204 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13206 PR middle-end/25977
13207 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13208 on the return slot if it's an NRV.
13210 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13212 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13213 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13214 rewrite_use): Do not handle USE_OUTER.
13215 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13216 add_iv_outer_candidates, may_replace_final_value,
13217 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13218 (find_interesting_uses_op): Functionality of
13219 find_interesting_uses_outer_or_nonlin moved here.
13220 (find_interesting_uses_outside): Use find_interesting_uses_op.
13222 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13225 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13227 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13228 Ulrich Weigand <uweigand@de.ibm.com>
13231 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13232 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13233 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13234 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13236 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13237 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13238 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13239 Define secondary reloads for TFmode moves.
13240 (constant_modes): Add TFmode.
13241 (NR_C_MODES): Set to 8.
13242 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13244 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13245 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13246 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13247 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13248 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13249 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13250 (FPR mode macro): Add TFmode.
13251 (DSF mode macro): New.
13252 (<de>, <dee> mode attributes): Removed.
13253 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13254 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13255 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13256 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13257 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13258 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13259 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13260 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13261 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13262 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13263 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13264 "*negabs<mode>2", "sqrt<mode>2"):
13265 Changed <de> to <xde>. R constraint replaced by <Rf>.
13266 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13268 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13269 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13270 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13272 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13273 "extenddftf2", "extendsftf2"): New expanders.
13274 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13275 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13276 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13277 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13279 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13280 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13281 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13282 __floatditf): Add a GCC_4.1.0 symbol version tag.
13283 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13286 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13289 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13290 Use targetm.binds_local_p instead of TREE_PUBLIC.
13292 2006-02-02 Roger Sayle <roger@eyesopen.com>
13294 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13295 on INTEGER_TYPEs to indicate that it denotes a character type.
13296 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13297 signed_char_type_node, unsigned_char_type_node and char_type_node.
13298 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13299 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13300 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13302 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13303 Daniel Berlin <dberlin@dberlin.org>
13305 * tree-tailcall.c (arg_needs_copy_p): New function.
13306 (eliminate_tail_call): Use arg_needs_copy_p.
13307 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13308 (add_virtual_phis): New function.
13310 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13312 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13313 #ignore instead of #scratch for %g7 .register directive.
13315 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13317 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13320 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13322 * flow.c (calculate_global_regs_live): Assert that there aren't any
13325 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13327 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13328 what its name says.
13329 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13330 bsi_after_labels iterator.
13331 * tree-if-conv.c (find_phi_replacement_condition,
13332 replace_phi_with_cond_modify_expr): Likewise.
13333 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13334 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13336 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13338 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13340 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13343 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13344 array after growing it.
13346 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13348 PR middle-end/24901
13349 * fold-const.c (fold_checksum_tree): Change type of buf.
13351 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13353 * reload.c (push_secondary_reload): Initialize t_icode.
13355 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13357 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13358 -msoft-float -mlong-double-128 only issue a warning, but don't
13359 swich to DFmode long double.
13361 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13363 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13364 has a constant equivalent, iterate over equivalents for arg0,
13365 calling simplify_relational_operation and if there's a result
13366 cheaper than X, apply fold_rtx and return the result.
13368 2006-02-01 Jan Hubicka <jh@suse.cz>
13370 * opts.c (no_unit_at_a_time_default): New global variable.
13371 (decode_options): Use it.
13372 * opts.h (no_unit_at_a_time_default): Declare.
13374 2006-02-01 Paul Brook <paul@codesourcery.com>
13376 * function.c (assign_parm_setup_reg): Use function argument promotion
13378 * expr.c (expand_expr_real_1): Use function argument promotion rules
13381 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13383 * gcc.c (process_command): Change j to 'unsigned int'.
13385 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13387 PR middle-end/26001
13388 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13389 Use the corrected index for the character
13390 out of the string constant.
13392 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13394 * mode-switching.c (optimize_mode_switching): Fix size
13395 allocated for bb_info[n_entities].
13397 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13399 * gcc.c (main): Correct type that is allocated for
13400 explicit_link_files.
13402 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13404 * config/s390/s390.c (init_alignment_context): Set
13405 ALIAS_SET_MEMORY_BARRIER on the MEM.
13406 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13408 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13410 PR middle-end/25933
13411 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13413 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13416 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13418 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13419 * regrename.c: Ditto.
13420 * tree-ssa-loop-im.c: Ditto.
13421 * tree-dump.c: Ditto.
13422 * tree-complex.c: Ditto.
13423 * genrecog.c: Ditto.
13424 * tree-ssa-threadupdate.c: Ditto.
13426 * java/class.c: Ditto.
13427 * java/jcf-parse.c: Ditto.
13428 * java/resource.c: Ditto.
13429 * java/except.c: Ditto.
13430 * java/jvspec.c: Ditto.
13431 * java/jcf-write.c: Ditto.
13432 * java/jcf-path.c: Ditto.
13433 * java/gjavah.c: Ditto.
13434 * java/zextract.c: Ditto.
13435 * java/jcf-io.c: Ditto.
13436 * java/jcf.h: Ditto.
13437 * java/buffer.c: Ditto.
13438 * java/lang.c: Ditto.
13439 * java/parse-scan.y: Ditto.
13440 * java/lex.c: Ditto.
13441 * java/lex.h: Ditto.
13442 * cfgloopmanip.c: Ditto.
13443 * postreload-gcse.c: Ditto.
13444 * tree-ssa-loop-manip.c: Ditto.
13445 * postreload.c: Ditto.
13446 * tree-ssa-loop-ch.c: Ditto.
13449 * cppspec.c: Ditto.
13450 * diagnostic.c: Ditto.
13452 * genoutput.c: Ditto.
13454 * cfghooks.c: Ditto.
13455 * cfgloopanal.c: Ditto.
13456 * objc/objc-act.c: Ditto.
13458 * genextract.c: Ditto.
13459 * genautomata.c: Ditto.
13460 * pretty-print.c: Ditto.
13461 * genemit.c: Ditto.
13462 * cgraphunit.c: Ditto.
13464 * df-scan.c: Ditto.
13465 * haifa-sched.c: Ditto.
13466 * dominance.c: Ditto.
13468 * tree-ssa-loop-ivopts.c: Ditto.
13469 * df-core.c: Ditto.
13470 * mode-switching.c: Ditto.
13471 * modulo-sched.c: Ditto.
13473 * ipa-pure-const.c: Ditto.
13475 * fix-header.c: Ditto.
13477 * tree-stdarg.c: Ditto.
13478 * ipa-utils.c: Ditto.
13479 * loop-init.c: Ditto.
13480 * ipa-inline.c: Ditto.
13481 * cfganal.c: Ditto.
13483 * alloc-pool.c: Ditto.
13484 * dwarf2out.c: Ditto.
13486 * genattrtab.c: Ditto.
13487 * tree-ssa-loop-ivcanon.c: Ditto.
13488 * predict.c: Ditto.
13489 * timevar.c: Ditto.
13491 * fortran/gfortranspec.c: Ditto.
13492 * regmove.c: Ditto.
13493 * local-alloc.c: Ditto.
13494 * langhooks.c: Ditto.
13495 * function.c: Ditto.
13496 * tree-vectorizer.c: Ditto.
13498 * ipa-type-escape.c: Ditto.
13500 * tree-if-conv.c: Ditto.
13501 * profile.c: Ditto.
13503 * tree-data-ref.c: Ditto.
13504 * loop-unroll.c: Ditto.
13505 * treelang/treetree.c: Ditto.
13507 * bt-load.c: Ditto.
13508 * ggc-common.c: Ditto.
13510 * coverage.c: Ditto.
13512 * tree-cfgcleanup.c: Ditto.
13513 * tree-ssa-pre.c: Ditto.
13514 * cfgcleanup.c: Ditto.
13515 * loop-invariant.c: Ditto.
13516 * loop-iv.c: Ditto.
13517 * ipa-prop.c: Ditto.
13518 * print-tree.c: Ditto.
13519 * conflict.c: Ditto.
13520 * ggc-page.c: Ditto.
13521 * sched-deps.c: Ditto.
13522 * regclass.c: Ditto.
13523 * tree-object-size.c: Ditto.
13524 * combine.c: Ditto.
13525 * bb-reorder.c: Ditto.
13526 * resource.c: Ditto.
13527 * var-tracking.c: Ditto.
13528 * cfgloop.c: Ditto.
13529 * df-problems.c: Ditto.
13530 * reg-stack.c: Ditto.
13532 * gccspec.c: Ditto.
13533 * sched-rgn.c: Ditto.
13534 * tree-ssa-structalias.c: Ditto.
13535 * tree-ssa-reassoc.c: Ditto.
13536 * config/darwin-c.c: Ditto.
13537 * config/darwin.c: Ditto.
13538 * config/arm/arm.c: Ditto.
13540 * collect2.c: Ditto.
13541 * reload1.c: Ditto.
13543 2006-01-31 Nicolas Pitre <nico@cam.org>
13545 * arm.md (smaxsi3): Make aware of smax_m1.
13548 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13550 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13552 2006-01-31 Richard Guenther <rguenther@suse.de>
13554 * doc/invoke.texi (-msselibm): Document.
13555 * target.h (expand_library_builtin): New target hook.
13556 * builtins.c (expand_builtin): Use expand_library_builtin.
13557 (default_expand_library_builtin): New function.
13558 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13559 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13560 (link_gcc_math_spec): Declare.
13561 (static_specs): Add link_gcc_math_spec.
13562 * expr.h (default_expand_library_builtin): Declare.
13563 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13564 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13565 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13566 * config/i386/i386.opt (msselibm): New target option.
13567 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13568 (ix86_init_sse_abi_builtins): New function.
13569 (ix86_expand_library_builtin): Likewise.
13570 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13571 (override_options): Handle error conditions wrt -msselibm.
13572 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13573 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13574 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13577 2006-01-31 Richard Guenther <rguenther@suse.de>
13578 Paolo Bonzini <bonzini@gnu.org>
13580 * doc/install.texi (--disable-libgcc-math): Document.
13582 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13584 * expr.h (expand_normal): new inline function.
13585 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13586 * dojump.c: use it.
13587 * dwarf2out.c: use it.
13590 * expmed.c: use it.
13591 * except.c: use it.
13592 * config/sparc/sparc.c: use it.
13593 * config/i386/i386.c: use it.
13594 * config/rs6000/rs6000.c: use it.
13595 * config/arm/arm.c: use it.
13596 * config/mips/mips.c: use it.
13597 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13599 2006-01-30 Roger Sayle <roger@eyesopen.com>
13601 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13602 argv to the appropriate type.
13604 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13606 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13609 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13612 * config/s390/s390.c (struct machine_function): New flag
13613 decomposed_literal_pool_addresses_ok_p.
13614 (s390_reorg): Set it before final stage of literal pool transforms.
13615 (s390_decompose_address): Only accept displacements of the form
13616 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13618 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13620 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13621 the comparison routine return.
13623 2006-01-30 Michael Matz <matz@suse.de>
13625 * global.c (find_reg): Only evict for global regs.
13626 Take n_refs into account and dump more info.
13628 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13631 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13632 (pragma_trap, pragma_nosave_low_regs): Likewise.
13633 (current_function_anonymous_args): Likewise.
13634 (sh_deferred_function_attributes): New variable.
13635 (sh_deferred_function_attributes_tail): Likewise.
13636 (print_operand): For '@', look up trap_exit attribute.
13637 (calc_live_regs): Look up trapa_handler attribute. For trapa
13638 handlers, save/restore fpscr, but don't do any other
13639 interrupt-specific saves.
13640 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13641 Fix check for partially saved registers to check for SHmedia.
13642 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13643 (sh_output_function_epilogue): Don't clear any of the removed
13645 (sh_insert_attributes): Don't check pragma_interrupt.
13646 Insert deferred attributes. Check that interrupt attribute is
13647 present for other attributes that require its presence.
13648 (sh_attribute_table): Add new attributes trapa_handler and
13650 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13651 Don't check for pragma_interrupt. Don't store argument.
13652 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13653 (sh_deferred_function_attributes): Declare.
13654 (sh_deferred_function_attributes_tail): Likewise.
13655 * sh.md (sp_switch_1): Add operand. Change generator caller.
13656 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13657 (*return_i): Don't use when trap_exit attribute is in effect.
13658 (*return_trapa): New insn pattern.
13659 * sh-c.c: New file.
13660 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13661 setting c_target_objs and cxx_target_objs.
13662 * t-sh: Add rule for sh-c.o.
13664 2006-01-30 Richard Guenther <rguenther@suse.de>
13667 * gimplify.c (gimplify_target_expr): Handle easy cases
13668 without creating a temporary.
13670 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13672 * vec.h (safe_grow): Remove duplicated line.
13674 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13677 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13678 (expand_omp): ... here.
13679 (expand_omp_parallel): Only remove barriers for combined
13680 parallel+workshare constructs.
13682 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13686 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13687 * tree.c (build_qualified_type): Chain the new type to the original
13688 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13689 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13690 (build_pointer_type_for_mode): Only return unqualified types.
13691 (build_reference_type_for_mode): Likewise.
13693 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13695 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13696 * Makefile.in (CXX_COMPAT_WARN): Define.
13697 * configure: Regenerate.
13699 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13702 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13705 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13707 * toplev.c: Fix thinko.
13709 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13710 Marcin Dalecki <martin@dalecki.de>
13712 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13713 (push_srcloc): Use XNEW.
13714 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13716 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13718 * df-core.c (df_set_blocks): Deleted all variable.
13720 2006-01-28 Ian Lance Taylor <ian@airs.com>
13722 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13723 cgraph_output_pending_asms.
13725 2006-01-28 Zack Weinberg <zackw@panix.com>
13727 * c.opt: Add -W(no-)overlength-strings.
13728 * doc/invoke.texi: Document it.
13729 * c-opts.c (c_common_handle_option): -pedantic implies
13730 -Woverlength-strings, if not explicitly disabled already.
13731 (c_common_post_options): -Woverlength-strings defaults to off, and
13732 is always off for C++.
13733 * c-common.c (fix_string_type): Issue warning about strings longer
13734 than is portable only if warn_overlength_strings. Rearrange code
13735 a little for clarity.
13736 * configure.in: Check for -Wno-overlength-strings as well before
13737 enabling -pedantic in stage 1.
13738 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13739 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13741 * genconditions.c (write_header, write_one_condition)
13742 (write_conditions, write_writer): Consolidate very long strings
13743 that were broken up to fit in C89 portable limit. Don't use
13744 printf when fputs will do.
13746 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13748 * combine.c (simplify_comparison <AND>): Check
13749 TRULY_NOOP_TRUNCATION before start using a subreg.
13751 * config/mips/mips.md (*branch_zero<mode>,
13752 *branch_zero<mode>_inverted, *branch_equality<mode>,
13753 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13754 Remove mode check from comparisons.
13756 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13758 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13760 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13762 * expmed.c (const_mult_add_overflow_p): Remove.
13763 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13765 * recog.c (validate_replace_rtx_subexp): Remove.
13766 * recog.h: Remove the prototype for
13767 validate_replace_rtx_subexp.
13769 * integrate.h: Remove the prototype for
13770 copy_decl_for_inlining.
13771 * rtl.h: Remove the prototype for mark_constant_function.
13772 * tree-vectorizer.h: Remove the prototype for
13773 vect_strip_conversion.
13775 * modulo-sched.c (create_partial_schedule,
13776 free_partial_schedule, reset_partial_schedule): Make them
13779 * hooks.c (hook_bool_rtx_int_false): Remove.
13780 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13782 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13784 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13785 and -mlong-double-128 are incompatible.
13786 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13787 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13788 (TARGET_LIBGCC2_CFLAGS): Define.
13789 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13790 (TARGET_LIBGCC2_CFLAGS): Same.
13791 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13793 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13796 * c-typeck.c (build_binary_op): Perform implicit casts of
13797 operands before shortening them.
13799 * cfgloopmanip.c (split_loop_bb): Remove.
13800 * cfgloop.h: Remove the prototype for split_loop_bb.
13802 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13803 * cfgloop.h: Remove the prototype for
13804 flow_loop_outside_edge_p.
13806 * emit-rtl.c (init_virtual_regs): Make it static.
13807 * function.h: Remove the prototype for init_virtual_regs.
13809 * recog.c (peephole2_optimize): Make it static.
13810 * recog.h: Remove the prototype for peephole2_optimize.
13812 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13814 * df-scan.c (df_record_entry_block_defs): Check if
13815 INCOMING_RETURN_ADDR_RTX is defined.
13817 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13818 Kenneth Zadeck <zadeck@naturalbridge.com>
13820 PR rtl-optimization/24762
13821 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13822 * targhooks.c (hook_void_bitmap): New hook prototype.
13823 * targhoohs.h (hook_void_bitmap): Ditto.
13824 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13825 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13826 * target.h (live_on_entry): New function pointer.
13827 * df-scan.c (df_all_hard_regs): Removed.
13828 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13829 (df_scan_free_internal): Added df->entry_block_defs.
13830 (df_scan_alloc): Ditto.
13831 (df_scan_dump): Ditto.
13832 (df_uses_record): Plumbed flag field properly thru calls.
13833 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13834 This part fixes PR24762.
13835 (df_bb_refs_record): Added code to make the frame and arg
13836 pointers live in EH blocks.
13837 (df_refs_record): Added call to df_record_entry_block_defs.
13838 (df_record_entry_block_defs): New function.
13839 * df-core.c: Added comments to describe new artifical defs.
13840 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13841 (entry_block_defs): New field in struct df.
13842 (df_all_hard_regs): Deleted.
13843 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13844 * df-problems.c (df_ru_bb_local_compute_process_def):
13845 Added code to handle artifical defs in the entry to a function.
13846 (df_ru_bb_local_compute): Ditto.
13847 (df_rd_bb_local_compute_process_def): Ditto.
13848 (df_rd_bb_local_compute): Ditto.
13849 (df_lr_bb_local_compute): Ditto.
13850 (df_ur_bb_local_compute): Ditto.
13851 (df_urec_bb_local_compute): Ditto.
13852 (df_chain_create_bb): Ditto.
13853 (df_ur_local_finalize): Removed entry.
13854 (df_urec_init): Ditto.
13855 (df_urec_local_finalize): Ditto.
13856 (df_ri_bb_compute): Added detection of last use of pseudos.
13857 * Makefile.in (df-scan.o): Updated dependencies.
13858 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13859 * config/mips/mips.c (mips_set_live_on_entry): Added.
13860 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13862 * dce.c (marked_insn_p): Added code to handle artifical defs.
13864 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13866 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13868 (_mm_cvtsi128_si64): Likewise.
13869 (_mm_cvtsd_si64): Likewise.
13870 (_mm_cvttsd_si64): Likewise.
13871 (_mm_cvtsi64_sd): Likewise.
13872 (_mm_cvtsi64_si128): Likewise.
13873 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13874 (_mm_cvtsi64_m64): Likewise.
13875 (_m_to_int64): Likewise.
13876 (_mm_cvtm64_si64): Likewise.
13877 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13878 (_mm_cvttss_si64): Likewise.
13879 (_mm_cvtsi64_ss): Likewise.
13880 (_mm_cvtss_f32): Likewise.
13882 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13884 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13885 for pragma redefine_extname.
13887 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13890 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13891 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13892 -mno-minimal-toc to previous content.
13893 (bispecs): Remove goal.
13894 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13895 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13896 compatibility aliases on powerpc-*-*gnu*.
13897 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13898 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13899 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13900 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13901 (ldblspecs): New goal.
13902 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13903 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13905 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13906 L_sf_to_tf or L_df_to_tf is defined.
13908 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13909 Alan Modra <amodra@bigpond.net.au>
13912 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13913 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13914 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13915 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13916 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13917 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13918 (rs6000_override_options): Initialize rs6000_ieeequad.
13919 Initialize TFmode format to ibm_extended_format if not
13921 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13923 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13924 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13925 (function_arg_advance): IBM long double passed in two FPRs, not
13927 (function_arg): IBM long double passed in FPRs.
13928 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13929 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13930 Only multireg GPR aligned.
13931 (rs6000_init_libfuncs): Enable IBM long double functions if not
13933 (rs6000_generate_compare): Use IBM long double compare if not
13935 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13936 (TARGET_IEEEQUAD): Define.
13937 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13938 not TARGET_IEEEQUAD.
13939 * config/rs6000/rs6000.md: Enable TFmode patterns if
13941 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13942 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13943 and -mlong-double-128 are incompatible.
13944 * doc/invoke.texi (-mabi): Collect options together. Add
13945 ibmlongdouble and ieeelongdouble.
13947 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13949 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13951 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13952 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13953 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13954 * rtl.h (rtunion_def): Remove rt_ptr.
13956 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13957 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13958 * config/i386/winnt.c (i386_pe_mark_dllexport)
13959 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13961 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13963 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13965 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13969 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13970 pthread_key_delete. From John David Anglin. gthrw-ify
13971 pthread_getunique_np only if it it's not a macro. Delete
13973 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13974 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13975 __gthread_objc_condition_signal, __gthread_key_delete): Add
13976 "__attribute__ ((__unused__))" to unused arguments.
13977 (__gthread_recursive_mutex_init_function): Add missing return.
13978 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13979 gthr-posix95.h: Use macro-based approach for name redirection
13980 on targets missing weakref.
13982 2006-01-26 Zack Weinberg <zackw@panix.com>
13984 * genconditions.c (write_header): In generated code, #ifdef out
13985 all includes and fake declarations, except includes of bconfig.h
13986 and system.h, unless GCC_VERSION >= 3001. Do not include
13987 gensupport.h in any case.
13988 (write_conditions): Generate a definition of struct c_test. Add
13989 a comment to the generated #endif.
13990 (write_one_condition): Escape backslashes in string too.
13991 (write_writer): Generated code must escape backslashes and quote
13992 marks (but not newlines) in the strings it writes.
13993 * Makefile.in (build/gencondmd.o): Update dependencies.
13995 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13998 * Makefile.in (insn-automata.o): Add header file dependencies.
13999 * genautomata.c: Add includes.
14001 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14004 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14006 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14008 * configure.ac: Expect target tools paths to be passed from the toplevel
14009 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14011 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14013 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14016 * c.opt (Wpointer-sign): Init to -1.
14017 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14018 OPT_pedantic, to 0 otherwise.
14019 * doc/invoke.texi: Update.
14021 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14023 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14024 constants provided by 80387 instructions in the destination mode.
14026 2006-01-26 Richard Guenther <rguenther@suse.de>
14027 Andrew Pinski <pinskia@physics.uc.edu>
14030 partial PR tree-opt/17064
14031 * tree-ssa-structalias.c (intra_create_variable_infos):
14032 Create heap variables for incoming parameters if
14033 flag_argument_noalias > 1.
14034 (find_what_p_points_to): Look through default defs of
14037 2006-01-26 Jeff Law <law@redhat.com>
14040 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14041 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14042 within the VR_RANGE, use the VR_RANGE as the result, not the
14044 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14045 bounds for the type.
14047 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14049 * tree-ssa-alias.c (maybe_create_global_var): Change
14050 subvar walking to an assertion that we don't have subvar'd variables.
14052 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14055 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14056 Use a new variable, inner. PARM_DECLs are always non-weak.
14058 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14060 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14061 --disable-checking.
14063 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14065 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14067 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14069 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14070 (smax_insn, smin_insn, smax_0, smin_0): New.
14072 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14075 * config/cris/cris.c (cris_order_for_addsi3): New function.
14076 * config/cris/cris-protos.h: Prototype it.
14077 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14078 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14079 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14080 (split for "op.S1 [rx=rx+i],ry (swapped)")
14081 (split for "op(s|u).S1 [rx=rx+i],ry")
14082 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14083 Apply cris_order_for_addsi3 when generating addsi3 insns.
14085 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14087 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14088 (TREE_BLOCK): Add call to EXPR_CHECK.
14090 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14093 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14094 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14095 (dump_omp_clauses): ... here.
14096 (dump_generic_node): Handle OMP_CLAUSE.
14097 * tree.c (omp_clause_num_ops): New.
14098 (omp_clause_code_name): New.
14099 (tree_code_size): Handle OMP_CLAUSE.
14100 (tree_size): Likewise.
14101 (make_node): Document handling of OMP_CLAUSE.
14102 (tree_node_structure): Handle OMP_CLAUSE.
14103 (omp_clause_check_failed): New.
14104 (omp_clause_range_check_failed): New.
14105 (omp_clause_operand_check_failed): New.
14106 (build_omp_clause): New.
14107 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14108 * tree.h (enum omp_clause_code): Declare.
14109 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14110 (OMP_CLAUSE_RANGE_CHECK): Define.
14111 (OMP_CLAUSE_ELT_CHECK): Define.
14112 (omp_clause_check_failed): Declare.
14113 (omp_clause_operand_check_failed): Declare.
14114 (omp_clause_range_check_failed): Declare.
14115 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14116 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14117 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14118 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14119 (OMP_CLAUSE_IF_EXPR): Likewise.
14120 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14121 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14122 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14123 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14124 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14125 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14126 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14127 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14128 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14129 (OMP_CLAUSE_CODE): Define.
14130 (OMP_CLAUSE_SET_CODE): Define.
14131 (OMP_CLAUSE_CODE): Define.
14132 (OMP_CLAUSE_OPERAND): Define.
14133 (struct tree_omp_clause): Declare.
14134 (union tree_node): Add field 'omp_clause'.
14135 * treestruct.def (TS_OMP_CLAUSE): Define.
14136 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14137 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14138 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14139 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14140 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14141 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14142 (OMP_CLAUSE): Define.
14143 * print-tree.c (print_node): Handle OMP_CLAUSE.
14144 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14145 * c-typeck.c: Likewise.
14146 * gimplify.c: Likewise.
14147 * c-omp.c: Likewise.
14148 * tree-nested.c: Likewise.
14149 * tree-inline.c: Likewise.
14150 * c-parser.c: Likewise.
14151 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14154 2006-01-25 Roger Sayle <roger@eyesopen.com>
14156 PR rtl-optimization/25703
14157 * combine.c (try_combine): Handle zero_extract and strict_low_part
14158 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14160 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14162 * global.c: Fix comment typos.
14164 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14167 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14168 Use output_addr_const instead of assemble_name.
14170 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14172 * Makefile.in (sched-vis.o): Update dependencies.
14173 * haifa-sched.c (sched_finish): Clear current_sched_info.
14174 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14175 (dump_flow_info): Call it.
14176 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14178 * basic-block.h (dump_bb_info): Declare.
14179 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14180 option, and apply options only for dump files whose TDF_RTL,
14181 TDF_TREE, or TDF_IPA bits match.
14182 * rtl.h: Declare new functions exported from sched-vis.c.
14183 * sched-vis.c: Enable also if scheduling is not used.
14184 (print_value): Print the mode of registers if not inside scheduling.
14185 (print_insn): Make it work outside the scheduler. Beautify the output
14187 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14189 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14191 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14192 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14193 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14194 depending on the value of CONSTANT_POOL_ADDRESS_P.
14195 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14197 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14198 rather than SYMBOL_REF_DECL.
14199 (rtx_constant_pool): Remove const_rtx_sym_htab.
14200 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14201 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14202 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14203 Remove handling of const_rtx_sym_htab.
14204 (find_pool_constant): Delete.
14205 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14206 rather than find_pool_constant.
14207 (get_pool_constant_for_function): Delete.
14208 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14209 find_pool_constant.
14210 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14211 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14212 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14213 (SYMBOL_REF_CONSTANT): New macro.
14214 (get_pool_constant_for_function): Delete.
14215 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14216 rather than SYMBOL_REF_DECL.
14217 (i386_pe_mark_dllimport): Likewise.
14218 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14219 rather than SYMBOL_REF_DECL.
14220 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14221 (machopic_indirect_call_target): Likewise.
14223 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14225 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14227 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14229 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14231 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14233 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14235 2006-01-24 David Daney <ddaney@avtrex.com>
14238 * configure.ac (enable_tls): New enable option.
14239 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14240 * configure: Regenerate.
14241 * doc/install.texi (--enable-tls): Document new option.
14242 (--disable-tls): Ditto.
14244 2006-01-24 Richard Henderson <rth@redehat.com>
14246 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14247 * alias.c (true_dependence): Respect it.
14248 (canon_true_dependence, write_dependence_p): Likewise.
14249 * builtins.c (get_builtin_sync_mem): Set it.
14251 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14253 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14256 2006-01-24 DJ Delorie <dj@redhat.com>
14258 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14259 for storing constants in single-bit bitfields.
14261 2006-01-25 Ben Elliston <bje@au.ibm.com>
14263 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14265 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14268 * tree-ssa-pre.c (phi_translate): Return NULL
14269 for AGGREGATE_TYPE's.
14271 2006-01-24 Zack Weinberg <zackw@panix.com>
14273 * genautomata.c (process_state_for_insn_equiv_partition):
14274 Use xcalloc for insn_arcs_array.
14275 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14276 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14278 2006-01-24 Richard Henderson <rth@redhat.com>
14280 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14281 update all callers.
14283 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14285 PR rtl-optimization/25890
14286 PR rtl-optimization/25905
14287 * combine.c (expand_compound_operation, expand_field_assignment):
14288 Fail if the bitfield's final position is out of bounds.
14290 2006-01-24 Ian Lance Taylor <ian@airs.com>
14292 PR middle-end/25930
14293 * cgraphunit.c (cgraph_output_in_order): Don't clear
14294 cgraph_asm_nodes until after asm strings have been output.
14296 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14298 * fix-header.c (read_scan_file): Add new parameter imultilib when
14299 calling register_include_chains.
14301 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14303 * omp-low.c: Update documentation.
14305 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14306 Daniel Berlin <dberlin@dberlin.org>
14310 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14311 return from the function.
14313 2006-01-22 Zack Weinberg <zackw@panix.com>
14315 * rtl.def (match_code): Add second argument.
14316 * genpreds.c (write_extract_subexp): New function.
14317 (write_match_code): Add path argument. Use write_extract_subexp.
14318 (write_predicate_expr): Pass path to write_match_code.
14319 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14320 not perform a mode test.
14321 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14322 a subexpression does not constrain the top-level code set.
14323 * read-rtl.c (read_rtx_variadic): New function.
14324 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14325 * doc/md.texi: Document new notation.
14326 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14327 (cmpsi_operand): ... here, using new notation.
14329 2006-01-22 Zack Weinberg <zackw@panix.com>
14331 * varray.c: Remove GENERATOR_FILE #ifdefs.
14333 2006-01-22 Zack Weinberg <zackw@panix.com>
14335 * genautomata.c (output_reserved_units_table): Emit nothing if
14336 description->query_units_num is zero. Remove extra blank line.
14337 (output_cpu_unit_reservation_p): Short circuit
14338 if description->query_units_num is zero.
14340 2006-01-22 Zack Weinberg <zackw@panix.com>
14342 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14343 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14344 nor any of the random handful of variables that used to be necessary
14345 when this program was linked with rtlanal.o. Prune set of forward
14346 function declarations.
14347 (struct attr_desc): Remove static_p field.
14348 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14349 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14350 (attr_string): Do not read the character one past the length of
14352 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14353 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14354 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14355 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14356 (make_automaton_attrs): New.
14357 (main): Do not call into genautomata. Call local gen_bypass
14358 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14359 Remove special case for insn_alts.
14360 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14361 varray.h (leftover from previous change). Prune set of forward
14362 function declarations. Remove state_alts fields from all
14363 structures. Remove state_alts_table from struct automaton.
14364 Make everything except main static. Do not maintain num_dfa_decls.
14365 Do not maintain state_alts fields of various structures.
14366 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14367 (add_arc): Remove state_alts argument. All callers updated.
14368 (output_reserved_units_table): Emit #ifdef here...
14369 (output_tables): ...not here. Don't generate state_alts tables.
14370 (expand_automata): Don't generate attributes.
14371 (write_automata): Don't generate state_alts functions.
14372 (main): New function.
14373 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14374 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14375 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14376 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14377 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14378 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14379 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14380 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14382 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14383 * genattrtab.h: Delete file.
14384 * Makefile.in (OBJS-common): Add insn-automata.o.
14385 (insn-automata.o): New rule.
14386 (simple_generated_c): Add insn-automata.c.
14387 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14388 (genprogmd): Add automata.
14389 (build/genattrtab): Needs no extra objects nor libraries.
14390 (build/genautomata): Needs build/vec.o and -lm.
14392 2006-01-22 Zack Weinberg <zackw@panix.com>
14394 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14395 (output_dfa_max_issue_rate, locked_states_num): Delete.
14396 (struct automaton): Add locked_states field.
14397 (output_dead_lock_vect): Save number of locked states in
14398 automaton->locked_states. If it is zero, don't print anything.
14399 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14400 (output_internal_dead_lock_func): Only test the dead_lock_vect
14401 for automata that have locked states.
14402 (output_statistics): Always print the number of locked states for
14403 each automaton. Calculate total number of locked states here.
14404 (write_automata): Don't call output_dfa_max_issue_rate.
14405 * genattrtab.c: Define length_unit_log as a const variable.
14406 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14407 max_insn_queue_index const.
14408 * final.c (length_unit_log): Declare const.
14409 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14411 2006-01-22 Zack Weinberg <zackw@panix.com>
14413 * genautomata.c: Include vec.h, not varray.h.
14414 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14415 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14416 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14417 VEC_* macros operating on appropriately typed vectors, or to
14418 malloced arrays when the size is known in advance. Const-ify
14419 many char* variables and function arguments. No functional changes.
14420 * Makefile.in (build/varray.o): Delete rule.
14421 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14422 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14424 2006-01-22 Zack Weinberg <zackw@panix.com>
14426 * gensupport.c: Define get_insn_name and record_insn_name here.
14427 (read_md_rtx): Call record_insn_name as appropriate.
14428 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14429 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14430 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14432 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14433 (BUILD_VARRAY): Delete.
14434 (genprognormal): Rename genprogmd. Fold in all programs from
14435 genprognoprint; also attrtab.
14436 (build/genattrtab): Just mention genautomata.o and varray.o.
14437 Reorganize a bit, add comments to make the categories clearer.
14439 2006-01-22 Zack Weinberg <zackw@panix.com>
14441 * genconditions.c (condition_table, add_condition): Delete.
14442 (write_conditions): Don't emit n_insn_conditions nor
14443 insn_elision_unavailable. Issue the gcc version #ifdef here,
14444 inside the table, with no #else clause ...
14445 (write_header): ...not here.
14446 (write_writer): New function.
14447 (main): Don't initialize condition_table. Use add_c_test.
14449 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14450 files on the command line.
14451 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14452 Return -1 if there is no entry in the table, don't abort.
14453 (add_c_test, traverse_c_tests): New functions.
14454 * gensupport.h (insn_elision_unavailable, insn_conditions)
14455 (n_insn_conditions): Delete declarations.
14456 (add_c_test, traverse_c_tests): Declare.
14457 * read-rtl.c: Include gensupport.h.
14458 (read_conditions): New function.
14459 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14460 (read_rtx_1): If we get EOF when we were looking for an initial
14461 open paren, return 0. Call read_conditions when appropriate.
14462 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14463 dummy-conditions.o. Eliminate references to insn-conditions.o,
14464 or change them to build/gencondmd.o, as appropriate. Remove
14465 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14466 from $(simple_generated_c). For all files remaining in those
14467 two lists, add insn-conditions.md to the generator command line.
14468 Give insn-constants.h/s-constants their own rules. Add rules
14469 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14470 (build/read-rtl.o): Depend on gensupport.h.
14471 (genprognormal): Include preds.
14472 (genprogearly): Rename genprognoprint; only difference is now that
14473 they don't link with $(BUILD_PRINT).
14474 * dummy-conditions.c: Delete.
14476 2006-01-22 Zack Weinberg <zackw@panix.com>
14478 * genextract.c: Don't include insn-config.h. Do include vec.h.
14479 Declare vectors of int, char, and locstr.
14480 (locstr): New typedef.
14481 (struct extraction): Make all array fields into bare pointers.
14482 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14483 (insn_code_number): Delete.
14484 (accum_extract): New struct.
14485 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14486 (gen_insn): Take insn_code_number as an argument. Use an
14487 accum_extract structure instead of loading data directly into
14488 a struct extraction, and having to know how big it might get.
14489 (walk_rtx): Operate entirely on an accum_extract structure.
14490 (print_path): Avoid unnecessary use of printf.
14491 (print_header): New function, split out of main. Distinguish
14492 more carefully between an unrecognizable insn and an insn that
14493 has the code number of a define_expand.
14494 (main): Pass insn_code_number to gen_insn. Call print_header
14495 only after parsing. Avoid unnecessary use of printf.
14496 * Makefile.in (build/vec.o): New rule.
14497 (build/genextract): Depend on build/vec.o.
14498 (build/genextract.o): Don't depend on insn-config.h.
14500 2006-01-22 Zack Weinberg <zackw@panix.com>
14502 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14503 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14504 practical. Eliminate per-generator-program link rules.
14506 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14508 PR middle-end/24437
14509 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14510 with a call expr to ...
14511 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14513 2006-01-23 Richard Guenther <rguenther@suse.de>
14515 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14516 before make_edge with conditional EDGE_TRUE_VALUE.
14518 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14519 Jan Hubicka <jh@suse.cz>
14520 Richard Guenther <rguenther@suse.de>
14522 PR rtl-optimization/25654
14523 * cfgexpand.c (aggregate_contains_union_type): New function.
14524 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14525 for structure variables that contain a union type.
14527 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14529 * gengtype.c (new_structure): Return the structure.
14530 (create_option): Add an extra "next" argument.
14531 (create_field): New function.
14532 (adjust_field_rtx_def): Use create_option and create_field.
14533 Remove a now-unnecessary call to find_structure.
14534 (adjust_field_tree_def): Likewise.
14535 (note_yacc_type): Remove an unnecessary call to find_structure.
14536 * gengtype.h (new_structure): Return the structure.
14537 (create_option): Add an extra argument.
14538 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14539 (option): Adjust calls to create_option.
14541 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14543 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14545 2006-01-22 Paul Brook <paul@codesourcery.com>
14546 Peter Barada <peter@the-baradas.com>
14548 * config/m68k/m68k.md: Add Coldfire FPU support.
14549 Define FP mode macro and associated attributes.
14550 Use it for float mode patterns.
14551 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14552 (LIBCALL_VALUE): Use m68k_libcall_value.
14553 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14554 (m68k_function_value): Ditto.
14555 (emit_move_sequence): Ditto.
14556 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14557 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14558 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14559 (MULTILIB_EXCEPTIONS): Ditto.
14560 * config/m68k/m68k.opt: Add mcfv4e.
14561 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14562 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14563 (m68k_output_function_prologue): Save ColdFire FPU registers.
14564 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14565 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14566 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14567 ColdFire FPU registers.
14568 (m68k_libcall_value, m68k_function_value): New functions.
14569 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14570 (LIBCALL_VALUE): Use m68k_libcall_value.
14571 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14572 (MASK_COLDFIRE): Add MASK_CFV4E.
14573 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14574 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14575 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14576 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14577 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14578 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14579 * doc/invoke.tex: Document -mcfv4e on m68k.
14581 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14583 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14586 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14589 * c-opts.c (c_common_handle_option): Don't include
14590 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14591 * doc/invoke.texi (C++ Dialect Options): Document that
14592 -Wnon-virtual-dtor is no longer included in -Wall.
14594 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14596 * gcov.c (print_version), gcov-dump.c (print_version),
14597 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14600 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14602 * df-scan.c (problem_SCAN): Added NULL reset function.
14603 (df_scan_reset_blocks): Added code to call reset block function
14604 (df_bb_refs_delete) Fixed comment.
14605 (df_insn_refs_delete): Made tolerant of deleting non existent info
14606 for dataflow problems that need to be reset.
14607 * df-core.c (df_set_blocks): Ditto.
14608 * df.h (struct df_problem): Added reset_fun.
14609 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14610 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14611 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14612 functions to clear out all references to def-use or use-def chains.
14614 2006-01-21 Ben Elliston <bje@au.ibm.com>
14616 * varasm.c (assemble_real): Initialise data array.
14618 2006-01-20 Paul Brook <paul@codesourcery.com>
14620 Merge from csl-arm-branch.
14621 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14622 * config/arm/arm.md (movdi): Force operands[1] to a register
14623 if we have a non-register source.
14624 (*arm_movdi, *movdf_soft_insn): Require that one of the
14625 operands be a register.
14626 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14627 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14629 2006-01-20 DJ Delorie <dj@redhat.com>
14631 * varasm.c (initializer_constant_valid_p): Allow pointers
14632 initialized from integer constants of lesser precision.
14633 (output_constant): Allow non-int-sized pointer modes to be
14634 initialized from integer constants.
14636 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14639 * cppdefault.h (struct default_include): Add multilib flag.
14640 * cppdefault.c (cpp_include_defaults): Set it.
14641 * c.opt (-imultilib): New option.
14642 * c-opts.c (imultilib): New.
14643 (c_common_handle_option): Handle -imultilib.
14644 (c_common_post_options): Likewise.
14645 * c-incpath.c (add_standard_paths, register_include_chains):
14647 * c-incpath.h (register_include_chains): Add extra parameter.
14648 * gcc.c (do_spec_1): Generate -imultilib option.
14649 (The Specs Language): Update %I description.
14650 (process_command): Update copyright notice.
14651 * doc/cppopts.texi (-imultilib): Document.
14652 * doc/invoke.texi (-imultilib): Include in option summary.
14653 (%I): Update specs documentation.
14655 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14657 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14659 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14661 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14664 2006-01-20 Richard Guenther <rguenther@suse.de>
14665 Steven Bosscher <stevenb.gcc@gmail.com>
14667 PR rtl-optimization/24626
14668 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14669 EDGE_TRUE_VALUE if in RTL mode.
14672 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14673 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14675 2006-01-20 Dirk Mueller <dmueller@suse.com>
14678 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14679 instead of a special NOP marker.
14680 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14681 NOP marker handling.
14682 * c-common.h (empty_body_warning): Add forward declaration.
14683 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14684 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14686 2006-01-20 Paul Brook <paul@codesourcery.com>
14688 * Makefile.in (lang_checks): Keep going if mkdir fails.
14690 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14692 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14693 be able to clean out basic block when not necessary.
14694 (df_scan_free): Fixed to properly delete information if df is
14695 unused before calling df_finish.
14696 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14697 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14699 (df_bb_refs_delete): New function.
14700 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14701 * df-core.c (df_set_blocks): Added code to properly clean out
14702 unused blocks if they are not part of the blocks to consider.
14703 Added additional null check.
14704 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14705 be able to clean out basic block when not necessary
14706 * df.h (df_free_bb_function): Ditto.
14707 (df_bb_refs_delete): New function.
14708 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14709 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14710 basic block parameter to be able to clean out basic block when not
14712 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14713 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14714 Fixed to properly delete information if df is unused before
14717 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14719 PR rtl-optimization/25799
14720 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14721 Corrected confluence operator to remove bits from op2 before oring
14722 with op1 rather than removing bits from op1.
14723 (df_ru_transfer_function): Corrected test on wrong bitmap which
14724 caused infinite loop. Both of these problems were introduced in
14725 the dataflow rewrite.
14727 2006-01-19 DJ Delorie <dj@redhat.com>
14729 * reload1.c (find_reload_regs): Note the details of reload
14730 failures in the dump file.
14731 (spill_failure): Likewise.
14733 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14735 * loop-iv.c: Include df.h and hashtab.h.
14736 (enum iv_grd_result): New enum.
14737 (DF_REF_IV, DF_REF_IV_SET): New macros.
14738 (struct biv_entry): New.
14739 (df, bivs): New global variables.
14740 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14741 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14743 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14744 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14745 analyzed_for_bivness_p, record_biv): New functions.
14746 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14747 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14748 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14750 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14752 (iv_number_of_iterations): Use new interface to iv analysis.
14753 * loop-unroll.c: Do not include varray.h.
14754 (analyze_iv_to_split_insn): Use new interface to iv
14756 * loop-unswitch.c (may_unswitch_on): Ditto.
14757 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14759 (df_bb_modify): Realloc tables to the new index.
14760 (df_find_use): New function.
14761 * df.h (df_find_use): Declare.
14762 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14764 * cfgloop.h (struct rtx_iv): Remove analysed field.
14765 (iv_get_reaching_def): Removed.
14766 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14767 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14768 (loop-iv.o): Add df.h and hashtab.h dependency.
14769 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14771 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14774 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14776 (__floatundisf, __floatundidf): Likewise.
14777 * libgcc2.h (IS_IBM_EXTENDED): Define.
14779 2006-01-19 DJ Delorie <dj@redhat.com>
14781 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14783 2006-01-19 Paul Brook <paul@codesourcery.com>
14785 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14786 as nothrow when unwinding tables are disabled.
14788 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14791 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14792 of bit-field" when in system header.
14794 2006-01-19 DJ Delorie <dj@redhat.com>
14796 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14797 the 16 bit shift limit of the m16c.
14799 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14802 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14803 * config/i386/i386.c (output_set_got): Output the label if we have one
14804 for the TARGET_DEEP_BRANCH_PREDICTION case.
14806 2006-01-19 Jan Hubicka <jh@suse.cz>
14807 H.J. Lu <hongjiu.lu@intel.com>
14808 Evandro Menezes <evandro.menezes@amd.com>
14810 * invoke.texi (generic): Document
14812 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14813 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14814 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14815 (x86_use_incdec, x86_pad_returns): New variables
14816 (TARGET_CPU_DEFAULT_generic): New constant
14817 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14818 (enum processor_type): Add generic32 and generic64.
14819 * i386.md (cpu attribute): Add generic32/generic64
14820 (movhi splitter): Behave sanely when both partial_reg_dependency and
14821 partial_reg_stall are set.
14822 (K8 splitters): Enable for generic as well.
14823 * predicates.md (incdec_operand): Use TARGET_INCDEC
14824 (aligned_operand): Avoid memory mismatch stalls.
14825 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14826 * ppro.md: Enable for generic32
14827 * i386.c (generic64_cost, generic32_cost): New.
14828 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14829 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14830 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14831 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14832 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14833 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14834 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14835 x86_accumulate_outgoing_args, x86_prologue_using_move,
14836 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14837 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14838 Enable for generic.
14839 (x86_use_incdec, x86_pad_returns): New.
14840 (override_options): Add generic32 and generic64, translate "generic"
14841 to generic32/generic64 and "i686" to "generic32", refuse
14842 "generic32"/"generic64" as arch target.
14843 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14844 (ix86_reorg): Honor PAD_RETURNS.
14846 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14848 * tree-pretty-print.c (dump_generic_node): Handle
14849 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14850 * cgraph.c (cgraph_expand_queue): Rename from
14851 cgraph_analyze_queue. Update all users.
14852 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14853 cgraph_expand_queue.
14854 (cgraph_expand_all_functions): Likewise.
14855 (cgraph_finalize_pending_functions): Remove. Update callers.
14857 * tree.h (OMP_DIRECTIVE_P): Define.
14858 (OMP_PARALLEL_FN): Define.
14859 (OMP_PARALLEL_DATA_ARG): Define.
14860 (OMP_SECTIONS_SECTIONS): Define.
14861 * tree-pass.h (pass_expand_omp): Declare.
14862 * omp-low.c (struct omp_region): Declare.
14863 (struct omp_context): Remove fields 'parallel_type',
14864 'parallel_start_ix' and 'parallel_start_additional_args'.
14866 (struct omp_for_data): Rename from struct expand_omp_for_data.
14867 (omp_regions): New static variable.
14868 (root_omp_region): New static variable.
14869 (find_omp_clause): Make static.
14870 (is_in_combined_parallel_ctx): Remove.
14871 (is_combined_parallel): New.
14872 (extract_omp_for_data): Move earlier in the file.
14873 (workshare_safe_to_combine_p): New.
14874 (get_ws_args_for): New.
14875 (determine_parallel_type): Move earlier in the file.
14876 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14878 (omp_copy_decl): Likewise.
14879 (create_omp_child_function): Likewise.
14880 (lookup_omp_region): New.
14881 (dump_omp_region): New.
14882 (debug_omp_region): New.
14883 (debug_all_omp_regions): New.
14884 (new_omp_region): New.
14885 (scan_omp_parallel): If parallel_nesting_level > 1, the
14886 directive is nested within another parallel directive.
14887 Set OMP_PARALLEL_FN.
14888 (scan_omp_for): Do not try to handle combined parallel+for
14890 Remove FIXME comment.
14891 (scan_omp_nested): Remove.
14892 (scan_omp_1): Do not call scan_omp_nested when
14893 parallel_nesting_level is > 1.
14894 Do not change the DECL_CONTEXT of local variables found.
14895 (lookup_decl_in_outer_ctx): New.
14896 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14897 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14898 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14899 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14900 If CTX is nested, lookup VAR in the outer context when
14901 building copy assignment.
14902 (lower_send_clauses): Rename from expand_send_clauses.
14903 If CTX is nested, lookup VAR in the outer context when
14904 building copy assignments.
14905 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14906 If CTX is nested, lookup VAR in the outer context when
14907 building copy assignments.
14908 (expand_parallel_call): Rename from build_parallel_call.
14909 Handle combined parallel+workshare cases.
14910 Re-implement to emit code into the CFG.
14912 (expand_omp_parallel): Re-implement to emit code into the CFG.
14913 Call move_sese_region_to_fn to outline the sub-graph
14914 containing the parallel region.
14915 (expand_omp_for_1): Remove.
14916 (expand_omp_for_generic): Re-implement to emit code into the
14918 (expand_omp_for_static_nochunk): Likewise.
14919 (expand_omp_for_static_chunk): Likewise.
14920 (expand_omp_for): Likewise.
14921 (expand_omp_sections): Likewise.
14922 (remove_exit_barriers): New.
14923 (expand_omp_synch): New.
14925 (build_omp_regions_1): New.
14926 (build_omp_regions): New.
14927 (execute_expand_omp): New.
14928 (gate_expand_omp): New.
14929 (pass_expand_omp): Define.
14930 (lower_omp_sections): Rename from expand_omp_sections.
14931 Set OMP_SECTIONS_SECTIONS.
14932 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14933 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14934 (lower_omp_single): Rename from expand_omp_simple.
14935 (lower_omp_master): Rename from expand_omp_master.
14936 (lower_omp_ordered): Rename from expand_omp_ordered.
14937 (lower_omp_critical): Rename from expand_omp_critical.
14938 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14939 (lower_omp_for): Re-implement.
14940 (lower_omp_parallel): Re-implement.
14941 (lower_regimplify): Rename from expand_regimplify.
14942 (lower_omp_1): Rename from expand_omp_1.
14943 If there are syntax errors in the program, replace every
14944 OpenMP directive with NOP.
14945 Call lower_omp_* instead of expand_omp_*.
14946 (lower_omp): Rename from expand_omp.
14948 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14949 * tree-gimple.h (enum omp_parallel_type): Remove.
14950 (gimple_boolify): Declare extern.
14951 (find_omp_clause, determine_parallel_type): Remove.
14953 * gimple-low.c (lower_omp_directive): New.
14954 (lower_stmt): Call it.
14955 (record_vars_into): Move from ...
14956 (record_vars): ... here.
14957 Call record_vars_into with current_function_decl.
14959 * gimplify.c (struct gimplify_ctx): Remove fields
14960 combined_pre_p and combined_ctxp. Update users.
14961 (get_formal_tmp_var): Add documentation.
14962 (gimple_boolify): Make extern.
14963 (gimplify_expr_in_ctx): Remove. Update callers.
14964 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14965 will always be a BIND_EXPR.
14966 (gimplify_expr): Handle OMP_RETURN_EXPR.
14967 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14968 (OMP_PARALLEL): Add 3 operands.
14969 (OMP_SECTIONS): Add 1 operand.
14970 (OMP_RETURN_EXPR): Define.
14972 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14973 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14974 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14975 creating a circular free list.
14976 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14978 * tree-flow.h (move_sese_region_to_fn): Declare.
14979 (record_vars_into): Declare.
14980 * tree-cfg.c (make_omp_sections_edges): New.
14981 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14982 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14983 OMP_SECTIONS and OMP_SECTION.
14984 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14985 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14986 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14987 (gather_blocks_in_sese_region): New.
14988 (struct move_stmt_d): Declare.
14989 (move_stmt_r): New.
14990 (move_block_to_fn): New.
14991 (move_sese_region_to_fn): New.
14993 * passes.c (init_optimization_passes): Schedule
14994 pass_expand_omp after pass_init_datastructures.
14996 * tree-ssa-operands.c (get_expr_operands): Handle
14997 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14998 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15000 2006-01-19 Jeff Law <law@redhat.com>
15002 * tree-vrp.c (extract_range_from_assert): Refine the result range
15003 if the variable referenced by the ASSERT_EXPR has a range and
15004 either the tentative result range or the previous range is a
15007 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15009 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15011 2006-01-19 Jan Hubicka <jh@suse.cz>
15013 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15015 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15017 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15018 (expand_compound_operation, expand_field_assignment): Fail if the
15019 bit lengths of an extract operation are out of range.
15020 (make_extraction): Compute wanted_inner_mode based on the position
15021 and length of the extraction. Make it extraction_mode for non-constant
15022 positions, and do not modify offset in that case. When generating a
15023 new MEM, use a mode that can hold the extraction while keeping correct
15024 alignment. Remove code that supported MEMs wrapped by USEs.
15025 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15027 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15029 * config/s390/s390.md ("Y", "y"): New mode attribute.
15030 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15031 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15032 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15033 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15034 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15035 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15036 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15037 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15038 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15039 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15040 "addsi3", "subsi3"): Insn patterns removed.
15041 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15042 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15043 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15044 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15045 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15046 "*sub<mode>3_cconly2"): New insn patterns.
15047 ("addsi3", "subsi3"): New expanders.
15049 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15051 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15052 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15053 existing STMT_VINFO_VECTYPE if available.
15054 (vect_mark_relevant): Add special handling for stmts that are
15055 marked as STMT_VINFO_IN_PATTERN_P.
15056 (vect_analyze_loop): Call vect_pattern_recog.
15057 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15058 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15060 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15061 (vect_recog_func_ptr): New function-pointer type.
15062 * tree-vect-patterns.c: New file.
15063 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15064 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15065 (vect_pattern_recog_1): New functions.
15066 (vect_pattern_recog_funcs): New array of function pointers.
15068 * tree-vectorizer.h (ternary_op): New enum value.
15069 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15070 declaration. Revised documentation. Removed redundant dump prints.
15071 Removed redundant argument. Added support for reduction patterns.
15072 (vectorizable_reduction): Added support for reduction patterns.
15073 (vect_transform_stmt): Added support for patterns.
15075 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15076 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15077 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15078 (expand_widen_pattern_expr): New function.
15079 (init_optabs): Initialize new optabs udot_prod_optab,
15081 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15082 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15083 (expand_widen_pattern_expr): New function declaration.
15084 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15086 * tree-inline.c (estimate_num_insns_1): Added cases for new
15087 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15088 * tree-pretty-print.c (dump_generic_node): Likewise.
15089 (op_prio): Likewise.
15090 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15091 * tree-ssa-operands.c (get_expr_operands): Added case for
15093 * tree-vect-patterns.c (widened_name_p): New function.
15094 (vect_recog_dot_prod_pattern): Added function implementation.
15095 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15096 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15097 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15098 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15100 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15101 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15102 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15103 (init_optabs): Initialize new optabs widen_ssum_optab,
15105 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15106 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15107 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15108 use instead of type of def.
15109 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15110 function implementation.
15111 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15112 widen_ssumv8hi): New.
15114 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15117 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15120 * c-decl.c (add_flexible_array_elts_to_size): New function.
15121 (finish_decl): Use it.
15123 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15125 * diagnostic.h: Include options.h.
15126 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15127 dependancies for diagnostic.h.
15128 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15130 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15132 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15133 (ssa_ro_call_cache_valid): Ditto.
15134 * tree-ssa-alias.c (sort_tags_by_id): New function.
15135 (init_transitive_clobber_worklist): Ditto.
15136 (add_to_worklist): Ditto.
15137 (mark_aliases_call_clobbered): Ditto.
15138 (compute_tag_properties): Ditto.
15139 (set_initial_properties): Ditto.
15140 (compute_call_clobbered): Ditto.
15141 (compute_may_aliases): Call compute_call_clobbered and grouping.
15142 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15143 (compute_flow_insensitive_aliasing): Grouping now happens in our
15145 (setup_pointers_and_addressables): Remove clobbering related code.
15146 (add_may_alias): Ditto.
15147 (replace_may_alias): Ditto.
15148 (get_nmt_for): Ditto.
15149 (create_global_var):
15150 (is_escape_site): Return an escape_type enumeration.
15151 * tree-flow-inline.h (is_call_clobbered): Global var does not
15152 imply call clobbered.
15153 (mark_call_clobbered): Take a reason for marking this. Remove
15154 marking of globalness, and cache invalidation.
15155 (clear_call_clobbered): Remove cache invalidation code.
15156 * tree-dfa.c (dump_variable): If details is on, dump the reason
15158 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15160 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15161 (struct var_ann_d): Ditto.
15162 (enum escape_type): New.
15163 (mark_call_clobbered): Adjust prototype.
15164 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15165 are never call clobbered.
15166 Record reasons for escaping.
15167 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15168 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15169 (ssa_ro_call_cache_valid): Ditto.
15170 (clobbered_v_may_defs): Ditto.
15171 (clobbered_vuses): Ditto.
15172 (ro_call_vuses): Ditto.
15173 (clobber_stats): New.
15174 (init_ssa_operands): Zero out clobber stats.
15175 (fini_ssa_operands): Print out clobber stats.
15176 (get_call_expr_operands): Pass callee fndecl to
15177 add_call_read_ops).
15178 (add_call_clobber_ops): Remove use of cache.
15179 Add use of PURE_CONST information.
15180 (add_call_read_ops): Remove use of cache.
15181 Add use of static not_read information.
15183 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15185 Introduce TLS descriptors for i386 and x86_64.
15186 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15187 (TARGET_ANY_GNU_TLS): New macro.
15188 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15189 (struct machine_function): Add tls_descriptor_call_expanded_p.
15190 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15191 (ix86_current_function_calls_tls_descriptor): Likewise.
15192 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15193 (override_options): Introduce gnu2 tls dialect.
15194 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15196 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15198 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15199 (ix86_init_machine_status): Initialize new field.
15200 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15201 (ix86_tls_module_base): New.
15202 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15203 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15204 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15205 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15206 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15207 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15208 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15209 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15210 * config/i386/predicates.md (tls_modbase_operand): New.
15211 (tp_or_register_operand): New.
15213 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15215 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15216 (look_for_address_of): Ditto.
15217 (ipa_init): Walk the function decls.
15218 (static_execute): Don't set readonly on FUNCTION_DECL's.
15220 2006-01-18 Roger Sayle <roger@eyesopen.com>
15222 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15223 for shifts where the source and destination registers are different.
15225 2006-01-18 Paul Brook <paul@codesourcery.com>
15227 Merge from csl-arm-branch.
15228 2005-03-14 Julian Brown <julian@codesourcery.com>
15229 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15230 (aeabi_llsl): Likewise.
15231 (ashrdi3): Likewise.
15232 (aeabi_lasr): Likewise.
15233 (lshrdi3): Likewise.
15234 (aeabi_llsr): Likewise.
15235 2005-03-10 Julian Brown <julian@codesourcery.com>
15236 * config.gcc: Disable shared libgcc for SymbianOS.
15237 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15239 2006-01-18 DJ Delorie <dj@redhat.com>
15241 * c-pragma.c (handle_pragma_diagnostic): New.
15242 (init_pragma): Register it.
15243 * doc/extend.texi: Document it.
15245 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15246 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15247 (diagnostic_context): Add classify_diagnostic[].
15248 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15249 as errors if they're overridden to DK_WARNING.
15250 (diagnostic_initialize): Initialize classify_diagnostic[].
15251 (diagnostic_set_kind_override): New.
15252 (diagnostic_report_diagnostic): Check for kind changes.
15253 * opts.c (common_handle_option): Take lang_mask. Update callers.
15254 Handle OPT_Werror_.
15255 * common.opt (Werror=): New.
15256 * doc/invoke.texi: Document -Werror=*
15258 2006-01-18 Jeff Law <law@redhat.com>
15260 * tree-vrp.c (test_for_singularity): Correct test for new
15261 min limit. Use operand_equal_p rather than pointer equality
15262 for testing if new min/max values are equal.
15264 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15265 using range information until after propagation and folding.
15267 2006-01-18 Richard Henderson <rth@redhat.com>
15268 Aldy Hernandez <aldyh@redhat.com>
15269 Jakub Jelinek <jakub@redhat.com>
15270 Diego Novillo <dnovillo@redhat.com>
15272 * omp-low.c: New file.
15273 * c-omp.c: New file.
15275 2006-01-18 Richard Henderson <rth@redhat.com>
15276 Jakub Jelinek <jakub@redhat.com>
15277 Diego Novillo <dnovillo@redhat.com>
15279 * doc/invoke.texi: Document -fopenmp.
15280 * tree-dump.h (debug_function): Declare.
15281 * hooks.c (hook_bool_tree_bool_false): New function.
15282 (hook_tree_tree_null): Remove.
15283 (hook_tree_tree_tree_null): New.
15284 * hooks.h: Update to match.
15285 * tree-pretty-print.c (debug_tree_chain): New.
15286 (print_generic_expr): Handle TDF_CHAIN.
15287 (dump_generic_node): Handle BLOCK.
15288 Do not abort with incomplete SWITCH_EXPRs.
15289 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15290 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15291 print space after directive name.
15292 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15293 Handle OMP_MASTER and OMP_ORDERED.
15294 Handle printing of OMP_BODY just in one place, goto
15295 dump_omp_body in the rest of OMP_* nodes that have
15297 Don't handle clause nodes here. Update omp statements to
15298 use dump_omp_clauses.
15299 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15300 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15301 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15302 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15303 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15304 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15305 Adjust output for GOMP_PARALLEL.
15306 (dump_omp_clauses): New.
15307 (print_declaration): Dump DECL_VALUE_EXPR.
15308 (op_symbol_1): Split out of op_symbol.
15309 (dumping_stmts): Remove. Update all users.
15310 * cgraph.c (cgraph_analyze_queue): New.
15311 (cgraph_add_new_function): New.
15312 * cgraph.h (cgraph_analyze_queue): Declare.
15313 (cgraph_add_new_function): Declare.
15314 (cgraph_lower_function): Remove.
15315 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15316 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15317 and TYPE_P nodes in its default clause.
15318 (empty_body_p): New.
15319 (tree_range_check_failed): New.
15320 (build5_stat): New.
15321 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15322 OMP_CLAUSE_REDUCTION_MERGE,
15323 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15324 OMP_CLAUSE_PRIVATE_DEBUG,
15325 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15326 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15327 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15328 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15329 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15330 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15331 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15332 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15333 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15334 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15335 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15336 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15337 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15338 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15339 (TREE_RANGE_CHECK): New.
15340 (empty_body_p): Declare.
15341 (enum omp_clause_default_kind): New.
15342 (build_string_literal): Declare.
15343 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15344 (build5_stat, build5): Declare.
15345 * tree-pass.h (TDF_CHAIN): Define.
15346 * tree-pass.h (PROP_gimple_lomp): Define.
15347 (pass_lower_omp): Declare.
15348 * diagnostic.h (debug_tree_chain): Declare.
15349 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15351 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15352 * builtins.c (build_string_literal): Make extern.
15353 * gcc.c (include_spec_function): New.
15354 (static_spec_functions): Add it.
15355 (main): Move load of libgomp.spec ...
15356 (LINK_COMMAND_SPEC): ... here.
15357 (link_gomp_spec): New.
15358 (static_specs): Include it.
15359 (LINK_COMMAND_SPEC): Add link_gomp.
15360 (GOMP_SELF_SPECS): New.
15361 (driver_self_specs): Include it.
15362 (switch_matches): Don't mark inline.
15363 (main): Load libgomp.spec.
15364 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15365 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15366 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15367 * tree-gimple.h (enum omp_parallel): Declare.
15368 (determine_parallel_type): Declare.
15369 (omp_firstprivatize_variable): Declare.
15370 (omp_reduction_init): Declare.
15371 (diagnose_omp_structured_block_errors): Declare.
15372 (struct walk_stmt_info): Add want_return_expr.
15373 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15374 (find_omp_clause): Declare.
15375 (insert_field_into_struct): Declare.
15376 (struct walk_stmt_info): Move from tree-nested.c
15377 (walk_stmts): Declare.
15378 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15380 * cgraphunit.c (cgraph_lower_function): Make static.
15381 (cgraph_finalize_pending_functions): New.
15382 (cgraph_finalize_function): Call it.
15383 (cgraph_finalize_compilation_unit): Likewise.
15384 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15385 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15386 (BT_FN_UINT_UINT): New.
15387 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15388 DEF_FUNCTION_TYPE_VAR_4): Document.
15389 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15390 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15391 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15392 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15393 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15394 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15395 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15396 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15397 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15398 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15399 into separate files.
15400 (DEF_GOMP_BUILTIN): New.
15401 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15402 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15403 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15404 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15405 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15406 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15407 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15408 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15409 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15410 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15411 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15412 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15413 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15414 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15415 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15416 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15417 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15418 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15419 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15420 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15421 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15422 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15423 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15424 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15425 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15426 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15427 * sync-builtins.def: New file, moved from builtins.def.
15428 * omp-builtins.def: New file, moved from builtins.def.
15429 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15430 * gimple-low.c (lower_function_body): Clear data.
15431 (lower_stmt): Do not handle COMPOUND_EXPR.
15432 Remove call to print_node_brief.
15433 * c-tree.h (c_finish_omp_clauses): New prototype.
15434 (C_DECL_THREADPRIVATE_P): Define.
15435 (lookup_name_no_remap, c_omp_remap_private): Remove
15436 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15437 (check_for_loop_decls): Update decl.
15438 (lookup_name_no_remap, c_omp_remap_private): Declare.
15439 (build_indirect_ref, build_modify_expr, pushdecl,
15440 pushdecl_top_level): Move to c-common.h.
15441 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15442 before the switch, but just in the 2 places that need it.
15443 * c-decl.c (diagnose_mismatched_decls): Do not check for
15444 mismatched thread-local attributes when OLDDECL is marked
15445 threadprivate and NEWDECL has no thread-local attributes.
15446 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15447 (c_gimple_diagnostics_recursively): Rename from
15448 c_warn_unused_result_recursively. Invoke
15449 diagnose_omp_structured_block_errors.
15450 (check_for_loop_decls): Return a singular decl found.
15451 * langhooks.c (lhd_omp_predetermined_sharing): Return
15452 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15453 (lhd_omp_firstprivatize_type_sizes): New.
15454 (lhd_omp_assignment): New.
15455 (lhd_omp_predetermined_sharing): New.
15456 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15457 (struct lang_hooks_for_types): Add
15458 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15459 omp_predetermined_sharing, omp_disregard_value_expr,
15460 omp_private_debug_clause, omp_clause_default_ctor,
15461 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15462 (c_finish_omp_clauses): New.
15463 (c_finish_bc_stmt): Diagnose break within omp for.
15464 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15465 (build_unary_op): Return error_mark after reporting
15467 (build_modify_expr): Likewise.
15468 * gimplify.c: Include optabs.h and pointer-set.h.
15469 (enum gimplify_omp_var_data): Declare.
15470 (struct gimplify_omp_ctx): Declare.
15471 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15473 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15474 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15475 (splay_tree_compare_decl_uid): New.
15476 (new_omp_context): New.
15477 (delete_omp_context): New.
15478 (gimple_add_tmp_var): Call omp_add_variable.
15479 (gimplify_bind_expr): Likewise.
15480 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15481 true, disregard DECL_VALUE_EXPR on the decl if any.
15482 (gimplify_expr_in_ctx): New.
15483 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15484 omp_add_variable, omp_notice_variable, omp_is_private
15485 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15486 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15487 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15488 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15489 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15490 gimplify_omp_atomic): New.
15491 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15492 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15493 OMP_CRITICAL and OMP_ATOMIC.
15494 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15495 * c-pragma.h (enum pragma_kind): Add
15496 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15497 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15498 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15499 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15500 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15501 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15502 PRAGMA_OMP_THREADPRIVATE.
15503 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15504 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15505 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15506 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15507 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15508 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15509 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15510 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15511 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15512 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15513 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15514 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15515 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15517 (struct nesting_info): Add field_map,
15518 suppress_expansion, debug_var_chain.
15519 (create_nesting_tree): Initialize them.
15520 (lookup_field_for_decl): Use field_map.
15521 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15522 (convert_local_omp_clauses): New.
15523 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15524 (walk_body): Split out of walk_function.
15525 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15526 (convert_nonlocal_reference): Handle omp statements.
15527 (convert_local_reference): Likewise.
15528 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15529 (unnest_nesting_tree): New.
15530 (lower_nested_functions): Call it.
15531 (insert_field_into_struct): Make extern.
15532 (struct walk_stmt_info): Move to tree-gimple.h.
15533 (walk_stmts): Make extern.
15534 * omp-builtins.def: New file.
15535 * tree-iterator.c (expr_only): Clarify comment.
15536 * c-common.h (pushdecl_top_level, pushdecl,
15537 build_modify_expr, build_indirect_ref,
15538 c_finish_omp_master, c_finish_omp_critical,
15539 c_finish_omp_ordered, c_finish_omp_barrier,
15540 c_finish_omp_atomic, c_finish_omp_flush,
15541 c_finish_omp_for, c_split_parallel_clauses,
15542 omp_clause_default_kind, c_omp_sharing_predetermined,
15543 c_omp_remap_decl): Declare.
15544 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15545 (OBJS-common): Add omp-low.o.
15546 (c-omp.o, omp-low.o): Add.
15547 (gimplify.o): Add dependency on $(OPTABS_H).
15548 (GTFILES): Add omp-low.c.
15549 (gt-stringpool.h): Add.
15550 * tree-cfg.c (set_bb_for_stmt): Do not update the
15551 block-to-labels map if we are currently expanding to RTL.
15552 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15554 Handle IDENTIFIER_NODE.
15555 (tree_verify_flow_info): Do not ICE when emitting error
15556 messages about invalid labels.
15557 (dump_function_to_file): Reset CFUN before emitting the body
15559 (debug_function): New.
15560 * passes.c (init_optimization_passes): Schedule
15562 * langhooks-def.h (lhd_omp_predetermined_sharing,
15563 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15565 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15566 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15567 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15568 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15569 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15570 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15571 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15572 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15573 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15574 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15575 (LANG_HOOK_DECLS): Use them.
15577 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15578 Richard Henderson <rth@redhat.com>
15579 Jakub Jelinek <jakub@redhat.com>
15580 Diego Novillo <dnovillo@redhat.com>
15582 * c-parser.c (pragma_omp_clause): Define.
15583 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15584 (c_parser_compound_statement): Likewise.
15585 (c_parser_statement): Likewise.
15586 (c_parser_pragma): Handle omp pragmas.
15587 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15588 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15589 (c_parser_omp_clause_name, check_no_duplicate_clause,
15590 c_parser_omp_variable_list,
15591 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15592 c_parser_omp_clause_copyprivate,
15593 c_parser_omp_clause_default,
15594 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15595 c_parser_omp_clause_lastprivate,
15596 c_parser_omp_clause_nowait,
15597 c_parser_omp_clause_num_threads,
15598 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15599 c_parser_omp_clause_reduction,
15600 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15601 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15602 c_parser_omp_atomic, c_parser_omp_barrier,
15603 c_parser_omp_critical, c_parser_omp_flush,
15604 c_parser_omp_for_loop, c_parser_omp_for,
15605 c_parser_omp_master, c_parser_omp_ordered,
15606 c_parser_omp_sections_scope, c_parser_omp_sections,
15607 c_parser_omp_parallel, c_parser_omp_single,
15608 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15609 * c-pragma.c (init_pragma): Do omp pragma registration here.
15610 * c.opt (fopenmp): New flag.
15612 2006-01-18 Eric Christopher <echristo@apple.com>
15614 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15615 * config/darwin.h (GOMP_SELF_SPECS): Define.
15617 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15619 * rtl.h: Remove the prototype for reg_alloc.
15621 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15624 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15625 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15626 sjlj and dwarf2 exception handling.
15627 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15628 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15629 * pa/pa.c (function_value): Treat complex and vector types as
15631 (function_arg): Likewise. Only pass scalar floats in the floating
15632 point argument registers.
15633 * pa/t-slibgcc-dwarf-ver: New file.
15634 * pa/t-slibgcc-sjlj-ver: New file.
15635 * pa/t-slibgcc-elf-ver: Delete file.
15637 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15639 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15640 unlikely_test_section_p test.
15642 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15644 * mode-switching.c (optimize_mode_switching): Make it static.
15645 * basic-block.h: Remove the prototype for
15646 optimize_mode_switching.
15648 * modulo-sched.c (sms_schedule): Make it static.
15649 * rtl.h: Remove the prototype for sms_schedule.
15651 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15652 * rtl.h: Remove the prototype for gcse_after_reload_main.
15654 * reg-stack.c (reg_to_stack): Make it static.
15655 * rtl.h: Remove the prototype for reg_to_stack.
15657 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15659 * rtl.h: Remove the prototypes for regrename_optimize and
15660 copyprop_hardreg_forward.
15662 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15664 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15665 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15666 Test against the appropriate null constant for the mode.
15667 If 'fixup_overlap' is true, swap the operands if they overlap.
15668 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15669 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15670 alpha_split_tmode_pair and adjust for above change.
15671 * config/alpha/alpha.md (movtf_internal): Adjust call to
15672 alpha_split_tfmode_pair and rely on it to swap the operands.
15673 (movti_internal): New insn and post-reload splitter.
15674 (movti): New expander.
15676 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15678 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15681 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15683 * rtlanal.c (global_reg_mentioned_p_1,
15684 global_reg_mentioned_p): Remove.
15685 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15687 * flow.c (initialize_uninitialized_subregs): Make it static.
15688 * rtl.h: Remove the prototype for
15689 initialize_uninitialized_subregs.
15691 * function.c (instantiate_virtual_regs): Make it static.
15692 * function.h: Remove the prototype for
15693 instantiate_virtual_regs.
15695 * regmove.c (regmove_optimize, combine_stack_adjustments):
15697 * rtl.h: Remove the prototypes for regmove_optimize and
15698 combine_stack_adjustments.
15700 2006-01-17 Roger Sayle <roger@eyesopen.com>
15702 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15703 (size_cost): Encode costs in bytes so that a reg-reg addition is
15704 equivalent to COSTS_N_INSNS(1).
15705 (override_options): Use the size_cost.branch_cost as the default
15706 ix86_branch_cost when optimizing for size.
15708 2006-01-18 Ben Elliston <bje@au.ibm.com>
15710 * Makefile.in (D32PBIT_FUNCS): New.
15711 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15712 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15713 D64PBIT_FUNCS and D128PBIT_FUNCS.
15714 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15715 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15717 (decnumber_dep): Define.
15718 * doc/libgcc.texi (Decimal float library routines): New node.
15719 * config/dfp-bit.h, config/dfp-bit.c: New files.
15721 2006-01-18 Ben Elliston <bje@au.ibm.com>
15723 * expr.c (emit_move_change_mode): Always adjust addresses, not
15724 just during reload. Copy replacements only during reload.
15725 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15726 emit_move_via_integer.
15728 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15730 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15731 instead of $(srcdir) and ${srcdir}.
15733 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15736 PR middle-end/11135
15737 * arm.h (struct machine_function): Add pic_reg.
15738 * arm.c (arm_pic_register): Make unsigned.
15739 (arm_override_options): Only set arm_pic_register if
15740 TARGET_SINGLE_PIC_BASE.
15741 (use_return_insn): Only test for a pic register if it is fixed.
15742 (arm_compute_save_reg0_reg12_mask): Likewise.
15743 (thumb_compute_save_reg_mask): Likewise.
15744 (legitimate_pic_operand): Factor out some known invariants.
15745 (legitimize_pic_address): If we don't have a fixed pic register,
15746 then set up a pseudo in the function entry sequence. Handle the
15747 pic base being in a pseudo.
15748 (arm_load_pic_register): Handle the pic register being in a pseudo.
15749 (arm_expand_prologue): Only set up the pic register if it is fixed.
15750 (thumb_expand_prologue): Likewise.
15751 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15752 (pic_load_addr_based_insn): Likewise.
15753 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15756 2006-01-18 Ben Elliston <bje@au.ibm.com>
15758 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15759 decimal float modes for all floating point registers.
15761 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15762 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15764 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15767 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15768 even when the pointer is not NULL.
15770 2006-01-16 Ian Lance Taylor <ian@airs.com>
15772 * common.opt (ftoplevel-reorder): New option.
15773 * cgraph.c (cgraph_asm_nodes): New global variable.
15774 (cgraph_asm_last_node): New static variable.
15775 (cgraph_order): New global variable.
15776 (cgraph_create_node): Set new order field.
15777 (cgraph_varpool_node): Likewise.
15778 (decide_is_variable_needed): Return true if not
15779 flag_toplevel_reorder.
15780 (cgraph_add_asm_node): New function.
15781 * cgraph.h (struct cgraph_node): Add order field.
15782 (struct cgraph_varpool_node): Add order field.
15783 (struct cgraph_asm_node): Define.
15784 (cgraph_asm_nodes, cgraph_order): Declare.
15785 (cgraph_add_asm_node): Declare.
15786 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15788 (cgraph_varpool_assemble_pending_decls): Call it.
15789 (cgraph_output_pending_asms): New static function.
15790 (cgraph_finalize_compilation_unit): Call it.
15791 (struct cgraph_order_sort): Define.
15792 (cgraph_output_in_order): New static function.
15793 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15794 !flag_toplevel_reorder case.
15795 * c-parser.c: Include "cgraph.h".
15796 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15798 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15799 than -fno-unit-at-a-time.
15800 * doc/invoke.texi (Option Summary): Mention
15801 -fno-toplevel-reorder.
15802 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15803 -funit-at-a-time documentation.
15805 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15806 Kazu Hirata <kazu@codesourcery.com>
15808 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15810 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15812 * Makefile.in (FUNCTION_H): New. Use it instead of
15813 function.h throughout the file.
15814 * function.h: Include tree.h.
15816 2006-01-17 Ben Elliston <bje@au.ibm.com>
15818 * recog.c: Separate some functions with whitespace.
15820 2006-01-16 Richard Henderson <rth@redhat.com>
15822 Merge from gomp branch:
15823 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15824 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15825 and rename from struct inline_data. Rename callee* to dst*;
15826 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15827 transform_new_cfg, transform_return_to_modify, and
15828 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15830 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15831 (copy_decl_for_dup): Remove.
15832 * tree-inline.c (struct inline_data): Move to header.
15833 (insert_decl_map): Export.
15834 (remap_decl): Update for member name changes. Use copy_decl hook.
15835 Allow for replacement to be a non-decl. Remove dead code.
15836 (remap_type_1): Check for existing mapping.
15837 (remap_type): Export.
15838 (remap_decls): Update for member name changes.
15839 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15840 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15841 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15842 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15843 (tree_function_versioning, build_duplicate_type): Likewise.
15844 (copy_body_r): Likewise. Export.
15845 (copy_decl_for_dup): Split into ...
15846 (copy_decl_for_dup_finish, copy_decl_to_var,
15847 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15848 (replace_ref_tree, inlining_p): Remove.
15850 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15852 * ifcvt.c (if_convert): Make it static.
15853 * rtl.h: Remove the prototype for if_convert.
15855 * local-alloc.c (local_alloc): Make it static.
15856 * rtl.h: Remove the prototype for local_alloc.
15858 * loop.c (loop_optimize): Make it static.
15859 * cfgloop.h: Remove the prototype for loop_optimize.
15862 2006-01-16 DJ Delorie <dj@redhat.com>
15864 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15867 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15869 * pa.md: Disparage copies between general and floating-point registers
15870 in 32-bit move patterns.
15872 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15875 * Makefile.in (check-%): Depend on site.exp instead of
15876 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15879 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15881 * global.c (global_alloc): Make it static.
15882 * rtl.h: Remove the prototype for global_alloc.
15884 2006-01-16 Richard Guenther <rguenther@suse.de>
15886 * tree-ssa-alias.c (struct used_part): Add write_only field.
15887 (get_or_create_used_part_for): Initialize it to true.
15888 (create_overlap_variables_for): Don't create structure variables
15889 for structures that only are written to.
15890 (find_used_portions): Handle MODIFY_EXPR to track whether a
15891 structure is only written to.
15893 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15895 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15897 * basic-block.h: Remove the prototype for
15898 partition_hot_cold_basic_blocks.
15900 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15902 * cppspec.c (lang_specific_spec_functions): Remove.
15903 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15904 * gcc.h (lang_specific_spec_functions): Remove.
15905 * gccspec.c (lang_specific_spec_functions): Remove.
15907 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15909 * combine.c (record_value_for_reg): Invalidate registers
15911 (record_dead_and_set_regs_1): Likewise, by passing them to
15912 record_value_for_reg.
15913 (record_dead_and_set_regs): Invalidate stores made by a
15914 call. We do not combine across a call, but we still
15915 relied on equivalences.
15917 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15919 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15920 vrp_int_const_binop returning non-constant nodes.
15922 2006-01-16 Paul Brook <paul@codesourcery.com>
15924 * config/m68k/m68k.c (output_move_const_into_data_reg):
15925 Output correct mnemonic for mvz and mvs.
15927 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15929 * rtl-factoring.c: Add sequence abstraction algorithm.
15930 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15931 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15933 (block_has_preserve_label): New function.
15934 * common.opt: Register new pass.
15935 * Makefile.in: Ditto.
15937 * timevar.def: Ditto.
15938 * tree-pass.h: Ditto.
15939 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15940 * rtl.h (make_jump_insn_raw): Add forward decl.
15941 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15943 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15944 Roger Sayle <roger@eyesopen.com>
15946 * fold-const.c (fold_minmax): New static function.
15947 (fold_binary) <MIN_EXPR>: Call it.
15948 <MAX_EXPR>: Likewise.
15949 * stor-layout.c (place_field): Use DECL_SIZE consistently
15950 in the computation of the new record size.
15952 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15954 * cse.c (cse_condition_code_reg): Make it static.
15955 * rtl.h: Remove the prototype for cse_condition_code_reg.
15957 * combine.c (combine_instructions): Make it static.
15958 * rtl.h: Remove the prototype for combine_instructions.
15960 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15963 * tree.c (get_file_function_name_long): Concatenate the first global
15964 object name with a string derived from the input filename of the object
15967 2006-01-16 Ben Elliston <bje@au.ibm.com>
15969 * config/i386/winnt-stubs.c: Update FSF address.
15970 * config/xtensa/ieee754-df.S: Ditto.
15971 * config/xtensa/ieee754-sf.S: Ditto.
15973 2006-01-14 Ian Lance Taylor <ian@airs.com>
15975 * ifcvt.c (noce_init_if_info): New static function, broken out of
15976 noce_process_if_block.
15977 (noce_process_if_block): Call noce_init_if_info.
15978 (check_cond_move_block): New static function.
15979 (cond_move_process_if_block): New static function.
15980 (process_if_block): Call cond_move_process_if_block.
15982 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15984 * cselib.c (hash_table): Rename to cselib_hash_table.
15985 (cselib_clear_table, discard_useless_values,
15986 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15987 cselib_init, cselib_finish): Adjust uses of hash_table.
15989 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15991 PR tree-optimization/25485
15992 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15993 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15994 is known to be false and true, respectively.
15996 2006-01-14 Richard Guenther <rguenther@suse.de>
15998 PR tree-optimization/22548
15999 PR tree-optimization/22555
16000 PR tree-optimization/22501
16001 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16002 * params.def (salias-max-array-elements): New parameter.
16003 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16004 * doc/invoke.texi (salias-max-array-elements): Document.
16005 * tree-flow-inline.h (var_can_have_subvars): We also handle
16007 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16009 * tree-ssa-structalias.c (params.h): Include.
16010 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16011 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16012 (get_constraint_for): For ADDR_EXPR operating on something
16013 containing an ARRAY_REF, add all subvars to the solution.
16014 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16015 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16016 for creating MUST_DEFs.
16017 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16019 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16021 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16023 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16024 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16025 number_of_iterations_le): New functions.
16026 (number_of_iterations_special): Removed.
16027 (number_of_iterations_exit): Do not use number_of_iterations_special.
16028 * tree.c (unsigned_type_for): Always return integer type.
16030 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16031 Richard Guenther <rguenther@suse.de>
16033 PR rtl-optimization/24257
16034 * gcse.c (find_moveable_store): Only consider a store movable
16035 when the SET_SRC of the insn can be assigned to a register.
16037 2006-01-14 Ian Lance Taylor <ian@airs.com>
16039 * tree.c (tree_not_class_check_failed): New function.
16040 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16041 (tree_not_class_check_failed): Declare.
16043 2006-01-13 Ian Lance Taylor <ian@airs.com>
16045 * reload1.c (do_output_reload): Add assertion rejecting a
16048 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16050 * combine.c (struct reg_stat): Add new fields truncation_label and
16052 (record_value_for_reg): Reset truncated_to_mode.
16053 (record_truncated_value): New function.
16054 (check_promoted_subreg): Call it. Rename to check_conversions.
16055 (combine_instructions): Rename check_promoted_subreg to
16057 (reg_truncated_to_mode): New function.
16058 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16059 (gen_lowpart_or_truncate): New function.
16060 (force_to_mode): Use it instead of gen_lowpart.
16062 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16064 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16065 VAR is a tag, not its type tag.
16067 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16069 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16070 alternatives to match style of other entries.
16071 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16073 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16075 PR tree-optimization/25771
16076 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16079 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16082 * tree-inline.c (declare_return_variable): If the return variable
16083 was marked as a non gimple complex, set the return slot variable
16084 to be a non gimple comple variable.
16086 2006-01-13 Richard Guenther <rguenther@suse.de>
16088 * builtins.c (expand_builtin_sincos): New function.
16089 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16091 (expand_builtin): Expand sincos using expand_builtin_sincos.
16093 2006-01-12 DJ Delorie <dj@redhat.com>
16095 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16096 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16097 so that constant shifts can be split.
16098 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16099 (m32c_valid_pointer_mode): Make static.
16100 (shift_gen_func_for): New.
16101 (m32c_prepare_shift): Use it. Split large const shifts into
16103 * config/m32c/predicates.md (shiftcount_operand): Allow more
16105 (longshiftcount_operand): New.
16106 * doc/md.texi (Machine Constraints): Document In6.
16108 2006-01-13 Ben Elliston <bje@au.ibm.com>
16110 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16111 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16114 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16116 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16117 to try to avoid clobbering pieces of structures when we know
16118 something about the whole structure.
16119 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16121 2006-01-13 Ben Elliston <bje@au.ibm.com>
16123 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16124 return in memory, as this is no limitation is no longer present.
16126 2006-01-12 DJ Delorie <dj@redhat.com>
16128 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16129 mova with fb, and for fb+0 -> An.
16131 * config/m32c/mov.md (peephole2): Fix enabling logic.
16133 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16134 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16135 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16136 FINI_ARRAY_SECTION_ASM_OP): Define.
16138 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16140 (m32c_legitimize_reload_address): New logic to reload FB to An.
16141 (m32c_output_reg_push): Add newline.
16142 (m32c_output_reg_pop): Likewise.
16144 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16146 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16148 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16150 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16152 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16154 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16157 2006-01-11 Ben Elliston <bje@au.ibm.com>
16159 * rtlanal.c (find_reg_note): Assert insn is not null.
16161 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16163 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16166 2006-01-11 Jeff Law <law@redhat.com>
16168 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16170 (mark_threaded_blocks, register_jump_thread): New functions.
16171 (thread_through_all_blocks): Remove unwanted argument. No
16172 longer rely on e->aux to communicate thread target info.
16173 Call mark_threaded_blocks. Release the threaded_blocks
16174 bitmap and threaded_edges vector when complete.
16175 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16176 (threaded_blocks): Remove.
16177 (tree_ssa_dominator_optimize): Remove initialization and
16178 finalization of threaded_blocks. Simplify call to
16179 thread_through_all_blocks.
16180 (thread_across_edge): Call register_jump_thread rather than
16181 storing thread information into e->aux.
16182 (free_all_edge_infos): Simplify now that e->aux is no longer
16183 used to communicate with thread_through_all_blocks.
16184 * tree-flow.h (thread_through_all_blocks): Update prototype.
16185 (register_jump_thread): Prototype.
16187 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16189 * df-core.c (df_compact_blocks, df_bb_replace): Use
16190 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16192 2006-01-11 Richard Guenther <rguenther@suse.de>
16194 PR tree-optimization/25734
16195 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16196 stop propagation after successful propagation to the LHS.
16198 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16200 * basic-block.h (control_flow_graph): Change the type of
16201 x_basic_block_info to VEC(basic_block,gc) *.
16202 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16204 (SET_BASIC_BLOCK): New.
16205 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16206 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16207 * cfgbuild.c (find_basic_blocks): Likewise.
16208 * cfglayout.c (fixup_reorder_chain): Likewise.
16209 * cfgrtl.c (create_basic_block_structure,
16210 rtl_create_basic_block): Likewise.
16211 * ifcvt.c (find_if_case_1): Likewise.
16212 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16215 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16217 * Makefile.in: Removed rotted odf.c entry.
16219 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16222 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16223 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16224 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16225 output pattern modifier, not %e.
16226 * config/cris/cris.c (cris_op_str): Update comment about pattern
16228 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16229 before falling through into...
16230 <case 'E'>: Redefined from old 'e' case.
16232 2006-01-11 Jan Hubicka <jh@suse.cz>
16235 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16237 2006-01-11 Jan Hubicka <jh@suse.cz>
16239 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16240 * i386.c (x86_decompose_lea): Kill.
16241 (ix86_rtx_costs): Kill.
16243 2006-01-11 Jan Hubicka <jh@suse.cz>
16245 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16246 * cgraph.h (cgraph_node): Add inline_decl.
16247 (cgraph_insert_node_to_hashtable): Declare.
16248 (save_inline_function_body): Declare.
16249 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16251 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16252 (cgraph_function_versioning): Update call of tree_function_versioning.
16253 (save_inline_function_body): New function.
16254 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16255 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16256 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16257 (cgraph_default_inline_p): Likewise.
16258 (cgraph_decide_inlining_incrementally): Likewise.
16259 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16260 (copy_bb): Kill saving; do updating of clones.
16261 (copy_cfg_body): Kill saving.
16262 (initialize_inlined-parameters): Likewise.
16263 (expand_call_inline): Likewise.
16265 (tree_function_versioning): New parameter "update_clones".
16266 (inlining_p): Kill saving.
16267 * tree-inline.h (tree_function_versioning): Update prototype.
16268 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16271 2006-01-11 Ian Lance Taylor <ian@airs.com>
16273 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16274 Allow undoing set of machine mode.
16275 (do_SUBST): Use enums instead of is_int.
16276 (do_SUBST_MODE): New function.
16277 (SUBST_MODE): New macro.
16278 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16279 reg and trying to replace reg_regno_rtx with a new register.
16280 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16281 (simplify_set): Use SUBST_MODE.
16282 (distribute_notes): Remove code that tried to update reg notes
16283 for regno_reg_rtx changes.
16285 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16287 PR tree-optimization/23109
16288 PR tree-optimization/23948
16289 PR tree-optimization/24123
16291 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16292 * tree-cfg.c (single_noncomplex_succ): New.
16293 * tree-flow.h (single_noncomplex_succ): Declare it.
16294 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16295 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16296 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16297 insert_bb, register_division_in, insert_reciprocals,
16298 replace_reciprocal, free_bb): New.
16299 (execute_cse_reciprocals_1): Rewritten.
16300 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16301 Do not commit any edge insertion. Always compute dominators and
16302 create the allocation pool.
16303 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16304 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16305 * targhooks.c (default_min_divistions_for_recip_mul): New.
16306 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16307 * passes.c (init_optimization_passes): Run recip after tree loop
16309 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16311 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16312 Kenneth Zadeck <zadeck@naturalbridge.com>
16314 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16315 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16316 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16317 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16318 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16319 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16320 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16321 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16322 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16323 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16324 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16325 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16326 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16327 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16328 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16329 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16330 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16331 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16332 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16333 DF_SCAN_POST_ALLOC): New macros.
16334 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16335 df_free_bb_function, df_local_compute_function, df_init_function,
16336 df_dataflow_function, df_confluence_function_0,
16337 df_confluence_function_n, df_transfer_function,
16338 df_finalizer_function, df_free_function, df_dump_problem_function,
16339 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16340 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16341 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16342 df_urec_bb_info, ) New types.
16343 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16345 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16346 df_analyze_simple_change_some_blocks,
16347 df_analyze_simple_change_one_block, df_compact_blocks,
16348 df_bb_replace, df_bb_regno_last_use_find,
16349 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16350 df_insn_regno_def_p, df_find_def, df_find_use,
16351 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16352 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16353 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16354 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16355 debug_df_chain, df_get_dependent_problem, df_chain_create,
16356 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16357 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16358 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16359 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16360 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16361 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16362 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16363 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16364 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16365 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16366 df_reorganize_refs, df_set_state, df_hard_reg_init,
16367 df_read_modify_subreg_p) New public functions.
16368 * df-core.c: The core dataflow solver and glue routines for rtl
16370 (df_init, df_add_problem, df_set_blocks, df_finish,
16371 df_hybrid_search_forward, df_hybrid_search_backward,
16372 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16373 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16374 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16375 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16376 df_reg_defined, df_find_use, df_reg_used, df_dump,
16377 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16378 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16379 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16380 debug_df_useno, reset_df_after_reload): New functions.
16381 * df-scan.c: The scanning fuctions, once in df.c, completely
16382 rewritten so that they now fully model the functionality of
16383 register usage at the backend.
16384 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16385 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16386 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16387 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16388 df_get_artificial_defs, df_get_artificial_uses,
16389 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16390 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16391 df_refs_delete, df_reorganize_refs, df_set_state,
16392 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16393 df_def_record_1, df_defs_record, df_uses_record,
16394 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16395 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16396 df_record_exit_block_uses, df_hard_reg_init): New functions.
16398 * df-problems.c: Seven concrete dataflow problems that use the
16399 scanning in df-scan.c and are solved by the engine in df-core.c.
16400 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16401 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16402 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16403 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16404 df_ru_free_bb_info, df_ru_alloc,
16405 df_ru_bb_local_compute_process_def,
16406 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16407 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16408 df_ru_transfer_function, df_ru_free, df_ru_dump,
16409 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16410 df_rd_free_bb_info, df_rd_alloc,
16411 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16412 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16413 df_rd_transfer_function, df_rd_free, df_rd_dump,
16414 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16415 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16416 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16417 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16418 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16419 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16420 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16421 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16422 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16423 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16424 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16425 df_urec_mark_reg_use_for_earlyclobber,
16426 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16427 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16428 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16429 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16430 df_chain_create_bb_process_use, df_chain_create_bb,
16431 df_chain_finalize, df_chain_free, df_chains_dump,
16432 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16433 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16434 df_reg_lifetime): New functions.
16435 * df.c: Deleted file.
16436 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16437 consistent with new df api.
16438 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16439 rest_of_handle_sms): Ditto.
16440 * web.c (unionfind_union, union_defs, entry_register, web_main):
16442 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16443 invariant_expr_equal_p, find_defs, check_dependencies,
16444 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16445 free_inv_motion_data, move_loop_invariants): Ditto.
16446 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16447 Update dependencies.
16448 (odf.c): Added defective entry that was deleted later in day.
16449 * sched-deps.c (sched_analyze_1): Ditto.
16451 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16453 * tree-ssa-operands.c (get_expr_operands): Record addressable
16454 variables directly. Do not call add_stmt_operands for CONST_DECLs
16456 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16457 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16459 2006-01-11 Ben Elliston <bje@au.ibm.com>
16461 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16462 function returns true in the positive case.
16464 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16467 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16468 for SI, DI, SF and DF modes. Add alternatives to copy between
16469 general and floating point registers to the 32-bit patterns.
16470 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16471 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16472 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16473 generating 64-bit code.
16474 * config/pa/pa.c (output_move_double): Handle copies between general
16475 and floating registers.
16477 2006-01-10 Stuart Hastings <stuart@apple.com>
16479 * config/i386/i386.md (set_got): Update.
16480 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16481 (builtin_setjmp_receiver): Mach-O support.
16482 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16483 (GOT_SYMBOL_NAME): Define.
16484 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16485 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16486 * config/i386/i386.c (override_options): Revise for Darwin.
16487 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16488 support. (darwin_x86_file_end): New. (output_set_got): Add label
16489 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16490 * config/i386/i386-protos.h (output_set_got): Likewise.
16491 * config/darwin.c (machopic_legitimize_pic_address): Update
16494 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16496 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16497 when MODE isn't BLKmode.
16499 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16501 PR rtl-optimization/25367
16502 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16504 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16507 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16508 for a negative bound.
16510 2006-01-10 Richard Guenther <rguenther@suse.de>
16512 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16513 Never override with anything constraint.
16515 2006-01-10 Jan Beulich <jbeulich@novell.com>
16517 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16518 256 bits when optimize_size.
16520 2006-01-10 Jan Beulich <jbeulich@novell.com>
16522 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16524 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16525 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16528 2006-01-10 Ben Elliston <bje@au.ibm.com>
16530 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16532 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16533 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16534 (USE_FP_FOR_ARG): Reject decimal float modes.
16535 (function_arg_advance): Likewise.
16536 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16537 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16538 point types in AltiVec vectors.
16539 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16540 (rs6000_libcall_value): Likewise.
16542 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16544 * config/xtensa/ieee754-df.S: New file.
16545 * config/xtensa/ieee754-sf.S: New file.
16546 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16547 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16548 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16550 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16552 * config/sh/predicates.md (binary_float_operator,
16553 binary_logical_operator, commutative_float_operator,
16554 equality_comparison_operator, greater_comparison_operator,
16555 less_comparison_operator, logical_operator,
16556 noncommutative_float_operator, shift_operator,
16557 symbol_ref_operand, unary_float_operator): Remove redundant
16560 2006-01-09 Jeff Law <law@redhat.com>
16562 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16563 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16564 now unused arguments. Callers updated.
16565 (eliminate_redundant_computations): Remove now unused arguments,
16567 (local_fold): Remove, no longer used.
16568 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16570 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16571 (simplify_cond): New function.
16572 (forward_propagate_into_cond): Call simplify_cond.
16574 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16576 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16577 (*vec_extractv2di_1_sse): New.
16579 2006-01-09 Ben Elliston <bje@au.ibm.com>
16581 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16583 2006-01-08 Richard Guenther <rguenther@suse.de>
16585 * tree-ssa-structalias.c (get_constraint_for): Remove
16586 anyoffset argument.
16587 (get_constraint_for_component_ref): Likewise.
16588 (do_deref): Likewise.
16589 (get_constraint_for): Likewise.
16590 (do_structure_copy): Likewise.
16591 (handle_ptr_arith): Likewise.
16592 (find_func_aliases): Likewise. Remove unused need_anyoffset
16595 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16596 Kaz Kojima <kkojima@gcc.gnu.org>
16598 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16599 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16600 (EXTRA_CONSTRAINT_C16): Remove.
16601 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16602 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16603 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16604 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16605 constants of SHmedia. Handle nested constant expressions of
16607 (andcosts): Fix the costs for SHmedia constants.
16608 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16609 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16610 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16611 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16612 (movv4hi_i, movv2si_i): Likewise.
16613 (movsi_const): Adjust the second operand of ior so to match with
16614 the Csu constraint.
16615 (movdi_const, movdi_const_32bit): Likewise.
16616 (movdi_const_16bit+1): Don't sign-extend LOW.
16617 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16619 (*double_shori): Fix the split condition. Use GEN_INT instead
16620 of get_int_mode calls. Mask lower 16-bit of the argument of
16622 (sym2GOTPLT): Remove.
16623 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16625 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16626 instead of EXTRA_CONSTRAINT_C16.
16628 2006-01-07 Ian Lance Taylor <ian@airs.com>
16629 David Edelsohn <edelsohn@gnu.org>
16631 PR rtl-optimization/25662
16632 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16633 for constant operands instead of simplify_gen_binary.
16634 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16635 after trying simplify_binary_operation
16637 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16639 * tree.c (iterative_hash_expr): Hash decls based on UID.
16641 2006-01-06 Eric Christopher <echristo@apple.com>
16643 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16644 (TARGET_UNWIND_EMIT): Fix spelling.
16645 * target.h (gcc_target): Add except_table_label.
16646 * except.c (output_function_exception_table): Use.
16647 * varasm.c (default_emit_except_table_label): New.
16648 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16650 (asm_out): Add here.
16651 * output.h (default_emit_except_table_label): Prototype.
16652 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16653 * config/darwin.c (darwin_emit_except_table_label): Define.
16654 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16656 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16658 PR tree-optimization/18527
16659 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16660 number_of_iterations_special, number_of_iterations_exit):
16661 Move base and step of an iv to a single structure. Add
16662 no_overflow flag, and use it in # of iterations analysis.
16663 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16664 folded_casts argument.
16665 (simple_iv): Pass base and step in a structure. Set no_overflow
16667 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16668 Evaluate expensiveness of computing # of iterations instead of
16669 the final expression.
16670 * tree-scalar-evolution.h (affine_iv): New structure.
16671 (simple_iv): Declaration changed.
16672 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16673 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16674 find_givs_in_stmt): Changed due to simple_iv change.
16676 2006-01-06 Jeff Law <law@redhat.com>
16679 * tree-cfg.c (bsi_replace): Rename final argument from
16680 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16681 change (stmt -> orig_stmt).
16682 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16683 (bsi_remove): Add new argument. Remove EH information
16685 (verify_eh_throw_table_statements): New function.
16686 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16688 * tree-optimize.c (execute_free_cfg_annotations): Verify
16689 the EH throw statement table after removing annotations.
16690 * except.h (verify_eh_throw_table_statements): Prototype.
16691 * tree-flow.h (bsi_remove): Update prototype.
16692 * tree-vrp.c (remove_range_assertions): Add new argument to
16694 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16695 * tree-complex.c (expand_complex_div_wide): Likewise.
16696 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16697 * tree-tailcall.c (eliminate_tailcall): Likewise.
16698 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16699 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16700 * tree-nrv.c (tree_nrv): Likewise.
16701 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16702 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16703 (combine_blocks): Likewise.
16704 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16705 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16706 (cleanup_control_flow): Likewise.
16707 (remove_forwarder_block): Likewise.
16708 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16709 * tree-sra.c (sra_replace): Likewise.
16710 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16711 (forward_propagate_single_use_vars): Likewise.
16712 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16713 * tree-inline.c (expand_call_inline): Likewise.
16714 * tree-vect-transform.c (vect_transform_loop): Likewise.
16715 * tree-outof-ssa.c (rewrite_trees): Likewise.
16716 * tree-cfg.c (make_goto_expr_edges): Likewise.
16717 (cleanup_dead_labels): Likewise.
16718 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16719 (bsi_move_before, bsi_move_after): Likewise.
16720 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16721 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16723 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16726 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16728 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16729 on non gimple variables. Also add checks at the top for decls and
16731 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16733 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16734 and IMAGPART_EXPR for creating MUST_DEFs.
16735 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16736 and NAME_MEMORY_TAG separately from the DECLs.
16738 2006-01-06 Richard Guenther <rguenther@suse.de>
16740 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16741 annotation, if necessary.
16742 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16743 redundant calls to update_stmt.
16744 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16747 2006-01-05 Richard Henderson <rth@redhat.com>
16749 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16751 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16753 * c-typeck.c: Update copyright date.
16755 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16757 * c-typeck.c (build_c_cast): Always warn when casting
16758 from a pointer to an integer of different size, even if
16759 the node was constant.
16761 2006-01-05 Richard Guenther <rguenther@suse.de>
16763 PR tree-optimization/22555
16764 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16765 if one structure field is an array.
16766 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16767 operands even if we found a subvar, but ignore VOPs in this
16769 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16771 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16773 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16775 PR middle-end/24998
16776 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16778 2006-01-05 Richard Guenther <rguenther@suse.de>
16779 Diego Novillo <dnovillo@redhat.com>
16781 * tree-pass.h (TODO_remove_unused_locals): Define.
16782 * gimple-low.c (expand_var_p, remove_useless_vars,
16783 pass_remove_useless_vars): Remove. Update all users.
16784 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16785 (remove_unused_locals): New function.
16786 * tree-flow.h (remove_unused_locals): Declare.
16787 * passes.c (execute_todo): Call remove_unused_locals if
16788 TODO_remove_unused_locals is set.
16789 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16790 * tree-ssa-dce.c (pass_dce): Likewise.
16791 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16793 2006-01-05 Richard Guenther <rguenther@suse.de>
16795 * tree-flow.h (struct fieldoff): Decompose field to
16796 type, size and decl.
16797 * tree-ssa-alias.c (create_sft): Take type as parameter.
16798 (create_overlap_variables_for): Store type, size and decl
16799 in the fieldoff structure.
16800 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16801 of struct fieldoff.
16802 (push_fields_onto_fieldstack): Likewise.
16803 (create_variable_info_for): Likewise. Use offset for the
16804 SFT name if the decl is not available.
16806 2006-01-04 Paul Brook <paul@codesourcery.com>
16808 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16810 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16812 * lambda-code.c (can_put_in_inner_loop): Relax
16814 (can_put_after_inner_loop): New function.
16815 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16816 (perfect_nestify): Change to make copies and modify uses.
16818 2006-01-04 Richard Henderson <rth@redhat.com>
16820 Merge from gomp branch:
16821 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16822 via integer constant.
16823 (pragma_lex): Remove.
16824 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16825 rather than parsing it.
16826 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16827 handle_pragma_extern_prefix): Add %< %> quotes.
16828 (registered_pragmas): New.
16829 (c_register_pragma_1): New.
16830 (c_register_pragma): Use it.
16831 (c_register_pragma_with_expansion): Likewise.
16832 (c_invoke_pragma_handler): New.
16833 (init_pragma): Use cpp_register_deferred_pragma directly for
16835 * c-pragma.h (enum pragma_kind): New.
16836 (pragma_handler): New.
16837 (c_invoke_pragma_handler): Declare.
16838 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16840 * c-common.h (c_common_pch_pragma): Update decl.
16841 * Makefile.in (c-parser.o): Update dependencies.
16842 (GTFILES): Add c-pragma.h.
16843 * c-parser.c (struct c_token): Add pragma_kind.
16844 (struct c_parser): Add in_pragma.
16845 (c_lex_one_token): Always initialize keyword and pragma_kind.
16846 Extract data for CPP_PRAGMA.
16847 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16848 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16849 Don't allow CPP_PRAGMA_EOL if in_pragma.
16850 (c_parser_consume_pragma): New.
16851 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16852 (c_parser_skip_to_end_of_parameter): Likewise.
16853 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16854 (c_parser_skip_to_pragma_eol): New.
16855 (c_parser_external_declaration): Handle CPP_PRAGMA.
16856 (c_parser_compound_statement_nostart): Likewise.
16857 (c_parser_statement_after_labels): Likewise.
16858 (c_parser_pragma): New.
16859 (pragma_lex): Likewise.
16860 (c_parser_pragma_pch_preprocess): New.
16861 (c_parser_new): Merge into ...
16862 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16864 2006-01-04 Jeff Law <law@redhat.com>
16867 * tree-cfg.c (bsi_replace): Remove the original statement
16868 from the EH throw statement table.
16870 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16872 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16873 make the prototype extern "C" and add throw ().
16876 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16877 and pos non-negative and pos + len <= 32.
16878 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16879 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16880 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16883 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16884 as well as sizes not multiple of component size.
16887 * function.c (instantiate_expr): New function.
16888 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16889 walk its DECL_VALUE_EXPR with instantiate_expr.
16891 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16892 DW_OP_deref{,_size} if address isn't going to be added.
16894 2006-01-04 Ben Elliston <bje@au.ibm.com>
16896 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16897 * config/fp-bit.c: Likewise.
16899 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16901 * dominance.c: Add comment about why we use DFS numbering
16904 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16905 Richard Henderson <rth@redhat.com>
16907 Merge from gomp-branch:
16908 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16909 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16911 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16913 PR rtl-optimization/25578
16914 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16915 pass a parameter to simplify_shift_const if changing ASHIFTRT
16918 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16920 * builtins.c (get_builtin_sync_mem): New function.
16921 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16922 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16923 Call get_builtin_sync_mem to generate mem rtx.
16925 2006-01-03 Richard Guenther <rguenther@suse.de>
16928 * stmt.c (add_case_node): Make sure to clear overflow flags
16931 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16933 Merge from gomp-branch.
16934 * config/sparc/sync.md: New file.
16935 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16936 UNSPECV_LDSTUB): New constants.
16937 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16938 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16939 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16942 2006-01-03 Roger Sayle <roger@eyesopen.com>
16944 * combine.c (reg_subword_p): New predicate to test whether the
16945 destination of a set refers to a subword/piece of a register.
16946 (try_combine): Generalize the code to merge the setting of a
16947 pseudo to a constant followed by a set of a subword of that
16948 register to a constant.
16950 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16952 * basic-block.h (control_flow_graph): Change the type of
16953 x_label_to_block_map to VEC(basic_block,gc) *.
16954 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16955 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16957 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16958 VEC(basic_block,heap) *.
16959 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16960 ssa_prop_fini): Adjust the uses of cfg_blocks.
16962 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16964 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16966 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16967 hashing trees instead of a pointer hash.
16968 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16969 compare for MEM_EXPR.
16971 PR rtl-optimization/25130
16972 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16973 when comparing MEMs for GCSE
16975 2006-01-03 Ben Elliston <bje@au.ibm.com>
16977 * targhooks.h (default_decimal_float_supported_p): Declare.
16978 * targhooks.c (default_decimal_float_supported_p): Define.
16979 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16980 `default_decimal_float_supported_p'.
16981 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16983 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16985 * combine.c (apply_distributive_law <SUBREG>): Check
16986 TRULY_NOOP_TRUNCATION.
16988 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16990 * dwarf2out.c (have_switched_text_section): Delete.
16991 (have_multiple_function_sections): New.
16992 (have_location_lists): Make 'bool'.
16993 (add_AT_loc_list): Use 'true' not '1'.
16994 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16995 (output_loc_list): Use have_multiple_function_sections.
16996 (output_ranges): Likewise.
16997 (dwarf2out_begin_function): Set have_multiple_function_sections if
16999 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17000 Check function_section rather than DECL_SECTION_NAME.
17001 (dwarf2out_finish): Use have_multiple_function_sections.
17002 Don't clear have_location_lists.
17004 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17005 Jan Hubicka <jh@suse.cz>
17007 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17008 case of conditional jump jumping to the next instruction.
17009 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17010 cases of conditional jump jumping to the next instruction.
17012 2006-01-02 Jan Hubicka <jh@suse.cz>
17014 * i386.c (*_cost): Add COSTS_N_INSNS.
17015 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17017 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17020 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17022 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17024 * config/arm/arm.c (all_fpus): Fix comment typo.
17025 * config/darwin.c: Likewise.
17026 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17027 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17028 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17030 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17032 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17033 (rs6000_split_compare_and_swapqhi): New.
17034 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17035 (sync_compare_and_swapqhi_internal): New.
17036 * config/rs6000/rs6000-protos.h: Declare.