1 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5 * gthr-posix95.h (__gthread_active_p): Likewise.
7 2006-10-31 Richard Guenther <rguenther@suse.de>
9 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
10 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
11 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
12 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
13 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
14 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
15 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
16 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
19 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
21 * opts.c (decode_options): Disable CSE skip blocks.
23 2006-10-30 Dirk Mueller <dmueller@suse.de>
25 * c-common.h (strict_aliasing_warning): Fix whitespace.
26 * c-decl (start_function): Move code for main decl warning ..
27 * c-common.c (check_main_parameter_types): .. here.
28 * c-common.h (check_main_parameter_types): Declare.
30 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
33 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
35 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
37 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
38 be a PARALLEL containing sets. Return false when out_pat is not
41 2006-10-30 Richard Sandiford <richard@codesourcery.com>
43 * config/mips/mips.md (mul<mode>3): Split into...
44 (mulsi3, muldi3): ...these separate patterns.
46 2006-10-30 Richard Sandiford <richard@codesourcery.com>
48 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
49 but with each set of options separated by spaces.
51 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
53 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
54 dwarf_reg_size_table has been initialized.
56 2006-10-30 Roger Sayle <roger@eyesopen.com>
58 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
59 * ddg.c (print_ddg_edge): Likewise.
60 * dwarf2out.c (prune_unused_types_walk): Likewise.
61 * ifcvt.c (noce_try_cmove_arith): Likewise.
62 * langhooks.c (add_builtin_function): Likewise.
63 * reg-stack.c (subst_stack_regs_pat): Likewise.
64 * tree.c (expanded_location): Likewise.
65 * tree-dump.c (dequeue_and_dump): Likewise.
67 2006-10-30 David Daney <ddaney@avtrex.com>
69 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
71 2006-10-30 Jakub Jelinek <jakub@redhat.com>
73 PR tree-optimization/29637
74 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
75 of the innertype is the innertype itself.
77 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
79 * dwarf2out.c (file_name_acquire): Correct typo.
81 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
83 * tree.h (tree_value_handle): Remove struct value_set declaration.
84 Change value_set to bitmap_set.
85 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
86 * tree-vn.c (get_value_handle): Made inline and moved to
88 * tree-flow-inline.h: (has_stmt_ann): New function.
89 * tree-ssa-pre.c (expressions): New variable.
90 (next_expression_id): Ditto.
91 (alloc_expression_id): New function.
92 (struct value_set): Remove.
93 (get_expression_id): New function.
94 (get_or_alloc_expression_id): Ditto.
95 (expression_for_id): Ditto.
96 (clear_expression_ids): Ditto.
97 (FOR_EACH_EXPR_ID_IN_SET): New macro.
98 (bb_value_sets): Renamed to bb_bitmap_sets.
99 All value sets replaced with bitmap_sets.
101 (BB_VISITED): New macro.
102 (postorder): New variable.
103 (add_to_value): Removed.
104 (value_exists_in_set_bitmap): Ditto.
105 (value_insert_into_set_bitmap): Ditto.
109 (set_contains_value): Ditto.
110 (insert_into_set): Ditto.
112 (find_leader): Ditto.
113 (bitmap_set_subtract_from_value_set): Ditto.
114 (value_insert_into_set): Ditto.
115 (print_value_set): Ditto.
116 (debug_value_set): Ditto.
117 (constant_expr_p): New function.
118 (bitmap_remove_from_set): Ditto.
119 (bitmap_insert_into_set): Ditto.
120 (bitmap_set_free): Ditto.
122 (sorted_array_from_bitmap_set): Ditto.
123 (bitmap_set_subtract): Ditto.
124 (bitmap_set_equal): Ditto.
125 (debug_bitmap_set): Ditto.
126 (find_leader_in_sets): Ditto.
127 (bitmap_set_replace_value): Modify for bitmapped sets.
128 (phi_translate): Ditto.
129 (phi_translate_set): Ditto.
130 (bitmap_find_leader): Ditto.
131 (valid_in_sets): Ditto.
132 (union_contains_value): Ditto.
134 (compute_antic_aux): Ditto. Mark changed blocks.
135 (compute_antic): Ditto. Iterate in postorder and only over
137 (compute_rvuse_and_antic_safe): Reuse postorder.
138 (create_component_ref_by_pieces): Modify for bitmapped sets.
139 (find_or_generate_expression): Ditto.
140 (create_expression_by_pieces): Ditto.
141 (insert_into_preds_of_block): Ditto.
142 (changed_blocks): New variable.
143 (do_regular_insertion): Broken out from insert_aux.
144 (insert_aux): Modified for bitmapped sets.
145 (find_existing_value_expr): New function.
146 (create_value_expr_from): Use it.
147 (insert_extra_phis): Removed.
148 (print_bitmap_set): Renamed from bitmap_print_value_set.
149 (compute_avail): Handle RETURN_EXPR.
150 (init_pre): Modify for bitmapped sets.
151 * tree-flow.h (has_stmt_ann): New function.
153 2006-10-29 Roger Sayle <roger@eyesopen.com>
155 * builtins.c (fold_builtin_floor): Check for the availability of
156 the C99 trunc function before transforming floor into trunc.
158 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * builtins.c (fold_builtin_hypot): Rearrange recursive
161 transformation before others, and also do ABS_EXPR. When
162 necessary, check flag_unsafe_math_optimizations. When necessary,
165 2006-10-29 Roger Sayle <roger@eyesopen.com>
167 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
168 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
169 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
170 Fold -X eq/ne -Y as X eq/ne Y.
172 2006-10-29 Richard Sandiford <richard@codesourcery.com>
174 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
175 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
176 rather than GENERATE_MULT3_SI in the various define_peephole2s.
177 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
178 Use an inclusive test for "mult" rather than "mul".
179 (rotr<mode>3): Depend on ISA_HAS_ROR.
180 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
182 (GENERATE_MULT3_DI): Delete.
183 (ISA_HAS_64BIT_REGS): Use consistent formatting.
184 (ISA_HAS_MUL3): New macro.
185 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
186 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
187 (ISA_HAS_CLZ_CLO): Likewise.
188 (ISA_HAS_DCLZ_DCLO): Delete.
189 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
190 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
191 the VR4120 and VR4130.
192 (ISA_HAS_MACCHI): Use consistent formatting.
193 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
194 (ISA_HAS_ROR): ...this new macro.
195 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
196 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
197 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
199 2006-10-29 Roger Sayle <roger@eyesopen.com>
201 PR tree-optimization/15458
202 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
205 2006-10-29 Richard Guenther <rguenther@suse.de>
207 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
208 (ix86_expand_truncdf_32): Likewise.
209 * config/i386/i386.c (ix86_expand_trunc): New function expanding
210 trunc inline for SSE math and -fno-trapping-math and if not
212 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
213 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
214 for expanding btrunc inline for SSE math.
216 2006-10-29 Joseph Myers <joseph@codesourcery.com>
218 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
219 Handle tuning for bi-arch i[34567]86-*-linux* like that for
220 i[34567]86-*-solaris2.1[0-9]*.
221 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
222 Define conditionally depending on TARGET_64BIT_DEFAULT.
223 (SPEC_32, SPEC_64): Define.
224 (LINK_SPEC): Use them.
225 * doc/install.texi (--enable-targets=all): Document for x86-linux.
227 2006-10-29 Richard Guenther <rguenther@suse.de>
229 * config/i386/i386-protos.h (ix86_expand_round): Declare.
230 (ix86_expand_rounddf_32): Likewise.
231 * config/i386/i386.c (ix86_expand_round): New function expanding
232 round inline for SSE math and -fno-trapping-math and if not
234 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
235 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
236 round via ix86_expand_round.
238 2006-10-29 Richard Guenther <rguenther@suse.de>
240 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
241 (ix86_expand_floorceildf_32): Likewise.
242 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
243 static helper function.
244 (ix86_expand_floorceil): Expander for floor and ceil to SSE
246 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
247 * config/i386/i386.md (floordf2): Adjust to enable floor
248 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
249 -fno-trapping-math is enabled and if not optimizing for size.
250 (floorsf2, ceildf2, ceilsf2): Likewise.
251 * config/i386/sse.md (sse_maskcmpsf3): New insn.
252 (sse2_maskcmpdf3): Likewise.
254 2006-10-29 Richard Guenther <rguenther@suse.de>
256 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
257 rint in case -fno-trapping-math is enabled.
258 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
259 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
260 (ix86_expand_sse_fabs): Likewise.
261 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
262 * config/i386/i386.md (rintdf2): Enable for SSE math if
263 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
266 2006-10-29 Richard Guenther <rguenther@suse.de>
268 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
269 to conversion optabs.
270 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
272 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
273 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
274 (lfloor_optab, lceil_optab): Adjust defines.
275 * builtins.c (expand_builtin_int_roundingfn): Adjust for
276 lfloor and lceil optabs now being conversion optabs.
277 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
278 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
279 New static helper function.
280 (ix86_expand_lfloorceil): New function to expand lfloor and
282 * config/i386/i386.md (lfloor<mode>2): Split into ...
283 (lfloorxf<mode>2): ... x87 variant
284 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
285 using ix86_expand_lfloorceil.
286 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
288 * doc/md.texi (lfloorMN, lceilMN): Document.
290 2006-10-29 Richard Sandiford <richard@codesourcery.com>
292 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
293 -mno-shared assembler option on mips targets.
294 * configure, config.in: Regenerate.
295 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
296 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
297 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
299 2006-10-29 Richard Sandiford <richard@codesourcery.com>
301 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
302 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
304 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
306 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
307 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
310 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
314 (fold_builtin_pow): Evaluate constant arguments at compile-time
316 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
317 (do_mpfr_ckconv): New helper function.
318 (do_mpfr_arg1): Use do_mpfr_ckconv.
321 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
324 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
325 (-fdump-rtl-sched): Rename to ..
326 (-fdump-rtl-sched1): here. Also fix file extension number.
328 2006-10-28 Richard Guenther <rguenther@suse.de>
330 * fold-const.c (maybe_canonicalize_comparison): Fix code
333 2006-10-28 Uros Bizjak <uros@kss-loka.si>
335 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
336 (NON_QI_REG_P): Use IN_RANGE.
337 (REX_INT_REGNO_P): Use IN_RANGE.
338 (FP_REGNO_P): Use IN_RANGE.
339 (SSE_REGNO_P): Use IN_RANGE.
340 (REX_SSE_REGNO_P): Use IN_RANGE.
341 (MMX_REGNO_P): Use IN_RANGE.
342 (STACK_REGNO_P): New macro.
343 (STACK_REG_P): Use STACK_REGNO_P.
344 (NON_STACK_REG_P): Use STACK_REGNO_P.
345 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
346 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
347 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
348 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
349 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
351 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
353 * except.h (output_function_exception_table): Add 'const char*' param.
354 * except.c (switch_to_exception_section): Add 'const char*' param.
355 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
356 and flag_function_sections is set, use a function-specific section.
357 (output_function_exception_table): Add 'const char*' param.
358 Adjust call to switch_to_exception_section.
359 * final.c (rest_of_handle_final): Adjust calls to
360 output_function_exception_table.
361 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
362 * config.in: Regenerate.
363 * configure: Likewise.
365 2006-10-28 Richard Guenther <rguenther@suse.de>
368 * fold-const.c (maybe_canonicalize_comparison_1): Helper
369 for maybe_canonicalize_comparison.
370 (maybe_canonicalize_comparison): New function for canonicalizing
372 (fold_comparison): Call it to canonicalize comparisons with
375 2006-10-28 Richard Guenther <rguenther@suse.de>
378 * builtins.c (expand_builtin_int_roundingfn_2): Expand
379 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
380 (expand_builtin): Adjust likewise.
381 * genopinit.c (optabs[]): Add lround optab.
382 * optabs.c (init_optabs): Initialize lround_optab.
383 * optabs.h (enum convert_optab_index): Add COI_lround.
384 (lround_optab): Define.
385 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
386 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
388 (ix86_expand_lround): New function.
389 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
391 * doc/md.texi (lroundMN2): Document.
393 2006-10-28 Uros Bizjak <uros@kss-loka.si>
396 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
397 argument to HOST_WIDE_INT. Update function prototype.
398 (round_frame_size): Change return type to HOST_WIDE_INT. Change
399 "size" argument to HOST_WIDE_INT. Update function prototype.
401 2006-10-28 Uros Bizjak <uros@kss-loka.si>
403 * config/i386/i386.c (output_387_ffreep): Create output from a
404 template string for !HAVE_AS_IX86_FFREEP.
406 2006-10-27 Eric Christopher <echristo@apple.com>
408 * config/darwin.c: Fix formatting and grammar.
410 2006-10-27 Jan Hubicka <jh@suse.cz>
412 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
413 to be thrown away soon when IGNORE is set.
414 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
415 indicating when return value shall not be computed.
416 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
418 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
420 * config/i386/i386.h (TARGET_GEODE):
421 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
422 (TARGET_CPU_DEFAULT_geode): New macro.
423 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
424 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
425 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
426 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
427 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
429 (TARGET_CPU_DEFAULT_NAMES): Add geode.
430 (processor_type): Add PROCESSOR_GEODE.
432 * config/i386/i386.md: Include geode.md.
435 * config/i386/i386.c (geode_cost): New initialized global
437 (m_GEODE, m_K6_GEODE): New macros.
438 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
439 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
440 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
441 x86_schedule): Use m_K6_GEODE instead of m_K6.
442 (x86_movx, x86_cmove): Set up m_GEODE.
443 (x86_integer_DFmode_moves): Clear m_GEODE.
444 (processor_target_table): Add entry for geode.
445 (processor_alias_table): Ditto.
447 * config/i386/geode.md: New file.
449 * doc/invoke.texi: Add entry about geode processor.
451 2006-10-27 Mike Stump <mrs@apple.com>
453 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
454 __DYNAMIC__ from here back to ...
455 * config/darwin.h (CPP_SPEC): ... here.
457 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
458 Nathan Sidwell <nathan@codesourcery.com>
460 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
461 when choosing the minimum heapsize.
463 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
465 * gcc/unwind-dw2.h: Move cfa-related variables into
466 struct frame_state_reg_info to ensure that the CFA is properly
467 handled when executing DW_CFA_{remember,restore}_state.
468 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
469 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
470 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
471 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
472 gcc/config/rs6000/linux-unwind.h,
473 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
474 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
475 Modify to use new cfa_* fields.
477 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
479 * config/s390/s390.c (s390_init_frame_layout): Check positive
482 2006-10-26 Ben Elliston <bje@au.ibm.com>
484 * gimplify.c (get_name): Remove extraneous break.
485 (gimplify_omp_for): Initialise ret with GS_OK.
487 2006-10-25 Steve Ellcey <sje@cup.hp.com>
489 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
490 Add unix98.o to link line.
492 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
495 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
496 Calculate compile-time constants using MPFR.
497 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
498 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
500 2006-10-25 Bob Wilson <bob.wilson@acm.org>
502 * config/xtensa/lib2funcs.S: Use C-style comments.
504 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
506 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
507 (file_table_relative_p): Likewise.
508 (dwarf2out_finish): Likewise.
509 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
511 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
513 * tree-ssa-structalias.c (intra_create_variable_infos):
514 Don't recreate nonlocal_all if it already exists.
516 2006-10-25 Richard Guenther <rguenther@suse.de>
519 * optabs.h (enum optab_index): Remove OTI_lrint.
520 (enum convert_optab_index): Add COI_lrint.
521 (lrint_optab): Adjust.
522 (expand_sfix_optab): Declare.
523 * optabs.c (expand_sfix_optab): New function.
524 (init_optabs): Init lrint_optab as conversion optab.
525 * genopinit.c (lrint_optab): Change to a conversion optab.
526 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
527 expansion via conversion optab.
528 * config/i386/i386.md (*fistdi2_1): Remove
529 flag_unsafe_math_optimizations guard.
530 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
531 fist<mode>2_with_temp): Likewise.
532 (lrint<mode>2): Split into...
533 (lrintxf<mode>2): ... x87 part
534 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
535 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
536 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
537 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
538 * doc/md.texi (lrintMN2): Document.
540 2006-10-25 Uros Bizjak <uros@kss-loka.si>
543 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
544 Use inc and dec instructions for TARGET_USE_INCDEC.
545 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
546 ("sync_double_compare_and_swap<mode>"): Likewise.
547 ("*sync_double_compare_and_swapdi_pic"): Likewise.
548 ("*sync_compare_and_swap_cc<mode>"): Likewise.
549 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
550 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
551 ("sync_old_add<mode>"): Likewise.
552 ("sync_lock_test_and_set<mode>"): Likewise.
553 ("sync_lock_test_and_set<mode>"): Likewise.
554 ("sync_add<mode>"): Likewise.
555 ("sync_sub<mode>"): Likewise.
556 ("sync_ior<mode>"): Likewise.
557 ("sync_and<mode>"): Likewise.
558 ("sync_xor<mode>"): Likewise.
560 2006-10-25 Uros Bizjak <uros@kss-loka.si>
562 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
563 (remainder_optab): Define corresponding macro.
564 (drem_optab): Remove.
565 * optabs.c (init_optabs): Initialize remainder_optab. Remove
566 drem_optab initialization.
567 * genopinit.c (optabs): Implement remainder_optab using
568 remainder?f3 patterns. Remove drem_optab.
569 * builtins.c (expand_builtin_mathfn_2): Handle
570 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
571 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
572 expand_builtin_mathfn_2.
574 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
575 depend on flag_unsafe_math_optimizations.
577 * config/i386/i386.md ("remaindersf3", "remainderdf3")
578 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
579 Do not depend on flag_unsafe_math_optimizations. Use
580 truncxf?f expander instead of truncxf?f_i387_noop.
582 ("fpremxf4", "fprem1xf4"): Do not depend on
583 flag_unsafe_math_optimizations.
584 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
585 flag_unsafe_math_optimizations. Use truncxf?f expander
586 instead of truncxf?f_i387_noop.
588 * doc/md.texi (fmod, remainder): Document standard named pattern.
590 2006-10-24 Richard Sandiford <richard@codesourcery.com>
591 David Daney <ddaney@avtrex.com>
594 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
596 2006-10-25 Ben Elliston <bje@au.ibm.com>
598 * doc/extend.texi (Variable Attributes): Typo fix.
600 2006-10-24 Uros Bizjak <uros@kss-loka.si>
602 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
603 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
604 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
605 (FRAME_POINTER_REGNUM): Update register number to 21.
606 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
607 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
609 * config/i386/i386.c (regclass_map): Add fpcr entry.
610 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
612 (print_reg): Assert REGNO (x) != FPCR_REG.
614 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
615 (DIRFLAG_REG): Renumber.
616 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
617 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
618 (sse_prologue_save, *sse_prologue_save_insn): Renumber
619 hardcoded SSE register numbers.
621 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
622 hardcoded MMX register numbers.
624 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
628 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
630 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
631 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
632 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
633 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
635 2006-10-24 Richard Guenther <rguenther@suse.de>
638 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
639 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
640 for deciding optimizations in consistency with fold-const.c
641 (fold_builtin_unordered_cmp): Likewise.
643 2006-10-24 Richard Guenther <rguenther@suse.de>
645 * builtins.c (fold_builtin_floor): Fold floor (x) where
646 x is nonnegative to trunc (x).
647 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
648 nonnegative to FIX_TRUNC_EXPR.
650 2006-10-24 Richard Guenther <rguenther@suse.de>
652 PR tree-optimization/29567
653 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
654 for TRUTH_NOT_EXPR. Clarify comments.
656 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
659 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
660 at compile-time using MPFR. Change parameter VALUE to FUNC,
662 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
663 for overflow and underflow at all times and avoid folding in
666 2006-10-24 Ben Elliston <bje@au.ibm.com>
668 * reload1.c: Formatting fixes.
670 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
672 PR tree-optimization/14784
673 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
674 * tree-ssa-structalias.c (get_constraint_for,
675 intra_create_variable_infos): Set is_heapvar.
676 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
677 non-heapvar pointer variables specially.
679 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * builtins.c (fold_builtin_sin, fold_builtin_cos,
683 fold_builtin_tan): Fold all constant arguments. Take a "type"
684 argument as necessary.
686 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
688 2006-10-23 Bob Wilson <bob.wilson@acm.org>
690 * config/xtensa/lib1funcs.asm: Use C-style comments.
692 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
694 * tree.c (local_define_builtin): Replace calls to
695 lang_hooks.builtin_function with add_builtin_function.
696 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
698 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
700 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
701 common code to add_builtin_function.
702 * langhooks.c (add_builtin_function): New function.
703 (lhd_builtin_function): New function.
704 * langhooks.h (struct lang_hooks): Change the signature of
706 (add_builtin_function): New function.
707 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
708 calls to lang_hooks.builtin_function with add_builtin_function.
709 * c-common.c (decl_builtin_1): Replace calls to
710 lang_hooks.builtin_function with add_builtin_function.
711 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
712 lang_hooks.builtin_function with add_builtin_function.
713 * config/frv/frv.c (def_builtin): Replace calls to
714 lang_hooks.builtin_function with add_builtin_function.
715 * config/s390/s390.c (s390_init_builtins): Replace calls to
716 lang_hooks.builtin_function with add_builtin_function.
717 * config/sparc/sparc.c (def_builtin): Replace calls to
718 lang_hooks.builtin_function with add_builtin_function.
719 * config/i386/i386.c (def_builtin): Replace calls to
720 lang_hooks.builtin_function with add_builtin_function.
721 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
722 lang_hooks.builtin_function with add_builtin_function.
723 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
724 lang_hooks.builtin_function with add_builtin_function.
725 * config/stormy16/stormy16.c (xstormy16_init_builtins):
726 Replace calls to lang_hooks.builtin_function with
727 add_builtin_function.
728 * config/iq2000/iq2000.c (def_builtin):
729 Replace calls to lang_hooks.builtin_function with
730 add_builtin_function.
731 * config/ia64/ia64.c (def_builtin): Replace calls to
732 lang_hooks.builtin_function with add_builtin_function.
733 * config/rs6000/rs6000.c (def_builtin): Replace calls to
734 lang_hooks.builtin_function with add_builtin_function.
735 (altivec_init_builtins): Replace calls to
736 lang_hooks.builtin_function with add_builtin_function.
737 * config/arm/arm.c (def_mbuiltin): Replace calls to
738 lang_hooks.builtin_function with add_builtin_function.
739 (arm_init_tls_builtins): Replace calls to
740 lang_hooks.builtin_function with add_builtin_function.
741 * config/mips/mips.c (mips_init_builtins): Replace calls to
742 lang_hooks.builtin_function with add_builtin_function.
743 * config/bfin/bfin.c (def_builtin): Replace calls to
744 lang_hooks.builtin_function with add_builtin_function.
745 * langhooks-def.h (lhd_builtin_function): New function.
746 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
748 2006-10-23 Jakub Jelinek <jakub@redhat.com>
750 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
751 BUILT_IN_STRNCAT_CHK.
753 2006-10-23 Jan Hubicka <jh@suse.cz>
755 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
756 don't do conversion from memmove to memcpy here.
757 (expand_builtin_bcopy, expand_builtin): Update call of
758 expand_builtin_memmove.
759 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
761 2006-10-23 Paul Brook <paul@codesourcery.com>
763 * stor-layout.c (start_record_layout): maximum_field_alignment
764 overrides STRUCTURE_SIZE_BOUNDARY.
766 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
768 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
769 nonlocal function symbols if flag_pic.
771 2006-10-23 Richard Guenther <rguenther@suse.de>
775 * builtins.c (fold_binary): Remove checks for flag_wrapv
776 and flag_trapv where negate_expr_p covers these cases.
778 2006-10-23 Richard Guenther <rguenther@suse.de>
781 * fold-const.c (fold_plusminus_mult_expr): Check exact power
782 of two on the absolute value.
783 (fold_binary): Fold x * -C to -x * C if x is easily negatable
784 and negating -C does not overflow.
786 2006-10-23 Richard Guenther <rguenther@suse.de>
789 * convert.c (convert_to_real): Fold (float)-x to -(float)x
790 only if not flag_rounding_math.
792 2006-10-22 Richard Sandiford <richard@codesourcery.com>
793 Kaz Kojima <kkojima@gcc.gnu.org>
796 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
797 SImode memory reference for the source of a movua.
798 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
799 (movua): Use an unspec instead of sign_extract. Expect the source
800 to have mode BLKmode.
801 (extv, insv): Use a BLKmode rather than SImode memory reference
802 for the source of a movua.
804 2006-10-22 Jeff Law <law@redhat.com>
805 Richard Guenther <rguenther@suse.de>
807 PR tree-optimization/15911
808 * tree-vrp.c (extract_code_and_val_from_cond): New function.
809 (register_edge_assert_for_1): Likewise.
810 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
811 (find_conditional_asserts): Adjust for new function signature.
812 (find_assert_locations): Likewise.
814 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
816 * config/i386/tmmintrin.h: Remove the duplicated content.
818 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
820 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
821 (x86_64-*-*): Likewise.
823 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
824 (override_options): Check SSSE3.
825 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
826 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
827 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
828 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
829 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
830 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
831 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
832 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
833 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
834 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
835 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
836 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
837 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
838 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
839 IX86_BUILTIN_PABSD128.
840 (bdesc_2arg): Add SSSE3.
841 (bdesc_1arg): Likewise.
842 (ix86_init_mmx_sse_builtins): Support SSSE3.
843 (ix86_expand_builtin): Likewise.
844 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
846 * config/i386/i386.md (UNSPEC_PSHUFB): New.
847 (UNSPEC_PSIGN): Likewise.
848 (UNSPEC_PALIGNR): Likewise.
849 Include mmx.md before sse.md.
851 * config/i386/i386.opt: Add -mssse3.
853 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
854 (ssse3_phaddwv4hi3): Likewise.
855 (ssse3_phadddv4si3): Likewise.
856 (ssse3_phadddv2si3): Likewise.
857 (ssse3_phaddswv8hi3): Likewise.
858 (ssse3_phaddswv4hi3): Likewise.
859 (ssse3_phsubwv8hi3): Likewise.
860 (ssse3_phsubwv4hi3): Likewise.
861 (ssse3_phsubdv4si3): Likewise.
862 (ssse3_phsubdv2si3): Likewise.
863 (ssse3_phsubswv8hi3): Likewise.
864 (ssse3_phsubswv4hi3): Likewise.
865 (ssse3_pmaddubswv8hi3): Likewise.
866 (ssse3_pmaddubswv4hi3): Likewise.
867 (ssse3_pmulhrswv8hi3): Likewise.
868 (ssse3_pmulhrswv4hi3): Likewise.
869 (ssse3_pshufbv16qi3): Likewise.
870 (ssse3_pshufbv8qi3): Likewise.
871 (ssse3_psign<mode>3): Likewise.
872 (ssse3_psign<mode>3): Likewise.
873 (ssse3_palignrti): Likewise.
874 (ssse3_palignrdi): Likewise.
875 (abs<mode>2): Likewise.
876 (abs<mode>2): Likewise.
878 * config/i386/tmmintrin.h: New file.
880 * doc/extend.texi: Document SSSE3 built-in functions.
882 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
884 2006-10-22 Ira Rosen <irar@il.ibm.com>
886 * tree-vect-transform.c (vectorizable_load): Use the type of the
887 return value of the mask_for_load builtin to create realign_load
890 2006-10-22 Richard Sandiford <richard@codesourcery.com>
892 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
895 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
897 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
898 (UNSPEC_LDDQU): This.
899 * config/i386/sse.md (sse3_lddqu): Updated.
901 2006-10-21 Richard Guenther <rguenther@suse.de>
903 * builtins.c (expand_builtin_int_roundingfn_2): New function.
904 (expand_builtin): Use it to expand lrint instead of
905 expand_builtin_mathfn.
907 2006-10-21 Uros Bizjak <uros@kss-loka.si>
910 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
911 flag_unsafe_math_optimizations is set.
913 2006-10-21 Uros Bizjak <uros@kss-loka.si>
916 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
917 patterns to use memory input operand in x87->mem->XMM
918 reload sequences. Skip transformation for TARGET_K8.
920 2006-10-21 Uros Bizjak <uros@kss-loka.si>
922 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
923 force operand1 to register if both operands are memory operands.
924 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
925 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
926 if both operands are memory operands.
927 (truncdfsf2): Do not force operand1 to register if both operands
930 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
932 * Makefile.in (LIBS): Add $(GMPLIBS).
933 * doc/install.texi: Update GMP and MPFR requirements.
934 * doc/sourcebuild.texi (need_gmp): Delete.
936 2006-10-21 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/3511
939 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
940 got new invariant arguments during PHI translation.
942 2006-10-21 Richard Guenther <rguenther@suse.de>
945 * fold-const.c (fold_comparison): Fold signed comparisons
946 of the form X +- C1 CMP Y +- C2.
948 2006-10-21 Richard Guenther <rguenther@suse.de>
951 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
952 if flag_unsafe_math_optimizations is specified. We have
953 flag_finite_math_only for that.
954 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
955 or flag_unsafe_math_optimizations.
957 2006-10-21 Richard Guenther <rguenther@suse.de>
959 * builtins.c (fold_builtin_classify): Fix typo.
961 2006-10-21 Richard Guenther <rguenther@suse.de>
964 * simplify-rtx.c (simplify_const_relational_operation):
965 Do not constant-fold ORDERED and UNORDERED for
966 flag_unsafe_math_optimizations but only we do not need to
967 honor NaNs for the given mode.
969 2006-10-21 Richard Guenther <rguenther@suse.de>
972 * config/i386/i386.c (classify_argument): Remove redundant
973 walking of the BINFOs.
974 (contains_128bit_aligned_vector_p): Likewise.
976 2006-10-20 Mark Mitchell <mark@codesourcery.com>
978 * BASE-VER: Set to 4.3.0.
980 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
982 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
983 (tree_decl_with_vis): Remove artificial_pta_var flag.
984 * tree-flow.h (referenced_var_check_and_insert): Expose.
985 (nonlocal_all): New prototype.
986 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
987 (nonlocal_all): Make global.
988 (nonlocal_lookup): Remove.
989 (nonlocal_insert): Ditto.
990 (create_nonlocal_var): Do not call nonlocal_insert.
991 (get_nonlocal_id_for_type): Remove.
992 (find_global_initializers): Mark new vars we find for renaming.
993 (intra_create_variable_infos): Only create one nonlocal.
994 (expand_nonlocal_solutions): Remove.
995 (compute_points_to_sets): Don't call it.
996 (ipa_pta_execute): Ditto.
997 (init_alias_heapvars): Don't create nonlocal_for_type.
998 (delete_alias_heapvars): Don't remove it.
999 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1002 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1004 * doc/install.texi (Downloading GCC): Clarify mention of
1005 Fortran in the "full distribution" description.
1007 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1009 Fix PR tree-optimization/28778
1010 Fix PR tree-optimization/29156
1011 Fix PR tree-optimization/29415
1012 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1013 (tree_decl_with_vis): Add artificial_pta_var flag.
1014 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1015 pushed into callers.
1016 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1017 (nonlocal_all): Ditto.
1018 (struct variable_info): Add directly_dereferenced member.
1019 (var_escaped_vars): New variable.
1020 (escaped_vars_tree): Ditto.
1021 (escaped_vars_id): Ditto.
1022 (nonlocal_vars_id): Ditto.
1023 (new_var_info): Set directly_dereferenced.
1024 (graph_size): New variable
1025 (build_constraint_graph): Use graph_size.
1026 (solve_graph): Don't process constraints that cannot change the
1027 solution, don't try to propagate an empty solution to our
1029 (process_constraint): Set directly_dereferenced.
1030 (could_have_pointers): New function.
1031 (get_constraint_for_component_ref): Don't process STRING_CST.
1032 (nonlocal_lookup): New function.
1033 (nonlocal_insert): Ditto.
1034 (create_nonlocal_var): Ditto.
1035 (get_nonlocal_id_for_type): Ditto.
1036 (get_constraint_for): Allow results vector to be empty in the case
1037 of string constants.
1038 Handle results of calls properly.
1039 (update_alias_info): Update alias info stats on number and type of
1041 (find_func_aliases): Use could_have_pointers.
1042 (make_constraint_from_escaped): Renamed from
1043 make_constraint_to_anything, and changed to make constraints from
1045 (make_constraint_to_escaped): New function.
1046 (find_global_initializers): Ditto.
1047 (create_variable_info_for): Make constraint from escaped to any
1048 global variable, and from any global variable to the set of
1050 (intra_create_variable_infos): Deal with escaped instead of
1051 pointing to anything.
1052 (set_uids_in_ptset): Do type pruning on directly dereferenced
1054 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1055 (init_base_vars): Fix comment, and initialize escaped_vars.
1056 (need_to_solve): Removed.
1057 (find_escape_constraints): New function.
1058 (expand_nonlocal_solutions): Ditto.
1059 (compute_points_to_sets): Call find_escape_constraints and
1060 expand_nonlocal_solutions.
1061 (delete_points_to_sets): Don't fall off the end of the graph.
1062 (init_alias_heapvars): Initialize nonlocal_for_type and
1064 (delete_alias_heapvars): Free nonlocal_for_type and null out
1067 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1069 * fold-const.c (add_double): Rename to add_double_with_sign.
1070 Add 'unsigned_p' parameter and take it into account for the overflow.
1071 (mul_double): Rename to mul_double_with_sign.
1072 Add 'unsigned_p' parameter and take it into account for the overflow.
1073 (fold_div_compare): Call add_double_with_sign instead of add_double
1074 and mul_double_with_sign instead of mul_double, passing them the
1075 unsignedness of the type.
1076 * tree.h (add_double): Macroize.
1077 (add_double_with_sign): New prototype.
1078 (mul_double): Macroize.
1079 (mul_double_with_sign): New prototype.
1081 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1083 * config/score/crti.asm: New file.
1084 * config/score/crtn.asm: New file.
1085 * config/score/elf.h: New file.
1086 * config/score/mac.md: New file.
1087 * config/score/misc.md: New file.
1088 * config/score/mul-div.S: New file.
1089 * config/score/predicates.md: New file.
1090 * config/score/score7.md: New file.
1091 * config/score/score.c: New file.
1092 * config/score/score-conv.h: New file.
1093 * config/score/score.h: New file.
1094 * config/score/score.md: New file.
1095 * config/score/score-mdaux.c: New file.
1096 * config/score/score-mdaux.h: New file.
1097 * config/score/score-modes.def: New file.
1098 * config/score/score.opt: New file.
1099 * config/score/score-protos.h: New file.
1100 * config/score/score-version.h: New file.
1101 * config/score/t-score-elf: New file.
1102 * config.gcc: Add score*-*-* configurations(Update before).
1103 * doc/invoke.texi (Score Options): New section.
1104 * doc/md.texi (Score family): New section to document constraints.
1106 2006-10-19 Nick Clifton <nickc@redhat.com>
1108 * config/arm/arm.c: Fix spelling typo.
1110 2006-10-18 Tom Tromey <tromey@redhat.com>
1112 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1114 2006-10-18 Jan Hubicka <jh@suse.cz>
1117 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1120 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1122 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1123 TSI_SAME_STMT, since that's the desired entity.
1125 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1127 * config/s390/contraints.md: New file.
1128 * config/s390/s390-protos.h (s390_mem_constraint,
1129 s390_O_constraint_str, s390_N_constraint_str,
1130 s390_float_const_zero_p): Function prototypes added.
1131 * config/s390/s390.c (s390_extra_constraint_str,
1132 s390_const_double_ok_for_constraint_p,
1133 s390_const_ok_for_constraint_p): Functions removed.
1134 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1135 s390_float_const_zero_p): New functions.
1136 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1137 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1138 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1139 Macro definitions removed.
1140 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1141 s390_extra_constraint_str): Functions removed.
1143 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1144 Richard Sandiford <richard@codesourcery.com>
1147 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1148 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1150 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1152 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1153 (DWARF2_FRAME_REG_OUT): Likewise.
1154 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1155 (DWARF2_FRAME_REG_OUT): Likewise.
1157 2006-10-17 Paul Brook <paul@codesourcery.com>
1159 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1161 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1163 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1164 Standardize on "GNU Fortran" as the official name of the Fortran
1167 2006-10-16 Mike Stump <mrs@apple.com>
1169 * doc/invoke.texi (Darwin Options): Document -mkernel.
1170 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1172 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1173 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1174 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1175 (OS_MISSING_ALTIVEC): Add.
1176 * config/i386/i386.c (override_options): Add
1177 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1178 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1179 -mkernel, -static or -mdynamic-no-pic is given.
1180 (C_COMMON_OVERRIDE_OPTIONS): Add.
1181 * config/darwin.opt (fapple-kext): Add.
1183 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1184 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1186 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1187 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1188 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1189 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1190 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1191 (flag_mkernel): Add.
1192 (flag_apple_kext): Add.
1193 (TARGET_KEXTABI): Add.
1194 * config/darwin.c (darwin_handle_kext_attribute): Add.
1195 (DARWIN_VTABLE_P): Add.
1196 (darwin_binds_local_p): Add partial support for rebinding vtables
1198 (darwin_kextabi_p): Add.
1199 (darwin_override_options): Add.
1200 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1201 (darwin_kextabi_p): Add.
1202 (darwin_override_options): Add.
1203 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1204 __DYNAMIC__ and __STATIC__ here.
1206 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1208 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1209 Added mention of "make pdf" target, and Texinfo requirements for
1212 2006-10-16 DJ Delorie <dj@redhat.com>
1214 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1215 into the GOT in case we need a subreg of the address.
1217 2006-10-16 Richard Guenther <rguenther@suse.de>
1220 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1221 SSE builtin documentation. Document SSE2 builtins.
1223 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1225 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1226 symbol in the output file for non-shared links when -nostdlib or
1227 -nodefaultlibs isn't specified.
1229 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1230 posix thread support.
1232 2006-10-15 Jan Hubicka <jh@suse.cz>
1235 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1236 declared always_inline even when not inlining.
1238 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1239 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1240 Andrew Pinski <pinskia@gmail.com>
1243 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1245 2006-10-15 Jan Hubicka <jh@suse.cz>
1246 Richard Guenther <rguenther@suse.de>
1249 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1250 process_function_and_variable_attributes on all variables, including
1251 those discovered during cgraph construction phase.
1253 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1255 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1257 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1259 * config/i386/athlon.md (athlon_fist): Add fisttp.
1261 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1262 Ian Lance Taylor <ian@airs.com>
1265 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1266 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1269 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1271 * config/score/score.c, config/score/score.h: Fix comment
1274 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1280 2006-10-13 Eric Christopher <echristo@apple.com>
1282 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1284 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1287 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1288 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1289 alignment supported by 32-bit ELF.
1291 2006-10-13 Eric Christopher <echristo@apple.com>
1293 * config/darwin.c (darwin_emit_unwind_label): Strip
1294 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1296 2006-10-13 Richard Guenther <rguenther@suse.de>
1298 PR tree-optimization/29446
1299 * tree-vrp.c (fix_equivalence_set): Remove.
1300 (extract_range_from_assert): Do not call fix_equivalence_set.
1301 (debug_value_range): Print a newline.
1302 (compare_name_with_value): For equivalence sets with
1303 inconsistent value ranges conservatively bail out.
1304 (compare_names): Likewise.
1306 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1308 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1309 and MPFR for gfortran.
1311 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1313 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1314 alignment supported by 32-bit ELF.
1316 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1320 * c-typeck.c (digest_init): Always allow initializing vectors
1321 that have static storage duration with compound literals.
1322 * tree.c (build_type_attribute_qual_variant): New, based on
1323 build_type_attribute_variant.
1324 (build_type_attribute_variant): Rewrite using the former.
1325 (make_vector_type): Use build_type_attribute_qual_variant to build
1326 type variants. Use type_hash_canon on the others.
1328 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1329 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1331 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1333 2006-10-12 Jan Hubicka <jh@suse.cz>
1336 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1337 current_function_decl is set but current_function_scope is not.
1339 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1341 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1342 emit_insn to emit eh_return_internal instruction.
1343 (eh_return_internal): Explicitly set pc.
1345 2006-10-11 Richard Guenther <rguenther@suse.de>
1347 PR tree-optimization/28230
1348 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1349 to the correct place.
1351 2006-10-11 Richard Guenther <rguenther@suse.de>
1354 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1357 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1359 * configure.ac: Added pdf to "Make-hooks"
1360 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1361 targets and *.pdf file patterns in cleanup targets.
1362 * configure: Regenerated.
1364 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1366 * config/avr/predicates.md: New file.
1367 * config/avr/avr.md: Include it.
1368 (REG_SP): New constant.
1369 (peepholes): Use predicates.
1370 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1371 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1372 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1374 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1376 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1379 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1382 * builtins.c (var_decl_component_p): New function.
1383 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1384 single entry optimization to variables and components thereof.
1386 2006-10-10 Richard Guenther <rguenther@suse.de>
1388 PR rtl-optimization/29323
1389 * except.c (set_nothrow_function_flags): For functions
1390 that do not bind local bail out early.
1392 2006-10-10 Ben Elliston <bje@au.ibm.com>
1394 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1397 2006-10-09 Richard Henderson <rth@redhat.com>
1399 Revert emutls patch.
1401 2006-10-09 Richard Guenther <rguenther@suse.de>
1404 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1407 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1410 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1411 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1412 * configure: Regenerate.
1413 * config.in: Regenerate.
1415 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1417 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1419 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1421 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1422 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1423 Remove stray newline.
1425 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1427 * config/mips/mips.c (mips_classify_symbol): Do not return
1428 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1429 (mips_in_small_data_p): Tweak comments.
1431 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1433 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1435 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1437 * gimplify.c, sched-int.h: Fix comment typos.
1439 * sched-int.h: Fix comment typos.
1441 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1443 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1445 * sched-ebb.c (begin_schedule_ready): Use them.
1446 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1447 add_to_speculative_block, create_check_block_twin, speculate_insn,
1448 fix_jump_move, move_block_after_check): Ditto.
1449 * sched-rgn.c (new_ready): Ditto.
1451 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1453 PR rtl-optimization/29128
1454 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1455 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1456 allow interblock movement of speculation checks.
1458 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1461 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1462 casted to integer type.
1463 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1464 if they are significantly more expensive than [reg + index] ones.
1466 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1468 PR tree-optimization/29330
1469 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1470 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1471 on newly allocated ddrs.
1472 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1473 to VEC (loop_p, heap) pointer.
1474 (compute_data_dependences_for_loop): Adjust caller.
1475 (free_dependence_relations): Free DDR_LOOP_NEST.
1477 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1478 free DEPENDENCE_RELATIONS and DATAREFS.
1481 * builtins.c (expand_builtin_sync_operation,
1482 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1483 Use convert_to_mode to handle promoted arguments.
1485 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1487 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1489 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1491 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1493 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1495 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1496 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1497 Use <modeconstraint> instead of "r" as operand 1 constraint.
1499 2006-10-06 Olivier Hainque <hainque@adacore.com>
1501 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1502 Don't recurse on the pointed-to type.
1503 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1504 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1505 types with components of variable size.
1507 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1509 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1511 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1513 PR tree-optimization/29290
1514 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1518 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1519 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1522 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1523 the number of vector elements fill the rest with zeros.
1525 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1527 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1528 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1531 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1533 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1534 unnamed pattern into subsi3. Use correct constraints/predicates.
1535 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1536 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1538 2006-10-05 Ira Rosen <irar@il.ibm.com>
1540 * doc/loop.texi: Add data references analysis description.
1542 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1544 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1546 2006-10-04 Richard Henderson <rth@redhat.com>
1547 Jakub Jelinek <jakub@redhat.com>
1549 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1550 * builtin-types.def (BT_WORD): Make unsigned.
1551 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1552 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1553 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1554 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1555 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1556 * cgraph.c (decide_is_variable_needed): Look at force_output.
1557 Recurse for emulated tls.
1558 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1559 checks redundant with decide_is_variable_needed.
1560 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1561 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1563 * expr.c (emutls_var_address): New.
1564 (expand_expr_real_1): Expand emulated tls.
1565 (expand_expr_addr_expr_1): Likewise.
1566 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1567 * output.h (emutls_finish): Declare.
1568 * toplev.c (compile_file): Call it.
1569 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1570 address before wrapping in CONST.
1571 * varasm.c (emutls_htab, emutls_object_type): New.
1572 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1573 (get_emutls_object_name, get_emutls_object_type): New.
1574 (get_emutls_init_templ_addr, emutls_decl): New.
1575 (emutls_common_1, emutls_finish): New.
1576 (assemble_variable): When emulating tls, swap decls; generate
1577 constructor for the emutls objects.
1578 (do_assemble_alias): When emulating tls, swap decl and target name.
1579 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1581 * emutls.c: New file.
1582 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1583 tls_object for real tls.
1585 2006-10-04 Zack Weinberg <zackw@panix.com>
1587 Fix bug in constraint-check generator, reported by Rask Ingemann
1589 * genpreds.c (add_constraint): Don't remove anything from the
1591 (write_tm_constrs_h): Detect whether "op" argument is used, and
1592 mark it ARG_UNUSED if it isn't.
1593 (write_insn_const_int_ok_for_constraint): Skip the part of the
1594 expression that would test whether "op" (which is not available
1595 here) is a CONST_INT.
1597 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1600 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1602 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1604 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1605 current Leopard versions.
1606 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1608 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1610 * doc/install.texi: Fix typos.
1612 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1614 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1615 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1616 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1618 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1620 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1621 arg to be struct mach_header_64* instead.
1623 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1626 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1627 side effects after the outer expression's post side effects.
1629 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1631 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1632 comments to reflect actual behavior and relationship between
1633 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1635 * doc/c-tree.texi (Working with declarations): Fix documentation
1636 of FIELD_DECL likewise.
1638 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1641 * doc/extend.texi: Add used variable attribute description.
1643 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1646 * c.opt (Woverride-init): New.
1647 * c-opts.c (c_common_post_options): Default warn_override_init to
1649 * c-typeck.c (add_pending_init, output_init_element): Warn for
1650 overriding initializers without side effects.
1651 * doc/invoke.texi (-Woverride-init): Document.
1654 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1656 PR rtl-optimization/28096
1657 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1658 assignment has already been used as a destination earlier in the block.
1660 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1662 * builtins.c (expand_builtin_setjmp): Delete.
1663 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1664 <BUILT_IN_SETJMP_SETUP>: New case.
1665 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1666 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1667 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1668 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1669 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1670 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1671 (lower_function_body): Initialize it to false. If it is set to true
1672 at the end of the processing, emit the setjmp dispatcher.
1673 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1674 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1675 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1676 on the rhs of the assignment.
1677 (lower_builtin_setjmp): New function.
1678 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1679 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1680 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1681 to detect calls that can go to non-local labels. Use specific
1682 helper to create the abnormal edges associated with them.
1683 <MODIFY_EXPR>: Likewise.
1684 (make_abnormal_goto_edges): New function extracted from...
1685 (make_goto_expr_edges): ...here. Call it for computed gotos.
1686 (simple_goto_p): Minor tweak.
1687 (tree_can_make_abnormal_goto): New predicate.
1688 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1689 (tree_purge_dead_abnormal_call_edges): New function.
1690 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1691 (tree_purge_dead_abnormal_call_edges): Likewise.
1692 (make_abnormal_goto_edges): Likewise.
1693 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1694 Purge all dead abnormal edges if the call was in the last statement.
1695 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1696 (execute_fixup_cfg): If there are non-local labels in the function,
1697 scan the basic blocks and split them at calls that can go to non-local
1698 labels or add missing abnormal call edges. Write down the CFG in the
1700 (pass_fixup_cfg): Remove TODO_dump_func flag.
1701 * unwind-sjlj.c: Poison setjmp.
1702 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1703 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1704 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1705 (DONT_USE_BUILTIN_SETJMP): Document it.
1707 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1710 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1711 to 1 when __ppc64__ is defined.
1712 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1714 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1716 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1718 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1719 * config/ia64/unwind-hpux.c: Delete.
1721 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1723 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1724 on the element before gimplifying it, instead of punting if it is of
1727 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1729 * doc/loop.texi: New file.
1730 * doc/gccint.texi: Reference loop.texi.
1731 * Makefile.in (loop.texi): Add.
1733 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1735 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1737 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1738 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1740 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1742 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1744 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1746 * doc/install.texi: Document required versions of GMP and MPFR.
1748 2006-09-27 Paul Brook <paul@codesourcery.com>
1751 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1753 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1755 * reload1.c (alter_reg): Require the alignment of the stack slot to
1756 be at least reg_max_ref_width bytes.
1757 (scan_paradoxical_subregs): Record the largest width in
1760 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1764 * tree-nested.c (struct nesting_info): Added static_chain_added.
1765 (convert_call_expr): Set static_chain_added when adding static
1766 chain. Handle OMP_PARALLEL and OMP_SECTION.
1768 2006-09-25 Matthias Klose <doko@debian.org>
1770 * doc/invoke.texi: Add missing full stop.
1772 2006-09-25 Richard Henderson <rth@redhat.com>
1774 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1775 before cgraph_function_flags_ready.
1777 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1778 Adam Nemet <anemet@caviumnetworks.com>
1780 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1781 determine_common_wider_type): New functions.
1782 (get_computation_aff): Use them to simplify arithmetic between
1783 UBASE and CBASE if they are shortened from the same type.
1785 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1788 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1789 -2147483647 - 1 instead of 0x80000000.
1791 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1793 * flags.h (HONOR_NANS): Fix typo in comment.
1795 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1797 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1799 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1803 * tree.c (merge_attributes, attribute_list_contained): If both
1804 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1806 * c-typeck.c (comptypes_internal): Don't consider aggregates
1807 in different TUs as compatible if there one set of attributes is
1808 not a subset of the other type's attributes.
1809 (composite_type): Try harder not to create a new aggregate type.
1811 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1813 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1814 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1815 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1816 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1817 than replicating condition above.
1818 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1820 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1821 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1822 the linker by default.
1824 2006-09-22 Mike Stump <mrs@apple.com>
1826 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1829 2006-09-22 Richard Guenther <rguenther@suse.de>
1832 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1833 sort of stack variables stable.
1835 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1838 * explow.c (force_reg): Set REG_POINTER flag according to
1841 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1843 PR tree-optimization/28888
1844 * tree-if-conv.c (combine_blocks): Rewritten.
1845 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1846 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1848 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1850 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1853 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1855 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1857 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1859 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1861 2006-09-21 Roger Sayle <roger@eyesopen.com>
1864 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1865 dw_fde_current_label, to be the start of the function, i.e. the same
1866 value as dw_fde_begin.
1868 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1870 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1871 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1872 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1873 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1874 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1875 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1876 (abs<mode>2, neg<mode>2): Likewise.
1877 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1878 (*mips_abs_ps): New define_insn.
1880 2006-09-20 Josh Conner <jconner@apple.com>
1883 * calls.c (expand_call): Allow reuse of structure return stack
1886 2006-09-20 Paul Brook <paul@codesourcery.com>
1888 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1891 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1893 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1894 clean up terminology.
1896 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1899 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1900 with tablejumps in them.
1902 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1905 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1906 wrap it into TARGET_EXPR.
1908 2006-09-20 Eric Christopher <echristo@apple.com>
1910 * config/i386/i386.c (x86_fisttp): Remove.
1911 * config/i386/i386.h (x86_fisttp): Ditto.
1912 (TARGET_FISTTP): Ditto.
1914 2006-09-19 Eric Christopher <echristo@apple.com>
1916 * doc/tm.texi (OBJC_JBLEN): Describe.
1917 * config/i386/darwin.h (OBJC_JBLEN): Define.
1918 * config/rs6000/darwin.h: Ditto.
1920 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1922 PR rtl-optimization/21299
1923 * reload1.c (reload): Purge invalid ASMs in the final pass.
1925 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1928 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1929 pointers as legitimate constants.
1931 2006-09-19 Paul Brook <paul@codesourcery.com>
1934 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1936 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1938 PR tree-optimization/28887
1939 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1940 component parts from the reference.
1941 (gather_memory_references_ref): Record the reference without the
1942 nonaddressable component parts.
1944 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1947 * c-opts.c (c_common_handle_option): Ignore the -std options
1948 if the input language is assembly.
1950 2006-09-17 Ira Rosen <irar@il.ibm.com>
1953 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1955 (ptr_ptr_may_alias_p): Likewise.
1956 (record_record_differ_p): New function.
1957 (base_object_differ_p): Call record_record_differ_p.
1959 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1962 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1963 away for the expr argument.
1965 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1968 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1969 before using it for dumping after vectorizing loops.
1971 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1972 Jack Howarth <howarth@bromo.med.uc.edu>
1975 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1976 skip on error_mark_node.
1977 (rs6000_darwin64_record_arg_recurse): Likewise.
1979 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1981 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1982 * doc/rtl.texi: Remove related documentation.
1984 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1986 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1989 2006-09-15 Jim Wilson <wilson@specifix.com>
1991 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1992 Handle symbol offsets same as they are handled in ia64_expand_move
1995 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1997 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1998 Add forgotten parameter to the fprintf call.
2000 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2002 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2004 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2006 * doc/contrib.texi: Add my entry.
2008 2006-09-15 Nick Clifton <nickc@redhat.com>
2010 * doc/md.texi (Processor pipeline description): Fix typo in
2011 example of how to use the absence_set directive and reword the
2012 description to make it slightly easier to read.
2014 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2016 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2017 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2018 expanding the number of iterations.
2019 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2021 * cfgrtl.c (emit_insn_at_entry): New function.
2022 * rtl.h (emit_insn_at_entry): Declare it.
2023 * integrate.c (emit_initial_value_sets): Use it.
2025 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2027 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2029 (struct loop_work and related VEC declarations): Delete.
2030 (bfin_dump_loops): Print out new member bad.
2031 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2032 (bfin_scan_loop): Don't recurse.
2033 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2034 loops. No longer need to update outer loops if the current one is
2035 found bad. Move some validitiy checks to bfin_discover_loop.
2036 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2037 but changed not to check for nesting. Also changed to use the new bad
2039 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2040 time. Use bitmap based test to discover loop nesting.
2042 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2044 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2047 2006-09-14 Richard Guenther <rguenther@suse.de>
2048 Kazu Hirata <kazu@codesourcery.com>
2050 PR middle-end/28884.
2051 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2052 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2053 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2054 with TARGET_FUNCTION_VALUE.
2056 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2059 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2061 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2063 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2066 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2069 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2072 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2074 * basic_block.h (bb_has_eh_pred): Fix comment.
2076 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2078 * flow.c (calculate_global_regs_live): Invalidate eh registers
2079 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2080 (propagate_block): Handle eh registers as if they were set at basic
2082 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2084 * global.c (global_conflicts): Make eh registers to conflict with
2085 pseudos live at basic block begin.
2086 * basic_block.h (bb_has_eh_pred): New function.
2088 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2090 PR rtl-optimization/28982
2091 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2092 index of a PRE_MODIFY or POST_MODIFY address.
2093 * reload1.c (inc_for_reload): Use find_replacement on the original
2094 base and index registers.
2096 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2098 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2099 for -Os. Update __m128 alignment requirement.
2101 2006-09-13 Jan Hubicka <jh@suse.cz>
2103 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2105 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2107 PR rtl-optimization/28243
2108 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2109 the insn to which the note was originally attached.
2111 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2112 Roger Sayle <roger@eyesopen.com>
2114 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2115 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2116 on platforms that don't use dwarf for debug info.
2118 2006-09-12 Jason Merrill <jason@redhat.com>
2121 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2122 hard_frame_pointer_rtx after using it to update the frame pointer.
2124 2006-09-12 Roger Sayle <roger@eyesopen.com>
2126 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2127 (TARGET_ASM_CLOSE_PAREN): Likewise.
2128 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2129 (TARGET_ASM_CLOSE_PAREN): Likewise.
2131 2006-09-12 Roger Sayle <roger@eyesopen.com>
2134 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2135 frame information for frames larger than 512 Kbytes on Tru64 when
2136 using the native assembler.
2138 2006-09-12 Roger Sayle <roger@eyesopen.com>
2142 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2143 and symbols. Instead use the implementation from cse.c's hash_rtx.
2145 2006-09-12 Jan Hubicka <jh@suse.cz>
2147 PR rtl-optimization/28071
2148 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2149 (vect_transform_loop): Likewise.
2150 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2151 (new_loop_vec_info): Likewise.
2152 (destroy_loop_vec_info): Likewise.
2153 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2154 (create_stmt_ann): Likewise.
2155 (create_tree_ann): Rename to ...
2156 (create_tree_common_ann): ... this one; allocate only the common part
2158 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2159 (get_value_handle): Likewise.
2160 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2161 get_tree_common_ann.
2162 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2163 (vinfo_for_stmt): Use stmt annotations.
2164 * tree-flow.h (tree_ann_common_t): New type.
2165 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2166 (tree_ann, get_tree_ann, create_tree_ann): New.
2167 * tree-flow-inline.h (get_function_ann): Do more type checking.
2168 (stmt_ann): Likewise.
2169 (tree_ann): Rename to ...
2170 (tree_common_ann): ... this one; return ony common_ann
2171 (get_tree_ann): Rename to ...
2172 (tree_common_ann): This one; return only common_ann.
2173 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2176 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2178 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2179 with_cpu by default.
2181 * dwarf2out.c (dwarf_file_data): New.
2182 (enum dw_val_class): Add dw_val_class_file.
2183 (struct dw_val_struct): Add val_file.
2184 (file_table): Change to a hash table.
2185 (file_table_emitted): Delete.
2186 (file_table_last_lookup_index): Delete.
2187 (emitcount): Delete.
2188 (last_emitted_file): New.
2189 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2190 (init_file_table): Delete.
2191 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2192 (AT_addr): Add comment.
2196 (print_die): Handle dw_val_class_file.
2197 (print_dwarf_line_table): Update for new file table structure.
2198 (attr_checksum): Do checksum a filename.
2199 (same_dw_val_p, same_attr_p): Do compare a filename.
2200 (size_of_die): Handle dw_val_class_file.
2201 (value_format): Likewise.
2202 (output_die): Likewise. Also, call maybe_emit_file here.
2203 (struct file_info): Constify filenames. Make file_idx a pointer
2204 to a struct dwarf_file_data.
2205 (struct dir_info): Constify directory names. Remove 'used' field.
2206 (struct file_name_acquire_data): New.
2207 (file_name_acquire): New.
2208 (output_file_names): Modify to handle new file data structures.
2209 (add_src_coords_attributes): Use add_AT_file.
2210 (add_call_src_coords_attributes): Likewise.
2211 (dwarf2out_imported_module_or_decl): Likewise.
2212 (gen_subprogram_die): Modify for new file data structures.
2213 (gen_variable_die): Likewise.
2214 (file_table_eq): New.
2215 (file_table_hash): New.
2216 (file_table_last_lookup): New.
2217 (lookup_filename): Rewrite to handle new file data structures.
2218 (maybe_emit_file): Rewrite to handle new file data structures.
2219 (dwarf2out_source_line): Always call lookup_filename and
2221 (dwarf2out_init): Create file_table here.
2222 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2223 (file_table_relative_p): New.
2224 (dwarf2out_finish): Change detection of relative filenames
2225 to work with new file data structures. Move output_line_info call
2226 after debug_info output.
2228 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2233 * config/i386/i386.c (override_options): Always default to 16
2234 byte stack boundary.
2236 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2239 * var-tracking.c (dump_dataflow_set): Start dumping at
2241 (clobber_variable_part): Kill only the variable part in
2242 registers holding it, leaving other variables alone.
2244 2006-09-11 Josh Triplett <josh@freedesktop.org>
2246 * doc/extend.texi (Other Builtins): Actually use the macro
2247 argument in the documentation example for
2248 __builtin_types_compatible_p.
2250 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2252 PR rtl-optimization/28726
2253 * sched-deps.c (sched_analyze_reg): New function extracted from...
2254 (sched_analyze_1): ...here. Call it to analyze references to
2255 registers. Treat again writes to a stack register as writing to the
2257 (sched_analyze_2): ...and here. Call it to analyze references to
2258 registers. Treat again reads of a stack register as reading the
2261 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2262 David Edelsohn <edelsohn@gnu.org>
2265 * config/rs6000/spe.md (frob_df_di): Remove %H.
2266 (frob_di_df): Remove %H. Change evmergelo to mr.
2267 (frob_di_df_2): Remove %H. Change evldd to two loads.
2269 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2271 * doc/cpp.texi: Fix names of charset options.
2273 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2276 * config/i386/i386.c (override_options): Use 128-bit
2277 stack boundary always for 64bits.
2279 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2281 PR rtl-optimization/28636
2282 * combine.c (force_to_mode): Test for side-effects before
2283 substituting by zero.
2284 (simplify_shift_const): Likewise for zero or other constants.
2286 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2289 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2292 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2295 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2296 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2297 returned by mode_for_size, rather than the mode of src itself,
2298 to choose between 32-bit and 64-bit patterns.
2299 (mips_mem_fits_mode_p): New function.
2300 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2301 that the size of the source matches the size of the destination.
2302 (mov_<store>l, mov_<store>r): Likewise.
2304 2006-09-10 Eric Christopher <echristo@apple.com>
2306 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2309 2006-09-09 Eric Christopher <echristo@apple.com>
2312 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2315 2006-09-09 Roger Sayle <roger@eyesopen.com>
2316 Nicolas Setton <setton@adacore.com>
2318 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2320 2006-09-10 Andreas Schwab <schwab@suse.de>
2322 * config/m68k/m68k.md (bungt_rev): New pattern.
2324 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2325 Dale Johannesen <dalej@apple.com>
2328 * regclass.c (struct reg_pref): Update documentation.
2329 (regclass): Set prefclass to NO_REGS if memory is the best option.
2330 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2332 2006-09-08 Eric Christopher <echristo@apple.com>
2334 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2335 * config/t-slibgcc-darwin: Support x86_64 multilib.
2336 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2337 Return 1 for x86_64-darwin.
2338 * config/i386/t-darwin: Add m64 multilib.
2339 (LIB2_SIDITI_CONV_FUNCS): Use.
2340 (LIB2FUNCS_EXTRA): Ditto.
2341 * config/i386/darwin.h: Support x86_64.
2342 * config/i386/i386.c (override_options): Turn on flag_pic
2343 for x86_64-darwin. Disable flag_omit_pointer.
2344 (get_pc_thunk_name): Assert !TARGET_64BIT.
2345 (legitimate_address_p): Disable machopic addressing for
2347 (legitimize_pic_address): Ditto.
2348 (ix86_expand_move): Ditto.
2349 (ix86_expand_call): Ditto.
2350 (machopic_output_stub): Ditto.
2351 * config/darwin.c (machopic_select_section): Support literal16.
2352 (machopic_select_rtx_section): Ditto.
2353 * config/darwin-sections.def: Ditto.
2354 * config/darwin-64.c: New.
2356 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2359 * c-tree.h (struct c_arg_info): Add pending_sizes.
2360 * c-parser.c (c_parser_parms_declarator,
2361 c_parser_parms_list_declarator): Initialize pending_sizes.
2362 * c-decl.c (get_parm_info): Initialize pending_sizes.
2363 (get_parm_info): Set pending_sizes.
2364 (grokdeclarator): Call put_pending_sizes for parameters for
2365 function definition only.
2367 2006-09-07 Jason Merrill <jason@redhat.com>
2370 * varasm.c (output_constant): Only strip actual no-op conversions.
2373 * config/i386/i386.c (override_options): Use 128-bit
2374 stack boundary if -msse.
2376 2006-09-07 Eric Christopher <echristo@apple.com>
2378 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2380 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2383 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2385 * dwarf2out.c: Remove strange characters from comment above
2386 dwarf2out_frame_debug_expr.
2388 2006-09-07 Eric Christopher <echristo@apple.com>
2390 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2391 * config/darwin.h: ... to here.
2393 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2395 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2397 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2398 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2400 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2401 TARGET_PARTIAL_FLAG_REG_STALL.
2402 (*ashldi3_cconly_rex64): Likewise.
2403 (*ashlsi3_cmp): Likewise.
2404 (*ashlsi3_cconly): Likewise.
2405 (*ashlsi3_cmp_zext): Likewise.
2406 (*ashlhi3_cmp): Likewise.
2407 (*ashlhi3_cconly): Likewise.
2408 (*ashlqi3_cmp): Likewise.
2409 (*ashlqi3_cconly): Likewise.
2410 (*ashrdi3_cmp_rex64): Likewise.
2411 (*ashrdi3_cconly_rex64): Likewise.
2412 (*ashrsi3_cmp): Likewise.
2413 (*ashrsi3_cconly): Likewise.
2414 (*ashrsi3_cmp_zext): Likewise.
2415 (*ashrhi3_cmp): Likewise.
2416 (*ashrhi3_cconly): Likewise.
2417 (*ashrqi3_cmp): Likewise.
2418 (*ashrqi3_cconly): Likewise.
2419 (*lshrdi3_cmp_rex64): Likewise.
2420 (*lshrdi3_cconly_rex64): Likewise.
2421 (*lshrsi3_cmp): Likewise.
2422 (*lshrsi3_cconly): Likewise.
2423 (*lshrsi3_cmp_zext): Likewise.
2424 (*lshrhi3_cmp): Likewise.
2425 (*lshrhi3_cconly): Likewise.
2426 (*lshrqi2_cmp): Likewise.
2427 (*lshrqi2_cconly): Likewise.
2429 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2432 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2433 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2434 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2435 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2436 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2437 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2438 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2439 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2440 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2441 implement only CC setting effects of shift instructions.
2443 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2445 * doc/contrib.texi: Add myself.
2447 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2450 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2451 was set by the user.
2453 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2456 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2457 (divsi_inv_m1): Use them.
2458 (UNSPEC_DIV_INV_TABLE): New constant.
2460 2006-09-06 James E Wilson <wilson@specifix.com>
2463 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2464 then call count_or_remove_death_notes.
2466 2006-09-06 Jason Merrill <jason@redhat.com>
2469 * tree-inline.c (copy_result_decl_to_var): New fn.
2470 (declare_return_variable): Use it. Call declare_inline_vars here.
2471 (expand_call_inline): Not here.
2473 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2475 * doc/contrib.texi: Update my entry.
2477 2006-09-06 Nick Clifton <nickc@redhat.com>
2479 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2481 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2484 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2485 (canonicalize_induction_variables): Likewise.
2486 (tree_unroll_loops_completely): Likewise.
2487 (tree_ssa_prefetch_arrays): Likewise.
2488 (remove_empty_loops): Likewise.
2489 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2490 TODO_cleanup_cfg instead of directly calling
2491 cleanup_tree_cfg_loop.
2492 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2494 (tree_unroll_loops_completely): Likewise.
2495 (remove_empty_loops): Likewise.
2496 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2497 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2498 of tree_ssa_unswitch_loops.
2499 (tree_ssa_loop_ivcanon): Use the return value of
2500 canonicalize_induction_variables.
2501 (tree_ssa_empty_loop): Use the return value of
2503 (tree_complete_unroll): Use the return value of
2504 tree_unroll_loops_completely.
2505 (tree_ssa_loop_prefetch): Use the return value of
2506 tree_ssa_prefetch_arrays.
2507 * passes.c (execute_todo): Before Cleanup CFG, set
2508 updating_used_alone and after cleanup CFG, call
2509 recalculate_used_alone.
2511 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2514 * tree-vect-transform.c (vectorizable_condition): Move the check
2515 for the type after the check for simple condition.
2517 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2518 Kaz Kojima <kkojima@gcc.gnu.org>
2521 * mode-switching.c (optimize_mode_switching): Make the destination
2522 block of an abnormal edge have no anticipatable mode. Don't
2523 insert mode switching code at the end of the source block of
2526 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2528 PR rtl-optimization/26847
2529 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2530 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2531 (simplify_plus_minus): Count n_constants while filling ops. Replace
2532 qsort with insertion sort. Before going through the array to simplify
2533 pairs, sort it. Delay early exit until after the first sort, exiting
2534 only if no swaps occurred. Simplify pairs in reversed order, without
2535 special-casing the first iteration. Pack ops after simplifying pairs.
2537 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2539 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2540 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2541 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2542 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2544 2006-09-05 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/28900
2547 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2548 compound conditional before creating COND_EXPR condition.
2550 2006-09-05 Richard Guenther <rguenther@suse.de>
2552 PR tree-optimization/28905
2553 * tree-vrp.c (fix_equivalence_set): Manually implement
2554 !value_ranges_intersect_p to also handle symbolic ranges.
2556 2006-09-05 Richard Guenther <rguenther@suse.de>
2559 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2562 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2564 PR rtl-optimization/27616
2565 * cse.c (table_size): New static variable.
2566 (new_basic_block): Initialize it to 0.
2567 (remove_from_table): Decrement it.
2568 (insert): Increment it.
2569 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2570 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2571 fold_rtx_mem_1 if under the cap.
2572 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2573 the lookup of the equivalent expression and test for equality of the
2574 first operand of the equivalent expression before in turn looking up
2575 an equivalent constant for the second operand.
2577 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2580 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2581 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2582 pointer, instead of assuming it is possible to derive the
2583 correct args size from a call insn.
2585 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2588 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2589 (fold_builtin_mempcpy): Rename to...
2590 (fold_builtin_memory_op): ... this. Optimize one element copy
2592 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2594 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2595 (expand_builtin_memcpy, expand_builtin_mempcpy,
2596 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2597 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2598 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2599 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2601 2006-09-01 DJ Delorie <dj@redhat.com>
2603 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2604 (stzx_16): Likewise.
2605 ("stzx_24_<mode>"): Likewise.
2606 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2607 ("cmp<mode>_op"): New.
2608 (cmp<mode>): Change to expander; just save operands.
2610 (b<code>): Change to expander, emit compare here.
2611 (s<code>_op): Change to use split and expander.
2612 (s<code>_24_op): Likewise.
2613 (s<code>_<mode>): New.
2614 (s<code>_<mode>_24): New.
2615 (movqicc_<code>_<mode): New.
2616 (movhicc_<code>_<mode>): New.
2619 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2620 (m32c_pend_compare): New.
2621 (m32c_unpend_compare): New.
2622 (m32c_expand_scc): New.
2623 (m32c_expand_movcc): Emit the compare also.
2624 * config/m32c/predicates.md (mra_nopp_operand): New.
2626 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2627 Richard Guenther <rguenther@suse.de>
2628 Adam Nemet <anemet@caviumnetworks.com>
2631 * builtins.c (get_pointer_alignment): Handle more forms
2632 of base addresses that can be used to derive more precise
2633 information about alignment.
2635 2006-09-01 Jason Merrill <jason@redhat.com>
2638 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2641 * gimplify.c (voidify_wrapper_expr): Handle null type.
2643 2006-09-01 Josh Conner <jconner@apple.com>
2646 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2647 (execute_return_slot_opt): Use it.
2649 2006-08-31 Josh Conner <jconner@apple.com>
2652 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2653 returning aggregates.
2655 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2657 PR tree-optimization/28839
2658 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2659 blocks in that phi arguments appear.
2661 2006-08-31 Roger Sayle <roger@eyesopen.com>
2664 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2665 NULL, otherwise use an advance_loc4 to adjust relative to the
2667 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2668 (dwarf2out_switch_text_section): Reset the current label to avoid
2669 using advance_loc4 over section boundaries.
2671 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2674 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2675 r12 + SYMBOLIC_CONST.
2677 2006-08-30 Richard Guenther <rguenther@suse.de>
2679 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2681 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2683 PR rtl-optimization/27735
2684 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2685 Add new argument to keep track of whether an irreducible region
2686 was affected. All callers changed.
2687 (fix_irreducible_loops): Removed.
2688 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2689 flags were invalidated.
2691 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2693 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2694 instead of SF operands.
2695 (*fop_df_comm_sse): Likewise.
2696 (*fop_df_comm_i387): Likewise.
2697 (*fop_df_1_mixed): Likewise.
2698 (*fop_df_1_sse): Likewise.
2700 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2701 J"orn Rennecke <joern.rennecke@st.com>
2703 PR tree-optimization/17506
2704 * tree-ssa.c (warn_uninit): If warning about a location outside of
2705 the current function, note where the variable was declared.
2707 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2709 PR tree-optimization/28411
2710 * double-int.c (double_int_div): Use double_int_divmod.
2711 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2712 double_int_mod, double_int_smod, double_int_umod): New functions.
2713 * double-int.h (double_int_divmod, double_int_sdivmod,
2714 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2716 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2718 (get_computation_aff, get_computation_cost_at): Handle double_int
2719 return type of constant_multiple_of.
2721 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2724 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2725 an implicit conversion.
2727 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2729 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2731 2006-08-27 Roger Sayle <roger@eyesopen.com>
2733 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2736 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2738 * config/i386/crtfastmath.c: Fix a comment typo.
2740 2006-08-26 Roger Sayle <roger@eyesopen.com>
2742 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2743 temporary visit flags on CASE_LABEL_EXPRs.
2744 * c-common.c (match_case_to_enum): Add function comment. Avoid
2745 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2746 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2747 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2748 a constant, only warn if that constant value isn't handled.
2750 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2753 * input.h (restore_input_file_stack): Declare.
2754 (INPUT_FILE_STACK_BITS): Define.
2755 * toplev.c (fs_p, input_file_stack_history,
2756 input_file_stack_restored, restore_input_file_stack): New.
2757 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2758 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2759 (pop_srcloc): Don't free old state of stack.
2761 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2764 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2765 (PowerPC Type Attributes): New.
2767 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2769 * config/xtensa/xtensa.c (function_arg_boundary): New.
2770 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2772 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2773 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2775 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2778 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2781 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2783 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2784 (verify_local_live_at_start): Likewise.
2786 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2789 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2790 omp_add_variable): Treat sizes as variable whenever not
2793 2006-08-26 Richard Guenther <rguenther@suse.de>
2796 * fold-const.c (fold_binary): Fold temporary to correct
2797 type before constructing new comparison.
2799 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2802 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2803 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2805 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2808 * c-decl.c (start_function): Don't try to process prototype
2809 information from old declaration that isn't a function.
2811 2006-08-25 Jan Hubicka <jh@suse.cz>
2814 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2816 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2819 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2822 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2824 PR tree-optimization/16876
2825 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2826 exit if PARM doesn't match VALUE.
2828 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2830 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2831 literal_prefix directive.
2832 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2833 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2834 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2836 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2839 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2840 predicate to general_operand. Add 0->y and I->r alternatives.
2842 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2844 * doc/tm.texi: Fix a typo.
2845 * predict.c: Fix comment typos.
2847 2006-08-25 Nick Clifton <nickc@redhat.com>
2849 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2850 assertions of "cpu" and "machine".
2852 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2855 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2856 the access through a base which has an alias set of 0 cannot
2859 2006-08-24 Bill Wendling <wendling@apple.com>
2861 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2863 2006-08-24 Jan Hubicka <jh@suse.cz>
2865 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2867 2006-08-24 Jan Hubicka <jh@suse.cz>
2870 * cgraph.c: Fix comments.
2871 (cgraph_varpool_mark_needed_node): Mark only variables not already
2873 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2874 (cgraph_varpool_assembled_nodes_queue): New static variable.
2875 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2876 (cgraph_varpool_output_debug_info): New function.
2877 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2878 * Makefile.in: Add gt-cgraphunit.h
2880 2006-08-24 Jan Hubicka <jh@suse.cz>
2882 * predict.c (probability_reliable_p): New predicate.
2883 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2884 (predict_loops): Do not predict loop exit with less than 2%
2886 * basic-block.h (edge_probability_reliable_p,
2887 br_prob_note_reliable_p): Declare.
2888 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2889 prediction when static predictor is not reliable.
2890 * rs6000.c (output_cbranch): Likewise.
2892 2006-08-23 Stuart Hastings <stuart@apple.com>
2895 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2896 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2898 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2901 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2902 complex values, nor for generic vector values.
2904 2006-08-22 Richard Guenther <rguenther@suse.de>
2907 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2908 parameter. Convert arguments to arithmetic expression to the
2910 (analyze_scalar_evolution_1): Adjust caller.
2912 2006-08-22 Jan Hubicka <jh@suse.cz>
2914 Patch by Paolo Bonzini
2915 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2918 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2920 PR tree-optimization/28003
2921 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2922 before grouping aliases.
2924 2006-08-22 Roger Sayle <roger@eyesopen.com>
2926 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2927 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2929 2006-08-21 Jason Merrill <jason@redhat.com>
2932 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2933 wrapper. Loop to handle nested wrappers.
2934 (gimplify_bind_expr): Remove temp parameter.
2935 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2936 and STATEMENT_LIST on the rhs.
2937 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2938 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2939 (gimplify_target_expr): Remove special BIND_EXPR handling.
2941 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2943 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2946 2006-08-21 Olivier Hainque <hainque@adacore.com>
2948 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2949 Arrange for the temporary captures of components overlapping the lhs
2950 to happen before the lhs is possibly cleared.
2952 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2954 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2955 necessary places to pass the correct "number of registers" values
2958 2006-08-20 Jan Hubicka <jh@suse.cz>
2960 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2961 (create_name_tags): Instead of quadratic checking use hashtable.
2962 * bitmap.h: Include hashtab.h.
2963 (bitmap_hash): Declare.
2964 * bitmap.c (bitmap_hash): New function.
2966 2006-08-20 Jan Hubicka <jh@suse.cz>
2968 PR rtl-optimization/28071
2969 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2971 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2972 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2973 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2974 cgraph_decide_inlining_incrementally): Update use of
2975 cgraph_check_inline_limits.
2976 * cgraph.c (edge_hash, edge_eq): New function.
2977 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2978 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2979 cgraph_remove_node): Maintain call site hash.
2980 * cgraph.h (struct cgraph_node): Add call_site_hash.
2981 (cgraph_set_call_stmt): New function.
2983 2006-08-20 Jan Hubicka <jh@suse.cz>
2985 PR rtl-optimization/28071
2986 * reload1.c (reg_has_output_reload): Turn into regset.
2987 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2988 choose_reload_regs, emit_reload_insns): Update to new
2989 reg_has_output_reload.
2991 2006-08-20 Jan Hubicka <jh@suse.cz>
2994 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2995 function body sizes.
2996 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2998 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3001 * tree.c (handle_dll_attribute): Return early if not a
3002 var or function decl.
3004 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3007 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3008 alignment of SPE vector types.
3010 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3012 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3014 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3017 * cgraph.h (struct cgraph_node): Remove externally_visible
3019 * cgraphunit.c (process_function_and_variable_attributes): Set
3020 local.externally_visible rather than externally_visible.
3023 * c-common.c (handle_externally_visible_attribute): First look
3024 at TREE_CODE and only if it is function or var decl, check for
3025 non-public objects. Don't warn for DECL_EXTERNAL.
3026 * cgraphunit.c (process_function_and_variable_attributes): Warn
3027 if externally_visible attribute is used on non-public object.
3029 2006-08-17 Jan Hubicka <jh@suse.cz>
3031 PR tree-optimization/27865
3032 * reload1.c (forget_marked_reloads): New function.
3033 (forget_old_reloads_1): When data are passed, just mark the registers
3035 (reload_as_needed): Use the new mechanizm.
3037 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3040 * reload.h (reg_equiv_alt_mem_list): New declaration.
3041 * reload1.c (reg_equiv_alt_mem_list): New definition.
3042 (reload): Initialize it and release it.
3043 (delete_output_reload): Use it.
3044 * reload.c (push_reg_equiv_alt_mem): New function.
3045 (find_reloads_toplev): Call it.
3046 (find_reloads_address, find_reloads_address_1): Likewise.
3047 (find_reloads_subreg_address): Likewise.
3049 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3051 PR rtl-optimization/28489
3052 * sched-ebb.c (begin_schedule_ready): Create basic block
3054 (advance_target_bb): Skip empty blocks.
3055 * haifa-sched.c (bb_note): Make global.
3056 * sched-int.h (bb_note): Add prototype.
3058 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3060 PR tree-optimization/27865
3061 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3063 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3064 fold_used_pointer, pointer_used_p): New functions.
3065 (analyze_scalar_evolution_1): Use fold_used_pointer.
3066 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3067 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3070 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3073 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3074 or the INTEGER_CST. Fail on a CALL_EXPR.
3075 (fold_offsetof): Pass new argument to fold_offsetof_1.
3076 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3077 operand into an INDIRECT_REF.
3078 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3080 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3082 PR gcov/profile/26570
3083 * value-prof.c (static_values): Removed.
3084 (tree_find_values_to_profile): Do not set static_values.
3085 (find_values_to_profile): Do not free static_values.
3086 * profile.c (instrument_values): Do not free the values.
3087 (branch_prob): Free the values.
3089 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3091 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3093 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3096 * c-typeck.c (build_component_ref): Combine qualifiers of
3097 structure or union and field.
3099 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3101 PR rtl-optimization/28071
3102 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3103 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3104 * tree-into-ssa.c (struct dom_dfsnum): New.
3105 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3107 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3108 compute_global_livein.
3109 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3110 in phi nodes in the correct blocks.
3112 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3114 PR tree-optimization/28364
3115 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3117 (fold_affine_expr): New function.
3118 (may_eliminate_iv): Use fold_affine_expr.
3120 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3123 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3126 2006-08-16 Mike Stump <mrs@apple.com>
3128 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3129 * doc/cppopts.texi (-MD): Likewise.
3131 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3134 * c-common.c (handle_weak_attribute): Ignore and warn if
3135 not a FUNCTION_ or VAR_DECL.
3137 2006-07-15 Mike Stump <mrs@apple.com>
3140 * c-parser.c (c_parser_typeof_specifier): Don't use
3141 c_finish_expr_stmt, open code desired semantics instead.
3143 2006-08-15 Nick Clifton <nickc@redhat.com>
3145 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3146 fragment to tmake_file only if threads are enabled.
3147 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3148 * config/i386/t-gthr-win32: New file. ... here.
3150 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3153 * c-parser.c (c_parser_compound_statement_nostart): Reset
3154 parser->error after each statement.
3156 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3159 * omp-low.c (lower_omp_parallel): Convert t to
3160 receiver_decl's type.
3161 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3162 source before comparison.
3165 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3166 to itype in assignment to oldival2.
3168 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3172 * c-typeck.c (build_compound_expr): If the second expression
3173 is an error mark, then just return an error mark instead of
3174 creating a COMPOUND_EXPR.
3176 2006-07-14 Mike Stump <mrs@apple.com>
3178 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3180 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3182 * c-decl.c, var-tracking.c: Fix comment typos.
3184 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3186 PR rtl-optimization/28634
3187 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3188 for floating-point modes unless flag_unsafe_math_optimizations.
3190 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3191 Andrew Pinski <pinskia@physics.uc.edu>
3194 * tree.c (build_array_type): Unify array types with
3195 unspecified index_type.
3196 * c-decl.c (grokdeclarator): Make sure we do not modify a
3197 unified incomplete array type.
3198 * c-typeck.c (store_init_value): Create distinct type before
3199 filling in the index type in an initializer from a compound
3202 * c-decl.c (grokdeclarator): Remove code where we copy the
3205 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3207 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3208 into account for TODO_dump_cgraph.
3209 (TODO_update_ssa_no_phi): Likewise.
3210 (TODO_update_ssa_full_phi): Likewise.
3211 (TODO_update_ssa_only_virtuals): Likewise.
3212 (TODO_remove_unused_locals): Likewise.
3213 (TODO_set_props): Likewise.
3214 (TODO_update_stmt_usage): Likewise.
3216 2006-08-13 Dirk Mueller <dmueller@suse.de>
3218 * c-common.c (strict_aliasing_warning): Fix formatting.
3220 2006-08-13 Matthias Klose <doko@debian.org>
3222 * doc/invoke.texi: Fix spelling errors.
3224 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3226 PR rtl-optimization/23454
3227 * reorg.c (relax_delay_slots): Update comment.
3229 2006-08-11 Richard Guenther <rguenther@suse.de>
3232 * simplify-rtx.c (simplify_const_relational_operation):
3233 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3236 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3238 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3239 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3241 2006-08-10 Paul Brook <paul@codesourcery.com>
3243 * final.c (final_scan_insn): Clear current_insn_predicate before
3244 outputting inline asm.
3246 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3248 PR tree-optimization/26197
3249 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3250 get_ref_base_and_extent and overlap_subvar to add only relevant
3251 subvars as may-aliases.
3252 (add_may_alias_for_new_tag): New function, factored out of
3254 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3255 with additional argument.
3256 * tree-flow.h (new_type_alias): Takes additional argument.
3258 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3260 * gcov.c (no_data_file): New flag.
3261 (read_count_file): Set it if data file not present. Assume counts
3263 (output_lines): Don't name the data file, if there wasn't one.
3265 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3267 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3268 (rs6000_generate_compare): Tweak comments.
3269 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3271 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3273 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3274 (var_debug_decl): New function.
3275 (var_reg_set): Follow debug decl link. Add location even if
3276 reg is already known to hold some other variable.
3277 (var_mem_set): Follow debug decl link.
3278 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3279 decl link. Delete other known locations of the variable part
3281 (var_reg_delete, var_mem_delete): Delete other known locations
3282 of the variable part if requested.
3283 (same_variable_part_p): New function.
3284 (add_stores): Select MO_COPY when appropriate.
3285 (vt_initialize): Handle it.
3286 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3287 known locations for MO_SET and MO_CLOBBER.
3288 (find_variable_location_part): New function.
3289 (set_variable_part, delete_variable_part): Use it.
3290 (clobber_variable_part): New function.
3291 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3294 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3296 PR tree-optimization/26969
3297 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3298 with an empty list of PHIs.
3300 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3304 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3307 2006-08-06 Andreas Schwab <schwab@suse.de>
3309 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3310 string. Whitespace and comment fixup.
3312 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3315 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3319 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3322 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3324 2006-08-04 Jan Hubicka <jh@suse.cz>
3328 * reload.c (push_reload): Patch out the mismatching instruction;
3330 (find_reload): Bail out if the instruction was patched out.
3332 2006-08-04 Jan Hubicka <jh@suse.cz>
3334 PR tree-optimization/24888
3335 * tree-inline.c (expand_call_inline): Do not re-record variables.
3336 (declare_inline_vars): Add variable to unexpanded_var_list.
3338 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3339 Roger Sayle <roger@eyesopen.com>
3341 PR rtl-optimization/26244
3342 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3343 inner_const are negative or greater than or equal to the bitsize of
3344 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3345 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3346 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3347 CONST0_RTX (mode) when the new shift count is greater than or equal to
3348 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3351 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3353 * tree-cfg.c: Fix a comment typo.
3355 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3358 * varasm.c (output_constant): Give the front end another chance to
3359 expand constants, after stripping NOPs.
3361 2006-08-03 Jan Hubicka <jh@suse.cz>
3363 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3366 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3368 PR tree-optimization/27770
3369 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3370 declaration removed (moved to tree-flow.h).
3371 (vect_can_force_dr_alignment_p): Likewise.
3372 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3373 (moved from tree-vectorizer.h).
3374 (vect_can_force_dr_alignment_p): Likewise.
3375 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3376 from outside the vectorizer - in particular from cgraph stage.
3377 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3378 the alignment of global arrays when -fsection-anchors is enabled.
3379 * cgraphunit.c (cgraph_increase_alignment): New function.
3380 (cgraph_optimize): Call cgraph_increase_alignment.
3382 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3385 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3386 not reload a SPE symbol_ref into a lo_sum address.
3388 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3391 * dwarf2out.c (prune_unused_types_prune): Move call to
3392 prune_unused_types_update_strings to cover the parent DIE also.
3394 2006-08-02 Jan Hubicka <jh@suse.cz>
3396 PR gcov/profile/28480
3397 * tree-cfg.c (change_bb_for_stmt): New function.
3398 (tree_merge_blocks, tree_split_blocks): Use it.
3400 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3406 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3407 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3408 (cgraph_optimize): Likewise.
3410 2006-08-01 Stuart Hastings <stuart@apple.com>
3412 * rtl.h (UINTVAL) New.
3413 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3414 * testsuite/gcc.dg/20060801-1.c: New.
3416 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3419 * c-typeck.c (build_external_type): Mark used enum types.
3420 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3422 (gen_subprogram_die): Whitespace fix.
3424 2006-08-01 Jan Hubicka <jh@suse.cz>
3426 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3427 bitmap when not needed.
3428 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3431 2006-08-01 Dirk Mueller <dmueller@suse.de>
3433 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3435 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3437 * Makefile.in: Revert part of previous patch:
3438 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3441 2006-07-30 Eric Christopher <echristo@apple.com>
3444 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3445 (PowerPC Variable Attributes): New section.
3447 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3449 PR target/28126 (partial fix)
3450 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3452 2006-07-28 Jan Hubicka <jh@suse.cz>
3454 PR rtl-optimization/28071
3455 * cfgrtl.c (rtl_delete_block): Free regsets.
3456 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3458 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3460 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3461 and variables used in dependencies.
3463 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3465 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3466 %fs for -mcmodel=kernel.
3467 (stack_tls_protect_test_di): Likewise.
3469 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3471 * Makefile.in: Use mkinstalldirs.
3473 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3476 * opts-common.c (prune_options): Skip joined switches.
3478 2006-07-27 Jan Hubicka <jh@suse.cz>
3480 PR rtl-optimization/28071
3481 * cselib.c (cselib_process_insn): Don't remove useless values too
3482 often for very large hashtables.
3484 2006-07-27 Jan Hubicka <jh@suse.cz>
3486 PR rtl-optimization/28071
3487 * global.c (greg_obstack): New obstack.
3488 (allocate_bb_info): Use it.
3489 (free_bb_info): Likewise.
3490 (modify_reg_pav): Likewise.
3492 2006-07-27 Roger Sayle <roger@eyesopen.com>
3494 * builtins.c (fold_fixed_mathfn): When long and long long are the
3495 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3496 functions to their lceil*, lfloor*, lround* and lrint* forms.
3498 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3501 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3503 (rev_branch_insn): Likewise.
3505 2006-07-27 Jan Hubicka <jh@suse.cz>
3507 PR rtl-optimization/28071
3508 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3509 (reg_set_in_bb, max_reg_computed): New static variables.
3510 (regmove_optimize): Free the new array.
3511 (fixup_match_1): Update call of reg_is_remote_constant_p.
3513 2006-07-26 Jan Hubicka <jh@suse.cz>
3515 PR tree-optimization/27882
3516 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3518 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3520 (cgraph_analyze_compilation_unit): Likewise.
3521 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3522 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3523 (cgraph_early_inlinine): Make order garbage collected.
3524 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3526 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3528 * dbxout.c (output_types_sort): Add a comment.
3529 (output_used_types): Free the VEC.
3531 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3533 * function.c (reorder_fix_fragments): Delete.
3534 (reorder_blocks): Don't call it.
3535 (reorder_blocks_1): Put all subblocks under the origin block.
3537 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3539 PR rtl-optimization/27907
3540 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3543 2006-07-25 Roger Sayle <roger@eyesopen.com>
3546 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3547 bar(x) check that bar's result type can represent all the values of T.
3549 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3551 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3553 2006-07-25 Nick Clifton <nickc@redhat.com>
3555 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3556 size_lookup[] array.
3557 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3558 (ggc_pch_count_object): Likewise.
3559 (ggc_pch_alloc_object): Likewise.
3560 (ggc_pch_write_object): Likewise.
3561 (init_ggc): Do not attempt to initialize entries in the
3562 size_lookup[] array for objects whose size is greater than than
3563 the length of the array.
3565 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3567 * dbxout.c (output_used_types_helper): Push queued types
3569 (output_types_sort): New.
3570 (output_used_types): Collect used types on a VEC and sort them
3573 2006-07-24 Richard Guenther <rguenther@suse.de>
3576 * cgraph.c (cgraph_remove_node): Do not check if dumps
3578 * cgraphunit.c (cgraph_optimize): Likewise.
3580 2006-07-24 Jan Hubicka <jh@suse.cz>
3582 PR rtl-optimization/28071
3583 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3584 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3585 splitting before first stmt.
3587 2006-07-24 Jan Hubicka <jh@suse.cz>
3589 PR rtl-optimization/28071
3590 * ipa-inline.c (update_caller_keys): Remove edges that
3591 are no longer inline candidates.
3593 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3596 * dbxout.c (output_used_types_helper, output_used_types): New.
3597 (dbxout_symbol): Call output_used_types.
3599 2006-07-23 Jan Hubicka <jh@suse.cz>
3603 * cgraph.c (cgraph_varpool_nodes): Export.
3604 (decide_is_variable_needed): Ignored "used" attribute in
3605 unit-at-a-time mode.
3606 * cgraph.h (cgraph_varpool_nodes): Declare.
3607 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3608 unit-at-a-time mode.
3610 2006-07-23 Roger Sayle <roger@eyesopen.com>
3613 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3614 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3615 the __gthrw form of thr_keycreate.
3616 (__gthread_key_delete): Silence the unused argument warning.
3618 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3621 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3622 Cache the last found '\0' marker to avoid quadratic behavior.
3624 2006-07-23 Jan Hubicka <jh@suse.cz>
3626 * i386.md (subsi_3_zext): Fix output template.
3628 2006-07-21 Mike Stump <mrs@apple.com>
3630 * doc/invoke.texi (C++ Dialect Options): Note that
3631 -fvisibility-inlines-hidden doesn't affect explicitly
3632 instantiationed inline methods.
3634 2006-07-20 Roger Sayle <roger@eyesopen.com>
3636 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3637 if the target assembler is GNU binutils' gas.
3638 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3639 whether to pass GNU gas or native as command line options.
3641 2006-07-20 Jason Merrill <jason@redhat.com>
3643 * tree.c (remove_attribute): New fn.
3644 * tree.h: Declare it.
3646 2006-07-20 Paul Brook <paul@codesourcery.com>
3649 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3650 they are invalidated by this instruction.
3652 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3655 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3657 2006-07-20 Eric Christopher <echristo@apple.com>
3660 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3662 2006-07-19 Eric Christopher <echristo@apple.com>
3664 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3665 Rewrite dependencies for libgcc_s.1.dylib.
3667 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3669 * except.c (duplicate_eh_regions_1): Clear next_peer.
3671 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3673 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3674 -mlongcall does not guarantee all calls will be long.
3675 * doc/extend.texi (long_call/short_call): Document that longcall
3676 does not guarantee a long call will be used.
3677 (longcall/shortcall): Likewise.
3679 2006-07-18 Roger Sayle <roger@eyesopen.com>
3682 * expmed.c (expand_shift): Additionally check that the shift_cost
3683 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3684 before implementing a LSHIFT_EXPR as a sequence of additions.
3685 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3686 middle-end that DImode shifts need to be synthesized by expand.
3688 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3691 * tree-ssa-operands.c (access_can_touch_variable): Update
3693 Return true if ALIAS is .GLOBAL_VAR.
3695 2006-07-18 David Daney <ddaney@avtrex.com>
3697 * gcc.c (display_help): Fix typo in help text.
3699 2006-07-18 Olivier Hainque <hainque@adacore.com>
3701 * tree.h (categorize_ctor_elements): Adjust prototype and add
3702 descriptive comment, both in accordance with the interface change
3704 * varasm.c (constructor_static_from_elts_p): New function.
3705 Whether a constructor node is a valid static constant initializer
3706 if all its elements are.
3707 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3708 * output.h: Declare it.
3709 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3710 is a valid constant initializer instead of computing the number of
3711 non-constant elements. Use constructor_static_from_elts_p for this
3712 purpose. Replace the head comment with an indication that this is a
3713 helper for categorize_ctor_elements.
3714 (categorize_ctor_elements): Same interface change as for the _1
3715 helper. Former head comment from this helper moved here, adjusted to
3716 account for the interface changes.
3717 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3718 (all_zeros_p): Likewise.
3719 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3720 static versions of the constructor from the categorize_ctor_elements
3721 return value instead of the formerly computed number of non-constant
3724 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3726 * configure: Regenerate.
3727 * Makefile.in (build_libsubdir): New configure substitution
3728 (build_libobjdir): New variable.
3729 (BUILD_LIBIBERTY): Use it.
3731 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3734 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3736 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3739 * c-common.c (handle_weakref_attribute): Ignore attribute in
3740 the same conditions the alias attribute is ignored.
3742 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3744 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3745 (dbxout_begin_prologue): Increment scope_labelno.
3747 2006-07-17 Richard Henderson <rth@redhat.com>
3750 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3753 2006-07-17 Roger Sayle <roger@eyesopen.com>
3754 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3756 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3757 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3758 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3759 functions such as sbrk, write, etc.. Add function prototypes.
3760 Convert function declarations from K&R to ISO C. Cast pointers
3761 to "long" and "unsigned long" instead of "int" and "unsigned int".
3762 Convert tokens following #endif into comments.
3764 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3766 * invoke.texi: Remove mention of f77; Reformat table for
3767 inline parameter options correctly; mention that -malign-double
3768 is default on x86-64 targets.
3770 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3772 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3773 (convert_affine_scev, chrec_convert_aggressive): Use
3774 avoid_arithmetics_in_type_p. Do not check for the subtypes
3777 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3780 * optabs.c (expand_doubleword_shift): Wrap the call to
3781 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3783 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3786 * optabs.c (expand_binop): Pass next_methods rather than methods
3787 to expand_doubleword_shift.
3789 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3792 * tree.h (dump_addr): Declare.
3793 * print-tree.c (dump_addr): New function.
3794 (print_node_brief, print_node): Use it.
3795 * print-rtl.c (print_rtx): Likewise.
3796 * common.opt (-fdump-noaddr): New option.
3797 * doc/invoke.texi (-fdump-noaddr): Document.
3798 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3799 (ve_info_hash): Likewise.
3801 2006-07-13 Andrew Haley <aph@redhat.com>
3803 PR tree-optimization/19505
3804 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3805 edge leaving this block, make sure that the destination of this
3806 block has only one predecessor.
3808 2006-07-17 Richard Guenther <rguenther@suse.de>
3810 PR tree-optimization/28238
3811 * tree-inline.c (copy_bb): Check if we produced valid
3812 gimple copying and substituting a stmt. If not, gimplify
3815 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3817 * optabs.c (maybe_encapsulate_block): New function extracted from...
3818 (emit_libcall_block): ...here. Invoke it on the block of insns to
3819 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3820 (emit_no_conflict_block): Likewise.
3822 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3824 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3826 2006-07-15 Roger Sayle <roger@eyesopen.com>
3828 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3829 a new NOP_EXPR case of the switch statement.
3831 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3834 * stor-layout.c (place_field): Take the bit field with
3835 an excessive size into account in the ms-bitfiled case.
3838 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3839 the previous bit field.
3841 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3844 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3846 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3848 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3849 signal frames correctly even when the signal was installed with
3852 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3854 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3855 (dbxout_function_end): Use local label LFBB. Remove hook
3857 (dbxout_source_line): Use local label LFBB.
3858 (dbxout_block): Likewise.
3859 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3860 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3861 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3862 and DBX_OUTPUT_NFUN.
3864 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3866 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3868 2006-07-13 Jan Hubicka <jh@suse.cz>
3870 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3872 * output.h (align_variable): Declare.
3873 * varasm.c (align_variable): Export.
3874 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3875 when basic block changed.
3877 2006-07-13 Nick Clifton <nickc@redhat.com>
3879 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3880 walking the LOG_LINKS chain.
3882 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3884 * doc/invoke.texi (C++ Dialect Options): Explain difference
3885 between -fvisibility-inlines-hidden and setting hidden
3886 visibility explicitly.
3888 2006-07-12 Eric Christopher <echristo@apple.com>
3890 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3891 (stmp-lipo): Depend on libgcc.a.
3893 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3895 * tree.c: Fix a comment typo.
3897 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3899 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3901 (umulhisi3_r): Likewise.
3903 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3906 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3907 x < 19, vs wchar_t support.
3909 2006-07-12 Nick Clifton <nickc@redhat.com>
3911 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3912 instead of -isa=sh4.
3914 2006-07-12 Mike Stump <mrs@apple.com>
3916 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3918 2006-07-10 Eric Christopher <echristo@apple.com>
3920 * config/t-slibgcc-darwin: Rewrite.
3922 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3925 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3928 2006-07-08 Matthias Klose <doko@debian.org>
3930 * doc/sourcebuild.texi: Fix typo.
3932 2006-07-07 Mike Stump <mrs@apple.com>
3934 * toplev.c (process_options): Don't give -ffunction-sections may
3935 affect debugging warning for Mach-O.
3937 2006-07-07 James E Wilson <wilson@specifix.com>
3939 * config/mips/mips.md (cpu): Add sb1a.
3940 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3941 addition to sb1. Adjust comments to clarify SB-1A differences from
3943 (ir_sb1a_load): New. Modify bypasses to use it.
3944 (ir_sb1a_simple_alu): Likewise.
3945 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3946 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3947 (mips_issue_rate): Add PROCESSOR_SB1A.
3948 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3949 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3950 (TARGET_SB1): Add PROCESSOR_SB1A check.
3951 (TUNE_SB1): Likewise.
3953 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3954 * config/mips/mips.c (mips_store_data_bypass_p): New.
3955 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3956 store_data_bypass_p.
3958 2006-07-08 Paul Brook <paul@codesourcery.com>
3961 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3963 2006-07-07 Richard Guenther <rguenther@suse.de>
3966 * tree.h (build_one_cst): Declare.
3967 * tree.c (build_one_cst): New function.
3968 * tree-ssa-math-opts.c (get_constant_one): Remove.
3969 (insert_reciprocals): Use build_one_cst.
3970 * fold-const.c (fold_plusminus_mult): Likewise.
3972 2006-07-07 Roger Sayle <roger@eyesopen.com>
3974 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3975 * cfgloopanal.c (dump_graph): Likewise.
3976 * dojump.c (discard_pending_stack_adjust): Likewise.
3977 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3979 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3980 * function.c (finalize_block_changes): Likewise.
3981 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3982 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3983 * rtl.c (dump_rtx_statistics): Likewise.
3984 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3986 * varray.c (dump_varray_statistics): Likewise.
3987 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3988 decode_decimal64, encode_decimal128, decode_decimal128,
3989 decimal_real_to_decimal): Likewise.
3991 2006-07-07 Richard Guenther <rguenther@suse.de>
3993 PR tree-optimization/28187
3994 * tree-vrp.c (vrp_operand_equal_p): New function.
3995 (vrp_bitmap_equal_p): Likewise.
3996 (update_value_range): Use them to compare old and new
3999 2006-07-06 Roger Sayle <roger@eyesopen.com>
4001 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4002 a default case to switch statement to silence compiler warnings.
4004 2006-07-06 Roger Sayle <roger@eyesopen.com>
4007 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4008 the configured assembler supports the x87's ffreep mnemonic.
4009 * configure: Regenerate.
4010 * config.in: Regenerate.
4012 * config/i386/i386.c (output_387_ffreep): New function.
4013 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4014 (output_387_reg_move): Likewise.
4016 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4018 Port to hosts whose 'sort' and 'tail' implementations
4019 treat operands with leading '+' as file names, as POSIX
4020 has required since 2001. However, make sure the code still
4021 works on pre-POSIX hosts.
4022 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4023 which says you should use "tail -c +N" rather than "tail +Nc".
4024 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4026 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4028 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4031 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4034 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4035 PRE_{INC,DEC} of TFmode.
4037 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4038 Alan Modra <amodra@bigpond.net.au>
4041 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4044 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4047 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4048 Remove duplicate gtu.
4050 2006-07-05 Jason Merrill <jason@redhat.com>
4054 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4055 * c-common.c (handle_packed_attribute): So don't copy it here.
4056 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4058 2006-07-05 Mike Stump <mrs@apple.com>
4060 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4062 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4065 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4067 2006-07-05 Richard Guenther <rguenther@suse.de>
4070 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4071 TARGET_SSE2 targets if using SSE math.
4072 (*absdf2_1): Likewise.
4074 2006-07-05 Richard Guenther <rguenther@suse.de>
4076 PR tree-optimization/28162
4077 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4078 make sure to convert the operands to the correct type.
4080 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4082 PR tree-optimization/28218
4084 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4085 to calculate and free the dominator information.
4087 2006-07-04 Peter O'Gorman <peter@pogma.com>
4089 * mklibgcc.in: chmod 644 before ranlib during install.
4091 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4092 J"orn Rennecke <joern.rennecke@st.com>
4094 * configure.ac (.eh_frame data check): Use diff -b.
4096 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4099 * Makefile.in (BUILD_RTL): Add build/vec.o.
4100 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4101 (build/genextract): Delete.
4102 (build/genautomata): Likewise.
4104 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4107 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4108 128-bit IBM long doubles for ABI_V4.
4110 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4112 * tree.c (range_in_array_bounds_p): New predicate.
4113 * tree.h (range_in_array_bounds_p): Declare it.
4114 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4115 return a less conservative answer.
4116 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4117 and flag 'is_group'.
4118 (IS_ELEMENT_FOR_GROUP): New macro.
4119 (FOR_EACH_ACTUAL_CHILD): Likewise.
4120 (next_child_for_group): New helper function.
4121 (can_completely_scalarize_p): Take into account groups.
4122 (sra_hash_tree): Handle RANGE_EXPR.
4123 (sra_elt_eq): Likewise.
4124 (lookup_element): Be prepared for handling groups.
4125 (is_valid_const_index): Delete.
4126 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4127 instead of is_valid_const_index.
4128 <ARRAY_RANGE_REF>: New case.
4129 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4130 is_valid_const_index.
4131 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4132 (scan_dump): Dump info for groups too.
4133 (decide_instantiation_1): Likewise.
4134 (decide_block_copy): Assert that the element is not a group.
4135 Propagate decision to groups.
4136 (generate_one_element_ref): Handle RANGE_EXPR.
4137 (mark_no_warning): Iterate over actual childs.
4138 (generate_copy_inout): Likewise.
4139 (generate_element_copy): Likewise.
4140 (generate_element_zero): Likewise.
4141 (generate_element_init_1): Likewise.
4142 (dump_sra_elt_name): Handle RANGE_EXPR.
4144 2006-07-03 Roger Sayle <roger@eyesopen.com>
4146 PR tree-optimization/26251
4147 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4148 (thread_block): When optimizing for size refuse to thread jumps
4149 that would require duplication of blocks other than redirection
4152 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4154 * configure.ac: Fix thinko in previous check-in.
4155 * configure: Regenerate.
4157 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4160 * configure.ac (for lang...): Simplify nesting of conditionals.
4161 Test subdir_requires for non-enabled languages. Move processing
4162 of lang_opt_files and lang_tree_fiels below that test.
4163 * configure: Regenerate.
4164 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4166 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4168 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4170 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4172 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4175 2006-06-29 Jason Merrill <jason@redhat.com>
4182 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4183 * c-common.c (c_determine_visibility): Handle it here.
4184 * c-decl.c (finish_decl): Call c_determine_visibility for
4186 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4188 * varasm.c (default_assemble_visibility): Likewise.
4189 * c-common.c (handle_visibility_attribute): Complain about trying
4190 to give visibility to an already defined class, or trying to change
4191 declared visibility. Always attach the attribute.
4196 * attribs.c (decl_attributes): Ignore type-in-place attributes
4197 once the type has been defined.
4199 2006-06-29 Roger Sayle <roger@eyesopen.com>
4202 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4203 to indicate the cpplib has issued an error message for us.
4205 2006-06-29 Asher Langton <langton2@llnl.gov>
4208 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4209 insert a label at the end of an function under Mach-O.
4211 2006-06-29 Eric Christopher <echristo@apple.com>
4212 Evan Cheng <evan.cheng@apple.com>
4214 * predicates.md (vector_all_ones_operand): New.
4215 (nonimmediate_or_sse_const_operand): Ditto.
4216 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4217 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4218 (standard_sse_mode_p): Ditto.
4219 (standard_sse_constant_p): Add case for -1 vector.
4220 (ix86_expand_vector_move): Try to use.
4221 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4222 Call standard_sse_constant_opcode.
4223 (*movv4sf_internal): Ditto.
4224 (*movv2df_internal): Ditto.
4226 2006-06-29 Roger Sayle <roger@eyesopen.com>
4228 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4229 of XEXP to extract the operands of a MATCH_CODE rtx.
4231 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4233 * tree.c (tree_size): Do not waste tail padding in
4234 struct tree_string and make the size be the same as
4235 build_string will generate.
4237 2006-06-28 Jason Merrill <jason@redhat.com>
4240 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4241 may_aliases already in the tag's annotations to the bitmap.
4243 2006-06-28 Roger Sayle <roger@eyesopen.com>
4245 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4247 2006-06-28 Roger Sayle <roger@eyesopen.com>
4249 * genpreds.c (generate_switch_p): New function.
4250 (add_mode_tests): Push the new mode test down inside an AND expr
4251 if this allows the switch-suitable MATCH_CODE to be near the root.
4252 (write_match_code_switch): New function to write a MATCH_CODE as
4254 (write_predicate_stmts): New function to write a predicate RTX
4255 expression as a sequence of statements.
4256 (write_one_predicate_function): Use write_predicate_stmts.
4257 (write_tm_constrs_h): Likewise.
4259 2006-06-26 Fred Fish <fnf@specifix.com>
4261 * config/mips/t-sb1: New file.
4262 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4265 2006-06-26 DJ Delorie <dj@redhat.com>
4267 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4269 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4270 Jayant Sonar <jayants@kpitcummins.com>
4271 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4273 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4274 (subsi3, subsi3_1, subsi3_2): New.
4275 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4276 * config/m32c/mov.md (SI mov peephole): New.
4277 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4278 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4280 2006-06-26 Olivier Hainque <hainque@adacore.com>
4282 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4283 a CALL_EXPR target function declaration.
4285 2006-06-26 Richard Guenther <rguenther@suse.de>
4287 * tree.c (build_string): Do not waste tail padding in
4290 2006-06-26 Richard Guenther <rguenther@suse.de>
4292 * ggc-page.c (init_ggc): Add missing element to size_lookup
4296 2006-06-23 Richard Guenther <rguenther@suse.de>
4298 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4299 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4300 alignment requests instead. Add verification code.
4301 Add struct tree_function_decl and struct tree_binfo size to
4302 extra_order_size_table. Add missing element to size_lookup
4305 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4308 * fold-const.c (const_binop): Be prepared for self returning zero.
4309 Simplify code handling complex values.
4311 2006-06-24 Olivier Hainque <hainque@adacore.com>
4313 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4314 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4317 2006-06-24 Olivier Hainque <hainque@adacore.com>
4319 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4320 ARRAY_REF, so have the callback called for the low bound expression.
4322 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4324 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4325 * c-typeck.c (c_common_type): Disallow operations on decimal float
4326 types and other float types.
4327 * convert.c (convert_to_real): Don't ignore conversions involving
4328 decimal float types.
4330 2006-06-23 Olivier Hainque <hainque@adacore.com>
4332 * tree.c (max_int_size_in_bytes): New function, inspired from
4333 code in function.c:assign_temp.
4334 * tree.h (max_int_size_in_bytes): Declare.
4335 * function.c (assign_temp): Use it.
4336 * gimplify.c (create_tmp_var): Relax the assertions on the type
4337 properties, not mandating constant size any more.
4338 (force_constant_size): New static function.
4339 (gimple_add_tmp_var): Use it, forcing variable size to a
4340 constant upper bound if it is not constant on entry.
4342 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4345 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4346 for initialization and setting of one_only flag to ...
4347 (i386_pe_encode_section_info): ...here.
4348 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4349 Recheck that the symbol has not been defined.
4351 2006-06-23 Richard Guenther <rguenther@suse.de>
4353 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4354 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4355 alignment requests instead. Add verification code.
4356 Add struct tree_function_decl and struct tree_binfo size to
4357 extra_order_size_table. Add missing element to size_lookup
4360 2006-06-22 Roger Sayle <roger@eyesopen.com>
4361 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4364 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4365 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4367 2006-06-23 Ben Elliston <bje@au.ibm.com>
4369 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4370 negate dn -- manipulate it directly.
4372 2006-06-22 Roger Sayle <roger@eyesopen.com>
4373 Steven Bosscher <stevenb.gcc@gmail.com>
4376 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4377 generated by gen_move_insn to add REG_LABEL notes if necessary.
4379 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4381 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4382 (leaf_entry): Remove use of MIN_ESA.
4384 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4386 PR rtl-optimization/28121
4387 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4390 2006-06-21 DJ Delorie <dj@redhat.com>
4392 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4394 (mulhisi3_r): Likewise.
4396 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4399 * coverage.c (coverage_counter_alloc): Leave the index type
4401 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4404 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4406 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4407 section from the "Options for Code Generation Conventions".
4409 2006-06-21 Richard Henderson <rth@redhat.com>
4413 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4415 (global_symbolic_operand): Allow weak symbols, even if local_p.
4417 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4419 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4420 (find_interesting_uses_address): Punt if above function returns true.
4422 2006-06-21 Richard Guenther <rguenther@suse.de>
4424 * configure: Regenerated.
4426 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4428 * config/mips/mips.c (function_arg): Where one part of a
4429 complex argument is in registers and the other part in the stack,
4430 return a REG not a PARALLEL.
4432 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4434 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4435 when cross-compiling. Do not substitute libstdcxx_incdir.
4436 * configure: Regenerated.
4438 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4440 * varasm.c (mergeable_string_section): Check for embedded NULs and
4441 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4442 rather than TREE_STRING_LENGTH bytes.
4444 2006-06-21 Richard Guenther <rguenther@suse.de>
4446 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4447 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4450 2006-06-21 Richrad Guenther <rguenther@suse.de>
4452 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4453 Limit iteration over the dominators.
4455 2006-06-20 Roger Sayle <roger@eyesopen.com>
4457 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4458 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4460 2006-06-20 Richard Guenther <rguenther@suse.de>
4461 Michael Matz <matz@suse.de>
4463 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4465 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4466 * et-forest.h (et_free_pools): Prototype new function.
4467 * et-forest.c (et_free_tree_force): Free parent occurrence.
4468 (et_free_pools): New function.
4469 * dominance.c (free_dominance_info): Free et-forest alloc
4472 2006-06-20 Roger Sayle <roger@eyesopen.com>
4474 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4475 integer modes, attempt to directly construct an integer constant.
4477 * fold-const.c (native_encode_vector): Determine the size of each
4478 element from the vector type instead of the first vector element.
4480 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4481 if all of its elements/components are constant.
4482 (build_constructor_from_list): Likewise.
4484 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4486 PR tree-optimization/27331
4487 * tree-data-ref.c (free_data_ref): New function.
4488 (create_data_ref): Fail if the data reference has unknown access
4490 (free_data_refs): Use free_data_ref.
4492 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4495 * tree-inline.c (setup_one_parameter): Strip useless
4496 type conversion before adding it to the IR.
4497 (declare_return_variable): Likewise.
4499 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4502 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4504 2006-06-19 Mike Stump <mrs@apple.com>
4506 * tree.c (variably_modified_type_p): VM arguments don't make the
4509 2006-06-19 Richard Guenther <rguenther@suse.de>
4511 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4512 type conversions after folding.
4514 2006-06-19 Richard Guenther <rguenther@suse.de>
4516 * ggc-page.c (extra_order_size_tab): Add entries with
4517 size of struct function and basic_block.
4518 (size_lookup): Extend to cover sizes up to 511.
4519 (ggc_alloc_stat): Adjust user.
4520 (ggc_pch_count_object): Likewise.
4521 (ggc_pch_alloc_object): Likewise.
4522 (ggc_pch_write_object): Likewise.
4524 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4526 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4527 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4530 2006-06-19 Denis Chertykov <denisc@overta.ru>
4532 * config/avr/libgcc.S : Correct my wrong previous commit.
4534 2006-06-19 Roger Sayle <roger@eyesopen.com>
4537 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4538 have stripped a SUBREG from the shift count, so we may need to
4539 convert_to_mode back to the type's mode before calling make_tree.
4540 Use new_amount instead of amount to avoid expanding a tree twice.
4542 2006-06-19 Richard Guenther <rguenther@suse.de>
4545 * fold-const.c (operand_equal_p): Check if the argument types
4546 have the same precision before stripping NOPs.
4548 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4550 Fix PR tree-optimization/27341
4551 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4553 * tree-complex.c (pass_lower_complex): Update SMT usage.
4555 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4557 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4558 Add a new alternative to the constraint strings. Add move of
4559 operand 1 to 3 to the splitter definition.
4560 ("doloop_si_long"): Second contraint alternative removed.
4562 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4564 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4565 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4567 (AVR_HAVE_MOVW) Define.
4568 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4569 (ASM_SPEC): Add avr25.
4570 (LINK_SPEC): Add avr25.
4571 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4572 (base_arch_s): Add new member 'have_movw_lpmx'.
4573 (avr_arch_types): Init 'have_movw_lpmx'.
4574 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4575 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4576 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4577 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4578 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4580 (avr_file_start): Do not output '.arh' derective.
4581 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4582 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4583 * config/avr/avr.md (mcu_enhanced): Delete.
4584 (mcu_have_movw): Define.
4585 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4586 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4587 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4588 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4589 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4590 attiny861 and at86rf401 devices.
4592 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4594 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4597 2006-06-17 Karl Berry <karl@gnu.org>
4599 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4600 doc/gccint.texi, doc/install.texi (@dircategory): Use
4601 "Software development" instead of "Programming", following
4602 the Free Software Directory.
4604 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4606 * config/i386/i386.c (legitimate_tls_address)
4607 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4608 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4609 (*tls_dynamic_gnu2_combine_64): Likewise.
4611 2006-06-16 Richard Guenther <rguenther@suse.de>
4614 * fold-const.c (negate_expr_p): Do not introduce undefined
4615 overflow in negating INTEGER_CSTs.
4616 (fold_negate_expr): Rename from negate_expr. Revert last
4617 change for folding BIT_NOT_EXPR. Change semantics to
4618 return NULL_TREE for non-simplified negations. Do not
4619 strip type conversions and unify type handling.
4620 (negate_expr): New function, wrap around fold_negate_expr
4621 but ensure building a tree always. Strip type conversions
4622 here, fold to result type.
4623 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4625 2006-06-16 Roger Sayle <roger@eyesopen.com>
4628 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4629 that (would) return their results in stack registers.
4631 2006-06-16 Michael Matz <matz@suse.de>
4632 Richard Guenther <rguenther@suse.de>
4634 * fold-const.c (fold_truthop): Only return new tree node if
4635 we canonicalized something.
4637 2006-06-16 Richard Guenther <rguenther@suse.de>
4639 * function.h (enum function_frequency): Move declaration
4640 out of struct function.
4641 (struct function): Move bool fields and the enum to the bitfield
4642 section. Reorder elements to avoid padding. Remove unused
4643 fields left over from the RTL inliner removal.
4644 * function.c (free_after_compilation): Do not zero removed fields.
4645 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4646 (ipa-type-escape.o): Likewise.
4648 2006-06-16 Richard Guenther <rguenther@suse.de>
4650 * cgraph.h (struct cgraph_local_info): Turn bool elements
4652 (struct cgraph_node): Likewise.
4653 (struct cgraph_varpool_node): Likewise.
4655 2006-06-15 Richard Guenther <rguenther@suse.de>
4657 * fold-const.c (fold_truth_not_expr): Rename from
4658 invert_truthvalue. Give it fold_* semantics to avoid
4660 (invert_truthvalue): New function. Wrapper around
4661 fold_truth_not_expr.
4662 (optimize_minmax_comparison): Avoid creating garbage.
4663 (fold_unary): Use fold_truth_not_expr for folding
4665 (fold_ternary): Replace uses of invert_truthvalue with
4666 fold_truth_not_expr where applicable.
4667 * tree.h (fold_truth_not_expr): Prototype.
4669 2006-06-16 Richard Guenther <rguenther@suse.de>
4671 PR tree-optimization/27781
4672 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4673 * ipa-pure-const.c (target.h): Include.
4674 (analyze_function): Do not analyze functions that do not
4677 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4680 * tree-dfa.c (referenced_vars_dup_list): Remove.
4681 (find_referenced_vars): Remove assert.
4682 (referenced_var_check_and_insert): Replace dup list with assert.
4683 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4684 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4686 2006-06-15 Richard Guenther <rguenther@suse.de>
4688 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4689 extra unused identifiers if not dumping.
4690 (create_variable_info_for): Likewise.
4692 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4694 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4695 (derive_constant_upper_bound): Derive more precise upper bound in
4696 common cases. Return type changed to double_int.
4697 (record_estimate): Reflect the changed return type of
4698 derive_constant_upper_bound.
4699 * double-int.c (double_int_zext, double_int_sext): Fix.
4701 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4703 * configure.ac (CFLAGS): Get them from the toplevel or from the
4704 configure invocation.
4705 * configure: Regenerate.
4706 * Makefile.in (CFLAGS): Substitute value provided by configure.
4708 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4711 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4712 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4713 rather than calling add_stmt on it.
4714 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4716 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4719 * reload1.c (reload): Remove registers returned by update_eliminables
4720 from used_spill_regs.
4722 2006-06-13 DJ Delorie <dj@redhat.com>
4724 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4726 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4728 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4729 html__strip_dir, html__mkdir_p. Enhance install-html target.
4730 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4731 * configure: Regenerate.
4733 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4735 * fold-const.c (fold_cond_expr_with_comparison): Check for
4736 Objective-C++ as language in deciding COND_EXPR transformation.
4738 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4741 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4742 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4743 * config/sh/lib1funcs.h (SL, SL1): Define.
4744 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4745 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4746 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4747 (OBJS_Os_4_200): New variable.
4748 ($(T)libgcc-Os-4-200.a): Use it.
4749 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4750 when dividing 1 and/or by 0.
4752 2006-06-13 Roger Sayle <roger@eyesopen.com>
4754 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4755 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4756 * configure: Regenerate.
4758 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4760 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4761 for real instruction.
4763 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4766 * haifa-sched.c (check_cfg): Handle special case.
4768 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4771 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4772 Add debug_info parameter. Chain the vars to the BLOCK instead
4773 of the BIND_EXPR if debug info are requested for them.
4774 (pop_gimplify_context): Adjust for above change.
4775 (gimple_add_tmp_var): Likewise.
4776 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4778 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4779 (convert_local_reference): Likewise.
4780 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4781 (finalize_nesting_tree_1): Request that debug info be emitted
4782 for debug_var_chain.
4784 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4786 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4787 for PR target/27863.
4789 2006-06-13 Richard Guenther <rguenther@suse.de>
4792 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4794 2006-06-13 Richard Guenther <rguenther@suse.de>
4796 PR tree-optimization/27830
4797 * tree-inline.c (copy_body_r): For copying the operand
4798 of an ADDR_EXPR make sure to fold &* afterwards.
4800 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4802 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4803 lvalues in the fb_none case with side-effects.
4805 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4807 * tree-flow.h: Remove the prototype for
4808 compute_phi_arg_on_exit.
4809 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4810 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4813 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4815 * builtins.c (expand_builtin_return_addr): Only use
4816 frame_pointer_rtx when count == 0 and we are expanding
4817 __builtin_return_address.
4819 2006-06-12 Fred Fish <fnf@specifix.com>
4821 * config/mips/mips.c (mips_file_start): Create special section
4822 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4824 2006-06-11 Eric Christopher <echristo@apple.com>
4827 * stor-layout.c (place_field): Remove check for
4828 remaining_in_alignment when aligning at the end of a run.
4830 2006-06-11 Eric Christopher <echristo@apple.com>
4833 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4836 2006-06-11 Roger Sayle <roger@eyesopen.com>
4839 Revert incorrect fix for PR target/27158
4840 2006-05-08 Roger Sayle <roger@eyesopen.com>
4841 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4842 of a reg_equiv_constant if the result is a legitimate constant.
4844 2006-06-11 Roger Sayle <roger@eyesopen.com>
4847 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4848 extract a CONST_VECTOR element and interpret it as an integer.
4849 (vspltis_constant): Use const_vector_elt_as_int instead of the
4850 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4851 * config/rs6000/predicates.md (easy_vector_const): Consider
4852 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4854 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4857 * stor-layout.c (update_alignment_for_field): Don't add extra
4858 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4861 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4863 * config/mips/t-rtems: Add EL/EB multilib variants.
4865 2006-06-09 Mike Stump <mrs@apple.com>
4867 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4869 2006-06-09 David Daney <ddaney@avtrex.com>
4871 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4873 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4875 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4877 2006-06-09 Richard Guenther <rguenther@suse.de>
4879 PR tree-optimization/26998
4880 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4881 of signed types, only TYPE_MIN_VALUE is special, but for both,
4882 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4883 in this case, as is -fwrapv.
4885 2006-06-08 Mike Stump <mrs@apple.com>
4888 * config/darwin.c (darwin_asm_output_anchor): Disable
4889 -fsection-anchors on darwin for now.
4890 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4891 * rs6000/rs6000.c (optimization_options): Likewise.
4893 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4896 * config/i386/i386.c (classify_argument): Skip fields with invalid
4899 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4901 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4902 (cse_insn): Likewise for the stack_pointer_rtx.
4904 2006-06-08 Roger Sayle <roger@eyesopen.com>
4906 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4907 conditions from floating point comparisons.
4909 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4912 * expmed.c (struct alg_hash_entry): Fix type of field T
4913 to match synth_mult argument.
4914 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4916 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4919 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4922 2006-06-08 Richard Guenther <rguenther@suse.de>
4925 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4926 only, if overflow is defined and not trapping.
4927 (negate_expr): Likewise.
4929 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4931 PR tree-optimization/27872
4932 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4933 flag on the new exit edge of the unrolled loop.
4935 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4937 PR rtl-optimization/26449
4938 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4940 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4943 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4944 referenced_variables with matching DECL_UID's.
4945 (find_referenced_vars): Make sure duplicate list is empty to start.
4946 (referenced_var_p): Remove.
4947 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4948 Check if var is in the list, and add if needed. Update the duplicate
4949 list if a different var is in the list with the same DECL_UID.
4950 (add_referenced_var): Call routine to check and insert.
4951 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4952 * tree-flow.h (referenced_vars_dup_list): External declaration.
4954 2006-06-07 Fred Fish <fnf@specifix.com>
4956 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4959 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4962 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4963 the imaginary and real parts of a clobbered register.
4964 Emit insn to set the imaginary part.
4966 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4968 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4969 in lieu of unwind-dw2-fde.c.
4971 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4973 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4975 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4978 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4979 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4980 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4981 V4SImode temporaries and operations instead.
4983 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4985 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4988 2006-06-06 Mike Stump <mrs@apple.com>
4990 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4991 installing during build.
4993 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4995 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4997 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4998 * config/ia64/ia64.c (params.h): New header.
4999 (ia64_optimization_options): New function to adjust parameters.
5000 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5001 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5002 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5004 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5006 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5008 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5011 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5013 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5014 Victor Kaplansky <victork@il.ibm.com>
5016 PR tree-optimization/26360
5017 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5020 2006-06-04 Roger Sayle <roger@eyesopen.com>
5021 Andrew Pinski <pinskia@physics.uc.edu>
5024 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5025 for LABEL_DECL before calling DECL_WEAK.
5028 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5029 LABEL_DECL and PARM_DECL.
5031 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5035 * c-decl.c (grokdeclarator): Disallow variably modified types at
5036 file scope. Avoid marking shared array type of constant size as
5039 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5042 * c-common.c (fold_offsetof_1): Handle static members.
5044 2006-06-04 Eric Christopher <echristo@apple.com>
5046 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5047 (debug_rli): Output value for remaining_in_alignment.
5048 (update_alignment_for_field): Unconditionalize
5049 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5050 extra alignment code.
5051 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5052 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5053 * tree.h (record_layout_info_s): Remove prev_packed.
5054 * doc/extend.texi (ms_struct): Add documentation of format.
5056 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5058 * tree.h: Declare folding_initializer.
5059 * builtins.c (fold_builtin_constant_p): Give definite answer
5060 if folding inside an initializer.
5061 * fold-const.c: Define folding_initializer.
5062 (START_FOLD_INIT): Save and then set folding_initializer.
5063 (END_FOLD_INIT): Restore folding_initializer.
5065 2006-06-04 Richard Guenther <rguenther@suse.de>
5067 PR tree-optimization/27039
5068 * fold-const.c (fold_comparison): Handle pointer comparison
5069 again for all comparison codes. Compare offsets in signed
5071 (fold_binary): Move code from here.
5073 2006-06-03 Roger Sayle <roger@eyesopen.com>
5076 * config/i386/i386.c (construct_container): Split static issued_error
5077 flag into issued_sse_arg_error, issued_sse_ret_error and
5078 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5079 requires the use of x87 registers and the user explicitly
5080 specified the -mno-80387 command line option.
5082 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5084 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5085 HAVE_DECL_SIGALTSTACK.
5087 (segv_handler): Use MC_FLD.
5088 * configure.ac: Check for a sigaltstack declaration.
5089 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5090 * configure: Regenerate.
5091 * config.in: Regenerate.
5093 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5096 * Makefile.in (stmp-fixinc): Fix typo.
5098 2006-06-02 Roger Sayle <roger@eyesopen.com>
5100 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5101 are type correct. Clean-up.
5102 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5103 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5105 2006-06-01 DJ Delorie <dj@redhat.com>
5107 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5108 shift, as we've disabled the "switch" insn that needs it.
5110 2006-06-01 Per Bothner <bothner@bothner.com>
5112 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5113 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5114 * c-ppoutput.c (cb_define): Don't increment line 0.
5116 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5118 * doc/invoke.texi: Add cpu_type power6.
5119 * config.gcc: Add cpu_type power6.
5120 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5121 to power5+ with Altivec.
5122 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5123 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5125 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5127 * config/avr/avr.h (SET_ASM_OP): Define.
5129 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5131 * config/bfin/bfin.c: Fix comment typos.
5133 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5136 * doc/install.texi: Document --enable-bootstrap and
5137 --disable-bootstrap.
5139 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5141 * doc/install.texi: Document that InfoZIP can replace jar.
5143 2006-05-31 Roger Sayle <roger@eyesopen.com>
5145 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5146 isn't available, directly generate the simpler x87 patterns without
5147 the (use (const_int 0)).
5148 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5149 implementation isn't available.
5150 (*negdf2_1): Likewise.
5151 (*negxf2_1): XF mode negation is always done using the x87.
5152 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5154 2006-05-31 Roger Sayle <roger@eyesopen.com>
5156 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5157 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5159 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5161 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5163 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5164 * config/bfin/bfin.c (basic-block.h): Include.
5165 (struct machine_function): New.
5166 (bfin_init_machine_status): New.
5167 (override_options): Initialize init_machine_status.
5168 (bfin_hardware_loop): New.
5169 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5170 (DEF_VEC_P (loop_info)): New.
5171 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5172 (struct loop_info): New.
5173 (loop_info): New typedef.
5174 (struct loop_work): New.
5175 (loop_work): New typedef.
5176 (DEF_VEC_O (loop_work)): New.
5177 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5178 (bfin_dump_loops): New.
5179 (bfin_bb_in_loop): New.
5180 (bfin_scan_loop): New.
5181 (bfin_optimize_loop): New.
5182 (bfin_reorg_loops): New.
5183 (bfin_reorg): Use bfin_reorg_loops.
5184 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5186 (I_REGNO_P): Simplify.
5187 (DP_REGNO_P, DPREG_P): New macros.
5188 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5189 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5190 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5191 Add LT_REGS, LC_REGS, LB_REGS.
5192 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5194 (REGNO_REG_CLASS): Deal with loop registers.
5195 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5197 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5198 New constants for loop registers.
5199 (UNSPEC_LSETUP_END): New.
5200 (seq_insns): New define_attr. Set it for appropriate insns.
5201 (movsi_insn): Add alternatives for move from/to
5202 loop count registers.
5203 (doloop_end): New define_expand.
5204 (loop_end): New define_insn.
5205 (define_split for bad doloop_end): New.
5206 (lsetup_with_autoinit): New define_insn.
5207 (lsetup_without_autoinit): New define_insn.
5208 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5209 * config/bfin/predicates.md (lc_register_operand): New.
5210 (lt_register_operand): New.
5211 (lb_register_operand): New.
5212 (nondp_register_operand): New.
5213 (nondp_reg_or_memory_operand): New.
5214 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5216 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5218 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5219 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5221 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5223 * Makefile.in (CATALOGS): Add po/ prefix.
5224 * configure: Regenerated.
5226 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5229 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5230 a shift operand before calling shift_op. Avoid redundant call of
5233 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5234 DJ Delorie <dj@redhat.com>
5236 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5237 we're inserting is a singlt-bit constant.
5239 2006-05-30 Roger Sayle <roger@eyesopen.com>
5241 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5242 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5244 2006-05-30 Roger Sayle <roger@eyesopen.com>
5246 PR tree-optimization/23452
5247 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5248 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5249 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5250 complex values and with -ffast-math for FP complex values.
5252 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5254 * c-common.h: Remove the prototype for yyparse.
5255 * rtl.h: Remove the prototype for init_loop.
5257 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5259 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5262 2006-05-30 Roger Sayle <roger@eyesopen.com>
5264 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5266 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5267 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5269 2006-05-30 Dirk Mueller <dmueller@suse.de>
5272 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5273 for CONSTANT_CLASS_P expresisons.
5275 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5278 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5280 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5282 PR tree-optimization/27779
5283 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5284 initial_condition instead of CHREC_LEFT.
5286 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5288 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5289 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5290 Make prototypes ISO C90.
5292 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5293 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5295 * see.c (see_analyze_one_def): Correct check.
5296 (see_get_extension_data): Check if extension is parallel.
5297 (see_get_extension_reg): Likewise.
5299 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5302 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5303 into register for (code == GTU).
5305 2006-05-29 Roger Sayle <roger@eyesopen.com>
5307 PR tree-optimization/24964
5308 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5309 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5310 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5311 abs(x)*abs(x) as x*x for scalar floating point modes.
5313 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5316 * lambda-code.c (perfect_nestify): Don't copy statements
5317 in the inner loop: move them to the inner loop header.
5319 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5322 * c-tree.texi: Document OpenMP directives and clauses.
5324 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5326 * varasm.c (globalize_decl): Fix indentation.
5328 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5331 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5332 pass_fre, pass_store_ccp, pass_copy_prop,
5333 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5334 pass_return_slot, pass_object_size, pass_lim,
5335 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5336 pass_loop_prefetch and pass_stdarg.
5338 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5340 * config/bfin/bfin.opt (mfdpic): New option.
5341 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5342 (EXTRA_MULTILIB_PARTS): Likewise.
5343 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5344 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5346 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5347 (CRT_CALL_STATIC_FUNCTION): New.
5348 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5350 (CRT_CALL_STATIC_FUNCTION): New.
5351 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5353 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5354 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5355 (initialize_trampoline): Changed to handle FD-PIC code generation.
5356 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5357 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5358 (override_options): Disallow -mid-shared-library -mfdpic combination.
5359 Can't do unaligned ops if FD-PIC.
5360 Turn off flag_pic if trying to generate non-id-shared-library
5361 non-fdpic code, since it's not supported.
5362 (bfin_assemble_integer): New function.
5363 (TARGET_ASM_INTEGER): Define.
5364 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5366 * config/bfin/crtn.s: Restore them.
5367 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5369 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5370 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5371 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5372 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5373 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5375 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5376 FDPIC_REGS and FDPIC_FPTR_REGS.
5377 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5378 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5379 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5380 (load_funcdescsi): New pattern.
5381 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5382 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5383 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5385 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5387 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5390 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5392 * tree-flow.h: Remove the prototype for add_type_alias.
5393 * tree-ssa-alias.c (add_type_alias): Remove.
5395 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5397 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5398 config/fr30/fr30.md, config/i386/i386-interix.h,
5399 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5400 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5401 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5402 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5403 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5404 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5405 Follow spelling conventions.
5406 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5407 Follow spelling conventions.
5409 2006-05-27 Richard Guenther <rguenther@suse.de>
5412 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5413 to produce a constant of value 1 of generic type.
5415 2006-05-27 Dirk Mueller <dmueller@suse.de>
5417 * cgraphunit.c (decide_is_function_needed): Fix wrong
5420 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5422 PR rtl-optimization/27661
5423 * reload.c (find_reloads): When reloading a VOIDmode constant
5424 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5425 use Pmode as mode of the reload register.
5427 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5429 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5430 is enabled at -O and above.
5432 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5435 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5438 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5441 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5442 for anonymous variables explicitly declared by front ends.
5444 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5446 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5447 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5448 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5449 ref-all pointers, run a finalization pass for them.
5450 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5451 (finalize_ref_all_pointers): New function.
5452 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5453 regular pointer type to a ref-all pointer type.
5454 (get_tmt_for): Return the special memory tag for ref-all pointers.
5456 2006-05-25 Richard Guenther <rguenther@suse.de>
5459 * fold-const.c (fold_binary): Do not look at the stripped
5460 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5462 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5464 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5465 for LT and GT if the computed range is effectively empty.
5467 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5470 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5471 mips_quad_format formats instead of ieee_single_format,
5472 ieee_double_format and ieee_quad_format formats, respectively.
5474 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5476 PR tree-optimization/27639
5477 PR tree-optimization/26719
5478 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5479 call to scev_probably_wraps_p.
5480 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5481 used_in_pointer_arithmetic_p, convert_step): Removed.
5482 (nowrap_type_p): New function.
5483 (scev_probably_wraps_p): Rewritten.
5484 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5485 chrec_convert if chrec_convert_aggressive might have been used.
5486 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5487 scev_direction): New functions.
5488 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5489 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5490 instead of convert_step.
5491 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5492 (convert_step): Declaration removed.
5493 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5495 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5497 * df-core.c: Added to header comments.
5498 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5499 df_ur_bb_info, df_urec_bb_info): Added comments.
5500 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5501 urec, ri problems): Fixed header comments.
5502 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5503 code from df_rd_transfer_function.
5505 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5507 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5508 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5509 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5511 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5513 * expr.c (undefined_operand_subword_p): New.
5514 (emit_move_multi_word): Do not generate move from undefined bits
5515 of a paradoxical subreg.
5517 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5519 PR rtl-optimization/27736
5520 * combine.c (replaced_rhs_value): New variable.
5521 (combine_instructions): Set it.
5522 (distribute_notes): When distributing a note in replaced_rhs_insn,
5523 check whether the value was used in replaced_rhs_value.
5525 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5528 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5529 add_referenced_var instead of add_referenced_tmp_var.
5530 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5531 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5533 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5534 tree_optimize_tail_calls_1): Use add_referenced_var.
5535 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5536 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5537 Use add_referenced_var.
5538 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5539 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5540 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5541 Use add_referenced_var.
5542 * tree-dfa.c (struct walk_state): Remove.
5543 (find_referenced_vars): Remove walk state and vars_found hash table.
5544 (make_rename_temp): Use add_referenced_var.
5545 (find_vars_r): Pass less parameters to add_referenced_var.
5546 (referenced_var_p): New. Is var in referenced_var hash table.
5547 (referenced_var_insert): Assert var isn't already in hash table.
5548 (add_referenced_var): Don't need walk_state parameter. Add var if it
5549 isn't already in the hash table.
5550 (add_referenced_tmp_var): Remove.
5551 (find_new_referenced_vars_1): Use add_referenced_var.
5552 * tree-ssa-pre.c (create_expression_by_pieces,
5553 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5554 Use add_referenced_var.
5555 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5556 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5557 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5559 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5560 vect_create_data_ref_ptr, vect_create_destination_var,
5561 vect_init_vector, vect_build_loop_niters,
5562 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5563 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5564 Use add_referenced_var.
5565 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5566 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5567 (add_referenced_var): Add prototype.
5568 * tree-ssa-structalias.c (get_constraint_for,
5569 intra_create_variable_infos): Use add_referenced_var.
5571 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5573 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5574 big-endian paradoxical subregs.
5575 * var-tracking.c (struct micro_operation_def): Document that,
5576 for modify micro operations, insn is the subsequent instruction.
5577 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5578 (var_reg_set, var_mem_set): ... new functions.
5579 (add_stores): Record subsequent insn.
5580 (compute_bb_dataflow): Use new functions for MO_USE.
5581 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5582 notes after the insn, and modify notes before the insn known
5583 to be the subsequent one.
5584 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5586 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5589 * config/i386/i386.c (ix86_expand_builtin): Use
5590 gen_sse3_monitor64 for TARGET_64BIT.
5592 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5594 PR rtl-optimization/26375
5595 PR rtl-optimization/26855
5596 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5598 (df_ru_bb_local_compute): Reversed statements and removed bogus
5599 comment explaining why they should be in wrong order.
5600 (df_ru_dump, df_rd_dump): Enhanced debug info.
5601 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5603 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5604 reaching uses and fixed space problem.
5606 2006-05-23 Jan Hubicka <jh@suse.cz>
5608 * cgraphunit.c (decide_is_function_needed): Also nested functions
5609 and functions declared inline can be optimized out at -O0.
5611 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5613 * doc/install.texi (Configuration): Remove reference to CrossGCC
5617 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5620 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5621 ix86_compare_emitted is non-NULL.
5623 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5626 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5629 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5631 PR rtl-optimization/25514
5632 * combine.c (replaced_rhs_insn): New variable.
5633 (combine_instructions): Set replaced_rhs_insn when trying to replace
5634 a SET_SRC with a REG_EQUAL note.
5635 (distribute_notes): Use replaced_rhs_insn when determining the live
5636 range of a REG_DEAD register.
5638 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5639 Anatoly Sokolov <aesok@post.ru>
5641 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5642 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5643 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5644 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5645 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5646 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5647 at90usb647, at90usb1286 and at90usb1287 devices.
5648 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5649 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5651 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5653 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5655 2006-05-22 Richard Guenther <rguenther@suse.de>
5658 2006-01-31 Richard Guenther <rguenther@suse.de>
5659 Paolo Bonzini <bonzini@gnu.org>
5661 * doc/install.texi (--disable-libgcc-math): Document.
5663 2006-05-22 Richard Guenther <rguenther@suse.de>
5666 2006-01-31 Richard Guenther <rguenther@suse.de>
5668 * doc/invoke.texi (-msselibm): Document.
5669 * target.h (expand_library_builtin): New target hook.
5670 * builtins.c (expand_builtin): Use expand_library_builtin.
5671 (default_expand_library_builtin): New function.
5672 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5673 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5674 (link_gcc_math_spec): Declare.
5675 (static_specs): Add link_gcc_math_spec.
5676 * expr.h (default_expand_library_builtin): Declare.
5677 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5678 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5679 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5680 * config/i386/i386.opt (msselibm): New target option.
5681 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5682 (ix86_init_sse_abi_builtins): New function.
5683 (ix86_expand_library_builtin): Likewise.
5684 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5685 (override_options): Handle error conditions wrt -msselibm.
5686 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5687 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5688 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5691 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5694 * c-common.c (self_promoting_args_p): Skip erroneous args.
5697 * c-decl.c (finish_struct): Skip erroneous fields.
5699 2006-05-22 Nick Clifton <nickc@redhat.com>
5701 * config/cris/cris.opt (march): Remove VarExists attribute.
5702 (max-stackframe=): Likewise.
5704 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5706 * doc/rtl.texi: Fix a typo.
5707 * see.c: Fix comment typos.
5709 * tree-ssa-structalias.h (alias_info): Remove num_references.
5711 2006-05-21 Mike Stump <mrs@apple.com>
5713 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5715 (darwin_pragma_options): Use BAD instead.
5716 (darwin_pragma_unused): Likewise.
5717 (darwin_pragma_ms_struct): Likewise.
5719 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5721 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5723 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5725 PR rtl-optimization/27671
5726 * simplify-rtx.c (simplify_relational_operation_1): Fix
5727 simplifications of (eq/ne (xor x y) y) and
5728 (eq/ne (xor x y) x).
5730 PR tree-optimization/26622.
5731 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5734 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5736 * tree-cfg.c: Prune whitespace.
5737 (debug_tree_cfg): Point to correct header containing the
5740 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5743 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5745 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5748 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5749 or sorry count is non zero.
5751 2006-05-20 Andreas Schwab <schwab@suse.de>
5753 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5755 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5756 Kenneth Zadeck <zadeck@naturalbridge.com>
5758 PR rtl-optimization/26855
5760 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5762 (df_scan_alloc): Added code to properly handle multiword hard
5763 registers and add all_blocks parameter.
5764 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5765 code to properly handle multiword hard registers.
5766 (df_rescan_blocks): Added code to remove deleted blocks from
5768 (df_ref_create_structure, df_ref_record): Added code to properly
5770 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5771 and set DF_REF_PARTIAL.
5772 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5773 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5774 (df_scan_add_problem): Added flags parameter.
5775 (df_ref_create_structure): Changed switching structure.
5776 (df_bb_refs_record): Fixed case where duplicate artificial refs
5777 were created. Changed location of flags.
5778 (df_record_entry_block_defs): Added code to make stack pointer
5779 live in entry block. Refined cases where frame pointer is needed.
5780 Changed location of flags.
5781 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5782 (df_set_state): Removed function.
5783 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5784 df_insn_create_insn_record, df_insn_refs_delete,
5785 df_ref_create_structure): Formatting changes.
5786 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5787 df_delete_basic_block): New function.
5788 (df_init): Changed location of flags.
5789 (df_add_problem): Added flags parameter and the way flags are
5791 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5792 debug_df_chain): Improved debugging output.
5793 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5794 (df_refs_chain_dump): Removed df parameter.
5795 (df_iterative_dataflow): Added consistency check.
5796 (df_prune_to_subcfg): Made public.
5797 (df_analyze_problem): Added blocks_to_init parameter and made
5799 (df_ref_record, df_bb_refs_record, df_mark_reg,
5800 df_record_exit_block_uses): Whitespace changes.
5801 (df_dump): Whitespace changes.
5802 * df.h: Some reordering to remove forward references.
5803 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5804 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5805 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5806 (dataflow.flags): New field.
5807 (df.flag): Deleted field.
5808 (df_alloc_function): Added additional bitmap parameter.
5809 (df_dependent_problem_function): New type.
5810 (df_problem.changeable_flags): New field.
5811 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5812 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5813 (df_mw_hardreg): New struct.
5814 (DF_INSN_UID_MWS): New macro.
5815 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5817 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5818 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5819 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5820 (df_set_state): Removed function.
5821 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5822 * df-problems.c (df_chain_dump): Removed df parameter.
5823 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5824 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5826 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5827 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5828 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5829 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5830 DF_REF_MUST_CLOBBER cases.
5831 (df_ru_bb_local_compute_process_def,
5832 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5833 df_lr_bb_local_compute, df_ur_bb_local_compute,
5834 df_chain_create_bb): Made subreg aware.
5835 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5836 df_lr_bb_local_compute, df_lr_bb_local_compute,
5837 df_chain_create_bb): Cleanup to use proper macros.
5838 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5839 code to fixup bitvectors.
5840 (df_ri_alloc): Cleared lifetime.
5841 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5842 df_create_unused_note): New function.
5843 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5844 REG_DEAD and REG_UNUSED notes as well as register information.
5845 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5846 df_chains_dump): Fixed crash if problem was never run.
5847 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5848 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5849 df_ri_add_problem): Processes flags in uniform manner.
5850 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5851 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5852 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5853 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5854 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5855 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5856 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5857 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5858 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5859 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5860 * see.c (see_initialize_data): Ditto.
5861 * final.c (rest_of_clean_state) Added regstack_completed.
5862 * rtl.h (regstack_completed): Ditto.
5863 * reg-stack.c (regstack_completed): Ditto.
5865 2006-05-19 Mike Stump <mrs@apple.com>
5867 * c-tree.h (default_conversion): Remove.
5868 * c-common.h (default_conversion): Add.
5870 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5872 * tree-vrp.c (valid_value_p): New function.
5873 (adjust_range_with_scev): Fail if the value of bound is not
5876 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5878 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5879 (mips_fallback_frame_state): Use syscall numbers to determine
5880 the appropriate li instruction for the current ABI. Only use
5881 __NR_sigreturn for o32.
5883 2006-05-19 Nicolas Setton <setton@adacore.com>
5885 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5886 * langhooks.c (lhd_dwarf_name): New function.
5887 * langhooks-def.h (lhd_dwarf_name): Declare.
5888 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5889 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5890 * ada/misc.c (gnat_dwarf_name): New function.
5891 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5893 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5895 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5897 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5898 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5899 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5900 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5901 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5902 determine the size of Wtype, etc.
5903 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5904 (swfloatfuncs): New variable.
5905 (dwfloatfuncs): Likewise.
5906 (lib2funcs): Remove floating-point conversion functions from
5907 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5908 the set of conversion routines needed. Allow entries to specify
5909 an object name, filename and word size. Update users accordingly.
5910 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5911 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5915 2006-02-08 Roger Sayle <roger@eyesopen.com>
5918 * config/fixtfdi.c: New libgcc source file.
5919 * config/fixunstfdi.c: New source file.
5920 * config/floatditf.c: New source file.
5921 * config/floatunditf.c: New souce file.
5922 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5923 files above instead of config/mips/_tilib.c.
5924 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5926 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5928 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5929 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5931 2006-05-18 Mike Stump <mrs@apple.com>
5933 Fix up vla, vm and [*] sematics.
5939 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5940 (c_vla_unspec_p): Add.
5941 (c_vla_type_p): Add.
5942 * c-decl.c (struct c_scope): Add had_vla_unspec.
5943 (build_array_declarator): Add support for [*].
5944 (grokdeclarator): Likewise.
5945 (grokparms): Likewise.
5946 (get_parm_info): Likewise.
5947 * c-objc-common.c (c_vla_unspec_p): Likewise.
5948 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5949 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5950 typeof when argument is a variably modified type not inside sizeof or alignof.
5951 (c_parser_direct_declarator_inner): Propagate errors.
5952 (c_parser_sizeof_expression): Add support for [*].
5953 (c_parser_parms_declarator): Initialize had_vla_unspec.
5954 (c_parser_parms_list_declarator): Likewise.
5955 * c-typeck.c (c_vla_type_p): Add.
5956 (composite_type): Add support for vla compositing.
5957 (comptypes_internal): Add support for vla compatibility.
5958 (c_expr_sizeof_expr): Evaluate vla arguments.
5959 * tree.c (variably_modified_type_p): Update comment for [*].
5961 2006-05-18 Michael Matz <matz@suse.de>
5964 * config.host: Make assignments to host_xmake_file cumulative.
5965 * config.host (*-darwin*): Test $host, not $target.
5967 2006-05-12 Stuart Hastings <stuart@apple.com>
5969 * config/i386/i386.opt (-mstackrealign): New flag.
5970 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5971 (ix86_handle_cconv_attribute): Emit error when
5972 force_align_arg_pointer attribute collides with too many regparms.
5973 (ix86_function_regparm): Limit regparms when used with
5974 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5975 Support stack-realigning prologue in non-main functions. Emit
5976 warning for nested functions under -mstackrealign, emit error for
5977 nested functions with force_align_arg_pointer attribute.
5978 * doc/extend.texi (force_align_arg_pointer): Document it.
5979 * doc/invoke.texi (-mstackrealign): Document it.
5981 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5983 PR rtl-optimization/27477
5984 * combine.c (try_combine): Don't split a parallel consisting
5985 of two sets into two individual sets if both sets reference
5988 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5990 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5991 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5993 * doc/options.texi (VarExists): Updated.
5995 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5997 * unwind-dw2.c: Add declarations for uw_update_context and
5999 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6000 detected, advance frame state and context once to skip over stub.
6002 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6006 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6007 Call rewrite_into_loop_closed_ssa only when something changed.
6008 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6009 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6010 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6011 Test for perfect_nest_p here. Fix formating.
6012 (replace_uses_equiv_to_x_with_y): Fix formating.
6013 (stmt_uses_op): Removed.
6014 (can_convert_to_perfect_nest): Removed loopivs parameter.
6015 Complete the test by checking the scalar dependences.
6016 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6019 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6022 From Dan Kegel <dank@kegel.com>:
6023 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6025 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6027 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6028 if the element type is variably modified without recursing.
6030 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6033 * tree-loop-linear.c (try_interchange_loops): Test for
6034 no data dependences.
6036 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6038 PR tree-optimization/27548
6039 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6040 range of ssa names that appear on abnormal edges.
6041 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6042 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6044 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6047 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6049 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6052 * tree.h (OMP_PARALLEL_COMBINED): Define.
6053 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6054 (new_omp_context): Add is_combined_parallel argument.
6055 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6056 new_omp_context caller.
6057 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6058 Adjust gimplify_scan_omp_clauses callers.
6059 (omp_is_private): Issue errors if iteration variable is firstprivate
6060 or reduction in the current context.
6061 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6062 on combined parallel workshare constructs.
6064 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6066 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6067 (gcc-options.o): New rule.
6069 * optc-gen.awk: Protect variables for gcc-options.o with
6070 #ifdef GCC_DRIVER/#endif.
6072 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6074 Fix PR tree-optimization/27373
6075 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6076 (forward_propagate_addr_expr): Update call.
6078 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6080 * doc/options.texi: Move the Negative option.
6082 2006-05-16 Richard Guenther <rguenther@suse.de>
6084 PR tree-optimization/22303
6085 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6087 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6088 ccp_fold did not simplify the statement.
6090 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6093 * Makefile.in (GCC_OBJS): New.
6094 (OBJS-common): Add opts-common.o.
6095 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6096 (cpp$(exeext)): Likewise.
6097 (gcc.o): Also depend on opts.h.
6098 (opts-common.o): New.
6100 * common.opt (gcoff): Add Negative(gdwarf-2).
6101 (gdwarf-2): Add Negative(gstabs).
6102 (gstabs): Add Negative(gstabs+).
6103 (gstabs+): Add Negative(gvms).
6104 (gvms): Add Negative(gxcoff).
6105 (gxcoff): Add Negative(gxcoff+).
6106 (gxcoff+): Add Negative(gcoff).
6107 * config/i386/i386.opt (m32): Add Negative(m64).
6108 (m64): Add Negative(m32).
6110 * doc/options.texi: Document the Negative option.
6112 * gcc.c: Include "opts.h".
6113 (main): Call prune_options after expandargv.
6115 * optc-gen.awk: Generate common declarations for all flag
6116 variables in options.c. Output the neg_index field.
6118 * opts.c (find_opt): Moved to ...
6119 * opts-common.c: Here. New file.
6121 * opts.h (cl_option): Add a neg_index field.
6123 (prune_options): Likewise.
6125 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6128 * omp-low.c (expand_omp_parallel): Don't assert
6129 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6130 instead search for it.
6133 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6136 2006-05-16 Andreas Schwab <schwab@suse.de>
6138 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6141 2006-05-15 Roger Sayle <roger@eyesopen.com>
6144 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6145 integer constants other than zero are only legitimate on TARGET_64BIT.
6146 <CONST_VECTOR> Only zero vectors are legitimate.
6147 (ix86_cannot_force_const_mem): Integral and vector constants can
6148 always be put in the constant pool.
6150 2006-05-16 DJ Delorie <dj@redhat.com>
6152 * crtstuff.c (__dso_handle): Set section from
6153 TARGET_LBIGCC_SDATA_SECTION if defined.
6154 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6155 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6157 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6160 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6163 2006-05-16 Ben Elliston <bje@au.ibm.com>
6165 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6167 2006-05-15 Per Bothner <per@bothner.com>
6169 * tree.c: (last_annotated_node): Use source_locus typedef.
6170 This permits bootstrapping with --enable-mapped-location.
6172 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6174 PR tree-optimization/26830
6175 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6176 (info_for_ssa_name, current_info_for_ssa_name_age,
6177 blocks_to_update): New variables.
6178 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6179 (clear_ssa_name_info, initialize_flags_in_bb,
6180 mark_block_for_update): New functions.
6181 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6182 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6183 prepare_def_site_for): Use mark_block_for_update.
6184 (mark_def_interesting): Assert that the processed block is marked in
6185 blocks_to_update. Do not take blocks argument.
6186 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6188 (rewrite_update_init_block, rewrite_update_stmt): Only process
6189 blocks with statements to rewrite.
6190 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6191 (update_ssa): Initialize and free blocks_to_update. Do not
6192 clear flags on statements. Do not use blocks bitmap.
6193 * tree.h (SSA_NAME_AUX): Removed.
6194 (struct tree_ssa_name): Removed aux field.
6195 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6197 2006-05-15 Richard Guenther <rguenther@suse.de>
6199 PR tree-optimization/27603
6200 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6201 Do computations in original type.
6203 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6205 * see.c: Code style changes such as redundant paranthesis,
6206 redundant intialization of local variables etc.
6207 (see_main): Declared now as static.
6208 * doc/invoke.texi: Update that -fsee is not enabled by
6211 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6213 * omp-low.c (check_omp_nesting_restrictions): New function.
6214 (scan_omp_1): Call it.
6217 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6218 construct, return *VAR.
6220 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6222 PR rtl-optimization/27406
6223 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6226 2006-05-14 Roger Sayle <roger@eyesopen.com>
6228 PR rtl-optimization/27538
6229 * combine.c (expand_compound_operation): Call gen_lowpart
6230 before calling simplify_shift_const.
6232 2006-05-14 Roger Sayle <roger@eyesopen.com>
6234 PR rtl-optimization/22563
6235 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6236 a fixed width bitfield, always force the intermediates into psuedos.
6238 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6241 * mkconfig.sh: Use operator = instead of == for test.
6243 2006-05-13 Nick Clifton <nickc@redhat.com>
6245 * dwarf2out.c (dbx_reg_number): Check return value from
6246 LEAF_REG_REMAP and only use it if it is valid.
6247 (multiple_reg_loc_descriptor): Likewise.
6249 2006-05-13 Richard Guenther <rguenther@suse.de>
6251 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6254 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6256 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6257 information attached to non-INSNs such as NOTEs.
6258 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6260 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6262 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6264 * config/s390/s390.md: Adjust comment describing On constraint.
6266 2006-05-11 Jan Hubicka <jh@suse.cz>
6268 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6269 to be output at -O0.
6271 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6274 * fold-const.c (size_binop): Move sanity check for arguments to
6275 the beginning of the function.
6278 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6281 2006-05-11 Richard Guenther <rguenther@suse.de>
6284 * fold-const.c (fold_unary): Handle intermediate conversion
6285 to a pointer type like intermediate conversion to an integer
6286 type in folding of (T1)(T2)var to var.
6287 Match the code to the comment in the final conversion for
6288 (T1)(T2)var to (T1)var regarding to type precision. Rather
6289 than disallow T1 being of pointer type, assert that both T1
6290 and var are of pointer type or not. Make sure not to fall
6291 over the frontends lazyness wrt array to pointer decay though.
6293 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6295 * arm.c (arm_struct_value_rtx): Delete.
6296 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6297 (arm_init_cumulative_args): Always initialize nregs to zero.
6299 2006-05-10 Richard Guenther <rguenther@suse.de>
6301 PR tree-optimization/27532
6302 * tree-object-size.c (plus_expr_object_size): Fix typo.
6304 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6307 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6308 ashrdi_const, ashrdi3): Use a scratch register.
6310 2006-05-10 Richard Guenther <rguenther@suse.de>
6312 PR tree-optimization/27302
6313 * fold-const.c (operand_equal_p): For two comparisons,
6314 try comparison of one comparison code swapped if that yields
6317 2006-05-10 Ben Elliston <bje@au.ibm.com>
6319 * tree-pretty-print.c (pretty_print_string): No need to handle
6320 '\0' as a special character.
6322 * tree.h: Include "hashtab.h".
6323 (iterative_hash_expr): Use hashval_t in its prototype.
6324 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6326 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6329 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6330 (hppa*64*-*-hpux11*): Ditto.
6331 (hppa[12]*-*-hpux11*): Ditto.
6333 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6336 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6338 2006-05-09 Michael Matz <matz@suse.de>
6340 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6341 host_extra_gcc_objs and host_xmake_file.
6342 (<*-*-linux*>): Don't overwrite host_xmake_file.
6343 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6344 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6345 (host_detect_local_cpu): Declare.
6346 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6347 * config/i386/i386.c (override_options): Handle -mtune=native
6349 * config/i386/x-i386: New file.
6350 * config/i386/driver-i386.c: New file.
6351 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6354 2006-05-09 Dirk Mueller <dmueller@suse.de>
6355 Richard Guenther <rguenther@suse.de>
6358 * fold-const.c (fold_read_from_constant_string): Relax check
6359 for matching types to matching modes.
6361 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6363 PR rtl-optimization/27335
6364 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6367 2006-05-08 Chao-ying Fu <fu@mips.com>
6368 Richard Sandiford <richard@codesourcery.com>
6370 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6371 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6372 * config/mips/mips.md (UNSPEC_SCC): New constant.
6373 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6374 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6375 (mips_emit_compare): Use it.
6376 (mips_expand_vcondv2sf): New function.
6378 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6380 Fix PR tree-optimization/27093
6381 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6382 renaming when they become not-used_alone.
6384 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6386 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6387 relocation and relocation stubs.
6389 2006-05-08 Eric Christopher <echristo@apple.com>
6391 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6394 2006-05-08 Jan Hubicka <jh@suse.cz>
6397 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6398 unused static functions are needed.
6400 2006-05-08 Roger Sayle <roger@eyesopen.com>
6403 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6404 of a reg_equiv_constant if the result is a legitimate constant.
6406 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6409 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6410 standard 80387 constants, raise the cost to prevent
6411 compress_float_constant() to generate load from memory.
6413 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6415 * config/arm/constraints.md (c): Fix a typo.
6417 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6420 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6423 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6425 (_mm_mwait): Likewise.
6427 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6429 (sse3_monitor): Make it 32bit only.
6430 (sse3_monitor64): New. 64bit monitor.
6432 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6435 * config/i386/i386.c (classify_argument): Skip fields with invalid
6438 2006-05-07 Richard Guenther <rguenther@suse.de>
6440 PR tree-optimization/27409
6441 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6442 Do not try to find zero-sized subvars.
6444 2006-05-07 Richard Guenther <rguenther@suse.de>
6446 PR tree-optimization/27136
6447 * tree-ssa-loop-niter.c (get_val_for): Correct function
6448 comment, assert requirements.
6449 (loop_niter_by_eval): Stop processing if the iterated
6450 value did not simplify.
6452 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6454 * opts.c (flag_see): remove its setting at -O3.
6456 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6458 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6459 * arm/constraints.md: New file.
6460 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6461 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6462 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6463 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6464 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6465 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6466 * arm.md: Include constraints.md.
6467 (thumb_movsi_insn): Use satisfies_constraint_J.
6468 (movhi, movqi): Use satisfies_constraint_I.
6470 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6472 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6473 for atmeg a645 device.
6475 2006-05-06 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/27151
6478 * tree-vect-transform.c (vectorizable_condition): Punt on
6479 values that have a different type than the condition.
6481 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6484 * c-parser.c (c_parser_cast_expression): Only insert casts into
6485 hash table if pointer.
6486 * function.c (used_types_insert_helper): Rename from
6488 (used_types_insert): Call used_types_insert_helper.
6489 * function.h (used_types_insert): Accept only one argument.
6491 2006-05-05 David Edelsohn <edesohn@gnu.org>
6493 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6494 scratch with output modifier.
6496 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6499 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6500 with output modifier.
6502 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6505 * config/mips/mips.c (mips_symbolic_address_p): Return true
6506 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6507 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6509 2006-05-04 Richard Guenther <rguenther@suse.de>
6511 PR tree-optimization/14287
6512 PR tree-optimization/14844
6513 PR tree-optimization/19792
6514 PR tree-optimization/21608
6515 PR tree-optimization/27090
6516 * tree-ssa-pre.c (try_combine_conversion): New function.
6517 (compute_avail): After constructing the value-handle
6518 expression, use try_combine_conversion to combine NOP_EXPRs
6519 with previous value-handle expressions and use the result if it
6522 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6524 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6526 2006-05-04 Jan Hubicka <jh@suse.cz>
6529 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6531 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6533 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6534 that this only matches CONST_INTs. All users changed to VOIDmode
6537 * config/bfin/bfin.c: Include "optabs.h".
6538 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6540 (enum bfin_builtins): Add a number of fractional and vector builtins.
6541 (bfin_init_builtins): Likewise.
6542 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6543 (safe_vector_operand, bfin_expand_binop_builtin,
6544 bfin_expand_unop_builtin): New functions.
6545 (bfin_expand_builtin): Handle the new builtins.
6546 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6549 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6552 * Makefile.in (OBJS-common): Add see.o.
6553 (see.o): Add dependencies.
6554 * common.opt (fsee): New flag for the see optimization was added.
6555 * opts.c (flag_see): Initialized.
6556 * passes.c (init_optimization_passes, pass_see): New pass.
6557 * rtl.h (see_main): Declaration as extern.
6558 * timevar.def (TV_SEE): New.
6559 * tree-pass.h (pass_see): Declaration as extern.
6560 * invoke.texi (-fsee): Document.
6561 * recog.c (validate_simplify_insn): New function.
6562 * recog.h (validate_simplify_insn): Declaration as extern.
6563 * df-problems.c (df_chain_dump): Check for NULL.
6565 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6566 Daniel Berlin <dberlin@dberlin.org>
6568 * cfgrtl.c (insert_insn_bb_end_new): New function.
6569 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6571 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6573 * df.h (struct web_entry): Moved from web.c.
6574 (union_defs): Declaration as extern.
6575 (unionfind_root): Likewise.
6576 (unionfind_union): Likewise.
6577 * web.c (struct web_entry): Moved to df.h.
6578 (unionfind_root): Remove static declaration.
6579 (unionfind_union): Likewise.
6580 (union_defs): Likewise and generalize to use callback function.
6581 (web_main): Update arguments for union_defs function call.
6583 2006-05-04 Richard Guenther <rguenther@suse.de>
6585 PR tree-optimization/26447
6586 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6587 produce SSA_NAME copies before the store stmt to avoid
6588 breaking exception handling.
6590 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6593 * gimplify.c (omp_is_private): If var is shared in some outer context,
6594 return false instead of true. Stop searching on parallel context
6597 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6600 * coverage.c: Use get_gcov_unsigned_t() instead of
6601 unsigned_type_node all over.
6603 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6605 PR tree-optimization/27381
6606 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6607 maintain the same immediate_use links.
6608 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6609 node rather than segfaulting.
6611 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6614 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6615 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6616 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6618 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6620 Fix PR tree-optimization/26626
6621 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6623 * tree-ssa-operands.c (access_can_touch_variable): Allow
6624 typecasting through union pointers.
6626 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6629 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6630 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6631 to find if var will be a global variable even in the nested context.
6632 (omp_copy_decl): Only check for global variable at the end, it might
6633 be overridden in outer contexts.
6634 (scan_sharing_clauses): For global variables don't create a field.
6635 (lower_rec_input_clauses): Do nothing for global shared variables.
6636 Emit a barrier at the end of ILIST if there were any decls in both
6637 firstprivate and lastprivate clauses.
6638 (lower_send_clauses): Do nothing for global variables except for
6641 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6643 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6644 of the correct signedness is returned.
6646 2006-05-02 Jeff Law <law@redhat.com>
6648 PR tree-optimization/27364
6649 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6650 multiply expressions.
6652 2006-05-02 Tom Tromey <tromey@redhat.com>
6654 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6656 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6659 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6660 -mthumb -fPIC are used.
6662 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6663 Joshua Kinard <kumba@gentoo.org>
6666 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6667 with 64-bit pointers.
6669 2006-05-02 Paul Brook <paul@codesourcery.com>
6671 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6673 (create_fix_barrier): Check that a suitable barrier location is
6675 (arm_reorg): Include ftmp->address in allowable range of addresses.
6677 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6680 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6683 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6686 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6687 around RESULT_DECL for result passed by reference.
6688 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6689 * omp-low.c (use_pointer_for_field): Don't look at
6690 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6691 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6692 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6693 time or var for passing by reference for
6694 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6695 TREE_ADDRESSABLE variables when passing by reference.
6697 * omp-low.c (dump_omp_region): Fix output formatting.
6700 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6701 (expand_omp_parallel): Likewise.
6702 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6705 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6706 on statement list containing also constructors and destructors.
6707 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6710 * except.c (duplicate_eh_regions): Fix clearing of
6711 cfun->eh->region_array entries.
6713 2006-05-01 DJ Delorie <dj@redhat.com>
6715 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6717 (gcc_cv_objdump): Likewise.
6718 * configure: Regenerated.
6720 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6723 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6724 templates for case 3 and 4.
6726 2006-05-01 DJ Delorie <dj@redhat.com>
6728 * vec.c: Include bconfig.h when appropriate.
6729 * Makefile.in (build/vec.o): Adjust dependencies.
6730 * mkconfig.sh: Make sure config.h isn't used for build machine
6733 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6735 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6737 (mark_phi_for_rewrite): New function.
6738 (insert_phi_nodes_for, mark_use_interesting): Call
6739 mark_phi_for_rewrite.
6740 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6741 (update_ssa): Initialize and free phis_to_rewrite.
6743 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6745 PR rtl-optimization/27291
6746 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6747 folded to a constant.
6749 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6751 PR tree-optimization/27283
6752 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6753 not whole # of iteration descriptions.
6754 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6755 uses abnormal ssa name.
6756 (niter_for_single_dom_exit): Ditto.
6757 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6758 return just the number of iterations.
6760 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6762 PR tree-optimization/27144
6763 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6764 (record_estimate): Only record constant upper bound.
6765 (infer_loop_bounds_from_undefined): Call
6766 compute_estimated_nb_iterations just once.
6767 (proved_non_wrapping_p): Renamed to ...
6768 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6769 (convert_step_widening, scev_probably_wraps_p): Call
6770 n_of_executions_at_most instead of proved_non_wrapping_p.
6771 (substitute_in_loop_info): Do not replace values in bounds.
6772 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6775 2006-05-01 Richard Henderson <rth@redhat.com>
6778 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6779 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6782 2006-05-01 Roger Sayle <roger@eyesopen.com>
6784 * c-typeck.c (parser_build_binary_op): Don't call the function
6785 unsigned_conversion_warning to spot operand/result type overflow.
6786 (build_binary_op): Instead, call convert_and_check instead of
6787 convert to report the problem when the operands are promoted.
6788 * c-common.c (unsigned_conversion_warning): Make static.
6789 * c-common.h (unsigned_conversion_warning): Delete prototype.
6791 2006-05-01 Richard Guenther <rguenther@suse.de>
6793 PR tree-optimization/26726
6794 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6796 (find_interesting_uses_address): ... we work around here
6797 by folding INDIRECT_REFs in the substituted base.
6799 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6801 * omp-low.c (dump_omp_region): Add newlines.
6803 2006-04-30 Roger Sayle <roger@eyesopen.com>
6805 * common.opt (Woverflow): New command line option.
6806 * c-common.c (constant_expression_warning): Check warn_overflow.
6807 (overflow_waring): Pass OPT_Woverflow to warning.
6808 (unsigned_conversion_warning): Likewise.
6809 (convert_and_check): Likewise.
6810 * doc/invoke.texi: Document new command line option.
6812 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6814 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6815 TARGET_NO_FP_IN_TOC for section anchors.
6816 (optimization_options): Enable section anchors for all
6817 non-"Objective" languages.
6819 2006-04-28 Eric Christopher <echristo@apple.com>
6821 * config/darwin-c.c (darwin_ms_struct): Move this
6822 (darwin_set_default_type_attributes): and this...
6823 * config/darwin.c: ... here.
6824 * config/darwin.h (darwin_ms_struct): Declare.
6826 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6828 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6830 2006-04-28 Roger Sayle <roger@eyesopen.com>
6833 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6834 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6835 an unsigned HOST_WIDE_INT.
6836 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6838 (really_start_incremental_init): No need to call convert because
6839 bitsize_zero_node is already of type bitsizetype.
6840 (push_init_level): Extract the value of constructor_index as an
6841 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6842 (process_init_element): Likewise.
6844 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6846 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6847 value before passing to make_relative_prefix.
6849 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6852 * builtins.c (expand_builtin_memset): Expand val in original mode.
6854 2006-04-27 Eric Christopher <echristo@apple.com>
6856 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6857 with #ifndef/#endif.
6858 * config/darwin-c.c (darwin_ms_struct): New.
6859 (darwin_pragma_ms_struct): Ditto.
6860 (darwin_set_default_type_attributes): Ditto.
6861 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6862 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6863 Register ms_struct pragma.
6864 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6865 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6866 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6867 darwin_set_default_type_attributes if TARGET_MACHO.
6869 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6871 PR tree-optimization/26854
6872 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6873 * doc/tree-ssa.texi: Update immuse iterator documentation.
6874 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6875 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6876 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6877 first_safe_imm_use, next_safe_imm_use): Remove.
6878 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6879 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6880 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6881 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6882 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6883 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6884 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6885 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6886 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6887 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6888 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6889 (perfect_nestify): Use new iterator.
6890 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6892 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6893 (next_imm_name): New field in struct immediate_use_iterator_d.
6894 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6895 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6896 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6897 * tree-cfg.c (replace_uses_by): Use new iterator.
6898 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6899 * tree-ssa-operands.c (correct_use_link): Remove.
6900 (finalize_ssa_use_ops): No longer call correct_use_link.
6902 2006-04-27 Stuart Hastings <stuart@apple.com>
6904 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6905 * config/t-darwin (crt3.o): Use it.
6906 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6907 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6908 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6909 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6910 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6913 2006-04-27 Roger Sayle <roger@eyesopen.com>
6915 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6916 size, force the intermediate into a new pseudo rather instead of
6917 performing both a bitwise AND and a bitwise IOR in memory.
6919 2006-04-27 Richard Guenther <rguenther@suse.de>
6921 PR rtl-optimization/26685
6922 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6923 this one "max-flow-memory-locations".
6925 2006-04-27 Richard Guenther <rguenther@suse.de>
6927 PR tree-optimization/25148
6928 * tree-vrp.c (compare_values): Remove code dealing with
6929 comparisons against type min/max value. Honour overflow
6930 and negative constants in code dealing with comparisons
6931 of plus and minus expressions.
6932 (value_inside_range): Use fold_binary with LE_EXPR and
6933 GE_EXPR rather than compare_values.
6935 2006-04-27 Dirk Mueller <dmueller@suse.de>
6937 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6940 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6942 * basic-block.h (safe_insert_insn_on_edge): Removed.
6943 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6945 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6946 Paolo Bonzini <bonzini@gnu.org>
6949 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6950 (simplify_and_const_int): Same.
6952 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6954 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6956 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6959 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6960 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6961 cgraph_global_info_ready.
6964 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6967 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6968 either decl or init is error_mark_node.
6971 * tree-flow.h (struct omp_region): Add sched_kind.
6972 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6973 instead of extracting omp for data.
6974 (expand_omp_for): Save extracted sched_kind.
6976 2006-04-25 Roger Sayle <roger@eyesopen.com>
6978 * expmed.c (store_bit_field): Also check whether the bitsize is
6979 valid for the machine's "insv" instruction before moving the
6980 target into a pseudo for use with the insv.
6981 * config/i386/predicates.md (const8_operand): New predicate.
6982 * config/i386/i386.md (extv, extzv, insv): Use the new
6983 const8_operand predicate where appropriate.
6985 2006-04-25 DJ Delorie <dj@redhat.com>
6987 * doc/install.texi (Specific): Clarify that this is not a list of
6988 supported hosts or targets.
6990 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6992 PR rtl-optimization/26725
6993 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6994 block's BB_DIRTY flag.
6996 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6998 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7001 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7002 to print an integer.
7004 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7006 * varasm.c (align_variable): New function.
7007 (get_block_for_decl): Apply align_variable to DECL before
7008 calculating section information.
7009 (assemble_variable): Split out alignment computation.
7011 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7013 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7016 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7018 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7019 MODE_PARTIAL_INT mode.
7020 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7021 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7023 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7024 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7026 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7028 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7030 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7031 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7032 MACFLAG_IH): Likewise.
7033 (movstricthi_1): Renamed from "*movstricthi".
7034 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7035 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7036 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7037 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7038 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7039 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7040 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7041 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7042 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7043 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7044 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7045 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7046 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7047 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7048 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7050 * doc/rtl.texi (ss_ashift): Improve wording.
7052 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7054 * dwarf2out.c (verify_marks_clear): New.
7055 (prune_unused_types): Call verify_marks_clear initially, not
7058 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7060 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7061 * doc/rtl.texi: Document them.
7062 * simplify-rtx.c (simplify_unary_operation,
7063 simplify_binary_operation_1): Don't abort when we see them.
7065 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7068 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7069 * configure.ac: Completely disregard languages that are not
7071 * configure: Regenerated.
7073 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7074 Richard Guenther <rguenther@suse.de>
7076 PR tree-optimization/27236
7077 * tree-inline.c (copy_body_r): Make sure to copy
7078 TREE_THIS_VOLATILE flag.
7080 2006-04-24 Richard Guenther <rguenther@suse.de>
7083 * tree-complex.c (update_parameter_components): Don't handle
7084 unused parameters which have no default def.
7086 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7087 Richard Guenther <rguenther@suse.de>
7089 PR tree-optimization/27218
7090 * tree-inline.c (expand_call_inline): Strip useless type
7091 conversions for the return slot address.
7093 2006-04-24 Richard Guenther <rguenther@suse.de>
7095 * cfgloop.h (struct loops): Remove unused field array. Reorder
7097 (LOOP_PREFETCH): Remove.
7099 2006-04-24 Richard Guenther <rguenther@suse.de>
7101 PR tree-optimization/22525
7102 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7103 variable, adjust types of generated expressions.
7105 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7107 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7108 (tree-vect-patterns.o): Likewise.
7110 (cselib.o): Likewise.
7111 (loop-doloop.o): Likewise.
7112 (regclass.o): Likewise.
7113 (reload1.o): Likewise.
7114 (explow.o): Replace target.h with $(TARGET_H).
7115 (ipa-prop.o): Likewise.
7116 (ipa-cp.o): Likewise.
7117 (ipa-inline.o): Likewise.
7118 (reorg.o): Likewise.
7119 (reg-stack.o): Likewise.
7121 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7123 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7125 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7127 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7129 * configure.ac: Completely disregard languages that are not
7131 * configure: Regenerated.
7134 * c-common.h (c_build_bitfield_integer_type): Declare.
7135 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7136 * c-common.c (c_build_bitfield_integer_type): ... here.
7138 2006-04-23 Roger Sayle <roger@eyesopen.com>
7141 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7142 a SImode SUBREG of a floating point register after no_new_pseudos.
7144 2006-04-23 Roger Sayle <roger@eyesopen.com>
7146 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7147 identify potentially eliminable registers to additionally catch
7148 VIRTUAL_INCOMING_ARGS_REGNUM.
7149 (addsi3): Update the conditions on when to use addsi_small_int.
7151 2006-04-23 Roger Sayle <roger@eyesopen.com>
7154 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7155 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7156 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7158 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7160 * fold-const.c (range_predecessor): Use operand_equal_p
7161 as the predicate for equality.
7162 (range_successor): Likewise.
7164 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7167 * config/soft-fp/op-common.h: Fix a typo.
7169 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7172 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7173 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7175 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7177 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7179 * doc/tm.texi: Fix a typo.
7181 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7183 * dwarf2out.c (struct die_struct): Document that die_sib makes
7184 a circular linked list.
7185 (FOR_EACH_CHILD): New.
7186 (reverse_die_lists): Delete.
7187 (reverse_all_dies): Delete.
7188 (add_dwarf_attr): Correct documentation.
7189 (remove_child_with_prev): New.
7190 (remove_child_TAG): Update for change to die_struct, use
7191 remove_child_with_prev.
7192 (add_child_die): Update for change to die_struct.
7193 (splice_child_die): Use remove_child_with_prev and add_child_die.
7194 (print_die): Use FOR_EACH_CHILD.
7195 (die_checksum): Likewise.
7196 (assign_symbol_names): Likewise.
7197 (output_location_lists): Likewise.
7198 (build_abbrev_table): Likewise.
7199 (calc_die_sizes): Likewise.
7200 (mark_dies): Likewise.
7201 (unmark_dies): Likewise.
7202 (unmark_all_dies): Likewise.
7203 (output_die): Likewise.
7204 (prune_unused_types_mark): Likewise.
7205 (prune_unused_types_walk): Likewise.
7206 (same_die_p): Update for change to die_struct.
7207 (break_out_includes): Likewise.
7208 (prune_unused_types_prune): Likewise.
7209 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7210 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7212 (dwarf2out_finish): Don't call reverse_all_dies.
7214 2006-04-21 Eric Christopher <echristo@apple.com>
7216 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7217 in comments and function names.
7219 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7222 * c-typeck.c (digest_init): Robustify.
7224 * c-typeck.c (pop_init_level): Simplify.
7226 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7228 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7230 2006-04-21 Paul Brook <paul@codesourcery.com>
7232 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7233 hardware floating point.
7235 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7237 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7240 2006-04-21 Nick Clifton <nickc@redhat.com>
7242 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7245 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7248 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7249 C++ lang type in traceback table for Objective-C++.
7251 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7253 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7255 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7257 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7260 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7261 were errors. Remove check for erroneous objects.
7263 2006-04-20 Jeff Law <law@redhat.com>
7265 PR tree-optimization/26854
7266 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7267 checking for zero or one use.
7268 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7269 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7270 * tree-ssa-reassoc.c (negate_value): Similarly.
7271 (reassociate_bb): Similarly.
7273 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7275 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7276 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7277 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7279 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7281 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7282 fp regs if the last fp arg doesn't fit in regs.
7284 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7287 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7288 that the last insn has the REG_INC note.
7290 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7291 Nathan Sidwell <nathan@codesourcery.com>
7294 * stor-layout.c (update_alignment_for_field): Do not align
7296 (place_union_field): Place union field at the start of the union.
7297 (place_field): Move ERROR_MARK check later, and use the current
7298 allocation position to maintain monotonicity.
7300 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7302 * dominance.c: Include timevar.h.
7303 (calculate_dominance_info): Use TV_DOMINANCE.
7304 * timevar.def (TV_DOMINANCE): New timevar.
7305 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7307 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7309 PR rtl-optimization/14261
7310 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7311 move would be an INSV insn.
7312 (noce_process_if_block): Don't optimize if the destination is a
7313 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7315 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7317 * config/s390/s390.md: Add comments with the instructions emitted
7318 by an insn pattern if macros are used.
7320 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7322 PR rtl-optimization/26026
7323 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7324 is a known power of two shifted left a variable amount.
7326 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7328 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7329 to hash table twice when the debug_str section has SECTION_MERGE.
7331 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7333 * config/soft-fp: New directory. From glibc.
7334 * config/soft-fp/t-softfp: New.
7335 * config/soft-fp/README: New.
7336 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7337 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7338 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7339 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7340 * config.gcc: Use rs6000/t-fprules-fpbit or
7341 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7343 * config/rs6000/sfp-machine.h: New. Based on glibc.
7344 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7346 * config/rs6000/t-fprules: Remove fp-bit rules.
7347 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7348 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7349 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7350 (softfp_wrap_start, softfp_wrap_end): New.
7352 2006-04-18 DJ Delorie <dj@redhat.com>
7354 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7356 2006-04-18 Devang Patel <dpatel@apple.com>
7358 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7360 2006-04-18 Nick Clifton <nickc@redhat.com>
7362 * config/sh/t-symbian: Add rule to build sh-c.o
7363 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7364 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7365 (sh_symbian_encode_section_info): Likewise.
7367 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7369 * builtins.c (expand_builtin_strcmp): Cover label definition of
7370 do_libcall with HAVE_cmpstrnsi.
7372 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7374 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7376 * function.h (temp_slot_p): New.
7377 (function): Change the type of x_used_temp_slots to
7378 VEC(temp_slot_p,gc) *.
7380 2006-04-18 Nick Clifton <nickc@redhat.com>
7382 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7383 flag_strength_reduce.
7385 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7387 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7391 Partial revert of revision 112637
7392 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7393 Dale Johannesen <dalej@apple.com>
7396 * regclass.c (struct reg_pref): Update documentation.
7397 (regclass): Set prefclass to NO_REGS if memory is the best option.
7398 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7400 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7402 PR tree-optimization/26821
7403 * tree-ssa-math-opts.c (get_constant_one): New.
7404 (insert_reciprocals): Use it.
7406 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7408 * dwarf2out.c (free_AT): Delete.
7409 (remove_AT): Update string ref counts.
7410 (remove_child_TAG): Don't call free_die.
7412 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7413 or DW_TAG_GNU_EINCL.
7414 (prune_unused_types_walk_attribs): Reset string refcounts.
7415 (prune_unused_types_update_strings): New.
7416 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7417 call free_die. Do call prune_unused_types_update_strings.
7418 (prune_unused_types): Empty debug_str_hash.
7420 2006-04-17 Roger Sayle <roger@eyesopen.com>
7422 * expr.c (expand_assignment): Optimize away no-op moves where the
7423 source and destination are equal and have no side-effects.
7425 2006-04-17 Richard Guenther <rguenther@suse.de>
7428 * reload.c (push_reload): Guard calls to get_secondary_mem
7431 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7433 * alias.c (reg_base_value, old_reg_base_value): Change the
7434 type to VEC(rtx,gc) *.
7435 (REG_BASE_VALUE, find_base_value, record_set,
7436 init_alias_analysis): Use VEC instead of VARRAY.
7438 * alias.c (alias_sets): Change the type to
7439 VEC(alias_set_entry,gc) *.
7440 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7441 VEC instead of VARRAY.
7442 (last_alias_set): Remove.
7444 * cgraph.h (cgraph_edge_p): New.
7445 Update the prototype of cgraph_function_versioning.
7446 * cgraphunit.c (cgraph_copy_node_for_versioning,
7447 cgraph_function_versioning): Use VEC instead of VARRAY.
7448 * ipa-cp.c (ipcp_insert_stage): Likewise.
7450 2006-04-16 Roger Sayle <roger@eyesopen.com>
7453 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7454 "A op B" or "A op C", we may need to convert A to the type of B and C.
7456 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7458 * target.h (struct gcc_target): Add mode_rep_extended.
7459 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7460 (init_num_sign_bit_copies_in_rep): Initialize it using
7462 (truncate_to_mode): Use it.
7463 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7464 * targhooks.h (default_mode_rep_extended): Declare it.
7465 * targhooks.c (default_mode_rep_extended): Define it.
7466 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7467 default_mode_rep_extended.
7468 (TARGET_INITIALIZER): Include it.
7469 * doc/tm.texi (Misc): Document it.
7470 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7471 (mips_truncated_to_mode): New function.
7473 2006-04-16 Roger Sayle <roger@eyesopen.com>
7476 * expr.c (compress_float_constant): Copy the narrow constant into
7477 a new pseudo before extending it to its final width.
7479 2006-04-16 Roger Sayle <roger@eyesopen.com>
7480 Andrew Pinski <pinskia@gcc.gnu.org>
7481 Dale Johannesen <dalej@apple.com>
7484 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7485 special case code to implement V8HImode and V16QImode with SSE2.
7487 2006-04-15 Roger Sayle <roger@eyesopen.com>
7489 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7490 trees are constructed with a suitable tree type.
7492 2006-04-15 Roger Sayle <roger@eyesopen.com>
7494 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7495 (integer_onep): Likewise.
7496 (integer_all_onesp): Likewise.
7497 (integer_pow2p): Likewise.
7498 (integer_nonzerop): Likewise.
7499 (real_zerop): Likewise.
7500 (real_onep): Likewise.
7501 (real_twop): Likewise.
7502 (real_minus_onep): Likewise.
7503 (int_size_in_bytes): Likewise.
7504 (host_integerp): Likewise.
7506 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7508 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7509 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7510 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7512 * tree-ssa-structalias.h (alias_info): Remove num_references.
7514 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7516 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7517 (output_bvb patterns): Likewise.
7518 * pa.c (output_bb): Use 'bb' insn for long branch case.
7519 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7520 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7521 1. Correct length operand for alternatives 1 and 2.
7522 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7523 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7525 2006-04-14 Roger Sayle <roger@eyesopen.com>
7527 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7528 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7529 were accidentally reverted by r112959.
7531 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7534 * except.h (eh_region_outermost): New prototype.
7535 * except.c (eh_region_outermost): New function.
7536 * tree-cfg.c (find_outermost_region_in_block): Use it.
7538 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7540 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7542 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7543 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7544 (init_reload, reload): Use VEC instead of VARRAY.
7545 * reload.h: Update the prototype for
7546 reg_equiv_memory_loc_varray.
7548 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7549 Eric Botcazou <ebotcazou@libertysurf.fr>
7551 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7554 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7557 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7558 to expand fallback builtin function call.
7560 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7563 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7564 and emit libcall here in case the builtin fails.
7565 (expand_builtin_strcmp): Always emit the libcall here on failure.
7567 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7569 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7570 * flow.c (reg_n_info): Change the type to
7571 VEC(reg_info_p,heap) *.
7572 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7574 * regs.h (reg_info_p): New.
7575 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7576 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7577 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7580 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7582 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7584 * params.h (MAX_SCHED_READY_INSNS): New macro.
7585 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7586 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7587 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7588 the ready list for 1 cycle during the first scheduling pass.
7589 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7591 2006-04-13 Richard Henderson <rth@redhat.com>
7594 * gimple-low.c (lower_omp_directive): Remove dead code.
7595 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7596 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7597 * omp-low.c (struct omp_region): Move to tree-flow.h.
7598 (root_omp_region): Export.
7599 (omp_regions, lookup_omp_region): Remove.
7600 (determine_parallel_type): Update for struct omp_region changes.
7601 (dump_omp_region): Dump regions with block numbers.
7602 (new_omp_region): Take type and block instead of stmt; malloc
7604 (free_omp_region_1, free_omp_regions): New.
7605 (expand_parallel_call): Take entry_stmt as argument; update for
7606 changes to omp_region.
7607 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7608 (remove_exit_barriers): New.
7609 (expand_omp_parallel): Update for struct omp_region changes.
7610 (expand_omp_synch): Likewise.
7611 (expand_omp): Likewise.
7612 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7613 (expand_omp_for_static_chunk): Likewise.
7614 (expand_omp_for): Likewise.
7615 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7616 (expand_omp_sections): Similarly, with GOMP_sections_end.
7617 (expand_omp_single): New.
7618 (build_omp_regions_1): Update for OMP_CONTINUE.
7619 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7620 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7621 OMP_SECTIONS_SECTIONS.
7622 (lower_omp_single_simple): Don't emit barrier here.
7623 (lower_omp_single_copy): Likewise.
7624 (lower_omp_single): Fix bindings, and lower to straightline now.
7625 (lower_omp_master, lower_omp_ordered): Likewise.
7626 (lower_omp_critical): Likewise.
7627 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7628 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7629 omp edges, free it afterward.
7630 (make_omp_sections_edges): Remove.
7631 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7632 (move_stmt_r): Handle OMP_CONTINUE.
7633 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7634 statement pointers to basic blocks. Add type member.
7635 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7636 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7637 * tree-inline.c (estimate_num_insns_1): Likewise.
7638 * tree-pretty-print.c (dump_generic_node): Likewise.
7639 * tree-ssa-operands.c (get_expr_operands): Likewise.
7640 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7641 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7642 (OMP_CONTINUE): New.
7643 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7644 (OMP_SECTIONS_SECTIONS): Remove.
7645 (OMP_SECTION_LAST): New.
7646 (OMP_RETURN_NOWAIT): New.
7648 2006-04-13 Roger Sayle <roger@eyesopen.com>
7650 * fold-const.c (native_encode_vector, native_interpret_real):
7651 Correct obvious mistakes in the previous check-in.
7653 2006-04-13 Roger Sayle <roger@eyesopen.com>
7655 * fold-const.c (native_encode_expr): New function to encode
7656 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7657 or VECTOR_CST into a specified buffer.
7658 (native_encode_int): New function.
7659 (native_encode_real): New function.
7660 (native_encode_complex): New function.
7661 (native_encode_vector): New function.
7662 (native_interpret_expr): Inverse of native_encode_expr to convert
7663 a target representation into an INTEGER_CST, REAL_CST etc...
7664 (native_interpret_int): New function.
7665 (native_interpret_real): New function.
7666 (native_interpret_complex): New function.
7667 (native_interpret_vector): New function.
7668 (fold_view_convert_expr): New function to constant fold/evaluate
7669 a VIEW_CONVERT_EXPR of a suitable constant expression.
7670 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7671 Change call of build1 to fold_build1 when constructing a
7674 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7675 Ulrich Weigand <uweigand@de.ibm.com>
7678 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7681 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7684 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7685 optimize to lo_sum for DFmode if !TARGET_FPRS.
7687 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7689 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7690 delete_alias_info, compute_flow_sensitive_aliasing,
7691 group_aliases): Use VEC instead of VARRAY.
7692 * tree-ssa-structalias.c (update_alias_info): Likewise.
7693 * tree-ssa-structalias.h (alias_info): Change the type of
7694 processed_ptrs to VEC(tree,heap) *.
7696 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7699 * config/sh/lib1funcs.h: New file, broken out of:
7700 * config/sh/lib1funcs.asm.
7701 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7703 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7704 * config/sh/lib1funcs-Os-4-200.asm: New file.
7705 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7706 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7707 (EXTRA_MULTILIB_PARTS): Include it.
7708 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7709 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7710 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7711 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7714 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7716 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7717 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7718 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7720 * tree-ssa-live.h: Include vecprim.h.
7721 (tree_partition_associator_d): Change the type of
7722 first_partition to VEC(int,heap) *.
7723 (tpa_first_partition): Use VEC instead of VARRAY.
7725 * Makefile.in (GTFILES): Move functions.h after tree.h.
7726 * function.c (reset_block_changes, record_block_change,
7727 check_block_change, free_block_changes): Use VEC instead of
7729 * function.h (function): Change the type of
7730 ib_boundaries_block to VEC(tree,gc) *.
7731 * tree-inline.c (copy_cfg_body): Initialize
7732 ib_boundaries_block to NULL instead of (varray_type) 0.
7734 2006-04-12 Roger Sayle <roger@eyesopen.com>
7736 * expr.c (emit_group_store): Correct operand order in call to
7737 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7738 a SUBREG_BYTE of zero.
7740 2006-04-12 Richard Guenther <rguenther@suse.de>
7742 * profile.c (compute_branch_probabilities): Remove code
7743 encapsulated in !ir_type (), which are remanents of the
7744 removed RTL profiling code.
7745 * rtl-profile.c: Remove.
7747 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7749 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7750 magic NULL_RTX comment.
7751 (function_arg): Store entire fp arg to mem if any part should go
7753 (rs6000_arg_partial_bytes): Adjust for above change.
7755 2006-04-11 Roger Sayle <roger@eyesopen.com>
7757 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7758 if it hasn't been initialized by dwarf2out_init.
7760 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7762 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7763 symbolic constants in branch patterns.
7765 2006-04-11 Roger Sayle <roger@eyesopen.com>
7767 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7769 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7771 PR rtl-optimization/27073
7772 * gcse.c (try_replace_reg): Revert last change. Continue to search
7773 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7776 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7778 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7779 aggregate types other than record and union types.
7780 (function_arg): Likewise.
7781 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7783 (function_value): In 64-bit mode, return objects that require it
7786 2006-04-11 Roger Sayle <roger@eyesopen.com>
7788 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7790 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7792 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7794 2006-04-03 Jeff Law <law@redhat.com>
7797 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7798 alias information too.
7800 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7802 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7804 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7807 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7808 (premark_used_types_helper): New.
7809 (premark_used_types): New.
7810 (gen_subprogram_die): Call premark_used_types.
7811 (prune_unused_types_walk): Do not prune perennial dies.
7812 * function.c (used_types_insert): New.
7813 * function.h (struct function): Add used_types_hash field.
7814 (used_types_insert): Add prototype.
7815 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7816 * c-parser.c (c_parser_cast_expression): Save casted types in used
7819 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7822 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7823 rs6000_explicit_options.float_gprs.
7825 2006-04-10 Roger Sayle <roger@eyesopen.com>
7827 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7828 from ix86_expand_vector_init_low_nonzero. Take an additional
7829 one_var argument indicating which element is non-zero. Support
7830 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7831 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7832 with one_var instead of ix86_expand_vector_init_low_nonzero.
7834 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7836 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7837 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7838 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7839 build/genextract.o): Depend on vecprim.h.
7840 * cfglayout.c, df-problems.c, function.c, genextract.c,
7841 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7842 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7846 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7848 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7849 Declare VECs of this type.
7850 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7851 (remove_children): Delete.
7852 (add_dwarf_attr): Use VEC routines.
7853 (add_AT_flag): Update for changes to add_dwarf_attr.
7854 (add_AT_int): Likewise.
7855 (add_AT_unsigned): Likewise.
7856 (add_AT_long_long): Likewise.
7857 (add_AT_vec): Likewise.
7858 (add_AT_string): Likewise.
7859 (add_AT_die_ref): Likewise.
7860 (add_AT_fde_ref): Likewise.
7861 (add_AT_loc): Likewise.
7862 (add_AT_loc_list): Likewise.
7863 (add_AT_addr): Likewise.
7864 (add_AT_lbl_id): Likewise.
7865 (add_AT_lineptr): Likewise.
7866 (add_AT_macptr): Likewise.
7867 (add_AT_offset): Likewise.
7868 (add_AT_range_list): Likewise.
7869 (get_AT): Use VEC_iterate.
7870 (remove_AT): Use VEC_ordered_remove.
7871 (free_die): Fold remove_children into here; have it use VEC_iterate.
7872 (print_die): Use VEC_iterate on attrs.
7873 (reverse_die_lists): Don't reverse attr lists.
7874 (die_checksum): Use VEC_iterate on attrs.
7875 (same_die_p): Likewise.
7876 (output_location_lists): Likewise.
7877 (build_abbrev_table): Likewise.
7878 (size_of_die): Likewise.
7879 (unmark_all_dies): Likewise.
7880 (output_abbrev_section): Likewise.
7881 (output_die): Likewise.
7882 (prune_unused_types_walk_attribs): Likewise.
7884 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7886 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7888 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7891 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7893 2006-04-09 Roger Sayle <roger@eyesopen.com>
7895 * expr.c (store_constructor): Don't bother clearing target if
7896 we're about to assign a vector to it using vec_init_optab.
7898 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7900 * tree-ssa-alias.c (lhs_may_store_to): New function.
7901 (recalculate_used_alone): Handle LHS of calls.
7903 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7907 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7908 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7909 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7910 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7911 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7912 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7913 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7914 stubs. Add ".align 8" directives before all ".dword" directives.
7915 (GTHREAD_USE_WEAK): Revise comment.
7916 (TARGET_ATTRIBUTE_WEAK): Define.
7917 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7918 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7919 * stublib.c: New file.
7924 * pa.md (cbranch patterns): Revise arguments used in calls to
7925 output_cbranch, output_bb and output_bvd. Add long branch length
7927 (fbranch patterns): Handle long branches.
7928 (jump): Revise length check. Revise arguments for output_lbranch call.
7929 Add long branch length attributes.
7930 (decrement_and_branch_until_zero): Add long branch length attributes.
7931 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7932 Likewise. Revise arguments for output_parallel_addb and
7933 output_parallel_movb calls.
7934 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7935 output_parallel_movb and output_parallel_addb): Update prototypes.
7936 * pa.c (output_cbranch): Revise arguments. Correct handling of
7937 nullification in long branches.
7938 (output_lbranch): Add new argument to control extraction of delay
7940 (output_bb): Handle long branches.
7941 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7942 output_parallel_addb): Likewise.
7944 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7946 PR rtl-optimization/27073
7947 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7950 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7952 * tree.h (tree_memory_tag): Add old_used_alone.
7953 (SMT_OLD_USED_ALONE): New macro.
7954 * tree-ssa-alias.c (recalculate_used_alone): Stop
7955 marking things for renaming unnecessarily.
7957 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7959 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7960 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7961 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7962 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7963 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7964 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7965 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7966 spelling convensions.
7967 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7968 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7969 typos. Follow spelling conventions.
7971 2006-04-07 DJ Delorie <dj@redhat.com>
7973 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7974 passed on the stack.
7975 (m32c_init_cumulative_args): When a function returns a structure,
7976 always pass the pointer to that return area on the stack.
7977 (m32c_function_arg_advance): Don't increment the parameter number
7978 if we're processing the returned structure pointer.
7979 (pushm_info): Reverse order of registers.
7981 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7983 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7984 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7985 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7986 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7988 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7989 chrec_fold_multiply): Same.
7990 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7991 force_expr_to_var_cost): Same.
7992 * tree-mudflap.c (mf_xform_derefs_1): Same.
7993 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7995 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7997 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7998 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8001 2006-04-07 Jan Hubicka <jh@suse.cz>
8003 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8005 2006-04-07 Richard Guenther <rguenther@suse.de>
8007 PR tree-optimization/26135
8008 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8009 loads for store copy-prop.
8010 (copy_prop_visit_stmt): Likewise.
8012 2006-04-05 Robert Millan <robertmh@gnu.org>
8014 * config/i386/linux.h: Add a comment to mark macros that are
8015 being overriden in config/k*bsd-gnu.h.
8016 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8018 * config/knetbsd-gnu.h: Ditto.
8020 2006-04-06 Jan Hubicka <jh@suse.cz>
8024 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8027 2006-04-06 Mike Stump <mrs@apple.com>
8029 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8030 for HAVE_nonlocal_goto to be consistent.
8031 (expand_builtin_nonlocal_goto): Likewise.
8032 (expand_builtin_strcmp): Use #ifdef instead of #if
8033 for HAVE_cmpstrnsi to be consistent.
8035 2006-04-05 DJ Delorie <dj@redhat.com>
8037 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8040 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8042 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8043 got-relative addressing for anything but SImode.
8045 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8046 even if the calling function doesn't modify them.
8048 2006-04-05 Richard Guenther <rguenther@suse.de>
8050 PR tree-optimization/26919
8051 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8052 to cgraph_estimate_size_after_inlining.
8054 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8056 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8058 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8060 PR tree-optimization/26996
8061 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8062 VECTOR_TYPE variables.
8064 2006-04-05 Richard Guenther <rguenther@suse.de>
8066 PR tree-optimization/26763
8067 * fold-const.c (fold_comparison): Move folding of
8068 PTR + CST CMP PTR + CST ...
8069 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8071 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8073 * doc/install.texi (Prerequisites): Refine some wording on
8074 bootstrapping and ksh.
8075 Move the version numbers of DejaGnu here from the testing section
8076 and fix casing of names.
8077 Fix markup and clarify wording for autogen requirements.
8078 Refer to GCJ instead of just java.
8079 Refer to SVN instead of CVS.
8080 Describe diffutils as useful instead of necessary.
8081 (Downloading the source): Refer to SVN instead of CVS.
8082 Adjust a link to our web site accordingly.
8083 (Configuration): Fix casing of Bison.
8084 (Building): Refer to SVN instead of CVS.
8085 Fix a sentence on the use of Bison and remove duplicate (and
8086 incorrect) version number of Bison requirement.
8087 Remove one redundant list of packages needed for building.
8088 (Specific): Avoid reference to CVS.
8090 2006-04-04 Eric Christopher <echristo@apple.com>
8092 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8093 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8094 (rs6000_handle_struct_attribute): New.
8095 (rs6000_ms_bitfield_layout_p): Ditto.
8097 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8099 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8100 NULL for dso parameter to atexit_common.
8102 2006-04-04 Eric Christopher <echristo@apple.com>
8104 * config/i386/i386.c (machopic_output_stub): Output \t
8105 between instructions and operands.
8107 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8109 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8110 satisfies_constraint_[IL] to explicit tests on value.
8112 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8114 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8115 set_nb_iterations_in_loop): Use build_int_cst instead of
8117 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8118 build_int_cst instead of convert.
8120 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8122 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8123 new value 2 for incoming.
8124 * function.c (expand_function_start): Call struct_value_rtx
8126 * config/sparc/sparc.md: Comment updated_return.
8127 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8128 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8129 struct return if sparc_std_struct_return and incoming is 2.
8130 (print_operand): Do not adjust return if
8131 sparc_std_struct_return.
8133 2006-04-04 Roger Sayle <roger@eyesopen.com>
8135 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8136 convert in the middle-end.
8137 * expr.c (store_expr, store_constructor, get_inner_reference,
8138 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8140 * tree.c (build_range_type): Likewise.
8142 2006-04-04 Tom Tromey <tromey@redhat.com>
8144 * doc/install.texi (Prerequisites): Mention jar.
8146 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8148 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8151 2006-04-04 Matthias Klose <doko@debian.org>
8153 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8157 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8160 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8162 * doc/extend.texi (Function Attributes): Rewrite visibility
8163 attribute documentation.
8164 * doc/invoke.texi (C++ Dialect Options): Rewrite
8165 -fvisibility-inlines-hidden documentation to describe something
8166 entirely different, although in practise compatible.
8167 (Code Gen Options): Warn about system headers in -fvisibility=
8170 * doc/extend.texi (Other Builtins): Document that
8171 __builtin_nan is a compile-time constant only when its argument
8174 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8176 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8177 trying to remove TRUNCATE check if all bits outside the new mode
8178 are identical to the sign bit.
8180 2006-04-03 Jeff Law <law@redhat.com>
8182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8183 and operand scanning in some common cases.
8185 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8186 Dale Johannesen <dalej@apple.com>
8189 * regclass.c (struct reg_pref): Update documentation.
8190 (regclass): Set prefclass to NO_REGS if memory is the best option.
8191 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8192 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8193 into account. For non-registers, equate an empty preferred
8194 reload class to a `!' in the constraint; move the if clause to
8195 do so after those that reject the insn.
8196 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8198 (find_dummy_reload): Likewise.
8199 * doc/tm.texi (Register Classes): Document what it means
8200 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8201 * config/i386/i386.c (ix86_preferred_reload_class): Force
8202 using SSE registers (and return NO_REGS for floating-point
8203 constants) if math is done with SSE.
8204 (ix86_preferred_output_reload_class): New.
8205 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8206 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8207 * config/i386/i386.md: Remove # register preferences.
8209 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8212 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8213 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8214 the type of nb_iter.
8215 (instantiate_parameters_1): Convert the operands before calling
8216 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8217 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8219 2006-04-02 Roger Sayle <roger@eyesopen.com>
8221 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8222 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8224 * dojump.c (do_jump): Likewise.
8225 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8226 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8227 gimplify_boolean_expr): Likewise.
8228 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8229 * varasm.c (array_size_for_constructor): Likewise.
8230 * tree-object-size.c (compute_object_offset): Likewise.
8232 2006-04-02 Roger Sayle <roger@eyesopen.com>
8235 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8236 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8238 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8240 PR tree-optimization/26939
8241 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8243 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8245 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8246 at_stmt. Convert the type of operands before calling
8247 build_polynomial_chrec.
8248 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8250 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8251 (instantiate_parameters_1): Convert the type of operands before calling
8252 build_polynomial_chrec.
8253 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8254 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8255 reset_evolution_in_loop): Insert asserts to check the types of the
8257 (chrec_type): Moved...
8258 (eq_evolutions_p): Use operand_equal_p.
8259 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8260 the types of the operands.
8261 (chrec_type): ...here.
8262 * tree-data-ref.c (create_data_ref): Convert the operands before
8263 calling chrec_replace_initial_condition.
8264 (same_access_functions, analyze_subscript_affine_affine,
8265 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8266 (compute_subscript_distance, analyze_ziv_subscript,
8267 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8268 analyze_miv_subscript): Convert the operands before calling
8269 chrec_fold_minus or chrec_fold_plus.
8271 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8273 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8274 the dependence_relations vector.
8275 (compute_data_dependences_for_loop): Adjust call to
8276 compute_all_dependences.
8278 2006-04-01 Roger Sayle <roger@eyesopen.com>
8279 Richard Henderson <rth@redhat.com>
8281 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8282 gimple_boolify on the condition before calling gimplify_expr.
8284 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8286 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8287 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8288 the frame size. Update to use the new macros.
8289 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8290 * config/xtensa/ieee754-df.S: Likewise.
8292 2006-03-31 Richard Henderson <rth@redhat.com>
8294 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8295 (make_edges): ... here. Control fallthru creation with a local
8296 variable. Do not play with fake edges.
8297 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8298 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8301 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8303 * dwarf2.h (DW64_CIE_ID): Define.
8304 * dwarf2out.c (DWARF_CIE_ID): Define.
8305 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8306 length header. Use DWARF_CIE_ID.
8307 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8308 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8310 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8312 * config/sh/linux-atomic.asm: New file.
8313 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8315 2006-03-31 DJ Delorie <dj@redhat.com>
8317 * config/m32c/cond.md: Set condition flags properly throughout.
8318 * config/m32c/minmax.md: Likewise.
8319 * config/m32c/prologue.md: Likewise.
8320 * config/m32c/bitops.md: Likewise.
8321 * config/m32c/muldiv.md: Likewise.
8322 * config/m32c/mov.md: Likewise.
8323 * config/m32c/addsub.md: Likewise.
8324 * config/m32c/m32c.md: Likewise.
8325 * config/m32c/jump.md: Likewise.
8326 * config/m32c/shift.md: Likewise.
8328 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8329 conditionally output the pattern for this.
8330 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8331 (m32c_compare_redundant): New.
8332 (m32c_output_compare): New.
8333 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8335 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8336 dest, not src. Allow other 4-byte modes.
8338 2006-03-30 Denis Chertykov <denisc@overta.ru>
8340 * doc/md.texi: Refer to avr/constraints.md instead of
8343 2006-03-30 Roger Sayle <roger@eyesopen.com>
8345 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8346 signed vs. unsigned comparison failures on some hosts.
8348 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8351 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8352 change to FLOAT_REGS.
8354 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8355 (rs6000_override_options): Use it.
8356 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8357 only for -mabi=spe/no-spe and -mabi=altivec.
8359 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8361 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8364 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8366 * Makefile.in: Rename docdir to gcc_docdir.
8368 2006-03-30 Roger Sayle <roger@eyesopen.com>
8371 * expr.c (emit_group_store): Optimize group stores into a pseudo
8372 register by using a paradoxical subreg to initialize the destination
8373 if the first or last member of the group specifies a "low part".
8375 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8378 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8379 * target.h (struct gcc_target.speculate_insn): Change type of the
8380 second parameter to 'int'.
8381 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8382 the second operand of the DEPS_LIST.
8383 (copy_DEPS_LIST_list): Update reference to the second operand of the
8385 * rtl.h (alloc_DEPS_LIST): Update signature.
8386 * sched-int.h (ds_t): Change typedef to 'int'.
8387 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8389 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8391 * haifa-sched.c (try_ready): Change condition to restore
8392 non-speculative pattern of the instruction.
8393 (process_insn_depend_be_in_spec): Code to keep probability of the
8394 speculative dependence non-decreasing.
8396 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8398 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8399 (single_move_for_movmem): ... this. Also change all uses.
8400 (bfin_expand_strmov): Renamed to...
8401 (bfin_expand_movmem): ... this. Also change all uses.
8402 * config/bfin/bfin.md (movstrsi): Renamed to...
8403 (movstrsi): ...this.
8405 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8407 PR tree-optimization/26830
8409 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8410 (copy_prop_visit_stmt): Remove write-only variable ann.
8411 (init_copy_prop): Check variable loop depth here. Do not simulate
8412 memory-tag and virtual operand PHIs except for store copy prop.
8414 2006-03-30 Richard Guenther <rguenther@suse.de>
8416 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8417 variants with double arguments.
8419 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8421 * genpreds.c (write_tm_constrs_h): Delete variable p.
8422 * genconditions.c (write_header): Add tm-constrs.h to included
8424 * genpeep.c (main): Add toplev.h to included headers.
8425 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8426 (build/genpeep.o): Add toplev.h dependency.
8427 * config/rs6000/constraints.md: Add "W" constraint.
8429 2006-03-29 Roger Sayle <roger@eyesopen.com>
8431 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8432 sizes by correctly testing whether the size fits a host integer.
8433 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8434 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8435 SImode range for the default sizetype and bitsizetype.
8437 2006-03-29 Roger Sayle <roger@eyesopen.com>
8439 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8440 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8441 quickly if the argument is already of the correct type.
8442 Call fold_build1 instead of build1. Tidy up blank lines.
8444 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8446 * genemit.c (main): Add tm-constrs.h to included headers.
8447 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8448 * genpeep.c (main): Add tm-constrs.h to included headers.
8449 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8450 (write_tm_constrs_h): this and write complete file.
8451 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8452 (write_insn_preds_c): Add tm-constrs.h to included headers.
8453 (gen_constrs): New variable.
8454 (parse_option): Parse "-c".
8455 (main): Invoke write_tm_constrs_h.
8456 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8457 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8458 (object_out_file): Add tm-constrs.h dependency.
8459 (insn-emit.o): Same.
8460 (insn-output.o): Same.
8461 (insn-peep.o): Same.
8462 (insn-preds.o): Same.
8463 (insn-recog.o): Same.
8464 (tm-constsr.h): New target.
8465 (s-constrs-h): New target.
8467 * config/rs6000/constraints.md: New file.
8468 * config/rs6000/rs6000.c: Include tm-constrs.h.
8469 (num_insn_constant_wide): Convert to satisfies_constraint.
8470 (rs6000_rtx_costs): Convert to satisfies_constraint.
8471 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8472 (CONST_OK_FOR_LETTER_P): Delete.
8473 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8474 (EXTRA_CONSTRAINT): Delete.
8475 (EXTRA_MEMORY_CONSTRAINT): Delete.
8476 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8477 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8478 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8479 satisfies_constraint.
8481 * config/i386/i386.c: Include tm-constrs.h.
8483 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8485 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8486 * tree-data-ref.c (find_data_references_in_loop,
8487 compute_data_dependences_for_loop): Use pointers to VEC.
8488 (analyze_all_data_dependences): Adjust calls.
8489 * tree-data-ref.h (find_data_references_in_loop,
8490 compute_data_dependences_for_loop): Adjust declarations.
8491 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8492 compute_data_dependences_for_loop.
8494 2006-03-29 Paul Brook <paul@codesourcery.com>
8496 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8499 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8501 PR tree-optimization/26859
8502 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8504 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8505 for the step after fold_convert.
8507 2006-03-29 Paul Brook <paul@codesourcery.com>
8509 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8510 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8512 2006-03-29 Paul Brook <paul@codesourcery.com>
8515 * targhooks.c (default_narrow_bitfield): New fuction.
8516 * targhooks.h (default_narrow_bitfield): add prototype.
8517 * target.h (gcc_target): Add narrow_volatile_bitfield.
8518 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8519 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8520 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8521 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8523 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8525 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8527 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8528 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8529 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8530 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8531 (s390_function_arg_float): Allow SDmode and DDmode values to be
8532 passed in floating point registers.
8533 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8534 check with SCALAR_FLOAT_MODE_P.
8535 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8537 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8539 PR tree-optimization/25985
8540 * tree-ssa-loop-niter.c (number_of_iterations_le,
8541 number_of_iterations_ne): Make comments more precise.
8542 (number_of_iterations_cond): Add only_exit argument. Use the
8543 fact that signed variables do not overflow only when only_exit
8545 (loop_only_exit_p): New.
8546 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8547 number_of_iterations_cond.
8549 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8551 PR tree-optimization/26643
8552 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8555 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8557 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8558 (divsi3_i4_int): Likewise.
8560 2006-03-28 Roger Sayle <roger@eyesopen.com>
8562 * expr.c (emit_group_store): Only create a new pseudo reg if the
8563 quantity it needs to hold isn't already a suitable pseudo.
8565 2006-03-28 Jeff Law <law@redhat.com>
8567 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8568 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8570 2006-03-28 Roger Sayle <roger@eyesopen.com>
8572 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8573 the equivalent ~X & Y, and the symmetry related transformations.
8574 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8575 ~X & Y, and symmetry related transforms.
8577 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8579 Revert my 2006-03-27 patches.
8581 2006-03-28 Roger Sayle <roger@eyesopen.com>
8583 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8584 ~(T1)X, when T1 and T2 are integer types of the same precision
8585 and (T2)X isn't an extension.
8587 2006-03-28 Jeff Law <law@redhat.com>
8589 PR tree-optimization/26796
8590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8591 need EH edge cleanups rather than purging them immediately.
8592 (eliminate_degenerate_phis): Handle queued EH cleanups.
8594 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8596 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8599 2006-03-27 Roger Sayle <roger@eyesopen.com>
8602 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8603 cast BIT_NOT_EXPR operand to the correct type.
8605 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8607 * tree-loop-linear.c: Don't include varray.h.
8608 (gather_interchange_stats, try_interchange_loops,
8609 linear_transform_loops): Use VEC instead of VARRAY.
8610 * lambda-mat.c: Don't include varray.h.
8611 * tree-chrec.c: Same.
8612 * lambda-trans.c: Same.
8613 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8614 VEC instead of VARRAY.
8615 * tree-vectorizer.h: Idem.
8616 * tree-data-ref.c (dump_data_references,
8617 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8618 initialize_data_dependence_relation, finalize_ddr_dependent,
8619 compute_all_dependences, find_data_references_in_loop,
8620 compute_data_dependences_for_loop, analyze_all_data_dependences,
8621 free_dependence_relation, free_dependence_relations,
8622 free_data_refs): Idem.
8623 * tree-data-ref.h (data_reference_p, subscript_p): New.
8624 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8625 VEC instead of VARRAY.
8626 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8627 (find_data_references_in_loop, compute_data_dependences_for_loop,
8628 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8629 dump_data_dependence_relations, free_dependence_relations,
8630 free_data_refs): Adjust declaration.
8631 (lambda_transform_legal_p): Move declaration here...
8632 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8633 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8634 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8635 vect_analyze_data_refs): Use VEC instead of VARRAY.
8636 * lambda.h (lambda_transform_legal_p): ...from here.
8637 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8638 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8639 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8640 tree-chrec.o): Don't depend on VARRAY_H.
8642 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8644 * rtl.def (Copyright): Update date.
8645 (DEPS_LIST): Change type of the second operand to 'int'.
8646 * target.h (Copyright): Update date.
8647 (struct gcc_target.speculate_insn): Change type of the second parameter
8649 * lists.c (Copyright): Update date.
8650 (alloc_DEPS_LIST): Change signature. Update reference to the second
8651 operand of the DEPS_LIST.
8652 (copy_DEPS_LIST_list): Update reference to the second operand of the
8654 * rtl.h (Copyright): Update date.
8655 (alloc_DEPS_LIST): Update signature.
8656 * sched-int.h (Copyright): Update date.
8657 (ds_t): Change typedef to 'int'.
8658 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8660 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8662 * haifa-sched.c (Copyright): Update date.
8663 (try_ready): Change condition to restore non-speculative pattern
8665 (process_insn_depend_be_in_spec): Code to keep probability of the
8666 speculative dependence non-decreasing.
8668 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8670 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8671 shut up the compiler.
8673 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8675 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8676 to use lib prefix for target.
8677 ($(T)libic_invalidate_array_4-200.a): Likewise.
8678 ($(T)libic_invalidate_array_4a.a): Likewise.
8680 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8681 J"orn Rennecke <joern.rennecke@st.com>
8683 * superh.opt: New file.
8684 * sh.c (boardtype, osruntime): Remove.
8685 * superh.h (SUBTARGET_OPTIONS): Remove.
8686 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8688 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8689 arguments with ^ and/or [].
8691 * config.gcc (sh-*-*): Add quoting to account for quirk of
8693 Replace == with = in enable_incomplete_targets test.
8695 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8696 with MASK_LITTLE_ENDIAN.
8698 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8699 * config/sh/sh.opt: Added to some comments.
8700 * config/sh/superh.h: Removed some chaff.
8702 * config/sh/sh.opt: Add m4-[1234]00* options.
8703 * config/sh/sh.c (sh_handle_option): Likewise.
8704 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8705 (ic_invalidate_array_4-100.o): New rule.
8706 ($(T)libic_invalidate_array_4-100.a): Likewise.
8707 (ic_invalidate_array_4-200.o): Likewise.
8708 ($(T)libic_invalidate_array_4-200.a): Likewise.
8709 (ic_invalidate_array_4a.o): Likewise.
8710 ($(T)libic_invalidate_array_4a.a): Likewise.
8711 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8712 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8714 * config/sh/crt1.asm: Merged in profiling code.
8715 * config/sh/superh.h (STARTFILE_SPEC): Override.
8716 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8717 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8718 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8720 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8721 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8722 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8724 * sh.opt (mpretend-cmove): New option.
8725 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8726 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8727 (movsicc): Add TARGET_PRETEND_CMOVE code.
8729 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8731 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8732 s390_class_max_nregs): New function prototypes.
8733 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8734 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8735 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8736 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8738 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8740 * dwarf2out.c (add_location_or_const_value_attribute): Call
8741 tree_add_const_value_attribute if nothing else works.
8742 (reference_to_unused): New.
8743 (rtl_for_decl_init): Use reference_to_unused to decide whether
8744 to output an initializer.
8746 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8749 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8750 peephole removing spe frob_di_df_2.
8752 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8754 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8755 (subscript_dependence_tester_1): Declared.
8756 (print_dir_vectors, print_dist_vectors): New.
8757 (debug_data_dependence_relation): New.
8758 (dump_data_dependence_relation): Print more details.
8759 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8760 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8761 (save_dist_v, save_dir_v, add_outer_distances,
8762 build_classic_dist_vector_1): New.
8763 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8764 Don't test for lambda_vector_lexico_pos.
8765 (same_access_functions, add_multivariate_self_dist,
8766 add_other_self_distances, dir_from_dist): New.
8767 (build_classic_dir_vector): Replace implementation almost identical to
8768 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8770 (subscript_dependence_tester_1): New.
8771 (subscript_dependence_tester): Handle the lexicographically negative
8772 distance vectors by recomputing the dependence relation.
8773 (compute_affine_dependence): Remove parameter loop_nest_depth.
8774 (compute_self_dependence): Don't call compute_subscript_distance.
8775 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8776 Add a parameter for the loop_nest.
8777 (find_loop_nest_1, find_loop_nest): New.
8778 (compute_data_dependences_for_loop): Compute the loop nest, and give
8779 up if the nest is not well formed.
8780 * tree-data-ref.h (loop_p): New.
8781 (struct data_dependence_relation): Replace size_vect field with
8782 loop_nest, a vec of loops.
8783 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8784 (DDR_LOOP_NEST): New.
8785 (print_dir_vectors, print_dist_vectors,
8786 debug_data_dependence_relation): Declared.
8787 (index_in_loop_nest): New.
8788 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8789 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8792 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8794 * simplify-rtx.c (simplify_relational_operation): Call
8795 simplify_relational_operation_1 even if mode is VOIDmode.
8797 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8799 PR tree-optimization/26804
8800 * tree.h (DECL_CALL_CLOBBERED): New macro.
8801 (tree_decl_common): Add call_clobbered_flag.
8802 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8803 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8804 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8805 (mark_non_addressable): Ditto.
8806 * tree-ssa.c (verify_call_clobbered): New function.
8807 (verify_alias_info): Use it.
8808 * tree-pass.h (pass_reset_cc_flags): New prototype.
8809 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8810 (reset_cc_flags): New function.
8811 * passes.c (init_optimization_passes): Call reset_cc_flags after
8812 initializing referenced_vars.
8814 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8815 Roger Sayle <roger@eyesopen.com>
8818 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8819 to 1.0 for non-real operands. Implement A / A optimization for
8822 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8824 * config/i386/i386.c (size_cost): Correct the comment for
8825 cost of storing fp registers.
8826 (i386_cost): Likewise.
8827 (i486_cost): Likewise.
8828 (pentium_cost): Likewise.
8829 (pentiumpro_cost): Likewise.
8830 (k6_cost): Likewise.
8831 (athlon_cost): Likewise.
8832 (k8_cost): Likewise.
8833 (pentium4_cost): Likewise.
8834 (nocona_cost): Likewise.
8835 (generic64_cost): Likewise.
8836 (generic32_cost): Likewise.
8838 2006-03-24 Denis Chertykov <denisc@overta.ru>
8840 * config/avr/avr-protos.h (extra_constraint): Delete.
8841 (extra_constraint_Q): New declaration.
8842 * config/avr/constraints.md: New file.
8843 * config/avr/avr.md: Include it.
8844 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8845 (TMP_REGNO, ZERO_REGNO): Likewise.
8846 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8847 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8848 (extra_constraint): Delete.
8849 (extra_constraint_Q): Test for memory constraint 'Q'.
8850 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8851 (REG_CLASS_FROM_LETTER): Delete.
8852 (CONST_OK_FOR_LETTER_P): Delete.
8853 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8854 (EXTRA_CONSTRAINT): Delete.
8855 (TMP_REGNO): Delete.
8856 (ZERO_REGNO): Delete.
8858 2006-03-24 Jeff Law <law@redhat.com>
8860 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8861 directly. Call mark_new_vars_to_rename slightly earlier.
8863 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8865 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8867 (gen_compile_unit_die): Use new language types for Objective-C and
8869 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8870 DW_LANG_C_plus_plus.
8873 * config/t-darwin (crt3.o): Work around bug 26840.
8874 * config/darwin-crt3.c: Rewrite.
8875 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8877 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8879 * doc/invoke.texi: Document -femit-class-debug-always
8880 * common.opt: Add -femit-class-debug-always.
8882 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8884 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8885 index and base register.
8886 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8887 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8888 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8889 REGNO_OK_FOR_INDEX_P.
8890 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8892 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8893 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8894 REG_OK_FOR_BASE_P): Definitions removed.
8896 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8899 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8900 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8901 set yet or weren't marked as local yet.
8903 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8905 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8908 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8910 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8911 (rs6000_legitimate_small_data_p): Delete.
8912 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8913 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8914 and make static. Add forward declaration. Update uses.
8915 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8916 of offsettable_memref_p.
8917 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8918 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8920 2006-03-24 Jeff Law <law@redhat.com>
8922 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8923 around bug in immediate-use iterator.
8925 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8928 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8929 or __LITTLE_ENDIAN__.
8931 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8933 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8934 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8935 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8936 * config/sh/sh.opt (mdiv=): Amend description.
8937 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8938 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8939 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8940 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8941 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8942 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8943 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8944 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8945 TARGET_DIVIDE_CALL_FP.
8947 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8949 * haifa-sched.c (choose_ready): Fix type of the local variable.
8950 Move local variables. Add comment.
8951 (check_reg_live): Change signature. Make callable from debugger.
8952 * sched-int.h (check_reg_live): Update signature.
8953 * sched-ebb.c (check_reg_live): Update parameters.
8954 * sched-rgn.c (check_reg_live): Ditto.
8955 (region_head_or_leaf_p): Check pointer before dereferencing.
8956 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8957 before reload on optimization levels below 1.
8959 2006-03-23 Richard Henderson <rth@redhat.com>
8961 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8965 * config/alpha/predicates.md (local_symbolic_operand): Reject
8968 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8971 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8972 expressions which have overflowed constants.
8974 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8976 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8978 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8980 * cfgloopmanip.c (create_loop_notes): Removed.
8981 * final.c (final_scan_insn): Do not handle loop notes.
8982 * jump.c (squeeze_notes): Ditto.
8983 * cfglayout.c (skip_insns_after_block,
8984 duplicate_insn_chain): Ditto.
8985 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8987 * cfgloop.h (create_loop_notes): Declaration removed.
8989 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8991 * varasm.c (output_constant_pool): Restore fnname and fndecl
8993 (assemble_start_function): Adjust call accordingly.
8994 (assemble_end_function): Likewise.
8996 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8999 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9002 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9004 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9007 * system.h (ICE_EXIT_CODE): New macro.
9008 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9009 (diagnostic_action_after_output): Likewise.
9010 * gcc.c (fatal_ice): New function.
9011 (execute): Use it instead of fatal.
9012 (fancy_abort): Likewise.
9013 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9015 2006-03-22 Jeff Law <law@redhat.com>
9017 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9018 iv_analyze_result returning false.
9020 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9022 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9024 2006-03-22 Richard Henderson <rth@redhat.com>
9027 * except.c (duplicate_eh_regions_0): New.
9028 (duplicate_eh_region_1): Duplicate the children of the node as
9029 well as the node itself. Link them up properly.
9030 (duplicate_eh_region_2): Merge into ...
9031 (duplicate_eh_regions): ... here. Take copy_region argument, and
9032 copy only a sub-tree if asked. Simplify copying and fixup.
9033 (eh_region_outer_p): New.
9034 * except.h (duplicate_eh_regions): Update decl.
9035 (eh_region_outer_p): Declare.
9036 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9037 (lower_omp_master): Likewise.
9038 (lower_omp_ordered): Likewise.
9039 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9040 (move_stmt_r): Use it to remap labels. Handle recursion vs
9041 remap_decls_p properly.
9042 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9043 (find_outermost_region_in_block): New.
9044 (new_label_mapper): New.
9045 (move_sese_region_to_fn): Copy eh information to the new function
9047 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9049 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9052 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9054 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9055 into shared libraries.
9057 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9059 * doc/md.texi: Refer to i386/constraints.md instead of
9061 * config/i386/constraints.md: New file, extracted from...
9062 * config/i386/predicates.md: ...here.
9063 * config/i386/i386.md: Include constraints.md.
9065 2006-03-21 Jason Merrill <jason@redhat.com>
9067 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9070 * expr.c (init_block_move_fn): Force default visibility.
9071 (init_block_clear_fn): Likewise.
9072 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9073 * targhooks.c (default_external_stack_protect_fail): Likewise.
9075 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9077 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9078 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9079 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9080 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9081 (loadgp): Use mips_current_loadgp_style.
9082 (loadgp_noshared): New pattern.
9083 (sibcall_internal): Use MIPS_CALL.
9084 (sibcall_value_internal): Likewise.
9085 (sibcall_value_multiple_internal): Likewise.
9086 (call_internal): Likewise.
9087 (call_value_internal): Likewise.
9088 (call_value_multiple_internal): Likewise.
9089 (call_split): Use MIPS_CALL and add an 'S' constraint.
9090 (call_value_split): Likewise.
9091 (call_value_multiple_split): Likewise.
9092 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9093 (-mshared): New option.
9094 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9095 (mips_current_loadgp_style): Declare.
9096 * config/mips/mips.c (mips_classify_symbol): Avoid using
9097 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9098 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9099 TARGET_ABSOLUTE_ABICALLS.
9100 (override_options): Adjust comments. Improve the warning that is
9101 issued when -mabicalls and -G are used together.
9102 (mips_file_start): Remove comment.
9103 (mips_current_loadgp_style): New function.
9104 (mips_gnu_local_gp): New variable.
9105 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9107 (mips_output_function_prologue): Use mips_current_laodgp_style.
9108 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9109 the cprestore instruction.
9110 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9111 live for TARGET_ABSOLUTE_ABICALLS.
9112 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9113 (ASM_SPEC): Pass down -mshared and -mno-shared.
9114 (MIPS_CALL): New macro.
9115 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9117 * doc/invoke.texi (-mabicalls): Update documentation.
9118 (-mshared): Document.
9120 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9122 * config/ia64/unwind-hpux.c: New file.
9123 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9125 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9128 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9130 2006-03-21 Jeff Law <law@redhat.com>
9132 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9133 type conversions of a VR_VARYING source to a wider type.
9135 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9137 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9138 tm_file on Solaris 10 and later.
9139 (sparc64-*-solaris2*): Likewise.
9140 (sparc-*-solaris2*): Likewise.
9141 * config/sol26.h: Rename to config/sol2-6.h.
9142 * config/sol2-10.h: New file.
9144 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9147 * tree-ssa-pre.c (create_component_ref_by_pieces):
9150 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9153 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9154 return it immediately.
9156 2006-03-21 Michael Matz <matz@suse.de>
9158 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9160 (remove_arc, add_arc): Update num_out_arcs member.
9161 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9163 (cache_presence): New function.
9164 (compare_states_for_equiv): New function.
9165 (state_is_differed): Don't take number of outargs, adjust callers.
9166 Use new invariant for speeding up.
9167 (init_equiv_class): Create initial classes based on sorted
9169 (partition_equiv_class): Don't track out_arcs_num.
9170 (evaluate_equiv_classes): Call cache_presence on all states and
9173 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9175 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9176 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9177 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9178 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9180 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9181 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9182 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9183 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9184 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9186 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9187 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9188 (REGNO_REG_CLASS): ARGP is in PREGS.
9189 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9191 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9192 to deal with those addresses.
9193 * addresses.h: New file.
9194 * caller-save.c: Include "addresses.h".
9195 (init_caller_save): Use new base_reg_class function.
9196 * rtl-factoring.c: Include "addresses.h".
9197 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9198 * recog.c: Include "addresses.h".
9199 (preprocess_constraints): Use new base_reg_class function.
9200 * regrename.c: Include "addresses.h".
9201 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9202 functions. Keep track of a new var INDEX_CODE to compute valid
9204 (replace_oldest_value_addr): Likewise.
9205 (replace_oldest_value_mem): Use base_reg_class.
9206 * reload.c: Include "addresses.h".
9207 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9208 (find_reloads): Use new base_reg_class function.
9209 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9210 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9211 all callers and prototype changed.
9212 * reload1.c: Include "addresses.h".
9213 (maybe_fix_stack_asms): Use base_reg_class.
9214 * regclass.c: Include "addresses.h".
9215 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9216 (init_reg_autoinc): Use new base_reg_class function.
9217 (record_reg_classes): Likewise.
9218 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9219 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9220 Use new args to compute necessary class.
9222 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9223 regrename.o, rtl-factoring.o): Update dependencies.
9224 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9225 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9226 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9227 REG_OK_FOR_INDEX_P): Delete documentation.
9229 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9231 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9232 from V7 to V9 for Solaris 7 and above.
9234 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9236 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9237 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9238 argument pointers may not alias any other storage.
9239 * common.opt: Define option -fargument-noalias-anything.
9240 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9241 alias semantics is specified by flag_argument_noalias > 2.
9243 2006-03-20 Jeff Law <law@redhat.com>
9245 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9246 (pass_phi_only_cprop): Declare.
9247 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9249 * tree-ssa-dom.c (degenerate_phi_result): New function.
9250 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9251 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9252 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9253 (eliminate_degenerate_phis): Likewise.
9254 (pass_phi_only_cprop): New pass descriptor.
9255 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9256 support code. Callers updated.
9257 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9258 (store_copy_prop): Likewise.
9259 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9261 2006-03-20 Jason Merrill <jason@redhat.com>
9264 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9265 (push_visibility, pop_visibility): Likewise.
9266 * c-pragma.h: Declare them.
9268 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9270 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9272 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9273 parameter and use get_ebb_head_tail.
9274 (sh_md_init_global): Adjust uses of find_regmode_weight.
9276 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9278 * function.h (struct function) <x_tail_recursion_reentry>:
9279 Rename to x_stack_check_probe_note.
9280 (tail_recursion_reentry): Rename to stack_check_probe_note.
9281 * function.c: Replace tail_recursion_reentry with
9282 stack_check_probe_note everywhere.
9283 (expand_function_start): Only emit a note for
9284 stack_check_probe_note with -fstack-protect.
9285 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9287 * emit-rtl.c (remove_unnecessary_notes): Remove.
9288 (pass_remove_unnecessary_notes): Remove.
9289 * rtl.h (remove_unnecessary_notes): Remove prototype.
9290 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9291 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9292 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9294 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9297 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9298 (valid_in_set): Handle ARRAY_REF.
9299 Change "if min_variant or VH" to asserts.
9300 (create_component_ref_by_pieces): Handle ARRAY_REF.
9301 (create_expression_by_pieces): Likewise.
9302 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9304 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9306 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9307 is operand of switch, not str[0].
9309 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9311 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9312 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9314 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9316 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9317 end of insn_extra_address_constraint declaration.
9319 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9321 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9322 (no-sum-in-toc): Same.
9323 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9325 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9326 NO_FP_IN_TOC for -fPIC instead of mask.
9328 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9329 (BOOT_LDFLAGS): Delete.
9331 * config/rs6000/t-aix52: Same.
9333 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9334 (stmsi[345678]_power): New.
9336 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9338 * config/ia64/ia64.opt: Add empty line to end of file.
9340 2006-03-17 Richard Guenther <rguenther@suse.de>
9343 * builtins.c (get_pointer_alignment): For component style references
9344 adjust alignment to the component type alignment. Make sure
9345 to adjust alignment for component access of constants.
9347 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9349 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9352 2006-03-17 Paul Brook <paul@codesourcery.com>
9354 * doc/install.texi: Docuemnt --with-mode.
9355 * config.gcc: Add --with-mode for arm*-*-*.
9356 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9358 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9360 * sh.c (max_labelno_before_reorg): New variable.
9361 (sh_reorg): Initialize it.
9362 (find_barrier): Check max_labelno_before_reorg before using
9363 label_to_alignment. Take length of explicit alignment insns
9364 into account. When seeing a UNSPECV_CONST_END, return it.
9366 * sh.c (fixup_mova): Set mode of affected label to QImode.
9367 (untangle_mova): New function.
9368 (find_barrier): Use it. Check mode of label before decrementing
9370 (sh_reorg): Likewise.
9371 Set mode of all insns back to VOIDmode.
9373 * sh.c (MOVA_LABELREF): New macro.
9374 (mova_p, fixup_mova, sh_reorg): Use it.
9375 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9376 ADDR_DIFF_VEC matches mova.
9378 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9380 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9381 with ATTRIBUTE_UNUSED.
9383 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9385 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9386 pointer, instead of assuming it is possible to derive the
9387 correct args size from a call insn.
9389 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9391 * rtl.h (CONST_INT_P): Define.
9392 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9393 instead of GET_CODE(x) == CONST_INT.
9394 (vax_rtx_costs): Likewise.
9395 (vax_output_int_move): Likewise.
9396 (vax_output_int_add): Likewise.
9397 (legitimate_constant_address_p): Likewise.
9398 (index_term_p): Likewise.
9399 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9400 * config/vax/vax.md (and<mode>3): Likewise.
9401 (ashrsi3): Likewise.
9403 (movstricthi): Likewise.
9404 (movstrictqi): Likewise.
9405 (rotrsi3): Likewise.
9406 (five unnamed insns): Likewise.
9408 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9410 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9411 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9412 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9413 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9414 Pass to ASM_OUTPUT_DWARF_OFFSET.
9415 * dwarf2out.c (debug_frame_section): New.
9416 (output_call_frame_info): Use debug_frame_section. Pass it to
9417 dw2_asm_output_offset.
9418 (output_die): Pass appropriate section to dw2_asm_output_offset.
9419 (output_compilation_unit_header): Likewise.
9420 (output_pubnames): Likewise.
9421 (output_aranges): Likewise.
9422 (enum dw_val_class): Break dw_val_class_lbl_offset into
9423 dw_val_class_lineptr and dw_val_class_macptr.
9424 (add_AT_lbl_offset): Delete.
9425 (add_AT_lineptr): New.
9426 (add_AT_macptr): New.
9427 (AT_lbl): Expect a lineptr or macptr.
9428 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9429 (attr_checksum): Likewise.
9430 (same_dw_val_p): Likewise.
9431 (size_of_die): Likewise.
9432 (value_format): Likewise.
9433 (output_die): Likewise.
9434 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9436 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9437 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9438 * config/darwin-protos.h (darwin_file_start): New.
9439 (darwin_asm_output_dwarf_offset): New.
9440 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9441 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9443 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9444 if not EH section; simplify.
9445 (darwin_file_start): New.
9446 (darwin_asm_output_dwarf_offset): New.
9447 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9449 (DEBUG_INFO_SECTION): Likewise.
9450 (DEBUG_ABBREV_SECTION): Likewise.
9451 (DEBUG_ARANGES_SECTION): Likewise.
9452 (DEBUG_MACINFO_SECTION): Likewise.
9453 (DEBUG_LINE_SECTION): Likewise.
9454 (DEBUG_LOC_SECTION): Likewise.
9455 (DEBUG_PUBNAMES_SECTION): Likewise.
9456 (DEBUG_STR_SECTION): Likewise.
9457 (DEBUG_RANGES_SECTION): Likewise.
9458 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9459 (ASM_OUTPUT_DWARF_OFFSET): New.
9461 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9463 * config.gcc (tm_defines): Always add to previous value rather
9466 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9468 * config/mips/predicates.md (splittable_const_int_operand): New,
9469 split from move_operand.
9470 (splittable_symbolic_operand): New.
9471 (move_operand): Add commentary. Use splittable_const_int_operand.
9472 Inline mips_atomic_symbolic_constant_p.
9473 * config/mips/mips.md: Add combine splitters for handling moves
9474 of splittable_const_int_operands and splittable_symbolic_operands.
9475 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9476 (mips_split_symbol): Declare.
9477 (mips_move_integer): Declare.
9478 * config/mips/mips.c (mips_split_p): Make global.
9479 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9480 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9481 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9482 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9483 (mips_offset_within_object_p): Handle block symbols.
9484 (mips_atomic_symbolic_constant_p): Delete.
9485 (mips_cannot_force_const_mem): Return false for constants that
9486 mips_legitimize_move can handle.
9487 (mips_use_blocks_for_constant_p): New function.
9488 (mips_split_symbol): Make global.
9489 (mips_move_integer): Likewise. Add a temporary register argument.
9490 (mips_legitimize_const_move): Use splittable_const_int_operand and
9491 splittable_symbolic_operand.
9492 (mips_use_anchors_for_symbol_p): New function.
9493 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9494 (mips_split_p): Declare.
9496 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9498 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9499 (mips*-*-linux*): Likewise.
9501 2006-03-16 Roger Sayle <roger@eyesopen.com>
9502 Daniel Speyer <dspeyer@wam.umd.edu>
9505 * tree-dump.c (dump_real): New function.
9506 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9507 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9508 (tree-dump.o): Add $(REAL_H) to the dependencies.
9510 2006-03-16 Roger Sayle <roger@eyesopen.com>
9513 * real.c (real_from_string): If the mantissa is zero, don't bother
9514 parsing the exponent as the result should always be zero.
9516 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9518 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9520 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9522 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9523 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9524 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9525 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9526 ia64_sched_finish_global): New static functions to implement
9527 hooks from gcc_target.sched.
9528 (spec_check_no, max_uid, pending_data_specs): New static variables.
9529 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9530 ia64_spec_check_src_p): New static functions.
9531 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9532 (TARGET_SCHED_ADJUST_COST): Removed.
9533 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9534 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9535 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9536 TARGET_SCHED_GEN_CHECK,
9537 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9538 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9539 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9540 Fixed to handle speculation checks.
9541 (rtx_needs_barrier): Fixed to handle speculative loads and
9543 (ia64_variable_issue): Added code to count speculative loads and their
9545 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9547 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9549 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9551 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9552 (ia64_reorg): Reset stops_p to NULL after it is freed.
9553 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9554 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9555 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9557 (data_speculative, control_speculative, check_load): New attributes.
9558 (mov<mode>_advanced, mov<mode>_speculative,
9559 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9560 zero_extend<mode>di2_speculative,
9561 zero_extend<mode>di2_speculative_advanced): New patterns for
9562 data and control speculative loads.
9563 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9565 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9566 New pattern for data and control speculation checks.
9567 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9568 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9569 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9570 Auxiliary definitions for the patterns.
9571 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9572 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9574 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9576 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9577 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9578 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9579 New resource constraints.
9580 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9582 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9583 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9584 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9585 msched-in-control-spec, msched-ldc, msched-control-ldc,
9586 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9587 msched-prefer-non-control-spec-insns,
9588 msched-count-spec-in-critical-path): New flags to tune speculative
9590 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9591 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9592 msched-in-control-spec, msched-ldc, msched-control-ldc,
9593 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9594 msched-prefer-non-control-spec-insns,
9595 msched-count-spec-in-critical-path): Document new flags.
9597 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9599 * target.h (struct spec_info_def): New opaque declaration.
9600 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9601 speculate_insn, needs_block_p, gen_check,
9602 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9603 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9604 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9605 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9606 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9607 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9609 (TARGET_SCHED): Use new macros.
9610 * rtl.h (copy_DEPS_LIST_list): New prototype.
9611 * sched-int.h (struct sched_info): Change signature of new_ready field,
9612 adjust all initializations. New fields: add_remove_insn,
9613 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9614 region_head_or_leaf_p.
9615 (struct spec_info_def): New structure declaration.
9616 (spec_info_t): New typedef.
9617 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9618 recovery_block, orig_pat.
9619 (glat_start, glat_end): New variables declaraions.
9620 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9622 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9623 DETACH_LIFE_INFO, USE_GLAT.
9624 (enum SPEC_SCHED_FLAGS): New enumeration.
9625 (NOTE_NOTE_BB_P): New macro.
9626 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9627 attach_life_info, debug_spec_status, check_reg_live): New functions.
9628 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9629 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9631 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9632 * ddg.c (get_block_head_tail): Adjust all uses.
9633 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9634 (sms_sched_info): Initialize new fields.
9635 (contributes_to_priority): Removed.
9636 * haifa-sched.c (params.h): New include.
9637 (get_block_head_tail): Adjust all uses.
9638 (ISSUE_POINTS): New macro.
9639 (glat_start, glat_end): New global variables.
9640 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9641 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9642 old_last_basic_block, before_recovery, current_sched_info_var,
9643 rgn_n_insns, luid): New static variables.
9644 (insn_cost1): New function. Move logic from insn_cost to here.
9645 (find_insn_reg_weight1): New function. Move logic from
9646 find_insn_reg_weight to here.
9647 (reemit_notes, move_insn, max_issue): Change signature.
9648 (move_insn1): Removed.
9649 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9650 extend_bb): New static functions to support extension of scheduler's
9652 (generate_recovery_code, process_insn_depend_be_in_spec,
9653 begin_speculative_block, add_to_speculative_block,
9654 init_before_recovery, create_recovery_block, create_check_block_twin,
9655 fix_recovery_deps): New static functions to support
9656 generation of recovery code.
9657 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9658 restore_bb_notes, move_block_after_check, move_succs): New static
9659 functions to support ebb scheduling.
9660 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9661 functions to support handling of register live information.
9662 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9663 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9664 add_jump_dependencies): New static functions.
9665 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9666 consistancy checking.
9667 (debug_spec_status): New function to call from debugger.
9668 (priority): Added code to handle speculation checks.
9669 (rank_for_schedule): Added code to distinguish speculative instructions.
9670 (schedule_insn): Added code to handle speculation checks.
9671 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9672 Fixed to handle ebbs.
9673 (move_insn): Added code to handle ebb scheduling.
9674 (max_issue): Added code to use ISSUE_POINTS of instructions.
9675 (choose_ready): Added code to choose between speculative and
9676 non-speculative instructions.
9677 (schedule_block): Added code to handle ebb scheduling and scheduling of
9678 speculative instructions.
9679 (sched_init): Initialize new variables.
9680 (sched_finish): Free new variables. Print statistics.
9681 (try_ready): Added code to handle speculative instructions.
9682 * lists.c (copy_DEPS_LIST_list): New function.
9683 * sched-deps.c (extend_dependency_caches): New function. Move logic
9684 from create_dependency_caches to here.
9685 (get_dep_weak, ds_merge): Make global.
9686 * genattr.c (main): Code to output prototype for
9687 dfa_clear_single_insn_cache.
9688 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9689 (output_dfa_clean_insn_cache_func): Code to output
9690 dfa_clear_single_insn_cache function.
9691 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9693 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9695 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9696 New static variables.
9697 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9698 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9700 (ebb_sched_info): Initialize new fields.
9701 (get_block_head_tail): Adjust all uses.
9702 (compute_jump_reg_dependencies): Fixed to use glat_start.
9703 (schedule_ebb): Code to remove unreachable last block.
9704 (schedule_ebbs): Added code to update register live information.
9705 * sched-rgn.c (region_sched_info): Initialize new fields.
9706 (get_block_head_tail): Adjust all uses.
9707 (last_was_jump): Removed. Adjust users.
9708 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9709 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9710 Implement new hooks.
9711 (check_dead_notes1): New static function.
9712 (struct region): New fields: dont_calc_deps, has_real_ebb.
9713 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9714 (BB_TO_BLOCK): Fixed to handle EBBs.
9715 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9716 (ebb_head): New static variable.
9717 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9718 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9720 (compute_dom_prob_ps): New assertion.
9721 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9722 global_live_at_start.
9723 (init_ready_list): New assertions.
9724 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9725 (new_ready): Add support for BEGIN_CONTROL speculation.
9726 (schedule_insns): Fixed code that updates register live information
9728 (schedule_region): Fixed to handle EBBs.
9729 (init_regions): Use extend_regions and check_dead_notes1.
9730 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9731 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9732 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9733 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9734 TARGET_SCHED_GEN_CHECK,
9735 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9736 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9737 * doc/invoke.texi (max-sched-insn-conflict-delay,
9738 sched-spec-prob-cutoff): Document.
9740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9742 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9743 inter_tick, queue_index.
9744 (struct sched_info): Change signature of init_ready_list field.
9745 Adjust all initializations.
9746 (RESOLVED_DEPS): New access macro.
9747 (ready_add): Remove prototype.
9748 (try_ready): Add prototype.
9749 * sched-rgn.c (init_ready_list): Use try_ready.
9750 (schedule_region): Initialize
9751 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9752 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9753 (init_ready_list): Use try_ready.
9754 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9755 * lists.c (remove_list_elem): Remove `static'.
9756 (remove_free_INSN_LIST_elem): New function.
9757 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9758 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9759 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9761 (readyp): New variable.
9762 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9763 change_queue_index, resolve_dep): New static functions.
9764 (try_ready): New function. Adjust callers in sched-rgn.c and
9765 sched-ebb.c to use it instead of ready_add.
9766 (clock_var): Move at the begining of file.
9767 (rank_for_schedule): Fix typo.
9768 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9769 (ready_lastpos): Enforce assertion.
9770 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9772 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9773 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9774 (queue_to_ready): Use free_INSN_LIST_list.
9775 (early_queue_to_ready): Fix typo.
9776 (schedule_block): Init readyp. Move init_ready_list call after the
9777 initialization of clock_var. Fix error in rejecting insn by
9778 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9779 that previously corrected INSN_TICKs. Add code for handling
9781 (set_priorities): Fix typo.
9782 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9783 Clarify comment and code that keeps current_sched_info->next_tail
9786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9788 * sched-rgn.c (extend_rgns): New static function.
9789 (find_rgns): Use it.
9790 (gather_region_statistics, print_region_statistics): New static
9792 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9793 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9795 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9796 Andrey Belevantsev <abel@ispras.ru>
9798 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9799 * lists.c (unused_deps_list): New variable.
9800 (free_list): Add assertions to verify the proper distinguishing
9801 between INSN_LISTs and DEPS_LISTs.
9802 (find_list_elem, remove_list_elem, remove_list_node): New static
9804 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9805 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9806 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9807 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9809 (free_INSN_LIST_node): Likewise.
9810 * modulo-sched.c (current_sched_info): Initialize flags field.
9811 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9812 * rtl.def (DEPS_LIST): Define.
9813 * rtl.h: Declare new functions from lists.c.
9814 * sched-deps.c (spec_dependency_cache): New static variable.
9815 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9816 (add_dependence): Change return type to void. Move the logic to ...
9817 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9818 (delete_all_dependences): Add comment about forward_dependency_cache.
9819 Handle spec_dependency_cache. Handle DEPS_LISTs.
9820 (fixup_sched_groups): Clarify the change of priority of output
9821 and anti dependencies.
9822 (sched_analyze_2): Adjust add_dependence calls to create data
9823 speculative dependence.
9824 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9825 Adjust all callers. Handle DEPS_LISTS.
9826 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9827 presence of speculation.
9828 (init_dependency_caches, free_dependency_caches):
9829 Handle spec_dependency_cache.
9830 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9831 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9832 New static functions.
9833 (add_or_update_back_dep, add_or_update_back_forw_dep,
9834 add_back_forw_dep, delete_back_forw_dep): New functions.
9835 * sched-int.h (ds_t, dw_t): New typedefs.
9836 (struct sched_info): Add new field flags.
9837 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9838 Prototype new sched-deps.c functions.
9839 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9840 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9841 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9842 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9843 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9844 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9846 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9848 * sched-rgn.c (current_sched_info): Initialize flags field.
9849 (schedule_insns): Initialize current_sched_info before the sched_init
9851 * sched-ebb.c (current_sched_info): Initialize flags field.
9852 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9853 Call add_or_update_back_dep instead of add_dependence.
9854 Create control speculative dependencies.
9855 (schedule_insns): Initialize current_sched_info before the sched_init
9858 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9860 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9862 (sh_fallback_frame_state): Likewise.
9864 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9866 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9867 Do switch on default_use_cxa_atexit.
9868 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9869 * config/darwin-crt3.o: New.
9870 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9871 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9872 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9874 * config/rs6000/t-darwin: Move crt2.o building to here.
9875 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9876 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9879 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9881 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9882 from '! xxx' to '!xxx' for coding-style conformance.
9883 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9884 (EXTRA_CONSTRAINT): Likewise.
9885 * config/vax/vax.md (four unnamed insns): Likewise.
9887 2006-03-15 Paul Brook <paul@codesourcery.com>
9889 * config/arm/arm.c (minipool_pad): New.
9890 (add_minipool_forward_ref): Include pool alignment padding in address
9892 (push_minipool_fix): Set minipool_pad.
9893 (minipool_pad): Ditto.
9895 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9897 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9898 instead of GET_CODE() == MEM and REG_P() instead of
9900 (print_operand_address): Likewise.
9901 (vax_address_cost): Likewise.
9902 (vax_rtx_costs): Likewise.
9903 (vax_notice_update_cc): Likewise.
9904 (vax_output_int_add): Likewise.
9905 (INDEX_REGISTER_P): Likewise.
9906 (BASE_REGISTER_P): Likewise.
9907 (nonindexed_address_p): Likewise.
9908 (vax_mode_dependent_address_p): Likewise.
9909 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9910 (PRINT_OPERAND): Likewise.
9911 * config/vax/vax.md (ashlsi3): Likewise.
9912 (ashlsi3): Likewise.
9913 (some more unnamed insns): Likewise.
9915 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9917 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9918 iterator-style macro.
9919 (mark_control_dependent_edges_necessary): Update the use of
9920 EXECUTE_IF_CONTROL_DEPENDENT.
9922 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9924 * config/sh/predicates.md (cache_address_operand): Special.
9925 (ua_address_operand): Likewise.
9927 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9929 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9931 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9933 2006-03-15 Andreas Schwab <schwab@suse.de>
9935 * gensupport.c (identify_predicable_attribute): Don't free p_false
9936 when it is still in use.
9938 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9940 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9941 the default setting here.
9943 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9945 * tree-pass.h (pass_cfg): Remove.
9946 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9947 * passes.c (pass_cfg): Don't run it.
9949 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9951 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9952 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9954 (stack_regs_mentioned): Update the uses of
9955 stack_regs_mentioned_data. Don't access the array beyond its
9957 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9958 Don't include gt-reg-stack.h.
9960 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9961 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9963 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9966 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9969 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9971 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9973 2006-03-14 Richard Guenther <rguenther@suse.de>
9975 PR tree-optimization/26672
9976 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9979 2006-03-14 Richard Guenther <rguenther@suse.de>
9981 PR tree-optimization/26667
9982 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9983 node for the callees. Always allow inlining if it will shrink
9986 2006-03-14 Richard Guenther <rguenther@suse.de>
9989 * builtins.c (get_pointer_alignment): Prefer alignment
9990 information from decls over that from types.
9992 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9995 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9997 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9999 * config/rs6000/rs6000.opt (mdlmzb): New option.
10000 (msched-prolog, msched-epilog): Use Var not Mask.
10001 * doc/invoke.texi (-mdlmzb): Document.
10002 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10004 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10005 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10007 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10009 PR rtl-optimization/25739
10010 * bt-load.c (augment_live_range): Free tos pointer.
10012 * gensupport.c (identify_predicable_attribute): Free
10014 * gcov.c (create_file_names): Free name pointer.
10016 2006-03-13 Roger Sayle <roger@eyesopen.com>
10018 PR middle-end/26557
10019 * stmt.c (emit_case_nodes): Handle the case where the index is a
10020 CONST_INT, where the comparison mode is specified by the index type.
10022 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10024 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10027 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10029 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10030 (*branch_fp_inverted): Likewise.
10032 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10034 PR middle-end/25989
10035 * omp-low.c (expand_omp_for_generic): Mark istart0
10036 and iend0 as addressable.
10038 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10040 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10042 2006-03-13 Jeff Law <law@redhat.com>
10044 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10045 virtual operands are interesting.
10046 (vrp_visit_stmt): Corresponding changes.
10048 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10050 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10052 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10053 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10054 * config/bfin/crti.S: Use it instead of __PIC__.
10055 * config/bfin/crtn.S: Likewise.
10057 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10058 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10060 Lose 'G' modifier for call operand.
10061 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10062 recognize 'G' modifier.
10064 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10066 PR middle-end/18859
10067 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10068 * stmt.c (expand_case): Likewise.
10070 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10072 PR rtl-optimization/26254
10073 * loop-invariant.c (seq_insns_valid_p): New function.
10074 (move_invariant_reg): Only emit new code if it is valid.
10076 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10078 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10080 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10081 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10082 (commit_one_edge_insertion): Do not look for loop notes.
10084 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10086 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10087 flag_test_coverage out of loop.
10089 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10091 * final.c (shorten_branches): Remove outdated comment, and turn
10092 the if branch that guards it to continue.
10094 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10096 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10097 * cfgloop.h (struct loop): Remove unused fields.
10099 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10101 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10102 (-dL, -fdump-rtl-loop2): Update the dump file names
10104 * doc/invoke.texi: Update dump file names.
10106 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10108 * predict.c (estimate_probability): Remove.
10109 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10110 * basic-block.h (estimate_probability): Remove prototype.
10111 * passes.c (finish_optimization_passes): Dump branch prediction or
10112 profiling heuristics to the .profile tree dump.
10113 (init_optimization_passes): Unqueue pass_branch_prob.
10115 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10117 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10119 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10120 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10122 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10124 * function.h (frame_offset_overflow): Declare.
10125 * function.c (frame_offset_overflow): New function.
10126 (assign_stack_local_1): Call it to detect that the offset overflows.
10127 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10129 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10131 * config/sh/sh.c: Include alloc-pool.h.
10132 (label_ref_list_pool): New alloc pool.
10133 (label_ref_list_t): New type for lists of labels.
10134 (struct pool_node): Make wend a label_ref_list_t.
10135 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10137 (dump_table): Likewise.
10138 (sh_reorg): Set up the alloc pool before using add_constant and
10139 dump_table, and destroy it when finishing.
10141 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10143 * config/mips/mips.c: Remove redundant comment.
10145 2006-03-10 Jason Merrill <jason@redhat.com>
10148 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10149 the target was declared 'register'.
10151 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10153 * genpreds.c (write_insn_constraint_len): Change definition of
10154 insn_constraint_len to return size_t to match the declaration.
10156 2006-03-10 DJ Delorie <dj@redhat.com>
10158 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10160 (m32c_expand_insv): Fix test for an AND mask.
10162 2006-03-10 Richard Guenther <rguenther@suse.de>
10164 PR middle-end/26565
10165 * builtins.c (get_pointer_alignment): Handle component
10166 references for field alignment.
10168 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10170 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10171 when building with libgloss.
10172 (sh*elf): Implement --without-fp option.
10173 (sh64-superh-linux*): Don't multilib.
10175 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10177 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10179 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10181 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10182 Set it when one of the replacement functions returned true.
10183 Return TODO_cleanup_cfg if cfgchanged is true.
10184 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10186 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10188 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10189 instead of gen_lowpart.
10191 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10193 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10195 (mips_output_order_conditional_branch): Declare.
10196 * config/mips/mips.h (MIPS_BRANCH): New macro.
10197 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10198 for the comparison. Use gen_condjump.
10199 (mips_output_conditional_branch): Rework interface to take the
10200 asm templates for a direct branch and the inverse of a direct branch.
10201 (mips_output_order_conditional_branch): New function.
10202 (mips_builtin_branch_and_move): New function.
10203 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10204 branch condition. Use gen_single_cc as the condition for
10205 __builtin_mips_upper_* or __builtin_mips_lower_*.
10206 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10207 Use VOIDmode for the branch condition.
10208 * config/mips/predicates.md (order_operator): New predicate.
10209 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10210 (branch_fp): Rename to...
10211 (*branch_fp): ...this. Remove mode from comparison operator.
10212 Use new mips_output_conditional_branch interface.
10213 (branch_fp_inverted): Rename to...
10214 (*branch_fp_inverted): ...this and update as for *branch_fp.
10215 (*branch_zero<mode>): Rename to...
10216 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10217 Use mips_output_order_conditional_branch. Only accept ordered
10219 (*branch_zero<mode>_inverted): Rename to...
10220 (*branch_order<mode>_inverted): ...this and update as for
10221 *branch_order<mode>.
10222 (*branch_equality<mode>): Accept zero as the second operand to
10223 the equality operator. Use the new mips_output_conditional_branch
10225 (*branch_equality<mode>_inverted): Likewise.
10226 (condjump): New expander.
10227 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10229 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10230 (bc1any2t, bc1any2f): Likewise.
10231 (single_cc): New expander.
10232 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10234 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10236 * doc/md.texi: Update documentation of MIPS constraints.
10237 * config/mips/constraints.md: New file.
10238 * config/mips/mips.md: Include it.
10239 * config/mips/mips.c (mips_char_to_class): Delete.
10240 (override_options): Don't initialize mips_char_to_class.
10241 * config/mips/mips.h (mips_char_to_class): Delete.
10242 (REG_CLASS_FROM_LETTER): Delete.
10243 (CONST_OK_FOR_LETTER_P): Delete.
10244 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10245 (EXTRA_CONSTRAINT_Y): Delete.
10246 (EXTRA_CONSTRAINT_STR): Delete.
10247 (CONSTRAINT_LEN): Delete.
10248 (EXTRA_MEMORY_CONSTRAINT): Delete.
10250 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10252 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10253 original fn's eh regions.
10255 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10257 * fold-const.c (build_range_check): Make sure to use a valid type to
10258 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10261 (range_predecessor): New static function.
10262 (range_successor): Likewise.
10263 (merge_ranges): Use them to compute predecessors and successors of
10266 2006-03-09 Roger Sayle <roger@eyesopen.com>
10268 PR middle-end/26561
10269 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10270 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10272 2006-03-08 DJ Delorie <dj@redhat.com>
10274 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10275 (addpsi3): Expand to include memory operands. Remove
10276 reload-specific splits.
10277 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10278 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10279 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10280 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10281 (shift1_qi, shift1_hi, insv): New.
10282 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10283 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10284 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10286 * config/m32c/m32c-protos.h: Update as needed.
10287 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10288 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10289 Fail for unrecognized R* constraints.
10290 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10291 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10292 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10294 (m32c_init_libfuncs): New.
10295 (m32c_legitimate_address_p): Add debug wrapper.
10296 (m32c_rtx_costs): New.
10297 (m32c_address_cost): New.
10298 (conversions): Add 'B' prefix.
10299 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10300 operands, or word regnames for QI operands. 'B' prints bit
10302 (m32c_expand_setmemhi): New.
10303 (m32c_expand_movmemhi): New.
10304 (m32c_expand_movstr): New.
10305 (m32c_expand_cmpstr): New.
10306 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10307 (m32c_expand_neg_mulpsi3): Handle non-ints.
10308 (m32c_cmp_flg_0): New.
10309 (m32c_expand_movcc): New.
10310 (m32c_expand_insv): New.
10311 (m32c_scc_pattern): New.
10312 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10313 a0/a1 out of SIregs.
10314 (STORE_FLAG_VALUE): New.
10315 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10318 * config/m32c/mov.md: Make constraints more liberal.
10319 (zero_extendqihi2): Optimize r0/r1 case.
10320 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10321 * config/m32c/predicates.md (m32c_any_operand): New.
10322 (m32c_nonimmediate_operand): New.
10323 (m32c_hl_operand): New.
10324 (m32c_r3_operand): New.
10327 (memsym_operand): New.
10328 (memimmed_operand): New.
10329 (a_qi_operand): New.
10330 (m32c_eqne_operator): New.
10331 (m32c_1bit8_operand): New.
10332 (m32c_1bit16_operand): New.
10333 (m32c_1mask8_operand): New.
10334 (m32c_1mask16_operand): New.
10335 * config/m32c/blkmov.md: New file.
10336 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10338 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10340 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10341 unsigned to fix signed/unsigned comparison issue in
10342 DWARF2_FRAME_REG_OUT.
10343 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10344 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10346 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10347 of ptr into the ENABLE_CHECKING section.
10349 2006-03-08 Jeff Law <law@redhat.com>
10351 * tree-vrp.c (infer_value_range): Only count pointer uses
10352 and dereferences if -fdelete-null-pointer-checks is enabled.
10354 * tree-vrp.c (find_assert_locations): Infer value ranges for
10355 single use pointers, but do not create ASSERT_EXPRs for them.
10356 When a non-null range is inferred for a pointer, backwards
10357 propagate that range to other equivalent pointers through the
10360 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10363 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10364 language hook targets.
10365 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10366 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10367 if language hook targets were missing.
10369 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10371 * tree-ssa-opfinalize.h: Removed.
10372 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10374 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10375 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10376 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10377 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10378 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10379 finalize_ssa_v_must_def_ops): New.
10381 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10383 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10384 block as parameter.
10386 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10388 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10390 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10391 addresses with offsets; reorganize.
10393 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10394 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10395 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10397 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10400 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10402 2006-03-08 Ben Elliston <bje@au.ibm.com>
10404 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10406 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10409 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10412 2006-03-07 Richard Guenther <rguenther@suse.de>
10414 PR tree-optimization/26587
10415 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10417 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10419 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10421 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10423 * hooks.c (hook_bool_mode_rtx_true): New function.
10424 * hooks.h (hook_bool_mode_rtx_true): Declare.
10425 * toplev.c (compile_file): Call output_shared_constant_pool.
10426 * varasm.c (shared_constant_pool): New variable.
10427 (assemble_start_function, assemble_end_function): Remove arguments
10428 from call to output_constant_pool.
10429 (create_constant_pool): New function, split out from...
10430 (init_varasm_status): ...here.
10431 (force_const_mem): Choose between the shared and per-function constant
10432 pools. Set current_function_uses_const_pool when reusing old entries
10433 as well as when creating new ones.
10434 (mark_constant): Ignore data argument.
10435 (mark_constants): Remove pool argument.
10436 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10437 to decide whether the function uses a constant pool.
10438 (output_constant_pool_contents): New function, split out from...
10439 (output_constant_pool): ...here.
10440 (output_shared_constant_pool): New function.
10441 (init_varasm_once): Initialize shared_constant_pool.
10442 * output.h (output_constant_pool): Delete.
10443 (output_shared_constant_pool): Declare.
10444 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10445 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10447 2006-03-06 Nick Clifton <nickc@redhat.com>
10449 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10450 flag_strength_reduce.
10452 2006-03-06 Ben Elliston <bje@au.ibm.com>
10454 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10455 x86_64-*-linux* configurations.
10457 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10458 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10460 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10462 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10464 * basic-block.h: Remove the extern for
10465 rediscover_loops_after_threading.
10467 * cfgloop.c (cancel_loop): Make it static.
10468 * cfgloop.h: Remove the prototype for cancel_loop.
10470 * flow.c (recompute_reg_usage): Make it static.
10471 * rtl.h: Remove the prototype for recompute_reg_usage.
10473 * function.c (use_return_register): Make it static.
10474 * function.h: Remove the prototype.
10476 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10478 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10480 * recog.h: Remove the prototype for
10481 validate_change_maybe_volatile.
10483 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10485 * rtlanal.c (replace_reg): Remove.
10486 * rtl.h: Remove the prototype for replace_reg.
10488 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10490 * regclass.c (reg_scan_update): Remove.
10491 (reg_scan_mark_refs): Remove the last argument.
10492 * rtl.h: Remove the prototype for reg_scan_update.
10494 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10496 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10497 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10498 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10499 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10500 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10501 loop-invariant.c, omp-low.c, opts.c, passes.c,
10502 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10503 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10504 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10505 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10506 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10507 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10509 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10511 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10512 * dwarf2out.h: Remove the prototype for
10513 dwarf2out_add_library_unit_info.
10515 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10517 * tree.c (add_var_to_bind_expr): Remove.
10518 * tree.h: Remove the prototype for add_var_to_bind_expr.
10520 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10522 * regclass.c (n_non_fixed_regs): Remove.
10523 (init_reg_sets_1, globalize_reg): Remove all uses of
10525 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10527 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10529 * rtlanal.c (insns_safe_to_move_p): Remove.
10530 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10532 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10534 * expmed.c (expand_mult_add): Remove.
10535 * expr.h: Remove the prototype for expand_mult_add.
10537 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10539 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10540 and REG_SAVED_VAL_EXP constants.
10541 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10542 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10543 Handle regs stored by value.
10544 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10545 (execute_cfa_program): Handle DW_CFA_val_offset,
10546 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10547 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10548 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10549 (uw_install_context_1): Handle target regs stored by value.
10551 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10553 * tree-sra.c (tree_sra): Return todoflags;
10554 (generate_one_element): Set TODO_update_smt_usage if needed.
10555 (pass_sra): Remove TODO_update_smt_usage.
10556 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10558 (tree_ssa_forward_propagate_single_use_vars): Return
10559 TODO_update_smt_usage if we need to update SMT usage.
10560 (pass_forwprop): Remove TODO_update_smt_usage.
10562 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10564 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10565 (correct_use_link): Remove reference to get_stmt_operands.
10566 (update_stmt_operands): Likewise.
10567 (get_modify_expr_operands): New function factored out of
10568 parse_ssa_operands and get_expr_operands.
10569 Try to create V_MUST_DEFs for LHS by default.
10570 (get_expr_operands) <case MODIFY_EXPR>: Call
10571 get_modify_expr_operands.
10572 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10573 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10574 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10575 get_modify_expr_operands.
10577 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10579 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10580 * tree-flow.h: Remove the prototype for
10581 referenced_var_lookup_if_exists.
10583 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10585 PR rtl-optimization/26345
10587 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10589 2006-03-03 Roger Sayle <roger@eyesopen.com>
10591 PR tree-optimization/26524
10592 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10593 fold_convert to create a constant of the appropriate type.
10595 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10597 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10598 SYMBOL_REF_IN_BLOCK_P.
10599 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10600 of SYMBOL_FLAG_IN_BLOCK.
10601 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10602 instead of SYMBOL_REF_IN_BLOCK_P.
10603 * explow.c (use_anchored_address): Likewise.
10604 * rtl.c (rtx_size): Likewise.
10605 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10606 instead of SYMBOL_FLAG_IN_BLOCK.
10607 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10608 SYMBOL_REF_IN_BLOCK_P.
10609 (assemble_variable): Likewise.
10610 (output_constant_def_contents): Likewise.
10611 (output_constant_pool): Likewise.
10612 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10613 instead of SYMBOL_FLAG_IN_BLOCK.
10614 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10615 SYMBOL_REF_IN_BLOCK_P.
10616 (SYMBOL_REF_BLOCK): Likewise.
10617 (SYMBOL_REF_OFFSET): Likewise.
10618 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10619 SYMBOL_REF_IN_BLOCK_P.
10620 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10621 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10622 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10623 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10625 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10627 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10629 2006-03-02 Roger Sayle <roger@eyesopen.com>
10631 * simplify-rtx.c (simplify_unary_operation): When simplifying
10632 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10633 that we perform the right shift in the appropriate mode, and
10634 then extend or truncate the result to requested mode.
10636 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10638 * gengtype.c (main): Handle double_int type.
10639 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10640 * double-int.c: New file.
10641 * double-int.h: New file.
10642 * system.h: Include doubleint.h.
10643 * Makefile.in (SYSTEM_H): Include double-int.h.
10644 (double-int.o): Add.
10646 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10649 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10652 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10654 * tree-vrp.c (remove_range_assertions): Do not update statements
10657 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10659 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10661 * gcse.c (rest_of_handle_gcse): Ditto.
10662 * except.c (gate_handle_eh): Ditto.
10663 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10664 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10666 2006-03-02 Eric Christopher <echristo@apple.com>
10668 * config/i386/i386.c (machopic_output_stub): Add indirection to
10671 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10675 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10677 Sun Niagara specific optimizations.
10678 * config.gcc: Recognize niagara as target.
10679 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10680 (TARGET_CPU_niagara): Define.
10681 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10682 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10683 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10684 (ASM_CPU_SPEC): Likewise.
10685 (PROCESSOR_NIAGARA): New enum entry.
10686 (REGISTER_MOVE_COST): Handle Niagara.
10687 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10688 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10689 (sparc_override_options): Recognize "niagara", set appropriate
10690 default MASK_* values for it, and align functions to 32-bytes
10691 by default just like ULTRASPARC/ULTRASPARC3.
10692 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10693 (sparc64_initialize_trampoline): Likewise.
10694 (sparc_use_sched_lookahead): Use zero for niagara.
10695 (sparc_issue_rate): Use one for niagara.
10696 * config/sparc/niagara.md: New file.
10697 * config/sparc/sparc.md: Include it.
10698 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10699 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10700 when default cpu is niagara.
10701 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10702 (ASM_CPU_SPEC): Likewise.
10703 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10704 when default cpu is niagara.
10705 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10706 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10707 just like v9/ultrasparc/ultrasparc3.
10708 * doc/invoke.texi: Add documentation for "niagara" and improve
10709 existing documentation for ultrasparc variants.
10711 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10713 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10715 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10717 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10718 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10719 and say that only one is needed.
10720 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10721 * target.h (have_switchable_bss_sections): New hook.
10722 * explow.c (use_anchored_address): Check that the symbol is in a block.
10723 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10724 (bss_noswitch_section): New variables.
10725 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10726 (get_noswitch_section): New function.
10727 (get_block_for_section): Allow SECT to be null.
10728 (unlikely_text_section_p): Use SECTION_STYLE.
10729 (bss_initializer_p): New function.
10730 (get_variable_section): Move earlier in file. Take a new argument,
10731 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10732 Return one of the new *_sections in such cases.
10733 (get_block_for_decl): New function, extracting some logic from
10734 use_blocks_for_decl_p.
10735 (change_symbol_section): Remove in favor of...
10736 (change_symbol_block): ...this new function.
10737 (use_blocks_for_decl_p): Remove checks now performed by
10738 get_block_for_decl.
10739 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10740 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10741 (emit_local, emit_bss, emit_common): ...these new functions.
10742 Return true if the alignment was honored.
10743 (emit_tls_common): New function.
10744 (asm_emit_uninitialised): Delete.
10745 (assemble_variable_noswitch): New function, split out from...
10746 (assemble_variable): ...here. Don't make decisions about common
10747 variables here. Globalize all public decls that go into non-common
10748 sections. Check whether SYMBOL_REF_BLOCK is null.
10749 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10750 (output_constant_pool): Likewise.
10751 (init_varasm_once): Initialize the new section variables.
10752 (have_global_bss_p): New function.
10753 (categorize_decl_for_section): Use bss_initializer_p.
10754 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10755 (place_block_symbol): Assert that the symbol must be in a block.
10756 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10757 (TARGET_INITIALIZER): Include it.
10758 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10759 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10760 (SECTION_MACH_DEP): Bump by two.
10761 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10762 (unnamed_section): Mention SECTION_UNNAMED in comment.
10763 (named_section): Likewise SECTION_NAMED.
10764 (noswitch_section_callback): New type.
10765 (noswitch_section): New structure.
10766 (section): Add a noswitch_section alternative.
10767 (SECTION_STYLE): New macro.
10768 (tls_comm_section, comm_section, lcomm_section): Declare.
10769 (bss_noswitch_section, have_global_bss_p): Declare.
10770 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10771 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10773 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10774 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10777 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10779 * tree-vrp.c (execute_vrp): Return value.
10780 * regrename.c (rest_of_handle_regrename): Ditto.
10781 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10782 * tree-complex.c (tree_lower_complex): Ditto.
10783 (tree_lower_complex_O0): Ditto.
10784 * tracer.c (rest_of_handle_tracer): Ditto.
10785 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10786 * postreload.c (rest_of_handle_postreload): Ditto.
10787 * tree-tailcall.c (execute_tail_recursion): Ditto.
10788 (execute_tail_calls): Ditto.
10789 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10790 * tree.h (init_function_for_compilation): Ditto.
10791 * ipa-cp.c (ipcp_driver): Ditto.
10792 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10793 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10794 * final.c (compute_alignments): Ditto.
10795 (rest_of_handle_final): Ditto.
10796 (rest_of_handle_shorten_branches): Ditto.
10797 (rest_of_clean_state): Ditto.
10798 * omp-low.c (execute_expand_omp): Ditto.
10799 (execute_lower_omp): Ditto.
10800 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10801 * ipa-reference.c (static_execute): Ditto.
10802 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10803 * reorg.c (rest_of_handle_delay_slots): Ditto.
10804 (rest_of_handle_machine_reorg): Ditto.
10805 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10806 * flow.c (recompute_reg_usage): Ditto.
10807 (rest_of_handle_remove_death_notes): Ditto.
10808 (rest_of_handle_life): Ditto.
10809 (rest_of_handle_flow2): Ditto.
10810 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10811 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10812 (do_ssa_store_ccp): Ditto.
10813 (execute_fold_all_builtins): Ditto.
10814 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10815 * modulo-sched.c (rest_of_handle_sms): Ditto.
10816 * ipa-pure-const.c (static_execute): Ditto.
10817 * cse.c (rest_of_handle_cse): Ditto.
10818 (rest_of_handle_cse2): Ditto.
10819 * web.c (rest_of_handle_web): Ditto.
10820 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10821 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10822 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10823 * tree-nrv.c (tree_nrv): Ditto.
10824 (execute_return_slot_opt): Ditto.
10825 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10826 (create_structure_vars): Ditto.
10827 * loop-init.c (rtl_loop_init): Ditto.
10828 (rtl_loop_done): Ditto.
10829 (rtl_move_loop_invariants): Ditto.
10830 (rtl_unswitch): Ditto.
10831 (rtl_unroll_and_peel_loops): Ditto.
10832 (rtl_doloop): Ditto.
10833 * gimple-low.c (lower_function_body): Ditto.
10834 (mark_used_blocks): Ditto.
10835 * tree-ssa-sink.c (execute_sink_code): Ditto.
10836 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10837 (cgraph_early_inlining): Ditto.
10838 * global.c (rest_of_handle_global_alloc): Ditto.
10839 * jump.c (cleanup_barriers): Ditto.
10840 (purge_line_number_notes): Ditto.
10841 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10842 (rest_of_handle_if_after_reload): Ditto.
10843 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10844 (tree_ssa_loop_im): Ditto.
10845 (tree_ssa_loop_unswitch): Ditto.
10846 (tree_vectorize): Ditto.
10847 (tree_linear_transform): Ditto.
10848 (tree_ssa_loop_ivcanon): Ditto.
10849 (tree_ssa_empty_loop): Ditto.
10850 (tree_ssa_loop_bounds): Ditto.
10851 (tree_complete_unroll): Ditto.
10852 (tree_ssa_loop_prefetch): Ditto.
10853 (tree_ssa_loop_ivopts): Ditto.
10854 (tree_ssa_loop_done): Ditto.
10855 * predict.c (tree_estimate_probability): Ditto.
10856 * recog.c (split_all_insns_noflow): Ditto.
10857 (rest_of_handle_peephole2): Ditto.
10858 (rest_of_handle_split_all_insns): Ditto.
10859 * tree-eh.c (lower_eh_constructs): Ditto.
10860 * regmove.c (rest_of_handle_regmove): Ditto.
10861 (rest_of_handle_stack_adjustments): Ditto.
10862 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10863 * function.c (instantiate_virtual_regs): Ditto.
10864 (init_function_for_compilation): Ditto.
10865 (rest_of_handle_check_leaf_regs): Ditto.
10866 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10867 (rest_of_handle_gcse): Ditto.
10868 * ipa-type-escape.c (type_escape_execute): Ditto.
10869 * alias.c (rest_of_handle_cfg): Ditto.
10870 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10871 * profile.c (rest_of_handle_branch_prob): Ditto.
10872 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10873 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10874 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10875 * tree-dfa.c (find_referenced_vars): Ditto.
10876 * except.c (set_nothrow_function_flags): Ditto.
10877 (convert_to_eh_region_ranges): Ditto.
10878 (rest_of_handle_eh): Ditto.
10879 * emit-rtl.c (unshare_all_rtl): Ditto.
10880 (remove_unnecessary_notes): Ditto.
10881 * except.h (set_nothrow_function_flags): Ditto.
10882 (convert_to_eh_region_ranges): Ditto.
10883 * cfgexpand.c (tree_expand_cfg): Ditto.
10884 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10885 * tree-ssa-pre.c (do_pre): Ditto.
10886 (execute_fre): Ditto.
10887 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10888 (rest_of_handle_jump2): Ditto.
10889 * tree-sra.c (tree_sra): Ditto.
10890 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10891 (execute_mudflap_function_decls): Ditto.
10892 * tree-ssa-copy.c (do_copy_prop): Ditto.
10893 (do_store_copy_prop): Ditto.
10894 * ipa-prop.h (ipcp_driver): Ditto.
10895 * cfglayout.c (insn_locators_initialize): Ditto.
10896 * tree-ssa-forwprop.c
10897 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10898 * cfglayout.h (insn_locators_initialize): Ditto.
10899 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10900 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10901 (execute_late_warn_uninitialized): Ditto.
10902 * rtl.h (cleanup_barriers): Ditto.
10903 (split_all_insns_noflow): Ditto.
10904 (purge_line_number_notes): Ditto.
10905 (unshare_all_rtl): Ditto.
10906 (remove_unnecessary_notes): Ditto.
10907 (recompute_reg_usage): Ditto.
10908 (variable_tracking_main): Ditto.
10909 * integrate.c (emit_initial_value_sets): Ditto.
10910 * integrate.h (emit_initial_value_sets): Ditto.
10911 * tree-optimize.c (execute_free_datastructures): Ditto
10912 (execute_free_cfg_annotations): Ditto.
10913 (execute_fixup_cfg): Ditto.
10914 (execute_cleanup_cfg_pre_ipa): Ditto.
10915 (execute_cleanup_cfg_post_optimizing): Ditto.
10916 (execute_init_datastructures): Ditto.
10917 * tree-object-size.c (compute_object_sizes): Ditto.
10918 * combine.c (rest_of_handle_combine): Ditto.
10919 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10920 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10921 (rest_of_handle_reorder_blocks): Ditto.
10922 (rest_of_handle_partition_blocks): Ditto.
10923 * var-tracking.c (variable_tracking_main): Ditto.
10924 * tree-profile.c (tree_profiling): Ditto.
10925 * tree-vect-generic.c (expand_vector_operations): Ditto.
10926 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10927 * sched-rgn.c (rest_of_handle_sched): Ditto.
10928 (rest_of_handle_sched2): Ditto.
10929 * basic-block.h (free_bb_insn): Ditto.
10930 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10931 * tree-cfg.c (execute_build_cfg): Ditto.
10932 (remove_useless_stmts): Ditto.
10933 (split_critical_edges): Ditto.
10934 (execute_warn_function_return): Ditto.
10935 (execute_warn_function_noreturn): Ditto.
10936 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10937 * cfgrtl.c (free_bb_for_insn): Ditto.
10938 * passes.c (execute_one_pass): Run additional
10939 todos returned by execute function.
10940 * tree-pass.h (struct tree_opt_pass): Make execute
10943 2006-03-02 Richard Guenther <rguenther@suse.de>
10945 * tree-ssa-alias.c (find_used_portions): Consider taking
10946 the address as making the variable not write-only.
10948 2006-03-02 Nick Clifton <nickc@redhat.com>
10950 * config.gcc (default_use_cxa_atexit): Extend the description of
10951 this configure variable. Set its default value to "yes" for
10952 Linux, NetBSD and ELF targets on the assumption that they will
10953 use C libraries with the __cxa_atexit function.
10955 2006-03-02 Ben Elliston <bje@au.ibm.com>
10957 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10958 parameter as unused to suppress a build warning.
10960 2006-03-02 Ben Elliston <bje@au.ibm.com>
10962 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10965 2006-03-01 Roger Sayle <roger@eyesopen.com>
10968 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10969 declared name, the weak reference name, and the typeof name.
10970 (__gthrw): Avoid expanding the declared name suffix.
10971 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10973 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10975 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10977 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10978 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10979 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10980 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10981 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10982 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10983 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10984 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10985 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10986 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10987 (DW_END_default, DW_END_big, DW_END_little): New.
10988 (DW_END_lo_user, DW_END_hi_user): Define.
10989 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10990 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10991 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10994 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10996 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10998 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11000 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11002 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11004 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11005 to 'symbol_mem_tag'.
11007 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11010 2006-03-01 Roger Sayle <roger@eyesopen.com>
11012 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11014 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11017 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11018 MACHO_DYNAMIC_NO_PIC_P.
11019 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11021 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11024 * config/darwin-protos.h (darwin_asm_output_anchor):
11026 * config/darwin-sections.def (cstring_section):
11027 Add SECTION_MERGE to the flags.
11028 (literal4_section): Likewise.
11029 (literal8_section): Likewise.
11030 (objc_selector_refs_section): Likewise.
11031 (objc_cls_refs_section): Likewise.
11032 * config/darwin.c (darwin_asm_output_anchor): New
11034 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11036 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11038 Fix PR tree-optimization/26443
11039 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11040 to todo and PROP_tmt_usage to properties_destroyed.
11041 * tree-ssa-ccp.c (pass_ccp): Ditto.
11042 (pass_store_ccp): Ditto.
11043 * tree-ssa-dom.c (pass_dominator): Ditto.
11045 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11047 * tree-ssa-operands.c: Cleanup whitespace.
11048 (get_asm_expr_operands): Move before first invocation.
11049 (get_indirect_ref_operands): Likewise.
11050 (get_tmr_operands): Likewise.
11051 (get_call_expr_operands): Likewise.
11052 (append_def): Likewise.
11053 (append_use): Likewise.
11054 (append_v_may_def): Likewise.
11055 (append_v_must_def): Likewise.
11056 (add_call_clobber_ops): Likewise.
11057 (add_call_read_ops): Likewise.
11058 (add_stmt_operand): Likewise.
11059 (add_virtual_operand): Likewise.
11060 (build_ssa_operands): Likewise.
11062 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11064 PR middle-end/26022
11066 PR middle-end/24437
11067 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11068 with a call expr to ...
11069 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11071 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11073 * tree-vrp.c (extract_range_from_assert): Remove special
11074 handling for types with super-types.
11076 2006-03-01 Ben Elliston <bje@au.ibm.com>
11078 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11079 and powerpc64-*-linux* configurations.
11080 * config/t-dfprules: New file.
11082 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11083 Compile dfp-bit.c from the source directory using -DWIDTH and
11084 $DFP_CFLAGS to control the compilation of that file, rather than
11085 generating width-specific versions in the build directory.
11086 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11087 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11089 2006-02-28 Zack Weinberg <zackw@panix.com>
11091 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11094 2006-02-28 Eric Christopher <echristo@apple.com>
11096 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11097 Set up IN_LIBGCC definition of TARGET_64BIT.
11098 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11100 2006-02-28 Roger Sayle <roger@eyesopen.com>
11102 PR middle-end/14752
11103 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11104 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11105 cases via the construction of "expr != 0".
11107 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11109 * alias.c (alias_invariant, alias_invariant_size): Remove.
11110 (record_base_value): Remove.
11111 (memrefs_conflict_p): Don't look at alias_invariant.
11112 (end_alias_analysis): Don't free it.
11113 * alias.h (record_base_value): Remove prototype.
11115 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11116 Adam Nemet <anemet@caviumnetworks.com>
11118 * rtl.h (truncated_to_mode): Declare it.
11119 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11120 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11121 (RTL_HOOKS_INITIALIZER): Include it.
11122 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11123 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11124 reg_truncated_to_mode.
11125 * rtlanal.c (truncated_to_mode): Define it.
11126 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11128 2006-02-28 Jeff Law <law@redhat.com>
11130 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11131 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11132 the range allowed by TYPE_PRECISION.
11134 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11136 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11138 PR tree-optimization/26419
11139 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11142 2006-02-27 Zack Weinberg <zackw@panix.com>
11144 * doc/md.texi: Fix typo in previous change.
11146 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11150 2006-02-27 Zack Weinberg <zackw@panix.com>
11152 * rtl.def (define_constraint, define_register_constraint)
11153 (define_memory_constraint, define_address_constraint): New MD forms.
11154 * gensupport.c (process_rtx): Put define_constraint etc on the
11156 * genpreds.c (process_define_predicate): Adjust comment. Validate
11157 the name, and call validate_exp to validate the expression.
11158 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11159 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11160 all callers changed.
11161 (validate_exp, needs_variable, struct constraint_data)
11162 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11163 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11164 (const_dbl_constraints, constraint_max_namelen)
11165 (have_register_constraints, have_memory_constraints)
11166 (have_address_constraints, have_address_constraints)
11167 (have_extra_constraints, have_const_int_constraints)
11168 (have_const_dbl_constraints, mangle, add_constraint)
11169 (process_define_constraint, process_define_register_constraint)
11170 (write_enum_constraint_num, write_lookup_constraint)
11171 (write_insn_constraint_len, write_regclass_for_constraint)
11172 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11173 (write_insn_extra_memory_constraint)
11174 (write_insn_extra_address_constraint)
11175 (write_satisfies_constraint_fns): New.
11176 (write_tm_preds_h): If we have new-style constraint definitions,
11177 prototype the functions generated from them, and define the
11178 old constraint interface (still used by generic code) in terms of
11180 (write_insn_preds_c): If we have new-style constraint definitions,
11181 generate all relevant functions from those definitions.
11182 (main): Handle define_constraint etc.
11183 * genoutput.c (struct constraint_data, indep_constraints)
11184 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11185 (mdep_constraint_len): New data structures and functions, defined
11186 #ifdef USE_MD_CONSTRAINTS.
11187 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11188 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11189 use new logic to validate operand constraints against constraint
11191 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11193 * defaults.h: If none of the old-style constraint macros are
11194 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11195 old-style macros; and poison REG_CLASS_FROM_LETTER,
11196 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11198 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11199 * doc/md.texi: Document new constraint-definition mechanism and the
11200 C interface it provides. Remove references to old mechanism
11201 elsewhere in the document.
11202 (Machine Constraints): Use pathnames relative to gcc directory,
11203 i.e. config/ARCH/FILE. Change i386 section to refer to
11204 config/i386/predicates.md; update that section to match docstrings.
11205 * doc/tm.texi: Move all documentation of the old constraint-
11206 definition macros to their own section, clearly mark as obsolete.
11208 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11209 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11211 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11212 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11213 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11214 constraint strings.
11215 (splits and peepholes): Use satisfies_constraint_*.
11216 * config/i386/i386.c (memory_address_length)
11217 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11219 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11221 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11222 scalar operation to be put back into the loop.
11224 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11227 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11228 (extract_cie_info): Handle S flag in augmentation string.
11229 (execute_cfa_program): If context->signal_frame, execute also
11230 fs->pc == context->ra instructions.
11231 (uw_frame_state_for): If context->signal_frame, don't subtract one
11232 from context->ra to find FDE.
11233 (uw_update_context_1): Set context->signal_frame to
11235 (_Unwind_GetIPInfo): New function.
11236 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11237 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11239 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11240 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11241 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11242 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11243 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11244 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11245 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11246 x86_64_fallback_frame_state): Set fs->signal_frame.
11247 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11248 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11249 (frob_update_context): Likewise. Workaround missing S flag in
11250 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11251 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11252 Remove the psw_addr + 1 hack.
11254 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11256 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11257 with aggregates here.
11258 (find_func_aliases): Remove code for &<aggregate> from here.
11260 2006-02-26 Roger Sayle <roger@eyesopen.com>
11262 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11263 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11264 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11265 as (X & C) ne/eq 0.
11267 2006-02-26 Roger Sayle <roger@eyesopen.com>
11269 PR middle-end/19983
11270 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11272 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11274 * opts.c (decode_options): Do not handle flag_strength_reduce.
11275 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11276 and OPT_fstrength_reduce.
11277 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11278 flag_prefetch_loop_arrays for being nonzero.
11279 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11281 (fprefetch-loop-arrays-rtl): Removed.
11282 (flag_prefetch_loop_arrays): Do not specify the value.
11284 * doc/passes.texi: Update documentation of loop optimizer
11286 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11287 -frerun-loop-opt): Remove.
11289 2006-02-26 Richard Guenther <rguenther@suse.de>
11291 PR tree-optimization/26421
11292 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11293 in function calls that are ADDR_EXPRs as using the whole structure.
11295 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11297 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11298 * tree-pass.h (pass_loop_optimize): Remove.
11299 * passes.c (pass_loop_optimize): Never run it.
11300 * toplev.c (backend_init): Don't call init_loop.
11301 * opts.c (flag_loop_optimize_set): Remove.
11302 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11303 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11304 the old RTL loop optimizer when profiling enabled.
11305 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11306 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11307 pre-headers for the sake of the old RTL loop optimizer.
11308 * Makefile.in: Remove all references to loop.o.
11310 * doc/invoke.texi: Remove all references to -floop-optimize
11311 and -frerun-loop-opt.
11313 2006-02-26 Zack Weinberg <zackw@panix.com>
11315 * doc/md.texi (Machine Constraints): Refer to all files with paths
11316 relative to gcc directory (i.e. config/CPU/file). Add missing
11317 @table @code ... @end table to M32C subsection.
11319 2006-02-26 Roger Sayle <roger@eyesopen.com>
11321 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11323 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11325 2006-02-26 Roger Sayle <roger@eyesopen.com>
11326 James A. Morrison <phython@gcc.gnu.org>
11328 PR middle-end/21137
11329 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11330 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11331 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11332 signedness of the shift operation.
11334 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11336 PR tree-optimization/26359
11337 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11339 2006-02-25 Roger Sayle <roger@eyesopen.com>
11341 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11342 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11343 as X == 0, and some symmetry related transformations.
11344 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11346 2006-02-25 Roger Sayle <roger@eyesopen.com>
11348 PR middle-end/23673
11349 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11350 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11351 symmetry related transformations. Fold (X^C1) == C2 as
11354 2006-02-25 Juergen Weigert <jw@suse.de>
11355 Richard Guenther <rguenther@suse.de>
11357 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11359 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11361 * combine.c (gen_lowpart_or_truncate): Call
11362 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11364 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11366 * doc/invoke.texi: Move -fopenmp description to "Options for
11368 Remove reference to -lgomp.
11370 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11372 * doc/install.texi: Require GNU tar version 1.14.
11374 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11376 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11377 * doc/invoke.texi (C++ Dialect Options): Document
11378 -fno-use-cxa-get-exception-ptr.
11379 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11380 * configure: Regenerate.
11381 * c.opt (fuse-cxa-get-exception-ptr): New.
11382 * c-opts.c (c_common_handle_option): Handle
11383 OPT_fuse_cxa_get_exception_ptr.
11384 * c-common.c (flag_use_cxa_atexit): Update documentation.
11385 (flag_use_cxa_get_exception_ptr): New.
11386 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11387 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11389 (C_COMMON_OVERRIDE_OPTIONS): New.
11391 2006-02-24 Roger Sayle <roger@eyesopen.com>
11393 PR middle-end/24952
11394 * combine.c (try_combine): Explicitly check whether GET_CODE is
11395 a SET or a CLOBBER, instead on checking that it isn't a USE.
11397 2006-02-24 Roger Sayle <roger@eyesopen.com>
11399 * fold-const.c (fold_comparison): New subroutine of fold_binary
11400 containing transformations common to both the equality and
11401 ordering relational operators, factored out of fold_binary.
11402 (fold_binary): Separate out the equality operators (EQ_EXPR
11403 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11404 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11405 transformations common to both.
11406 (fold_div_compare): Fix latent bugs in the previously unreachable
11407 LT_EXPR and GE_EXPR cases.
11409 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11411 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11412 decl libname for clog to __clog on AIX.
11414 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11416 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11419 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11420 output traceback table for thunks. Localise rs6000_stack_info call.
11422 2006-02-23 Roger Sayle <roger@eyesopen.com>
11423 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11425 * gthr-posix.h (__gthrw): Fix typo in comment.
11427 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11429 * doc/cpp.texi (Character sets): Document that we do support
11430 input files to be in any character set.
11432 2006-02-23 Jeff Law <law@redhat.com>
11434 * tree.h (PHI_ARG_NONZERO): Remove.
11435 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11436 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11437 node to the new node.
11439 PR tree-optimization/26425
11440 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11441 min/max, then assume its varying.
11443 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11445 PR rtl-optimization/26316
11446 * rtlanal.c (enum may_trap_p_flags): New.
11447 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11448 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11449 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11450 (may_trap_after_code_motion_p): New function.
11451 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11452 (find_invariant_insn): Use may_trap_after_code_motion_p.
11453 * rtl.h (may_trap_after_code_motion_p): Declare.
11455 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11457 * emit-rtl.c (immed_double_const): Cleanup.
11459 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11461 Fix PR tree-optimization/26376
11462 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11465 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11467 PR middle-end/26412
11468 * gimplify.c (omp_add_variable): Guard variable size decl test with
11469 DECL_SIZE (decl) check.
11471 2006-02-23 Richard Guenther <rguenther@suse.de>
11473 PR middle-end/26439
11474 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11475 like aggregate types.
11477 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11479 * configure.ac: Add --with{,out}-long-double-128 configure option.
11480 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11481 * configure: Rebuilt.
11482 * config.in: Rebuilt.
11483 * doc/install.texi (Options specification): Document
11484 --with-long-double-128.
11486 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11487 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11488 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11489 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11491 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11493 * config/s390/s390.c (override_options): Handle
11494 TARGET_DEFAULT_LONG_DOUBLE_128.
11496 * config/alpha/alpha.c (override_options): Handle
11497 TARGET_DEFAULT_LONG_DOUBLE_128.
11499 * config/sparc/sparc.c (sparc_override_options): Handle
11500 TARGET_DEFAULT_LONG_DOUBLE_128.
11502 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11504 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11505 (real-install-headers-tar, real-install-headers-cpio)
11506 (real-install-headers-cp): New targets.
11508 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11510 * tree.h (variable_section): Delete.
11511 * varasm.c (variable_section): Delete.
11513 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11515 * install.texi: Add notes on install.texi2html.
11516 (Building in parallel): Do not use footnotes.
11518 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11521 * doc/install.texi (Configuration): Document --disable-libgomp.
11523 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11525 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11527 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11529 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11530 (vec_extractv2df_0_sse): New.
11532 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11534 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11535 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11536 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11537 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11538 to the result of the expression.
11539 (def_cfa_1): Adjust.
11540 (frame_pointer_cfa_offset): Rename to...
11541 (frame_pointer_fb_offset): ... this. Adjust all uses.
11542 (convert_cfa_to_loc_list): Rename to...
11543 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11544 Pass it on to build_cfa_loc.
11545 (compute_frame_pointer_to_cfa_displacement): Rename to...
11546 (compute_frame_pointer_to_fb_displacement): ... this. New
11547 offset parameter. Use it in computation.
11548 (gen_subprogram_die): Compute cfa_fb_offset with the new
11549 macro, and use it to compute the fb loc list and the
11552 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11554 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11555 replaced with register_operand.
11556 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11557 non-DREG is expensive.
11558 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11559 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11562 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11564 * doc/install.texi2html: Use set -e.
11566 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11568 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11569 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11570 * doc/invoke.texi (-fshared-data): Delete.
11571 * common.opt (fshared-data): Delete.
11572 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11573 (assemble_static_space): Remove #if 0 code.
11574 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11575 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11576 * config/cris/cris.h: Remove FIXME.
11578 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11580 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11583 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11585 PR middle-end/26379
11586 * combine.c (simplify_shift_const_1): Disable nested shifts
11587 optimization for vector shifts.
11589 2006-02-20 Roger Sayle <roger@eyesopen.com>
11591 PR tree-optimization/26361
11592 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11593 of unsigned integer types.
11595 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11597 * tree-chrec.c (eq_evolutions_p): New.
11598 * tree-chrec.h (eq_evolutions_p): Declared.
11599 * tree-data-ref.c: Fix formatting.
11600 (datadep_stats, dependence_stats): New.
11602 (print_direction_vector): New.
11603 (dump_data_dependence_relation): Use print_direction_vector.
11604 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11605 (compute_subscript_distance): Static.
11606 (initialize_data_dependence_relation): Static. Get the number
11607 of loops surrounding the references from the callers, and initialize
11608 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11609 base_object_differ_p analyzers.
11610 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11611 compute_overlap_steps_for_affine_1_2,
11612 analyze_subscript_affine_affine): Count the classified dependences.
11613 Print a message when a test failed.
11614 (can_use_analyze_subscript_affine_affine): New.
11615 (analyze_siv_subscript): Compute the data dependences on symbolic
11616 scevs that verify can_use_analyze_subscript_affine_affine.
11617 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11618 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11619 Handle symbolic scevs.
11620 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11622 (subscript_dependence_tester): Moved...
11623 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11624 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11625 DDR_SIZE_VECT instead of getting it in parameter.
11626 (subscript_dependence_tester): ... here. Take as a parameter
11627 loop_nest_depth. Call build_classic_dist_vector and
11628 build_classic_dir_vector.
11629 (compute_affine_dependence): Update subscript_dependence_tester
11630 parameters. Update datadep_stats counters. Call
11631 compute_subscript_distance.
11632 (compute_self_dependence): Save the dist and dir vectors. Call
11633 compute_subscript_distance.
11634 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11635 (compute_all_dependences): Reorder parameters as they were before
11636 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11637 compute_subscript_distance. Update the use of
11638 compute_affine_dependence and initialize_data_dependence_relation.
11639 (find_data_references_in_loop): Handle COMPONENT_REF.
11640 (compute_data_dependences_for_loop): Initialize dependence_stats.
11641 Don't call build_classic_dist_vector and build_classic_dir_vector.
11642 Update the parameters of initialize_data_dependence_relation and
11643 compute_all_dependences. Print the statistics from datadep_stats.
11644 (analyze_all_data_dependences): Static. Not used until the pass for
11645 checking the data dependences is contributed.
11646 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11647 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11648 (initialize_data_dependence_relation, compute_affine_dependence,
11649 analyze_all_data_dependences, compute_subscript_distance): Removed.
11650 (print_direction_vector): New.
11651 * lambda.h (gcd): ... here.
11652 (lambda_vector_gcd): Moved here from gcd_vector.
11653 * lambda-code.c (gcd, gcd_vector): Removed.
11654 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11655 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11657 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11659 * ipa-type-escape.c: Tidy some comments and white space.
11660 * tree-ssa-operands.c: Likewise.
11662 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11665 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11666 (dump_decl_name): Do not walk the decl tree chains.
11667 * tree-pass.h (TDF_CHAIN): Remove.
11669 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11671 * Makefile.in (C): Remove
11673 (.PHONY): Remove C and PROTO
11675 2006-02-20 Roger Sayle <roger@eyesopen.com>
11677 PR middle-end/26236
11678 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11679 deprecated CHAR_TYPE tree code.
11681 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11683 * configure.ac (target_list): Add install-info, dvi, html.
11684 * configure: Regenerate.
11686 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11687 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11688 treelang/Make-lang.in: Do not use double-colon rules.
11690 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11692 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11693 (TMT_USED_ALONE): New macro.
11694 * tree-pass.h (PROP_tmt_usage): New property.
11695 (TODO_update_tmt_usage): New todo.
11696 * tree-ssa-alias.c (updating_used_alone): New variable.
11697 (recalculate_used_alone): New function.
11698 (compute_may_aliases): Set updating_used_alone, call
11699 recalculate_used_alone.
11700 * tree-sra.c (pass_sra): Note that this pass destroys
11701 PROP_tmt_usage, and add TODO_update_tmt_usage.
11702 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11703 * tree-flow.h (updating_used_alone): Prototype.
11704 (recalculate_used_alone): Ditto.
11705 * passes.c (execute_todo): Add code to set updating_used_alone,
11706 and call recalculate.
11707 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11708 for clobber if used alone, and add assert to verify used_alone
11711 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11713 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11714 for non tls symbols added.
11715 (legitimize_address): Do nothing for PLUS expressions if one of the
11716 addends is a tls symbol reference.
11718 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11722 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11724 * Makefile.in (BOOTSTRAPPING): New.
11725 (quickstrap): New definition if BOOTSTRAPPING=yes.
11727 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11728 * configure.ac: Substitute all_selected_languages with the languages
11729 that were configured. For all the other variables except
11730 lang_specs_files, include all the languages in the tree.
11731 * configure: Regenerate.
11733 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11734 if there is one. Run the commands to run fixincludes in the same
11737 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11738 * doc/install.texi: Document exact conventions for searching target tools.
11739 Document --with-build-time-tools. Document toplevel bootstrap. Document
11740 something more about building an Ada cross-compiler. Don't list GNU Make
11741 requirements which affect all platforms.
11743 2006-02-19 Roger Sayle <roger@eyesopen.com>
11745 PR middle-end/19543
11746 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11747 only equivalent if the have both the same mode and precision.
11749 2006-02-20 Ben Elliston <bje@au.ibm.com>
11751 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11753 2006-02-19 Roger Sayle <roger@eyesopen.com>
11754 Steven Bosscher <stevenb.gcc@gmail.com>
11756 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11757 constant pool references to identify stack mode constants.
11758 * rtlanal.c (constant_pool_constant_p): New predicate to check
11759 whether operand is a floating point constant in the pool.
11760 * rtl.h (constant_pool_constant_p): Prototype here.
11761 * loop.c (scan_loop): Avoid hoisting constants from the constant
11762 pool on STACK_REGS targets.
11763 (load_mems): Likewise.
11764 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11765 loads into x87 registers expensive in terms of register pressure.
11767 2006-02-19 Roger Sayle <roger@eyesopen.com>
11769 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11770 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11772 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11774 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11775 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11777 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11779 * doc/invoke.texi: Document -fipa-pta.
11780 * common.opt: Add ipa-pta option.
11781 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11782 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11783 (do_ds_constraint): Ditto.
11784 (get_constraint_for): Only add to referenced_vars if
11785 referenced_vars exists.
11786 (insert_into_field_list): Rewrite to do this unsorted.
11787 (insert_into_field_list_sorted): Rename old insert_into_field_list
11789 (create_function_info_for): Use insert_into_field_list_sorted.
11790 (create_variable_info_for): Rewrite so it uses unsorted version,
11791 since the field list is sorted.
11792 (intra_create_variable_infos): Only add to referenced_vars if
11793 referenced_vars exists.
11794 (ipa_pta_execute): Init heapvars, and delete when done.
11795 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11797 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11799 * doc/install.texi: Add missing `@samp'.
11801 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11803 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11806 2006-02-18 Mark Wielaard <mark@klomp.org>
11808 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11809 who added new 4.1 features, bug fixes and integration support.
11811 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11814 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11815 MEM for ABI_V4 pic.
11817 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11819 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11820 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11821 (copy_insn_1): Likewise. Don't copy each field individually.
11823 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11825 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11826 * rtl.c (rtx_size): Rename variable to...
11827 (rtx_code_size): ...this.
11828 (rtx_size): New function.
11829 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11830 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11832 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11833 * rtl.h (rtx_code_size): New variable.
11834 (rtx_size): Change from a variable to a function.
11835 (RTX_SIZE): Rename to...
11836 (RTX_CODE_SIZE): ...this.
11839 PR tree-optimization/17106
11840 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11841 (Anchored Addresses): New section.
11842 * doc/invoke.texi (-fsection-anchors): Document.
11843 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11844 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11845 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11846 * hooks.c (hook_bool_mode_rtx_false): New function.
11847 * hooks.h (hook_bool_mode_rtx_false): Declare.
11848 * gengtype.c (create_optional_field): New function.
11849 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11850 SYMBOL_REF_IN_BLOCK_P is true.
11851 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11852 (min_anchor_offset, max_anchor_offset): Likewise.
11853 (use_anchors_for_symbol_p): New hook.
11854 * toplev.c (compile_file): Call output_object_blocks.
11855 (target_supports_section_anchors_p): New function.
11856 (process_options): Check that -fsection-anchors is only used on
11857 targets that support it and when -funit-at-a-time is in effect.
11858 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11859 if the decl doesn't have one.
11860 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11861 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11862 of force_const_mem through use_anchored_address.
11863 (expand_expr_constant): New function.
11864 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11865 calling expand_expr for INDIRECT_REF.
11866 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11867 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11868 * expr.h (use_anchored_address): Declare.
11869 * loop-unroll.c: Don't declare rtx vectors here.
11870 * explow.c: Include output.h.
11871 (validize_mem): Call use_anchored_address.
11872 (use_anchored_address): New function.
11873 * common.opt (-fsection-anchors): New switch.
11874 * varasm.c (object_block_htab, anchor_labelno): New variables.
11875 (hash_section, object_block_entry_eq, object_block_entry_hash)
11876 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11877 (use_blocks_for_decl_p, change_symbol_section): New functions.
11878 (get_variable_section): New function, split out from assemble_variable.
11879 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11880 use_blocks_for_decl_p say so. Use change_symbol_section if the
11881 symbol has already been created.
11882 (assemble_variable_contents): New function, split out from...
11883 (assemble_variable): ...here. Don't output any code for
11884 block symbols; just pass them to place_block_symbol.
11885 Use get_variable_section and assemble_variable_contents.
11886 (get_constant_alignment, get_constant_section, get_constant_size): New
11887 functions, split from output_constant_def_contents.
11888 (build_constant_desc): Create a block symbol if use_object_blocks_p
11889 says so. Or into SYMBOL_REF_FLAGS.
11890 (assemble_constant_contents): New function, split from...
11891 (output_constant_def_contents): ...here. Don't output any code
11892 for block symbols; just pass them to place_section_symbol.
11893 Use get_constant_section and get_constant_alignment.
11894 (force_const_mem): Create a block symbol if use_object_blocks_p and
11895 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11896 (output_constant_pool_1): Add an explicit alignment argument.
11897 Don't switch sections here.
11898 (output_constant_pool): Adjust call to output_constant_pool_1.
11899 Switch sections here instead. Don't output anything for block symbols;
11900 just pass them to place_block_symbol.
11901 (init_varasm_once): Initialize object_block_htab.
11902 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11903 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11904 (place_block_symbol, get_section_anchor, output_object_block)
11905 (output_object_block_htab, output_object_blocks): New functions.
11906 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11907 (TARGET_ASM_OUT): Include it.
11908 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11909 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11910 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11911 (TARGET_INITIALIZER): Include them.
11912 * rtl.c (rtl_check_failed_block_symbol): New function.
11913 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11914 (block_symbol, object_block): New structures.
11915 (rtx_def): Add a block_symbol field to the union.
11916 (BLOCK_SYMBOL_CHECK): New macro.
11917 (rtl_check_failed_block_symbol): Declare.
11918 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11919 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11920 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11921 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11922 * output.h (output_section_symbols): Declare.
11923 (object_block): Name structure.
11924 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11925 (default_use_anchors_for_symbol_p): Declare.
11926 * Makefile.in (RTL_BASE_H): Add vec.h.
11927 (explow.o): Depend on output.h.
11928 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11929 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11930 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11931 (rs6000_use_blocks_for_constant_p): New function.
11933 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11935 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11937 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11940 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11943 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11945 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11949 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11951 PR middle-end/26334
11952 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11953 instead of DECL_REGISTER.
11955 2006-02-18 Olivier Hainque <hainque@adacore.com>
11958 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11960 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11963 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11964 * opth-gen.awk: Handle Var and InverseMask together.
11965 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11966 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11967 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11968 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11970 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11971 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11972 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11973 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11974 LINUX_DYNAMIC_LINKER): Define.
11975 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11976 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11978 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11979 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11980 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11982 (TARGET_C99_FUNCTIONS): Don't define.
11983 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11984 GLIBC_DYNAMIC_LINKER.
11985 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11986 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11987 GLIBC_DYNAMIC_LINKER64): Define.
11988 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11989 LINUX_DYNAMIC_LINKER64.
11990 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11992 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11994 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11996 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11997 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11998 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11999 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12000 and LINUX_DYNAMIC_LINKER32.
12001 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12003 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12005 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12007 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12008 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12009 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12010 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12011 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12012 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12013 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12014 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12015 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12016 LINUX_DYNAMIC_LINKER): Define.
12017 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12018 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12019 GLIBC_DYNAMIC_LINKER64): Define.
12020 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12021 LINUX_DYNAMIC_LINKER64.
12022 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12023 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12024 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12025 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12026 LINUX_DYNAMIC_LINKER): Define.
12027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12028 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12029 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12030 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12031 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12032 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12033 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12034 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12035 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12036 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12038 * doc/invoke.texi (-muclibc): Remove caveat about supported
12041 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12043 * doc/cpp.texi (__TIMESTAMP__): Document.
12045 2006-02-17 Roger Sayle <roger@eyesopen.com>
12047 PR middle-end/25600
12048 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12049 C is one less than the width of X (and related transformations).
12050 * simplify-rtx.c (simplify_unary_operation_1): Transform
12051 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12052 depending on STORE_FLAG_VALUE, were C is one less then the
12055 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12057 Fix PR tree-optimization/26341
12058 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12059 about NAME_MEMORY_TAG's.
12061 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12064 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12065 with hardware float support, and software float support. Add fcpy
12066 alternative to hardware patterns. Add alternatives to copy between
12067 general and floating-point registers to the 32-bit pattern.
12068 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12069 secondary reload to load a QI or HI mode constant into a floating
12071 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12072 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12074 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12077 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12079 (load_macho_picbase_di): Likewise.
12081 2006-02-16 Jeff Law <law@redhat.com>
12083 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12084 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12085 (ssa_name_nonzero_p): Likewise.
12086 (get_value_range): Return NULL if VRP is not running.
12087 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12088 VRP routines do not discover a range.
12089 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12090 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12091 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12092 (tree_expr_nonnegative_p): Similarly.
12093 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12094 (restore_nonzero_vars_to_original_value): Remove.
12095 (unsafe_associative_fp_binop): Remove.
12096 (tree_ssa_dominator_optimize): Remove initialization and
12097 finalization of nonzero_vars and nonzero_vars_stack.
12098 (dom_opt_initialize_block): No longer push marker on
12099 nonzero_vars_stack.
12100 (dom_opt_finalize_block): No longer call
12101 restore_nonzero_vars_to_original_value.
12102 (record_equivalences_from_phis): No longer look for
12103 nonzero PHI arguments.
12104 (cprop_into_successor_phis): No longer propagate nonzero
12105 property into PHI arguments. Lose unused argument. Caller
12107 (record_equivalences_from_stmt): No longer record nonzero
12108 values for SSA_NAMEs.
12109 (lookup_avail_expr): No longer use nonzero_vars.
12111 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12112 for sizetype when sizetype is unsigned.
12114 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12116 PR rtl-optimization/25603
12117 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12118 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12119 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12120 with new meaning of SETS.
12122 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12127 * config/linux.opt: New file.
12128 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12129 LINUX_DYNAMIC_LINKER): Define.
12130 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12131 * config.gcc (*-*-linux*): Define extra_options.
12132 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12133 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12134 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12135 GLIBC_DYNAMIC_LINKER.
12136 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12137 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12138 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12140 * doc/invoke.texi (GNU/Linux Options): New section.
12142 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12144 * config/sparc/sparc.md (setjmp): Rewrite.
12145 (setjmp_32): Delete.
12146 (setjmp_64): Likewise.
12148 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12150 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12153 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12155 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12158 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12160 PR rtl-optimization/26296
12161 * Makefile.in (loop-invariant.c): Add except.h dependency.
12162 * loop-invariant.c: Include except.h.
12163 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12165 2005-02-16 Paul Brook <paul@codesourcery.com>
12167 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12170 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12172 PR rtl-optimization/25636
12173 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12174 when deciding whether an insn is an initializing insn.
12176 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12178 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12179 (tree_code_size): Ditto.
12180 * tree.h (struct tree_memory_tag): Remove parent_var.
12181 (struct tree_struct_field_tag): New.
12184 (union tree_node): Add sft member.
12185 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12187 (create_sft): Add size and offset argument, set SFT_OFFSET and
12189 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12190 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12191 * tree-flow-inline.h (get_subvar_at): Update for
12192 SFT_OFFSET/SFT_SIZE.
12193 (var_can_have_subvars): Ditto.
12194 (overlap_subvar): Ditto.
12195 * print-tree.c (print_node): Print out interesting things for
12197 * tree-flow.h (struct subvar): Remove offset and size members.
12198 * tree-ssa-operands.c (get_expr_operands): Update for
12199 get_indirect_ref_operands changes.
12200 (get_indirect_ref_operands): Call add_virtual_operand instead of
12201 add_stmt_operand. Only recurse on base var if requested.
12202 (access_can_touch_variable): New function.
12203 (add_stmt_operand): Split virtual operand handling into ...
12204 (add_virtual_operand): Here. Add offset, size, and for_clobber
12205 arguments. Prune alias sets.
12206 (add_call_clobber_ops): Call add_virtual_operand.
12208 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12210 PR middle-end/26300
12211 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12213 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12214 than TREE_CODE as index into omp_clause_num_ops array.
12216 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12218 PR rtl-optimization/26184
12219 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12221 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12222 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12223 must_precede, must_follow and tobe_scheduled.
12226 * opts.c (common_handle_option): Free new_option pointer.
12227 * df-core.c (df_analyze): Free postorder pointer.
12229 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12231 * Makefile.in: Fix the examples about the use of stamps
12233 2006-02-15 Michael Matz <matz@suse.de>
12235 PR middle-end/22275
12237 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12238 influenced by maximum_field_alignment or DECL_PACKED.
12239 (update_alignment_for_field): Ditto.
12240 (place_field): Ditto.
12241 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12244 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12246 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12247 (debug_flow_info): Pass it.
12248 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12249 * bb-reorder.c (reorder_basic_blocks): Likewise.
12250 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12251 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12252 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12253 * gcse.c (gcse_main, bypass_jumps): Likewise.
12254 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12255 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12256 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12257 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12258 * rtl.h (dump_flow_info): Adjust prototype.
12259 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12260 * var-tracking.c (variable_tracking_main): Likewise.
12261 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12262 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12265 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12267 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12270 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12272 PR tree-optimization/26209
12273 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12274 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12276 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12278 2006-02-14 Roger Sayle <roger@eyesopen.com>
12280 PR middle-end/23670
12281 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12282 (X,Y) and the corresponding symmetry related transformations.
12283 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12284 (X,Y) and its symmetry related transformations.
12286 2006-02-14 Roger Sayle <roger@eyesopen.com>
12288 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12291 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12293 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12295 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12298 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12299 support COMDAT group.
12300 * configure: Regenerate.
12302 2006-02-14 Roger Sayle <roger@eyesopen.com>
12304 PR middle-end/26279
12305 PR middle-end/26280
12306 PR middle-end/26283
12307 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12309 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12311 Fix PR tree-optimization/26260
12313 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12315 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12316 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12317 * tree-ssa-structalias.c (create_variable_info_for): Use
12318 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12320 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12322 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12324 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12325 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12326 of the ending condition.
12327 * tree-ssa-loop-manip.c: Include params.h.
12328 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12329 tree_unroll_loop): New functions.
12330 * tree-pass.h (pass_loop_prefetch): Declare.
12331 * loop.c (rest_of_handle_loop_optimize): Test for
12332 -fprefetch-loop-arrays-rtl.
12333 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12334 * timevar.def (TV_TREE_PREFETCH): New timevar.
12335 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12336 pass_loop_prefetch): New.
12337 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12338 (cleanup_tree_cfg_loop): Call scev_reset.
12339 * common.opt (fprefetch-loop-arrays-rtl): Add.
12340 * tree-ssa-loop-prefetch.c: New file.
12341 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12342 (new_temp_expr_table): Initialize expr_vars.
12343 (free_temp_expr_table): Cleanup expr_vars.
12344 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12345 expressions from being merged into one.
12346 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12347 (struct tree_niter_desc): Add control, bound and cmp fields.
12348 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12350 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12351 (tree-cfgcleanup.o): Add SCEV_H dependency.
12352 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12353 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12355 2006-02-14 Richard Guenther <rguenther@suse.de>
12357 PR tree-optimization/26258
12358 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12359 in PHI argument processing.
12361 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12363 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12364 new expression in the requested machine mode.
12366 2006-02-13 Roger Sayle <roger@eyesopen.com>
12368 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12369 directly, instead let do_compare_rtx_and_jump handle this for us.
12370 * expr.c (expand_expr_real_1): Likewise.
12371 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12372 before do_jump_by_parts_greater.
12373 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12374 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12376 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12378 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12380 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12382 PR rtl-optimization/26235
12383 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12384 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12387 2006-02-13 Jeff Law <law@redhat.com>
12389 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12392 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12394 PR middle-end/26092
12395 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12396 twice if decl is a builtin. When trying again, call get_callee_fndecl
12397 first to verify it is still a builtin.
12399 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12401 * dwarf2out.c (base_type_die): Don't add AT_name here.
12402 (subrange_type_die): Don't add AT_name here.
12403 (modified_type_die): Rearrange code flow. Do add AT_name here.
12405 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12407 PR rtl-optimization/26247
12408 PR rtl-optimization/26248
12409 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12411 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12413 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12414 * config/fixtfdi.c: Likewise.
12415 * config/fixunstfdi.c: Likewise.
12416 * config/floatditf.c: Likewise.
12418 2006-02-13 Roger Sayle <roger@eyesopen.com>
12420 PR middle-end/24427
12421 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12422 into (X,C2) if C1 is a subset of the bits of C2. Transform
12423 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12425 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12427 2006-02-13 Josh Conner <jconner@apple.com>
12430 * varasm.c (function_section): Check for section name before
12431 calling select_section on targets that define
12432 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12433 unlikely_text_section instead of hot_function_section if
12434 first_function_block_is_cold.
12436 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12438 PR middle-end/25335
12439 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12441 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12443 PR rtl-optimization/26222
12444 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12445 after tree->rtl expansion.
12446 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12447 before passing it to emit_move_insn.
12449 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12451 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12453 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12454 Clarify documentation.
12455 * c-common.h (warn_write_strings): Remove.
12456 * c-common.c (warn_write_strings): Likewise.
12457 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12460 2006-02-12 Roger Sayle <roger@eyesopen.com>
12462 PR middle-end/25724
12463 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12464 (do_jump_parts_zero_rtx): New function renamed from
12465 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12466 (do_jump_parts_equality_rtx): New function split out from
12467 do_jump_parts_equality. Old implementation renamed as above.
12468 Call do_jump_parts_zero_rtx if either operand is zero.
12469 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12470 do all of the heavy lifting.
12471 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12472 calling either do_jump_by_parts_greater_rtx or
12473 do_jump_by_parts_equality_rtx.
12474 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12475 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12476 moved to do_compare_rtx_and_jump, call it directly.
12477 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12478 mode argument. Call do_compare_rtx_and_jump.
12479 (emit_case_nodes): Update calls to do_jump_if_equal.
12481 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12483 PR rtl-optimization/26225
12484 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12486 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12488 PR rtl-optimization/26232
12489 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12491 2006-02-11 Jason Merrill <jason@redhat.com>
12494 * tree-inline.c (declare_return_variable): Just don't use the
12495 modify target if it's a gimple complex reg and the return slot
12498 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12500 * doc/contrib.texi: Update my entry.
12502 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12504 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12506 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12508 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12511 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12513 * doc/invoke.texi (-floop-optimize2): Removed.
12514 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12515 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12516 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12517 * common.opt (floop-optimize2): Removed.
12518 (fmove-loop-invariants): Enabled by default.
12520 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12522 * tree-if-conv.c (combine_blocks): Free the result of
12523 get_loop_exit_edges.
12525 2006-02-10 Jeff Law <law@redhat.com>
12527 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12529 PR tree-optimization/26213
12530 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12531 loop trying to follow SSA_NAME_VALUE chains.
12533 2006-02-10 Richard Guenther <rguenther@suse.de>
12535 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12536 deal with structures that end in implicitly variable sized arrays.
12538 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12540 PR rtl-optimization/24762
12541 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12544 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12546 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12547 (struct ivopts_data): Add regs_used field.
12548 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12549 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12550 instead of loop_data->regs_used;
12551 (free_loop_data): Do not free aux fields for loops.
12552 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12553 and tree_ssa_iv_optimize_finalize.
12555 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12557 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12559 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12562 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12563 computing the effective result type.
12565 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12567 PR inline-asm/16194
12568 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12569 (tree_overlaps_hard_reg_set): Declare.
12570 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12571 type and signature to match function type expected by walk_tree.
12572 (tree_overlaps_hard_reg_set): New function.
12573 (decl_conflicts_with_clobbers_p): Rename to:
12574 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12575 Use tree_overlaps_hard_reg_set. Changed caller.
12576 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12577 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12578 * cris.c (cris_md_asm_clobbers): Likewise.
12580 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12582 * reload1.c (emit_input_reload_insns): Delete code that tries to
12583 inherit using find_equiv_reg.
12585 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12587 * c-common.h (flag_const_strings): Don't declare.
12588 * c-common.c (flag_const_strings): Remove.
12589 * c.opt (fconst_strings): Remove.
12590 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12591 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12592 (c_common_init_options): Don't set flag_const_strings.
12593 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12595 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12597 * arm.md (tlobits_cbranch): New pattern.
12598 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12599 testing a single bit.
12601 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12604 * tree-ssa-pre.c (create_component_ref_by_pieces):
12605 Handle RETURN_DECL like VAR_DECL.
12607 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12609 PR middle-end/26134
12610 * fold-const.c (fold_indirect_ref_1): Fold
12611 "*(foo *)&complexfoo" to "__real__ complexfoo"
12612 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12614 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12616 * tree-flow-inline.h (var_can_have_subvars):
12617 Volatile variables should not have subvariables.
12619 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12622 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12623 multiplying unsigned values.
12626 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12628 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12630 2006-02-08 Jason Merrill <jason@redhat.com>
12633 * tree.def: Elaborate on difference from MODIFY_EXPR.
12634 * doc/c-tree.texi (INIT_EXPR): Likewise.
12635 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12636 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12637 (gimplify_target_expr): Likewise.
12638 (gimplify_cond_expr): Remove target handling.
12639 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12640 (gimplify_expr): Clobber it here.
12641 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12642 Do return slot optimization if we have an INIT_EXPR.
12645 * tree-inline.c (declare_return_variable): Also clear
12646 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12649 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12651 PR middle-end/22439
12652 * gimplify.c (gimplify_one_sizepos): Fix typo.
12654 2006-02-08 Jeff Law <law@redhat.com>
12656 PR tree-optimization/21417
12657 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12658 across a backedge if the control statement at the end of the
12659 block is data dependent on other statements in the same block.
12660 (record_temporary_equivalences_from_stmts): Remove over-conservative
12661 test for threading across backedges.
12663 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12664 control statement, handle all three special cases in the same
12665 manner as they all have the same desired solution. No longer
12666 special case edge flag updating when the post dominator is
12669 2006-02-08 Roger Sayle <roger@eyesopen.com>
12671 * tree.def (CHAR_TYPE): Remove.
12672 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12673 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12674 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12675 (gen_string_type_die): Delete unreachable function.
12677 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12678 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12679 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12680 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12681 * builtins.c (type_to_class): Likewise.
12682 * fold-const.c (fold_convert, build_range_check,
12683 merge_ranges): Likewise.
12684 * expr.c (count_type_elements): Likewise.
12685 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12686 * stor-layout.c (layout_type): Likewise.
12687 * ipa-type-escape.c (type_to_consider): Likewise.
12688 * gimplify.c (omp_firstprivatize_type_sizes,
12689 gimplify_type_sizes): Likewise.
12690 * explow.c (promote_mode): Likewise.
12691 * tree-sra.c (is_sra_scalar_type): Likewise.
12692 * varasm.c (output_constant): Likewise.
12693 * tree-inline.c (remap_type_1): Likewise.
12694 * convert.c (convert_to_pointer, convert_to_real,
12695 convert_to_integer, convert_to_complex): Likewise.
12697 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12699 * df-scan.c (df_def_record_1): A set destination may
12700 be a parallel regardless of mode.
12702 2006-02-08 Roger Sayle <roger@eyesopen.com>
12705 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12706 * config/mips/_tilib.c: Remove.
12707 * config/fixtfdi.c: New libgcc source file.
12708 * config/fixunstfdi.c: New source file.
12709 * config/floatditf.c: New source file.
12710 * config/floatunditf.c: New souce file.
12711 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12712 files above instead of config/mips/_tilib.c.
12713 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12715 2006-02-08 Jeff Law <law@redhat.com>
12717 PR tree-optimization/26169
12718 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12721 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12723 * df.h (DF_REG_SIZE): Return the length of the initialized
12726 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12728 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12729 __muldf3): Return a correctly signed zero.
12731 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12733 * passes.c (register_one_dump_file): Accept the current properties
12734 instead of pass number. Adjust call to dump_register. Remove
12736 (register_dump_files): Now a wrapper around...
12737 (register_dump_files_1): ... this one. Do not modify the pass
12739 (next_pass_1): Cosmetic fix.
12740 (execute_todo): Keep second parameter only. Use curr_properties
12741 instead of fetching it from the pass structure. Check and set
12743 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12744 instead of fetching it from the pass structure. Fix calls to
12745 execute_todo. Update curr_properties and initialize .vcg RTL dump
12746 after running the pass. Reset last_verified.
12747 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12749 (FIRST_AUTO_NUMBERED_DUMP): New.
12750 (dump_register): Remove "num" parameter, assign it within the
12752 (get_dump_file_name): Modify template for dumps.
12753 * tree-dump.h (dump_register): Adjust prototype.
12754 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12755 (PROP_trees): Add PROP_gimple_lomp.
12756 (TODO_set_props): New.
12757 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12758 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12759 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12761 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12763 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12764 (sparc64-*-linux*): Likewise.
12765 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12766 * config/sparc/t-linux: New file.
12767 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12768 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12769 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12770 -m32 -mlong-double-128.
12772 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12773 * config/alpha/t-linux: New file.
12774 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12776 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12777 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12778 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12779 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12780 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12781 (CPP_ARCH32_SPEC): Remove.
12783 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12785 PR tree-optimization/26145
12786 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12789 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12792 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12793 >= 240000 when generating code for SOM runtime.
12794 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12795 to $$dyncall when generating code for SOM runtime..
12797 2006-02-07 Dirk Mueller <dmueller@suse.com>
12800 * doc/invoke.texi (-Wsequence-point): Update documentation
12801 that -Wsequence-point is implemented for C++ as well.
12803 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12805 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12806 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12807 (LIB_SPEC): Likewise.
12808 * doc/invoke.texi (SPARC options): Document -pthread.
12810 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12812 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12815 2006-02-07 Roger Sayle <roger@eyesopen.com>
12817 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12818 Correct comment describing BOOLEAN_TYPE.
12820 2006-02-07 Dirk Mueller <dmueller@suse.com>
12822 * c.opt: C++ frontend supports -Wdiv-by-zero.
12823 * c-opts.c (c_common_handle_option): Remove dead case.
12825 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12827 * configure.ac (TLS assembler check): Do not enable TLS by
12828 default on SPARC/Solaris before version 10.
12829 * configure: Regenerate.
12831 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12833 * doc/invoke.texi (xl-compat): Document conversion and support
12836 2006-02-07 Jeff Law <law@redhat.com>
12838 * tree-vrp.c (find_conditional_asserts): Update comments.
12839 (simplify_stmt_for_jump_threading): New.
12840 (identify_jump_threads, finalize_jump_threads): New.
12841 (vrp_finalize): Call identify_jump_threads.
12842 (execute_vrp): Call finalize_jump_threads.
12843 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12844 (vrp_element, vrp_data, vrp_element_p): Remove.
12845 (vrp_hash_elt, vrp_variables_stack): Remove.
12846 (vrp_hash, vrp_eq, record_range): Remove.
12847 (simplify_cond_and_lookup_avail_expr): Remove.
12848 (extract_range_from_cond): Remove.
12849 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12850 (simplify_stmt_for_jump_threading): New.
12851 (dom_thread_across_edge): New wrapper.
12852 (tree_ssa_dominator_optimize): No longer initialize or
12853 finalize any of the VRP datastructures. Remove iteration
12854 step and simplify as a result of removal of iteration step.
12855 (pass_dominator): Perform a cfg cleanup after DOM.
12856 (dom_opt_finalize_block): Use the new common routines
12857 for threading jumps. Simplify stack management slightly.
12858 No longer need to unwind VRP state.
12859 (record_equivalences_from_incoming_edge): No longer record
12861 (eliminate_redundant_computations): No longer call
12862 simplify_cond_and_lookup_avail_expr.
12863 * tree-flow.h (potentially_threadable_block): Prototype.
12864 (thread_across_edge): Likewise.
12865 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12866 (tree-ssa-threadedge.o): Add dependencies.
12867 * tree-ssa-threadedge.c: New file.
12868 * passes.c (init_optimization_passes): Merge PHIs before
12869 calling VRP. Run VRP again late in the SSA optimization pipeline.
12871 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12873 * df-core.c (df_set_blocks): Do not dereference function pointers.
12874 (df_finish1): Likewise.
12875 (df_hybrid_search_forward): Likewise.
12876 (df_hybrid_search_backward): Likewise.
12877 (df_iterative_dataflow): Likewise.
12878 (df_analyze_problem): Likewise.
12879 (df_compact_blocks): Likewise.
12880 (df_dump): Likewise.
12881 * df-scan.c (df_rescan_blocks): Likewise.
12882 (df_record_entry_block_defs): Likewise.
12884 * genconditions.c (write_conditions): Guard the definition of
12885 'insn_conditions' with the check on GCC version.
12886 (write_writer): Guard the traversal 'insn_conditions' with
12887 the check on GCC version.
12889 2006-02-07 Richard Guenther <rguenther@suse.de>
12893 2006-01-30 Richard Guenther <rguenther@suse.de>
12895 * gimplify.c (gimplify_target_expr): Handle easy cases
12896 without creating a temporary.
12898 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12900 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12901 use of float in probability computations. Use edge probabilities
12902 in place of statically computed probabilities.
12903 (min_spec_prob): New static variable.
12904 (schedule_insns): Initialize it.
12905 (GET_SRC_PROB): Removed.
12906 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12908 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12911 * config/ia64/unwind-ia64.c: Revert last change.
12912 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12913 (INCOMING_FRAME_SP_OFFSET): Define.
12915 2006-02-06 Roger Sayle <roger@eyesopen.com>
12917 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12919 2006-02-07 Ben Elliston <bje@au.ibm.com>
12921 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12922 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12923 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12924 (ix86_return_in_memory): Handle TDmode.
12925 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12926 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12928 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12930 * reorg.c (dbr_schedule): Use dump_file instead of file.
12932 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12935 * config/ia64/predicates.md (extr_len_operand): New predicate.
12936 * config/ia64/ia64.md (extv): Tighten constraints.
12938 (*tbit_and_2): Ditto.
12939 (*tbit_and_3): Ditto.
12940 (*tbit_or_2): Ditto.
12941 (*tbit_or_3): Ditto.
12942 (*bit_zero): Ditto.
12945 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12948 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12950 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12952 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12953 loop_optimizer_init and loop_optimizer_finalize
12954 * tree-ssa-sink.c (execute_sink_code): Ditto.
12955 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12956 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12957 tree_ssa_loop_done): Ditto.
12958 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12959 * sched-ebb.c: Include output.h.
12960 (schedule_ebbs): Do not use dump argument.
12961 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12962 * loop.c (loop_dump_stream): Removed.
12963 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12965 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12966 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12967 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12968 loop_iterations, strength_reduce, record_biv, record_giv,
12969 final_giv_value, check_final_value, check_ext_dependent_givs,
12970 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12971 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12972 dump_file instead of loop_dump_stream.
12973 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12974 argument dump_file.
12975 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12977 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12978 * haifa-sched.c: Include output.h
12979 (schedule_insns, sched_init): Do not use dump argument.
12980 * mode-switching.c (optimize_mode_switching): Ditto.
12981 * modulo-sched.c (stats_file): Removed.
12982 (print_node_sched_params): Do not call argument dump_file.
12983 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12984 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12986 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12988 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12989 rtl_loop_init, rtl_loop_done): Ditto.
12990 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12991 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12993 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12994 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12995 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12996 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12997 * emit-rtl.c (renumber_insns): Ditto.
12998 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12999 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13000 * regclass.c (regclass): Ditto.
13001 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13002 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13003 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13004 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13006 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13007 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13009 * gcse.c (gcse_file, debug_stderr): Removed.
13010 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13011 rest_of_handle_gcse): Do not use dump argument.
13012 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13013 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13014 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13015 compute_code_hoist_vbeinout, compute_code_hoist_data,
13016 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13017 compute_store_table, build_store_vectors, insert_insn_start_bb,
13018 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13019 store_motion): Use dump_file instead of gcse_file.
13020 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13021 * profile.c (profile_dump_file): Removed.
13022 (branch_prob): Use dump_file instead of profile_dump_file.
13023 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13025 * tree-ssa-copy.c (dump_copy_of): Ditto.
13026 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13027 dump file to life_analysis.
13028 * bt-load.c (branch_target_load_optimize): Ditto.
13029 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13031 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13032 regclass, dbr_schedule): Declaration changed.
13033 * sched-int.h (sched_init): Declaration changed.
13034 * tree-profile.c (tree_profile_dump_file): Removed.
13035 (tree_profile_hooks): Removed profile_dump_file hook.
13036 * rtl-profile (rtl_profile_dump_file): Removed.
13037 (rtl_profile_hooks): emoved profile_dump_file hook.
13038 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13040 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13041 * tree-cfg.c (build_tree_cfg): Ditto.
13042 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13043 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13044 Declaration changed.
13045 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13046 life_analysis and schedule_insns.
13047 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13049 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13051 * config/mips/mips.c (mips_reorg): Ditto.
13052 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13055 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13057 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13058 (s390_mangle_fundamental_type): New.
13059 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13062 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13063 (alpha_mangle_fundamental_type): New.
13064 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13067 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13069 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13071 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13072 (sparc_mangle_fundamental_type): New.
13074 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13076 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13077 (s390x-*-linux*): Likewise.
13078 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13079 * config/s390/t-linux: New file.
13081 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13083 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13084 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13086 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13088 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13089 (ANTIC_SAFE_LOADS): New macro.
13090 (find_or_generate_expression): Add prototype.
13091 (set_contains_value): Allow null set for sake of not always having
13092 to allocate ANTIC_SAFE_LOADS.
13093 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13094 Allow COMPONENT_REF too.
13095 (valid_in_set): Allow COMPONENT_REF.
13096 Check ANTIC_SAFE_LOADS too.
13097 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13098 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13100 (can_PRE_operation): Add COMPONENT_REF.
13101 (create_component_ref_by_pieces): New function.
13102 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13103 (insert_aux): Move AGGREGATE_TYPE_P check here.
13104 (compute_avail): Set bb local stmt uids.
13105 (pass_pre): Use TODO_update_ssa_only_virtuals.
13107 2006-02-06 Ben Elliston <bje@au.ibm.com>
13109 * configure.ac: Unconditionally disable decimal float by default.
13110 * configure: Regenerate.
13112 2006-02-06 Ben Elliston <bje@au.ibm.com>
13114 * read-rtl.c (read_name): Terminate reading on EOF.
13116 2006-02-06 Ben Elliston <bje@au.ibm.com>
13118 * dfp.c (decimal_real_arithmetic): Change second argument type
13119 from int to enum tree_code. Do not always return true, but now
13120 return result of any call to decimal_do helper functions.
13121 * dfp.h (decimal_real_arithmetic): Update prototype.
13123 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13125 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13127 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13130 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13133 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13135 * tree-vrp.c (cfg_loops): Removed.
13136 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13137 Use current_loops instead of cfg_loops. Pass flags to
13138 loop_optimizer_init.
13139 * cfgloopmanip.c (fix_loop_structure): Update only available
13141 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13142 loop_optimizer_init.
13143 * modulo-sched.c (build_loops_structure): Removed.
13144 (sms_schedule): Use loop_optimizer_init.
13145 * loop-init.c (loop_optimizer_init): Use flags to determine
13146 which properties of loops to prepare.
13147 (rtl_loop_init): Pass flags to loop_optimizer_init.
13148 * tree-ssa-sink.c (execute_sink_code): Ditto.
13149 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13150 * tree-ssa-pre.c (init_pre): Ditto.
13151 * cfgloop.h (LOOPS_NORMAL): New.
13152 (loop_optimizer_init): Declaration changed.
13154 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13156 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13157 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13159 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13161 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13163 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13164 * pa/t-pa64: Delete quadlib.c rule.
13165 * pa/x-ada: Revert last change.
13166 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13168 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13170 PR rtl-optimization/26087
13171 * rtlanal.c (canonicalize_condition): Do not cross basic block
13174 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13177 * config/ia64/ia64.c: Include debug.h.
13178 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13179 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13180 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13181 (process_epilogue, process_set, process_for_unwind_directive):
13182 Output unwind info only if requested. Add CFA info if requested.
13183 Add new arguments as needed. Adjust callers.
13184 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13186 (DWARF2_FRAME_INFO): Define to zero.
13187 * config/ia64/unwind-ia64.c: Remove code that compensated for
13188 the CFA offset error fixed above.
13189 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13190 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13191 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13192 -funwind-tables and -fexceptions to enable frame info.
13193 (dwarf2out_frame_init): Define initial CFA even if
13194 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13195 DWARF2_UNWIND_INFO is nonzero, not just defined.
13196 (dwarf2out_frame_finish): Output non-EH call frame info only
13197 if DWARF2_FRAME_INFO is nonzero.
13198 (convert_cfa_to_loc_list,
13199 compute_frame_pointer_to_cfa_displacement): Define even if
13200 unwind info is not supported.
13201 (gen_subprogram_die): Use the above unconditionally. Remove
13202 legacy alternate code.
13203 * toplev.c (compile_file): Compile in call to
13204 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13205 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13207 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13208 Jakub Jelinek <jakub@redhat.com>
13210 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13211 IBM extended float format long double as "g" on powerpc*-linux.
13213 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13216 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13217 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13219 2006-02-03 Jason Merrill <jason@redhat.com>
13222 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13224 PR middle-end/25977
13225 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13226 on the return slot if it's an NRV.
13228 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13230 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13231 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13232 rewrite_use): Do not handle USE_OUTER.
13233 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13234 add_iv_outer_candidates, may_replace_final_value,
13235 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13236 (find_interesting_uses_op): Functionality of
13237 find_interesting_uses_outer_or_nonlin moved here.
13238 (find_interesting_uses_outside): Use find_interesting_uses_op.
13240 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13243 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13245 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13246 Ulrich Weigand <uweigand@de.ibm.com>
13249 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13250 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13251 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13252 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13254 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13255 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13256 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13257 Define secondary reloads for TFmode moves.
13258 (constant_modes): Add TFmode.
13259 (NR_C_MODES): Set to 8.
13260 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13262 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13263 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13264 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13265 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13266 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13267 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13268 (FPR mode macro): Add TFmode.
13269 (DSF mode macro): New.
13270 (<de>, <dee> mode attributes): Removed.
13271 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13272 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13273 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13274 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13275 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13276 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13277 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13278 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13279 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13280 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13281 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13282 "*negabs<mode>2", "sqrt<mode>2"):
13283 Changed <de> to <xde>. R constraint replaced by <Rf>.
13284 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13286 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13287 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13288 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13290 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13291 "extenddftf2", "extendsftf2"): New expanders.
13292 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13293 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13294 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13295 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13297 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13298 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13299 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13300 __floatditf): Add a GCC_4.1.0 symbol version tag.
13301 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13304 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13307 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13308 Use targetm.binds_local_p instead of TREE_PUBLIC.
13310 2006-02-02 Roger Sayle <roger@eyesopen.com>
13312 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13313 on INTEGER_TYPEs to indicate that it denotes a character type.
13314 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13315 signed_char_type_node, unsigned_char_type_node and char_type_node.
13316 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13317 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13318 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13320 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13321 Daniel Berlin <dberlin@dberlin.org>
13323 * tree-tailcall.c (arg_needs_copy_p): New function.
13324 (eliminate_tail_call): Use arg_needs_copy_p.
13325 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13326 (add_virtual_phis): New function.
13328 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13330 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13331 #ignore instead of #scratch for %g7 .register directive.
13333 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13335 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13338 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13340 * flow.c (calculate_global_regs_live): Assert that there aren't any
13343 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13345 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13346 what its name says.
13347 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13348 bsi_after_labels iterator.
13349 * tree-if-conv.c (find_phi_replacement_condition,
13350 replace_phi_with_cond_modify_expr): Likewise.
13351 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13352 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13354 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13356 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13358 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13361 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13362 array after growing it.
13364 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13366 PR middle-end/24901
13367 * fold-const.c (fold_checksum_tree): Change type of buf.
13369 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13371 * reload.c (push_secondary_reload): Initialize t_icode.
13373 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13375 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13376 -msoft-float -mlong-double-128 only issue a warning, but don't
13377 swich to DFmode long double.
13379 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13381 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13382 has a constant equivalent, iterate over equivalents for arg0,
13383 calling simplify_relational_operation and if there's a result
13384 cheaper than X, apply fold_rtx and return the result.
13386 2006-02-01 Jan Hubicka <jh@suse.cz>
13388 * opts.c (no_unit_at_a_time_default): New global variable.
13389 (decode_options): Use it.
13390 * opts.h (no_unit_at_a_time_default): Declare.
13392 2006-02-01 Paul Brook <paul@codesourcery.com>
13394 * function.c (assign_parm_setup_reg): Use function argument promotion
13396 * expr.c (expand_expr_real_1): Use function argument promotion rules
13399 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13401 * gcc.c (process_command): Change j to 'unsigned int'.
13403 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13405 PR middle-end/26001
13406 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13407 Use the corrected index for the character
13408 out of the string constant.
13410 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13412 * mode-switching.c (optimize_mode_switching): Fix size
13413 allocated for bb_info[n_entities].
13415 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13417 * gcc.c (main): Correct type that is allocated for
13418 explicit_link_files.
13420 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13422 * config/s390/s390.c (init_alignment_context): Set
13423 ALIAS_SET_MEMORY_BARRIER on the MEM.
13424 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13426 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13428 PR middle-end/25933
13429 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13431 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13434 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13436 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13437 * regrename.c: Ditto.
13438 * tree-ssa-loop-im.c: Ditto.
13439 * tree-dump.c: Ditto.
13440 * tree-complex.c: Ditto.
13441 * genrecog.c: Ditto.
13442 * tree-ssa-threadupdate.c: Ditto.
13444 * java/class.c: Ditto.
13445 * java/jcf-parse.c: Ditto.
13446 * java/resource.c: Ditto.
13447 * java/except.c: Ditto.
13448 * java/jvspec.c: Ditto.
13449 * java/jcf-write.c: Ditto.
13450 * java/jcf-path.c: Ditto.
13451 * java/gjavah.c: Ditto.
13452 * java/zextract.c: Ditto.
13453 * java/jcf-io.c: Ditto.
13454 * java/jcf.h: Ditto.
13455 * java/buffer.c: Ditto.
13456 * java/lang.c: Ditto.
13457 * java/parse-scan.y: Ditto.
13458 * java/lex.c: Ditto.
13459 * java/lex.h: Ditto.
13460 * cfgloopmanip.c: Ditto.
13461 * postreload-gcse.c: Ditto.
13462 * tree-ssa-loop-manip.c: Ditto.
13463 * postreload.c: Ditto.
13464 * tree-ssa-loop-ch.c: Ditto.
13467 * cppspec.c: Ditto.
13468 * diagnostic.c: Ditto.
13470 * genoutput.c: Ditto.
13472 * cfghooks.c: Ditto.
13473 * cfgloopanal.c: Ditto.
13474 * objc/objc-act.c: Ditto.
13476 * genextract.c: Ditto.
13477 * genautomata.c: Ditto.
13478 * pretty-print.c: Ditto.
13479 * genemit.c: Ditto.
13480 * cgraphunit.c: Ditto.
13482 * df-scan.c: Ditto.
13483 * haifa-sched.c: Ditto.
13484 * dominance.c: Ditto.
13486 * tree-ssa-loop-ivopts.c: Ditto.
13487 * df-core.c: Ditto.
13488 * mode-switching.c: Ditto.
13489 * modulo-sched.c: Ditto.
13491 * ipa-pure-const.c: Ditto.
13493 * fix-header.c: Ditto.
13495 * tree-stdarg.c: Ditto.
13496 * ipa-utils.c: Ditto.
13497 * loop-init.c: Ditto.
13498 * ipa-inline.c: Ditto.
13499 * cfganal.c: Ditto.
13501 * alloc-pool.c: Ditto.
13502 * dwarf2out.c: Ditto.
13504 * genattrtab.c: Ditto.
13505 * tree-ssa-loop-ivcanon.c: Ditto.
13506 * predict.c: Ditto.
13507 * timevar.c: Ditto.
13509 * fortran/gfortranspec.c: Ditto.
13510 * regmove.c: Ditto.
13511 * local-alloc.c: Ditto.
13512 * langhooks.c: Ditto.
13513 * function.c: Ditto.
13514 * tree-vectorizer.c: Ditto.
13516 * ipa-type-escape.c: Ditto.
13518 * tree-if-conv.c: Ditto.
13519 * profile.c: Ditto.
13521 * tree-data-ref.c: Ditto.
13522 * loop-unroll.c: Ditto.
13523 * treelang/treetree.c: Ditto.
13525 * bt-load.c: Ditto.
13526 * ggc-common.c: Ditto.
13528 * coverage.c: Ditto.
13530 * tree-cfgcleanup.c: Ditto.
13531 * tree-ssa-pre.c: Ditto.
13532 * cfgcleanup.c: Ditto.
13533 * loop-invariant.c: Ditto.
13534 * loop-iv.c: Ditto.
13535 * ipa-prop.c: Ditto.
13536 * print-tree.c: Ditto.
13537 * conflict.c: Ditto.
13538 * ggc-page.c: Ditto.
13539 * sched-deps.c: Ditto.
13540 * regclass.c: Ditto.
13541 * tree-object-size.c: Ditto.
13542 * combine.c: Ditto.
13543 * bb-reorder.c: Ditto.
13544 * resource.c: Ditto.
13545 * var-tracking.c: Ditto.
13546 * cfgloop.c: Ditto.
13547 * df-problems.c: Ditto.
13548 * reg-stack.c: Ditto.
13550 * gccspec.c: Ditto.
13551 * sched-rgn.c: Ditto.
13552 * tree-ssa-structalias.c: Ditto.
13553 * tree-ssa-reassoc.c: Ditto.
13554 * config/darwin-c.c: Ditto.
13555 * config/darwin.c: Ditto.
13556 * config/arm/arm.c: Ditto.
13558 * collect2.c: Ditto.
13559 * reload1.c: Ditto.
13561 2006-01-31 Nicolas Pitre <nico@cam.org>
13563 * arm.md (smaxsi3): Make aware of smax_m1.
13566 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13568 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13570 2006-01-31 Richard Guenther <rguenther@suse.de>
13572 * doc/invoke.texi (-msselibm): Document.
13573 * target.h (expand_library_builtin): New target hook.
13574 * builtins.c (expand_builtin): Use expand_library_builtin.
13575 (default_expand_library_builtin): New function.
13576 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13577 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13578 (link_gcc_math_spec): Declare.
13579 (static_specs): Add link_gcc_math_spec.
13580 * expr.h (default_expand_library_builtin): Declare.
13581 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13582 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13583 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13584 * config/i386/i386.opt (msselibm): New target option.
13585 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13586 (ix86_init_sse_abi_builtins): New function.
13587 (ix86_expand_library_builtin): Likewise.
13588 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13589 (override_options): Handle error conditions wrt -msselibm.
13590 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13591 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13592 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13595 2006-01-31 Richard Guenther <rguenther@suse.de>
13596 Paolo Bonzini <bonzini@gnu.org>
13598 * doc/install.texi (--disable-libgcc-math): Document.
13600 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13602 * expr.h (expand_normal): new inline function.
13603 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13604 * dojump.c: use it.
13605 * dwarf2out.c: use it.
13608 * expmed.c: use it.
13609 * except.c: use it.
13610 * config/sparc/sparc.c: use it.
13611 * config/i386/i386.c: use it.
13612 * config/rs6000/rs6000.c: use it.
13613 * config/arm/arm.c: use it.
13614 * config/mips/mips.c: use it.
13615 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13617 2006-01-30 Roger Sayle <roger@eyesopen.com>
13619 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13620 argv to the appropriate type.
13622 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13624 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13627 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13630 * config/s390/s390.c (struct machine_function): New flag
13631 decomposed_literal_pool_addresses_ok_p.
13632 (s390_reorg): Set it before final stage of literal pool transforms.
13633 (s390_decompose_address): Only accept displacements of the form
13634 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13636 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13638 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13639 the comparison routine return.
13641 2006-01-30 Michael Matz <matz@suse.de>
13643 * global.c (find_reg): Only evict for global regs.
13644 Take n_refs into account and dump more info.
13646 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13649 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13650 (pragma_trap, pragma_nosave_low_regs): Likewise.
13651 (current_function_anonymous_args): Likewise.
13652 (sh_deferred_function_attributes): New variable.
13653 (sh_deferred_function_attributes_tail): Likewise.
13654 (print_operand): For '@', look up trap_exit attribute.
13655 (calc_live_regs): Look up trapa_handler attribute. For trapa
13656 handlers, save/restore fpscr, but don't do any other
13657 interrupt-specific saves.
13658 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13659 Fix check for partially saved registers to check for SHmedia.
13660 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13661 (sh_output_function_epilogue): Don't clear any of the removed
13663 (sh_insert_attributes): Don't check pragma_interrupt.
13664 Insert deferred attributes. Check that interrupt attribute is
13665 present for other attributes that require its presence.
13666 (sh_attribute_table): Add new attributes trapa_handler and
13668 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13669 Don't check for pragma_interrupt. Don't store argument.
13670 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13671 (sh_deferred_function_attributes): Declare.
13672 (sh_deferred_function_attributes_tail): Likewise.
13673 * sh.md (sp_switch_1): Add operand. Change generator caller.
13674 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13675 (*return_i): Don't use when trap_exit attribute is in effect.
13676 (*return_trapa): New insn pattern.
13677 * sh-c.c: New file.
13678 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13679 setting c_target_objs and cxx_target_objs.
13680 * t-sh: Add rule for sh-c.o.
13682 2006-01-30 Richard Guenther <rguenther@suse.de>
13685 * gimplify.c (gimplify_target_expr): Handle easy cases
13686 without creating a temporary.
13688 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13690 * vec.h (safe_grow): Remove duplicated line.
13692 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13695 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13696 (expand_omp): ... here.
13697 (expand_omp_parallel): Only remove barriers for combined
13698 parallel+workshare constructs.
13700 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13704 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13705 * tree.c (build_qualified_type): Chain the new type to the original
13706 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13707 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13708 (build_pointer_type_for_mode): Only return unqualified types.
13709 (build_reference_type_for_mode): Likewise.
13711 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13713 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13714 * Makefile.in (CXX_COMPAT_WARN): Define.
13715 * configure: Regenerate.
13717 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13720 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13723 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13725 * toplev.c: Fix thinko.
13727 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13728 Marcin Dalecki <martin@dalecki.de>
13730 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13731 (push_srcloc): Use XNEW.
13732 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13734 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13736 * df-core.c (df_set_blocks): Deleted all variable.
13738 2006-01-28 Ian Lance Taylor <ian@airs.com>
13740 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13741 cgraph_output_pending_asms.
13743 2006-01-28 Zack Weinberg <zackw@panix.com>
13745 * c.opt: Add -W(no-)overlength-strings.
13746 * doc/invoke.texi: Document it.
13747 * c-opts.c (c_common_handle_option): -pedantic implies
13748 -Woverlength-strings, if not explicitly disabled already.
13749 (c_common_post_options): -Woverlength-strings defaults to off, and
13750 is always off for C++.
13751 * c-common.c (fix_string_type): Issue warning about strings longer
13752 than is portable only if warn_overlength_strings. Rearrange code
13753 a little for clarity.
13754 * configure.in: Check for -Wno-overlength-strings as well before
13755 enabling -pedantic in stage 1.
13756 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13757 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13759 * genconditions.c (write_header, write_one_condition)
13760 (write_conditions, write_writer): Consolidate very long strings
13761 that were broken up to fit in C89 portable limit. Don't use
13762 printf when fputs will do.
13764 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13766 * combine.c (simplify_comparison <AND>): Check
13767 TRULY_NOOP_TRUNCATION before start using a subreg.
13769 * config/mips/mips.md (*branch_zero<mode>,
13770 *branch_zero<mode>_inverted, *branch_equality<mode>,
13771 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13772 Remove mode check from comparisons.
13774 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13776 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13778 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13780 * expmed.c (const_mult_add_overflow_p): Remove.
13781 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13783 * recog.c (validate_replace_rtx_subexp): Remove.
13784 * recog.h: Remove the prototype for
13785 validate_replace_rtx_subexp.
13787 * integrate.h: Remove the prototype for
13788 copy_decl_for_inlining.
13789 * rtl.h: Remove the prototype for mark_constant_function.
13790 * tree-vectorizer.h: Remove the prototype for
13791 vect_strip_conversion.
13793 * modulo-sched.c (create_partial_schedule,
13794 free_partial_schedule, reset_partial_schedule): Make them
13797 * hooks.c (hook_bool_rtx_int_false): Remove.
13798 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13800 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13802 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13803 and -mlong-double-128 are incompatible.
13804 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13805 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13806 (TARGET_LIBGCC2_CFLAGS): Define.
13807 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13808 (TARGET_LIBGCC2_CFLAGS): Same.
13809 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13811 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13814 * c-typeck.c (build_binary_op): Perform implicit casts of
13815 operands before shortening them.
13817 * cfgloopmanip.c (split_loop_bb): Remove.
13818 * cfgloop.h: Remove the prototype for split_loop_bb.
13820 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13821 * cfgloop.h: Remove the prototype for
13822 flow_loop_outside_edge_p.
13824 * emit-rtl.c (init_virtual_regs): Make it static.
13825 * function.h: Remove the prototype for init_virtual_regs.
13827 * recog.c (peephole2_optimize): Make it static.
13828 * recog.h: Remove the prototype for peephole2_optimize.
13830 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13832 * df-scan.c (df_record_entry_block_defs): Check if
13833 INCOMING_RETURN_ADDR_RTX is defined.
13835 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13836 Kenneth Zadeck <zadeck@naturalbridge.com>
13838 PR rtl-optimization/24762
13839 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13840 * targhooks.c (hook_void_bitmap): New hook prototype.
13841 * targhoohs.h (hook_void_bitmap): Ditto.
13842 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13843 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13844 * target.h (live_on_entry): New function pointer.
13845 * df-scan.c (df_all_hard_regs): Removed.
13846 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13847 (df_scan_free_internal): Added df->entry_block_defs.
13848 (df_scan_alloc): Ditto.
13849 (df_scan_dump): Ditto.
13850 (df_uses_record): Plumbed flag field properly thru calls.
13851 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13852 This part fixes PR24762.
13853 (df_bb_refs_record): Added code to make the frame and arg
13854 pointers live in EH blocks.
13855 (df_refs_record): Added call to df_record_entry_block_defs.
13856 (df_record_entry_block_defs): New function.
13857 * df-core.c: Added comments to describe new artifical defs.
13858 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13859 (entry_block_defs): New field in struct df.
13860 (df_all_hard_regs): Deleted.
13861 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13862 * df-problems.c (df_ru_bb_local_compute_process_def):
13863 Added code to handle artifical defs in the entry to a function.
13864 (df_ru_bb_local_compute): Ditto.
13865 (df_rd_bb_local_compute_process_def): Ditto.
13866 (df_rd_bb_local_compute): Ditto.
13867 (df_lr_bb_local_compute): Ditto.
13868 (df_ur_bb_local_compute): Ditto.
13869 (df_urec_bb_local_compute): Ditto.
13870 (df_chain_create_bb): Ditto.
13871 (df_ur_local_finalize): Removed entry.
13872 (df_urec_init): Ditto.
13873 (df_urec_local_finalize): Ditto.
13874 (df_ri_bb_compute): Added detection of last use of pseudos.
13875 * Makefile.in (df-scan.o): Updated dependencies.
13876 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13877 * config/mips/mips.c (mips_set_live_on_entry): Added.
13878 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13880 * dce.c (marked_insn_p): Added code to handle artifical defs.
13882 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13884 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13886 (_mm_cvtsi128_si64): Likewise.
13887 (_mm_cvtsd_si64): Likewise.
13888 (_mm_cvttsd_si64): Likewise.
13889 (_mm_cvtsi64_sd): Likewise.
13890 (_mm_cvtsi64_si128): Likewise.
13891 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13892 (_mm_cvtsi64_m64): Likewise.
13893 (_m_to_int64): Likewise.
13894 (_mm_cvtm64_si64): Likewise.
13895 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13896 (_mm_cvttss_si64): Likewise.
13897 (_mm_cvtsi64_ss): Likewise.
13898 (_mm_cvtss_f32): Likewise.
13900 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13902 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13903 for pragma redefine_extname.
13905 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13908 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13909 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13910 -mno-minimal-toc to previous content.
13911 (bispecs): Remove goal.
13912 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13913 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13914 compatibility aliases on powerpc-*-*gnu*.
13915 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13916 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13917 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13918 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13919 (ldblspecs): New goal.
13920 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13921 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13923 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13924 L_sf_to_tf or L_df_to_tf is defined.
13926 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13927 Alan Modra <amodra@bigpond.net.au>
13930 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13931 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13932 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13933 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13934 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13935 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13936 (rs6000_override_options): Initialize rs6000_ieeequad.
13937 Initialize TFmode format to ibm_extended_format if not
13939 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13941 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13942 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13943 (function_arg_advance): IBM long double passed in two FPRs, not
13945 (function_arg): IBM long double passed in FPRs.
13946 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13947 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13948 Only multireg GPR aligned.
13949 (rs6000_init_libfuncs): Enable IBM long double functions if not
13951 (rs6000_generate_compare): Use IBM long double compare if not
13953 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13954 (TARGET_IEEEQUAD): Define.
13955 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13956 not TARGET_IEEEQUAD.
13957 * config/rs6000/rs6000.md: Enable TFmode patterns if
13959 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13960 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13961 and -mlong-double-128 are incompatible.
13962 * doc/invoke.texi (-mabi): Collect options together. Add
13963 ibmlongdouble and ieeelongdouble.
13965 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13967 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13969 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13970 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13971 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13972 * rtl.h (rtunion_def): Remove rt_ptr.
13974 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13975 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13976 * config/i386/winnt.c (i386_pe_mark_dllexport)
13977 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13979 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13981 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13983 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13987 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13988 pthread_key_delete. From John David Anglin. gthrw-ify
13989 pthread_getunique_np only if it it's not a macro. Delete
13991 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13992 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13993 __gthread_objc_condition_signal, __gthread_key_delete): Add
13994 "__attribute__ ((__unused__))" to unused arguments.
13995 (__gthread_recursive_mutex_init_function): Add missing return.
13996 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13997 gthr-posix95.h: Use macro-based approach for name redirection
13998 on targets missing weakref.
14000 2006-01-26 Zack Weinberg <zackw@panix.com>
14002 * genconditions.c (write_header): In generated code, #ifdef out
14003 all includes and fake declarations, except includes of bconfig.h
14004 and system.h, unless GCC_VERSION >= 3001. Do not include
14005 gensupport.h in any case.
14006 (write_conditions): Generate a definition of struct c_test. Add
14007 a comment to the generated #endif.
14008 (write_one_condition): Escape backslashes in string too.
14009 (write_writer): Generated code must escape backslashes and quote
14010 marks (but not newlines) in the strings it writes.
14011 * Makefile.in (build/gencondmd.o): Update dependencies.
14013 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14016 * Makefile.in (insn-automata.o): Add header file dependencies.
14017 * genautomata.c: Add includes.
14019 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14022 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14024 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14026 * configure.ac: Expect target tools paths to be passed from the toplevel
14027 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14029 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14031 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14034 * c.opt (Wpointer-sign): Init to -1.
14035 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14036 OPT_pedantic, to 0 otherwise.
14037 * doc/invoke.texi: Update.
14039 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14041 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14042 constants provided by 80387 instructions in the destination mode.
14044 2006-01-26 Richard Guenther <rguenther@suse.de>
14045 Andrew Pinski <pinskia@physics.uc.edu>
14048 partial PR tree-opt/17064
14049 * tree-ssa-structalias.c (intra_create_variable_infos):
14050 Create heap variables for incoming parameters if
14051 flag_argument_noalias > 1.
14052 (find_what_p_points_to): Look through default defs of
14055 2006-01-26 Jeff Law <law@redhat.com>
14058 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14059 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14060 within the VR_RANGE, use the VR_RANGE as the result, not the
14062 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14063 bounds for the type.
14065 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14067 * tree-ssa-alias.c (maybe_create_global_var): Change
14068 subvar walking to an assertion that we don't have subvar'd variables.
14070 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14073 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14074 Use a new variable, inner. PARM_DECLs are always non-weak.
14076 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14078 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14079 --disable-checking.
14081 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14083 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14085 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14087 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14088 (smax_insn, smin_insn, smax_0, smin_0): New.
14090 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14093 * config/cris/cris.c (cris_order_for_addsi3): New function.
14094 * config/cris/cris-protos.h: Prototype it.
14095 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14096 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14097 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14098 (split for "op.S1 [rx=rx+i],ry (swapped)")
14099 (split for "op(s|u).S1 [rx=rx+i],ry")
14100 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14101 Apply cris_order_for_addsi3 when generating addsi3 insns.
14103 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14105 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14106 (TREE_BLOCK): Add call to EXPR_CHECK.
14108 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14111 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14112 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14113 (dump_omp_clauses): ... here.
14114 (dump_generic_node): Handle OMP_CLAUSE.
14115 * tree.c (omp_clause_num_ops): New.
14116 (omp_clause_code_name): New.
14117 (tree_code_size): Handle OMP_CLAUSE.
14118 (tree_size): Likewise.
14119 (make_node): Document handling of OMP_CLAUSE.
14120 (tree_node_structure): Handle OMP_CLAUSE.
14121 (omp_clause_check_failed): New.
14122 (omp_clause_range_check_failed): New.
14123 (omp_clause_operand_check_failed): New.
14124 (build_omp_clause): New.
14125 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14126 * tree.h (enum omp_clause_code): Declare.
14127 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14128 (OMP_CLAUSE_RANGE_CHECK): Define.
14129 (OMP_CLAUSE_ELT_CHECK): Define.
14130 (omp_clause_check_failed): Declare.
14131 (omp_clause_operand_check_failed): Declare.
14132 (omp_clause_range_check_failed): Declare.
14133 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14134 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14135 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14136 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14137 (OMP_CLAUSE_IF_EXPR): Likewise.
14138 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14139 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14140 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14141 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14142 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14143 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14144 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14145 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14146 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14147 (OMP_CLAUSE_CODE): Define.
14148 (OMP_CLAUSE_SET_CODE): Define.
14149 (OMP_CLAUSE_CODE): Define.
14150 (OMP_CLAUSE_OPERAND): Define.
14151 (struct tree_omp_clause): Declare.
14152 (union tree_node): Add field 'omp_clause'.
14153 * treestruct.def (TS_OMP_CLAUSE): Define.
14154 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14155 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14156 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14157 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14158 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14159 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14160 (OMP_CLAUSE): Define.
14161 * print-tree.c (print_node): Handle OMP_CLAUSE.
14162 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14163 * c-typeck.c: Likewise.
14164 * gimplify.c: Likewise.
14165 * c-omp.c: Likewise.
14166 * tree-nested.c: Likewise.
14167 * tree-inline.c: Likewise.
14168 * c-parser.c: Likewise.
14169 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14172 2006-01-25 Roger Sayle <roger@eyesopen.com>
14174 PR rtl-optimization/25703
14175 * combine.c (try_combine): Handle zero_extract and strict_low_part
14176 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14178 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14180 * global.c: Fix comment typos.
14182 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14185 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14186 Use output_addr_const instead of assemble_name.
14188 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14190 * Makefile.in (sched-vis.o): Update dependencies.
14191 * haifa-sched.c (sched_finish): Clear current_sched_info.
14192 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14193 (dump_flow_info): Call it.
14194 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14196 * basic-block.h (dump_bb_info): Declare.
14197 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14198 option, and apply options only for dump files whose TDF_RTL,
14199 TDF_TREE, or TDF_IPA bits match.
14200 * rtl.h: Declare new functions exported from sched-vis.c.
14201 * sched-vis.c: Enable also if scheduling is not used.
14202 (print_value): Print the mode of registers if not inside scheduling.
14203 (print_insn): Make it work outside the scheduler. Beautify the output
14205 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14207 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14209 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14210 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14211 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14212 depending on the value of CONSTANT_POOL_ADDRESS_P.
14213 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14215 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14216 rather than SYMBOL_REF_DECL.
14217 (rtx_constant_pool): Remove const_rtx_sym_htab.
14218 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14219 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14220 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14221 Remove handling of const_rtx_sym_htab.
14222 (find_pool_constant): Delete.
14223 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14224 rather than find_pool_constant.
14225 (get_pool_constant_for_function): Delete.
14226 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14227 find_pool_constant.
14228 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14229 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14230 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14231 (SYMBOL_REF_CONSTANT): New macro.
14232 (get_pool_constant_for_function): Delete.
14233 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14234 rather than SYMBOL_REF_DECL.
14235 (i386_pe_mark_dllimport): Likewise.
14236 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14237 rather than SYMBOL_REF_DECL.
14238 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14239 (machopic_indirect_call_target): Likewise.
14241 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14243 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14245 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14247 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14249 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14251 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14253 2006-01-24 David Daney <ddaney@avtrex.com>
14256 * configure.ac (enable_tls): New enable option.
14257 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14258 * configure: Regenerate.
14259 * doc/install.texi (--enable-tls): Document new option.
14260 (--disable-tls): Ditto.
14262 2006-01-24 Richard Henderson <rth@redehat.com>
14264 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14265 * alias.c (true_dependence): Respect it.
14266 (canon_true_dependence, write_dependence_p): Likewise.
14267 * builtins.c (get_builtin_sync_mem): Set it.
14269 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14271 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14274 2006-01-24 DJ Delorie <dj@redhat.com>
14276 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14277 for storing constants in single-bit bitfields.
14279 2006-01-25 Ben Elliston <bje@au.ibm.com>
14281 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14283 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14286 * tree-ssa-pre.c (phi_translate): Return NULL
14287 for AGGREGATE_TYPE's.
14289 2006-01-24 Zack Weinberg <zackw@panix.com>
14291 * genautomata.c (process_state_for_insn_equiv_partition):
14292 Use xcalloc for insn_arcs_array.
14293 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14294 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14296 2006-01-24 Richard Henderson <rth@redhat.com>
14298 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14299 update all callers.
14301 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14303 PR rtl-optimization/25890
14304 PR rtl-optimization/25905
14305 * combine.c (expand_compound_operation, expand_field_assignment):
14306 Fail if the bitfield's final position is out of bounds.
14308 2006-01-24 Ian Lance Taylor <ian@airs.com>
14310 PR middle-end/25930
14311 * cgraphunit.c (cgraph_output_in_order): Don't clear
14312 cgraph_asm_nodes until after asm strings have been output.
14314 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14316 * fix-header.c (read_scan_file): Add new parameter imultilib when
14317 calling register_include_chains.
14319 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14321 * omp-low.c: Update documentation.
14323 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14324 Daniel Berlin <dberlin@dberlin.org>
14328 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14329 return from the function.
14331 2006-01-22 Zack Weinberg <zackw@panix.com>
14333 * rtl.def (match_code): Add second argument.
14334 * genpreds.c (write_extract_subexp): New function.
14335 (write_match_code): Add path argument. Use write_extract_subexp.
14336 (write_predicate_expr): Pass path to write_match_code.
14337 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14338 not perform a mode test.
14339 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14340 a subexpression does not constrain the top-level code set.
14341 * read-rtl.c (read_rtx_variadic): New function.
14342 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14343 * doc/md.texi: Document new notation.
14344 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14345 (cmpsi_operand): ... here, using new notation.
14347 2006-01-22 Zack Weinberg <zackw@panix.com>
14349 * varray.c: Remove GENERATOR_FILE #ifdefs.
14351 2006-01-22 Zack Weinberg <zackw@panix.com>
14353 * genautomata.c (output_reserved_units_table): Emit nothing if
14354 description->query_units_num is zero. Remove extra blank line.
14355 (output_cpu_unit_reservation_p): Short circuit
14356 if description->query_units_num is zero.
14358 2006-01-22 Zack Weinberg <zackw@panix.com>
14360 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14361 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14362 nor any of the random handful of variables that used to be necessary
14363 when this program was linked with rtlanal.o. Prune set of forward
14364 function declarations.
14365 (struct attr_desc): Remove static_p field.
14366 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14367 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14368 (attr_string): Do not read the character one past the length of
14370 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14371 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14372 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14373 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14374 (make_automaton_attrs): New.
14375 (main): Do not call into genautomata. Call local gen_bypass
14376 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14377 Remove special case for insn_alts.
14378 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14379 varray.h (leftover from previous change). Prune set of forward
14380 function declarations. Remove state_alts fields from all
14381 structures. Remove state_alts_table from struct automaton.
14382 Make everything except main static. Do not maintain num_dfa_decls.
14383 Do not maintain state_alts fields of various structures.
14384 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14385 (add_arc): Remove state_alts argument. All callers updated.
14386 (output_reserved_units_table): Emit #ifdef here...
14387 (output_tables): ...not here. Don't generate state_alts tables.
14388 (expand_automata): Don't generate attributes.
14389 (write_automata): Don't generate state_alts functions.
14390 (main): New function.
14391 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14392 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14393 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14394 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14395 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14396 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14397 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14398 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14400 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14401 * genattrtab.h: Delete file.
14402 * Makefile.in (OBJS-common): Add insn-automata.o.
14403 (insn-automata.o): New rule.
14404 (simple_generated_c): Add insn-automata.c.
14405 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14406 (genprogmd): Add automata.
14407 (build/genattrtab): Needs no extra objects nor libraries.
14408 (build/genautomata): Needs build/vec.o and -lm.
14410 2006-01-22 Zack Weinberg <zackw@panix.com>
14412 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14413 (output_dfa_max_issue_rate, locked_states_num): Delete.
14414 (struct automaton): Add locked_states field.
14415 (output_dead_lock_vect): Save number of locked states in
14416 automaton->locked_states. If it is zero, don't print anything.
14417 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14418 (output_internal_dead_lock_func): Only test the dead_lock_vect
14419 for automata that have locked states.
14420 (output_statistics): Always print the number of locked states for
14421 each automaton. Calculate total number of locked states here.
14422 (write_automata): Don't call output_dfa_max_issue_rate.
14423 * genattrtab.c: Define length_unit_log as a const variable.
14424 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14425 max_insn_queue_index const.
14426 * final.c (length_unit_log): Declare const.
14427 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14429 2006-01-22 Zack Weinberg <zackw@panix.com>
14431 * genautomata.c: Include vec.h, not varray.h.
14432 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14433 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14434 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14435 VEC_* macros operating on appropriately typed vectors, or to
14436 malloced arrays when the size is known in advance. Const-ify
14437 many char* variables and function arguments. No functional changes.
14438 * Makefile.in (build/varray.o): Delete rule.
14439 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14440 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14442 2006-01-22 Zack Weinberg <zackw@panix.com>
14444 * gensupport.c: Define get_insn_name and record_insn_name here.
14445 (read_md_rtx): Call record_insn_name as appropriate.
14446 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14447 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14448 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14450 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14451 (BUILD_VARRAY): Delete.
14452 (genprognormal): Rename genprogmd. Fold in all programs from
14453 genprognoprint; also attrtab.
14454 (build/genattrtab): Just mention genautomata.o and varray.o.
14455 Reorganize a bit, add comments to make the categories clearer.
14457 2006-01-22 Zack Weinberg <zackw@panix.com>
14459 * genconditions.c (condition_table, add_condition): Delete.
14460 (write_conditions): Don't emit n_insn_conditions nor
14461 insn_elision_unavailable. Issue the gcc version #ifdef here,
14462 inside the table, with no #else clause ...
14463 (write_header): ...not here.
14464 (write_writer): New function.
14465 (main): Don't initialize condition_table. Use add_c_test.
14467 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14468 files on the command line.
14469 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14470 Return -1 if there is no entry in the table, don't abort.
14471 (add_c_test, traverse_c_tests): New functions.
14472 * gensupport.h (insn_elision_unavailable, insn_conditions)
14473 (n_insn_conditions): Delete declarations.
14474 (add_c_test, traverse_c_tests): Declare.
14475 * read-rtl.c: Include gensupport.h.
14476 (read_conditions): New function.
14477 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14478 (read_rtx_1): If we get EOF when we were looking for an initial
14479 open paren, return 0. Call read_conditions when appropriate.
14480 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14481 dummy-conditions.o. Eliminate references to insn-conditions.o,
14482 or change them to build/gencondmd.o, as appropriate. Remove
14483 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14484 from $(simple_generated_c). For all files remaining in those
14485 two lists, add insn-conditions.md to the generator command line.
14486 Give insn-constants.h/s-constants their own rules. Add rules
14487 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14488 (build/read-rtl.o): Depend on gensupport.h.
14489 (genprognormal): Include preds.
14490 (genprogearly): Rename genprognoprint; only difference is now that
14491 they don't link with $(BUILD_PRINT).
14492 * dummy-conditions.c: Delete.
14494 2006-01-22 Zack Weinberg <zackw@panix.com>
14496 * genextract.c: Don't include insn-config.h. Do include vec.h.
14497 Declare vectors of int, char, and locstr.
14498 (locstr): New typedef.
14499 (struct extraction): Make all array fields into bare pointers.
14500 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14501 (insn_code_number): Delete.
14502 (accum_extract): New struct.
14503 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14504 (gen_insn): Take insn_code_number as an argument. Use an
14505 accum_extract structure instead of loading data directly into
14506 a struct extraction, and having to know how big it might get.
14507 (walk_rtx): Operate entirely on an accum_extract structure.
14508 (print_path): Avoid unnecessary use of printf.
14509 (print_header): New function, split out of main. Distinguish
14510 more carefully between an unrecognizable insn and an insn that
14511 has the code number of a define_expand.
14512 (main): Pass insn_code_number to gen_insn. Call print_header
14513 only after parsing. Avoid unnecessary use of printf.
14514 * Makefile.in (build/vec.o): New rule.
14515 (build/genextract): Depend on build/vec.o.
14516 (build/genextract.o): Don't depend on insn-config.h.
14518 2006-01-22 Zack Weinberg <zackw@panix.com>
14520 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14521 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14522 practical. Eliminate per-generator-program link rules.
14524 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14526 PR middle-end/24437
14527 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14528 with a call expr to ...
14529 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14531 2006-01-23 Richard Guenther <rguenther@suse.de>
14533 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14534 before make_edge with conditional EDGE_TRUE_VALUE.
14536 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14537 Jan Hubicka <jh@suse.cz>
14538 Richard Guenther <rguenther@suse.de>
14540 PR rtl-optimization/25654
14541 * cfgexpand.c (aggregate_contains_union_type): New function.
14542 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14543 for structure variables that contain a union type.
14545 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14547 * gengtype.c (new_structure): Return the structure.
14548 (create_option): Add an extra "next" argument.
14549 (create_field): New function.
14550 (adjust_field_rtx_def): Use create_option and create_field.
14551 Remove a now-unnecessary call to find_structure.
14552 (adjust_field_tree_def): Likewise.
14553 (note_yacc_type): Remove an unnecessary call to find_structure.
14554 * gengtype.h (new_structure): Return the structure.
14555 (create_option): Add an extra argument.
14556 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14557 (option): Adjust calls to create_option.
14559 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14561 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14563 2006-01-22 Paul Brook <paul@codesourcery.com>
14564 Peter Barada <peter@the-baradas.com>
14566 * config/m68k/m68k.md: Add Coldfire FPU support.
14567 Define FP mode macro and associated attributes.
14568 Use it for float mode patterns.
14569 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14570 (LIBCALL_VALUE): Use m68k_libcall_value.
14571 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14572 (m68k_function_value): Ditto.
14573 (emit_move_sequence): Ditto.
14574 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14575 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14576 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14577 (MULTILIB_EXCEPTIONS): Ditto.
14578 * config/m68k/m68k.opt: Add mcfv4e.
14579 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14580 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14581 (m68k_output_function_prologue): Save ColdFire FPU registers.
14582 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14583 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14584 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14585 ColdFire FPU registers.
14586 (m68k_libcall_value, m68k_function_value): New functions.
14587 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14588 (LIBCALL_VALUE): Use m68k_libcall_value.
14589 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14590 (MASK_COLDFIRE): Add MASK_CFV4E.
14591 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14592 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14593 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14594 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14595 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14596 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14597 * doc/invoke.tex: Document -mcfv4e on m68k.
14599 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14601 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14604 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14607 * c-opts.c (c_common_handle_option): Don't include
14608 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14609 * doc/invoke.texi (C++ Dialect Options): Document that
14610 -Wnon-virtual-dtor is no longer included in -Wall.
14612 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14614 * gcov.c (print_version), gcov-dump.c (print_version),
14615 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14618 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14620 * df-scan.c (problem_SCAN): Added NULL reset function.
14621 (df_scan_reset_blocks): Added code to call reset block function
14622 (df_bb_refs_delete) Fixed comment.
14623 (df_insn_refs_delete): Made tolerant of deleting non existent info
14624 for dataflow problems that need to be reset.
14625 * df-core.c (df_set_blocks): Ditto.
14626 * df.h (struct df_problem): Added reset_fun.
14627 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14628 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14629 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14630 functions to clear out all references to def-use or use-def chains.
14632 2006-01-21 Ben Elliston <bje@au.ibm.com>
14634 * varasm.c (assemble_real): Initialise data array.
14636 2006-01-20 Paul Brook <paul@codesourcery.com>
14638 Merge from csl-arm-branch.
14639 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14640 * config/arm/arm.md (movdi): Force operands[1] to a register
14641 if we have a non-register source.
14642 (*arm_movdi, *movdf_soft_insn): Require that one of the
14643 operands be a register.
14644 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14645 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14647 2006-01-20 DJ Delorie <dj@redhat.com>
14649 * varasm.c (initializer_constant_valid_p): Allow pointers
14650 initialized from integer constants of lesser precision.
14651 (output_constant): Allow non-int-sized pointer modes to be
14652 initialized from integer constants.
14654 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14657 * cppdefault.h (struct default_include): Add multilib flag.
14658 * cppdefault.c (cpp_include_defaults): Set it.
14659 * c.opt (-imultilib): New option.
14660 * c-opts.c (imultilib): New.
14661 (c_common_handle_option): Handle -imultilib.
14662 (c_common_post_options): Likewise.
14663 * c-incpath.c (add_standard_paths, register_include_chains):
14665 * c-incpath.h (register_include_chains): Add extra parameter.
14666 * gcc.c (do_spec_1): Generate -imultilib option.
14667 (The Specs Language): Update %I description.
14668 (process_command): Update copyright notice.
14669 * doc/cppopts.texi (-imultilib): Document.
14670 * doc/invoke.texi (-imultilib): Include in option summary.
14671 (%I): Update specs documentation.
14673 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14675 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14677 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14679 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14682 2006-01-20 Richard Guenther <rguenther@suse.de>
14683 Steven Bosscher <stevenb.gcc@gmail.com>
14685 PR rtl-optimization/24626
14686 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14687 EDGE_TRUE_VALUE if in RTL mode.
14690 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14691 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14693 2006-01-20 Dirk Mueller <dmueller@suse.com>
14696 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14697 instead of a special NOP marker.
14698 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14699 NOP marker handling.
14700 * c-common.h (empty_body_warning): Add forward declaration.
14701 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14702 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14704 2006-01-20 Paul Brook <paul@codesourcery.com>
14706 * Makefile.in (lang_checks): Keep going if mkdir fails.
14708 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14710 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14711 be able to clean out basic block when not necessary.
14712 (df_scan_free): Fixed to properly delete information if df is
14713 unused before calling df_finish.
14714 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14715 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14717 (df_bb_refs_delete): New function.
14718 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14719 * df-core.c (df_set_blocks): Added code to properly clean out
14720 unused blocks if they are not part of the blocks to consider.
14721 Added additional null check.
14722 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14723 be able to clean out basic block when not necessary
14724 * df.h (df_free_bb_function): Ditto.
14725 (df_bb_refs_delete): New function.
14726 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14727 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14728 basic block parameter to be able to clean out basic block when not
14730 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14731 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14732 Fixed to properly delete information if df is unused before
14735 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14737 PR rtl-optimization/25799
14738 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14739 Corrected confluence operator to remove bits from op2 before oring
14740 with op1 rather than removing bits from op1.
14741 (df_ru_transfer_function): Corrected test on wrong bitmap which
14742 caused infinite loop. Both of these problems were introduced in
14743 the dataflow rewrite.
14745 2006-01-19 DJ Delorie <dj@redhat.com>
14747 * reload1.c (find_reload_regs): Note the details of reload
14748 failures in the dump file.
14749 (spill_failure): Likewise.
14751 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14753 * loop-iv.c: Include df.h and hashtab.h.
14754 (enum iv_grd_result): New enum.
14755 (DF_REF_IV, DF_REF_IV_SET): New macros.
14756 (struct biv_entry): New.
14757 (df, bivs): New global variables.
14758 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14759 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14761 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14762 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14763 analyzed_for_bivness_p, record_biv): New functions.
14764 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14765 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14766 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14768 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14770 (iv_number_of_iterations): Use new interface to iv analysis.
14771 * loop-unroll.c: Do not include varray.h.
14772 (analyze_iv_to_split_insn): Use new interface to iv
14774 * loop-unswitch.c (may_unswitch_on): Ditto.
14775 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14777 (df_bb_modify): Realloc tables to the new index.
14778 (df_find_use): New function.
14779 * df.h (df_find_use): Declare.
14780 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14782 * cfgloop.h (struct rtx_iv): Remove analysed field.
14783 (iv_get_reaching_def): Removed.
14784 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14785 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14786 (loop-iv.o): Add df.h and hashtab.h dependency.
14787 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14789 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14792 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14794 (__floatundisf, __floatundidf): Likewise.
14795 * libgcc2.h (IS_IBM_EXTENDED): Define.
14797 2006-01-19 DJ Delorie <dj@redhat.com>
14799 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14801 2006-01-19 Paul Brook <paul@codesourcery.com>
14803 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14804 as nothrow when unwinding tables are disabled.
14806 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14809 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14810 of bit-field" when in system header.
14812 2006-01-19 DJ Delorie <dj@redhat.com>
14814 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14815 the 16 bit shift limit of the m16c.
14817 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14820 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14821 * config/i386/i386.c (output_set_got): Output the label if we have one
14822 for the TARGET_DEEP_BRANCH_PREDICTION case.
14824 2006-01-19 Jan Hubicka <jh@suse.cz>
14825 H.J. Lu <hongjiu.lu@intel.com>
14826 Evandro Menezes <evandro.menezes@amd.com>
14828 * invoke.texi (generic): Document
14830 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14831 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14832 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14833 (x86_use_incdec, x86_pad_returns): New variables
14834 (TARGET_CPU_DEFAULT_generic): New constant
14835 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14836 (enum processor_type): Add generic32 and generic64.
14837 * i386.md (cpu attribute): Add generic32/generic64
14838 (movhi splitter): Behave sanely when both partial_reg_dependency and
14839 partial_reg_stall are set.
14840 (K8 splitters): Enable for generic as well.
14841 * predicates.md (incdec_operand): Use TARGET_INCDEC
14842 (aligned_operand): Avoid memory mismatch stalls.
14843 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14844 * ppro.md: Enable for generic32
14845 * i386.c (generic64_cost, generic32_cost): New.
14846 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14847 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14848 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14849 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14850 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14851 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14852 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14853 x86_accumulate_outgoing_args, x86_prologue_using_move,
14854 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14855 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14856 Enable for generic.
14857 (x86_use_incdec, x86_pad_returns): New.
14858 (override_options): Add generic32 and generic64, translate "generic"
14859 to generic32/generic64 and "i686" to "generic32", refuse
14860 "generic32"/"generic64" as arch target.
14861 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14862 (ix86_reorg): Honor PAD_RETURNS.
14864 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14866 * tree-pretty-print.c (dump_generic_node): Handle
14867 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14868 * cgraph.c (cgraph_expand_queue): Rename from
14869 cgraph_analyze_queue. Update all users.
14870 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14871 cgraph_expand_queue.
14872 (cgraph_expand_all_functions): Likewise.
14873 (cgraph_finalize_pending_functions): Remove. Update callers.
14875 * tree.h (OMP_DIRECTIVE_P): Define.
14876 (OMP_PARALLEL_FN): Define.
14877 (OMP_PARALLEL_DATA_ARG): Define.
14878 (OMP_SECTIONS_SECTIONS): Define.
14879 * tree-pass.h (pass_expand_omp): Declare.
14880 * omp-low.c (struct omp_region): Declare.
14881 (struct omp_context): Remove fields 'parallel_type',
14882 'parallel_start_ix' and 'parallel_start_additional_args'.
14884 (struct omp_for_data): Rename from struct expand_omp_for_data.
14885 (omp_regions): New static variable.
14886 (root_omp_region): New static variable.
14887 (find_omp_clause): Make static.
14888 (is_in_combined_parallel_ctx): Remove.
14889 (is_combined_parallel): New.
14890 (extract_omp_for_data): Move earlier in the file.
14891 (workshare_safe_to_combine_p): New.
14892 (get_ws_args_for): New.
14893 (determine_parallel_type): Move earlier in the file.
14894 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14896 (omp_copy_decl): Likewise.
14897 (create_omp_child_function): Likewise.
14898 (lookup_omp_region): New.
14899 (dump_omp_region): New.
14900 (debug_omp_region): New.
14901 (debug_all_omp_regions): New.
14902 (new_omp_region): New.
14903 (scan_omp_parallel): If parallel_nesting_level > 1, the
14904 directive is nested within another parallel directive.
14905 Set OMP_PARALLEL_FN.
14906 (scan_omp_for): Do not try to handle combined parallel+for
14908 Remove FIXME comment.
14909 (scan_omp_nested): Remove.
14910 (scan_omp_1): Do not call scan_omp_nested when
14911 parallel_nesting_level is > 1.
14912 Do not change the DECL_CONTEXT of local variables found.
14913 (lookup_decl_in_outer_ctx): New.
14914 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14915 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14916 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14917 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14918 If CTX is nested, lookup VAR in the outer context when
14919 building copy assignment.
14920 (lower_send_clauses): Rename from expand_send_clauses.
14921 If CTX is nested, lookup VAR in the outer context when
14922 building copy assignments.
14923 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14924 If CTX is nested, lookup VAR in the outer context when
14925 building copy assignments.
14926 (expand_parallel_call): Rename from build_parallel_call.
14927 Handle combined parallel+workshare cases.
14928 Re-implement to emit code into the CFG.
14930 (expand_omp_parallel): Re-implement to emit code into the CFG.
14931 Call move_sese_region_to_fn to outline the sub-graph
14932 containing the parallel region.
14933 (expand_omp_for_1): Remove.
14934 (expand_omp_for_generic): Re-implement to emit code into the
14936 (expand_omp_for_static_nochunk): Likewise.
14937 (expand_omp_for_static_chunk): Likewise.
14938 (expand_omp_for): Likewise.
14939 (expand_omp_sections): Likewise.
14940 (remove_exit_barriers): New.
14941 (expand_omp_synch): New.
14943 (build_omp_regions_1): New.
14944 (build_omp_regions): New.
14945 (execute_expand_omp): New.
14946 (gate_expand_omp): New.
14947 (pass_expand_omp): Define.
14948 (lower_omp_sections): Rename from expand_omp_sections.
14949 Set OMP_SECTIONS_SECTIONS.
14950 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14951 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14952 (lower_omp_single): Rename from expand_omp_simple.
14953 (lower_omp_master): Rename from expand_omp_master.
14954 (lower_omp_ordered): Rename from expand_omp_ordered.
14955 (lower_omp_critical): Rename from expand_omp_critical.
14956 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14957 (lower_omp_for): Re-implement.
14958 (lower_omp_parallel): Re-implement.
14959 (lower_regimplify): Rename from expand_regimplify.
14960 (lower_omp_1): Rename from expand_omp_1.
14961 If there are syntax errors in the program, replace every
14962 OpenMP directive with NOP.
14963 Call lower_omp_* instead of expand_omp_*.
14964 (lower_omp): Rename from expand_omp.
14966 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14967 * tree-gimple.h (enum omp_parallel_type): Remove.
14968 (gimple_boolify): Declare extern.
14969 (find_omp_clause, determine_parallel_type): Remove.
14971 * gimple-low.c (lower_omp_directive): New.
14972 (lower_stmt): Call it.
14973 (record_vars_into): Move from ...
14974 (record_vars): ... here.
14975 Call record_vars_into with current_function_decl.
14977 * gimplify.c (struct gimplify_ctx): Remove fields
14978 combined_pre_p and combined_ctxp. Update users.
14979 (get_formal_tmp_var): Add documentation.
14980 (gimple_boolify): Make extern.
14981 (gimplify_expr_in_ctx): Remove. Update callers.
14982 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14983 will always be a BIND_EXPR.
14984 (gimplify_expr): Handle OMP_RETURN_EXPR.
14985 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14986 (OMP_PARALLEL): Add 3 operands.
14987 (OMP_SECTIONS): Add 1 operand.
14988 (OMP_RETURN_EXPR): Define.
14990 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14991 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14992 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14993 creating a circular free list.
14994 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14996 * tree-flow.h (move_sese_region_to_fn): Declare.
14997 (record_vars_into): Declare.
14998 * tree-cfg.c (make_omp_sections_edges): New.
14999 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15000 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15001 OMP_SECTIONS and OMP_SECTION.
15002 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15003 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15004 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15005 (gather_blocks_in_sese_region): New.
15006 (struct move_stmt_d): Declare.
15007 (move_stmt_r): New.
15008 (move_block_to_fn): New.
15009 (move_sese_region_to_fn): New.
15011 * passes.c (init_optimization_passes): Schedule
15012 pass_expand_omp after pass_init_datastructures.
15014 * tree-ssa-operands.c (get_expr_operands): Handle
15015 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15016 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15018 2006-01-19 Jeff Law <law@redhat.com>
15020 * tree-vrp.c (extract_range_from_assert): Refine the result range
15021 if the variable referenced by the ASSERT_EXPR has a range and
15022 either the tentative result range or the previous range is a
15025 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15027 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15029 2006-01-19 Jan Hubicka <jh@suse.cz>
15031 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15033 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15035 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15036 (expand_compound_operation, expand_field_assignment): Fail if the
15037 bit lengths of an extract operation are out of range.
15038 (make_extraction): Compute wanted_inner_mode based on the position
15039 and length of the extraction. Make it extraction_mode for non-constant
15040 positions, and do not modify offset in that case. When generating a
15041 new MEM, use a mode that can hold the extraction while keeping correct
15042 alignment. Remove code that supported MEMs wrapped by USEs.
15043 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15045 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15047 * config/s390/s390.md ("Y", "y"): New mode attribute.
15048 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15049 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15050 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15051 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15052 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15053 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15054 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15055 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15056 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15057 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15058 "addsi3", "subsi3"): Insn patterns removed.
15059 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15060 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15061 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15062 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15063 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15064 "*sub<mode>3_cconly2"): New insn patterns.
15065 ("addsi3", "subsi3"): New expanders.
15067 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15069 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15070 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15071 existing STMT_VINFO_VECTYPE if available.
15072 (vect_mark_relevant): Add special handling for stmts that are
15073 marked as STMT_VINFO_IN_PATTERN_P.
15074 (vect_analyze_loop): Call vect_pattern_recog.
15075 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15076 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15078 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15079 (vect_recog_func_ptr): New function-pointer type.
15080 * tree-vect-patterns.c: New file.
15081 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15082 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15083 (vect_pattern_recog_1): New functions.
15084 (vect_pattern_recog_funcs): New array of function pointers.
15086 * tree-vectorizer.h (ternary_op): New enum value.
15087 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15088 declaration. Revised documentation. Removed redundant dump prints.
15089 Removed redundant argument. Added support for reduction patterns.
15090 (vectorizable_reduction): Added support for reduction patterns.
15091 (vect_transform_stmt): Added support for patterns.
15093 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15094 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15095 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15096 (expand_widen_pattern_expr): New function.
15097 (init_optabs): Initialize new optabs udot_prod_optab,
15099 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15100 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15101 (expand_widen_pattern_expr): New function declaration.
15102 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15104 * tree-inline.c (estimate_num_insns_1): Added cases for new
15105 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15106 * tree-pretty-print.c (dump_generic_node): Likewise.
15107 (op_prio): Likewise.
15108 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15109 * tree-ssa-operands.c (get_expr_operands): Added case for
15111 * tree-vect-patterns.c (widened_name_p): New function.
15112 (vect_recog_dot_prod_pattern): Added function implementation.
15113 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15114 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15115 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15116 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15118 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15119 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15120 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15121 (init_optabs): Initialize new optabs widen_ssum_optab,
15123 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15124 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15125 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15126 use instead of type of def.
15127 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15128 function implementation.
15129 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15130 widen_ssumv8hi): New.
15132 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15135 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15138 * c-decl.c (add_flexible_array_elts_to_size): New function.
15139 (finish_decl): Use it.
15141 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15143 * diagnostic.h: Include options.h.
15144 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15145 dependancies for diagnostic.h.
15146 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15148 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15150 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15151 (ssa_ro_call_cache_valid): Ditto.
15152 * tree-ssa-alias.c (sort_tags_by_id): New function.
15153 (init_transitive_clobber_worklist): Ditto.
15154 (add_to_worklist): Ditto.
15155 (mark_aliases_call_clobbered): Ditto.
15156 (compute_tag_properties): Ditto.
15157 (set_initial_properties): Ditto.
15158 (compute_call_clobbered): Ditto.
15159 (compute_may_aliases): Call compute_call_clobbered and grouping.
15160 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15161 (compute_flow_insensitive_aliasing): Grouping now happens in our
15163 (setup_pointers_and_addressables): Remove clobbering related code.
15164 (add_may_alias): Ditto.
15165 (replace_may_alias): Ditto.
15166 (get_nmt_for): Ditto.
15167 (create_global_var):
15168 (is_escape_site): Return an escape_type enumeration.
15169 * tree-flow-inline.h (is_call_clobbered): Global var does not
15170 imply call clobbered.
15171 (mark_call_clobbered): Take a reason for marking this. Remove
15172 marking of globalness, and cache invalidation.
15173 (clear_call_clobbered): Remove cache invalidation code.
15174 * tree-dfa.c (dump_variable): If details is on, dump the reason
15176 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15178 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15179 (struct var_ann_d): Ditto.
15180 (enum escape_type): New.
15181 (mark_call_clobbered): Adjust prototype.
15182 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15183 are never call clobbered.
15184 Record reasons for escaping.
15185 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15186 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15187 (ssa_ro_call_cache_valid): Ditto.
15188 (clobbered_v_may_defs): Ditto.
15189 (clobbered_vuses): Ditto.
15190 (ro_call_vuses): Ditto.
15191 (clobber_stats): New.
15192 (init_ssa_operands): Zero out clobber stats.
15193 (fini_ssa_operands): Print out clobber stats.
15194 (get_call_expr_operands): Pass callee fndecl to
15195 add_call_read_ops).
15196 (add_call_clobber_ops): Remove use of cache.
15197 Add use of PURE_CONST information.
15198 (add_call_read_ops): Remove use of cache.
15199 Add use of static not_read information.
15201 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15203 Introduce TLS descriptors for i386 and x86_64.
15204 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15205 (TARGET_ANY_GNU_TLS): New macro.
15206 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15207 (struct machine_function): Add tls_descriptor_call_expanded_p.
15208 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15209 (ix86_current_function_calls_tls_descriptor): Likewise.
15210 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15211 (override_options): Introduce gnu2 tls dialect.
15212 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15214 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15216 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15217 (ix86_init_machine_status): Initialize new field.
15218 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15219 (ix86_tls_module_base): New.
15220 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15221 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15222 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15223 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15224 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15225 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15226 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15227 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15228 * config/i386/predicates.md (tls_modbase_operand): New.
15229 (tp_or_register_operand): New.
15231 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15233 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15234 (look_for_address_of): Ditto.
15235 (ipa_init): Walk the function decls.
15236 (static_execute): Don't set readonly on FUNCTION_DECL's.
15238 2006-01-18 Roger Sayle <roger@eyesopen.com>
15240 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15241 for shifts where the source and destination registers are different.
15243 2006-01-18 Paul Brook <paul@codesourcery.com>
15245 Merge from csl-arm-branch.
15246 2005-03-14 Julian Brown <julian@codesourcery.com>
15247 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15248 (aeabi_llsl): Likewise.
15249 (ashrdi3): Likewise.
15250 (aeabi_lasr): Likewise.
15251 (lshrdi3): Likewise.
15252 (aeabi_llsr): Likewise.
15253 2005-03-10 Julian Brown <julian@codesourcery.com>
15254 * config.gcc: Disable shared libgcc for SymbianOS.
15255 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15257 2006-01-18 DJ Delorie <dj@redhat.com>
15259 * c-pragma.c (handle_pragma_diagnostic): New.
15260 (init_pragma): Register it.
15261 * doc/extend.texi: Document it.
15263 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15264 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15265 (diagnostic_context): Add classify_diagnostic[].
15266 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15267 as errors if they're overridden to DK_WARNING.
15268 (diagnostic_initialize): Initialize classify_diagnostic[].
15269 (diagnostic_set_kind_override): New.
15270 (diagnostic_report_diagnostic): Check for kind changes.
15271 * opts.c (common_handle_option): Take lang_mask. Update callers.
15272 Handle OPT_Werror_.
15273 * common.opt (Werror=): New.
15274 * doc/invoke.texi: Document -Werror=*
15276 2006-01-18 Jeff Law <law@redhat.com>
15278 * tree-vrp.c (test_for_singularity): Correct test for new
15279 min limit. Use operand_equal_p rather than pointer equality
15280 for testing if new min/max values are equal.
15282 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15283 using range information until after propagation and folding.
15285 2006-01-18 Richard Henderson <rth@redhat.com>
15286 Aldy Hernandez <aldyh@redhat.com>
15287 Jakub Jelinek <jakub@redhat.com>
15288 Diego Novillo <dnovillo@redhat.com>
15290 * omp-low.c: New file.
15291 * c-omp.c: New file.
15293 2006-01-18 Richard Henderson <rth@redhat.com>
15294 Jakub Jelinek <jakub@redhat.com>
15295 Diego Novillo <dnovillo@redhat.com>
15297 * doc/invoke.texi: Document -fopenmp.
15298 * tree-dump.h (debug_function): Declare.
15299 * hooks.c (hook_bool_tree_bool_false): New function.
15300 (hook_tree_tree_null): Remove.
15301 (hook_tree_tree_tree_null): New.
15302 * hooks.h: Update to match.
15303 * tree-pretty-print.c (debug_tree_chain): New.
15304 (print_generic_expr): Handle TDF_CHAIN.
15305 (dump_generic_node): Handle BLOCK.
15306 Do not abort with incomplete SWITCH_EXPRs.
15307 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15308 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15309 print space after directive name.
15310 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15311 Handle OMP_MASTER and OMP_ORDERED.
15312 Handle printing of OMP_BODY just in one place, goto
15313 dump_omp_body in the rest of OMP_* nodes that have
15315 Don't handle clause nodes here. Update omp statements to
15316 use dump_omp_clauses.
15317 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15318 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15319 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15320 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15321 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15322 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15323 Adjust output for GOMP_PARALLEL.
15324 (dump_omp_clauses): New.
15325 (print_declaration): Dump DECL_VALUE_EXPR.
15326 (op_symbol_1): Split out of op_symbol.
15327 (dumping_stmts): Remove. Update all users.
15328 * cgraph.c (cgraph_analyze_queue): New.
15329 (cgraph_add_new_function): New.
15330 * cgraph.h (cgraph_analyze_queue): Declare.
15331 (cgraph_add_new_function): Declare.
15332 (cgraph_lower_function): Remove.
15333 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15334 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15335 and TYPE_P nodes in its default clause.
15336 (empty_body_p): New.
15337 (tree_range_check_failed): New.
15338 (build5_stat): New.
15339 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15340 OMP_CLAUSE_REDUCTION_MERGE,
15341 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15342 OMP_CLAUSE_PRIVATE_DEBUG,
15343 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15344 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15345 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15346 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15347 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15348 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15349 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15350 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15351 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15352 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15353 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15354 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15355 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15356 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15357 (TREE_RANGE_CHECK): New.
15358 (empty_body_p): Declare.
15359 (enum omp_clause_default_kind): New.
15360 (build_string_literal): Declare.
15361 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15362 (build5_stat, build5): Declare.
15363 * tree-pass.h (TDF_CHAIN): Define.
15364 * tree-pass.h (PROP_gimple_lomp): Define.
15365 (pass_lower_omp): Declare.
15366 * diagnostic.h (debug_tree_chain): Declare.
15367 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15369 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15370 * builtins.c (build_string_literal): Make extern.
15371 * gcc.c (include_spec_function): New.
15372 (static_spec_functions): Add it.
15373 (main): Move load of libgomp.spec ...
15374 (LINK_COMMAND_SPEC): ... here.
15375 (link_gomp_spec): New.
15376 (static_specs): Include it.
15377 (LINK_COMMAND_SPEC): Add link_gomp.
15378 (GOMP_SELF_SPECS): New.
15379 (driver_self_specs): Include it.
15380 (switch_matches): Don't mark inline.
15381 (main): Load libgomp.spec.
15382 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15383 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15384 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15385 * tree-gimple.h (enum omp_parallel): Declare.
15386 (determine_parallel_type): Declare.
15387 (omp_firstprivatize_variable): Declare.
15388 (omp_reduction_init): Declare.
15389 (diagnose_omp_structured_block_errors): Declare.
15390 (struct walk_stmt_info): Add want_return_expr.
15391 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15392 (find_omp_clause): Declare.
15393 (insert_field_into_struct): Declare.
15394 (struct walk_stmt_info): Move from tree-nested.c
15395 (walk_stmts): Declare.
15396 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15398 * cgraphunit.c (cgraph_lower_function): Make static.
15399 (cgraph_finalize_pending_functions): New.
15400 (cgraph_finalize_function): Call it.
15401 (cgraph_finalize_compilation_unit): Likewise.
15402 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15403 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15404 (BT_FN_UINT_UINT): New.
15405 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15406 DEF_FUNCTION_TYPE_VAR_4): Document.
15407 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15408 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15409 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15410 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15411 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15412 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15413 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15414 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15415 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15416 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15417 into separate files.
15418 (DEF_GOMP_BUILTIN): New.
15419 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15420 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15421 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15422 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15423 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15424 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15425 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15426 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15427 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15428 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15429 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15430 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15431 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15432 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15433 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15434 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15435 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15436 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15437 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15438 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15439 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15440 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15441 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15442 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15443 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15444 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15445 * sync-builtins.def: New file, moved from builtins.def.
15446 * omp-builtins.def: New file, moved from builtins.def.
15447 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15448 * gimple-low.c (lower_function_body): Clear data.
15449 (lower_stmt): Do not handle COMPOUND_EXPR.
15450 Remove call to print_node_brief.
15451 * c-tree.h (c_finish_omp_clauses): New prototype.
15452 (C_DECL_THREADPRIVATE_P): Define.
15453 (lookup_name_no_remap, c_omp_remap_private): Remove
15454 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15455 (check_for_loop_decls): Update decl.
15456 (lookup_name_no_remap, c_omp_remap_private): Declare.
15457 (build_indirect_ref, build_modify_expr, pushdecl,
15458 pushdecl_top_level): Move to c-common.h.
15459 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15460 before the switch, but just in the 2 places that need it.
15461 * c-decl.c (diagnose_mismatched_decls): Do not check for
15462 mismatched thread-local attributes when OLDDECL is marked
15463 threadprivate and NEWDECL has no thread-local attributes.
15464 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15465 (c_gimple_diagnostics_recursively): Rename from
15466 c_warn_unused_result_recursively. Invoke
15467 diagnose_omp_structured_block_errors.
15468 (check_for_loop_decls): Return a singular decl found.
15469 * langhooks.c (lhd_omp_predetermined_sharing): Return
15470 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15471 (lhd_omp_firstprivatize_type_sizes): New.
15472 (lhd_omp_assignment): New.
15473 (lhd_omp_predetermined_sharing): New.
15474 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15475 (struct lang_hooks_for_types): Add
15476 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15477 omp_predetermined_sharing, omp_disregard_value_expr,
15478 omp_private_debug_clause, omp_clause_default_ctor,
15479 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15480 (c_finish_omp_clauses): New.
15481 (c_finish_bc_stmt): Diagnose break within omp for.
15482 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15483 (build_unary_op): Return error_mark after reporting
15485 (build_modify_expr): Likewise.
15486 * gimplify.c: Include optabs.h and pointer-set.h.
15487 (enum gimplify_omp_var_data): Declare.
15488 (struct gimplify_omp_ctx): Declare.
15489 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15491 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15492 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15493 (splay_tree_compare_decl_uid): New.
15494 (new_omp_context): New.
15495 (delete_omp_context): New.
15496 (gimple_add_tmp_var): Call omp_add_variable.
15497 (gimplify_bind_expr): Likewise.
15498 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15499 true, disregard DECL_VALUE_EXPR on the decl if any.
15500 (gimplify_expr_in_ctx): New.
15501 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15502 omp_add_variable, omp_notice_variable, omp_is_private
15503 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15504 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15505 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15506 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15507 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15508 gimplify_omp_atomic): New.
15509 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15510 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15511 OMP_CRITICAL and OMP_ATOMIC.
15512 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15513 * c-pragma.h (enum pragma_kind): Add
15514 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15515 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15516 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15517 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15518 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15519 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15520 PRAGMA_OMP_THREADPRIVATE.
15521 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15522 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15523 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15524 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15525 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15526 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15527 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15528 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15529 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15530 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15531 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15532 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15533 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15535 (struct nesting_info): Add field_map,
15536 suppress_expansion, debug_var_chain.
15537 (create_nesting_tree): Initialize them.
15538 (lookup_field_for_decl): Use field_map.
15539 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15540 (convert_local_omp_clauses): New.
15541 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15542 (walk_body): Split out of walk_function.
15543 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15544 (convert_nonlocal_reference): Handle omp statements.
15545 (convert_local_reference): Likewise.
15546 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15547 (unnest_nesting_tree): New.
15548 (lower_nested_functions): Call it.
15549 (insert_field_into_struct): Make extern.
15550 (struct walk_stmt_info): Move to tree-gimple.h.
15551 (walk_stmts): Make extern.
15552 * omp-builtins.def: New file.
15553 * tree-iterator.c (expr_only): Clarify comment.
15554 * c-common.h (pushdecl_top_level, pushdecl,
15555 build_modify_expr, build_indirect_ref,
15556 c_finish_omp_master, c_finish_omp_critical,
15557 c_finish_omp_ordered, c_finish_omp_barrier,
15558 c_finish_omp_atomic, c_finish_omp_flush,
15559 c_finish_omp_for, c_split_parallel_clauses,
15560 omp_clause_default_kind, c_omp_sharing_predetermined,
15561 c_omp_remap_decl): Declare.
15562 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15563 (OBJS-common): Add omp-low.o.
15564 (c-omp.o, omp-low.o): Add.
15565 (gimplify.o): Add dependency on $(OPTABS_H).
15566 (GTFILES): Add omp-low.c.
15567 (gt-stringpool.h): Add.
15568 * tree-cfg.c (set_bb_for_stmt): Do not update the
15569 block-to-labels map if we are currently expanding to RTL.
15570 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15572 Handle IDENTIFIER_NODE.
15573 (tree_verify_flow_info): Do not ICE when emitting error
15574 messages about invalid labels.
15575 (dump_function_to_file): Reset CFUN before emitting the body
15577 (debug_function): New.
15578 * passes.c (init_optimization_passes): Schedule
15580 * langhooks-def.h (lhd_omp_predetermined_sharing,
15581 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15583 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15584 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15585 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15586 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15587 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15588 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15589 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15590 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15591 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15592 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15593 (LANG_HOOK_DECLS): Use them.
15595 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15596 Richard Henderson <rth@redhat.com>
15597 Jakub Jelinek <jakub@redhat.com>
15598 Diego Novillo <dnovillo@redhat.com>
15600 * c-parser.c (pragma_omp_clause): Define.
15601 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15602 (c_parser_compound_statement): Likewise.
15603 (c_parser_statement): Likewise.
15604 (c_parser_pragma): Handle omp pragmas.
15605 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15606 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15607 (c_parser_omp_clause_name, check_no_duplicate_clause,
15608 c_parser_omp_variable_list,
15609 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15610 c_parser_omp_clause_copyprivate,
15611 c_parser_omp_clause_default,
15612 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15613 c_parser_omp_clause_lastprivate,
15614 c_parser_omp_clause_nowait,
15615 c_parser_omp_clause_num_threads,
15616 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15617 c_parser_omp_clause_reduction,
15618 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15619 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15620 c_parser_omp_atomic, c_parser_omp_barrier,
15621 c_parser_omp_critical, c_parser_omp_flush,
15622 c_parser_omp_for_loop, c_parser_omp_for,
15623 c_parser_omp_master, c_parser_omp_ordered,
15624 c_parser_omp_sections_scope, c_parser_omp_sections,
15625 c_parser_omp_parallel, c_parser_omp_single,
15626 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15627 * c-pragma.c (init_pragma): Do omp pragma registration here.
15628 * c.opt (fopenmp): New flag.
15630 2006-01-18 Eric Christopher <echristo@apple.com>
15632 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15633 * config/darwin.h (GOMP_SELF_SPECS): Define.
15635 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15637 * rtl.h: Remove the prototype for reg_alloc.
15639 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15642 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15643 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15644 sjlj and dwarf2 exception handling.
15645 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15646 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15647 * pa/pa.c (function_value): Treat complex and vector types as
15649 (function_arg): Likewise. Only pass scalar floats in the floating
15650 point argument registers.
15651 * pa/t-slibgcc-dwarf-ver: New file.
15652 * pa/t-slibgcc-sjlj-ver: New file.
15653 * pa/t-slibgcc-elf-ver: Delete file.
15655 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15657 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15658 unlikely_test_section_p test.
15660 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15662 * mode-switching.c (optimize_mode_switching): Make it static.
15663 * basic-block.h: Remove the prototype for
15664 optimize_mode_switching.
15666 * modulo-sched.c (sms_schedule): Make it static.
15667 * rtl.h: Remove the prototype for sms_schedule.
15669 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15670 * rtl.h: Remove the prototype for gcse_after_reload_main.
15672 * reg-stack.c (reg_to_stack): Make it static.
15673 * rtl.h: Remove the prototype for reg_to_stack.
15675 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15677 * rtl.h: Remove the prototypes for regrename_optimize and
15678 copyprop_hardreg_forward.
15680 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15682 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15683 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15684 Test against the appropriate null constant for the mode.
15685 If 'fixup_overlap' is true, swap the operands if they overlap.
15686 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15687 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15688 alpha_split_tmode_pair and adjust for above change.
15689 * config/alpha/alpha.md (movtf_internal): Adjust call to
15690 alpha_split_tfmode_pair and rely on it to swap the operands.
15691 (movti_internal): New insn and post-reload splitter.
15692 (movti): New expander.
15694 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15696 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15699 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15701 * rtlanal.c (global_reg_mentioned_p_1,
15702 global_reg_mentioned_p): Remove.
15703 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15705 * flow.c (initialize_uninitialized_subregs): Make it static.
15706 * rtl.h: Remove the prototype for
15707 initialize_uninitialized_subregs.
15709 * function.c (instantiate_virtual_regs): Make it static.
15710 * function.h: Remove the prototype for
15711 instantiate_virtual_regs.
15713 * regmove.c (regmove_optimize, combine_stack_adjustments):
15715 * rtl.h: Remove the prototypes for regmove_optimize and
15716 combine_stack_adjustments.
15718 2006-01-17 Roger Sayle <roger@eyesopen.com>
15720 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15721 (size_cost): Encode costs in bytes so that a reg-reg addition is
15722 equivalent to COSTS_N_INSNS(1).
15723 (override_options): Use the size_cost.branch_cost as the default
15724 ix86_branch_cost when optimizing for size.
15726 2006-01-18 Ben Elliston <bje@au.ibm.com>
15728 * Makefile.in (D32PBIT_FUNCS): New.
15729 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15730 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15731 D64PBIT_FUNCS and D128PBIT_FUNCS.
15732 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15733 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15735 (decnumber_dep): Define.
15736 * doc/libgcc.texi (Decimal float library routines): New node.
15737 * config/dfp-bit.h, config/dfp-bit.c: New files.
15739 2006-01-18 Ben Elliston <bje@au.ibm.com>
15741 * expr.c (emit_move_change_mode): Always adjust addresses, not
15742 just during reload. Copy replacements only during reload.
15743 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15744 emit_move_via_integer.
15746 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15748 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15749 instead of $(srcdir) and ${srcdir}.
15751 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15754 PR middle-end/11135
15755 * arm.h (struct machine_function): Add pic_reg.
15756 * arm.c (arm_pic_register): Make unsigned.
15757 (arm_override_options): Only set arm_pic_register if
15758 TARGET_SINGLE_PIC_BASE.
15759 (use_return_insn): Only test for a pic register if it is fixed.
15760 (arm_compute_save_reg0_reg12_mask): Likewise.
15761 (thumb_compute_save_reg_mask): Likewise.
15762 (legitimate_pic_operand): Factor out some known invariants.
15763 (legitimize_pic_address): If we don't have a fixed pic register,
15764 then set up a pseudo in the function entry sequence. Handle the
15765 pic base being in a pseudo.
15766 (arm_load_pic_register): Handle the pic register being in a pseudo.
15767 (arm_expand_prologue): Only set up the pic register if it is fixed.
15768 (thumb_expand_prologue): Likewise.
15769 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15770 (pic_load_addr_based_insn): Likewise.
15771 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15774 2006-01-18 Ben Elliston <bje@au.ibm.com>
15776 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15777 decimal float modes for all floating point registers.
15779 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15780 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15782 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15785 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15786 even when the pointer is not NULL.
15788 2006-01-16 Ian Lance Taylor <ian@airs.com>
15790 * common.opt (ftoplevel-reorder): New option.
15791 * cgraph.c (cgraph_asm_nodes): New global variable.
15792 (cgraph_asm_last_node): New static variable.
15793 (cgraph_order): New global variable.
15794 (cgraph_create_node): Set new order field.
15795 (cgraph_varpool_node): Likewise.
15796 (decide_is_variable_needed): Return true if not
15797 flag_toplevel_reorder.
15798 (cgraph_add_asm_node): New function.
15799 * cgraph.h (struct cgraph_node): Add order field.
15800 (struct cgraph_varpool_node): Add order field.
15801 (struct cgraph_asm_node): Define.
15802 (cgraph_asm_nodes, cgraph_order): Declare.
15803 (cgraph_add_asm_node): Declare.
15804 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15806 (cgraph_varpool_assemble_pending_decls): Call it.
15807 (cgraph_output_pending_asms): New static function.
15808 (cgraph_finalize_compilation_unit): Call it.
15809 (struct cgraph_order_sort): Define.
15810 (cgraph_output_in_order): New static function.
15811 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15812 !flag_toplevel_reorder case.
15813 * c-parser.c: Include "cgraph.h".
15814 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15816 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15817 than -fno-unit-at-a-time.
15818 * doc/invoke.texi (Option Summary): Mention
15819 -fno-toplevel-reorder.
15820 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15821 -funit-at-a-time documentation.
15823 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15824 Kazu Hirata <kazu@codesourcery.com>
15826 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15828 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15830 * Makefile.in (FUNCTION_H): New. Use it instead of
15831 function.h throughout the file.
15832 * function.h: Include tree.h.
15834 2006-01-17 Ben Elliston <bje@au.ibm.com>
15836 * recog.c: Separate some functions with whitespace.
15838 2006-01-16 Richard Henderson <rth@redhat.com>
15840 Merge from gomp branch:
15841 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15842 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15843 and rename from struct inline_data. Rename callee* to dst*;
15844 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15845 transform_new_cfg, transform_return_to_modify, and
15846 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15848 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15849 (copy_decl_for_dup): Remove.
15850 * tree-inline.c (struct inline_data): Move to header.
15851 (insert_decl_map): Export.
15852 (remap_decl): Update for member name changes. Use copy_decl hook.
15853 Allow for replacement to be a non-decl. Remove dead code.
15854 (remap_type_1): Check for existing mapping.
15855 (remap_type): Export.
15856 (remap_decls): Update for member name changes.
15857 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15858 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15859 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15860 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15861 (tree_function_versioning, build_duplicate_type): Likewise.
15862 (copy_body_r): Likewise. Export.
15863 (copy_decl_for_dup): Split into ...
15864 (copy_decl_for_dup_finish, copy_decl_to_var,
15865 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15866 (replace_ref_tree, inlining_p): Remove.
15868 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15870 * ifcvt.c (if_convert): Make it static.
15871 * rtl.h: Remove the prototype for if_convert.
15873 * local-alloc.c (local_alloc): Make it static.
15874 * rtl.h: Remove the prototype for local_alloc.
15876 * loop.c (loop_optimize): Make it static.
15877 * cfgloop.h: Remove the prototype for loop_optimize.
15880 2006-01-16 DJ Delorie <dj@redhat.com>
15882 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15885 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15887 * pa.md: Disparage copies between general and floating-point registers
15888 in 32-bit move patterns.
15890 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15893 * Makefile.in (check-%): Depend on site.exp instead of
15894 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15897 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15899 * global.c (global_alloc): Make it static.
15900 * rtl.h: Remove the prototype for global_alloc.
15902 2006-01-16 Richard Guenther <rguenther@suse.de>
15904 * tree-ssa-alias.c (struct used_part): Add write_only field.
15905 (get_or_create_used_part_for): Initialize it to true.
15906 (create_overlap_variables_for): Don't create structure variables
15907 for structures that only are written to.
15908 (find_used_portions): Handle MODIFY_EXPR to track whether a
15909 structure is only written to.
15911 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15913 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15915 * basic-block.h: Remove the prototype for
15916 partition_hot_cold_basic_blocks.
15918 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15920 * cppspec.c (lang_specific_spec_functions): Remove.
15921 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15922 * gcc.h (lang_specific_spec_functions): Remove.
15923 * gccspec.c (lang_specific_spec_functions): Remove.
15925 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15927 * combine.c (record_value_for_reg): Invalidate registers
15929 (record_dead_and_set_regs_1): Likewise, by passing them to
15930 record_value_for_reg.
15931 (record_dead_and_set_regs): Invalidate stores made by a
15932 call. We do not combine across a call, but we still
15933 relied on equivalences.
15935 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15937 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15938 vrp_int_const_binop returning non-constant nodes.
15940 2006-01-16 Paul Brook <paul@codesourcery.com>
15942 * config/m68k/m68k.c (output_move_const_into_data_reg):
15943 Output correct mnemonic for mvz and mvs.
15945 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15947 * rtl-factoring.c: Add sequence abstraction algorithm.
15948 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15949 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15951 (block_has_preserve_label): New function.
15952 * common.opt: Register new pass.
15953 * Makefile.in: Ditto.
15955 * timevar.def: Ditto.
15956 * tree-pass.h: Ditto.
15957 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15958 * rtl.h (make_jump_insn_raw): Add forward decl.
15959 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15961 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15962 Roger Sayle <roger@eyesopen.com>
15964 * fold-const.c (fold_minmax): New static function.
15965 (fold_binary) <MIN_EXPR>: Call it.
15966 <MAX_EXPR>: Likewise.
15967 * stor-layout.c (place_field): Use DECL_SIZE consistently
15968 in the computation of the new record size.
15970 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15972 * cse.c (cse_condition_code_reg): Make it static.
15973 * rtl.h: Remove the prototype for cse_condition_code_reg.
15975 * combine.c (combine_instructions): Make it static.
15976 * rtl.h: Remove the prototype for combine_instructions.
15978 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15981 * tree.c (get_file_function_name_long): Concatenate the first global
15982 object name with a string derived from the input filename of the object
15985 2006-01-16 Ben Elliston <bje@au.ibm.com>
15987 * config/i386/winnt-stubs.c: Update FSF address.
15988 * config/xtensa/ieee754-df.S: Ditto.
15989 * config/xtensa/ieee754-sf.S: Ditto.
15991 2006-01-14 Ian Lance Taylor <ian@airs.com>
15993 * ifcvt.c (noce_init_if_info): New static function, broken out of
15994 noce_process_if_block.
15995 (noce_process_if_block): Call noce_init_if_info.
15996 (check_cond_move_block): New static function.
15997 (cond_move_process_if_block): New static function.
15998 (process_if_block): Call cond_move_process_if_block.
16000 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16002 * cselib.c (hash_table): Rename to cselib_hash_table.
16003 (cselib_clear_table, discard_useless_values,
16004 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16005 cselib_init, cselib_finish): Adjust uses of hash_table.
16007 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16009 PR tree-optimization/25485
16010 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16011 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16012 is known to be false and true, respectively.
16014 2006-01-14 Richard Guenther <rguenther@suse.de>
16016 PR tree-optimization/22548
16017 PR tree-optimization/22555
16018 PR tree-optimization/22501
16019 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16020 * params.def (salias-max-array-elements): New parameter.
16021 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16022 * doc/invoke.texi (salias-max-array-elements): Document.
16023 * tree-flow-inline.h (var_can_have_subvars): We also handle
16025 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16027 * tree-ssa-structalias.c (params.h): Include.
16028 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16029 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16030 (get_constraint_for): For ADDR_EXPR operating on something
16031 containing an ARRAY_REF, add all subvars to the solution.
16032 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16033 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16034 for creating MUST_DEFs.
16035 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16037 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16039 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16041 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16042 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16043 number_of_iterations_le): New functions.
16044 (number_of_iterations_special): Removed.
16045 (number_of_iterations_exit): Do not use number_of_iterations_special.
16046 * tree.c (unsigned_type_for): Always return integer type.
16048 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16049 Richard Guenther <rguenther@suse.de>
16051 PR rtl-optimization/24257
16052 * gcse.c (find_moveable_store): Only consider a store movable
16053 when the SET_SRC of the insn can be assigned to a register.
16055 2006-01-14 Ian Lance Taylor <ian@airs.com>
16057 * tree.c (tree_not_class_check_failed): New function.
16058 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16059 (tree_not_class_check_failed): Declare.
16061 2006-01-13 Ian Lance Taylor <ian@airs.com>
16063 * reload1.c (do_output_reload): Add assertion rejecting a
16066 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16068 * combine.c (struct reg_stat): Add new fields truncation_label and
16070 (record_value_for_reg): Reset truncated_to_mode.
16071 (record_truncated_value): New function.
16072 (check_promoted_subreg): Call it. Rename to check_conversions.
16073 (combine_instructions): Rename check_promoted_subreg to
16075 (reg_truncated_to_mode): New function.
16076 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16077 (gen_lowpart_or_truncate): New function.
16078 (force_to_mode): Use it instead of gen_lowpart.
16080 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16082 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16083 VAR is a tag, not its type tag.
16085 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16087 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16088 alternatives to match style of other entries.
16089 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16091 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16093 PR tree-optimization/25771
16094 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16097 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16100 * tree-inline.c (declare_return_variable): If the return variable
16101 was marked as a non gimple complex, set the return slot variable
16102 to be a non gimple comple variable.
16104 2006-01-13 Richard Guenther <rguenther@suse.de>
16106 * builtins.c (expand_builtin_sincos): New function.
16107 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16109 (expand_builtin): Expand sincos using expand_builtin_sincos.
16111 2006-01-12 DJ Delorie <dj@redhat.com>
16113 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16114 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16115 so that constant shifts can be split.
16116 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16117 (m32c_valid_pointer_mode): Make static.
16118 (shift_gen_func_for): New.
16119 (m32c_prepare_shift): Use it. Split large const shifts into
16121 * config/m32c/predicates.md (shiftcount_operand): Allow more
16123 (longshiftcount_operand): New.
16124 * doc/md.texi (Machine Constraints): Document In6.
16126 2006-01-13 Ben Elliston <bje@au.ibm.com>
16128 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16129 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16132 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16134 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16135 to try to avoid clobbering pieces of structures when we know
16136 something about the whole structure.
16137 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16139 2006-01-13 Ben Elliston <bje@au.ibm.com>
16141 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16142 return in memory, as this is no limitation is no longer present.
16144 2006-01-12 DJ Delorie <dj@redhat.com>
16146 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16147 mova with fb, and for fb+0 -> An.
16149 * config/m32c/mov.md (peephole2): Fix enabling logic.
16151 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16152 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16153 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16154 FINI_ARRAY_SECTION_ASM_OP): Define.
16156 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16158 (m32c_legitimize_reload_address): New logic to reload FB to An.
16159 (m32c_output_reg_push): Add newline.
16160 (m32c_output_reg_pop): Likewise.
16162 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16164 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16166 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16168 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16170 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16172 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16175 2006-01-11 Ben Elliston <bje@au.ibm.com>
16177 * rtlanal.c (find_reg_note): Assert insn is not null.
16179 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16181 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16184 2006-01-11 Jeff Law <law@redhat.com>
16186 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16188 (mark_threaded_blocks, register_jump_thread): New functions.
16189 (thread_through_all_blocks): Remove unwanted argument. No
16190 longer rely on e->aux to communicate thread target info.
16191 Call mark_threaded_blocks. Release the threaded_blocks
16192 bitmap and threaded_edges vector when complete.
16193 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16194 (threaded_blocks): Remove.
16195 (tree_ssa_dominator_optimize): Remove initialization and
16196 finalization of threaded_blocks. Simplify call to
16197 thread_through_all_blocks.
16198 (thread_across_edge): Call register_jump_thread rather than
16199 storing thread information into e->aux.
16200 (free_all_edge_infos): Simplify now that e->aux is no longer
16201 used to communicate with thread_through_all_blocks.
16202 * tree-flow.h (thread_through_all_blocks): Update prototype.
16203 (register_jump_thread): Prototype.
16205 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16207 * df-core.c (df_compact_blocks, df_bb_replace): Use
16208 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16210 2006-01-11 Richard Guenther <rguenther@suse.de>
16212 PR tree-optimization/25734
16213 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16214 stop propagation after successful propagation to the LHS.
16216 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16218 * basic-block.h (control_flow_graph): Change the type of
16219 x_basic_block_info to VEC(basic_block,gc) *.
16220 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16222 (SET_BASIC_BLOCK): New.
16223 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16224 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16225 * cfgbuild.c (find_basic_blocks): Likewise.
16226 * cfglayout.c (fixup_reorder_chain): Likewise.
16227 * cfgrtl.c (create_basic_block_structure,
16228 rtl_create_basic_block): Likewise.
16229 * ifcvt.c (find_if_case_1): Likewise.
16230 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16233 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16235 * Makefile.in: Removed rotted odf.c entry.
16237 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16240 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16241 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16242 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16243 output pattern modifier, not %e.
16244 * config/cris/cris.c (cris_op_str): Update comment about pattern
16246 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16247 before falling through into...
16248 <case 'E'>: Redefined from old 'e' case.
16250 2006-01-11 Jan Hubicka <jh@suse.cz>
16253 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16255 2006-01-11 Jan Hubicka <jh@suse.cz>
16257 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16258 * i386.c (x86_decompose_lea): Kill.
16259 (ix86_rtx_costs): Kill.
16261 2006-01-11 Jan Hubicka <jh@suse.cz>
16263 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16264 * cgraph.h (cgraph_node): Add inline_decl.
16265 (cgraph_insert_node_to_hashtable): Declare.
16266 (save_inline_function_body): Declare.
16267 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16269 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16270 (cgraph_function_versioning): Update call of tree_function_versioning.
16271 (save_inline_function_body): New function.
16272 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16273 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16274 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16275 (cgraph_default_inline_p): Likewise.
16276 (cgraph_decide_inlining_incrementally): Likewise.
16277 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16278 (copy_bb): Kill saving; do updating of clones.
16279 (copy_cfg_body): Kill saving.
16280 (initialize_inlined-parameters): Likewise.
16281 (expand_call_inline): Likewise.
16283 (tree_function_versioning): New parameter "update_clones".
16284 (inlining_p): Kill saving.
16285 * tree-inline.h (tree_function_versioning): Update prototype.
16286 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16289 2006-01-11 Ian Lance Taylor <ian@airs.com>
16291 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16292 Allow undoing set of machine mode.
16293 (do_SUBST): Use enums instead of is_int.
16294 (do_SUBST_MODE): New function.
16295 (SUBST_MODE): New macro.
16296 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16297 reg and trying to replace reg_regno_rtx with a new register.
16298 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16299 (simplify_set): Use SUBST_MODE.
16300 (distribute_notes): Remove code that tried to update reg notes
16301 for regno_reg_rtx changes.
16303 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16305 PR tree-optimization/23109
16306 PR tree-optimization/23948
16307 PR tree-optimization/24123
16309 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16310 * tree-cfg.c (single_noncomplex_succ): New.
16311 * tree-flow.h (single_noncomplex_succ): Declare it.
16312 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16313 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16314 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16315 insert_bb, register_division_in, insert_reciprocals,
16316 replace_reciprocal, free_bb): New.
16317 (execute_cse_reciprocals_1): Rewritten.
16318 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16319 Do not commit any edge insertion. Always compute dominators and
16320 create the allocation pool.
16321 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16322 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16323 * targhooks.c (default_min_divistions_for_recip_mul): New.
16324 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16325 * passes.c (init_optimization_passes): Run recip after tree loop
16327 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16329 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16330 Kenneth Zadeck <zadeck@naturalbridge.com>
16332 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16333 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16334 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16335 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16336 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16337 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16338 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16339 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16340 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16341 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16342 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16343 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16344 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16345 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16346 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16347 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16348 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16349 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16350 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16351 DF_SCAN_POST_ALLOC): New macros.
16352 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16353 df_free_bb_function, df_local_compute_function, df_init_function,
16354 df_dataflow_function, df_confluence_function_0,
16355 df_confluence_function_n, df_transfer_function,
16356 df_finalizer_function, df_free_function, df_dump_problem_function,
16357 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16358 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16359 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16360 df_urec_bb_info, ) New types.
16361 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16363 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16364 df_analyze_simple_change_some_blocks,
16365 df_analyze_simple_change_one_block, df_compact_blocks,
16366 df_bb_replace, df_bb_regno_last_use_find,
16367 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16368 df_insn_regno_def_p, df_find_def, df_find_use,
16369 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16370 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16371 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16372 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16373 debug_df_chain, df_get_dependent_problem, df_chain_create,
16374 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16375 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16376 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16377 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16378 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16379 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16380 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16381 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16382 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16383 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16384 df_reorganize_refs, df_set_state, df_hard_reg_init,
16385 df_read_modify_subreg_p) New public functions.
16386 * df-core.c: The core dataflow solver and glue routines for rtl
16388 (df_init, df_add_problem, df_set_blocks, df_finish,
16389 df_hybrid_search_forward, df_hybrid_search_backward,
16390 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16391 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16392 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16393 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16394 df_reg_defined, df_find_use, df_reg_used, df_dump,
16395 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16396 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16397 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16398 debug_df_useno, reset_df_after_reload): New functions.
16399 * df-scan.c: The scanning fuctions, once in df.c, completely
16400 rewritten so that they now fully model the functionality of
16401 register usage at the backend.
16402 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16403 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16404 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16405 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16406 df_get_artificial_defs, df_get_artificial_uses,
16407 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16408 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16409 df_refs_delete, df_reorganize_refs, df_set_state,
16410 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16411 df_def_record_1, df_defs_record, df_uses_record,
16412 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16413 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16414 df_record_exit_block_uses, df_hard_reg_init): New functions.
16416 * df-problems.c: Seven concrete dataflow problems that use the
16417 scanning in df-scan.c and are solved by the engine in df-core.c.
16418 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16419 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16420 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16421 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16422 df_ru_free_bb_info, df_ru_alloc,
16423 df_ru_bb_local_compute_process_def,
16424 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16425 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16426 df_ru_transfer_function, df_ru_free, df_ru_dump,
16427 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16428 df_rd_free_bb_info, df_rd_alloc,
16429 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16430 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16431 df_rd_transfer_function, df_rd_free, df_rd_dump,
16432 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16433 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16434 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16435 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16436 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16437 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16438 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16439 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16440 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16441 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16442 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16443 df_urec_mark_reg_use_for_earlyclobber,
16444 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16445 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16446 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16447 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16448 df_chain_create_bb_process_use, df_chain_create_bb,
16449 df_chain_finalize, df_chain_free, df_chains_dump,
16450 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16451 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16452 df_reg_lifetime): New functions.
16453 * df.c: Deleted file.
16454 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16455 consistent with new df api.
16456 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16457 rest_of_handle_sms): Ditto.
16458 * web.c (unionfind_union, union_defs, entry_register, web_main):
16460 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16461 invariant_expr_equal_p, find_defs, check_dependencies,
16462 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16463 free_inv_motion_data, move_loop_invariants): Ditto.
16464 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16465 Update dependencies.
16466 (odf.c): Added defective entry that was deleted later in day.
16467 * sched-deps.c (sched_analyze_1): Ditto.
16469 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16471 * tree-ssa-operands.c (get_expr_operands): Record addressable
16472 variables directly. Do not call add_stmt_operands for CONST_DECLs
16474 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16475 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16477 2006-01-11 Ben Elliston <bje@au.ibm.com>
16479 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16480 function returns true in the positive case.
16482 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16485 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16486 for SI, DI, SF and DF modes. Add alternatives to copy between
16487 general and floating point registers to the 32-bit patterns.
16488 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16489 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16490 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16491 generating 64-bit code.
16492 * config/pa/pa.c (output_move_double): Handle copies between general
16493 and floating registers.
16495 2006-01-10 Stuart Hastings <stuart@apple.com>
16497 * config/i386/i386.md (set_got): Update.
16498 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16499 (builtin_setjmp_receiver): Mach-O support.
16500 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16501 (GOT_SYMBOL_NAME): Define.
16502 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16503 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16504 * config/i386/i386.c (override_options): Revise for Darwin.
16505 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16506 support. (darwin_x86_file_end): New. (output_set_got): Add label
16507 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16508 * config/i386/i386-protos.h (output_set_got): Likewise.
16509 * config/darwin.c (machopic_legitimize_pic_address): Update
16512 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16514 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16515 when MODE isn't BLKmode.
16517 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16519 PR rtl-optimization/25367
16520 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16522 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16525 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16526 for a negative bound.
16528 2006-01-10 Richard Guenther <rguenther@suse.de>
16530 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16531 Never override with anything constraint.
16533 2006-01-10 Jan Beulich <jbeulich@novell.com>
16535 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16536 256 bits when optimize_size.
16538 2006-01-10 Jan Beulich <jbeulich@novell.com>
16540 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16542 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16543 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16546 2006-01-10 Ben Elliston <bje@au.ibm.com>
16548 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16550 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16551 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16552 (USE_FP_FOR_ARG): Reject decimal float modes.
16553 (function_arg_advance): Likewise.
16554 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16555 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16556 point types in AltiVec vectors.
16557 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16558 (rs6000_libcall_value): Likewise.
16560 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16562 * config/xtensa/ieee754-df.S: New file.
16563 * config/xtensa/ieee754-sf.S: New file.
16564 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16565 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16566 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16568 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16570 * config/sh/predicates.md (binary_float_operator,
16571 binary_logical_operator, commutative_float_operator,
16572 equality_comparison_operator, greater_comparison_operator,
16573 less_comparison_operator, logical_operator,
16574 noncommutative_float_operator, shift_operator,
16575 symbol_ref_operand, unary_float_operator): Remove redundant
16578 2006-01-09 Jeff Law <law@redhat.com>
16580 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16581 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16582 now unused arguments. Callers updated.
16583 (eliminate_redundant_computations): Remove now unused arguments,
16585 (local_fold): Remove, no longer used.
16586 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16588 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16589 (simplify_cond): New function.
16590 (forward_propagate_into_cond): Call simplify_cond.
16592 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16594 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16595 (*vec_extractv2di_1_sse): New.
16597 2006-01-09 Ben Elliston <bje@au.ibm.com>
16599 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16601 2006-01-08 Richard Guenther <rguenther@suse.de>
16603 * tree-ssa-structalias.c (get_constraint_for): Remove
16604 anyoffset argument.
16605 (get_constraint_for_component_ref): Likewise.
16606 (do_deref): Likewise.
16607 (get_constraint_for): Likewise.
16608 (do_structure_copy): Likewise.
16609 (handle_ptr_arith): Likewise.
16610 (find_func_aliases): Likewise. Remove unused need_anyoffset
16613 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16614 Kaz Kojima <kkojima@gcc.gnu.org>
16616 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16617 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16618 (EXTRA_CONSTRAINT_C16): Remove.
16619 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16620 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16621 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16622 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16623 constants of SHmedia. Handle nested constant expressions of
16625 (andcosts): Fix the costs for SHmedia constants.
16626 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16627 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16628 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16629 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16630 (movv4hi_i, movv2si_i): Likewise.
16631 (movsi_const): Adjust the second operand of ior so to match with
16632 the Csu constraint.
16633 (movdi_const, movdi_const_32bit): Likewise.
16634 (movdi_const_16bit+1): Don't sign-extend LOW.
16635 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16637 (*double_shori): Fix the split condition. Use GEN_INT instead
16638 of get_int_mode calls. Mask lower 16-bit of the argument of
16640 (sym2GOTPLT): Remove.
16641 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16643 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16644 instead of EXTRA_CONSTRAINT_C16.
16646 2006-01-07 Ian Lance Taylor <ian@airs.com>
16647 David Edelsohn <edelsohn@gnu.org>
16649 PR rtl-optimization/25662
16650 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16651 for constant operands instead of simplify_gen_binary.
16652 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16653 after trying simplify_binary_operation
16655 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16657 * tree.c (iterative_hash_expr): Hash decls based on UID.
16659 2006-01-06 Eric Christopher <echristo@apple.com>
16661 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16662 (TARGET_UNWIND_EMIT): Fix spelling.
16663 * target.h (gcc_target): Add except_table_label.
16664 * except.c (output_function_exception_table): Use.
16665 * varasm.c (default_emit_except_table_label): New.
16666 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16668 (asm_out): Add here.
16669 * output.h (default_emit_except_table_label): Prototype.
16670 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16671 * config/darwin.c (darwin_emit_except_table_label): Define.
16672 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16674 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16676 PR tree-optimization/18527
16677 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16678 number_of_iterations_special, number_of_iterations_exit):
16679 Move base and step of an iv to a single structure. Add
16680 no_overflow flag, and use it in # of iterations analysis.
16681 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16682 folded_casts argument.
16683 (simple_iv): Pass base and step in a structure. Set no_overflow
16685 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16686 Evaluate expensiveness of computing # of iterations instead of
16687 the final expression.
16688 * tree-scalar-evolution.h (affine_iv): New structure.
16689 (simple_iv): Declaration changed.
16690 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16691 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16692 find_givs_in_stmt): Changed due to simple_iv change.
16694 2006-01-06 Jeff Law <law@redhat.com>
16697 * tree-cfg.c (bsi_replace): Rename final argument from
16698 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16699 change (stmt -> orig_stmt).
16700 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16701 (bsi_remove): Add new argument. Remove EH information
16703 (verify_eh_throw_table_statements): New function.
16704 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16706 * tree-optimize.c (execute_free_cfg_annotations): Verify
16707 the EH throw statement table after removing annotations.
16708 * except.h (verify_eh_throw_table_statements): Prototype.
16709 * tree-flow.h (bsi_remove): Update prototype.
16710 * tree-vrp.c (remove_range_assertions): Add new argument to
16712 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16713 * tree-complex.c (expand_complex_div_wide): Likewise.
16714 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16715 * tree-tailcall.c (eliminate_tailcall): Likewise.
16716 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16717 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16718 * tree-nrv.c (tree_nrv): Likewise.
16719 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16720 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16721 (combine_blocks): Likewise.
16722 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16723 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16724 (cleanup_control_flow): Likewise.
16725 (remove_forwarder_block): Likewise.
16726 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16727 * tree-sra.c (sra_replace): Likewise.
16728 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16729 (forward_propagate_single_use_vars): Likewise.
16730 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16731 * tree-inline.c (expand_call_inline): Likewise.
16732 * tree-vect-transform.c (vect_transform_loop): Likewise.
16733 * tree-outof-ssa.c (rewrite_trees): Likewise.
16734 * tree-cfg.c (make_goto_expr_edges): Likewise.
16735 (cleanup_dead_labels): Likewise.
16736 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16737 (bsi_move_before, bsi_move_after): Likewise.
16738 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16739 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16741 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16744 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16746 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16747 on non gimple variables. Also add checks at the top for decls and
16749 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16751 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16752 and IMAGPART_EXPR for creating MUST_DEFs.
16753 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16754 and NAME_MEMORY_TAG separately from the DECLs.
16756 2006-01-06 Richard Guenther <rguenther@suse.de>
16758 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16759 annotation, if necessary.
16760 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16761 redundant calls to update_stmt.
16762 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16765 2006-01-05 Richard Henderson <rth@redhat.com>
16767 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16769 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16771 * c-typeck.c: Update copyright date.
16773 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16775 * c-typeck.c (build_c_cast): Always warn when casting
16776 from a pointer to an integer of different size, even if
16777 the node was constant.
16779 2006-01-05 Richard Guenther <rguenther@suse.de>
16781 PR tree-optimization/22555
16782 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16783 if one structure field is an array.
16784 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16785 operands even if we found a subvar, but ignore VOPs in this
16787 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16789 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16791 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16793 PR middle-end/24998
16794 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16796 2006-01-05 Richard Guenther <rguenther@suse.de>
16797 Diego Novillo <dnovillo@redhat.com>
16799 * tree-pass.h (TODO_remove_unused_locals): Define.
16800 * gimple-low.c (expand_var_p, remove_useless_vars,
16801 pass_remove_useless_vars): Remove. Update all users.
16802 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16803 (remove_unused_locals): New function.
16804 * tree-flow.h (remove_unused_locals): Declare.
16805 * passes.c (execute_todo): Call remove_unused_locals if
16806 TODO_remove_unused_locals is set.
16807 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16808 * tree-ssa-dce.c (pass_dce): Likewise.
16809 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16811 2006-01-05 Richard Guenther <rguenther@suse.de>
16813 * tree-flow.h (struct fieldoff): Decompose field to
16814 type, size and decl.
16815 * tree-ssa-alias.c (create_sft): Take type as parameter.
16816 (create_overlap_variables_for): Store type, size and decl
16817 in the fieldoff structure.
16818 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16819 of struct fieldoff.
16820 (push_fields_onto_fieldstack): Likewise.
16821 (create_variable_info_for): Likewise. Use offset for the
16822 SFT name if the decl is not available.
16824 2006-01-04 Paul Brook <paul@codesourcery.com>
16826 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16828 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16830 * lambda-code.c (can_put_in_inner_loop): Relax
16832 (can_put_after_inner_loop): New function.
16833 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16834 (perfect_nestify): Change to make copies and modify uses.
16836 2006-01-04 Richard Henderson <rth@redhat.com>
16838 Merge from gomp branch:
16839 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16840 via integer constant.
16841 (pragma_lex): Remove.
16842 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16843 rather than parsing it.
16844 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16845 handle_pragma_extern_prefix): Add %< %> quotes.
16846 (registered_pragmas): New.
16847 (c_register_pragma_1): New.
16848 (c_register_pragma): Use it.
16849 (c_register_pragma_with_expansion): Likewise.
16850 (c_invoke_pragma_handler): New.
16851 (init_pragma): Use cpp_register_deferred_pragma directly for
16853 * c-pragma.h (enum pragma_kind): New.
16854 (pragma_handler): New.
16855 (c_invoke_pragma_handler): Declare.
16856 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16858 * c-common.h (c_common_pch_pragma): Update decl.
16859 * Makefile.in (c-parser.o): Update dependencies.
16860 (GTFILES): Add c-pragma.h.
16861 * c-parser.c (struct c_token): Add pragma_kind.
16862 (struct c_parser): Add in_pragma.
16863 (c_lex_one_token): Always initialize keyword and pragma_kind.
16864 Extract data for CPP_PRAGMA.
16865 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16866 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16867 Don't allow CPP_PRAGMA_EOL if in_pragma.
16868 (c_parser_consume_pragma): New.
16869 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16870 (c_parser_skip_to_end_of_parameter): Likewise.
16871 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16872 (c_parser_skip_to_pragma_eol): New.
16873 (c_parser_external_declaration): Handle CPP_PRAGMA.
16874 (c_parser_compound_statement_nostart): Likewise.
16875 (c_parser_statement_after_labels): Likewise.
16876 (c_parser_pragma): New.
16877 (pragma_lex): Likewise.
16878 (c_parser_pragma_pch_preprocess): New.
16879 (c_parser_new): Merge into ...
16880 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16882 2006-01-04 Jeff Law <law@redhat.com>
16885 * tree-cfg.c (bsi_replace): Remove the original statement
16886 from the EH throw statement table.
16888 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16890 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16891 make the prototype extern "C" and add throw ().
16894 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16895 and pos non-negative and pos + len <= 32.
16896 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16897 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16898 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16901 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16902 as well as sizes not multiple of component size.
16905 * function.c (instantiate_expr): New function.
16906 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16907 walk its DECL_VALUE_EXPR with instantiate_expr.
16909 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16910 DW_OP_deref{,_size} if address isn't going to be added.
16912 2006-01-04 Ben Elliston <bje@au.ibm.com>
16914 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16915 * config/fp-bit.c: Likewise.
16917 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16919 * dominance.c: Add comment about why we use DFS numbering
16922 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16923 Richard Henderson <rth@redhat.com>
16925 Merge from gomp-branch:
16926 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16927 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16929 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16931 PR rtl-optimization/25578
16932 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16933 pass a parameter to simplify_shift_const if changing ASHIFTRT
16936 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16938 * builtins.c (get_builtin_sync_mem): New function.
16939 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16940 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16941 Call get_builtin_sync_mem to generate mem rtx.
16943 2006-01-03 Richard Guenther <rguenther@suse.de>
16946 * stmt.c (add_case_node): Make sure to clear overflow flags
16949 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16951 Merge from gomp-branch.
16952 * config/sparc/sync.md: New file.
16953 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16954 UNSPECV_LDSTUB): New constants.
16955 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16956 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16957 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16960 2006-01-03 Roger Sayle <roger@eyesopen.com>
16962 * combine.c (reg_subword_p): New predicate to test whether the
16963 destination of a set refers to a subword/piece of a register.
16964 (try_combine): Generalize the code to merge the setting of a
16965 pseudo to a constant followed by a set of a subword of that
16966 register to a constant.
16968 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16970 * basic-block.h (control_flow_graph): Change the type of
16971 x_label_to_block_map to VEC(basic_block,gc) *.
16972 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16973 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16975 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16976 VEC(basic_block,heap) *.
16977 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16978 ssa_prop_fini): Adjust the uses of cfg_blocks.
16980 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16982 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16984 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16985 hashing trees instead of a pointer hash.
16986 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16987 compare for MEM_EXPR.
16989 PR rtl-optimization/25130
16990 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16991 when comparing MEMs for GCSE
16993 2006-01-03 Ben Elliston <bje@au.ibm.com>
16995 * targhooks.h (default_decimal_float_supported_p): Declare.
16996 * targhooks.c (default_decimal_float_supported_p): Define.
16997 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16998 `default_decimal_float_supported_p'.
16999 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17001 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17003 * combine.c (apply_distributive_law <SUBREG>): Check
17004 TRULY_NOOP_TRUNCATION.
17006 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17008 * dwarf2out.c (have_switched_text_section): Delete.
17009 (have_multiple_function_sections): New.
17010 (have_location_lists): Make 'bool'.
17011 (add_AT_loc_list): Use 'true' not '1'.
17012 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17013 (output_loc_list): Use have_multiple_function_sections.
17014 (output_ranges): Likewise.
17015 (dwarf2out_begin_function): Set have_multiple_function_sections if
17017 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17018 Check function_section rather than DECL_SECTION_NAME.
17019 (dwarf2out_finish): Use have_multiple_function_sections.
17020 Don't clear have_location_lists.
17022 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17023 Jan Hubicka <jh@suse.cz>
17025 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17026 case of conditional jump jumping to the next instruction.
17027 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17028 cases of conditional jump jumping to the next instruction.
17030 2006-01-02 Jan Hubicka <jh@suse.cz>
17032 * i386.c (*_cost): Add COSTS_N_INSNS.
17033 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17035 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17038 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17040 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17042 * config/arm/arm.c (all_fpus): Fix comment typo.
17043 * config/darwin.c: Likewise.
17044 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17045 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17046 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17048 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17050 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17051 (rs6000_split_compare_and_swapqhi): New.
17052 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17053 (sync_compare_and_swapqhi_internal): New.
17054 * config/rs6000/rs6000-protos.h: Declare.