1 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3 * coverage.c (coverage_checksum_string): Update comment.
4 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5 of get_file_function_name.
6 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
7 of get_file_function_name_long.
8 * tree.c (get_file_function_name): Rename from
9 get_file_function_name_long; improve comment; handle 'I' and 'D'
10 specially when the target has ctor/dtor support; remove special
12 (get_file_function_name): Remove.
13 * tree.h (get_file_function_name): Rename from
14 get_file_function_name_long.
15 (get_file_function_name): Remove prototype.
17 2006-10-31 Geoffrey Keating <geoffk@apple.com>
19 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
20 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
22 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
23 Call dsymutil when compiling and linking one or more source files
26 2006-10-31 Geoffrey Keating <geoffk@apple.com>
29 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
31 2006-10-31 Geoffrey Keating <geoffk@apple.com>
33 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
34 inline static functions in c99 mode.
37 * doc/extend.texi (Inline): Update.
38 * c-tree.h (struct language_function): Remove field 'extern_inline'.
39 * c-decl.c (current_extern_inline): Delete.
40 (pop_scope): Adjust test for an undefined nested function.
41 Add warning about undeclared inline function.
42 (diagnose_mismatched_decls): Update comments. Disallow overriding
43 of inline functions in a translation unit in C99. Allow inline
44 declarations in C99 at any time.
45 (merge_decls): Boolize variables. Handle C99 'extern inline'
47 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
49 (start_function): Don't clear current_extern_inline. Don't set
51 (c_push_function_context): Don't push current_extern_inline.
52 (c_pop_function_context): Don't restore current_extern_inline.
55 * c-typeck.c (build_external_ref): Warn about static variables
56 used in extern inline functions.
57 * c-decl.c (start_decl): Warn about static variables declared
58 in extern inline functions.
60 2006-10-31 Roger Sayle <roger@eyesopen.com>
63 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
64 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
65 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
66 or y is an even integer.
68 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
71 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
72 * gthr-posix95.h (__gthread_active_p): Likewise.
74 2006-10-31 Richard Guenther <rguenther@suse.de>
76 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
77 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
78 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
79 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
80 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
81 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
82 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
83 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
86 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
88 * opts.c (decode_options): Disable CSE skip blocks.
90 2006-10-30 Dirk Mueller <dmueller@suse.de>
92 * c-common.h (strict_aliasing_warning): Fix whitespace.
93 * c-decl (start_function): Move code for main decl warning ..
94 * c-common.c (check_main_parameter_types): .. here.
95 * c-common.h (check_main_parameter_types): Declare.
97 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
100 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
102 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
104 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
105 be a PARALLEL containing sets. Return false when out_pat is not
108 2006-10-30 Richard Sandiford <richard@codesourcery.com>
110 * config/mips/mips.md (mul<mode>3): Split into...
111 (mulsi3, muldi3): ...these separate patterns.
113 2006-10-30 Richard Sandiford <richard@codesourcery.com>
115 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
116 but with each set of options separated by spaces.
118 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
120 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
121 dwarf_reg_size_table has been initialized.
123 2006-10-30 Roger Sayle <roger@eyesopen.com>
125 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
126 * ddg.c (print_ddg_edge): Likewise.
127 * dwarf2out.c (prune_unused_types_walk): Likewise.
128 * ifcvt.c (noce_try_cmove_arith): Likewise.
129 * langhooks.c (add_builtin_function): Likewise.
130 * reg-stack.c (subst_stack_regs_pat): Likewise.
131 * tree.c (expanded_location): Likewise.
132 * tree-dump.c (dequeue_and_dump): Likewise.
134 2006-10-30 David Daney <ddaney@avtrex.com>
136 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
138 2006-10-30 Jakub Jelinek <jakub@redhat.com>
140 PR tree-optimization/29637
141 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
142 of the innertype is the innertype itself.
144 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
146 * dwarf2out.c (file_name_acquire): Correct typo.
148 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
150 * tree.h (tree_value_handle): Remove struct value_set declaration.
151 Change value_set to bitmap_set.
152 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
153 * tree-vn.c (get_value_handle): Made inline and moved to
155 * tree-flow-inline.h: (has_stmt_ann): New function.
156 * tree-ssa-pre.c (expressions): New variable.
157 (next_expression_id): Ditto.
158 (alloc_expression_id): New function.
159 (struct value_set): Remove.
160 (get_expression_id): New function.
161 (get_or_alloc_expression_id): Ditto.
162 (expression_for_id): Ditto.
163 (clear_expression_ids): Ditto.
164 (FOR_EACH_EXPR_ID_IN_SET): New macro.
165 (bb_value_sets): Renamed to bb_bitmap_sets.
166 All value sets replaced with bitmap_sets.
168 (BB_VISITED): New macro.
169 (postorder): New variable.
170 (add_to_value): Removed.
171 (value_exists_in_set_bitmap): Ditto.
172 (value_insert_into_set_bitmap): Ditto.
176 (set_contains_value): Ditto.
177 (insert_into_set): Ditto.
179 (find_leader): Ditto.
180 (bitmap_set_subtract_from_value_set): Ditto.
181 (value_insert_into_set): Ditto.
182 (print_value_set): Ditto.
183 (debug_value_set): Ditto.
184 (constant_expr_p): New function.
185 (bitmap_remove_from_set): Ditto.
186 (bitmap_insert_into_set): Ditto.
187 (bitmap_set_free): Ditto.
189 (sorted_array_from_bitmap_set): Ditto.
190 (bitmap_set_subtract): Ditto.
191 (bitmap_set_equal): Ditto.
192 (debug_bitmap_set): Ditto.
193 (find_leader_in_sets): Ditto.
194 (bitmap_set_replace_value): Modify for bitmapped sets.
195 (phi_translate): Ditto.
196 (phi_translate_set): Ditto.
197 (bitmap_find_leader): Ditto.
198 (valid_in_sets): Ditto.
199 (union_contains_value): Ditto.
201 (compute_antic_aux): Ditto. Mark changed blocks.
202 (compute_antic): Ditto. Iterate in postorder and only over
204 (compute_rvuse_and_antic_safe): Reuse postorder.
205 (create_component_ref_by_pieces): Modify for bitmapped sets.
206 (find_or_generate_expression): Ditto.
207 (create_expression_by_pieces): Ditto.
208 (insert_into_preds_of_block): Ditto.
209 (changed_blocks): New variable.
210 (do_regular_insertion): Broken out from insert_aux.
211 (insert_aux): Modified for bitmapped sets.
212 (find_existing_value_expr): New function.
213 (create_value_expr_from): Use it.
214 (insert_extra_phis): Removed.
215 (print_bitmap_set): Renamed from bitmap_print_value_set.
216 (compute_avail): Handle RETURN_EXPR.
217 (init_pre): Modify for bitmapped sets.
218 * tree-flow.h (has_stmt_ann): New function.
220 2006-10-29 Roger Sayle <roger@eyesopen.com>
222 * builtins.c (fold_builtin_floor): Check for the availability of
223 the C99 trunc function before transforming floor into trunc.
225 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * builtins.c (fold_builtin_hypot): Rearrange recursive
228 transformation before others, and also do ABS_EXPR. When
229 necessary, check flag_unsafe_math_optimizations. When necessary,
232 2006-10-29 Roger Sayle <roger@eyesopen.com>
234 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
235 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
236 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
237 Fold -X eq/ne -Y as X eq/ne Y.
239 2006-10-29 Richard Sandiford <richard@codesourcery.com>
241 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
242 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
243 rather than GENERATE_MULT3_SI in the various define_peephole2s.
244 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
245 Use an inclusive test for "mult" rather than "mul".
246 (rotr<mode>3): Depend on ISA_HAS_ROR.
247 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
249 (GENERATE_MULT3_DI): Delete.
250 (ISA_HAS_64BIT_REGS): Use consistent formatting.
251 (ISA_HAS_MUL3): New macro.
252 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
253 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
254 (ISA_HAS_CLZ_CLO): Likewise.
255 (ISA_HAS_DCLZ_DCLO): Delete.
256 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
257 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
258 the VR4120 and VR4130.
259 (ISA_HAS_MACCHI): Use consistent formatting.
260 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
261 (ISA_HAS_ROR): ...this new macro.
262 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
263 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
264 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
266 2006-10-29 Roger Sayle <roger@eyesopen.com>
268 PR tree-optimization/15458
269 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
272 2006-10-29 Richard Guenther <rguenther@suse.de>
274 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
275 (ix86_expand_truncdf_32): Likewise.
276 * config/i386/i386.c (ix86_expand_trunc): New function expanding
277 trunc inline for SSE math and -fno-trapping-math and if not
279 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
280 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
281 for expanding btrunc inline for SSE math.
283 2006-10-29 Joseph Myers <joseph@codesourcery.com>
285 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
286 Handle tuning for bi-arch i[34567]86-*-linux* like that for
287 i[34567]86-*-solaris2.1[0-9]*.
288 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
289 Define conditionally depending on TARGET_64BIT_DEFAULT.
290 (SPEC_32, SPEC_64): Define.
291 (LINK_SPEC): Use them.
292 * doc/install.texi (--enable-targets=all): Document for x86-linux.
294 2006-10-29 Richard Guenther <rguenther@suse.de>
296 * config/i386/i386-protos.h (ix86_expand_round): Declare.
297 (ix86_expand_rounddf_32): Likewise.
298 * config/i386/i386.c (ix86_expand_round): New function expanding
299 round inline for SSE math and -fno-trapping-math and if not
301 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
302 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
303 round via ix86_expand_round.
305 2006-10-29 Richard Guenther <rguenther@suse.de>
307 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
308 (ix86_expand_floorceildf_32): Likewise.
309 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
310 static helper function.
311 (ix86_expand_floorceil): Expander for floor and ceil to SSE
313 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
314 * config/i386/i386.md (floordf2): Adjust to enable floor
315 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
316 -fno-trapping-math is enabled and if not optimizing for size.
317 (floorsf2, ceildf2, ceilsf2): Likewise.
318 * config/i386/sse.md (sse_maskcmpsf3): New insn.
319 (sse2_maskcmpdf3): Likewise.
321 2006-10-29 Richard Guenther <rguenther@suse.de>
323 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
324 rint in case -fno-trapping-math is enabled.
325 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
326 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
327 (ix86_expand_sse_fabs): Likewise.
328 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
329 * config/i386/i386.md (rintdf2): Enable for SSE math if
330 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
333 2006-10-29 Richard Guenther <rguenther@suse.de>
335 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
336 to conversion optabs.
337 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
339 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
340 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
341 (lfloor_optab, lceil_optab): Adjust defines.
342 * builtins.c (expand_builtin_int_roundingfn): Adjust for
343 lfloor and lceil optabs now being conversion optabs.
344 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
345 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
346 New static helper function.
347 (ix86_expand_lfloorceil): New function to expand lfloor and
349 * config/i386/i386.md (lfloor<mode>2): Split into ...
350 (lfloorxf<mode>2): ... x87 variant
351 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
352 using ix86_expand_lfloorceil.
353 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
355 * doc/md.texi (lfloorMN, lceilMN): Document.
357 2006-10-29 Richard Sandiford <richard@codesourcery.com>
359 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
360 -mno-shared assembler option on mips targets.
361 * configure, config.in: Regenerate.
362 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
363 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
364 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
366 2006-10-29 Richard Sandiford <richard@codesourcery.com>
368 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
369 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
371 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
373 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
374 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
377 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
380 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
381 (fold_builtin_pow): Evaluate constant arguments at compile-time
383 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
384 (do_mpfr_ckconv): New helper function.
385 (do_mpfr_arg1): Use do_mpfr_ckconv.
388 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
391 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
392 (-fdump-rtl-sched): Rename to ..
393 (-fdump-rtl-sched1): here. Also fix file extension number.
395 2006-10-28 Richard Guenther <rguenther@suse.de>
397 * fold-const.c (maybe_canonicalize_comparison): Fix code
400 2006-10-28 Uros Bizjak <uros@kss-loka.si>
402 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
403 (NON_QI_REG_P): Use IN_RANGE.
404 (REX_INT_REGNO_P): Use IN_RANGE.
405 (FP_REGNO_P): Use IN_RANGE.
406 (SSE_REGNO_P): Use IN_RANGE.
407 (REX_SSE_REGNO_P): Use IN_RANGE.
408 (MMX_REGNO_P): Use IN_RANGE.
409 (STACK_REGNO_P): New macro.
410 (STACK_REG_P): Use STACK_REGNO_P.
411 (NON_STACK_REG_P): Use STACK_REGNO_P.
412 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
413 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
414 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
415 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
416 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
418 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
420 * except.h (output_function_exception_table): Add 'const char*' param.
421 * except.c (switch_to_exception_section): Add 'const char*' param.
422 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
423 and flag_function_sections is set, use a function-specific section.
424 (output_function_exception_table): Add 'const char*' param.
425 Adjust call to switch_to_exception_section.
426 * final.c (rest_of_handle_final): Adjust calls to
427 output_function_exception_table.
428 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
429 * config.in: Regenerate.
430 * configure: Likewise.
432 2006-10-28 Richard Guenther <rguenther@suse.de>
435 * fold-const.c (maybe_canonicalize_comparison_1): Helper
436 for maybe_canonicalize_comparison.
437 (maybe_canonicalize_comparison): New function for canonicalizing
439 (fold_comparison): Call it to canonicalize comparisons with
442 2006-10-28 Richard Guenther <rguenther@suse.de>
445 * builtins.c (expand_builtin_int_roundingfn_2): Expand
446 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
447 (expand_builtin): Adjust likewise.
448 * genopinit.c (optabs[]): Add lround optab.
449 * optabs.c (init_optabs): Initialize lround_optab.
450 * optabs.h (enum convert_optab_index): Add COI_lround.
451 (lround_optab): Define.
452 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
453 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
455 (ix86_expand_lround): New function.
456 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
458 * doc/md.texi (lroundMN2): Document.
460 2006-10-28 Uros Bizjak <uros@kss-loka.si>
463 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
464 argument to HOST_WIDE_INT. Update function prototype.
465 (round_frame_size): Change return type to HOST_WIDE_INT. Change
466 "size" argument to HOST_WIDE_INT. Update function prototype.
468 2006-10-28 Uros Bizjak <uros@kss-loka.si>
470 * config/i386/i386.c (output_387_ffreep): Create output from a
471 template string for !HAVE_AS_IX86_FFREEP.
473 2006-10-27 Eric Christopher <echristo@apple.com>
475 * config/darwin.c: Fix formatting and grammar.
477 2006-10-27 Jan Hubicka <jh@suse.cz>
479 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
480 to be thrown away soon when IGNORE is set.
481 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
482 indicating when return value shall not be computed.
483 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
485 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
487 * config/i386/i386.h (TARGET_GEODE):
488 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
489 (TARGET_CPU_DEFAULT_geode): New macro.
490 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
491 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
492 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
493 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
494 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
496 (TARGET_CPU_DEFAULT_NAMES): Add geode.
497 (processor_type): Add PROCESSOR_GEODE.
499 * config/i386/i386.md: Include geode.md.
502 * config/i386/i386.c (geode_cost): New initialized global
504 (m_GEODE, m_K6_GEODE): New macros.
505 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
506 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
507 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
508 x86_schedule): Use m_K6_GEODE instead of m_K6.
509 (x86_movx, x86_cmove): Set up m_GEODE.
510 (x86_integer_DFmode_moves): Clear m_GEODE.
511 (processor_target_table): Add entry for geode.
512 (processor_alias_table): Ditto.
514 * config/i386/geode.md: New file.
516 * doc/invoke.texi: Add entry about geode processor.
518 2006-10-27 Mike Stump <mrs@apple.com>
520 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
521 __DYNAMIC__ from here back to ...
522 * config/darwin.h (CPP_SPEC): ... here.
524 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
525 Nathan Sidwell <nathan@codesourcery.com>
527 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
528 when choosing the minimum heapsize.
530 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
532 * gcc/unwind-dw2.h: Move cfa-related variables into
533 struct frame_state_reg_info to ensure that the CFA is properly
534 handled when executing DW_CFA_{remember,restore}_state.
535 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
536 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
537 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
538 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
539 gcc/config/rs6000/linux-unwind.h,
540 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
541 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
542 Modify to use new cfa_* fields.
544 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
546 * config/s390/s390.c (s390_init_frame_layout): Check positive
549 2006-10-26 Ben Elliston <bje@au.ibm.com>
551 * gimplify.c (get_name): Remove extraneous break.
552 (gimplify_omp_for): Initialise ret with GS_OK.
554 2006-10-25 Steve Ellcey <sje@cup.hp.com>
556 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
557 Add unix98.o to link line.
559 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
562 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
563 Calculate compile-time constants using MPFR.
564 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
565 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
567 2006-10-25 Bob Wilson <bob.wilson@acm.org>
569 * config/xtensa/lib2funcs.S: Use C-style comments.
571 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
573 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
574 (file_table_relative_p): Likewise.
575 (dwarf2out_finish): Likewise.
576 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
578 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
580 * tree-ssa-structalias.c (intra_create_variable_infos):
581 Don't recreate nonlocal_all if it already exists.
583 2006-10-25 Richard Guenther <rguenther@suse.de>
586 * optabs.h (enum optab_index): Remove OTI_lrint.
587 (enum convert_optab_index): Add COI_lrint.
588 (lrint_optab): Adjust.
589 (expand_sfix_optab): Declare.
590 * optabs.c (expand_sfix_optab): New function.
591 (init_optabs): Init lrint_optab as conversion optab.
592 * genopinit.c (lrint_optab): Change to a conversion optab.
593 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
594 expansion via conversion optab.
595 * config/i386/i386.md (*fistdi2_1): Remove
596 flag_unsafe_math_optimizations guard.
597 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
598 fist<mode>2_with_temp): Likewise.
599 (lrint<mode>2): Split into...
600 (lrintxf<mode>2): ... x87 part
601 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
602 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
603 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
604 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
605 * doc/md.texi (lrintMN2): Document.
607 2006-10-25 Uros Bizjak <uros@kss-loka.si>
610 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
611 Use inc and dec instructions for TARGET_USE_INCDEC.
612 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
613 ("sync_double_compare_and_swap<mode>"): Likewise.
614 ("*sync_double_compare_and_swapdi_pic"): Likewise.
615 ("*sync_compare_and_swap_cc<mode>"): Likewise.
616 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
617 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
618 ("sync_old_add<mode>"): Likewise.
619 ("sync_lock_test_and_set<mode>"): Likewise.
620 ("sync_lock_test_and_set<mode>"): Likewise.
621 ("sync_add<mode>"): Likewise.
622 ("sync_sub<mode>"): Likewise.
623 ("sync_ior<mode>"): Likewise.
624 ("sync_and<mode>"): Likewise.
625 ("sync_xor<mode>"): Likewise.
627 2006-10-25 Uros Bizjak <uros@kss-loka.si>
629 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
630 (remainder_optab): Define corresponding macro.
631 (drem_optab): Remove.
632 * optabs.c (init_optabs): Initialize remainder_optab. Remove
633 drem_optab initialization.
634 * genopinit.c (optabs): Implement remainder_optab using
635 remainder?f3 patterns. Remove drem_optab.
636 * builtins.c (expand_builtin_mathfn_2): Handle
637 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
638 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
639 expand_builtin_mathfn_2.
641 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
642 depend on flag_unsafe_math_optimizations.
644 * config/i386/i386.md ("remaindersf3", "remainderdf3")
645 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
646 Do not depend on flag_unsafe_math_optimizations. Use
647 truncxf?f expander instead of truncxf?f_i387_noop.
649 ("fpremxf4", "fprem1xf4"): Do not depend on
650 flag_unsafe_math_optimizations.
651 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
652 flag_unsafe_math_optimizations. Use truncxf?f expander
653 instead of truncxf?f_i387_noop.
655 * doc/md.texi (fmod, remainder): Document standard named pattern.
657 2006-10-24 Richard Sandiford <richard@codesourcery.com>
658 David Daney <ddaney@avtrex.com>
661 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
663 2006-10-25 Ben Elliston <bje@au.ibm.com>
665 * doc/extend.texi (Variable Attributes): Typo fix.
667 2006-10-24 Uros Bizjak <uros@kss-loka.si>
669 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
670 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
671 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
672 (FRAME_POINTER_REGNUM): Update register number to 21.
673 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
674 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
676 * config/i386/i386.c (regclass_map): Add fpcr entry.
677 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
679 (print_reg): Assert REGNO (x) != FPCR_REG.
681 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
682 (DIRFLAG_REG): Renumber.
683 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
684 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
685 (sse_prologue_save, *sse_prologue_save_insn): Renumber
686 hardcoded SSE register numbers.
688 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
689 hardcoded MMX register numbers.
691 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
694 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
695 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
697 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
698 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
699 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
700 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
702 2006-10-24 Richard Guenther <rguenther@suse.de>
705 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
706 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
707 for deciding optimizations in consistency with fold-const.c
708 (fold_builtin_unordered_cmp): Likewise.
710 2006-10-24 Richard Guenther <rguenther@suse.de>
712 * builtins.c (fold_builtin_floor): Fold floor (x) where
713 x is nonnegative to trunc (x).
714 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
715 nonnegative to FIX_TRUNC_EXPR.
717 2006-10-24 Richard Guenther <rguenther@suse.de>
719 PR tree-optimization/29567
720 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
721 for TRUTH_NOT_EXPR. Clarify comments.
723 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
726 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
727 at compile-time using MPFR. Change parameter VALUE to FUNC,
729 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
730 for overflow and underflow at all times and avoid folding in
733 2006-10-24 Ben Elliston <bje@au.ibm.com>
735 * reload1.c: Formatting fixes.
737 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
739 PR tree-optimization/14784
740 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
741 * tree-ssa-structalias.c (get_constraint_for,
742 intra_create_variable_infos): Set is_heapvar.
743 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
744 non-heapvar pointer variables specially.
746 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
749 * builtins.c (fold_builtin_sin, fold_builtin_cos,
750 fold_builtin_tan): Fold all constant arguments. Take a "type"
751 argument as necessary.
753 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
755 2006-10-23 Bob Wilson <bob.wilson@acm.org>
757 * config/xtensa/lib1funcs.asm: Use C-style comments.
759 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
761 * tree.c (local_define_builtin): Replace calls to
762 lang_hooks.builtin_function with add_builtin_function.
763 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
765 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
767 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
768 common code to add_builtin_function.
769 * langhooks.c (add_builtin_function): New function.
770 (lhd_builtin_function): New function.
771 * langhooks.h (struct lang_hooks): Change the signature of
773 (add_builtin_function): New function.
774 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
775 calls to lang_hooks.builtin_function with add_builtin_function.
776 * c-common.c (decl_builtin_1): Replace calls to
777 lang_hooks.builtin_function with add_builtin_function.
778 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
779 lang_hooks.builtin_function with add_builtin_function.
780 * config/frv/frv.c (def_builtin): Replace calls to
781 lang_hooks.builtin_function with add_builtin_function.
782 * config/s390/s390.c (s390_init_builtins): Replace calls to
783 lang_hooks.builtin_function with add_builtin_function.
784 * config/sparc/sparc.c (def_builtin): Replace calls to
785 lang_hooks.builtin_function with add_builtin_function.
786 * config/i386/i386.c (def_builtin): Replace calls to
787 lang_hooks.builtin_function with add_builtin_function.
788 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
789 lang_hooks.builtin_function with add_builtin_function.
790 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
791 lang_hooks.builtin_function with add_builtin_function.
792 * config/stormy16/stormy16.c (xstormy16_init_builtins):
793 Replace calls to lang_hooks.builtin_function with
794 add_builtin_function.
795 * config/iq2000/iq2000.c (def_builtin):
796 Replace calls to lang_hooks.builtin_function with
797 add_builtin_function.
798 * config/ia64/ia64.c (def_builtin): Replace calls to
799 lang_hooks.builtin_function with add_builtin_function.
800 * config/rs6000/rs6000.c (def_builtin): Replace calls to
801 lang_hooks.builtin_function with add_builtin_function.
802 (altivec_init_builtins): Replace calls to
803 lang_hooks.builtin_function with add_builtin_function.
804 * config/arm/arm.c (def_mbuiltin): Replace calls to
805 lang_hooks.builtin_function with add_builtin_function.
806 (arm_init_tls_builtins): Replace calls to
807 lang_hooks.builtin_function with add_builtin_function.
808 * config/mips/mips.c (mips_init_builtins): Replace calls to
809 lang_hooks.builtin_function with add_builtin_function.
810 * config/bfin/bfin.c (def_builtin): Replace calls to
811 lang_hooks.builtin_function with add_builtin_function.
812 * langhooks-def.h (lhd_builtin_function): New function.
813 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
815 2006-10-23 Jakub Jelinek <jakub@redhat.com>
817 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
818 BUILT_IN_STRNCAT_CHK.
820 2006-10-23 Jan Hubicka <jh@suse.cz>
822 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
823 don't do conversion from memmove to memcpy here.
824 (expand_builtin_bcopy, expand_builtin): Update call of
825 expand_builtin_memmove.
826 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
828 2006-10-23 Paul Brook <paul@codesourcery.com>
830 * stor-layout.c (start_record_layout): maximum_field_alignment
831 overrides STRUCTURE_SIZE_BOUNDARY.
833 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
835 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
836 nonlocal function symbols if flag_pic.
838 2006-10-23 Richard Guenther <rguenther@suse.de>
842 * builtins.c (fold_binary): Remove checks for flag_wrapv
843 and flag_trapv where negate_expr_p covers these cases.
845 2006-10-23 Richard Guenther <rguenther@suse.de>
848 * fold-const.c (fold_plusminus_mult_expr): Check exact power
849 of two on the absolute value.
850 (fold_binary): Fold x * -C to -x * C if x is easily negatable
851 and negating -C does not overflow.
853 2006-10-23 Richard Guenther <rguenther@suse.de>
856 * convert.c (convert_to_real): Fold (float)-x to -(float)x
857 only if not flag_rounding_math.
859 2006-10-22 Richard Sandiford <richard@codesourcery.com>
860 Kaz Kojima <kkojima@gcc.gnu.org>
863 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
864 SImode memory reference for the source of a movua.
865 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
866 (movua): Use an unspec instead of sign_extract. Expect the source
867 to have mode BLKmode.
868 (extv, insv): Use a BLKmode rather than SImode memory reference
869 for the source of a movua.
871 2006-10-22 Jeff Law <law@redhat.com>
872 Richard Guenther <rguenther@suse.de>
874 PR tree-optimization/15911
875 * tree-vrp.c (extract_code_and_val_from_cond): New function.
876 (register_edge_assert_for_1): Likewise.
877 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
878 (find_conditional_asserts): Adjust for new function signature.
879 (find_assert_locations): Likewise.
881 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
883 * config/i386/tmmintrin.h: Remove the duplicated content.
885 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
887 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
888 (x86_64-*-*): Likewise.
890 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
891 (override_options): Check SSSE3.
892 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
893 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
894 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
895 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
896 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
897 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
898 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
899 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
900 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
901 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
902 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
903 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
904 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
905 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
906 IX86_BUILTIN_PABSD128.
907 (bdesc_2arg): Add SSSE3.
908 (bdesc_1arg): Likewise.
909 (ix86_init_mmx_sse_builtins): Support SSSE3.
910 (ix86_expand_builtin): Likewise.
911 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
913 * config/i386/i386.md (UNSPEC_PSHUFB): New.
914 (UNSPEC_PSIGN): Likewise.
915 (UNSPEC_PALIGNR): Likewise.
916 Include mmx.md before sse.md.
918 * config/i386/i386.opt: Add -mssse3.
920 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
921 (ssse3_phaddwv4hi3): Likewise.
922 (ssse3_phadddv4si3): Likewise.
923 (ssse3_phadddv2si3): Likewise.
924 (ssse3_phaddswv8hi3): Likewise.
925 (ssse3_phaddswv4hi3): Likewise.
926 (ssse3_phsubwv8hi3): Likewise.
927 (ssse3_phsubwv4hi3): Likewise.
928 (ssse3_phsubdv4si3): Likewise.
929 (ssse3_phsubdv2si3): Likewise.
930 (ssse3_phsubswv8hi3): Likewise.
931 (ssse3_phsubswv4hi3): Likewise.
932 (ssse3_pmaddubswv8hi3): Likewise.
933 (ssse3_pmaddubswv4hi3): Likewise.
934 (ssse3_pmulhrswv8hi3): Likewise.
935 (ssse3_pmulhrswv4hi3): Likewise.
936 (ssse3_pshufbv16qi3): Likewise.
937 (ssse3_pshufbv8qi3): Likewise.
938 (ssse3_psign<mode>3): Likewise.
939 (ssse3_psign<mode>3): Likewise.
940 (ssse3_palignrti): Likewise.
941 (ssse3_palignrdi): Likewise.
942 (abs<mode>2): Likewise.
943 (abs<mode>2): Likewise.
945 * config/i386/tmmintrin.h: New file.
947 * doc/extend.texi: Document SSSE3 built-in functions.
949 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
951 2006-10-22 Ira Rosen <irar@il.ibm.com>
953 * tree-vect-transform.c (vectorizable_load): Use the type of the
954 return value of the mask_for_load builtin to create realign_load
957 2006-10-22 Richard Sandiford <richard@codesourcery.com>
959 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
962 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
964 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
965 (UNSPEC_LDDQU): This.
966 * config/i386/sse.md (sse3_lddqu): Updated.
968 2006-10-21 Richard Guenther <rguenther@suse.de>
970 * builtins.c (expand_builtin_int_roundingfn_2): New function.
971 (expand_builtin): Use it to expand lrint instead of
972 expand_builtin_mathfn.
974 2006-10-21 Uros Bizjak <uros@kss-loka.si>
977 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
978 flag_unsafe_math_optimizations is set.
980 2006-10-21 Uros Bizjak <uros@kss-loka.si>
983 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
984 patterns to use memory input operand in x87->mem->XMM
985 reload sequences. Skip transformation for TARGET_K8.
987 2006-10-21 Uros Bizjak <uros@kss-loka.si>
989 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
990 force operand1 to register if both operands are memory operands.
991 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
992 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
993 if both operands are memory operands.
994 (truncdfsf2): Do not force operand1 to register if both operands
997 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
999 * Makefile.in (LIBS): Add $(GMPLIBS).
1000 * doc/install.texi: Update GMP and MPFR requirements.
1001 * doc/sourcebuild.texi (need_gmp): Delete.
1003 2006-10-21 Richard Guenther <rguenther@suse.de>
1005 PR tree-optimization/3511
1006 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1007 got new invariant arguments during PHI translation.
1009 2006-10-21 Richard Guenther <rguenther@suse.de>
1012 * fold-const.c (fold_comparison): Fold signed comparisons
1013 of the form X +- C1 CMP Y +- C2.
1015 2006-10-21 Richard Guenther <rguenther@suse.de>
1018 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1019 if flag_unsafe_math_optimizations is specified. We have
1020 flag_finite_math_only for that.
1021 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1022 or flag_unsafe_math_optimizations.
1024 2006-10-21 Richard Guenther <rguenther@suse.de>
1026 * builtins.c (fold_builtin_classify): Fix typo.
1028 2006-10-21 Richard Guenther <rguenther@suse.de>
1031 * simplify-rtx.c (simplify_const_relational_operation):
1032 Do not constant-fold ORDERED and UNORDERED for
1033 flag_unsafe_math_optimizations but only we do not need to
1034 honor NaNs for the given mode.
1036 2006-10-21 Richard Guenther <rguenther@suse.de>
1039 * config/i386/i386.c (classify_argument): Remove redundant
1040 walking of the BINFOs.
1041 (contains_128bit_aligned_vector_p): Likewise.
1043 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1045 * BASE-VER: Set to 4.3.0.
1047 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1049 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1050 (tree_decl_with_vis): Remove artificial_pta_var flag.
1051 * tree-flow.h (referenced_var_check_and_insert): Expose.
1052 (nonlocal_all): New prototype.
1053 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1054 (nonlocal_all): Make global.
1055 (nonlocal_lookup): Remove.
1056 (nonlocal_insert): Ditto.
1057 (create_nonlocal_var): Do not call nonlocal_insert.
1058 (get_nonlocal_id_for_type): Remove.
1059 (find_global_initializers): Mark new vars we find for renaming.
1060 (intra_create_variable_infos): Only create one nonlocal.
1061 (expand_nonlocal_solutions): Remove.
1062 (compute_points_to_sets): Don't call it.
1063 (ipa_pta_execute): Ditto.
1064 (init_alias_heapvars): Don't create nonlocal_for_type.
1065 (delete_alias_heapvars): Don't remove it.
1066 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1069 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1071 * doc/install.texi (Downloading GCC): Clarify mention of
1072 Fortran in the "full distribution" description.
1074 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1076 Fix PR tree-optimization/28778
1077 Fix PR tree-optimization/29156
1078 Fix PR tree-optimization/29415
1079 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1080 (tree_decl_with_vis): Add artificial_pta_var flag.
1081 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1082 pushed into callers.
1083 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1084 (nonlocal_all): Ditto.
1085 (struct variable_info): Add directly_dereferenced member.
1086 (var_escaped_vars): New variable.
1087 (escaped_vars_tree): Ditto.
1088 (escaped_vars_id): Ditto.
1089 (nonlocal_vars_id): Ditto.
1090 (new_var_info): Set directly_dereferenced.
1091 (graph_size): New variable
1092 (build_constraint_graph): Use graph_size.
1093 (solve_graph): Don't process constraints that cannot change the
1094 solution, don't try to propagate an empty solution to our
1096 (process_constraint): Set directly_dereferenced.
1097 (could_have_pointers): New function.
1098 (get_constraint_for_component_ref): Don't process STRING_CST.
1099 (nonlocal_lookup): New function.
1100 (nonlocal_insert): Ditto.
1101 (create_nonlocal_var): Ditto.
1102 (get_nonlocal_id_for_type): Ditto.
1103 (get_constraint_for): Allow results vector to be empty in the case
1104 of string constants.
1105 Handle results of calls properly.
1106 (update_alias_info): Update alias info stats on number and type of
1108 (find_func_aliases): Use could_have_pointers.
1109 (make_constraint_from_escaped): Renamed from
1110 make_constraint_to_anything, and changed to make constraints from
1112 (make_constraint_to_escaped): New function.
1113 (find_global_initializers): Ditto.
1114 (create_variable_info_for): Make constraint from escaped to any
1115 global variable, and from any global variable to the set of
1117 (intra_create_variable_infos): Deal with escaped instead of
1118 pointing to anything.
1119 (set_uids_in_ptset): Do type pruning on directly dereferenced
1121 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1122 (init_base_vars): Fix comment, and initialize escaped_vars.
1123 (need_to_solve): Removed.
1124 (find_escape_constraints): New function.
1125 (expand_nonlocal_solutions): Ditto.
1126 (compute_points_to_sets): Call find_escape_constraints and
1127 expand_nonlocal_solutions.
1128 (delete_points_to_sets): Don't fall off the end of the graph.
1129 (init_alias_heapvars): Initialize nonlocal_for_type and
1131 (delete_alias_heapvars): Free nonlocal_for_type and null out
1134 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1136 * fold-const.c (add_double): Rename to add_double_with_sign.
1137 Add 'unsigned_p' parameter and take it into account for the overflow.
1138 (mul_double): Rename to mul_double_with_sign.
1139 Add 'unsigned_p' parameter and take it into account for the overflow.
1140 (fold_div_compare): Call add_double_with_sign instead of add_double
1141 and mul_double_with_sign instead of mul_double, passing them the
1142 unsignedness of the type.
1143 * tree.h (add_double): Macroize.
1144 (add_double_with_sign): New prototype.
1145 (mul_double): Macroize.
1146 (mul_double_with_sign): New prototype.
1148 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1150 * config/score/crti.asm: New file.
1151 * config/score/crtn.asm: New file.
1152 * config/score/elf.h: New file.
1153 * config/score/mac.md: New file.
1154 * config/score/misc.md: New file.
1155 * config/score/mul-div.S: New file.
1156 * config/score/predicates.md: New file.
1157 * config/score/score7.md: New file.
1158 * config/score/score.c: New file.
1159 * config/score/score-conv.h: New file.
1160 * config/score/score.h: New file.
1161 * config/score/score.md: New file.
1162 * config/score/score-mdaux.c: New file.
1163 * config/score/score-mdaux.h: New file.
1164 * config/score/score-modes.def: New file.
1165 * config/score/score.opt: New file.
1166 * config/score/score-protos.h: New file.
1167 * config/score/score-version.h: New file.
1168 * config/score/t-score-elf: New file.
1169 * config.gcc: Add score*-*-* configurations(Update before).
1170 * doc/invoke.texi (Score Options): New section.
1171 * doc/md.texi (Score family): New section to document constraints.
1173 2006-10-19 Nick Clifton <nickc@redhat.com>
1175 * config/arm/arm.c: Fix spelling typo.
1177 2006-10-18 Tom Tromey <tromey@redhat.com>
1179 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1181 2006-10-18 Jan Hubicka <jh@suse.cz>
1184 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1187 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1189 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1190 TSI_SAME_STMT, since that's the desired entity.
1192 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1194 * config/s390/contraints.md: New file.
1195 * config/s390/s390-protos.h (s390_mem_constraint,
1196 s390_O_constraint_str, s390_N_constraint_str,
1197 s390_float_const_zero_p): Function prototypes added.
1198 * config/s390/s390.c (s390_extra_constraint_str,
1199 s390_const_double_ok_for_constraint_p,
1200 s390_const_ok_for_constraint_p): Functions removed.
1201 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1202 s390_float_const_zero_p): New functions.
1203 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1204 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1205 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1206 Macro definitions removed.
1207 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1208 s390_extra_constraint_str): Functions removed.
1210 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1211 Richard Sandiford <richard@codesourcery.com>
1214 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1215 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1217 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1219 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1220 (DWARF2_FRAME_REG_OUT): Likewise.
1221 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1222 (DWARF2_FRAME_REG_OUT): Likewise.
1224 2006-10-17 Paul Brook <paul@codesourcery.com>
1226 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1228 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1230 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1231 Standardize on "GNU Fortran" as the official name of the Fortran
1234 2006-10-16 Mike Stump <mrs@apple.com>
1236 * doc/invoke.texi (Darwin Options): Document -mkernel.
1237 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1239 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1240 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1241 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1242 (OS_MISSING_ALTIVEC): Add.
1243 * config/i386/i386.c (override_options): Add
1244 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1245 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1246 -mkernel, -static or -mdynamic-no-pic is given.
1247 (C_COMMON_OVERRIDE_OPTIONS): Add.
1248 * config/darwin.opt (fapple-kext): Add.
1250 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1251 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1253 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1254 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1255 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1256 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1257 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1258 (flag_mkernel): Add.
1259 (flag_apple_kext): Add.
1260 (TARGET_KEXTABI): Add.
1261 * config/darwin.c (darwin_handle_kext_attribute): Add.
1262 (DARWIN_VTABLE_P): Add.
1263 (darwin_binds_local_p): Add partial support for rebinding vtables
1265 (darwin_kextabi_p): Add.
1266 (darwin_override_options): Add.
1267 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1268 (darwin_kextabi_p): Add.
1269 (darwin_override_options): Add.
1270 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1271 __DYNAMIC__ and __STATIC__ here.
1273 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1275 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1276 Added mention of "make pdf" target, and Texinfo requirements for
1279 2006-10-16 DJ Delorie <dj@redhat.com>
1281 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1282 into the GOT in case we need a subreg of the address.
1284 2006-10-16 Richard Guenther <rguenther@suse.de>
1287 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1288 SSE builtin documentation. Document SSE2 builtins.
1290 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1292 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1293 symbol in the output file for non-shared links when -nostdlib or
1294 -nodefaultlibs isn't specified.
1296 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1297 posix thread support.
1299 2006-10-15 Jan Hubicka <jh@suse.cz>
1302 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1303 declared always_inline even when not inlining.
1305 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1306 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1307 Andrew Pinski <pinskia@gmail.com>
1310 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1312 2006-10-15 Jan Hubicka <jh@suse.cz>
1313 Richard Guenther <rguenther@suse.de>
1316 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1317 process_function_and_variable_attributes on all variables, including
1318 those discovered during cgraph construction phase.
1320 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1322 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1324 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1326 * config/i386/athlon.md (athlon_fist): Add fisttp.
1328 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1329 Ian Lance Taylor <ian@airs.com>
1332 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1333 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1336 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1338 * config/score/score.c, config/score/score.h: Fix comment
1341 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1344 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1347 2006-10-13 Eric Christopher <echristo@apple.com>
1349 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1351 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1354 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1355 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1356 alignment supported by 32-bit ELF.
1358 2006-10-13 Eric Christopher <echristo@apple.com>
1360 * config/darwin.c (darwin_emit_unwind_label): Strip
1361 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1363 2006-10-13 Richard Guenther <rguenther@suse.de>
1365 PR tree-optimization/29446
1366 * tree-vrp.c (fix_equivalence_set): Remove.
1367 (extract_range_from_assert): Do not call fix_equivalence_set.
1368 (debug_value_range): Print a newline.
1369 (compare_name_with_value): For equivalence sets with
1370 inconsistent value ranges conservatively bail out.
1371 (compare_names): Likewise.
1373 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1375 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1376 and MPFR for gfortran.
1378 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1380 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1381 alignment supported by 32-bit ELF.
1383 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1387 * c-typeck.c (digest_init): Always allow initializing vectors
1388 that have static storage duration with compound literals.
1389 * tree.c (build_type_attribute_qual_variant): New, based on
1390 build_type_attribute_variant.
1391 (build_type_attribute_variant): Rewrite using the former.
1392 (make_vector_type): Use build_type_attribute_qual_variant to build
1393 type variants. Use type_hash_canon on the others.
1395 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1396 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1398 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1400 2006-10-12 Jan Hubicka <jh@suse.cz>
1403 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1404 current_function_decl is set but current_function_scope is not.
1406 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1408 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1409 emit_insn to emit eh_return_internal instruction.
1410 (eh_return_internal): Explicitly set pc.
1412 2006-10-11 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/28230
1415 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1416 to the correct place.
1418 2006-10-11 Richard Guenther <rguenther@suse.de>
1421 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1424 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1426 * configure.ac: Added pdf to "Make-hooks"
1427 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1428 targets and *.pdf file patterns in cleanup targets.
1429 * configure: Regenerated.
1431 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1433 * config/avr/predicates.md: New file.
1434 * config/avr/avr.md: Include it.
1435 (REG_SP): New constant.
1436 (peepholes): Use predicates.
1437 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1438 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1439 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1441 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1443 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1446 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1449 * builtins.c (var_decl_component_p): New function.
1450 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1451 single entry optimization to variables and components thereof.
1453 2006-10-10 Richard Guenther <rguenther@suse.de>
1455 PR rtl-optimization/29323
1456 * except.c (set_nothrow_function_flags): For functions
1457 that do not bind local bail out early.
1459 2006-10-10 Ben Elliston <bje@au.ibm.com>
1461 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1464 2006-10-09 Richard Henderson <rth@redhat.com>
1466 Revert emutls patch.
1468 2006-10-09 Richard Guenther <rguenther@suse.de>
1471 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1474 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1477 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1478 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1479 * configure: Regenerate.
1480 * config.in: Regenerate.
1482 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1484 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1486 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1488 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1489 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1490 Remove stray newline.
1492 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1494 * config/mips/mips.c (mips_classify_symbol): Do not return
1495 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1496 (mips_in_small_data_p): Tweak comments.
1498 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1500 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1502 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1504 * gimplify.c, sched-int.h: Fix comment typos.
1506 * sched-int.h: Fix comment typos.
1508 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1510 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1512 * sched-ebb.c (begin_schedule_ready): Use them.
1513 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1514 add_to_speculative_block, create_check_block_twin, speculate_insn,
1515 fix_jump_move, move_block_after_check): Ditto.
1516 * sched-rgn.c (new_ready): Ditto.
1518 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1520 PR rtl-optimization/29128
1521 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1522 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1523 allow interblock movement of speculation checks.
1525 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1528 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1529 casted to integer type.
1530 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1531 if they are significantly more expensive than [reg + index] ones.
1533 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1535 PR tree-optimization/29330
1536 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1537 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1538 on newly allocated ddrs.
1539 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1540 to VEC (loop_p, heap) pointer.
1541 (compute_data_dependences_for_loop): Adjust caller.
1542 (free_dependence_relations): Free DDR_LOOP_NEST.
1544 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1545 free DEPENDENCE_RELATIONS and DATAREFS.
1548 * builtins.c (expand_builtin_sync_operation,
1549 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1550 Use convert_to_mode to handle promoted arguments.
1552 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1554 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1556 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1558 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1560 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1562 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1563 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1564 Use <modeconstraint> instead of "r" as operand 1 constraint.
1566 2006-10-06 Olivier Hainque <hainque@adacore.com>
1568 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1569 Don't recurse on the pointed-to type.
1570 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1571 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1572 types with components of variable size.
1574 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1576 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1578 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1580 PR tree-optimization/29290
1581 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1585 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1586 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1589 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1590 the number of vector elements fill the rest with zeros.
1592 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1594 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1595 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1598 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1600 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1601 unnamed pattern into subsi3. Use correct constraints/predicates.
1602 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1603 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1605 2006-10-05 Ira Rosen <irar@il.ibm.com>
1607 * doc/loop.texi: Add data references analysis description.
1609 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1611 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1613 2006-10-04 Richard Henderson <rth@redhat.com>
1614 Jakub Jelinek <jakub@redhat.com>
1616 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1617 * builtin-types.def (BT_WORD): Make unsigned.
1618 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1619 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1620 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1621 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1622 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1623 * cgraph.c (decide_is_variable_needed): Look at force_output.
1624 Recurse for emulated tls.
1625 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1626 checks redundant with decide_is_variable_needed.
1627 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1628 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1630 * expr.c (emutls_var_address): New.
1631 (expand_expr_real_1): Expand emulated tls.
1632 (expand_expr_addr_expr_1): Likewise.
1633 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1634 * output.h (emutls_finish): Declare.
1635 * toplev.c (compile_file): Call it.
1636 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1637 address before wrapping in CONST.
1638 * varasm.c (emutls_htab, emutls_object_type): New.
1639 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1640 (get_emutls_object_name, get_emutls_object_type): New.
1641 (get_emutls_init_templ_addr, emutls_decl): New.
1642 (emutls_common_1, emutls_finish): New.
1643 (assemble_variable): When emulating tls, swap decls; generate
1644 constructor for the emutls objects.
1645 (do_assemble_alias): When emulating tls, swap decl and target name.
1646 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1648 * emutls.c: New file.
1649 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1650 tls_object for real tls.
1652 2006-10-04 Zack Weinberg <zackw@panix.com>
1654 Fix bug in constraint-check generator, reported by Rask Ingemann
1656 * genpreds.c (add_constraint): Don't remove anything from the
1658 (write_tm_constrs_h): Detect whether "op" argument is used, and
1659 mark it ARG_UNUSED if it isn't.
1660 (write_insn_const_int_ok_for_constraint): Skip the part of the
1661 expression that would test whether "op" (which is not available
1662 here) is a CONST_INT.
1664 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1667 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1669 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1671 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1672 current Leopard versions.
1673 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1675 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1677 * doc/install.texi: Fix typos.
1679 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1681 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1682 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1683 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1685 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1687 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1688 arg to be struct mach_header_64* instead.
1690 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1693 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1694 side effects after the outer expression's post side effects.
1696 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1698 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1699 comments to reflect actual behavior and relationship between
1700 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1702 * doc/c-tree.texi (Working with declarations): Fix documentation
1703 of FIELD_DECL likewise.
1705 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1708 * doc/extend.texi: Add used variable attribute description.
1710 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1713 * c.opt (Woverride-init): New.
1714 * c-opts.c (c_common_post_options): Default warn_override_init to
1716 * c-typeck.c (add_pending_init, output_init_element): Warn for
1717 overriding initializers without side effects.
1718 * doc/invoke.texi (-Woverride-init): Document.
1721 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1723 PR rtl-optimization/28096
1724 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1725 assignment has already been used as a destination earlier in the block.
1727 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1729 * builtins.c (expand_builtin_setjmp): Delete.
1730 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1731 <BUILT_IN_SETJMP_SETUP>: New case.
1732 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1733 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1734 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1735 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1736 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1737 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1738 (lower_function_body): Initialize it to false. If it is set to true
1739 at the end of the processing, emit the setjmp dispatcher.
1740 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1741 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1742 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1743 on the rhs of the assignment.
1744 (lower_builtin_setjmp): New function.
1745 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1746 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1747 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1748 to detect calls that can go to non-local labels. Use specific
1749 helper to create the abnormal edges associated with them.
1750 <MODIFY_EXPR>: Likewise.
1751 (make_abnormal_goto_edges): New function extracted from...
1752 (make_goto_expr_edges): ...here. Call it for computed gotos.
1753 (simple_goto_p): Minor tweak.
1754 (tree_can_make_abnormal_goto): New predicate.
1755 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1756 (tree_purge_dead_abnormal_call_edges): New function.
1757 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1758 (tree_purge_dead_abnormal_call_edges): Likewise.
1759 (make_abnormal_goto_edges): Likewise.
1760 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1761 Purge all dead abnormal edges if the call was in the last statement.
1762 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1763 (execute_fixup_cfg): If there are non-local labels in the function,
1764 scan the basic blocks and split them at calls that can go to non-local
1765 labels or add missing abnormal call edges. Write down the CFG in the
1767 (pass_fixup_cfg): Remove TODO_dump_func flag.
1768 * unwind-sjlj.c: Poison setjmp.
1769 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1770 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1771 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1772 (DONT_USE_BUILTIN_SETJMP): Document it.
1774 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1777 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1778 to 1 when __ppc64__ is defined.
1779 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1781 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1783 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1785 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1786 * config/ia64/unwind-hpux.c: Delete.
1788 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1790 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1791 on the element before gimplifying it, instead of punting if it is of
1794 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1796 * doc/loop.texi: New file.
1797 * doc/gccint.texi: Reference loop.texi.
1798 * Makefile.in (loop.texi): Add.
1800 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1802 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1804 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1805 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1807 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1809 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1811 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1813 * doc/install.texi: Document required versions of GMP and MPFR.
1815 2006-09-27 Paul Brook <paul@codesourcery.com>
1818 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1820 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1822 * reload1.c (alter_reg): Require the alignment of the stack slot to
1823 be at least reg_max_ref_width bytes.
1824 (scan_paradoxical_subregs): Record the largest width in
1827 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1831 * tree-nested.c (struct nesting_info): Added static_chain_added.
1832 (convert_call_expr): Set static_chain_added when adding static
1833 chain. Handle OMP_PARALLEL and OMP_SECTION.
1835 2006-09-25 Matthias Klose <doko@debian.org>
1837 * doc/invoke.texi: Add missing full stop.
1839 2006-09-25 Richard Henderson <rth@redhat.com>
1841 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1842 before cgraph_function_flags_ready.
1844 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1845 Adam Nemet <anemet@caviumnetworks.com>
1847 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1848 determine_common_wider_type): New functions.
1849 (get_computation_aff): Use them to simplify arithmetic between
1850 UBASE and CBASE if they are shortened from the same type.
1852 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1855 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1856 -2147483647 - 1 instead of 0x80000000.
1858 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1860 * flags.h (HONOR_NANS): Fix typo in comment.
1862 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1864 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1866 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1870 * tree.c (merge_attributes, attribute_list_contained): If both
1871 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1873 * c-typeck.c (comptypes_internal): Don't consider aggregates
1874 in different TUs as compatible if there one set of attributes is
1875 not a subset of the other type's attributes.
1876 (composite_type): Try harder not to create a new aggregate type.
1878 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1880 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1881 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1882 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1883 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1884 than replicating condition above.
1885 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1887 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1888 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1889 the linker by default.
1891 2006-09-22 Mike Stump <mrs@apple.com>
1893 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1896 2006-09-22 Richard Guenther <rguenther@suse.de>
1899 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1900 sort of stack variables stable.
1902 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1905 * explow.c (force_reg): Set REG_POINTER flag according to
1908 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1910 PR tree-optimization/28888
1911 * tree-if-conv.c (combine_blocks): Rewritten.
1912 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1913 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1915 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1917 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1920 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1922 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1924 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1926 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1928 2006-09-21 Roger Sayle <roger@eyesopen.com>
1931 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1932 dw_fde_current_label, to be the start of the function, i.e. the same
1933 value as dw_fde_begin.
1935 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1937 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1938 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1939 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1940 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1941 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1942 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1943 (abs<mode>2, neg<mode>2): Likewise.
1944 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1945 (*mips_abs_ps): New define_insn.
1947 2006-09-20 Josh Conner <jconner@apple.com>
1950 * calls.c (expand_call): Allow reuse of structure return stack
1953 2006-09-20 Paul Brook <paul@codesourcery.com>
1955 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1958 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1960 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1961 clean up terminology.
1963 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1966 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1967 with tablejumps in them.
1969 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1972 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1973 wrap it into TARGET_EXPR.
1975 2006-09-20 Eric Christopher <echristo@apple.com>
1977 * config/i386/i386.c (x86_fisttp): Remove.
1978 * config/i386/i386.h (x86_fisttp): Ditto.
1979 (TARGET_FISTTP): Ditto.
1981 2006-09-19 Eric Christopher <echristo@apple.com>
1983 * doc/tm.texi (OBJC_JBLEN): Describe.
1984 * config/i386/darwin.h (OBJC_JBLEN): Define.
1985 * config/rs6000/darwin.h: Ditto.
1987 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1989 PR rtl-optimization/21299
1990 * reload1.c (reload): Purge invalid ASMs in the final pass.
1992 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1995 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1996 pointers as legitimate constants.
1998 2006-09-19 Paul Brook <paul@codesourcery.com>
2001 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2003 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2005 PR tree-optimization/28887
2006 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2007 component parts from the reference.
2008 (gather_memory_references_ref): Record the reference without the
2009 nonaddressable component parts.
2011 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2014 * c-opts.c (c_common_handle_option): Ignore the -std options
2015 if the input language is assembly.
2017 2006-09-17 Ira Rosen <irar@il.ibm.com>
2020 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2022 (ptr_ptr_may_alias_p): Likewise.
2023 (record_record_differ_p): New function.
2024 (base_object_differ_p): Call record_record_differ_p.
2026 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2029 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2030 away for the expr argument.
2032 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2035 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2036 before using it for dumping after vectorizing loops.
2038 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2039 Jack Howarth <howarth@bromo.med.uc.edu>
2042 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2043 skip on error_mark_node.
2044 (rs6000_darwin64_record_arg_recurse): Likewise.
2046 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2048 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2049 * doc/rtl.texi: Remove related documentation.
2051 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2053 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2056 2006-09-15 Jim Wilson <wilson@specifix.com>
2058 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2059 Handle symbol offsets same as they are handled in ia64_expand_move
2062 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2064 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2065 Add forgotten parameter to the fprintf call.
2067 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2069 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2071 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2073 * doc/contrib.texi: Add my entry.
2075 2006-09-15 Nick Clifton <nickc@redhat.com>
2077 * doc/md.texi (Processor pipeline description): Fix typo in
2078 example of how to use the absence_set directive and reword the
2079 description to make it slightly easier to read.
2081 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2083 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2084 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2085 expanding the number of iterations.
2086 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2088 * cfgrtl.c (emit_insn_at_entry): New function.
2089 * rtl.h (emit_insn_at_entry): Declare it.
2090 * integrate.c (emit_initial_value_sets): Use it.
2092 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2094 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2096 (struct loop_work and related VEC declarations): Delete.
2097 (bfin_dump_loops): Print out new member bad.
2098 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2099 (bfin_scan_loop): Don't recurse.
2100 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2101 loops. No longer need to update outer loops if the current one is
2102 found bad. Move some validitiy checks to bfin_discover_loop.
2103 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2104 but changed not to check for nesting. Also changed to use the new bad
2106 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2107 time. Use bitmap based test to discover loop nesting.
2109 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2111 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2114 2006-09-14 Richard Guenther <rguenther@suse.de>
2115 Kazu Hirata <kazu@codesourcery.com>
2117 PR middle-end/28884.
2118 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2119 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2120 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2121 with TARGET_FUNCTION_VALUE.
2123 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2126 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2128 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2130 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2133 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2136 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2139 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2141 * basic_block.h (bb_has_eh_pred): Fix comment.
2143 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2145 * flow.c (calculate_global_regs_live): Invalidate eh registers
2146 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2147 (propagate_block): Handle eh registers as if they were set at basic
2149 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2151 * global.c (global_conflicts): Make eh registers to conflict with
2152 pseudos live at basic block begin.
2153 * basic_block.h (bb_has_eh_pred): New function.
2155 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2157 PR rtl-optimization/28982
2158 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2159 index of a PRE_MODIFY or POST_MODIFY address.
2160 * reload1.c (inc_for_reload): Use find_replacement on the original
2161 base and index registers.
2163 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2165 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2166 for -Os. Update __m128 alignment requirement.
2168 2006-09-13 Jan Hubicka <jh@suse.cz>
2170 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2172 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2174 PR rtl-optimization/28243
2175 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2176 the insn to which the note was originally attached.
2178 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2179 Roger Sayle <roger@eyesopen.com>
2181 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2182 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2183 on platforms that don't use dwarf for debug info.
2185 2006-09-12 Jason Merrill <jason@redhat.com>
2188 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2189 hard_frame_pointer_rtx after using it to update the frame pointer.
2191 2006-09-12 Roger Sayle <roger@eyesopen.com>
2193 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2194 (TARGET_ASM_CLOSE_PAREN): Likewise.
2195 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2196 (TARGET_ASM_CLOSE_PAREN): Likewise.
2198 2006-09-12 Roger Sayle <roger@eyesopen.com>
2201 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2202 frame information for frames larger than 512 Kbytes on Tru64 when
2203 using the native assembler.
2205 2006-09-12 Roger Sayle <roger@eyesopen.com>
2209 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2210 and symbols. Instead use the implementation from cse.c's hash_rtx.
2212 2006-09-12 Jan Hubicka <jh@suse.cz>
2214 PR rtl-optimization/28071
2215 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2216 (vect_transform_loop): Likewise.
2217 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2218 (new_loop_vec_info): Likewise.
2219 (destroy_loop_vec_info): Likewise.
2220 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2221 (create_stmt_ann): Likewise.
2222 (create_tree_ann): Rename to ...
2223 (create_tree_common_ann): ... this one; allocate only the common part
2225 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2226 (get_value_handle): Likewise.
2227 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2228 get_tree_common_ann.
2229 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2230 (vinfo_for_stmt): Use stmt annotations.
2231 * tree-flow.h (tree_ann_common_t): New type.
2232 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2233 (tree_ann, get_tree_ann, create_tree_ann): New.
2234 * tree-flow-inline.h (get_function_ann): Do more type checking.
2235 (stmt_ann): Likewise.
2236 (tree_ann): Rename to ...
2237 (tree_common_ann): ... this one; return ony common_ann
2238 (get_tree_ann): Rename to ...
2239 (tree_common_ann): This one; return only common_ann.
2240 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2243 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2245 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2246 with_cpu by default.
2248 * dwarf2out.c (dwarf_file_data): New.
2249 (enum dw_val_class): Add dw_val_class_file.
2250 (struct dw_val_struct): Add val_file.
2251 (file_table): Change to a hash table.
2252 (file_table_emitted): Delete.
2253 (file_table_last_lookup_index): Delete.
2254 (emitcount): Delete.
2255 (last_emitted_file): New.
2256 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2257 (init_file_table): Delete.
2258 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2259 (AT_addr): Add comment.
2263 (print_die): Handle dw_val_class_file.
2264 (print_dwarf_line_table): Update for new file table structure.
2265 (attr_checksum): Do checksum a filename.
2266 (same_dw_val_p, same_attr_p): Do compare a filename.
2267 (size_of_die): Handle dw_val_class_file.
2268 (value_format): Likewise.
2269 (output_die): Likewise. Also, call maybe_emit_file here.
2270 (struct file_info): Constify filenames. Make file_idx a pointer
2271 to a struct dwarf_file_data.
2272 (struct dir_info): Constify directory names. Remove 'used' field.
2273 (struct file_name_acquire_data): New.
2274 (file_name_acquire): New.
2275 (output_file_names): Modify to handle new file data structures.
2276 (add_src_coords_attributes): Use add_AT_file.
2277 (add_call_src_coords_attributes): Likewise.
2278 (dwarf2out_imported_module_or_decl): Likewise.
2279 (gen_subprogram_die): Modify for new file data structures.
2280 (gen_variable_die): Likewise.
2281 (file_table_eq): New.
2282 (file_table_hash): New.
2283 (file_table_last_lookup): New.
2284 (lookup_filename): Rewrite to handle new file data structures.
2285 (maybe_emit_file): Rewrite to handle new file data structures.
2286 (dwarf2out_source_line): Always call lookup_filename and
2288 (dwarf2out_init): Create file_table here.
2289 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2290 (file_table_relative_p): New.
2291 (dwarf2out_finish): Change detection of relative filenames
2292 to work with new file data structures. Move output_line_info call
2293 after debug_info output.
2295 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2300 * config/i386/i386.c (override_options): Always default to 16
2301 byte stack boundary.
2303 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2306 * var-tracking.c (dump_dataflow_set): Start dumping at
2308 (clobber_variable_part): Kill only the variable part in
2309 registers holding it, leaving other variables alone.
2311 2006-09-11 Josh Triplett <josh@freedesktop.org>
2313 * doc/extend.texi (Other Builtins): Actually use the macro
2314 argument in the documentation example for
2315 __builtin_types_compatible_p.
2317 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2319 PR rtl-optimization/28726
2320 * sched-deps.c (sched_analyze_reg): New function extracted from...
2321 (sched_analyze_1): ...here. Call it to analyze references to
2322 registers. Treat again writes to a stack register as writing to the
2324 (sched_analyze_2): ...and here. Call it to analyze references to
2325 registers. Treat again reads of a stack register as reading the
2328 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2329 David Edelsohn <edelsohn@gnu.org>
2332 * config/rs6000/spe.md (frob_df_di): Remove %H.
2333 (frob_di_df): Remove %H. Change evmergelo to mr.
2334 (frob_di_df_2): Remove %H. Change evldd to two loads.
2336 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2338 * doc/cpp.texi: Fix names of charset options.
2340 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2343 * config/i386/i386.c (override_options): Use 128-bit
2344 stack boundary always for 64bits.
2346 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2348 PR rtl-optimization/28636
2349 * combine.c (force_to_mode): Test for side-effects before
2350 substituting by zero.
2351 (simplify_shift_const): Likewise for zero or other constants.
2353 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2356 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2359 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2362 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2363 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2364 returned by mode_for_size, rather than the mode of src itself,
2365 to choose between 32-bit and 64-bit patterns.
2366 (mips_mem_fits_mode_p): New function.
2367 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2368 that the size of the source matches the size of the destination.
2369 (mov_<store>l, mov_<store>r): Likewise.
2371 2006-09-10 Eric Christopher <echristo@apple.com>
2373 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2376 2006-09-09 Eric Christopher <echristo@apple.com>
2379 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2382 2006-09-09 Roger Sayle <roger@eyesopen.com>
2383 Nicolas Setton <setton@adacore.com>
2385 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2387 2006-09-10 Andreas Schwab <schwab@suse.de>
2389 * config/m68k/m68k.md (bungt_rev): New pattern.
2391 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2392 Dale Johannesen <dalej@apple.com>
2395 * regclass.c (struct reg_pref): Update documentation.
2396 (regclass): Set prefclass to NO_REGS if memory is the best option.
2397 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2399 2006-09-08 Eric Christopher <echristo@apple.com>
2401 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2402 * config/t-slibgcc-darwin: Support x86_64 multilib.
2403 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2404 Return 1 for x86_64-darwin.
2405 * config/i386/t-darwin: Add m64 multilib.
2406 (LIB2_SIDITI_CONV_FUNCS): Use.
2407 (LIB2FUNCS_EXTRA): Ditto.
2408 * config/i386/darwin.h: Support x86_64.
2409 * config/i386/i386.c (override_options): Turn on flag_pic
2410 for x86_64-darwin. Disable flag_omit_pointer.
2411 (get_pc_thunk_name): Assert !TARGET_64BIT.
2412 (legitimate_address_p): Disable machopic addressing for
2414 (legitimize_pic_address): Ditto.
2415 (ix86_expand_move): Ditto.
2416 (ix86_expand_call): Ditto.
2417 (machopic_output_stub): Ditto.
2418 * config/darwin.c (machopic_select_section): Support literal16.
2419 (machopic_select_rtx_section): Ditto.
2420 * config/darwin-sections.def: Ditto.
2421 * config/darwin-64.c: New.
2423 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2426 * c-tree.h (struct c_arg_info): Add pending_sizes.
2427 * c-parser.c (c_parser_parms_declarator,
2428 c_parser_parms_list_declarator): Initialize pending_sizes.
2429 * c-decl.c (get_parm_info): Initialize pending_sizes.
2430 (get_parm_info): Set pending_sizes.
2431 (grokdeclarator): Call put_pending_sizes for parameters for
2432 function definition only.
2434 2006-09-07 Jason Merrill <jason@redhat.com>
2437 * varasm.c (output_constant): Only strip actual no-op conversions.
2440 * config/i386/i386.c (override_options): Use 128-bit
2441 stack boundary if -msse.
2443 2006-09-07 Eric Christopher <echristo@apple.com>
2445 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2447 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2450 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2452 * dwarf2out.c: Remove strange characters from comment above
2453 dwarf2out_frame_debug_expr.
2455 2006-09-07 Eric Christopher <echristo@apple.com>
2457 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2458 * config/darwin.h: ... to here.
2460 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2462 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2464 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2465 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2467 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2468 TARGET_PARTIAL_FLAG_REG_STALL.
2469 (*ashldi3_cconly_rex64): Likewise.
2470 (*ashlsi3_cmp): Likewise.
2471 (*ashlsi3_cconly): Likewise.
2472 (*ashlsi3_cmp_zext): Likewise.
2473 (*ashlhi3_cmp): Likewise.
2474 (*ashlhi3_cconly): Likewise.
2475 (*ashlqi3_cmp): Likewise.
2476 (*ashlqi3_cconly): Likewise.
2477 (*ashrdi3_cmp_rex64): Likewise.
2478 (*ashrdi3_cconly_rex64): Likewise.
2479 (*ashrsi3_cmp): Likewise.
2480 (*ashrsi3_cconly): Likewise.
2481 (*ashrsi3_cmp_zext): Likewise.
2482 (*ashrhi3_cmp): Likewise.
2483 (*ashrhi3_cconly): Likewise.
2484 (*ashrqi3_cmp): Likewise.
2485 (*ashrqi3_cconly): Likewise.
2486 (*lshrdi3_cmp_rex64): Likewise.
2487 (*lshrdi3_cconly_rex64): Likewise.
2488 (*lshrsi3_cmp): Likewise.
2489 (*lshrsi3_cconly): Likewise.
2490 (*lshrsi3_cmp_zext): Likewise.
2491 (*lshrhi3_cmp): Likewise.
2492 (*lshrhi3_cconly): Likewise.
2493 (*lshrqi2_cmp): Likewise.
2494 (*lshrqi2_cconly): Likewise.
2496 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2499 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2500 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2501 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2502 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2503 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2504 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2505 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2506 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2507 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2508 implement only CC setting effects of shift instructions.
2510 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2512 * doc/contrib.texi: Add myself.
2514 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2517 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2518 was set by the user.
2520 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2523 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2524 (divsi_inv_m1): Use them.
2525 (UNSPEC_DIV_INV_TABLE): New constant.
2527 2006-09-06 James E Wilson <wilson@specifix.com>
2530 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2531 then call count_or_remove_death_notes.
2533 2006-09-06 Jason Merrill <jason@redhat.com>
2536 * tree-inline.c (copy_result_decl_to_var): New fn.
2537 (declare_return_variable): Use it. Call declare_inline_vars here.
2538 (expand_call_inline): Not here.
2540 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2542 * doc/contrib.texi: Update my entry.
2544 2006-09-06 Nick Clifton <nickc@redhat.com>
2546 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2548 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2551 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2552 (canonicalize_induction_variables): Likewise.
2553 (tree_unroll_loops_completely): Likewise.
2554 (tree_ssa_prefetch_arrays): Likewise.
2555 (remove_empty_loops): Likewise.
2556 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2557 TODO_cleanup_cfg instead of directly calling
2558 cleanup_tree_cfg_loop.
2559 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2561 (tree_unroll_loops_completely): Likewise.
2562 (remove_empty_loops): Likewise.
2563 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2564 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2565 of tree_ssa_unswitch_loops.
2566 (tree_ssa_loop_ivcanon): Use the return value of
2567 canonicalize_induction_variables.
2568 (tree_ssa_empty_loop): Use the return value of
2570 (tree_complete_unroll): Use the return value of
2571 tree_unroll_loops_completely.
2572 (tree_ssa_loop_prefetch): Use the return value of
2573 tree_ssa_prefetch_arrays.
2574 * passes.c (execute_todo): Before Cleanup CFG, set
2575 updating_used_alone and after cleanup CFG, call
2576 recalculate_used_alone.
2578 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2581 * tree-vect-transform.c (vectorizable_condition): Move the check
2582 for the type after the check for simple condition.
2584 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2585 Kaz Kojima <kkojima@gcc.gnu.org>
2588 * mode-switching.c (optimize_mode_switching): Make the destination
2589 block of an abnormal edge have no anticipatable mode. Don't
2590 insert mode switching code at the end of the source block of
2593 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2595 PR rtl-optimization/26847
2596 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2597 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2598 (simplify_plus_minus): Count n_constants while filling ops. Replace
2599 qsort with insertion sort. Before going through the array to simplify
2600 pairs, sort it. Delay early exit until after the first sort, exiting
2601 only if no swaps occurred. Simplify pairs in reversed order, without
2602 special-casing the first iteration. Pack ops after simplifying pairs.
2604 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2606 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2607 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2608 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2609 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2611 2006-09-05 Richard Guenther <rguenther@suse.de>
2613 PR tree-optimization/28900
2614 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2615 compound conditional before creating COND_EXPR condition.
2617 2006-09-05 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/28905
2620 * tree-vrp.c (fix_equivalence_set): Manually implement
2621 !value_ranges_intersect_p to also handle symbolic ranges.
2623 2006-09-05 Richard Guenther <rguenther@suse.de>
2626 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2629 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2631 PR rtl-optimization/27616
2632 * cse.c (table_size): New static variable.
2633 (new_basic_block): Initialize it to 0.
2634 (remove_from_table): Decrement it.
2635 (insert): Increment it.
2636 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2637 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2638 fold_rtx_mem_1 if under the cap.
2639 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2640 the lookup of the equivalent expression and test for equality of the
2641 first operand of the equivalent expression before in turn looking up
2642 an equivalent constant for the second operand.
2644 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2647 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2648 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2649 pointer, instead of assuming it is possible to derive the
2650 correct args size from a call insn.
2652 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2655 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2656 (fold_builtin_mempcpy): Rename to...
2657 (fold_builtin_memory_op): ... this. Optimize one element copy
2659 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2661 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2662 (expand_builtin_memcpy, expand_builtin_mempcpy,
2663 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2664 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2665 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2666 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2668 2006-09-01 DJ Delorie <dj@redhat.com>
2670 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2671 (stzx_16): Likewise.
2672 ("stzx_24_<mode>"): Likewise.
2673 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2674 ("cmp<mode>_op"): New.
2675 (cmp<mode>): Change to expander; just save operands.
2677 (b<code>): Change to expander, emit compare here.
2678 (s<code>_op): Change to use split and expander.
2679 (s<code>_24_op): Likewise.
2680 (s<code>_<mode>): New.
2681 (s<code>_<mode>_24): New.
2682 (movqicc_<code>_<mode): New.
2683 (movhicc_<code>_<mode>): New.
2686 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2687 (m32c_pend_compare): New.
2688 (m32c_unpend_compare): New.
2689 (m32c_expand_scc): New.
2690 (m32c_expand_movcc): Emit the compare also.
2691 * config/m32c/predicates.md (mra_nopp_operand): New.
2693 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2694 Richard Guenther <rguenther@suse.de>
2695 Adam Nemet <anemet@caviumnetworks.com>
2698 * builtins.c (get_pointer_alignment): Handle more forms
2699 of base addresses that can be used to derive more precise
2700 information about alignment.
2702 2006-09-01 Jason Merrill <jason@redhat.com>
2705 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2708 * gimplify.c (voidify_wrapper_expr): Handle null type.
2710 2006-09-01 Josh Conner <jconner@apple.com>
2713 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2714 (execute_return_slot_opt): Use it.
2716 2006-08-31 Josh Conner <jconner@apple.com>
2719 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2720 returning aggregates.
2722 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2724 PR tree-optimization/28839
2725 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2726 blocks in that phi arguments appear.
2728 2006-08-31 Roger Sayle <roger@eyesopen.com>
2731 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2732 NULL, otherwise use an advance_loc4 to adjust relative to the
2734 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2735 (dwarf2out_switch_text_section): Reset the current label to avoid
2736 using advance_loc4 over section boundaries.
2738 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2741 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2742 r12 + SYMBOLIC_CONST.
2744 2006-08-30 Richard Guenther <rguenther@suse.de>
2746 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2748 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2750 PR rtl-optimization/27735
2751 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2752 Add new argument to keep track of whether an irreducible region
2753 was affected. All callers changed.
2754 (fix_irreducible_loops): Removed.
2755 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2756 flags were invalidated.
2758 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2760 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2761 instead of SF operands.
2762 (*fop_df_comm_sse): Likewise.
2763 (*fop_df_comm_i387): Likewise.
2764 (*fop_df_1_mixed): Likewise.
2765 (*fop_df_1_sse): Likewise.
2767 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2768 J"orn Rennecke <joern.rennecke@st.com>
2770 PR tree-optimization/17506
2771 * tree-ssa.c (warn_uninit): If warning about a location outside of
2772 the current function, note where the variable was declared.
2774 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2776 PR tree-optimization/28411
2777 * double-int.c (double_int_div): Use double_int_divmod.
2778 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2779 double_int_mod, double_int_smod, double_int_umod): New functions.
2780 * double-int.h (double_int_divmod, double_int_sdivmod,
2781 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2783 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2785 (get_computation_aff, get_computation_cost_at): Handle double_int
2786 return type of constant_multiple_of.
2788 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2791 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2792 an implicit conversion.
2794 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2796 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2798 2006-08-27 Roger Sayle <roger@eyesopen.com>
2800 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2803 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2805 * config/i386/crtfastmath.c: Fix a comment typo.
2807 2006-08-26 Roger Sayle <roger@eyesopen.com>
2809 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2810 temporary visit flags on CASE_LABEL_EXPRs.
2811 * c-common.c (match_case_to_enum): Add function comment. Avoid
2812 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2813 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2814 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2815 a constant, only warn if that constant value isn't handled.
2817 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2820 * input.h (restore_input_file_stack): Declare.
2821 (INPUT_FILE_STACK_BITS): Define.
2822 * toplev.c (fs_p, input_file_stack_history,
2823 input_file_stack_restored, restore_input_file_stack): New.
2824 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2825 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2826 (pop_srcloc): Don't free old state of stack.
2828 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2831 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2832 (PowerPC Type Attributes): New.
2834 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2836 * config/xtensa/xtensa.c (function_arg_boundary): New.
2837 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2839 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2840 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2842 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2845 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2848 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2850 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2851 (verify_local_live_at_start): Likewise.
2853 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2856 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2857 omp_add_variable): Treat sizes as variable whenever not
2860 2006-08-26 Richard Guenther <rguenther@suse.de>
2863 * fold-const.c (fold_binary): Fold temporary to correct
2864 type before constructing new comparison.
2866 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2869 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2870 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2872 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2875 * c-decl.c (start_function): Don't try to process prototype
2876 information from old declaration that isn't a function.
2878 2006-08-25 Jan Hubicka <jh@suse.cz>
2881 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2883 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2886 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2889 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2891 PR tree-optimization/16876
2892 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2893 exit if PARM doesn't match VALUE.
2895 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2897 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2898 literal_prefix directive.
2899 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2900 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2901 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2903 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2907 predicate to general_operand. Add 0->y and I->r alternatives.
2909 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2911 * doc/tm.texi: Fix a typo.
2912 * predict.c: Fix comment typos.
2914 2006-08-25 Nick Clifton <nickc@redhat.com>
2916 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2917 assertions of "cpu" and "machine".
2919 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2922 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2923 the access through a base which has an alias set of 0 cannot
2926 2006-08-24 Bill Wendling <wendling@apple.com>
2928 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2930 2006-08-24 Jan Hubicka <jh@suse.cz>
2932 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2934 2006-08-24 Jan Hubicka <jh@suse.cz>
2937 * cgraph.c: Fix comments.
2938 (cgraph_varpool_mark_needed_node): Mark only variables not already
2940 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2941 (cgraph_varpool_assembled_nodes_queue): New static variable.
2942 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2943 (cgraph_varpool_output_debug_info): New function.
2944 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2945 * Makefile.in: Add gt-cgraphunit.h
2947 2006-08-24 Jan Hubicka <jh@suse.cz>
2949 * predict.c (probability_reliable_p): New predicate.
2950 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2951 (predict_loops): Do not predict loop exit with less than 2%
2953 * basic-block.h (edge_probability_reliable_p,
2954 br_prob_note_reliable_p): Declare.
2955 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2956 prediction when static predictor is not reliable.
2957 * rs6000.c (output_cbranch): Likewise.
2959 2006-08-23 Stuart Hastings <stuart@apple.com>
2962 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2963 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2965 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2968 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2969 complex values, nor for generic vector values.
2971 2006-08-22 Richard Guenther <rguenther@suse.de>
2974 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2975 parameter. Convert arguments to arithmetic expression to the
2977 (analyze_scalar_evolution_1): Adjust caller.
2979 2006-08-22 Jan Hubicka <jh@suse.cz>
2981 Patch by Paolo Bonzini
2982 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2985 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2987 PR tree-optimization/28003
2988 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2989 before grouping aliases.
2991 2006-08-22 Roger Sayle <roger@eyesopen.com>
2993 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2994 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2996 2006-08-21 Jason Merrill <jason@redhat.com>
2999 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3000 wrapper. Loop to handle nested wrappers.
3001 (gimplify_bind_expr): Remove temp parameter.
3002 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3003 and STATEMENT_LIST on the rhs.
3004 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3005 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3006 (gimplify_target_expr): Remove special BIND_EXPR handling.
3008 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3010 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3013 2006-08-21 Olivier Hainque <hainque@adacore.com>
3015 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3016 Arrange for the temporary captures of components overlapping the lhs
3017 to happen before the lhs is possibly cleared.
3019 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3021 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3022 necessary places to pass the correct "number of registers" values
3025 2006-08-20 Jan Hubicka <jh@suse.cz>
3027 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3028 (create_name_tags): Instead of quadratic checking use hashtable.
3029 * bitmap.h: Include hashtab.h.
3030 (bitmap_hash): Declare.
3031 * bitmap.c (bitmap_hash): New function.
3033 2006-08-20 Jan Hubicka <jh@suse.cz>
3035 PR rtl-optimization/28071
3036 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3038 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3039 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3040 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3041 cgraph_decide_inlining_incrementally): Update use of
3042 cgraph_check_inline_limits.
3043 * cgraph.c (edge_hash, edge_eq): New function.
3044 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3045 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3046 cgraph_remove_node): Maintain call site hash.
3047 * cgraph.h (struct cgraph_node): Add call_site_hash.
3048 (cgraph_set_call_stmt): New function.
3050 2006-08-20 Jan Hubicka <jh@suse.cz>
3052 PR rtl-optimization/28071
3053 * reload1.c (reg_has_output_reload): Turn into regset.
3054 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3055 choose_reload_regs, emit_reload_insns): Update to new
3056 reg_has_output_reload.
3058 2006-08-20 Jan Hubicka <jh@suse.cz>
3061 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3062 function body sizes.
3063 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3065 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3068 * tree.c (handle_dll_attribute): Return early if not a
3069 var or function decl.
3071 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3074 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3075 alignment of SPE vector types.
3077 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3079 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3081 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3084 * cgraph.h (struct cgraph_node): Remove externally_visible
3086 * cgraphunit.c (process_function_and_variable_attributes): Set
3087 local.externally_visible rather than externally_visible.
3090 * c-common.c (handle_externally_visible_attribute): First look
3091 at TREE_CODE and only if it is function or var decl, check for
3092 non-public objects. Don't warn for DECL_EXTERNAL.
3093 * cgraphunit.c (process_function_and_variable_attributes): Warn
3094 if externally_visible attribute is used on non-public object.
3096 2006-08-17 Jan Hubicka <jh@suse.cz>
3098 PR tree-optimization/27865
3099 * reload1.c (forget_marked_reloads): New function.
3100 (forget_old_reloads_1): When data are passed, just mark the registers
3102 (reload_as_needed): Use the new mechanizm.
3104 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3107 * reload.h (reg_equiv_alt_mem_list): New declaration.
3108 * reload1.c (reg_equiv_alt_mem_list): New definition.
3109 (reload): Initialize it and release it.
3110 (delete_output_reload): Use it.
3111 * reload.c (push_reg_equiv_alt_mem): New function.
3112 (find_reloads_toplev): Call it.
3113 (find_reloads_address, find_reloads_address_1): Likewise.
3114 (find_reloads_subreg_address): Likewise.
3116 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3118 PR rtl-optimization/28489
3119 * sched-ebb.c (begin_schedule_ready): Create basic block
3121 (advance_target_bb): Skip empty blocks.
3122 * haifa-sched.c (bb_note): Make global.
3123 * sched-int.h (bb_note): Add prototype.
3125 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3127 PR tree-optimization/27865
3128 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3130 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3131 fold_used_pointer, pointer_used_p): New functions.
3132 (analyze_scalar_evolution_1): Use fold_used_pointer.
3133 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3134 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3137 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3140 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3141 or the INTEGER_CST. Fail on a CALL_EXPR.
3142 (fold_offsetof): Pass new argument to fold_offsetof_1.
3143 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3144 operand into an INDIRECT_REF.
3145 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3147 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3149 PR gcov/profile/26570
3150 * value-prof.c (static_values): Removed.
3151 (tree_find_values_to_profile): Do not set static_values.
3152 (find_values_to_profile): Do not free static_values.
3153 * profile.c (instrument_values): Do not free the values.
3154 (branch_prob): Free the values.
3156 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3158 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3160 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3163 * c-typeck.c (build_component_ref): Combine qualifiers of
3164 structure or union and field.
3166 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3168 PR rtl-optimization/28071
3169 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3170 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3171 * tree-into-ssa.c (struct dom_dfsnum): New.
3172 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3174 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3175 compute_global_livein.
3176 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3177 in phi nodes in the correct blocks.
3179 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3181 PR tree-optimization/28364
3182 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3184 (fold_affine_expr): New function.
3185 (may_eliminate_iv): Use fold_affine_expr.
3187 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3190 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3193 2006-08-16 Mike Stump <mrs@apple.com>
3195 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3196 * doc/cppopts.texi (-MD): Likewise.
3198 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3201 * c-common.c (handle_weak_attribute): Ignore and warn if
3202 not a FUNCTION_ or VAR_DECL.
3204 2006-07-15 Mike Stump <mrs@apple.com>
3207 * c-parser.c (c_parser_typeof_specifier): Don't use
3208 c_finish_expr_stmt, open code desired semantics instead.
3210 2006-08-15 Nick Clifton <nickc@redhat.com>
3212 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3213 fragment to tmake_file only if threads are enabled.
3214 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3215 * config/i386/t-gthr-win32: New file. ... here.
3217 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3220 * c-parser.c (c_parser_compound_statement_nostart): Reset
3221 parser->error after each statement.
3223 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3226 * omp-low.c (lower_omp_parallel): Convert t to
3227 receiver_decl's type.
3228 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3229 source before comparison.
3232 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3233 to itype in assignment to oldival2.
3235 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3239 * c-typeck.c (build_compound_expr): If the second expression
3240 is an error mark, then just return an error mark instead of
3241 creating a COMPOUND_EXPR.
3243 2006-07-14 Mike Stump <mrs@apple.com>
3245 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3247 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3249 * c-decl.c, var-tracking.c: Fix comment typos.
3251 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3253 PR rtl-optimization/28634
3254 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3255 for floating-point modes unless flag_unsafe_math_optimizations.
3257 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3258 Andrew Pinski <pinskia@physics.uc.edu>
3261 * tree.c (build_array_type): Unify array types with
3262 unspecified index_type.
3263 * c-decl.c (grokdeclarator): Make sure we do not modify a
3264 unified incomplete array type.
3265 * c-typeck.c (store_init_value): Create distinct type before
3266 filling in the index type in an initializer from a compound
3269 * c-decl.c (grokdeclarator): Remove code where we copy the
3272 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3274 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3275 into account for TODO_dump_cgraph.
3276 (TODO_update_ssa_no_phi): Likewise.
3277 (TODO_update_ssa_full_phi): Likewise.
3278 (TODO_update_ssa_only_virtuals): Likewise.
3279 (TODO_remove_unused_locals): Likewise.
3280 (TODO_set_props): Likewise.
3281 (TODO_update_stmt_usage): Likewise.
3283 2006-08-13 Dirk Mueller <dmueller@suse.de>
3285 * c-common.c (strict_aliasing_warning): Fix formatting.
3287 2006-08-13 Matthias Klose <doko@debian.org>
3289 * doc/invoke.texi: Fix spelling errors.
3291 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3293 PR rtl-optimization/23454
3294 * reorg.c (relax_delay_slots): Update comment.
3296 2006-08-11 Richard Guenther <rguenther@suse.de>
3299 * simplify-rtx.c (simplify_const_relational_operation):
3300 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3303 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3305 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3306 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3308 2006-08-10 Paul Brook <paul@codesourcery.com>
3310 * final.c (final_scan_insn): Clear current_insn_predicate before
3311 outputting inline asm.
3313 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3315 PR tree-optimization/26197
3316 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3317 get_ref_base_and_extent and overlap_subvar to add only relevant
3318 subvars as may-aliases.
3319 (add_may_alias_for_new_tag): New function, factored out of
3321 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3322 with additional argument.
3323 * tree-flow.h (new_type_alias): Takes additional argument.
3325 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3327 * gcov.c (no_data_file): New flag.
3328 (read_count_file): Set it if data file not present. Assume counts
3330 (output_lines): Don't name the data file, if there wasn't one.
3332 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3334 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3335 (rs6000_generate_compare): Tweak comments.
3336 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3338 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3340 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3341 (var_debug_decl): New function.
3342 (var_reg_set): Follow debug decl link. Add location even if
3343 reg is already known to hold some other variable.
3344 (var_mem_set): Follow debug decl link.
3345 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3346 decl link. Delete other known locations of the variable part
3348 (var_reg_delete, var_mem_delete): Delete other known locations
3349 of the variable part if requested.
3350 (same_variable_part_p): New function.
3351 (add_stores): Select MO_COPY when appropriate.
3352 (vt_initialize): Handle it.
3353 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3354 known locations for MO_SET and MO_CLOBBER.
3355 (find_variable_location_part): New function.
3356 (set_variable_part, delete_variable_part): Use it.
3357 (clobber_variable_part): New function.
3358 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3361 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3363 PR tree-optimization/26969
3364 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3365 with an empty list of PHIs.
3367 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3371 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3374 2006-08-06 Andreas Schwab <schwab@suse.de>
3376 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3377 string. Whitespace and comment fixup.
3379 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3382 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3386 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3389 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3391 2006-08-04 Jan Hubicka <jh@suse.cz>
3395 * reload.c (push_reload): Patch out the mismatching instruction;
3397 (find_reload): Bail out if the instruction was patched out.
3399 2006-08-04 Jan Hubicka <jh@suse.cz>
3401 PR tree-optimization/24888
3402 * tree-inline.c (expand_call_inline): Do not re-record variables.
3403 (declare_inline_vars): Add variable to unexpanded_var_list.
3405 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3406 Roger Sayle <roger@eyesopen.com>
3408 PR rtl-optimization/26244
3409 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3410 inner_const are negative or greater than or equal to the bitsize of
3411 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3412 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3413 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3414 CONST0_RTX (mode) when the new shift count is greater than or equal to
3415 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3418 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3420 * tree-cfg.c: Fix a comment typo.
3422 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3425 * varasm.c (output_constant): Give the front end another chance to
3426 expand constants, after stripping NOPs.
3428 2006-08-03 Jan Hubicka <jh@suse.cz>
3430 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3433 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3435 PR tree-optimization/27770
3436 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3437 declaration removed (moved to tree-flow.h).
3438 (vect_can_force_dr_alignment_p): Likewise.
3439 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3440 (moved from tree-vectorizer.h).
3441 (vect_can_force_dr_alignment_p): Likewise.
3442 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3443 from outside the vectorizer - in particular from cgraph stage.
3444 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3445 the alignment of global arrays when -fsection-anchors is enabled.
3446 * cgraphunit.c (cgraph_increase_alignment): New function.
3447 (cgraph_optimize): Call cgraph_increase_alignment.
3449 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3452 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3453 not reload a SPE symbol_ref into a lo_sum address.
3455 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3458 * dwarf2out.c (prune_unused_types_prune): Move call to
3459 prune_unused_types_update_strings to cover the parent DIE also.
3461 2006-08-02 Jan Hubicka <jh@suse.cz>
3463 PR gcov/profile/28480
3464 * tree-cfg.c (change_bb_for_stmt): New function.
3465 (tree_merge_blocks, tree_split_blocks): Use it.
3467 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3473 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3474 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3475 (cgraph_optimize): Likewise.
3477 2006-08-01 Stuart Hastings <stuart@apple.com>
3479 * rtl.h (UINTVAL) New.
3480 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3481 * testsuite/gcc.dg/20060801-1.c: New.
3483 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3486 * c-typeck.c (build_external_type): Mark used enum types.
3487 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3489 (gen_subprogram_die): Whitespace fix.
3491 2006-08-01 Jan Hubicka <jh@suse.cz>
3493 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3494 bitmap when not needed.
3495 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3498 2006-08-01 Dirk Mueller <dmueller@suse.de>
3500 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3502 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3504 * Makefile.in: Revert part of previous patch:
3505 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3508 2006-07-30 Eric Christopher <echristo@apple.com>
3511 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3512 (PowerPC Variable Attributes): New section.
3514 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3516 PR target/28126 (partial fix)
3517 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3519 2006-07-28 Jan Hubicka <jh@suse.cz>
3521 PR rtl-optimization/28071
3522 * cfgrtl.c (rtl_delete_block): Free regsets.
3523 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3525 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3527 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3528 and variables used in dependencies.
3530 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3532 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3533 %fs for -mcmodel=kernel.
3534 (stack_tls_protect_test_di): Likewise.
3536 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3538 * Makefile.in: Use mkinstalldirs.
3540 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3543 * opts-common.c (prune_options): Skip joined switches.
3545 2006-07-27 Jan Hubicka <jh@suse.cz>
3547 PR rtl-optimization/28071
3548 * cselib.c (cselib_process_insn): Don't remove useless values too
3549 often for very large hashtables.
3551 2006-07-27 Jan Hubicka <jh@suse.cz>
3553 PR rtl-optimization/28071
3554 * global.c (greg_obstack): New obstack.
3555 (allocate_bb_info): Use it.
3556 (free_bb_info): Likewise.
3557 (modify_reg_pav): Likewise.
3559 2006-07-27 Roger Sayle <roger@eyesopen.com>
3561 * builtins.c (fold_fixed_mathfn): When long and long long are the
3562 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3563 functions to their lceil*, lfloor*, lround* and lrint* forms.
3565 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3568 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3570 (rev_branch_insn): Likewise.
3572 2006-07-27 Jan Hubicka <jh@suse.cz>
3574 PR rtl-optimization/28071
3575 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3576 (reg_set_in_bb, max_reg_computed): New static variables.
3577 (regmove_optimize): Free the new array.
3578 (fixup_match_1): Update call of reg_is_remote_constant_p.
3580 2006-07-26 Jan Hubicka <jh@suse.cz>
3582 PR tree-optimization/27882
3583 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3585 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3587 (cgraph_analyze_compilation_unit): Likewise.
3588 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3589 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3590 (cgraph_early_inlinine): Make order garbage collected.
3591 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3593 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3595 * dbxout.c (output_types_sort): Add a comment.
3596 (output_used_types): Free the VEC.
3598 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3600 * function.c (reorder_fix_fragments): Delete.
3601 (reorder_blocks): Don't call it.
3602 (reorder_blocks_1): Put all subblocks under the origin block.
3604 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3606 PR rtl-optimization/27907
3607 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3610 2006-07-25 Roger Sayle <roger@eyesopen.com>
3613 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3614 bar(x) check that bar's result type can represent all the values of T.
3616 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3618 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3620 2006-07-25 Nick Clifton <nickc@redhat.com>
3622 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3623 size_lookup[] array.
3624 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3625 (ggc_pch_count_object): Likewise.
3626 (ggc_pch_alloc_object): Likewise.
3627 (ggc_pch_write_object): Likewise.
3628 (init_ggc): Do not attempt to initialize entries in the
3629 size_lookup[] array for objects whose size is greater than than
3630 the length of the array.
3632 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3634 * dbxout.c (output_used_types_helper): Push queued types
3636 (output_types_sort): New.
3637 (output_used_types): Collect used types on a VEC and sort them
3640 2006-07-24 Richard Guenther <rguenther@suse.de>
3643 * cgraph.c (cgraph_remove_node): Do not check if dumps
3645 * cgraphunit.c (cgraph_optimize): Likewise.
3647 2006-07-24 Jan Hubicka <jh@suse.cz>
3649 PR rtl-optimization/28071
3650 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3651 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3652 splitting before first stmt.
3654 2006-07-24 Jan Hubicka <jh@suse.cz>
3656 PR rtl-optimization/28071
3657 * ipa-inline.c (update_caller_keys): Remove edges that
3658 are no longer inline candidates.
3660 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3663 * dbxout.c (output_used_types_helper, output_used_types): New.
3664 (dbxout_symbol): Call output_used_types.
3666 2006-07-23 Jan Hubicka <jh@suse.cz>
3670 * cgraph.c (cgraph_varpool_nodes): Export.
3671 (decide_is_variable_needed): Ignored "used" attribute in
3672 unit-at-a-time mode.
3673 * cgraph.h (cgraph_varpool_nodes): Declare.
3674 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3675 unit-at-a-time mode.
3677 2006-07-23 Roger Sayle <roger@eyesopen.com>
3680 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3681 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3682 the __gthrw form of thr_keycreate.
3683 (__gthread_key_delete): Silence the unused argument warning.
3685 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3688 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3689 Cache the last found '\0' marker to avoid quadratic behavior.
3691 2006-07-23 Jan Hubicka <jh@suse.cz>
3693 * i386.md (subsi_3_zext): Fix output template.
3695 2006-07-21 Mike Stump <mrs@apple.com>
3697 * doc/invoke.texi (C++ Dialect Options): Note that
3698 -fvisibility-inlines-hidden doesn't affect explicitly
3699 instantiationed inline methods.
3701 2006-07-20 Roger Sayle <roger@eyesopen.com>
3703 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3704 if the target assembler is GNU binutils' gas.
3705 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3706 whether to pass GNU gas or native as command line options.
3708 2006-07-20 Jason Merrill <jason@redhat.com>
3710 * tree.c (remove_attribute): New fn.
3711 * tree.h: Declare it.
3713 2006-07-20 Paul Brook <paul@codesourcery.com>
3716 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3717 they are invalidated by this instruction.
3719 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3722 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3724 2006-07-20 Eric Christopher <echristo@apple.com>
3727 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3729 2006-07-19 Eric Christopher <echristo@apple.com>
3731 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3732 Rewrite dependencies for libgcc_s.1.dylib.
3734 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3736 * except.c (duplicate_eh_regions_1): Clear next_peer.
3738 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3740 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3741 -mlongcall does not guarantee all calls will be long.
3742 * doc/extend.texi (long_call/short_call): Document that longcall
3743 does not guarantee a long call will be used.
3744 (longcall/shortcall): Likewise.
3746 2006-07-18 Roger Sayle <roger@eyesopen.com>
3749 * expmed.c (expand_shift): Additionally check that the shift_cost
3750 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3751 before implementing a LSHIFT_EXPR as a sequence of additions.
3752 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3753 middle-end that DImode shifts need to be synthesized by expand.
3755 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3758 * tree-ssa-operands.c (access_can_touch_variable): Update
3760 Return true if ALIAS is .GLOBAL_VAR.
3762 2006-07-18 David Daney <ddaney@avtrex.com>
3764 * gcc.c (display_help): Fix typo in help text.
3766 2006-07-18 Olivier Hainque <hainque@adacore.com>
3768 * tree.h (categorize_ctor_elements): Adjust prototype and add
3769 descriptive comment, both in accordance with the interface change
3771 * varasm.c (constructor_static_from_elts_p): New function.
3772 Whether a constructor node is a valid static constant initializer
3773 if all its elements are.
3774 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3775 * output.h: Declare it.
3776 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3777 is a valid constant initializer instead of computing the number of
3778 non-constant elements. Use constructor_static_from_elts_p for this
3779 purpose. Replace the head comment with an indication that this is a
3780 helper for categorize_ctor_elements.
3781 (categorize_ctor_elements): Same interface change as for the _1
3782 helper. Former head comment from this helper moved here, adjusted to
3783 account for the interface changes.
3784 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3785 (all_zeros_p): Likewise.
3786 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3787 static versions of the constructor from the categorize_ctor_elements
3788 return value instead of the formerly computed number of non-constant
3791 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3793 * configure: Regenerate.
3794 * Makefile.in (build_libsubdir): New configure substitution
3795 (build_libobjdir): New variable.
3796 (BUILD_LIBIBERTY): Use it.
3798 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3801 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3803 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3806 * c-common.c (handle_weakref_attribute): Ignore attribute in
3807 the same conditions the alias attribute is ignored.
3809 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3811 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3812 (dbxout_begin_prologue): Increment scope_labelno.
3814 2006-07-17 Richard Henderson <rth@redhat.com>
3817 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3820 2006-07-17 Roger Sayle <roger@eyesopen.com>
3821 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3823 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3824 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3825 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3826 functions such as sbrk, write, etc.. Add function prototypes.
3827 Convert function declarations from K&R to ISO C. Cast pointers
3828 to "long" and "unsigned long" instead of "int" and "unsigned int".
3829 Convert tokens following #endif into comments.
3831 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3833 * invoke.texi: Remove mention of f77; Reformat table for
3834 inline parameter options correctly; mention that -malign-double
3835 is default on x86-64 targets.
3837 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3839 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3840 (convert_affine_scev, chrec_convert_aggressive): Use
3841 avoid_arithmetics_in_type_p. Do not check for the subtypes
3844 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3847 * optabs.c (expand_doubleword_shift): Wrap the call to
3848 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3850 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3853 * optabs.c (expand_binop): Pass next_methods rather than methods
3854 to expand_doubleword_shift.
3856 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3859 * tree.h (dump_addr): Declare.
3860 * print-tree.c (dump_addr): New function.
3861 (print_node_brief, print_node): Use it.
3862 * print-rtl.c (print_rtx): Likewise.
3863 * common.opt (-fdump-noaddr): New option.
3864 * doc/invoke.texi (-fdump-noaddr): Document.
3865 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3866 (ve_info_hash): Likewise.
3868 2006-07-13 Andrew Haley <aph@redhat.com>
3870 PR tree-optimization/19505
3871 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3872 edge leaving this block, make sure that the destination of this
3873 block has only one predecessor.
3875 2006-07-17 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/28238
3878 * tree-inline.c (copy_bb): Check if we produced valid
3879 gimple copying and substituting a stmt. If not, gimplify
3882 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3884 * optabs.c (maybe_encapsulate_block): New function extracted from...
3885 (emit_libcall_block): ...here. Invoke it on the block of insns to
3886 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3887 (emit_no_conflict_block): Likewise.
3889 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3891 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3893 2006-07-15 Roger Sayle <roger@eyesopen.com>
3895 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3896 a new NOP_EXPR case of the switch statement.
3898 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3901 * stor-layout.c (place_field): Take the bit field with
3902 an excessive size into account in the ms-bitfiled case.
3905 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3906 the previous bit field.
3908 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3911 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3913 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3915 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3916 signal frames correctly even when the signal was installed with
3919 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3921 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3922 (dbxout_function_end): Use local label LFBB. Remove hook
3924 (dbxout_source_line): Use local label LFBB.
3925 (dbxout_block): Likewise.
3926 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3927 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3928 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3929 and DBX_OUTPUT_NFUN.
3931 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3933 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3935 2006-07-13 Jan Hubicka <jh@suse.cz>
3937 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3939 * output.h (align_variable): Declare.
3940 * varasm.c (align_variable): Export.
3941 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3942 when basic block changed.
3944 2006-07-13 Nick Clifton <nickc@redhat.com>
3946 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3947 walking the LOG_LINKS chain.
3949 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3951 * doc/invoke.texi (C++ Dialect Options): Explain difference
3952 between -fvisibility-inlines-hidden and setting hidden
3953 visibility explicitly.
3955 2006-07-12 Eric Christopher <echristo@apple.com>
3957 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3958 (stmp-lipo): Depend on libgcc.a.
3960 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3962 * tree.c: Fix a comment typo.
3964 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3966 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3968 (umulhisi3_r): Likewise.
3970 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3973 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3974 x < 19, vs wchar_t support.
3976 2006-07-12 Nick Clifton <nickc@redhat.com>
3978 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3979 instead of -isa=sh4.
3981 2006-07-12 Mike Stump <mrs@apple.com>
3983 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3985 2006-07-10 Eric Christopher <echristo@apple.com>
3987 * config/t-slibgcc-darwin: Rewrite.
3989 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3992 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3995 2006-07-08 Matthias Klose <doko@debian.org>
3997 * doc/sourcebuild.texi: Fix typo.
3999 2006-07-07 Mike Stump <mrs@apple.com>
4001 * toplev.c (process_options): Don't give -ffunction-sections may
4002 affect debugging warning for Mach-O.
4004 2006-07-07 James E Wilson <wilson@specifix.com>
4006 * config/mips/mips.md (cpu): Add sb1a.
4007 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4008 addition to sb1. Adjust comments to clarify SB-1A differences from
4010 (ir_sb1a_load): New. Modify bypasses to use it.
4011 (ir_sb1a_simple_alu): Likewise.
4012 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4013 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4014 (mips_issue_rate): Add PROCESSOR_SB1A.
4015 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4016 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4017 (TARGET_SB1): Add PROCESSOR_SB1A check.
4018 (TUNE_SB1): Likewise.
4020 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4021 * config/mips/mips.c (mips_store_data_bypass_p): New.
4022 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4023 store_data_bypass_p.
4025 2006-07-08 Paul Brook <paul@codesourcery.com>
4028 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4030 2006-07-07 Richard Guenther <rguenther@suse.de>
4033 * tree.h (build_one_cst): Declare.
4034 * tree.c (build_one_cst): New function.
4035 * tree-ssa-math-opts.c (get_constant_one): Remove.
4036 (insert_reciprocals): Use build_one_cst.
4037 * fold-const.c (fold_plusminus_mult): Likewise.
4039 2006-07-07 Roger Sayle <roger@eyesopen.com>
4041 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4042 * cfgloopanal.c (dump_graph): Likewise.
4043 * dojump.c (discard_pending_stack_adjust): Likewise.
4044 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4046 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4047 * function.c (finalize_block_changes): Likewise.
4048 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4049 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4050 * rtl.c (dump_rtx_statistics): Likewise.
4051 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4053 * varray.c (dump_varray_statistics): Likewise.
4054 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4055 decode_decimal64, encode_decimal128, decode_decimal128,
4056 decimal_real_to_decimal): Likewise.
4058 2006-07-07 Richard Guenther <rguenther@suse.de>
4060 PR tree-optimization/28187
4061 * tree-vrp.c (vrp_operand_equal_p): New function.
4062 (vrp_bitmap_equal_p): Likewise.
4063 (update_value_range): Use them to compare old and new
4066 2006-07-06 Roger Sayle <roger@eyesopen.com>
4068 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4069 a default case to switch statement to silence compiler warnings.
4071 2006-07-06 Roger Sayle <roger@eyesopen.com>
4074 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4075 the configured assembler supports the x87's ffreep mnemonic.
4076 * configure: Regenerate.
4077 * config.in: Regenerate.
4079 * config/i386/i386.c (output_387_ffreep): New function.
4080 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4081 (output_387_reg_move): Likewise.
4083 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4085 Port to hosts whose 'sort' and 'tail' implementations
4086 treat operands with leading '+' as file names, as POSIX
4087 has required since 2001. However, make sure the code still
4088 works on pre-POSIX hosts.
4089 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4090 which says you should use "tail -c +N" rather than "tail +Nc".
4091 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4093 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4095 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4098 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4101 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4102 PRE_{INC,DEC} of TFmode.
4104 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4105 Alan Modra <amodra@bigpond.net.au>
4108 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4111 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4114 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4115 Remove duplicate gtu.
4117 2006-07-05 Jason Merrill <jason@redhat.com>
4121 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4122 * c-common.c (handle_packed_attribute): So don't copy it here.
4123 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4125 2006-07-05 Mike Stump <mrs@apple.com>
4127 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4129 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4132 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4134 2006-07-05 Richard Guenther <rguenther@suse.de>
4137 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4138 TARGET_SSE2 targets if using SSE math.
4139 (*absdf2_1): Likewise.
4141 2006-07-05 Richard Guenther <rguenther@suse.de>
4143 PR tree-optimization/28162
4144 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4145 make sure to convert the operands to the correct type.
4147 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4149 PR tree-optimization/28218
4151 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4152 to calculate and free the dominator information.
4154 2006-07-04 Peter O'Gorman <peter@pogma.com>
4156 * mklibgcc.in: chmod 644 before ranlib during install.
4158 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4159 J"orn Rennecke <joern.rennecke@st.com>
4161 * configure.ac (.eh_frame data check): Use diff -b.
4163 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4166 * Makefile.in (BUILD_RTL): Add build/vec.o.
4167 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4168 (build/genextract): Delete.
4169 (build/genautomata): Likewise.
4171 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4174 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4175 128-bit IBM long doubles for ABI_V4.
4177 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4179 * tree.c (range_in_array_bounds_p): New predicate.
4180 * tree.h (range_in_array_bounds_p): Declare it.
4181 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4182 return a less conservative answer.
4183 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4184 and flag 'is_group'.
4185 (IS_ELEMENT_FOR_GROUP): New macro.
4186 (FOR_EACH_ACTUAL_CHILD): Likewise.
4187 (next_child_for_group): New helper function.
4188 (can_completely_scalarize_p): Take into account groups.
4189 (sra_hash_tree): Handle RANGE_EXPR.
4190 (sra_elt_eq): Likewise.
4191 (lookup_element): Be prepared for handling groups.
4192 (is_valid_const_index): Delete.
4193 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4194 instead of is_valid_const_index.
4195 <ARRAY_RANGE_REF>: New case.
4196 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4197 is_valid_const_index.
4198 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4199 (scan_dump): Dump info for groups too.
4200 (decide_instantiation_1): Likewise.
4201 (decide_block_copy): Assert that the element is not a group.
4202 Propagate decision to groups.
4203 (generate_one_element_ref): Handle RANGE_EXPR.
4204 (mark_no_warning): Iterate over actual childs.
4205 (generate_copy_inout): Likewise.
4206 (generate_element_copy): Likewise.
4207 (generate_element_zero): Likewise.
4208 (generate_element_init_1): Likewise.
4209 (dump_sra_elt_name): Handle RANGE_EXPR.
4211 2006-07-03 Roger Sayle <roger@eyesopen.com>
4213 PR tree-optimization/26251
4214 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4215 (thread_block): When optimizing for size refuse to thread jumps
4216 that would require duplication of blocks other than redirection
4219 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4221 * configure.ac: Fix thinko in previous check-in.
4222 * configure: Regenerate.
4224 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4227 * configure.ac (for lang...): Simplify nesting of conditionals.
4228 Test subdir_requires for non-enabled languages. Move processing
4229 of lang_opt_files and lang_tree_fiels below that test.
4230 * configure: Regenerate.
4231 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4233 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4235 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4237 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4239 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4242 2006-06-29 Jason Merrill <jason@redhat.com>
4249 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4250 * c-common.c (c_determine_visibility): Handle it here.
4251 * c-decl.c (finish_decl): Call c_determine_visibility for
4253 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4255 * varasm.c (default_assemble_visibility): Likewise.
4256 * c-common.c (handle_visibility_attribute): Complain about trying
4257 to give visibility to an already defined class, or trying to change
4258 declared visibility. Always attach the attribute.
4263 * attribs.c (decl_attributes): Ignore type-in-place attributes
4264 once the type has been defined.
4266 2006-06-29 Roger Sayle <roger@eyesopen.com>
4269 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4270 to indicate the cpplib has issued an error message for us.
4272 2006-06-29 Asher Langton <langton2@llnl.gov>
4275 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4276 insert a label at the end of an function under Mach-O.
4278 2006-06-29 Eric Christopher <echristo@apple.com>
4279 Evan Cheng <evan.cheng@apple.com>
4281 * predicates.md (vector_all_ones_operand): New.
4282 (nonimmediate_or_sse_const_operand): Ditto.
4283 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4284 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4285 (standard_sse_mode_p): Ditto.
4286 (standard_sse_constant_p): Add case for -1 vector.
4287 (ix86_expand_vector_move): Try to use.
4288 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4289 Call standard_sse_constant_opcode.
4290 (*movv4sf_internal): Ditto.
4291 (*movv2df_internal): Ditto.
4293 2006-06-29 Roger Sayle <roger@eyesopen.com>
4295 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4296 of XEXP to extract the operands of a MATCH_CODE rtx.
4298 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4300 * tree.c (tree_size): Do not waste tail padding in
4301 struct tree_string and make the size be the same as
4302 build_string will generate.
4304 2006-06-28 Jason Merrill <jason@redhat.com>
4307 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4308 may_aliases already in the tag's annotations to the bitmap.
4310 2006-06-28 Roger Sayle <roger@eyesopen.com>
4312 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4314 2006-06-28 Roger Sayle <roger@eyesopen.com>
4316 * genpreds.c (generate_switch_p): New function.
4317 (add_mode_tests): Push the new mode test down inside an AND expr
4318 if this allows the switch-suitable MATCH_CODE to be near the root.
4319 (write_match_code_switch): New function to write a MATCH_CODE as
4321 (write_predicate_stmts): New function to write a predicate RTX
4322 expression as a sequence of statements.
4323 (write_one_predicate_function): Use write_predicate_stmts.
4324 (write_tm_constrs_h): Likewise.
4326 2006-06-26 Fred Fish <fnf@specifix.com>
4328 * config/mips/t-sb1: New file.
4329 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4332 2006-06-26 DJ Delorie <dj@redhat.com>
4334 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4336 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4337 Jayant Sonar <jayants@kpitcummins.com>
4338 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4340 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4341 (subsi3, subsi3_1, subsi3_2): New.
4342 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4343 * config/m32c/mov.md (SI mov peephole): New.
4344 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4345 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4347 2006-06-26 Olivier Hainque <hainque@adacore.com>
4349 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4350 a CALL_EXPR target function declaration.
4352 2006-06-26 Richard Guenther <rguenther@suse.de>
4354 * tree.c (build_string): Do not waste tail padding in
4357 2006-06-26 Richard Guenther <rguenther@suse.de>
4359 * ggc-page.c (init_ggc): Add missing element to size_lookup
4363 2006-06-23 Richard Guenther <rguenther@suse.de>
4365 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4366 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4367 alignment requests instead. Add verification code.
4368 Add struct tree_function_decl and struct tree_binfo size to
4369 extra_order_size_table. Add missing element to size_lookup
4372 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4375 * fold-const.c (const_binop): Be prepared for self returning zero.
4376 Simplify code handling complex values.
4378 2006-06-24 Olivier Hainque <hainque@adacore.com>
4380 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4381 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4384 2006-06-24 Olivier Hainque <hainque@adacore.com>
4386 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4387 ARRAY_REF, so have the callback called for the low bound expression.
4389 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4391 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4392 * c-typeck.c (c_common_type): Disallow operations on decimal float
4393 types and other float types.
4394 * convert.c (convert_to_real): Don't ignore conversions involving
4395 decimal float types.
4397 2006-06-23 Olivier Hainque <hainque@adacore.com>
4399 * tree.c (max_int_size_in_bytes): New function, inspired from
4400 code in function.c:assign_temp.
4401 * tree.h (max_int_size_in_bytes): Declare.
4402 * function.c (assign_temp): Use it.
4403 * gimplify.c (create_tmp_var): Relax the assertions on the type
4404 properties, not mandating constant size any more.
4405 (force_constant_size): New static function.
4406 (gimple_add_tmp_var): Use it, forcing variable size to a
4407 constant upper bound if it is not constant on entry.
4409 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4412 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4413 for initialization and setting of one_only flag to ...
4414 (i386_pe_encode_section_info): ...here.
4415 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4416 Recheck that the symbol has not been defined.
4418 2006-06-23 Richard Guenther <rguenther@suse.de>
4420 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4421 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4422 alignment requests instead. Add verification code.
4423 Add struct tree_function_decl and struct tree_binfo size to
4424 extra_order_size_table. Add missing element to size_lookup
4427 2006-06-22 Roger Sayle <roger@eyesopen.com>
4428 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4431 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4432 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4434 2006-06-23 Ben Elliston <bje@au.ibm.com>
4436 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4437 negate dn -- manipulate it directly.
4439 2006-06-22 Roger Sayle <roger@eyesopen.com>
4440 Steven Bosscher <stevenb.gcc@gmail.com>
4443 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4444 generated by gen_move_insn to add REG_LABEL notes if necessary.
4446 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4448 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4449 (leaf_entry): Remove use of MIN_ESA.
4451 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4453 PR rtl-optimization/28121
4454 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4457 2006-06-21 DJ Delorie <dj@redhat.com>
4459 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4461 (mulhisi3_r): Likewise.
4463 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4466 * coverage.c (coverage_counter_alloc): Leave the index type
4468 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4471 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4473 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4474 section from the "Options for Code Generation Conventions".
4476 2006-06-21 Richard Henderson <rth@redhat.com>
4480 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4482 (global_symbolic_operand): Allow weak symbols, even if local_p.
4484 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4486 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4487 (find_interesting_uses_address): Punt if above function returns true.
4489 2006-06-21 Richard Guenther <rguenther@suse.de>
4491 * configure: Regenerated.
4493 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4495 * config/mips/mips.c (function_arg): Where one part of a
4496 complex argument is in registers and the other part in the stack,
4497 return a REG not a PARALLEL.
4499 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4501 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4502 when cross-compiling. Do not substitute libstdcxx_incdir.
4503 * configure: Regenerated.
4505 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4507 * varasm.c (mergeable_string_section): Check for embedded NULs and
4508 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4509 rather than TREE_STRING_LENGTH bytes.
4511 2006-06-21 Richard Guenther <rguenther@suse.de>
4513 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4514 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4517 2006-06-21 Richrad Guenther <rguenther@suse.de>
4519 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4520 Limit iteration over the dominators.
4522 2006-06-20 Roger Sayle <roger@eyesopen.com>
4524 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4525 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4527 2006-06-20 Richard Guenther <rguenther@suse.de>
4528 Michael Matz <matz@suse.de>
4530 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4532 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4533 * et-forest.h (et_free_pools): Prototype new function.
4534 * et-forest.c (et_free_tree_force): Free parent occurrence.
4535 (et_free_pools): New function.
4536 * dominance.c (free_dominance_info): Free et-forest alloc
4539 2006-06-20 Roger Sayle <roger@eyesopen.com>
4541 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4542 integer modes, attempt to directly construct an integer constant.
4544 * fold-const.c (native_encode_vector): Determine the size of each
4545 element from the vector type instead of the first vector element.
4547 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4548 if all of its elements/components are constant.
4549 (build_constructor_from_list): Likewise.
4551 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4553 PR tree-optimization/27331
4554 * tree-data-ref.c (free_data_ref): New function.
4555 (create_data_ref): Fail if the data reference has unknown access
4557 (free_data_refs): Use free_data_ref.
4559 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4562 * tree-inline.c (setup_one_parameter): Strip useless
4563 type conversion before adding it to the IR.
4564 (declare_return_variable): Likewise.
4566 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4569 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4571 2006-06-19 Mike Stump <mrs@apple.com>
4573 * tree.c (variably_modified_type_p): VM arguments don't make the
4576 2006-06-19 Richard Guenther <rguenther@suse.de>
4578 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4579 type conversions after folding.
4581 2006-06-19 Richard Guenther <rguenther@suse.de>
4583 * ggc-page.c (extra_order_size_tab): Add entries with
4584 size of struct function and basic_block.
4585 (size_lookup): Extend to cover sizes up to 511.
4586 (ggc_alloc_stat): Adjust user.
4587 (ggc_pch_count_object): Likewise.
4588 (ggc_pch_alloc_object): Likewise.
4589 (ggc_pch_write_object): Likewise.
4591 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4593 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4594 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4597 2006-06-19 Denis Chertykov <denisc@overta.ru>
4599 * config/avr/libgcc.S : Correct my wrong previous commit.
4601 2006-06-19 Roger Sayle <roger@eyesopen.com>
4604 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4605 have stripped a SUBREG from the shift count, so we may need to
4606 convert_to_mode back to the type's mode before calling make_tree.
4607 Use new_amount instead of amount to avoid expanding a tree twice.
4609 2006-06-19 Richard Guenther <rguenther@suse.de>
4612 * fold-const.c (operand_equal_p): Check if the argument types
4613 have the same precision before stripping NOPs.
4615 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4617 Fix PR tree-optimization/27341
4618 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4620 * tree-complex.c (pass_lower_complex): Update SMT usage.
4622 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4624 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4625 Add a new alternative to the constraint strings. Add move of
4626 operand 1 to 3 to the splitter definition.
4627 ("doloop_si_long"): Second contraint alternative removed.
4629 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4631 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4632 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4634 (AVR_HAVE_MOVW) Define.
4635 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4636 (ASM_SPEC): Add avr25.
4637 (LINK_SPEC): Add avr25.
4638 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4639 (base_arch_s): Add new member 'have_movw_lpmx'.
4640 (avr_arch_types): Init 'have_movw_lpmx'.
4641 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4642 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4643 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4644 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4645 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4647 (avr_file_start): Do not output '.arh' derective.
4648 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4649 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4650 * config/avr/avr.md (mcu_enhanced): Delete.
4651 (mcu_have_movw): Define.
4652 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4653 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4654 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4655 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4656 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4657 attiny861 and at86rf401 devices.
4659 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4661 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4664 2006-06-17 Karl Berry <karl@gnu.org>
4666 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4667 doc/gccint.texi, doc/install.texi (@dircategory): Use
4668 "Software development" instead of "Programming", following
4669 the Free Software Directory.
4671 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4673 * config/i386/i386.c (legitimate_tls_address)
4674 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4675 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4676 (*tls_dynamic_gnu2_combine_64): Likewise.
4678 2006-06-16 Richard Guenther <rguenther@suse.de>
4681 * fold-const.c (negate_expr_p): Do not introduce undefined
4682 overflow in negating INTEGER_CSTs.
4683 (fold_negate_expr): Rename from negate_expr. Revert last
4684 change for folding BIT_NOT_EXPR. Change semantics to
4685 return NULL_TREE for non-simplified negations. Do not
4686 strip type conversions and unify type handling.
4687 (negate_expr): New function, wrap around fold_negate_expr
4688 but ensure building a tree always. Strip type conversions
4689 here, fold to result type.
4690 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4692 2006-06-16 Roger Sayle <roger@eyesopen.com>
4695 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4696 that (would) return their results in stack registers.
4698 2006-06-16 Michael Matz <matz@suse.de>
4699 Richard Guenther <rguenther@suse.de>
4701 * fold-const.c (fold_truthop): Only return new tree node if
4702 we canonicalized something.
4704 2006-06-16 Richard Guenther <rguenther@suse.de>
4706 * function.h (enum function_frequency): Move declaration
4707 out of struct function.
4708 (struct function): Move bool fields and the enum to the bitfield
4709 section. Reorder elements to avoid padding. Remove unused
4710 fields left over from the RTL inliner removal.
4711 * function.c (free_after_compilation): Do not zero removed fields.
4712 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4713 (ipa-type-escape.o): Likewise.
4715 2006-06-16 Richard Guenther <rguenther@suse.de>
4717 * cgraph.h (struct cgraph_local_info): Turn bool elements
4719 (struct cgraph_node): Likewise.
4720 (struct cgraph_varpool_node): Likewise.
4722 2006-06-15 Richard Guenther <rguenther@suse.de>
4724 * fold-const.c (fold_truth_not_expr): Rename from
4725 invert_truthvalue. Give it fold_* semantics to avoid
4727 (invert_truthvalue): New function. Wrapper around
4728 fold_truth_not_expr.
4729 (optimize_minmax_comparison): Avoid creating garbage.
4730 (fold_unary): Use fold_truth_not_expr for folding
4732 (fold_ternary): Replace uses of invert_truthvalue with
4733 fold_truth_not_expr where applicable.
4734 * tree.h (fold_truth_not_expr): Prototype.
4736 2006-06-16 Richard Guenther <rguenther@suse.de>
4738 PR tree-optimization/27781
4739 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4740 * ipa-pure-const.c (target.h): Include.
4741 (analyze_function): Do not analyze functions that do not
4744 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4747 * tree-dfa.c (referenced_vars_dup_list): Remove.
4748 (find_referenced_vars): Remove assert.
4749 (referenced_var_check_and_insert): Replace dup list with assert.
4750 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4751 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4753 2006-06-15 Richard Guenther <rguenther@suse.de>
4755 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4756 extra unused identifiers if not dumping.
4757 (create_variable_info_for): Likewise.
4759 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4761 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4762 (derive_constant_upper_bound): Derive more precise upper bound in
4763 common cases. Return type changed to double_int.
4764 (record_estimate): Reflect the changed return type of
4765 derive_constant_upper_bound.
4766 * double-int.c (double_int_zext, double_int_sext): Fix.
4768 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4770 * configure.ac (CFLAGS): Get them from the toplevel or from the
4771 configure invocation.
4772 * configure: Regenerate.
4773 * Makefile.in (CFLAGS): Substitute value provided by configure.
4775 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4778 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4779 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4780 rather than calling add_stmt on it.
4781 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4783 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4786 * reload1.c (reload): Remove registers returned by update_eliminables
4787 from used_spill_regs.
4789 2006-06-13 DJ Delorie <dj@redhat.com>
4791 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4793 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4795 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4796 html__strip_dir, html__mkdir_p. Enhance install-html target.
4797 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4798 * configure: Regenerate.
4800 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4802 * fold-const.c (fold_cond_expr_with_comparison): Check for
4803 Objective-C++ as language in deciding COND_EXPR transformation.
4805 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4808 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4809 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4810 * config/sh/lib1funcs.h (SL, SL1): Define.
4811 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4812 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4813 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4814 (OBJS_Os_4_200): New variable.
4815 ($(T)libgcc-Os-4-200.a): Use it.
4816 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4817 when dividing 1 and/or by 0.
4819 2006-06-13 Roger Sayle <roger@eyesopen.com>
4821 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4822 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4823 * configure: Regenerate.
4825 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4827 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4828 for real instruction.
4830 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4833 * haifa-sched.c (check_cfg): Handle special case.
4835 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4838 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4839 Add debug_info parameter. Chain the vars to the BLOCK instead
4840 of the BIND_EXPR if debug info are requested for them.
4841 (pop_gimplify_context): Adjust for above change.
4842 (gimple_add_tmp_var): Likewise.
4843 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4845 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4846 (convert_local_reference): Likewise.
4847 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4848 (finalize_nesting_tree_1): Request that debug info be emitted
4849 for debug_var_chain.
4851 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4853 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4854 for PR target/27863.
4856 2006-06-13 Richard Guenther <rguenther@suse.de>
4859 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4861 2006-06-13 Richard Guenther <rguenther@suse.de>
4863 PR tree-optimization/27830
4864 * tree-inline.c (copy_body_r): For copying the operand
4865 of an ADDR_EXPR make sure to fold &* afterwards.
4867 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4869 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4870 lvalues in the fb_none case with side-effects.
4872 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4874 * tree-flow.h: Remove the prototype for
4875 compute_phi_arg_on_exit.
4876 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4877 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4880 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4882 * builtins.c (expand_builtin_return_addr): Only use
4883 frame_pointer_rtx when count == 0 and we are expanding
4884 __builtin_return_address.
4886 2006-06-12 Fred Fish <fnf@specifix.com>
4888 * config/mips/mips.c (mips_file_start): Create special section
4889 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4891 2006-06-11 Eric Christopher <echristo@apple.com>
4894 * stor-layout.c (place_field): Remove check for
4895 remaining_in_alignment when aligning at the end of a run.
4897 2006-06-11 Eric Christopher <echristo@apple.com>
4900 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4903 2006-06-11 Roger Sayle <roger@eyesopen.com>
4906 Revert incorrect fix for PR target/27158
4907 2006-05-08 Roger Sayle <roger@eyesopen.com>
4908 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4909 of a reg_equiv_constant if the result is a legitimate constant.
4911 2006-06-11 Roger Sayle <roger@eyesopen.com>
4914 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4915 extract a CONST_VECTOR element and interpret it as an integer.
4916 (vspltis_constant): Use const_vector_elt_as_int instead of the
4917 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4918 * config/rs6000/predicates.md (easy_vector_const): Consider
4919 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4921 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4924 * stor-layout.c (update_alignment_for_field): Don't add extra
4925 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4928 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4930 * config/mips/t-rtems: Add EL/EB multilib variants.
4932 2006-06-09 Mike Stump <mrs@apple.com>
4934 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4936 2006-06-09 David Daney <ddaney@avtrex.com>
4938 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4940 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4942 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4944 2006-06-09 Richard Guenther <rguenther@suse.de>
4946 PR tree-optimization/26998
4947 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4948 of signed types, only TYPE_MIN_VALUE is special, but for both,
4949 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4950 in this case, as is -fwrapv.
4952 2006-06-08 Mike Stump <mrs@apple.com>
4955 * config/darwin.c (darwin_asm_output_anchor): Disable
4956 -fsection-anchors on darwin for now.
4957 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4958 * rs6000/rs6000.c (optimization_options): Likewise.
4960 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4963 * config/i386/i386.c (classify_argument): Skip fields with invalid
4966 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4968 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4969 (cse_insn): Likewise for the stack_pointer_rtx.
4971 2006-06-08 Roger Sayle <roger@eyesopen.com>
4973 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4974 conditions from floating point comparisons.
4976 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4979 * expmed.c (struct alg_hash_entry): Fix type of field T
4980 to match synth_mult argument.
4981 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4983 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4986 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4989 2006-06-08 Richard Guenther <rguenther@suse.de>
4992 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4993 only, if overflow is defined and not trapping.
4994 (negate_expr): Likewise.
4996 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4998 PR tree-optimization/27872
4999 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5000 flag on the new exit edge of the unrolled loop.
5002 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5004 PR rtl-optimization/26449
5005 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5007 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5010 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5011 referenced_variables with matching DECL_UID's.
5012 (find_referenced_vars): Make sure duplicate list is empty to start.
5013 (referenced_var_p): Remove.
5014 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5015 Check if var is in the list, and add if needed. Update the duplicate
5016 list if a different var is in the list with the same DECL_UID.
5017 (add_referenced_var): Call routine to check and insert.
5018 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5019 * tree-flow.h (referenced_vars_dup_list): External declaration.
5021 2006-06-07 Fred Fish <fnf@specifix.com>
5023 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5026 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5029 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5030 the imaginary and real parts of a clobbered register.
5031 Emit insn to set the imaginary part.
5033 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5035 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5036 in lieu of unwind-dw2-fde.c.
5038 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5040 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5042 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5045 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5046 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5047 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5048 V4SImode temporaries and operations instead.
5050 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5052 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5055 2006-06-06 Mike Stump <mrs@apple.com>
5057 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5058 installing during build.
5060 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5062 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5064 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5065 * config/ia64/ia64.c (params.h): New header.
5066 (ia64_optimization_options): New function to adjust parameters.
5067 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5068 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5069 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5071 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5073 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5075 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5078 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5080 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5081 Victor Kaplansky <victork@il.ibm.com>
5083 PR tree-optimization/26360
5084 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5087 2006-06-04 Roger Sayle <roger@eyesopen.com>
5088 Andrew Pinski <pinskia@physics.uc.edu>
5091 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5092 for LABEL_DECL before calling DECL_WEAK.
5095 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5096 LABEL_DECL and PARM_DECL.
5098 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5102 * c-decl.c (grokdeclarator): Disallow variably modified types at
5103 file scope. Avoid marking shared array type of constant size as
5106 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5109 * c-common.c (fold_offsetof_1): Handle static members.
5111 2006-06-04 Eric Christopher <echristo@apple.com>
5113 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5114 (debug_rli): Output value for remaining_in_alignment.
5115 (update_alignment_for_field): Unconditionalize
5116 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5117 extra alignment code.
5118 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5119 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5120 * tree.h (record_layout_info_s): Remove prev_packed.
5121 * doc/extend.texi (ms_struct): Add documentation of format.
5123 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5125 * tree.h: Declare folding_initializer.
5126 * builtins.c (fold_builtin_constant_p): Give definite answer
5127 if folding inside an initializer.
5128 * fold-const.c: Define folding_initializer.
5129 (START_FOLD_INIT): Save and then set folding_initializer.
5130 (END_FOLD_INIT): Restore folding_initializer.
5132 2006-06-04 Richard Guenther <rguenther@suse.de>
5134 PR tree-optimization/27039
5135 * fold-const.c (fold_comparison): Handle pointer comparison
5136 again for all comparison codes. Compare offsets in signed
5138 (fold_binary): Move code from here.
5140 2006-06-03 Roger Sayle <roger@eyesopen.com>
5143 * config/i386/i386.c (construct_container): Split static issued_error
5144 flag into issued_sse_arg_error, issued_sse_ret_error and
5145 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5146 requires the use of x87 registers and the user explicitly
5147 specified the -mno-80387 command line option.
5149 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5151 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5152 HAVE_DECL_SIGALTSTACK.
5154 (segv_handler): Use MC_FLD.
5155 * configure.ac: Check for a sigaltstack declaration.
5156 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5157 * configure: Regenerate.
5158 * config.in: Regenerate.
5160 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5163 * Makefile.in (stmp-fixinc): Fix typo.
5165 2006-06-02 Roger Sayle <roger@eyesopen.com>
5167 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5168 are type correct. Clean-up.
5169 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5170 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5172 2006-06-01 DJ Delorie <dj@redhat.com>
5174 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5175 shift, as we've disabled the "switch" insn that needs it.
5177 2006-06-01 Per Bothner <bothner@bothner.com>
5179 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5180 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5181 * c-ppoutput.c (cb_define): Don't increment line 0.
5183 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5185 * doc/invoke.texi: Add cpu_type power6.
5186 * config.gcc: Add cpu_type power6.
5187 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5188 to power5+ with Altivec.
5189 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5190 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5192 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5194 * config/avr/avr.h (SET_ASM_OP): Define.
5196 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5198 * config/bfin/bfin.c: Fix comment typos.
5200 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5203 * doc/install.texi: Document --enable-bootstrap and
5204 --disable-bootstrap.
5206 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5208 * doc/install.texi: Document that InfoZIP can replace jar.
5210 2006-05-31 Roger Sayle <roger@eyesopen.com>
5212 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5213 isn't available, directly generate the simpler x87 patterns without
5214 the (use (const_int 0)).
5215 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5216 implementation isn't available.
5217 (*negdf2_1): Likewise.
5218 (*negxf2_1): XF mode negation is always done using the x87.
5219 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5221 2006-05-31 Roger Sayle <roger@eyesopen.com>
5223 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5224 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5226 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5228 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5230 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5231 * config/bfin/bfin.c (basic-block.h): Include.
5232 (struct machine_function): New.
5233 (bfin_init_machine_status): New.
5234 (override_options): Initialize init_machine_status.
5235 (bfin_hardware_loop): New.
5236 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5237 (DEF_VEC_P (loop_info)): New.
5238 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5239 (struct loop_info): New.
5240 (loop_info): New typedef.
5241 (struct loop_work): New.
5242 (loop_work): New typedef.
5243 (DEF_VEC_O (loop_work)): New.
5244 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5245 (bfin_dump_loops): New.
5246 (bfin_bb_in_loop): New.
5247 (bfin_scan_loop): New.
5248 (bfin_optimize_loop): New.
5249 (bfin_reorg_loops): New.
5250 (bfin_reorg): Use bfin_reorg_loops.
5251 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5253 (I_REGNO_P): Simplify.
5254 (DP_REGNO_P, DPREG_P): New macros.
5255 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5256 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5257 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5258 Add LT_REGS, LC_REGS, LB_REGS.
5259 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5261 (REGNO_REG_CLASS): Deal with loop registers.
5262 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5264 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5265 New constants for loop registers.
5266 (UNSPEC_LSETUP_END): New.
5267 (seq_insns): New define_attr. Set it for appropriate insns.
5268 (movsi_insn): Add alternatives for move from/to
5269 loop count registers.
5270 (doloop_end): New define_expand.
5271 (loop_end): New define_insn.
5272 (define_split for bad doloop_end): New.
5273 (lsetup_with_autoinit): New define_insn.
5274 (lsetup_without_autoinit): New define_insn.
5275 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5276 * config/bfin/predicates.md (lc_register_operand): New.
5277 (lt_register_operand): New.
5278 (lb_register_operand): New.
5279 (nondp_register_operand): New.
5280 (nondp_reg_or_memory_operand): New.
5281 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5283 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5285 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5286 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5288 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5290 * Makefile.in (CATALOGS): Add po/ prefix.
5291 * configure: Regenerated.
5293 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5296 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5297 a shift operand before calling shift_op. Avoid redundant call of
5300 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5301 DJ Delorie <dj@redhat.com>
5303 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5304 we're inserting is a singlt-bit constant.
5306 2006-05-30 Roger Sayle <roger@eyesopen.com>
5308 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5309 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5311 2006-05-30 Roger Sayle <roger@eyesopen.com>
5313 PR tree-optimization/23452
5314 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5315 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5316 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5317 complex values and with -ffast-math for FP complex values.
5319 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5321 * c-common.h: Remove the prototype for yyparse.
5322 * rtl.h: Remove the prototype for init_loop.
5324 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5326 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5329 2006-05-30 Roger Sayle <roger@eyesopen.com>
5331 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5333 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5334 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5336 2006-05-30 Dirk Mueller <dmueller@suse.de>
5339 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5340 for CONSTANT_CLASS_P expresisons.
5342 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5345 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5347 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5349 PR tree-optimization/27779
5350 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5351 initial_condition instead of CHREC_LEFT.
5353 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5355 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5356 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5357 Make prototypes ISO C90.
5359 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5360 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5362 * see.c (see_analyze_one_def): Correct check.
5363 (see_get_extension_data): Check if extension is parallel.
5364 (see_get_extension_reg): Likewise.
5366 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5369 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5370 into register for (code == GTU).
5372 2006-05-29 Roger Sayle <roger@eyesopen.com>
5374 PR tree-optimization/24964
5375 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5376 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5377 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5378 abs(x)*abs(x) as x*x for scalar floating point modes.
5380 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5383 * lambda-code.c (perfect_nestify): Don't copy statements
5384 in the inner loop: move them to the inner loop header.
5386 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5389 * c-tree.texi: Document OpenMP directives and clauses.
5391 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5393 * varasm.c (globalize_decl): Fix indentation.
5395 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5398 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5399 pass_fre, pass_store_ccp, pass_copy_prop,
5400 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5401 pass_return_slot, pass_object_size, pass_lim,
5402 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5403 pass_loop_prefetch and pass_stdarg.
5405 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5407 * config/bfin/bfin.opt (mfdpic): New option.
5408 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5409 (EXTRA_MULTILIB_PARTS): Likewise.
5410 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5411 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5413 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5414 (CRT_CALL_STATIC_FUNCTION): New.
5415 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5417 (CRT_CALL_STATIC_FUNCTION): New.
5418 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5420 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5421 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5422 (initialize_trampoline): Changed to handle FD-PIC code generation.
5423 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5424 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5425 (override_options): Disallow -mid-shared-library -mfdpic combination.
5426 Can't do unaligned ops if FD-PIC.
5427 Turn off flag_pic if trying to generate non-id-shared-library
5428 non-fdpic code, since it's not supported.
5429 (bfin_assemble_integer): New function.
5430 (TARGET_ASM_INTEGER): Define.
5431 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5433 * config/bfin/crtn.s: Restore them.
5434 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5436 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5437 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5438 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5439 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5440 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5442 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5443 FDPIC_REGS and FDPIC_FPTR_REGS.
5444 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5445 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5446 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5447 (load_funcdescsi): New pattern.
5448 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5449 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5450 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5452 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5454 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5457 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5459 * tree-flow.h: Remove the prototype for add_type_alias.
5460 * tree-ssa-alias.c (add_type_alias): Remove.
5462 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5464 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5465 config/fr30/fr30.md, config/i386/i386-interix.h,
5466 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5467 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5468 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5469 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5470 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5471 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5472 Follow spelling conventions.
5473 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5474 Follow spelling conventions.
5476 2006-05-27 Richard Guenther <rguenther@suse.de>
5479 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5480 to produce a constant of value 1 of generic type.
5482 2006-05-27 Dirk Mueller <dmueller@suse.de>
5484 * cgraphunit.c (decide_is_function_needed): Fix wrong
5487 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5489 PR rtl-optimization/27661
5490 * reload.c (find_reloads): When reloading a VOIDmode constant
5491 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5492 use Pmode as mode of the reload register.
5494 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5496 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5497 is enabled at -O and above.
5499 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5502 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5505 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5508 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5509 for anonymous variables explicitly declared by front ends.
5511 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5513 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5514 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5515 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5516 ref-all pointers, run a finalization pass for them.
5517 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5518 (finalize_ref_all_pointers): New function.
5519 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5520 regular pointer type to a ref-all pointer type.
5521 (get_tmt_for): Return the special memory tag for ref-all pointers.
5523 2006-05-25 Richard Guenther <rguenther@suse.de>
5526 * fold-const.c (fold_binary): Do not look at the stripped
5527 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5529 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5531 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5532 for LT and GT if the computed range is effectively empty.
5534 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5537 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5538 mips_quad_format formats instead of ieee_single_format,
5539 ieee_double_format and ieee_quad_format formats, respectively.
5541 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5543 PR tree-optimization/27639
5544 PR tree-optimization/26719
5545 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5546 call to scev_probably_wraps_p.
5547 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5548 used_in_pointer_arithmetic_p, convert_step): Removed.
5549 (nowrap_type_p): New function.
5550 (scev_probably_wraps_p): Rewritten.
5551 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5552 chrec_convert if chrec_convert_aggressive might have been used.
5553 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5554 scev_direction): New functions.
5555 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5556 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5557 instead of convert_step.
5558 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5559 (convert_step): Declaration removed.
5560 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5562 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5564 * df-core.c: Added to header comments.
5565 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5566 df_ur_bb_info, df_urec_bb_info): Added comments.
5567 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5568 urec, ri problems): Fixed header comments.
5569 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5570 code from df_rd_transfer_function.
5572 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5574 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5575 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5576 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5578 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5580 * expr.c (undefined_operand_subword_p): New.
5581 (emit_move_multi_word): Do not generate move from undefined bits
5582 of a paradoxical subreg.
5584 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5586 PR rtl-optimization/27736
5587 * combine.c (replaced_rhs_value): New variable.
5588 (combine_instructions): Set it.
5589 (distribute_notes): When distributing a note in replaced_rhs_insn,
5590 check whether the value was used in replaced_rhs_value.
5592 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5595 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5596 add_referenced_var instead of add_referenced_tmp_var.
5597 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5598 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5600 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5601 tree_optimize_tail_calls_1): Use add_referenced_var.
5602 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5603 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5604 Use add_referenced_var.
5605 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5606 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5607 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5608 Use add_referenced_var.
5609 * tree-dfa.c (struct walk_state): Remove.
5610 (find_referenced_vars): Remove walk state and vars_found hash table.
5611 (make_rename_temp): Use add_referenced_var.
5612 (find_vars_r): Pass less parameters to add_referenced_var.
5613 (referenced_var_p): New. Is var in referenced_var hash table.
5614 (referenced_var_insert): Assert var isn't already in hash table.
5615 (add_referenced_var): Don't need walk_state parameter. Add var if it
5616 isn't already in the hash table.
5617 (add_referenced_tmp_var): Remove.
5618 (find_new_referenced_vars_1): Use add_referenced_var.
5619 * tree-ssa-pre.c (create_expression_by_pieces,
5620 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5621 Use add_referenced_var.
5622 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5623 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5624 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5626 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5627 vect_create_data_ref_ptr, vect_create_destination_var,
5628 vect_init_vector, vect_build_loop_niters,
5629 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5630 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5631 Use add_referenced_var.
5632 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5633 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5634 (add_referenced_var): Add prototype.
5635 * tree-ssa-structalias.c (get_constraint_for,
5636 intra_create_variable_infos): Use add_referenced_var.
5638 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5640 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5641 big-endian paradoxical subregs.
5642 * var-tracking.c (struct micro_operation_def): Document that,
5643 for modify micro operations, insn is the subsequent instruction.
5644 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5645 (var_reg_set, var_mem_set): ... new functions.
5646 (add_stores): Record subsequent insn.
5647 (compute_bb_dataflow): Use new functions for MO_USE.
5648 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5649 notes after the insn, and modify notes before the insn known
5650 to be the subsequent one.
5651 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5653 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5656 * config/i386/i386.c (ix86_expand_builtin): Use
5657 gen_sse3_monitor64 for TARGET_64BIT.
5659 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5661 PR rtl-optimization/26375
5662 PR rtl-optimization/26855
5663 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5665 (df_ru_bb_local_compute): Reversed statements and removed bogus
5666 comment explaining why they should be in wrong order.
5667 (df_ru_dump, df_rd_dump): Enhanced debug info.
5668 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5670 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5671 reaching uses and fixed space problem.
5673 2006-05-23 Jan Hubicka <jh@suse.cz>
5675 * cgraphunit.c (decide_is_function_needed): Also nested functions
5676 and functions declared inline can be optimized out at -O0.
5678 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5680 * doc/install.texi (Configuration): Remove reference to CrossGCC
5684 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5687 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5688 ix86_compare_emitted is non-NULL.
5690 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5693 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5696 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5698 PR rtl-optimization/25514
5699 * combine.c (replaced_rhs_insn): New variable.
5700 (combine_instructions): Set replaced_rhs_insn when trying to replace
5701 a SET_SRC with a REG_EQUAL note.
5702 (distribute_notes): Use replaced_rhs_insn when determining the live
5703 range of a REG_DEAD register.
5705 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5706 Anatoly Sokolov <aesok@post.ru>
5708 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5709 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5710 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5711 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5712 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5713 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5714 at90usb647, at90usb1286 and at90usb1287 devices.
5715 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5716 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5718 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5720 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5722 2006-05-22 Richard Guenther <rguenther@suse.de>
5725 2006-01-31 Richard Guenther <rguenther@suse.de>
5726 Paolo Bonzini <bonzini@gnu.org>
5728 * doc/install.texi (--disable-libgcc-math): Document.
5730 2006-05-22 Richard Guenther <rguenther@suse.de>
5733 2006-01-31 Richard Guenther <rguenther@suse.de>
5735 * doc/invoke.texi (-msselibm): Document.
5736 * target.h (expand_library_builtin): New target hook.
5737 * builtins.c (expand_builtin): Use expand_library_builtin.
5738 (default_expand_library_builtin): New function.
5739 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5740 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5741 (link_gcc_math_spec): Declare.
5742 (static_specs): Add link_gcc_math_spec.
5743 * expr.h (default_expand_library_builtin): Declare.
5744 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5745 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5746 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5747 * config/i386/i386.opt (msselibm): New target option.
5748 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5749 (ix86_init_sse_abi_builtins): New function.
5750 (ix86_expand_library_builtin): Likewise.
5751 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5752 (override_options): Handle error conditions wrt -msselibm.
5753 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5754 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5755 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5758 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5761 * c-common.c (self_promoting_args_p): Skip erroneous args.
5764 * c-decl.c (finish_struct): Skip erroneous fields.
5766 2006-05-22 Nick Clifton <nickc@redhat.com>
5768 * config/cris/cris.opt (march): Remove VarExists attribute.
5769 (max-stackframe=): Likewise.
5771 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5773 * doc/rtl.texi: Fix a typo.
5774 * see.c: Fix comment typos.
5776 * tree-ssa-structalias.h (alias_info): Remove num_references.
5778 2006-05-21 Mike Stump <mrs@apple.com>
5780 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5782 (darwin_pragma_options): Use BAD instead.
5783 (darwin_pragma_unused): Likewise.
5784 (darwin_pragma_ms_struct): Likewise.
5786 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5788 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5790 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5792 PR rtl-optimization/27671
5793 * simplify-rtx.c (simplify_relational_operation_1): Fix
5794 simplifications of (eq/ne (xor x y) y) and
5795 (eq/ne (xor x y) x).
5797 PR tree-optimization/26622.
5798 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5801 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5803 * tree-cfg.c: Prune whitespace.
5804 (debug_tree_cfg): Point to correct header containing the
5807 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5810 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5812 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5815 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5816 or sorry count is non zero.
5818 2006-05-20 Andreas Schwab <schwab@suse.de>
5820 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5822 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5823 Kenneth Zadeck <zadeck@naturalbridge.com>
5825 PR rtl-optimization/26855
5827 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5829 (df_scan_alloc): Added code to properly handle multiword hard
5830 registers and add all_blocks parameter.
5831 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5832 code to properly handle multiword hard registers.
5833 (df_rescan_blocks): Added code to remove deleted blocks from
5835 (df_ref_create_structure, df_ref_record): Added code to properly
5837 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5838 and set DF_REF_PARTIAL.
5839 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5840 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5841 (df_scan_add_problem): Added flags parameter.
5842 (df_ref_create_structure): Changed switching structure.
5843 (df_bb_refs_record): Fixed case where duplicate artificial refs
5844 were created. Changed location of flags.
5845 (df_record_entry_block_defs): Added code to make stack pointer
5846 live in entry block. Refined cases where frame pointer is needed.
5847 Changed location of flags.
5848 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5849 (df_set_state): Removed function.
5850 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5851 df_insn_create_insn_record, df_insn_refs_delete,
5852 df_ref_create_structure): Formatting changes.
5853 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5854 df_delete_basic_block): New function.
5855 (df_init): Changed location of flags.
5856 (df_add_problem): Added flags parameter and the way flags are
5858 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5859 debug_df_chain): Improved debugging output.
5860 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5861 (df_refs_chain_dump): Removed df parameter.
5862 (df_iterative_dataflow): Added consistency check.
5863 (df_prune_to_subcfg): Made public.
5864 (df_analyze_problem): Added blocks_to_init parameter and made
5866 (df_ref_record, df_bb_refs_record, df_mark_reg,
5867 df_record_exit_block_uses): Whitespace changes.
5868 (df_dump): Whitespace changes.
5869 * df.h: Some reordering to remove forward references.
5870 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5871 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5872 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5873 (dataflow.flags): New field.
5874 (df.flag): Deleted field.
5875 (df_alloc_function): Added additional bitmap parameter.
5876 (df_dependent_problem_function): New type.
5877 (df_problem.changeable_flags): New field.
5878 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5879 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5880 (df_mw_hardreg): New struct.
5881 (DF_INSN_UID_MWS): New macro.
5882 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5884 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5885 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5886 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5887 (df_set_state): Removed function.
5888 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5889 * df-problems.c (df_chain_dump): Removed df parameter.
5890 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5891 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5893 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5894 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5895 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5896 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5897 DF_REF_MUST_CLOBBER cases.
5898 (df_ru_bb_local_compute_process_def,
5899 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5900 df_lr_bb_local_compute, df_ur_bb_local_compute,
5901 df_chain_create_bb): Made subreg aware.
5902 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5903 df_lr_bb_local_compute, df_lr_bb_local_compute,
5904 df_chain_create_bb): Cleanup to use proper macros.
5905 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5906 code to fixup bitvectors.
5907 (df_ri_alloc): Cleared lifetime.
5908 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5909 df_create_unused_note): New function.
5910 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5911 REG_DEAD and REG_UNUSED notes as well as register information.
5912 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5913 df_chains_dump): Fixed crash if problem was never run.
5914 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5915 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5916 df_ri_add_problem): Processes flags in uniform manner.
5917 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5918 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5919 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5920 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5921 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5922 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5923 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5924 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5925 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5926 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5927 * see.c (see_initialize_data): Ditto.
5928 * final.c (rest_of_clean_state) Added regstack_completed.
5929 * rtl.h (regstack_completed): Ditto.
5930 * reg-stack.c (regstack_completed): Ditto.
5932 2006-05-19 Mike Stump <mrs@apple.com>
5934 * c-tree.h (default_conversion): Remove.
5935 * c-common.h (default_conversion): Add.
5937 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5939 * tree-vrp.c (valid_value_p): New function.
5940 (adjust_range_with_scev): Fail if the value of bound is not
5943 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5945 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5946 (mips_fallback_frame_state): Use syscall numbers to determine
5947 the appropriate li instruction for the current ABI. Only use
5948 __NR_sigreturn for o32.
5950 2006-05-19 Nicolas Setton <setton@adacore.com>
5952 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5953 * langhooks.c (lhd_dwarf_name): New function.
5954 * langhooks-def.h (lhd_dwarf_name): Declare.
5955 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5956 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5957 * ada/misc.c (gnat_dwarf_name): New function.
5958 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5960 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5962 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5964 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5965 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5966 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5967 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5968 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5969 determine the size of Wtype, etc.
5970 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5971 (swfloatfuncs): New variable.
5972 (dwfloatfuncs): Likewise.
5973 (lib2funcs): Remove floating-point conversion functions from
5974 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5975 the set of conversion routines needed. Allow entries to specify
5976 an object name, filename and word size. Update users accordingly.
5977 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5978 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5982 2006-02-08 Roger Sayle <roger@eyesopen.com>
5985 * config/fixtfdi.c: New libgcc source file.
5986 * config/fixunstfdi.c: New source file.
5987 * config/floatditf.c: New source file.
5988 * config/floatunditf.c: New souce file.
5989 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5990 files above instead of config/mips/_tilib.c.
5991 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5993 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5995 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5996 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5998 2006-05-18 Mike Stump <mrs@apple.com>
6000 Fix up vla, vm and [*] sematics.
6006 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6007 (c_vla_unspec_p): Add.
6008 (c_vla_type_p): Add.
6009 * c-decl.c (struct c_scope): Add had_vla_unspec.
6010 (build_array_declarator): Add support for [*].
6011 (grokdeclarator): Likewise.
6012 (grokparms): Likewise.
6013 (get_parm_info): Likewise.
6014 * c-objc-common.c (c_vla_unspec_p): Likewise.
6015 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6016 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6017 typeof when argument is a variably modified type not inside sizeof or alignof.
6018 (c_parser_direct_declarator_inner): Propagate errors.
6019 (c_parser_sizeof_expression): Add support for [*].
6020 (c_parser_parms_declarator): Initialize had_vla_unspec.
6021 (c_parser_parms_list_declarator): Likewise.
6022 * c-typeck.c (c_vla_type_p): Add.
6023 (composite_type): Add support for vla compositing.
6024 (comptypes_internal): Add support for vla compatibility.
6025 (c_expr_sizeof_expr): Evaluate vla arguments.
6026 * tree.c (variably_modified_type_p): Update comment for [*].
6028 2006-05-18 Michael Matz <matz@suse.de>
6031 * config.host: Make assignments to host_xmake_file cumulative.
6032 * config.host (*-darwin*): Test $host, not $target.
6034 2006-05-12 Stuart Hastings <stuart@apple.com>
6036 * config/i386/i386.opt (-mstackrealign): New flag.
6037 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6038 (ix86_handle_cconv_attribute): Emit error when
6039 force_align_arg_pointer attribute collides with too many regparms.
6040 (ix86_function_regparm): Limit regparms when used with
6041 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6042 Support stack-realigning prologue in non-main functions. Emit
6043 warning for nested functions under -mstackrealign, emit error for
6044 nested functions with force_align_arg_pointer attribute.
6045 * doc/extend.texi (force_align_arg_pointer): Document it.
6046 * doc/invoke.texi (-mstackrealign): Document it.
6048 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6050 PR rtl-optimization/27477
6051 * combine.c (try_combine): Don't split a parallel consisting
6052 of two sets into two individual sets if both sets reference
6055 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6057 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6058 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6060 * doc/options.texi (VarExists): Updated.
6062 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6064 * unwind-dw2.c: Add declarations for uw_update_context and
6066 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6067 detected, advance frame state and context once to skip over stub.
6069 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6073 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6074 Call rewrite_into_loop_closed_ssa only when something changed.
6075 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6076 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6077 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6078 Test for perfect_nest_p here. Fix formating.
6079 (replace_uses_equiv_to_x_with_y): Fix formating.
6080 (stmt_uses_op): Removed.
6081 (can_convert_to_perfect_nest): Removed loopivs parameter.
6082 Complete the test by checking the scalar dependences.
6083 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6086 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6089 From Dan Kegel <dank@kegel.com>:
6090 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6092 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6094 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6095 if the element type is variably modified without recursing.
6097 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6100 * tree-loop-linear.c (try_interchange_loops): Test for
6101 no data dependences.
6103 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6105 PR tree-optimization/27548
6106 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6107 range of ssa names that appear on abnormal edges.
6108 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6109 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6111 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6114 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6116 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6119 * tree.h (OMP_PARALLEL_COMBINED): Define.
6120 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6121 (new_omp_context): Add is_combined_parallel argument.
6122 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6123 new_omp_context caller.
6124 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6125 Adjust gimplify_scan_omp_clauses callers.
6126 (omp_is_private): Issue errors if iteration variable is firstprivate
6127 or reduction in the current context.
6128 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6129 on combined parallel workshare constructs.
6131 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6133 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6134 (gcc-options.o): New rule.
6136 * optc-gen.awk: Protect variables for gcc-options.o with
6137 #ifdef GCC_DRIVER/#endif.
6139 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6141 Fix PR tree-optimization/27373
6142 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6143 (forward_propagate_addr_expr): Update call.
6145 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6147 * doc/options.texi: Move the Negative option.
6149 2006-05-16 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/22303
6152 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6154 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6155 ccp_fold did not simplify the statement.
6157 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6160 * Makefile.in (GCC_OBJS): New.
6161 (OBJS-common): Add opts-common.o.
6162 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6163 (cpp$(exeext)): Likewise.
6164 (gcc.o): Also depend on opts.h.
6165 (opts-common.o): New.
6167 * common.opt (gcoff): Add Negative(gdwarf-2).
6168 (gdwarf-2): Add Negative(gstabs).
6169 (gstabs): Add Negative(gstabs+).
6170 (gstabs+): Add Negative(gvms).
6171 (gvms): Add Negative(gxcoff).
6172 (gxcoff): Add Negative(gxcoff+).
6173 (gxcoff+): Add Negative(gcoff).
6174 * config/i386/i386.opt (m32): Add Negative(m64).
6175 (m64): Add Negative(m32).
6177 * doc/options.texi: Document the Negative option.
6179 * gcc.c: Include "opts.h".
6180 (main): Call prune_options after expandargv.
6182 * optc-gen.awk: Generate common declarations for all flag
6183 variables in options.c. Output the neg_index field.
6185 * opts.c (find_opt): Moved to ...
6186 * opts-common.c: Here. New file.
6188 * opts.h (cl_option): Add a neg_index field.
6190 (prune_options): Likewise.
6192 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6195 * omp-low.c (expand_omp_parallel): Don't assert
6196 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6197 instead search for it.
6200 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6203 2006-05-16 Andreas Schwab <schwab@suse.de>
6205 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6208 2006-05-15 Roger Sayle <roger@eyesopen.com>
6211 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6212 integer constants other than zero are only legitimate on TARGET_64BIT.
6213 <CONST_VECTOR> Only zero vectors are legitimate.
6214 (ix86_cannot_force_const_mem): Integral and vector constants can
6215 always be put in the constant pool.
6217 2006-05-16 DJ Delorie <dj@redhat.com>
6219 * crtstuff.c (__dso_handle): Set section from
6220 TARGET_LBIGCC_SDATA_SECTION if defined.
6221 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6222 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6224 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6227 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6230 2006-05-16 Ben Elliston <bje@au.ibm.com>
6232 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6234 2006-05-15 Per Bothner <per@bothner.com>
6236 * tree.c: (last_annotated_node): Use source_locus typedef.
6237 This permits bootstrapping with --enable-mapped-location.
6239 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6241 PR tree-optimization/26830
6242 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6243 (info_for_ssa_name, current_info_for_ssa_name_age,
6244 blocks_to_update): New variables.
6245 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6246 (clear_ssa_name_info, initialize_flags_in_bb,
6247 mark_block_for_update): New functions.
6248 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6249 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6250 prepare_def_site_for): Use mark_block_for_update.
6251 (mark_def_interesting): Assert that the processed block is marked in
6252 blocks_to_update. Do not take blocks argument.
6253 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6255 (rewrite_update_init_block, rewrite_update_stmt): Only process
6256 blocks with statements to rewrite.
6257 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6258 (update_ssa): Initialize and free blocks_to_update. Do not
6259 clear flags on statements. Do not use blocks bitmap.
6260 * tree.h (SSA_NAME_AUX): Removed.
6261 (struct tree_ssa_name): Removed aux field.
6262 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6264 2006-05-15 Richard Guenther <rguenther@suse.de>
6266 PR tree-optimization/27603
6267 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6268 Do computations in original type.
6270 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6272 * see.c: Code style changes such as redundant paranthesis,
6273 redundant intialization of local variables etc.
6274 (see_main): Declared now as static.
6275 * doc/invoke.texi: Update that -fsee is not enabled by
6278 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6280 * omp-low.c (check_omp_nesting_restrictions): New function.
6281 (scan_omp_1): Call it.
6284 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6285 construct, return *VAR.
6287 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6289 PR rtl-optimization/27406
6290 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6293 2006-05-14 Roger Sayle <roger@eyesopen.com>
6295 PR rtl-optimization/27538
6296 * combine.c (expand_compound_operation): Call gen_lowpart
6297 before calling simplify_shift_const.
6299 2006-05-14 Roger Sayle <roger@eyesopen.com>
6301 PR rtl-optimization/22563
6302 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6303 a fixed width bitfield, always force the intermediates into psuedos.
6305 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6308 * mkconfig.sh: Use operator = instead of == for test.
6310 2006-05-13 Nick Clifton <nickc@redhat.com>
6312 * dwarf2out.c (dbx_reg_number): Check return value from
6313 LEAF_REG_REMAP and only use it if it is valid.
6314 (multiple_reg_loc_descriptor): Likewise.
6316 2006-05-13 Richard Guenther <rguenther@suse.de>
6318 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6321 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6323 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6324 information attached to non-INSNs such as NOTEs.
6325 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6327 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6329 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6331 * config/s390/s390.md: Adjust comment describing On constraint.
6333 2006-05-11 Jan Hubicka <jh@suse.cz>
6335 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6336 to be output at -O0.
6338 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6341 * fold-const.c (size_binop): Move sanity check for arguments to
6342 the beginning of the function.
6345 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6348 2006-05-11 Richard Guenther <rguenther@suse.de>
6351 * fold-const.c (fold_unary): Handle intermediate conversion
6352 to a pointer type like intermediate conversion to an integer
6353 type in folding of (T1)(T2)var to var.
6354 Match the code to the comment in the final conversion for
6355 (T1)(T2)var to (T1)var regarding to type precision. Rather
6356 than disallow T1 being of pointer type, assert that both T1
6357 and var are of pointer type or not. Make sure not to fall
6358 over the frontends lazyness wrt array to pointer decay though.
6360 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6362 * arm.c (arm_struct_value_rtx): Delete.
6363 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6364 (arm_init_cumulative_args): Always initialize nregs to zero.
6366 2006-05-10 Richard Guenther <rguenther@suse.de>
6368 PR tree-optimization/27532
6369 * tree-object-size.c (plus_expr_object_size): Fix typo.
6371 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6374 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6375 ashrdi_const, ashrdi3): Use a scratch register.
6377 2006-05-10 Richard Guenther <rguenther@suse.de>
6379 PR tree-optimization/27302
6380 * fold-const.c (operand_equal_p): For two comparisons,
6381 try comparison of one comparison code swapped if that yields
6384 2006-05-10 Ben Elliston <bje@au.ibm.com>
6386 * tree-pretty-print.c (pretty_print_string): No need to handle
6387 '\0' as a special character.
6389 * tree.h: Include "hashtab.h".
6390 (iterative_hash_expr): Use hashval_t in its prototype.
6391 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6393 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6396 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6397 (hppa*64*-*-hpux11*): Ditto.
6398 (hppa[12]*-*-hpux11*): Ditto.
6400 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6403 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6405 2006-05-09 Michael Matz <matz@suse.de>
6407 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6408 host_extra_gcc_objs and host_xmake_file.
6409 (<*-*-linux*>): Don't overwrite host_xmake_file.
6410 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6411 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6412 (host_detect_local_cpu): Declare.
6413 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6414 * config/i386/i386.c (override_options): Handle -mtune=native
6416 * config/i386/x-i386: New file.
6417 * config/i386/driver-i386.c: New file.
6418 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6421 2006-05-09 Dirk Mueller <dmueller@suse.de>
6422 Richard Guenther <rguenther@suse.de>
6425 * fold-const.c (fold_read_from_constant_string): Relax check
6426 for matching types to matching modes.
6428 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6430 PR rtl-optimization/27335
6431 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6434 2006-05-08 Chao-ying Fu <fu@mips.com>
6435 Richard Sandiford <richard@codesourcery.com>
6437 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6438 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6439 * config/mips/mips.md (UNSPEC_SCC): New constant.
6440 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6441 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6442 (mips_emit_compare): Use it.
6443 (mips_expand_vcondv2sf): New function.
6445 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6447 Fix PR tree-optimization/27093
6448 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6449 renaming when they become not-used_alone.
6451 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6453 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6454 relocation and relocation stubs.
6456 2006-05-08 Eric Christopher <echristo@apple.com>
6458 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6461 2006-05-08 Jan Hubicka <jh@suse.cz>
6464 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6465 unused static functions are needed.
6467 2006-05-08 Roger Sayle <roger@eyesopen.com>
6470 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6471 of a reg_equiv_constant if the result is a legitimate constant.
6473 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6476 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6477 standard 80387 constants, raise the cost to prevent
6478 compress_float_constant() to generate load from memory.
6480 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6482 * config/arm/constraints.md (c): Fix a typo.
6484 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6487 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6490 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6492 (_mm_mwait): Likewise.
6494 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6496 (sse3_monitor): Make it 32bit only.
6497 (sse3_monitor64): New. 64bit monitor.
6499 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6502 * config/i386/i386.c (classify_argument): Skip fields with invalid
6505 2006-05-07 Richard Guenther <rguenther@suse.de>
6507 PR tree-optimization/27409
6508 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6509 Do not try to find zero-sized subvars.
6511 2006-05-07 Richard Guenther <rguenther@suse.de>
6513 PR tree-optimization/27136
6514 * tree-ssa-loop-niter.c (get_val_for): Correct function
6515 comment, assert requirements.
6516 (loop_niter_by_eval): Stop processing if the iterated
6517 value did not simplify.
6519 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6521 * opts.c (flag_see): remove its setting at -O3.
6523 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6525 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6526 * arm/constraints.md: New file.
6527 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6528 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6529 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6530 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6531 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6532 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6533 * arm.md: Include constraints.md.
6534 (thumb_movsi_insn): Use satisfies_constraint_J.
6535 (movhi, movqi): Use satisfies_constraint_I.
6537 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6539 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6540 for atmeg a645 device.
6542 2006-05-06 Richard Guenther <rguenther@suse.de>
6544 PR tree-optimization/27151
6545 * tree-vect-transform.c (vectorizable_condition): Punt on
6546 values that have a different type than the condition.
6548 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6551 * c-parser.c (c_parser_cast_expression): Only insert casts into
6552 hash table if pointer.
6553 * function.c (used_types_insert_helper): Rename from
6555 (used_types_insert): Call used_types_insert_helper.
6556 * function.h (used_types_insert): Accept only one argument.
6558 2006-05-05 David Edelsohn <edesohn@gnu.org>
6560 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6561 scratch with output modifier.
6563 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6566 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6567 with output modifier.
6569 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6572 * config/mips/mips.c (mips_symbolic_address_p): Return true
6573 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6574 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6576 2006-05-04 Richard Guenther <rguenther@suse.de>
6578 PR tree-optimization/14287
6579 PR tree-optimization/14844
6580 PR tree-optimization/19792
6581 PR tree-optimization/21608
6582 PR tree-optimization/27090
6583 * tree-ssa-pre.c (try_combine_conversion): New function.
6584 (compute_avail): After constructing the value-handle
6585 expression, use try_combine_conversion to combine NOP_EXPRs
6586 with previous value-handle expressions and use the result if it
6589 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6591 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6593 2006-05-04 Jan Hubicka <jh@suse.cz>
6596 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6598 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6600 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6601 that this only matches CONST_INTs. All users changed to VOIDmode
6604 * config/bfin/bfin.c: Include "optabs.h".
6605 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6607 (enum bfin_builtins): Add a number of fractional and vector builtins.
6608 (bfin_init_builtins): Likewise.
6609 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6610 (safe_vector_operand, bfin_expand_binop_builtin,
6611 bfin_expand_unop_builtin): New functions.
6612 (bfin_expand_builtin): Handle the new builtins.
6613 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6616 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6619 * Makefile.in (OBJS-common): Add see.o.
6620 (see.o): Add dependencies.
6621 * common.opt (fsee): New flag for the see optimization was added.
6622 * opts.c (flag_see): Initialized.
6623 * passes.c (init_optimization_passes, pass_see): New pass.
6624 * rtl.h (see_main): Declaration as extern.
6625 * timevar.def (TV_SEE): New.
6626 * tree-pass.h (pass_see): Declaration as extern.
6627 * invoke.texi (-fsee): Document.
6628 * recog.c (validate_simplify_insn): New function.
6629 * recog.h (validate_simplify_insn): Declaration as extern.
6630 * df-problems.c (df_chain_dump): Check for NULL.
6632 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6633 Daniel Berlin <dberlin@dberlin.org>
6635 * cfgrtl.c (insert_insn_bb_end_new): New function.
6636 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6638 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6640 * df.h (struct web_entry): Moved from web.c.
6641 (union_defs): Declaration as extern.
6642 (unionfind_root): Likewise.
6643 (unionfind_union): Likewise.
6644 * web.c (struct web_entry): Moved to df.h.
6645 (unionfind_root): Remove static declaration.
6646 (unionfind_union): Likewise.
6647 (union_defs): Likewise and generalize to use callback function.
6648 (web_main): Update arguments for union_defs function call.
6650 2006-05-04 Richard Guenther <rguenther@suse.de>
6652 PR tree-optimization/26447
6653 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6654 produce SSA_NAME copies before the store stmt to avoid
6655 breaking exception handling.
6657 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6660 * gimplify.c (omp_is_private): If var is shared in some outer context,
6661 return false instead of true. Stop searching on parallel context
6664 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6667 * coverage.c: Use get_gcov_unsigned_t() instead of
6668 unsigned_type_node all over.
6670 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6672 PR tree-optimization/27381
6673 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6674 maintain the same immediate_use links.
6675 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6676 node rather than segfaulting.
6678 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6681 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6682 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6683 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6685 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6687 Fix PR tree-optimization/26626
6688 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6690 * tree-ssa-operands.c (access_can_touch_variable): Allow
6691 typecasting through union pointers.
6693 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6696 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6697 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6698 to find if var will be a global variable even in the nested context.
6699 (omp_copy_decl): Only check for global variable at the end, it might
6700 be overridden in outer contexts.
6701 (scan_sharing_clauses): For global variables don't create a field.
6702 (lower_rec_input_clauses): Do nothing for global shared variables.
6703 Emit a barrier at the end of ILIST if there were any decls in both
6704 firstprivate and lastprivate clauses.
6705 (lower_send_clauses): Do nothing for global variables except for
6708 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6710 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6711 of the correct signedness is returned.
6713 2006-05-02 Jeff Law <law@redhat.com>
6715 PR tree-optimization/27364
6716 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6717 multiply expressions.
6719 2006-05-02 Tom Tromey <tromey@redhat.com>
6721 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6723 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6726 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6727 -mthumb -fPIC are used.
6729 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6730 Joshua Kinard <kumba@gentoo.org>
6733 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6734 with 64-bit pointers.
6736 2006-05-02 Paul Brook <paul@codesourcery.com>
6738 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6740 (create_fix_barrier): Check that a suitable barrier location is
6742 (arm_reorg): Include ftmp->address in allowable range of addresses.
6744 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6747 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6750 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6753 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6754 around RESULT_DECL for result passed by reference.
6755 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6756 * omp-low.c (use_pointer_for_field): Don't look at
6757 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6758 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6759 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6760 time or var for passing by reference for
6761 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6762 TREE_ADDRESSABLE variables when passing by reference.
6764 * omp-low.c (dump_omp_region): Fix output formatting.
6767 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6768 (expand_omp_parallel): Likewise.
6769 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6772 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6773 on statement list containing also constructors and destructors.
6774 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6777 * except.c (duplicate_eh_regions): Fix clearing of
6778 cfun->eh->region_array entries.
6780 2006-05-01 DJ Delorie <dj@redhat.com>
6782 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6784 (gcc_cv_objdump): Likewise.
6785 * configure: Regenerated.
6787 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6790 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6791 templates for case 3 and 4.
6793 2006-05-01 DJ Delorie <dj@redhat.com>
6795 * vec.c: Include bconfig.h when appropriate.
6796 * Makefile.in (build/vec.o): Adjust dependencies.
6797 * mkconfig.sh: Make sure config.h isn't used for build machine
6800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6802 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6804 (mark_phi_for_rewrite): New function.
6805 (insert_phi_nodes_for, mark_use_interesting): Call
6806 mark_phi_for_rewrite.
6807 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6808 (update_ssa): Initialize and free phis_to_rewrite.
6810 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6812 PR rtl-optimization/27291
6813 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6814 folded to a constant.
6816 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6818 PR tree-optimization/27283
6819 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6820 not whole # of iteration descriptions.
6821 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6822 uses abnormal ssa name.
6823 (niter_for_single_dom_exit): Ditto.
6824 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6825 return just the number of iterations.
6827 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6829 PR tree-optimization/27144
6830 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6831 (record_estimate): Only record constant upper bound.
6832 (infer_loop_bounds_from_undefined): Call
6833 compute_estimated_nb_iterations just once.
6834 (proved_non_wrapping_p): Renamed to ...
6835 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6836 (convert_step_widening, scev_probably_wraps_p): Call
6837 n_of_executions_at_most instead of proved_non_wrapping_p.
6838 (substitute_in_loop_info): Do not replace values in bounds.
6839 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6842 2006-05-01 Richard Henderson <rth@redhat.com>
6845 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6846 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6849 2006-05-01 Roger Sayle <roger@eyesopen.com>
6851 * c-typeck.c (parser_build_binary_op): Don't call the function
6852 unsigned_conversion_warning to spot operand/result type overflow.
6853 (build_binary_op): Instead, call convert_and_check instead of
6854 convert to report the problem when the operands are promoted.
6855 * c-common.c (unsigned_conversion_warning): Make static.
6856 * c-common.h (unsigned_conversion_warning): Delete prototype.
6858 2006-05-01 Richard Guenther <rguenther@suse.de>
6860 PR tree-optimization/26726
6861 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6863 (find_interesting_uses_address): ... we work around here
6864 by folding INDIRECT_REFs in the substituted base.
6866 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6868 * omp-low.c (dump_omp_region): Add newlines.
6870 2006-04-30 Roger Sayle <roger@eyesopen.com>
6872 * common.opt (Woverflow): New command line option.
6873 * c-common.c (constant_expression_warning): Check warn_overflow.
6874 (overflow_waring): Pass OPT_Woverflow to warning.
6875 (unsigned_conversion_warning): Likewise.
6876 (convert_and_check): Likewise.
6877 * doc/invoke.texi: Document new command line option.
6879 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6881 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6882 TARGET_NO_FP_IN_TOC for section anchors.
6883 (optimization_options): Enable section anchors for all
6884 non-"Objective" languages.
6886 2006-04-28 Eric Christopher <echristo@apple.com>
6888 * config/darwin-c.c (darwin_ms_struct): Move this
6889 (darwin_set_default_type_attributes): and this...
6890 * config/darwin.c: ... here.
6891 * config/darwin.h (darwin_ms_struct): Declare.
6893 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6895 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6897 2006-04-28 Roger Sayle <roger@eyesopen.com>
6900 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6901 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6902 an unsigned HOST_WIDE_INT.
6903 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6905 (really_start_incremental_init): No need to call convert because
6906 bitsize_zero_node is already of type bitsizetype.
6907 (push_init_level): Extract the value of constructor_index as an
6908 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6909 (process_init_element): Likewise.
6911 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6913 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6914 value before passing to make_relative_prefix.
6916 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6919 * builtins.c (expand_builtin_memset): Expand val in original mode.
6921 2006-04-27 Eric Christopher <echristo@apple.com>
6923 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6924 with #ifndef/#endif.
6925 * config/darwin-c.c (darwin_ms_struct): New.
6926 (darwin_pragma_ms_struct): Ditto.
6927 (darwin_set_default_type_attributes): Ditto.
6928 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6929 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6930 Register ms_struct pragma.
6931 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6932 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6933 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6934 darwin_set_default_type_attributes if TARGET_MACHO.
6936 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6938 PR tree-optimization/26854
6939 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6940 * doc/tree-ssa.texi: Update immuse iterator documentation.
6941 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6942 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6943 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6944 first_safe_imm_use, next_safe_imm_use): Remove.
6945 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6946 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6947 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6948 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6949 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6950 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6951 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6952 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6953 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6954 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6955 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6956 (perfect_nestify): Use new iterator.
6957 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6959 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6960 (next_imm_name): New field in struct immediate_use_iterator_d.
6961 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6962 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6963 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6964 * tree-cfg.c (replace_uses_by): Use new iterator.
6965 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6966 * tree-ssa-operands.c (correct_use_link): Remove.
6967 (finalize_ssa_use_ops): No longer call correct_use_link.
6969 2006-04-27 Stuart Hastings <stuart@apple.com>
6971 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6972 * config/t-darwin (crt3.o): Use it.
6973 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6974 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6975 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6976 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6977 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6980 2006-04-27 Roger Sayle <roger@eyesopen.com>
6982 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6983 size, force the intermediate into a new pseudo rather instead of
6984 performing both a bitwise AND and a bitwise IOR in memory.
6986 2006-04-27 Richard Guenther <rguenther@suse.de>
6988 PR rtl-optimization/26685
6989 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6990 this one "max-flow-memory-locations".
6992 2006-04-27 Richard Guenther <rguenther@suse.de>
6994 PR tree-optimization/25148
6995 * tree-vrp.c (compare_values): Remove code dealing with
6996 comparisons against type min/max value. Honour overflow
6997 and negative constants in code dealing with comparisons
6998 of plus and minus expressions.
6999 (value_inside_range): Use fold_binary with LE_EXPR and
7000 GE_EXPR rather than compare_values.
7002 2006-04-27 Dirk Mueller <dmueller@suse.de>
7004 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7007 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7009 * basic-block.h (safe_insert_insn_on_edge): Removed.
7010 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7012 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7013 Paolo Bonzini <bonzini@gnu.org>
7016 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7017 (simplify_and_const_int): Same.
7019 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7021 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7023 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7026 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7027 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7028 cgraph_global_info_ready.
7031 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7034 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7035 either decl or init is error_mark_node.
7038 * tree-flow.h (struct omp_region): Add sched_kind.
7039 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7040 instead of extracting omp for data.
7041 (expand_omp_for): Save extracted sched_kind.
7043 2006-04-25 Roger Sayle <roger@eyesopen.com>
7045 * expmed.c (store_bit_field): Also check whether the bitsize is
7046 valid for the machine's "insv" instruction before moving the
7047 target into a pseudo for use with the insv.
7048 * config/i386/predicates.md (const8_operand): New predicate.
7049 * config/i386/i386.md (extv, extzv, insv): Use the new
7050 const8_operand predicate where appropriate.
7052 2006-04-25 DJ Delorie <dj@redhat.com>
7054 * doc/install.texi (Specific): Clarify that this is not a list of
7055 supported hosts or targets.
7057 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7059 PR rtl-optimization/26725
7060 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7061 block's BB_DIRTY flag.
7063 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7065 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7068 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7069 to print an integer.
7071 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7073 * varasm.c (align_variable): New function.
7074 (get_block_for_decl): Apply align_variable to DECL before
7075 calculating section information.
7076 (assemble_variable): Split out alignment computation.
7078 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7080 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7083 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7085 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7086 MODE_PARTIAL_INT mode.
7087 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7088 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7090 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7091 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7093 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7095 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7097 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7098 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7099 MACFLAG_IH): Likewise.
7100 (movstricthi_1): Renamed from "*movstricthi".
7101 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7102 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7103 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7104 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7105 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7106 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7107 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7108 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7109 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7110 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7111 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7112 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7113 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7114 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7115 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7117 * doc/rtl.texi (ss_ashift): Improve wording.
7119 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7121 * dwarf2out.c (verify_marks_clear): New.
7122 (prune_unused_types): Call verify_marks_clear initially, not
7125 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7127 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7128 * doc/rtl.texi: Document them.
7129 * simplify-rtx.c (simplify_unary_operation,
7130 simplify_binary_operation_1): Don't abort when we see them.
7132 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7135 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7136 * configure.ac: Completely disregard languages that are not
7138 * configure: Regenerated.
7140 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7141 Richard Guenther <rguenther@suse.de>
7143 PR tree-optimization/27236
7144 * tree-inline.c (copy_body_r): Make sure to copy
7145 TREE_THIS_VOLATILE flag.
7147 2006-04-24 Richard Guenther <rguenther@suse.de>
7150 * tree-complex.c (update_parameter_components): Don't handle
7151 unused parameters which have no default def.
7153 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7154 Richard Guenther <rguenther@suse.de>
7156 PR tree-optimization/27218
7157 * tree-inline.c (expand_call_inline): Strip useless type
7158 conversions for the return slot address.
7160 2006-04-24 Richard Guenther <rguenther@suse.de>
7162 * cfgloop.h (struct loops): Remove unused field array. Reorder
7164 (LOOP_PREFETCH): Remove.
7166 2006-04-24 Richard Guenther <rguenther@suse.de>
7168 PR tree-optimization/22525
7169 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7170 variable, adjust types of generated expressions.
7172 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7174 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7175 (tree-vect-patterns.o): Likewise.
7177 (cselib.o): Likewise.
7178 (loop-doloop.o): Likewise.
7179 (regclass.o): Likewise.
7180 (reload1.o): Likewise.
7181 (explow.o): Replace target.h with $(TARGET_H).
7182 (ipa-prop.o): Likewise.
7183 (ipa-cp.o): Likewise.
7184 (ipa-inline.o): Likewise.
7185 (reorg.o): Likewise.
7186 (reg-stack.o): Likewise.
7188 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7190 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7192 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7194 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7196 * configure.ac: Completely disregard languages that are not
7198 * configure: Regenerated.
7201 * c-common.h (c_build_bitfield_integer_type): Declare.
7202 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7203 * c-common.c (c_build_bitfield_integer_type): ... here.
7205 2006-04-23 Roger Sayle <roger@eyesopen.com>
7208 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7209 a SImode SUBREG of a floating point register after no_new_pseudos.
7211 2006-04-23 Roger Sayle <roger@eyesopen.com>
7213 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7214 identify potentially eliminable registers to additionally catch
7215 VIRTUAL_INCOMING_ARGS_REGNUM.
7216 (addsi3): Update the conditions on when to use addsi_small_int.
7218 2006-04-23 Roger Sayle <roger@eyesopen.com>
7221 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7222 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7223 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7225 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7227 * fold-const.c (range_predecessor): Use operand_equal_p
7228 as the predicate for equality.
7229 (range_successor): Likewise.
7231 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7234 * config/soft-fp/op-common.h: Fix a typo.
7236 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7239 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7240 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7242 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7244 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7246 * doc/tm.texi: Fix a typo.
7248 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7250 * dwarf2out.c (struct die_struct): Document that die_sib makes
7251 a circular linked list.
7252 (FOR_EACH_CHILD): New.
7253 (reverse_die_lists): Delete.
7254 (reverse_all_dies): Delete.
7255 (add_dwarf_attr): Correct documentation.
7256 (remove_child_with_prev): New.
7257 (remove_child_TAG): Update for change to die_struct, use
7258 remove_child_with_prev.
7259 (add_child_die): Update for change to die_struct.
7260 (splice_child_die): Use remove_child_with_prev and add_child_die.
7261 (print_die): Use FOR_EACH_CHILD.
7262 (die_checksum): Likewise.
7263 (assign_symbol_names): Likewise.
7264 (output_location_lists): Likewise.
7265 (build_abbrev_table): Likewise.
7266 (calc_die_sizes): Likewise.
7267 (mark_dies): Likewise.
7268 (unmark_dies): Likewise.
7269 (unmark_all_dies): Likewise.
7270 (output_die): Likewise.
7271 (prune_unused_types_mark): Likewise.
7272 (prune_unused_types_walk): Likewise.
7273 (same_die_p): Update for change to die_struct.
7274 (break_out_includes): Likewise.
7275 (prune_unused_types_prune): Likewise.
7276 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7277 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7279 (dwarf2out_finish): Don't call reverse_all_dies.
7281 2006-04-21 Eric Christopher <echristo@apple.com>
7283 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7284 in comments and function names.
7286 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7289 * c-typeck.c (digest_init): Robustify.
7291 * c-typeck.c (pop_init_level): Simplify.
7293 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7295 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7297 2006-04-21 Paul Brook <paul@codesourcery.com>
7299 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7300 hardware floating point.
7302 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7304 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7307 2006-04-21 Nick Clifton <nickc@redhat.com>
7309 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7312 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7315 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7316 C++ lang type in traceback table for Objective-C++.
7318 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7320 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7322 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7324 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7327 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7328 were errors. Remove check for erroneous objects.
7330 2006-04-20 Jeff Law <law@redhat.com>
7332 PR tree-optimization/26854
7333 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7334 checking for zero or one use.
7335 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7336 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7337 * tree-ssa-reassoc.c (negate_value): Similarly.
7338 (reassociate_bb): Similarly.
7340 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7342 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7343 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7344 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7346 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7348 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7349 fp regs if the last fp arg doesn't fit in regs.
7351 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7354 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7355 that the last insn has the REG_INC note.
7357 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7358 Nathan Sidwell <nathan@codesourcery.com>
7361 * stor-layout.c (update_alignment_for_field): Do not align
7363 (place_union_field): Place union field at the start of the union.
7364 (place_field): Move ERROR_MARK check later, and use the current
7365 allocation position to maintain monotonicity.
7367 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7369 * dominance.c: Include timevar.h.
7370 (calculate_dominance_info): Use TV_DOMINANCE.
7371 * timevar.def (TV_DOMINANCE): New timevar.
7372 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7374 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7376 PR rtl-optimization/14261
7377 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7378 move would be an INSV insn.
7379 (noce_process_if_block): Don't optimize if the destination is a
7380 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7382 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7384 * config/s390/s390.md: Add comments with the instructions emitted
7385 by an insn pattern if macros are used.
7387 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7389 PR rtl-optimization/26026
7390 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7391 is a known power of two shifted left a variable amount.
7393 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7395 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7396 to hash table twice when the debug_str section has SECTION_MERGE.
7398 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7400 * config/soft-fp: New directory. From glibc.
7401 * config/soft-fp/t-softfp: New.
7402 * config/soft-fp/README: New.
7403 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7404 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7405 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7406 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7407 * config.gcc: Use rs6000/t-fprules-fpbit or
7408 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7410 * config/rs6000/sfp-machine.h: New. Based on glibc.
7411 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7413 * config/rs6000/t-fprules: Remove fp-bit rules.
7414 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7415 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7416 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7417 (softfp_wrap_start, softfp_wrap_end): New.
7419 2006-04-18 DJ Delorie <dj@redhat.com>
7421 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7423 2006-04-18 Devang Patel <dpatel@apple.com>
7425 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7427 2006-04-18 Nick Clifton <nickc@redhat.com>
7429 * config/sh/t-symbian: Add rule to build sh-c.o
7430 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7431 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7432 (sh_symbian_encode_section_info): Likewise.
7434 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7436 * builtins.c (expand_builtin_strcmp): Cover label definition of
7437 do_libcall with HAVE_cmpstrnsi.
7439 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7441 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7443 * function.h (temp_slot_p): New.
7444 (function): Change the type of x_used_temp_slots to
7445 VEC(temp_slot_p,gc) *.
7447 2006-04-18 Nick Clifton <nickc@redhat.com>
7449 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7450 flag_strength_reduce.
7452 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7454 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7458 Partial revert of revision 112637
7459 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7460 Dale Johannesen <dalej@apple.com>
7463 * regclass.c (struct reg_pref): Update documentation.
7464 (regclass): Set prefclass to NO_REGS if memory is the best option.
7465 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7467 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7469 PR tree-optimization/26821
7470 * tree-ssa-math-opts.c (get_constant_one): New.
7471 (insert_reciprocals): Use it.
7473 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7475 * dwarf2out.c (free_AT): Delete.
7476 (remove_AT): Update string ref counts.
7477 (remove_child_TAG): Don't call free_die.
7479 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7480 or DW_TAG_GNU_EINCL.
7481 (prune_unused_types_walk_attribs): Reset string refcounts.
7482 (prune_unused_types_update_strings): New.
7483 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7484 call free_die. Do call prune_unused_types_update_strings.
7485 (prune_unused_types): Empty debug_str_hash.
7487 2006-04-17 Roger Sayle <roger@eyesopen.com>
7489 * expr.c (expand_assignment): Optimize away no-op moves where the
7490 source and destination are equal and have no side-effects.
7492 2006-04-17 Richard Guenther <rguenther@suse.de>
7495 * reload.c (push_reload): Guard calls to get_secondary_mem
7498 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7500 * alias.c (reg_base_value, old_reg_base_value): Change the
7501 type to VEC(rtx,gc) *.
7502 (REG_BASE_VALUE, find_base_value, record_set,
7503 init_alias_analysis): Use VEC instead of VARRAY.
7505 * alias.c (alias_sets): Change the type to
7506 VEC(alias_set_entry,gc) *.
7507 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7508 VEC instead of VARRAY.
7509 (last_alias_set): Remove.
7511 * cgraph.h (cgraph_edge_p): New.
7512 Update the prototype of cgraph_function_versioning.
7513 * cgraphunit.c (cgraph_copy_node_for_versioning,
7514 cgraph_function_versioning): Use VEC instead of VARRAY.
7515 * ipa-cp.c (ipcp_insert_stage): Likewise.
7517 2006-04-16 Roger Sayle <roger@eyesopen.com>
7520 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7521 "A op B" or "A op C", we may need to convert A to the type of B and C.
7523 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7525 * target.h (struct gcc_target): Add mode_rep_extended.
7526 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7527 (init_num_sign_bit_copies_in_rep): Initialize it using
7529 (truncate_to_mode): Use it.
7530 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7531 * targhooks.h (default_mode_rep_extended): Declare it.
7532 * targhooks.c (default_mode_rep_extended): Define it.
7533 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7534 default_mode_rep_extended.
7535 (TARGET_INITIALIZER): Include it.
7536 * doc/tm.texi (Misc): Document it.
7537 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7538 (mips_truncated_to_mode): New function.
7540 2006-04-16 Roger Sayle <roger@eyesopen.com>
7543 * expr.c (compress_float_constant): Copy the narrow constant into
7544 a new pseudo before extending it to its final width.
7546 2006-04-16 Roger Sayle <roger@eyesopen.com>
7547 Andrew Pinski <pinskia@gcc.gnu.org>
7548 Dale Johannesen <dalej@apple.com>
7551 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7552 special case code to implement V8HImode and V16QImode with SSE2.
7554 2006-04-15 Roger Sayle <roger@eyesopen.com>
7556 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7557 trees are constructed with a suitable tree type.
7559 2006-04-15 Roger Sayle <roger@eyesopen.com>
7561 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7562 (integer_onep): Likewise.
7563 (integer_all_onesp): Likewise.
7564 (integer_pow2p): Likewise.
7565 (integer_nonzerop): Likewise.
7566 (real_zerop): Likewise.
7567 (real_onep): Likewise.
7568 (real_twop): Likewise.
7569 (real_minus_onep): Likewise.
7570 (int_size_in_bytes): Likewise.
7571 (host_integerp): Likewise.
7573 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7575 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7576 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7577 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7579 * tree-ssa-structalias.h (alias_info): Remove num_references.
7581 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7583 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7584 (output_bvb patterns): Likewise.
7585 * pa.c (output_bb): Use 'bb' insn for long branch case.
7586 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7587 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7588 1. Correct length operand for alternatives 1 and 2.
7589 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7590 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7592 2006-04-14 Roger Sayle <roger@eyesopen.com>
7594 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7595 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7596 were accidentally reverted by r112959.
7598 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7601 * except.h (eh_region_outermost): New prototype.
7602 * except.c (eh_region_outermost): New function.
7603 * tree-cfg.c (find_outermost_region_in_block): Use it.
7605 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7607 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7609 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7610 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7611 (init_reload, reload): Use VEC instead of VARRAY.
7612 * reload.h: Update the prototype for
7613 reg_equiv_memory_loc_varray.
7615 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7616 Eric Botcazou <ebotcazou@libertysurf.fr>
7618 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7621 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7624 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7625 to expand fallback builtin function call.
7627 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7630 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7631 and emit libcall here in case the builtin fails.
7632 (expand_builtin_strcmp): Always emit the libcall here on failure.
7634 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7636 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7637 * flow.c (reg_n_info): Change the type to
7638 VEC(reg_info_p,heap) *.
7639 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7641 * regs.h (reg_info_p): New.
7642 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7643 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7644 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7647 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7649 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7651 * params.h (MAX_SCHED_READY_INSNS): New macro.
7652 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7653 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7654 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7655 the ready list for 1 cycle during the first scheduling pass.
7656 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7658 2006-04-13 Richard Henderson <rth@redhat.com>
7661 * gimple-low.c (lower_omp_directive): Remove dead code.
7662 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7663 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7664 * omp-low.c (struct omp_region): Move to tree-flow.h.
7665 (root_omp_region): Export.
7666 (omp_regions, lookup_omp_region): Remove.
7667 (determine_parallel_type): Update for struct omp_region changes.
7668 (dump_omp_region): Dump regions with block numbers.
7669 (new_omp_region): Take type and block instead of stmt; malloc
7671 (free_omp_region_1, free_omp_regions): New.
7672 (expand_parallel_call): Take entry_stmt as argument; update for
7673 changes to omp_region.
7674 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7675 (remove_exit_barriers): New.
7676 (expand_omp_parallel): Update for struct omp_region changes.
7677 (expand_omp_synch): Likewise.
7678 (expand_omp): Likewise.
7679 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7680 (expand_omp_for_static_chunk): Likewise.
7681 (expand_omp_for): Likewise.
7682 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7683 (expand_omp_sections): Similarly, with GOMP_sections_end.
7684 (expand_omp_single): New.
7685 (build_omp_regions_1): Update for OMP_CONTINUE.
7686 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7687 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7688 OMP_SECTIONS_SECTIONS.
7689 (lower_omp_single_simple): Don't emit barrier here.
7690 (lower_omp_single_copy): Likewise.
7691 (lower_omp_single): Fix bindings, and lower to straightline now.
7692 (lower_omp_master, lower_omp_ordered): Likewise.
7693 (lower_omp_critical): Likewise.
7694 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7695 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7696 omp edges, free it afterward.
7697 (make_omp_sections_edges): Remove.
7698 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7699 (move_stmt_r): Handle OMP_CONTINUE.
7700 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7701 statement pointers to basic blocks. Add type member.
7702 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7703 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7704 * tree-inline.c (estimate_num_insns_1): Likewise.
7705 * tree-pretty-print.c (dump_generic_node): Likewise.
7706 * tree-ssa-operands.c (get_expr_operands): Likewise.
7707 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7708 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7709 (OMP_CONTINUE): New.
7710 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7711 (OMP_SECTIONS_SECTIONS): Remove.
7712 (OMP_SECTION_LAST): New.
7713 (OMP_RETURN_NOWAIT): New.
7715 2006-04-13 Roger Sayle <roger@eyesopen.com>
7717 * fold-const.c (native_encode_vector, native_interpret_real):
7718 Correct obvious mistakes in the previous check-in.
7720 2006-04-13 Roger Sayle <roger@eyesopen.com>
7722 * fold-const.c (native_encode_expr): New function to encode
7723 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7724 or VECTOR_CST into a specified buffer.
7725 (native_encode_int): New function.
7726 (native_encode_real): New function.
7727 (native_encode_complex): New function.
7728 (native_encode_vector): New function.
7729 (native_interpret_expr): Inverse of native_encode_expr to convert
7730 a target representation into an INTEGER_CST, REAL_CST etc...
7731 (native_interpret_int): New function.
7732 (native_interpret_real): New function.
7733 (native_interpret_complex): New function.
7734 (native_interpret_vector): New function.
7735 (fold_view_convert_expr): New function to constant fold/evaluate
7736 a VIEW_CONVERT_EXPR of a suitable constant expression.
7737 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7738 Change call of build1 to fold_build1 when constructing a
7741 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7742 Ulrich Weigand <uweigand@de.ibm.com>
7745 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7748 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7751 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7752 optimize to lo_sum for DFmode if !TARGET_FPRS.
7754 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7756 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7757 delete_alias_info, compute_flow_sensitive_aliasing,
7758 group_aliases): Use VEC instead of VARRAY.
7759 * tree-ssa-structalias.c (update_alias_info): Likewise.
7760 * tree-ssa-structalias.h (alias_info): Change the type of
7761 processed_ptrs to VEC(tree,heap) *.
7763 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7766 * config/sh/lib1funcs.h: New file, broken out of:
7767 * config/sh/lib1funcs.asm.
7768 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7770 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7771 * config/sh/lib1funcs-Os-4-200.asm: New file.
7772 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7773 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7774 (EXTRA_MULTILIB_PARTS): Include it.
7775 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7776 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7777 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7778 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7781 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7783 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7784 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7785 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7787 * tree-ssa-live.h: Include vecprim.h.
7788 (tree_partition_associator_d): Change the type of
7789 first_partition to VEC(int,heap) *.
7790 (tpa_first_partition): Use VEC instead of VARRAY.
7792 * Makefile.in (GTFILES): Move functions.h after tree.h.
7793 * function.c (reset_block_changes, record_block_change,
7794 check_block_change, free_block_changes): Use VEC instead of
7796 * function.h (function): Change the type of
7797 ib_boundaries_block to VEC(tree,gc) *.
7798 * tree-inline.c (copy_cfg_body): Initialize
7799 ib_boundaries_block to NULL instead of (varray_type) 0.
7801 2006-04-12 Roger Sayle <roger@eyesopen.com>
7803 * expr.c (emit_group_store): Correct operand order in call to
7804 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7805 a SUBREG_BYTE of zero.
7807 2006-04-12 Richard Guenther <rguenther@suse.de>
7809 * profile.c (compute_branch_probabilities): Remove code
7810 encapsulated in !ir_type (), which are remanents of the
7811 removed RTL profiling code.
7812 * rtl-profile.c: Remove.
7814 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7816 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7817 magic NULL_RTX comment.
7818 (function_arg): Store entire fp arg to mem if any part should go
7820 (rs6000_arg_partial_bytes): Adjust for above change.
7822 2006-04-11 Roger Sayle <roger@eyesopen.com>
7824 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7825 if it hasn't been initialized by dwarf2out_init.
7827 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7829 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7830 symbolic constants in branch patterns.
7832 2006-04-11 Roger Sayle <roger@eyesopen.com>
7834 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7836 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7838 PR rtl-optimization/27073
7839 * gcse.c (try_replace_reg): Revert last change. Continue to search
7840 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7843 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7845 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7846 aggregate types other than record and union types.
7847 (function_arg): Likewise.
7848 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7850 (function_value): In 64-bit mode, return objects that require it
7853 2006-04-11 Roger Sayle <roger@eyesopen.com>
7855 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7857 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7859 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7861 2006-04-03 Jeff Law <law@redhat.com>
7864 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7865 alias information too.
7867 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7869 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7871 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7874 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7875 (premark_used_types_helper): New.
7876 (premark_used_types): New.
7877 (gen_subprogram_die): Call premark_used_types.
7878 (prune_unused_types_walk): Do not prune perennial dies.
7879 * function.c (used_types_insert): New.
7880 * function.h (struct function): Add used_types_hash field.
7881 (used_types_insert): Add prototype.
7882 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7883 * c-parser.c (c_parser_cast_expression): Save casted types in used
7886 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7889 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7890 rs6000_explicit_options.float_gprs.
7892 2006-04-10 Roger Sayle <roger@eyesopen.com>
7894 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7895 from ix86_expand_vector_init_low_nonzero. Take an additional
7896 one_var argument indicating which element is non-zero. Support
7897 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7898 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7899 with one_var instead of ix86_expand_vector_init_low_nonzero.
7901 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7903 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7904 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7905 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7906 build/genextract.o): Depend on vecprim.h.
7907 * cfglayout.c, df-problems.c, function.c, genextract.c,
7908 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7909 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7913 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7915 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7916 Declare VECs of this type.
7917 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7918 (remove_children): Delete.
7919 (add_dwarf_attr): Use VEC routines.
7920 (add_AT_flag): Update for changes to add_dwarf_attr.
7921 (add_AT_int): Likewise.
7922 (add_AT_unsigned): Likewise.
7923 (add_AT_long_long): Likewise.
7924 (add_AT_vec): Likewise.
7925 (add_AT_string): Likewise.
7926 (add_AT_die_ref): Likewise.
7927 (add_AT_fde_ref): Likewise.
7928 (add_AT_loc): Likewise.
7929 (add_AT_loc_list): Likewise.
7930 (add_AT_addr): Likewise.
7931 (add_AT_lbl_id): Likewise.
7932 (add_AT_lineptr): Likewise.
7933 (add_AT_macptr): Likewise.
7934 (add_AT_offset): Likewise.
7935 (add_AT_range_list): Likewise.
7936 (get_AT): Use VEC_iterate.
7937 (remove_AT): Use VEC_ordered_remove.
7938 (free_die): Fold remove_children into here; have it use VEC_iterate.
7939 (print_die): Use VEC_iterate on attrs.
7940 (reverse_die_lists): Don't reverse attr lists.
7941 (die_checksum): Use VEC_iterate on attrs.
7942 (same_die_p): Likewise.
7943 (output_location_lists): Likewise.
7944 (build_abbrev_table): Likewise.
7945 (size_of_die): Likewise.
7946 (unmark_all_dies): Likewise.
7947 (output_abbrev_section): Likewise.
7948 (output_die): Likewise.
7949 (prune_unused_types_walk_attribs): Likewise.
7951 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7953 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7955 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7958 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7960 2006-04-09 Roger Sayle <roger@eyesopen.com>
7962 * expr.c (store_constructor): Don't bother clearing target if
7963 we're about to assign a vector to it using vec_init_optab.
7965 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7967 * tree-ssa-alias.c (lhs_may_store_to): New function.
7968 (recalculate_used_alone): Handle LHS of calls.
7970 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7974 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7975 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7976 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7977 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7978 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7979 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7980 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7981 stubs. Add ".align 8" directives before all ".dword" directives.
7982 (GTHREAD_USE_WEAK): Revise comment.
7983 (TARGET_ATTRIBUTE_WEAK): Define.
7984 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7985 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7986 * stublib.c: New file.
7991 * pa.md (cbranch patterns): Revise arguments used in calls to
7992 output_cbranch, output_bb and output_bvd. Add long branch length
7994 (fbranch patterns): Handle long branches.
7995 (jump): Revise length check. Revise arguments for output_lbranch call.
7996 Add long branch length attributes.
7997 (decrement_and_branch_until_zero): Add long branch length attributes.
7998 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7999 Likewise. Revise arguments for output_parallel_addb and
8000 output_parallel_movb calls.
8001 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8002 output_parallel_movb and output_parallel_addb): Update prototypes.
8003 * pa.c (output_cbranch): Revise arguments. Correct handling of
8004 nullification in long branches.
8005 (output_lbranch): Add new argument to control extraction of delay
8007 (output_bb): Handle long branches.
8008 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8009 output_parallel_addb): Likewise.
8011 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8013 PR rtl-optimization/27073
8014 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8017 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8019 * tree.h (tree_memory_tag): Add old_used_alone.
8020 (SMT_OLD_USED_ALONE): New macro.
8021 * tree-ssa-alias.c (recalculate_used_alone): Stop
8022 marking things for renaming unnecessarily.
8024 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8026 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8027 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8028 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8029 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8030 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8031 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8032 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8033 spelling convensions.
8034 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8035 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8036 typos. Follow spelling conventions.
8038 2006-04-07 DJ Delorie <dj@redhat.com>
8040 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8041 passed on the stack.
8042 (m32c_init_cumulative_args): When a function returns a structure,
8043 always pass the pointer to that return area on the stack.
8044 (m32c_function_arg_advance): Don't increment the parameter number
8045 if we're processing the returned structure pointer.
8046 (pushm_info): Reverse order of registers.
8048 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8050 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8051 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8052 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8053 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8055 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8056 chrec_fold_multiply): Same.
8057 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8058 force_expr_to_var_cost): Same.
8059 * tree-mudflap.c (mf_xform_derefs_1): Same.
8060 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8062 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8064 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8065 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8068 2006-04-07 Jan Hubicka <jh@suse.cz>
8070 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8072 2006-04-07 Richard Guenther <rguenther@suse.de>
8074 PR tree-optimization/26135
8075 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8076 loads for store copy-prop.
8077 (copy_prop_visit_stmt): Likewise.
8079 2006-04-05 Robert Millan <robertmh@gnu.org>
8081 * config/i386/linux.h: Add a comment to mark macros that are
8082 being overriden in config/k*bsd-gnu.h.
8083 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8085 * config/knetbsd-gnu.h: Ditto.
8087 2006-04-06 Jan Hubicka <jh@suse.cz>
8091 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8094 2006-04-06 Mike Stump <mrs@apple.com>
8096 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8097 for HAVE_nonlocal_goto to be consistent.
8098 (expand_builtin_nonlocal_goto): Likewise.
8099 (expand_builtin_strcmp): Use #ifdef instead of #if
8100 for HAVE_cmpstrnsi to be consistent.
8102 2006-04-05 DJ Delorie <dj@redhat.com>
8104 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8107 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8109 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8110 got-relative addressing for anything but SImode.
8112 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8113 even if the calling function doesn't modify them.
8115 2006-04-05 Richard Guenther <rguenther@suse.de>
8117 PR tree-optimization/26919
8118 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8119 to cgraph_estimate_size_after_inlining.
8121 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8123 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8125 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8127 PR tree-optimization/26996
8128 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8129 VECTOR_TYPE variables.
8131 2006-04-05 Richard Guenther <rguenther@suse.de>
8133 PR tree-optimization/26763
8134 * fold-const.c (fold_comparison): Move folding of
8135 PTR + CST CMP PTR + CST ...
8136 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8138 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8140 * doc/install.texi (Prerequisites): Refine some wording on
8141 bootstrapping and ksh.
8142 Move the version numbers of DejaGnu here from the testing section
8143 and fix casing of names.
8144 Fix markup and clarify wording for autogen requirements.
8145 Refer to GCJ instead of just java.
8146 Refer to SVN instead of CVS.
8147 Describe diffutils as useful instead of necessary.
8148 (Downloading the source): Refer to SVN instead of CVS.
8149 Adjust a link to our web site accordingly.
8150 (Configuration): Fix casing of Bison.
8151 (Building): Refer to SVN instead of CVS.
8152 Fix a sentence on the use of Bison and remove duplicate (and
8153 incorrect) version number of Bison requirement.
8154 Remove one redundant list of packages needed for building.
8155 (Specific): Avoid reference to CVS.
8157 2006-04-04 Eric Christopher <echristo@apple.com>
8159 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8160 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8161 (rs6000_handle_struct_attribute): New.
8162 (rs6000_ms_bitfield_layout_p): Ditto.
8164 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8166 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8167 NULL for dso parameter to atexit_common.
8169 2006-04-04 Eric Christopher <echristo@apple.com>
8171 * config/i386/i386.c (machopic_output_stub): Output \t
8172 between instructions and operands.
8174 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8176 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8177 satisfies_constraint_[IL] to explicit tests on value.
8179 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8181 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8182 set_nb_iterations_in_loop): Use build_int_cst instead of
8184 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8185 build_int_cst instead of convert.
8187 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8189 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8190 new value 2 for incoming.
8191 * function.c (expand_function_start): Call struct_value_rtx
8193 * config/sparc/sparc.md: Comment updated_return.
8194 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8195 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8196 struct return if sparc_std_struct_return and incoming is 2.
8197 (print_operand): Do not adjust return if
8198 sparc_std_struct_return.
8200 2006-04-04 Roger Sayle <roger@eyesopen.com>
8202 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8203 convert in the middle-end.
8204 * expr.c (store_expr, store_constructor, get_inner_reference,
8205 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8207 * tree.c (build_range_type): Likewise.
8209 2006-04-04 Tom Tromey <tromey@redhat.com>
8211 * doc/install.texi (Prerequisites): Mention jar.
8213 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8215 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8218 2006-04-04 Matthias Klose <doko@debian.org>
8220 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8224 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8227 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8229 * doc/extend.texi (Function Attributes): Rewrite visibility
8230 attribute documentation.
8231 * doc/invoke.texi (C++ Dialect Options): Rewrite
8232 -fvisibility-inlines-hidden documentation to describe something
8233 entirely different, although in practise compatible.
8234 (Code Gen Options): Warn about system headers in -fvisibility=
8237 * doc/extend.texi (Other Builtins): Document that
8238 __builtin_nan is a compile-time constant only when its argument
8241 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8243 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8244 trying to remove TRUNCATE check if all bits outside the new mode
8245 are identical to the sign bit.
8247 2006-04-03 Jeff Law <law@redhat.com>
8249 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8250 and operand scanning in some common cases.
8252 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8253 Dale Johannesen <dalej@apple.com>
8256 * regclass.c (struct reg_pref): Update documentation.
8257 (regclass): Set prefclass to NO_REGS if memory is the best option.
8258 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8259 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8260 into account. For non-registers, equate an empty preferred
8261 reload class to a `!' in the constraint; move the if clause to
8262 do so after those that reject the insn.
8263 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8265 (find_dummy_reload): Likewise.
8266 * doc/tm.texi (Register Classes): Document what it means
8267 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8268 * config/i386/i386.c (ix86_preferred_reload_class): Force
8269 using SSE registers (and return NO_REGS for floating-point
8270 constants) if math is done with SSE.
8271 (ix86_preferred_output_reload_class): New.
8272 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8273 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8274 * config/i386/i386.md: Remove # register preferences.
8276 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8279 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8280 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8281 the type of nb_iter.
8282 (instantiate_parameters_1): Convert the operands before calling
8283 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8284 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8286 2006-04-02 Roger Sayle <roger@eyesopen.com>
8288 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8289 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8291 * dojump.c (do_jump): Likewise.
8292 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8293 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8294 gimplify_boolean_expr): Likewise.
8295 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8296 * varasm.c (array_size_for_constructor): Likewise.
8297 * tree-object-size.c (compute_object_offset): Likewise.
8299 2006-04-02 Roger Sayle <roger@eyesopen.com>
8302 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8303 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8305 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8307 PR tree-optimization/26939
8308 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8310 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8312 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8313 at_stmt. Convert the type of operands before calling
8314 build_polynomial_chrec.
8315 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8317 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8318 (instantiate_parameters_1): Convert the type of operands before calling
8319 build_polynomial_chrec.
8320 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8321 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8322 reset_evolution_in_loop): Insert asserts to check the types of the
8324 (chrec_type): Moved...
8325 (eq_evolutions_p): Use operand_equal_p.
8326 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8327 the types of the operands.
8328 (chrec_type): ...here.
8329 * tree-data-ref.c (create_data_ref): Convert the operands before
8330 calling chrec_replace_initial_condition.
8331 (same_access_functions, analyze_subscript_affine_affine,
8332 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8333 (compute_subscript_distance, analyze_ziv_subscript,
8334 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8335 analyze_miv_subscript): Convert the operands before calling
8336 chrec_fold_minus or chrec_fold_plus.
8338 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8340 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8341 the dependence_relations vector.
8342 (compute_data_dependences_for_loop): Adjust call to
8343 compute_all_dependences.
8345 2006-04-01 Roger Sayle <roger@eyesopen.com>
8346 Richard Henderson <rth@redhat.com>
8348 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8349 gimple_boolify on the condition before calling gimplify_expr.
8351 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8353 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8354 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8355 the frame size. Update to use the new macros.
8356 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8357 * config/xtensa/ieee754-df.S: Likewise.
8359 2006-03-31 Richard Henderson <rth@redhat.com>
8361 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8362 (make_edges): ... here. Control fallthru creation with a local
8363 variable. Do not play with fake edges.
8364 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8365 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8368 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8370 * dwarf2.h (DW64_CIE_ID): Define.
8371 * dwarf2out.c (DWARF_CIE_ID): Define.
8372 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8373 length header. Use DWARF_CIE_ID.
8374 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8375 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8377 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8379 * config/sh/linux-atomic.asm: New file.
8380 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8382 2006-03-31 DJ Delorie <dj@redhat.com>
8384 * config/m32c/cond.md: Set condition flags properly throughout.
8385 * config/m32c/minmax.md: Likewise.
8386 * config/m32c/prologue.md: Likewise.
8387 * config/m32c/bitops.md: Likewise.
8388 * config/m32c/muldiv.md: Likewise.
8389 * config/m32c/mov.md: Likewise.
8390 * config/m32c/addsub.md: Likewise.
8391 * config/m32c/m32c.md: Likewise.
8392 * config/m32c/jump.md: Likewise.
8393 * config/m32c/shift.md: Likewise.
8395 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8396 conditionally output the pattern for this.
8397 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8398 (m32c_compare_redundant): New.
8399 (m32c_output_compare): New.
8400 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8402 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8403 dest, not src. Allow other 4-byte modes.
8405 2006-03-30 Denis Chertykov <denisc@overta.ru>
8407 * doc/md.texi: Refer to avr/constraints.md instead of
8410 2006-03-30 Roger Sayle <roger@eyesopen.com>
8412 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8413 signed vs. unsigned comparison failures on some hosts.
8415 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8418 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8419 change to FLOAT_REGS.
8421 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8422 (rs6000_override_options): Use it.
8423 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8424 only for -mabi=spe/no-spe and -mabi=altivec.
8426 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8428 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8431 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8433 * Makefile.in: Rename docdir to gcc_docdir.
8435 2006-03-30 Roger Sayle <roger@eyesopen.com>
8438 * expr.c (emit_group_store): Optimize group stores into a pseudo
8439 register by using a paradoxical subreg to initialize the destination
8440 if the first or last member of the group specifies a "low part".
8442 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8445 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8446 * target.h (struct gcc_target.speculate_insn): Change type of the
8447 second parameter to 'int'.
8448 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8449 the second operand of the DEPS_LIST.
8450 (copy_DEPS_LIST_list): Update reference to the second operand of the
8452 * rtl.h (alloc_DEPS_LIST): Update signature.
8453 * sched-int.h (ds_t): Change typedef to 'int'.
8454 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8456 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8458 * haifa-sched.c (try_ready): Change condition to restore
8459 non-speculative pattern of the instruction.
8460 (process_insn_depend_be_in_spec): Code to keep probability of the
8461 speculative dependence non-decreasing.
8463 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8465 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8466 (single_move_for_movmem): ... this. Also change all uses.
8467 (bfin_expand_strmov): Renamed to...
8468 (bfin_expand_movmem): ... this. Also change all uses.
8469 * config/bfin/bfin.md (movstrsi): Renamed to...
8470 (movstrsi): ...this.
8472 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8474 PR tree-optimization/26830
8476 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8477 (copy_prop_visit_stmt): Remove write-only variable ann.
8478 (init_copy_prop): Check variable loop depth here. Do not simulate
8479 memory-tag and virtual operand PHIs except for store copy prop.
8481 2006-03-30 Richard Guenther <rguenther@suse.de>
8483 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8484 variants with double arguments.
8486 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8488 * genpreds.c (write_tm_constrs_h): Delete variable p.
8489 * genconditions.c (write_header): Add tm-constrs.h to included
8491 * genpeep.c (main): Add toplev.h to included headers.
8492 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8493 (build/genpeep.o): Add toplev.h dependency.
8494 * config/rs6000/constraints.md: Add "W" constraint.
8496 2006-03-29 Roger Sayle <roger@eyesopen.com>
8498 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8499 sizes by correctly testing whether the size fits a host integer.
8500 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8501 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8502 SImode range for the default sizetype and bitsizetype.
8504 2006-03-29 Roger Sayle <roger@eyesopen.com>
8506 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8507 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8508 quickly if the argument is already of the correct type.
8509 Call fold_build1 instead of build1. Tidy up blank lines.
8511 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8513 * genemit.c (main): Add tm-constrs.h to included headers.
8514 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8515 * genpeep.c (main): Add tm-constrs.h to included headers.
8516 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8517 (write_tm_constrs_h): this and write complete file.
8518 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8519 (write_insn_preds_c): Add tm-constrs.h to included headers.
8520 (gen_constrs): New variable.
8521 (parse_option): Parse "-c".
8522 (main): Invoke write_tm_constrs_h.
8523 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8524 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8525 (object_out_file): Add tm-constrs.h dependency.
8526 (insn-emit.o): Same.
8527 (insn-output.o): Same.
8528 (insn-peep.o): Same.
8529 (insn-preds.o): Same.
8530 (insn-recog.o): Same.
8531 (tm-constsr.h): New target.
8532 (s-constrs-h): New target.
8534 * config/rs6000/constraints.md: New file.
8535 * config/rs6000/rs6000.c: Include tm-constrs.h.
8536 (num_insn_constant_wide): Convert to satisfies_constraint.
8537 (rs6000_rtx_costs): Convert to satisfies_constraint.
8538 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8539 (CONST_OK_FOR_LETTER_P): Delete.
8540 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8541 (EXTRA_CONSTRAINT): Delete.
8542 (EXTRA_MEMORY_CONSTRAINT): Delete.
8543 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8544 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8545 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8546 satisfies_constraint.
8548 * config/i386/i386.c: Include tm-constrs.h.
8550 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8552 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8553 * tree-data-ref.c (find_data_references_in_loop,
8554 compute_data_dependences_for_loop): Use pointers to VEC.
8555 (analyze_all_data_dependences): Adjust calls.
8556 * tree-data-ref.h (find_data_references_in_loop,
8557 compute_data_dependences_for_loop): Adjust declarations.
8558 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8559 compute_data_dependences_for_loop.
8561 2006-03-29 Paul Brook <paul@codesourcery.com>
8563 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8566 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8568 PR tree-optimization/26859
8569 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8571 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8572 for the step after fold_convert.
8574 2006-03-29 Paul Brook <paul@codesourcery.com>
8576 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8577 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8579 2006-03-29 Paul Brook <paul@codesourcery.com>
8582 * targhooks.c (default_narrow_bitfield): New fuction.
8583 * targhooks.h (default_narrow_bitfield): add prototype.
8584 * target.h (gcc_target): Add narrow_volatile_bitfield.
8585 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8586 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8587 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8588 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8590 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8592 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8594 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8595 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8596 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8597 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8598 (s390_function_arg_float): Allow SDmode and DDmode values to be
8599 passed in floating point registers.
8600 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8601 check with SCALAR_FLOAT_MODE_P.
8602 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8604 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8606 PR tree-optimization/25985
8607 * tree-ssa-loop-niter.c (number_of_iterations_le,
8608 number_of_iterations_ne): Make comments more precise.
8609 (number_of_iterations_cond): Add only_exit argument. Use the
8610 fact that signed variables do not overflow only when only_exit
8612 (loop_only_exit_p): New.
8613 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8614 number_of_iterations_cond.
8616 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8618 PR tree-optimization/26643
8619 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8622 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8624 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8625 (divsi3_i4_int): Likewise.
8627 2006-03-28 Roger Sayle <roger@eyesopen.com>
8629 * expr.c (emit_group_store): Only create a new pseudo reg if the
8630 quantity it needs to hold isn't already a suitable pseudo.
8632 2006-03-28 Jeff Law <law@redhat.com>
8634 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8635 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8637 2006-03-28 Roger Sayle <roger@eyesopen.com>
8639 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8640 the equivalent ~X & Y, and the symmetry related transformations.
8641 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8642 ~X & Y, and symmetry related transforms.
8644 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8646 Revert my 2006-03-27 patches.
8648 2006-03-28 Roger Sayle <roger@eyesopen.com>
8650 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8651 ~(T1)X, when T1 and T2 are integer types of the same precision
8652 and (T2)X isn't an extension.
8654 2006-03-28 Jeff Law <law@redhat.com>
8656 PR tree-optimization/26796
8657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8658 need EH edge cleanups rather than purging them immediately.
8659 (eliminate_degenerate_phis): Handle queued EH cleanups.
8661 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8663 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8666 2006-03-27 Roger Sayle <roger@eyesopen.com>
8669 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8670 cast BIT_NOT_EXPR operand to the correct type.
8672 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8674 * tree-loop-linear.c: Don't include varray.h.
8675 (gather_interchange_stats, try_interchange_loops,
8676 linear_transform_loops): Use VEC instead of VARRAY.
8677 * lambda-mat.c: Don't include varray.h.
8678 * tree-chrec.c: Same.
8679 * lambda-trans.c: Same.
8680 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8681 VEC instead of VARRAY.
8682 * tree-vectorizer.h: Idem.
8683 * tree-data-ref.c (dump_data_references,
8684 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8685 initialize_data_dependence_relation, finalize_ddr_dependent,
8686 compute_all_dependences, find_data_references_in_loop,
8687 compute_data_dependences_for_loop, analyze_all_data_dependences,
8688 free_dependence_relation, free_dependence_relations,
8689 free_data_refs): Idem.
8690 * tree-data-ref.h (data_reference_p, subscript_p): New.
8691 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8692 VEC instead of VARRAY.
8693 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8694 (find_data_references_in_loop, compute_data_dependences_for_loop,
8695 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8696 dump_data_dependence_relations, free_dependence_relations,
8697 free_data_refs): Adjust declaration.
8698 (lambda_transform_legal_p): Move declaration here...
8699 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8700 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8701 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8702 vect_analyze_data_refs): Use VEC instead of VARRAY.
8703 * lambda.h (lambda_transform_legal_p): ...from here.
8704 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8705 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8706 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8707 tree-chrec.o): Don't depend on VARRAY_H.
8709 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8711 * rtl.def (Copyright): Update date.
8712 (DEPS_LIST): Change type of the second operand to 'int'.
8713 * target.h (Copyright): Update date.
8714 (struct gcc_target.speculate_insn): Change type of the second parameter
8716 * lists.c (Copyright): Update date.
8717 (alloc_DEPS_LIST): Change signature. Update reference to the second
8718 operand of the DEPS_LIST.
8719 (copy_DEPS_LIST_list): Update reference to the second operand of the
8721 * rtl.h (Copyright): Update date.
8722 (alloc_DEPS_LIST): Update signature.
8723 * sched-int.h (Copyright): Update date.
8724 (ds_t): Change typedef to 'int'.
8725 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8727 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8729 * haifa-sched.c (Copyright): Update date.
8730 (try_ready): Change condition to restore non-speculative pattern
8732 (process_insn_depend_be_in_spec): Code to keep probability of the
8733 speculative dependence non-decreasing.
8735 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8737 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8738 shut up the compiler.
8740 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8742 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8743 to use lib prefix for target.
8744 ($(T)libic_invalidate_array_4-200.a): Likewise.
8745 ($(T)libic_invalidate_array_4a.a): Likewise.
8747 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8748 J"orn Rennecke <joern.rennecke@st.com>
8750 * superh.opt: New file.
8751 * sh.c (boardtype, osruntime): Remove.
8752 * superh.h (SUBTARGET_OPTIONS): Remove.
8753 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8755 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8756 arguments with ^ and/or [].
8758 * config.gcc (sh-*-*): Add quoting to account for quirk of
8760 Replace == with = in enable_incomplete_targets test.
8762 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8763 with MASK_LITTLE_ENDIAN.
8765 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8766 * config/sh/sh.opt: Added to some comments.
8767 * config/sh/superh.h: Removed some chaff.
8769 * config/sh/sh.opt: Add m4-[1234]00* options.
8770 * config/sh/sh.c (sh_handle_option): Likewise.
8771 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8772 (ic_invalidate_array_4-100.o): New rule.
8773 ($(T)libic_invalidate_array_4-100.a): Likewise.
8774 (ic_invalidate_array_4-200.o): Likewise.
8775 ($(T)libic_invalidate_array_4-200.a): Likewise.
8776 (ic_invalidate_array_4a.o): Likewise.
8777 ($(T)libic_invalidate_array_4a.a): Likewise.
8778 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8779 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8781 * config/sh/crt1.asm: Merged in profiling code.
8782 * config/sh/superh.h (STARTFILE_SPEC): Override.
8783 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8784 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8785 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8787 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8788 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8789 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8791 * sh.opt (mpretend-cmove): New option.
8792 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8793 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8794 (movsicc): Add TARGET_PRETEND_CMOVE code.
8796 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8798 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8799 s390_class_max_nregs): New function prototypes.
8800 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8801 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8802 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8803 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8805 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8807 * dwarf2out.c (add_location_or_const_value_attribute): Call
8808 tree_add_const_value_attribute if nothing else works.
8809 (reference_to_unused): New.
8810 (rtl_for_decl_init): Use reference_to_unused to decide whether
8811 to output an initializer.
8813 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8816 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8817 peephole removing spe frob_di_df_2.
8819 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8821 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8822 (subscript_dependence_tester_1): Declared.
8823 (print_dir_vectors, print_dist_vectors): New.
8824 (debug_data_dependence_relation): New.
8825 (dump_data_dependence_relation): Print more details.
8826 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8827 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8828 (save_dist_v, save_dir_v, add_outer_distances,
8829 build_classic_dist_vector_1): New.
8830 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8831 Don't test for lambda_vector_lexico_pos.
8832 (same_access_functions, add_multivariate_self_dist,
8833 add_other_self_distances, dir_from_dist): New.
8834 (build_classic_dir_vector): Replace implementation almost identical to
8835 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8837 (subscript_dependence_tester_1): New.
8838 (subscript_dependence_tester): Handle the lexicographically negative
8839 distance vectors by recomputing the dependence relation.
8840 (compute_affine_dependence): Remove parameter loop_nest_depth.
8841 (compute_self_dependence): Don't call compute_subscript_distance.
8842 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8843 Add a parameter for the loop_nest.
8844 (find_loop_nest_1, find_loop_nest): New.
8845 (compute_data_dependences_for_loop): Compute the loop nest, and give
8846 up if the nest is not well formed.
8847 * tree-data-ref.h (loop_p): New.
8848 (struct data_dependence_relation): Replace size_vect field with
8849 loop_nest, a vec of loops.
8850 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8851 (DDR_LOOP_NEST): New.
8852 (print_dir_vectors, print_dist_vectors,
8853 debug_data_dependence_relation): Declared.
8854 (index_in_loop_nest): New.
8855 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8856 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8859 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8861 * simplify-rtx.c (simplify_relational_operation): Call
8862 simplify_relational_operation_1 even if mode is VOIDmode.
8864 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8866 PR tree-optimization/26804
8867 * tree.h (DECL_CALL_CLOBBERED): New macro.
8868 (tree_decl_common): Add call_clobbered_flag.
8869 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8870 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8871 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8872 (mark_non_addressable): Ditto.
8873 * tree-ssa.c (verify_call_clobbered): New function.
8874 (verify_alias_info): Use it.
8875 * tree-pass.h (pass_reset_cc_flags): New prototype.
8876 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8877 (reset_cc_flags): New function.
8878 * passes.c (init_optimization_passes): Call reset_cc_flags after
8879 initializing referenced_vars.
8881 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8882 Roger Sayle <roger@eyesopen.com>
8885 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8886 to 1.0 for non-real operands. Implement A / A optimization for
8889 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8891 * config/i386/i386.c (size_cost): Correct the comment for
8892 cost of storing fp registers.
8893 (i386_cost): Likewise.
8894 (i486_cost): Likewise.
8895 (pentium_cost): Likewise.
8896 (pentiumpro_cost): Likewise.
8897 (k6_cost): Likewise.
8898 (athlon_cost): Likewise.
8899 (k8_cost): Likewise.
8900 (pentium4_cost): Likewise.
8901 (nocona_cost): Likewise.
8902 (generic64_cost): Likewise.
8903 (generic32_cost): Likewise.
8905 2006-03-24 Denis Chertykov <denisc@overta.ru>
8907 * config/avr/avr-protos.h (extra_constraint): Delete.
8908 (extra_constraint_Q): New declaration.
8909 * config/avr/constraints.md: New file.
8910 * config/avr/avr.md: Include it.
8911 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8912 (TMP_REGNO, ZERO_REGNO): Likewise.
8913 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8914 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8915 (extra_constraint): Delete.
8916 (extra_constraint_Q): Test for memory constraint 'Q'.
8917 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8918 (REG_CLASS_FROM_LETTER): Delete.
8919 (CONST_OK_FOR_LETTER_P): Delete.
8920 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8921 (EXTRA_CONSTRAINT): Delete.
8922 (TMP_REGNO): Delete.
8923 (ZERO_REGNO): Delete.
8925 2006-03-24 Jeff Law <law@redhat.com>
8927 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8928 directly. Call mark_new_vars_to_rename slightly earlier.
8930 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8932 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8934 (gen_compile_unit_die): Use new language types for Objective-C and
8936 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8937 DW_LANG_C_plus_plus.
8940 * config/t-darwin (crt3.o): Work around bug 26840.
8941 * config/darwin-crt3.c: Rewrite.
8942 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8944 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8946 * doc/invoke.texi: Document -femit-class-debug-always
8947 * common.opt: Add -femit-class-debug-always.
8949 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8951 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8952 index and base register.
8953 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8954 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8955 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8956 REGNO_OK_FOR_INDEX_P.
8957 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8959 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8960 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8961 REG_OK_FOR_BASE_P): Definitions removed.
8963 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8966 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8967 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8968 set yet or weren't marked as local yet.
8970 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8972 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8975 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8977 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8978 (rs6000_legitimate_small_data_p): Delete.
8979 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8980 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8981 and make static. Add forward declaration. Update uses.
8982 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8983 of offsettable_memref_p.
8984 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8985 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8987 2006-03-24 Jeff Law <law@redhat.com>
8989 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8990 around bug in immediate-use iterator.
8992 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8995 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8996 or __LITTLE_ENDIAN__.
8998 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9000 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9001 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9002 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9003 * config/sh/sh.opt (mdiv=): Amend description.
9004 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9005 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9006 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9007 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9008 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9009 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9010 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9011 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9012 TARGET_DIVIDE_CALL_FP.
9014 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9016 * haifa-sched.c (choose_ready): Fix type of the local variable.
9017 Move local variables. Add comment.
9018 (check_reg_live): Change signature. Make callable from debugger.
9019 * sched-int.h (check_reg_live): Update signature.
9020 * sched-ebb.c (check_reg_live): Update parameters.
9021 * sched-rgn.c (check_reg_live): Ditto.
9022 (region_head_or_leaf_p): Check pointer before dereferencing.
9023 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9024 before reload on optimization levels below 1.
9026 2006-03-23 Richard Henderson <rth@redhat.com>
9028 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9032 * config/alpha/predicates.md (local_symbolic_operand): Reject
9035 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9038 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9039 expressions which have overflowed constants.
9041 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9043 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9045 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9047 * cfgloopmanip.c (create_loop_notes): Removed.
9048 * final.c (final_scan_insn): Do not handle loop notes.
9049 * jump.c (squeeze_notes): Ditto.
9050 * cfglayout.c (skip_insns_after_block,
9051 duplicate_insn_chain): Ditto.
9052 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9054 * cfgloop.h (create_loop_notes): Declaration removed.
9056 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9058 * varasm.c (output_constant_pool): Restore fnname and fndecl
9060 (assemble_start_function): Adjust call accordingly.
9061 (assemble_end_function): Likewise.
9063 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9066 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9069 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9071 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9074 * system.h (ICE_EXIT_CODE): New macro.
9075 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9076 (diagnostic_action_after_output): Likewise.
9077 * gcc.c (fatal_ice): New function.
9078 (execute): Use it instead of fatal.
9079 (fancy_abort): Likewise.
9080 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9082 2006-03-22 Jeff Law <law@redhat.com>
9084 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9085 iv_analyze_result returning false.
9087 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9089 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9091 2006-03-22 Richard Henderson <rth@redhat.com>
9094 * except.c (duplicate_eh_regions_0): New.
9095 (duplicate_eh_region_1): Duplicate the children of the node as
9096 well as the node itself. Link them up properly.
9097 (duplicate_eh_region_2): Merge into ...
9098 (duplicate_eh_regions): ... here. Take copy_region argument, and
9099 copy only a sub-tree if asked. Simplify copying and fixup.
9100 (eh_region_outer_p): New.
9101 * except.h (duplicate_eh_regions): Update decl.
9102 (eh_region_outer_p): Declare.
9103 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9104 (lower_omp_master): Likewise.
9105 (lower_omp_ordered): Likewise.
9106 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9107 (move_stmt_r): Use it to remap labels. Handle recursion vs
9108 remap_decls_p properly.
9109 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9110 (find_outermost_region_in_block): New.
9111 (new_label_mapper): New.
9112 (move_sese_region_to_fn): Copy eh information to the new function
9114 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9116 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9119 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9121 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9122 into shared libraries.
9124 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9126 * doc/md.texi: Refer to i386/constraints.md instead of
9128 * config/i386/constraints.md: New file, extracted from...
9129 * config/i386/predicates.md: ...here.
9130 * config/i386/i386.md: Include constraints.md.
9132 2006-03-21 Jason Merrill <jason@redhat.com>
9134 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9137 * expr.c (init_block_move_fn): Force default visibility.
9138 (init_block_clear_fn): Likewise.
9139 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9140 * targhooks.c (default_external_stack_protect_fail): Likewise.
9142 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9144 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9145 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9146 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9147 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9148 (loadgp): Use mips_current_loadgp_style.
9149 (loadgp_noshared): New pattern.
9150 (sibcall_internal): Use MIPS_CALL.
9151 (sibcall_value_internal): Likewise.
9152 (sibcall_value_multiple_internal): Likewise.
9153 (call_internal): Likewise.
9154 (call_value_internal): Likewise.
9155 (call_value_multiple_internal): Likewise.
9156 (call_split): Use MIPS_CALL and add an 'S' constraint.
9157 (call_value_split): Likewise.
9158 (call_value_multiple_split): Likewise.
9159 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9160 (-mshared): New option.
9161 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9162 (mips_current_loadgp_style): Declare.
9163 * config/mips/mips.c (mips_classify_symbol): Avoid using
9164 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9165 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9166 TARGET_ABSOLUTE_ABICALLS.
9167 (override_options): Adjust comments. Improve the warning that is
9168 issued when -mabicalls and -G are used together.
9169 (mips_file_start): Remove comment.
9170 (mips_current_loadgp_style): New function.
9171 (mips_gnu_local_gp): New variable.
9172 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9174 (mips_output_function_prologue): Use mips_current_laodgp_style.
9175 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9176 the cprestore instruction.
9177 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9178 live for TARGET_ABSOLUTE_ABICALLS.
9179 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9180 (ASM_SPEC): Pass down -mshared and -mno-shared.
9181 (MIPS_CALL): New macro.
9182 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9184 * doc/invoke.texi (-mabicalls): Update documentation.
9185 (-mshared): Document.
9187 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9189 * config/ia64/unwind-hpux.c: New file.
9190 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9192 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9195 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9197 2006-03-21 Jeff Law <law@redhat.com>
9199 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9200 type conversions of a VR_VARYING source to a wider type.
9202 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9204 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9205 tm_file on Solaris 10 and later.
9206 (sparc64-*-solaris2*): Likewise.
9207 (sparc-*-solaris2*): Likewise.
9208 * config/sol26.h: Rename to config/sol2-6.h.
9209 * config/sol2-10.h: New file.
9211 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9214 * tree-ssa-pre.c (create_component_ref_by_pieces):
9217 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9220 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9221 return it immediately.
9223 2006-03-21 Michael Matz <matz@suse.de>
9225 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9227 (remove_arc, add_arc): Update num_out_arcs member.
9228 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9230 (cache_presence): New function.
9231 (compare_states_for_equiv): New function.
9232 (state_is_differed): Don't take number of outargs, adjust callers.
9233 Use new invariant for speeding up.
9234 (init_equiv_class): Create initial classes based on sorted
9236 (partition_equiv_class): Don't track out_arcs_num.
9237 (evaluate_equiv_classes): Call cache_presence on all states and
9240 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9242 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9243 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9244 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9245 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9247 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9248 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9249 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9250 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9251 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9253 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9254 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9255 (REGNO_REG_CLASS): ARGP is in PREGS.
9256 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9258 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9259 to deal with those addresses.
9260 * addresses.h: New file.
9261 * caller-save.c: Include "addresses.h".
9262 (init_caller_save): Use new base_reg_class function.
9263 * rtl-factoring.c: Include "addresses.h".
9264 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9265 * recog.c: Include "addresses.h".
9266 (preprocess_constraints): Use new base_reg_class function.
9267 * regrename.c: Include "addresses.h".
9268 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9269 functions. Keep track of a new var INDEX_CODE to compute valid
9271 (replace_oldest_value_addr): Likewise.
9272 (replace_oldest_value_mem): Use base_reg_class.
9273 * reload.c: Include "addresses.h".
9274 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9275 (find_reloads): Use new base_reg_class function.
9276 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9277 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9278 all callers and prototype changed.
9279 * reload1.c: Include "addresses.h".
9280 (maybe_fix_stack_asms): Use base_reg_class.
9281 * regclass.c: Include "addresses.h".
9282 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9283 (init_reg_autoinc): Use new base_reg_class function.
9284 (record_reg_classes): Likewise.
9285 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9286 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9287 Use new args to compute necessary class.
9289 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9290 regrename.o, rtl-factoring.o): Update dependencies.
9291 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9292 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9293 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9294 REG_OK_FOR_INDEX_P): Delete documentation.
9296 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9298 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9299 from V7 to V9 for Solaris 7 and above.
9301 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9303 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9304 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9305 argument pointers may not alias any other storage.
9306 * common.opt: Define option -fargument-noalias-anything.
9307 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9308 alias semantics is specified by flag_argument_noalias > 2.
9310 2006-03-20 Jeff Law <law@redhat.com>
9312 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9313 (pass_phi_only_cprop): Declare.
9314 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9316 * tree-ssa-dom.c (degenerate_phi_result): New function.
9317 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9318 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9319 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9320 (eliminate_degenerate_phis): Likewise.
9321 (pass_phi_only_cprop): New pass descriptor.
9322 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9323 support code. Callers updated.
9324 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9325 (store_copy_prop): Likewise.
9326 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9328 2006-03-20 Jason Merrill <jason@redhat.com>
9331 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9332 (push_visibility, pop_visibility): Likewise.
9333 * c-pragma.h: Declare them.
9335 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9337 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9339 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9340 parameter and use get_ebb_head_tail.
9341 (sh_md_init_global): Adjust uses of find_regmode_weight.
9343 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9345 * function.h (struct function) <x_tail_recursion_reentry>:
9346 Rename to x_stack_check_probe_note.
9347 (tail_recursion_reentry): Rename to stack_check_probe_note.
9348 * function.c: Replace tail_recursion_reentry with
9349 stack_check_probe_note everywhere.
9350 (expand_function_start): Only emit a note for
9351 stack_check_probe_note with -fstack-protect.
9352 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9354 * emit-rtl.c (remove_unnecessary_notes): Remove.
9355 (pass_remove_unnecessary_notes): Remove.
9356 * rtl.h (remove_unnecessary_notes): Remove prototype.
9357 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9358 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9359 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9361 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9364 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9365 (valid_in_set): Handle ARRAY_REF.
9366 Change "if min_variant or VH" to asserts.
9367 (create_component_ref_by_pieces): Handle ARRAY_REF.
9368 (create_expression_by_pieces): Likewise.
9369 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9371 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9373 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9374 is operand of switch, not str[0].
9376 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9378 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9379 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9381 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9383 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9384 end of insn_extra_address_constraint declaration.
9386 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9388 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9389 (no-sum-in-toc): Same.
9390 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9392 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9393 NO_FP_IN_TOC for -fPIC instead of mask.
9395 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9396 (BOOT_LDFLAGS): Delete.
9398 * config/rs6000/t-aix52: Same.
9400 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9401 (stmsi[345678]_power): New.
9403 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9405 * config/ia64/ia64.opt: Add empty line to end of file.
9407 2006-03-17 Richard Guenther <rguenther@suse.de>
9410 * builtins.c (get_pointer_alignment): For component style references
9411 adjust alignment to the component type alignment. Make sure
9412 to adjust alignment for component access of constants.
9414 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9416 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9419 2006-03-17 Paul Brook <paul@codesourcery.com>
9421 * doc/install.texi: Docuemnt --with-mode.
9422 * config.gcc: Add --with-mode for arm*-*-*.
9423 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9425 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9427 * sh.c (max_labelno_before_reorg): New variable.
9428 (sh_reorg): Initialize it.
9429 (find_barrier): Check max_labelno_before_reorg before using
9430 label_to_alignment. Take length of explicit alignment insns
9431 into account. When seeing a UNSPECV_CONST_END, return it.
9433 * sh.c (fixup_mova): Set mode of affected label to QImode.
9434 (untangle_mova): New function.
9435 (find_barrier): Use it. Check mode of label before decrementing
9437 (sh_reorg): Likewise.
9438 Set mode of all insns back to VOIDmode.
9440 * sh.c (MOVA_LABELREF): New macro.
9441 (mova_p, fixup_mova, sh_reorg): Use it.
9442 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9443 ADDR_DIFF_VEC matches mova.
9445 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9447 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9448 with ATTRIBUTE_UNUSED.
9450 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9452 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9453 pointer, instead of assuming it is possible to derive the
9454 correct args size from a call insn.
9456 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9458 * rtl.h (CONST_INT_P): Define.
9459 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9460 instead of GET_CODE(x) == CONST_INT.
9461 (vax_rtx_costs): Likewise.
9462 (vax_output_int_move): Likewise.
9463 (vax_output_int_add): Likewise.
9464 (legitimate_constant_address_p): Likewise.
9465 (index_term_p): Likewise.
9466 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9467 * config/vax/vax.md (and<mode>3): Likewise.
9468 (ashrsi3): Likewise.
9470 (movstricthi): Likewise.
9471 (movstrictqi): Likewise.
9472 (rotrsi3): Likewise.
9473 (five unnamed insns): Likewise.
9475 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9477 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9478 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9479 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9480 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9481 Pass to ASM_OUTPUT_DWARF_OFFSET.
9482 * dwarf2out.c (debug_frame_section): New.
9483 (output_call_frame_info): Use debug_frame_section. Pass it to
9484 dw2_asm_output_offset.
9485 (output_die): Pass appropriate section to dw2_asm_output_offset.
9486 (output_compilation_unit_header): Likewise.
9487 (output_pubnames): Likewise.
9488 (output_aranges): Likewise.
9489 (enum dw_val_class): Break dw_val_class_lbl_offset into
9490 dw_val_class_lineptr and dw_val_class_macptr.
9491 (add_AT_lbl_offset): Delete.
9492 (add_AT_lineptr): New.
9493 (add_AT_macptr): New.
9494 (AT_lbl): Expect a lineptr or macptr.
9495 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9496 (attr_checksum): Likewise.
9497 (same_dw_val_p): Likewise.
9498 (size_of_die): Likewise.
9499 (value_format): Likewise.
9500 (output_die): Likewise.
9501 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9503 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9504 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9505 * config/darwin-protos.h (darwin_file_start): New.
9506 (darwin_asm_output_dwarf_offset): New.
9507 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9508 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9510 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9511 if not EH section; simplify.
9512 (darwin_file_start): New.
9513 (darwin_asm_output_dwarf_offset): New.
9514 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9516 (DEBUG_INFO_SECTION): Likewise.
9517 (DEBUG_ABBREV_SECTION): Likewise.
9518 (DEBUG_ARANGES_SECTION): Likewise.
9519 (DEBUG_MACINFO_SECTION): Likewise.
9520 (DEBUG_LINE_SECTION): Likewise.
9521 (DEBUG_LOC_SECTION): Likewise.
9522 (DEBUG_PUBNAMES_SECTION): Likewise.
9523 (DEBUG_STR_SECTION): Likewise.
9524 (DEBUG_RANGES_SECTION): Likewise.
9525 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9526 (ASM_OUTPUT_DWARF_OFFSET): New.
9528 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9530 * config.gcc (tm_defines): Always add to previous value rather
9533 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9535 * config/mips/predicates.md (splittable_const_int_operand): New,
9536 split from move_operand.
9537 (splittable_symbolic_operand): New.
9538 (move_operand): Add commentary. Use splittable_const_int_operand.
9539 Inline mips_atomic_symbolic_constant_p.
9540 * config/mips/mips.md: Add combine splitters for handling moves
9541 of splittable_const_int_operands and splittable_symbolic_operands.
9542 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9543 (mips_split_symbol): Declare.
9544 (mips_move_integer): Declare.
9545 * config/mips/mips.c (mips_split_p): Make global.
9546 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9547 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9548 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9549 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9550 (mips_offset_within_object_p): Handle block symbols.
9551 (mips_atomic_symbolic_constant_p): Delete.
9552 (mips_cannot_force_const_mem): Return false for constants that
9553 mips_legitimize_move can handle.
9554 (mips_use_blocks_for_constant_p): New function.
9555 (mips_split_symbol): Make global.
9556 (mips_move_integer): Likewise. Add a temporary register argument.
9557 (mips_legitimize_const_move): Use splittable_const_int_operand and
9558 splittable_symbolic_operand.
9559 (mips_use_anchors_for_symbol_p): New function.
9560 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9561 (mips_split_p): Declare.
9563 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9565 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9566 (mips*-*-linux*): Likewise.
9568 2006-03-16 Roger Sayle <roger@eyesopen.com>
9569 Daniel Speyer <dspeyer@wam.umd.edu>
9572 * tree-dump.c (dump_real): New function.
9573 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9574 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9575 (tree-dump.o): Add $(REAL_H) to the dependencies.
9577 2006-03-16 Roger Sayle <roger@eyesopen.com>
9580 * real.c (real_from_string): If the mantissa is zero, don't bother
9581 parsing the exponent as the result should always be zero.
9583 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9585 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9587 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9589 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9590 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9591 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9592 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9593 ia64_sched_finish_global): New static functions to implement
9594 hooks from gcc_target.sched.
9595 (spec_check_no, max_uid, pending_data_specs): New static variables.
9596 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9597 ia64_spec_check_src_p): New static functions.
9598 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9599 (TARGET_SCHED_ADJUST_COST): Removed.
9600 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9601 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9602 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9603 TARGET_SCHED_GEN_CHECK,
9604 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9605 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9606 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9607 Fixed to handle speculation checks.
9608 (rtx_needs_barrier): Fixed to handle speculative loads and
9610 (ia64_variable_issue): Added code to count speculative loads and their
9612 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9614 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9616 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9618 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9619 (ia64_reorg): Reset stops_p to NULL after it is freed.
9620 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9621 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9622 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9624 (data_speculative, control_speculative, check_load): New attributes.
9625 (mov<mode>_advanced, mov<mode>_speculative,
9626 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9627 zero_extend<mode>di2_speculative,
9628 zero_extend<mode>di2_speculative_advanced): New patterns for
9629 data and control speculative loads.
9630 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9632 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9633 New pattern for data and control speculation checks.
9634 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9635 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9636 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9637 Auxiliary definitions for the patterns.
9638 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9639 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9641 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9643 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9644 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9645 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9646 New resource constraints.
9647 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9649 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9650 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9651 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9652 msched-in-control-spec, msched-ldc, msched-control-ldc,
9653 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9654 msched-prefer-non-control-spec-insns,
9655 msched-count-spec-in-critical-path): New flags to tune speculative
9657 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9658 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9659 msched-in-control-spec, msched-ldc, msched-control-ldc,
9660 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9661 msched-prefer-non-control-spec-insns,
9662 msched-count-spec-in-critical-path): Document new flags.
9664 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9666 * target.h (struct spec_info_def): New opaque declaration.
9667 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9668 speculate_insn, needs_block_p, gen_check,
9669 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9670 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9671 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9672 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9673 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9674 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9676 (TARGET_SCHED): Use new macros.
9677 * rtl.h (copy_DEPS_LIST_list): New prototype.
9678 * sched-int.h (struct sched_info): Change signature of new_ready field,
9679 adjust all initializations. New fields: add_remove_insn,
9680 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9681 region_head_or_leaf_p.
9682 (struct spec_info_def): New structure declaration.
9683 (spec_info_t): New typedef.
9684 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9685 recovery_block, orig_pat.
9686 (glat_start, glat_end): New variables declaraions.
9687 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9689 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9690 DETACH_LIFE_INFO, USE_GLAT.
9691 (enum SPEC_SCHED_FLAGS): New enumeration.
9692 (NOTE_NOTE_BB_P): New macro.
9693 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9694 attach_life_info, debug_spec_status, check_reg_live): New functions.
9695 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9696 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9698 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9699 * ddg.c (get_block_head_tail): Adjust all uses.
9700 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9701 (sms_sched_info): Initialize new fields.
9702 (contributes_to_priority): Removed.
9703 * haifa-sched.c (params.h): New include.
9704 (get_block_head_tail): Adjust all uses.
9705 (ISSUE_POINTS): New macro.
9706 (glat_start, glat_end): New global variables.
9707 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9708 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9709 old_last_basic_block, before_recovery, current_sched_info_var,
9710 rgn_n_insns, luid): New static variables.
9711 (insn_cost1): New function. Move logic from insn_cost to here.
9712 (find_insn_reg_weight1): New function. Move logic from
9713 find_insn_reg_weight to here.
9714 (reemit_notes, move_insn, max_issue): Change signature.
9715 (move_insn1): Removed.
9716 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9717 extend_bb): New static functions to support extension of scheduler's
9719 (generate_recovery_code, process_insn_depend_be_in_spec,
9720 begin_speculative_block, add_to_speculative_block,
9721 init_before_recovery, create_recovery_block, create_check_block_twin,
9722 fix_recovery_deps): New static functions to support
9723 generation of recovery code.
9724 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9725 restore_bb_notes, move_block_after_check, move_succs): New static
9726 functions to support ebb scheduling.
9727 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9728 functions to support handling of register live information.
9729 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9730 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9731 add_jump_dependencies): New static functions.
9732 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9733 consistancy checking.
9734 (debug_spec_status): New function to call from debugger.
9735 (priority): Added code to handle speculation checks.
9736 (rank_for_schedule): Added code to distinguish speculative instructions.
9737 (schedule_insn): Added code to handle speculation checks.
9738 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9739 Fixed to handle ebbs.
9740 (move_insn): Added code to handle ebb scheduling.
9741 (max_issue): Added code to use ISSUE_POINTS of instructions.
9742 (choose_ready): Added code to choose between speculative and
9743 non-speculative instructions.
9744 (schedule_block): Added code to handle ebb scheduling and scheduling of
9745 speculative instructions.
9746 (sched_init): Initialize new variables.
9747 (sched_finish): Free new variables. Print statistics.
9748 (try_ready): Added code to handle speculative instructions.
9749 * lists.c (copy_DEPS_LIST_list): New function.
9750 * sched-deps.c (extend_dependency_caches): New function. Move logic
9751 from create_dependency_caches to here.
9752 (get_dep_weak, ds_merge): Make global.
9753 * genattr.c (main): Code to output prototype for
9754 dfa_clear_single_insn_cache.
9755 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9756 (output_dfa_clean_insn_cache_func): Code to output
9757 dfa_clear_single_insn_cache function.
9758 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9760 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9762 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9763 New static variables.
9764 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9765 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9767 (ebb_sched_info): Initialize new fields.
9768 (get_block_head_tail): Adjust all uses.
9769 (compute_jump_reg_dependencies): Fixed to use glat_start.
9770 (schedule_ebb): Code to remove unreachable last block.
9771 (schedule_ebbs): Added code to update register live information.
9772 * sched-rgn.c (region_sched_info): Initialize new fields.
9773 (get_block_head_tail): Adjust all uses.
9774 (last_was_jump): Removed. Adjust users.
9775 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9776 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9777 Implement new hooks.
9778 (check_dead_notes1): New static function.
9779 (struct region): New fields: dont_calc_deps, has_real_ebb.
9780 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9781 (BB_TO_BLOCK): Fixed to handle EBBs.
9782 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9783 (ebb_head): New static variable.
9784 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9785 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9787 (compute_dom_prob_ps): New assertion.
9788 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9789 global_live_at_start.
9790 (init_ready_list): New assertions.
9791 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9792 (new_ready): Add support for BEGIN_CONTROL speculation.
9793 (schedule_insns): Fixed code that updates register live information
9795 (schedule_region): Fixed to handle EBBs.
9796 (init_regions): Use extend_regions and check_dead_notes1.
9797 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9798 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9799 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9800 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9801 TARGET_SCHED_GEN_CHECK,
9802 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9803 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9804 * doc/invoke.texi (max-sched-insn-conflict-delay,
9805 sched-spec-prob-cutoff): Document.
9807 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9809 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9810 inter_tick, queue_index.
9811 (struct sched_info): Change signature of init_ready_list field.
9812 Adjust all initializations.
9813 (RESOLVED_DEPS): New access macro.
9814 (ready_add): Remove prototype.
9815 (try_ready): Add prototype.
9816 * sched-rgn.c (init_ready_list): Use try_ready.
9817 (schedule_region): Initialize
9818 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9819 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9820 (init_ready_list): Use try_ready.
9821 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9822 * lists.c (remove_list_elem): Remove `static'.
9823 (remove_free_INSN_LIST_elem): New function.
9824 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9825 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9826 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9828 (readyp): New variable.
9829 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9830 change_queue_index, resolve_dep): New static functions.
9831 (try_ready): New function. Adjust callers in sched-rgn.c and
9832 sched-ebb.c to use it instead of ready_add.
9833 (clock_var): Move at the begining of file.
9834 (rank_for_schedule): Fix typo.
9835 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9836 (ready_lastpos): Enforce assertion.
9837 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9839 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9840 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9841 (queue_to_ready): Use free_INSN_LIST_list.
9842 (early_queue_to_ready): Fix typo.
9843 (schedule_block): Init readyp. Move init_ready_list call after the
9844 initialization of clock_var. Fix error in rejecting insn by
9845 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9846 that previously corrected INSN_TICKs. Add code for handling
9848 (set_priorities): Fix typo.
9849 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9850 Clarify comment and code that keeps current_sched_info->next_tail
9853 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9855 * sched-rgn.c (extend_rgns): New static function.
9856 (find_rgns): Use it.
9857 (gather_region_statistics, print_region_statistics): New static
9859 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9860 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9862 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9863 Andrey Belevantsev <abel@ispras.ru>
9865 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9866 * lists.c (unused_deps_list): New variable.
9867 (free_list): Add assertions to verify the proper distinguishing
9868 between INSN_LISTs and DEPS_LISTs.
9869 (find_list_elem, remove_list_elem, remove_list_node): New static
9871 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9872 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9873 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9874 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9876 (free_INSN_LIST_node): Likewise.
9877 * modulo-sched.c (current_sched_info): Initialize flags field.
9878 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9879 * rtl.def (DEPS_LIST): Define.
9880 * rtl.h: Declare new functions from lists.c.
9881 * sched-deps.c (spec_dependency_cache): New static variable.
9882 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9883 (add_dependence): Change return type to void. Move the logic to ...
9884 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9885 (delete_all_dependences): Add comment about forward_dependency_cache.
9886 Handle spec_dependency_cache. Handle DEPS_LISTs.
9887 (fixup_sched_groups): Clarify the change of priority of output
9888 and anti dependencies.
9889 (sched_analyze_2): Adjust add_dependence calls to create data
9890 speculative dependence.
9891 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9892 Adjust all callers. Handle DEPS_LISTS.
9893 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9894 presence of speculation.
9895 (init_dependency_caches, free_dependency_caches):
9896 Handle spec_dependency_cache.
9897 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9898 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9899 New static functions.
9900 (add_or_update_back_dep, add_or_update_back_forw_dep,
9901 add_back_forw_dep, delete_back_forw_dep): New functions.
9902 * sched-int.h (ds_t, dw_t): New typedefs.
9903 (struct sched_info): Add new field flags.
9904 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9905 Prototype new sched-deps.c functions.
9906 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9907 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9908 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9909 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9910 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9911 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9913 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9915 * sched-rgn.c (current_sched_info): Initialize flags field.
9916 (schedule_insns): Initialize current_sched_info before the sched_init
9918 * sched-ebb.c (current_sched_info): Initialize flags field.
9919 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9920 Call add_or_update_back_dep instead of add_dependence.
9921 Create control speculative dependencies.
9922 (schedule_insns): Initialize current_sched_info before the sched_init
9925 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9927 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9929 (sh_fallback_frame_state): Likewise.
9931 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9933 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9934 Do switch on default_use_cxa_atexit.
9935 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9936 * config/darwin-crt3.o: New.
9937 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9938 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9939 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9941 * config/rs6000/t-darwin: Move crt2.o building to here.
9942 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9943 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9946 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9948 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9949 from '! xxx' to '!xxx' for coding-style conformance.
9950 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9951 (EXTRA_CONSTRAINT): Likewise.
9952 * config/vax/vax.md (four unnamed insns): Likewise.
9954 2006-03-15 Paul Brook <paul@codesourcery.com>
9956 * config/arm/arm.c (minipool_pad): New.
9957 (add_minipool_forward_ref): Include pool alignment padding in address
9959 (push_minipool_fix): Set minipool_pad.
9960 (minipool_pad): Ditto.
9962 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9964 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9965 instead of GET_CODE() == MEM and REG_P() instead of
9967 (print_operand_address): Likewise.
9968 (vax_address_cost): Likewise.
9969 (vax_rtx_costs): Likewise.
9970 (vax_notice_update_cc): Likewise.
9971 (vax_output_int_add): Likewise.
9972 (INDEX_REGISTER_P): Likewise.
9973 (BASE_REGISTER_P): Likewise.
9974 (nonindexed_address_p): Likewise.
9975 (vax_mode_dependent_address_p): Likewise.
9976 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9977 (PRINT_OPERAND): Likewise.
9978 * config/vax/vax.md (ashlsi3): Likewise.
9979 (ashlsi3): Likewise.
9980 (some more unnamed insns): Likewise.
9982 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9984 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9985 iterator-style macro.
9986 (mark_control_dependent_edges_necessary): Update the use of
9987 EXECUTE_IF_CONTROL_DEPENDENT.
9989 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9991 * config/sh/predicates.md (cache_address_operand): Special.
9992 (ua_address_operand): Likewise.
9994 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9996 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9998 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10000 2006-03-15 Andreas Schwab <schwab@suse.de>
10002 * gensupport.c (identify_predicable_attribute): Don't free p_false
10003 when it is still in use.
10005 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10007 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10008 the default setting here.
10010 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10012 * tree-pass.h (pass_cfg): Remove.
10013 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10014 * passes.c (pass_cfg): Don't run it.
10016 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10018 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10019 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10021 (stack_regs_mentioned): Update the uses of
10022 stack_regs_mentioned_data. Don't access the array beyond its
10024 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10025 Don't include gt-reg-stack.h.
10027 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10028 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10030 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10032 PR middle-end/26684
10033 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10036 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10038 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10040 2006-03-14 Richard Guenther <rguenther@suse.de>
10042 PR tree-optimization/26672
10043 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10046 2006-03-14 Richard Guenther <rguenther@suse.de>
10048 PR tree-optimization/26667
10049 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10050 node for the callees. Always allow inlining if it will shrink
10053 2006-03-14 Richard Guenther <rguenther@suse.de>
10055 PR middle-end/26659
10056 * builtins.c (get_pointer_alignment): Prefer alignment
10057 information from decls over that from types.
10059 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10062 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10064 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10066 * config/rs6000/rs6000.opt (mdlmzb): New option.
10067 (msched-prolog, msched-epilog): Use Var not Mask.
10068 * doc/invoke.texi (-mdlmzb): Document.
10069 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10071 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10072 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10074 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10076 PR rtl-optimization/25739
10077 * bt-load.c (augment_live_range): Free tos pointer.
10079 * gensupport.c (identify_predicable_attribute): Free
10081 * gcov.c (create_file_names): Free name pointer.
10083 2006-03-13 Roger Sayle <roger@eyesopen.com>
10085 PR middle-end/26557
10086 * stmt.c (emit_case_nodes): Handle the case where the index is a
10087 CONST_INT, where the comparison mode is specified by the index type.
10089 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10091 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10094 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10096 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10097 (*branch_fp_inverted): Likewise.
10099 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10101 PR middle-end/25989
10102 * omp-low.c (expand_omp_for_generic): Mark istart0
10103 and iend0 as addressable.
10105 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10107 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10109 2006-03-13 Jeff Law <law@redhat.com>
10111 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10112 virtual operands are interesting.
10113 (vrp_visit_stmt): Corresponding changes.
10115 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10117 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10119 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10120 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10121 * config/bfin/crti.S: Use it instead of __PIC__.
10122 * config/bfin/crtn.S: Likewise.
10124 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10125 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10127 Lose 'G' modifier for call operand.
10128 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10129 recognize 'G' modifier.
10131 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10133 PR middle-end/18859
10134 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10135 * stmt.c (expand_case): Likewise.
10137 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10139 PR rtl-optimization/26254
10140 * loop-invariant.c (seq_insns_valid_p): New function.
10141 (move_invariant_reg): Only emit new code if it is valid.
10143 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10145 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10147 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10148 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10149 (commit_one_edge_insertion): Do not look for loop notes.
10151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10153 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10154 flag_test_coverage out of loop.
10156 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10158 * final.c (shorten_branches): Remove outdated comment, and turn
10159 the if branch that guards it to continue.
10161 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10163 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10164 * cfgloop.h (struct loop): Remove unused fields.
10166 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10168 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10169 (-dL, -fdump-rtl-loop2): Update the dump file names
10171 * doc/invoke.texi: Update dump file names.
10173 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10175 * predict.c (estimate_probability): Remove.
10176 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10177 * basic-block.h (estimate_probability): Remove prototype.
10178 * passes.c (finish_optimization_passes): Dump branch prediction or
10179 profiling heuristics to the .profile tree dump.
10180 (init_optimization_passes): Unqueue pass_branch_prob.
10182 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10184 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10186 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10187 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10189 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10191 * function.h (frame_offset_overflow): Declare.
10192 * function.c (frame_offset_overflow): New function.
10193 (assign_stack_local_1): Call it to detect that the offset overflows.
10194 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10196 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10198 * config/sh/sh.c: Include alloc-pool.h.
10199 (label_ref_list_pool): New alloc pool.
10200 (label_ref_list_t): New type for lists of labels.
10201 (struct pool_node): Make wend a label_ref_list_t.
10202 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10204 (dump_table): Likewise.
10205 (sh_reorg): Set up the alloc pool before using add_constant and
10206 dump_table, and destroy it when finishing.
10208 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10210 * config/mips/mips.c: Remove redundant comment.
10212 2006-03-10 Jason Merrill <jason@redhat.com>
10215 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10216 the target was declared 'register'.
10218 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10220 * genpreds.c (write_insn_constraint_len): Change definition of
10221 insn_constraint_len to return size_t to match the declaration.
10223 2006-03-10 DJ Delorie <dj@redhat.com>
10225 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10227 (m32c_expand_insv): Fix test for an AND mask.
10229 2006-03-10 Richard Guenther <rguenther@suse.de>
10231 PR middle-end/26565
10232 * builtins.c (get_pointer_alignment): Handle component
10233 references for field alignment.
10235 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10237 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10238 when building with libgloss.
10239 (sh*elf): Implement --without-fp option.
10240 (sh64-superh-linux*): Don't multilib.
10242 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10244 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10246 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10248 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10249 Set it when one of the replacement functions returned true.
10250 Return TODO_cleanup_cfg if cfgchanged is true.
10251 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10253 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10255 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10256 instead of gen_lowpart.
10258 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10260 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10262 (mips_output_order_conditional_branch): Declare.
10263 * config/mips/mips.h (MIPS_BRANCH): New macro.
10264 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10265 for the comparison. Use gen_condjump.
10266 (mips_output_conditional_branch): Rework interface to take the
10267 asm templates for a direct branch and the inverse of a direct branch.
10268 (mips_output_order_conditional_branch): New function.
10269 (mips_builtin_branch_and_move): New function.
10270 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10271 branch condition. Use gen_single_cc as the condition for
10272 __builtin_mips_upper_* or __builtin_mips_lower_*.
10273 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10274 Use VOIDmode for the branch condition.
10275 * config/mips/predicates.md (order_operator): New predicate.
10276 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10277 (branch_fp): Rename to...
10278 (*branch_fp): ...this. Remove mode from comparison operator.
10279 Use new mips_output_conditional_branch interface.
10280 (branch_fp_inverted): Rename to...
10281 (*branch_fp_inverted): ...this and update as for *branch_fp.
10282 (*branch_zero<mode>): Rename to...
10283 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10284 Use mips_output_order_conditional_branch. Only accept ordered
10286 (*branch_zero<mode>_inverted): Rename to...
10287 (*branch_order<mode>_inverted): ...this and update as for
10288 *branch_order<mode>.
10289 (*branch_equality<mode>): Accept zero as the second operand to
10290 the equality operator. Use the new mips_output_conditional_branch
10292 (*branch_equality<mode>_inverted): Likewise.
10293 (condjump): New expander.
10294 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10296 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10297 (bc1any2t, bc1any2f): Likewise.
10298 (single_cc): New expander.
10299 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10301 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10303 * doc/md.texi: Update documentation of MIPS constraints.
10304 * config/mips/constraints.md: New file.
10305 * config/mips/mips.md: Include it.
10306 * config/mips/mips.c (mips_char_to_class): Delete.
10307 (override_options): Don't initialize mips_char_to_class.
10308 * config/mips/mips.h (mips_char_to_class): Delete.
10309 (REG_CLASS_FROM_LETTER): Delete.
10310 (CONST_OK_FOR_LETTER_P): Delete.
10311 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10312 (EXTRA_CONSTRAINT_Y): Delete.
10313 (EXTRA_CONSTRAINT_STR): Delete.
10314 (CONSTRAINT_LEN): Delete.
10315 (EXTRA_MEMORY_CONSTRAINT): Delete.
10317 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10319 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10320 original fn's eh regions.
10322 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10324 * fold-const.c (build_range_check): Make sure to use a valid type to
10325 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10328 (range_predecessor): New static function.
10329 (range_successor): Likewise.
10330 (merge_ranges): Use them to compute predecessors and successors of
10333 2006-03-09 Roger Sayle <roger@eyesopen.com>
10335 PR middle-end/26561
10336 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10337 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10339 2006-03-08 DJ Delorie <dj@redhat.com>
10341 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10342 (addpsi3): Expand to include memory operands. Remove
10343 reload-specific splits.
10344 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10345 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10346 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10347 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10348 (shift1_qi, shift1_hi, insv): New.
10349 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10350 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10351 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10353 * config/m32c/m32c-protos.h: Update as needed.
10354 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10355 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10356 Fail for unrecognized R* constraints.
10357 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10358 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10359 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10361 (m32c_init_libfuncs): New.
10362 (m32c_legitimate_address_p): Add debug wrapper.
10363 (m32c_rtx_costs): New.
10364 (m32c_address_cost): New.
10365 (conversions): Add 'B' prefix.
10366 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10367 operands, or word regnames for QI operands. 'B' prints bit
10369 (m32c_expand_setmemhi): New.
10370 (m32c_expand_movmemhi): New.
10371 (m32c_expand_movstr): New.
10372 (m32c_expand_cmpstr): New.
10373 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10374 (m32c_expand_neg_mulpsi3): Handle non-ints.
10375 (m32c_cmp_flg_0): New.
10376 (m32c_expand_movcc): New.
10377 (m32c_expand_insv): New.
10378 (m32c_scc_pattern): New.
10379 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10380 a0/a1 out of SIregs.
10381 (STORE_FLAG_VALUE): New.
10382 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10385 * config/m32c/mov.md: Make constraints more liberal.
10386 (zero_extendqihi2): Optimize r0/r1 case.
10387 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10388 * config/m32c/predicates.md (m32c_any_operand): New.
10389 (m32c_nonimmediate_operand): New.
10390 (m32c_hl_operand): New.
10391 (m32c_r3_operand): New.
10394 (memsym_operand): New.
10395 (memimmed_operand): New.
10396 (a_qi_operand): New.
10397 (m32c_eqne_operator): New.
10398 (m32c_1bit8_operand): New.
10399 (m32c_1bit16_operand): New.
10400 (m32c_1mask8_operand): New.
10401 (m32c_1mask16_operand): New.
10402 * config/m32c/blkmov.md: New file.
10403 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10405 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10407 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10408 unsigned to fix signed/unsigned comparison issue in
10409 DWARF2_FRAME_REG_OUT.
10410 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10411 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10413 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10414 of ptr into the ENABLE_CHECKING section.
10416 2006-03-08 Jeff Law <law@redhat.com>
10418 * tree-vrp.c (infer_value_range): Only count pointer uses
10419 and dereferences if -fdelete-null-pointer-checks is enabled.
10421 * tree-vrp.c (find_assert_locations): Infer value ranges for
10422 single use pointers, but do not create ASSERT_EXPRs for them.
10423 When a non-null range is inferred for a pointer, backwards
10424 propagate that range to other equivalent pointers through the
10427 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10430 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10431 language hook targets.
10432 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10433 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10434 if language hook targets were missing.
10436 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10438 * tree-ssa-opfinalize.h: Removed.
10439 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10441 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10442 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10443 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10444 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10445 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10446 finalize_ssa_v_must_def_ops): New.
10448 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10450 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10451 block as parameter.
10453 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10455 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10457 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10458 addresses with offsets; reorganize.
10460 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10461 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10462 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10464 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10467 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10469 2006-03-08 Ben Elliston <bje@au.ibm.com>
10471 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10473 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10476 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10479 2006-03-07 Richard Guenther <rguenther@suse.de>
10481 PR tree-optimization/26587
10482 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10484 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10486 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10488 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10490 * hooks.c (hook_bool_mode_rtx_true): New function.
10491 * hooks.h (hook_bool_mode_rtx_true): Declare.
10492 * toplev.c (compile_file): Call output_shared_constant_pool.
10493 * varasm.c (shared_constant_pool): New variable.
10494 (assemble_start_function, assemble_end_function): Remove arguments
10495 from call to output_constant_pool.
10496 (create_constant_pool): New function, split out from...
10497 (init_varasm_status): ...here.
10498 (force_const_mem): Choose between the shared and per-function constant
10499 pools. Set current_function_uses_const_pool when reusing old entries
10500 as well as when creating new ones.
10501 (mark_constant): Ignore data argument.
10502 (mark_constants): Remove pool argument.
10503 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10504 to decide whether the function uses a constant pool.
10505 (output_constant_pool_contents): New function, split out from...
10506 (output_constant_pool): ...here.
10507 (output_shared_constant_pool): New function.
10508 (init_varasm_once): Initialize shared_constant_pool.
10509 * output.h (output_constant_pool): Delete.
10510 (output_shared_constant_pool): Declare.
10511 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10512 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10514 2006-03-06 Nick Clifton <nickc@redhat.com>
10516 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10517 flag_strength_reduce.
10519 2006-03-06 Ben Elliston <bje@au.ibm.com>
10521 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10522 x86_64-*-linux* configurations.
10524 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10525 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10527 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10529 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10531 * basic-block.h: Remove the extern for
10532 rediscover_loops_after_threading.
10534 * cfgloop.c (cancel_loop): Make it static.
10535 * cfgloop.h: Remove the prototype for cancel_loop.
10537 * flow.c (recompute_reg_usage): Make it static.
10538 * rtl.h: Remove the prototype for recompute_reg_usage.
10540 * function.c (use_return_register): Make it static.
10541 * function.h: Remove the prototype.
10543 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10545 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10547 * recog.h: Remove the prototype for
10548 validate_change_maybe_volatile.
10550 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10552 * rtlanal.c (replace_reg): Remove.
10553 * rtl.h: Remove the prototype for replace_reg.
10555 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10557 * regclass.c (reg_scan_update): Remove.
10558 (reg_scan_mark_refs): Remove the last argument.
10559 * rtl.h: Remove the prototype for reg_scan_update.
10561 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10563 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10564 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10565 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10566 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10567 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10568 loop-invariant.c, omp-low.c, opts.c, passes.c,
10569 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10570 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10571 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10572 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10573 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10574 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10576 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10578 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10579 * dwarf2out.h: Remove the prototype for
10580 dwarf2out_add_library_unit_info.
10582 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10584 * tree.c (add_var_to_bind_expr): Remove.
10585 * tree.h: Remove the prototype for add_var_to_bind_expr.
10587 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10589 * regclass.c (n_non_fixed_regs): Remove.
10590 (init_reg_sets_1, globalize_reg): Remove all uses of
10592 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10594 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10596 * rtlanal.c (insns_safe_to_move_p): Remove.
10597 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10601 * expmed.c (expand_mult_add): Remove.
10602 * expr.h: Remove the prototype for expand_mult_add.
10604 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10606 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10607 and REG_SAVED_VAL_EXP constants.
10608 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10609 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10610 Handle regs stored by value.
10611 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10612 (execute_cfa_program): Handle DW_CFA_val_offset,
10613 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10614 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10615 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10616 (uw_install_context_1): Handle target regs stored by value.
10618 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10620 * tree-sra.c (tree_sra): Return todoflags;
10621 (generate_one_element): Set TODO_update_smt_usage if needed.
10622 (pass_sra): Remove TODO_update_smt_usage.
10623 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10625 (tree_ssa_forward_propagate_single_use_vars): Return
10626 TODO_update_smt_usage if we need to update SMT usage.
10627 (pass_forwprop): Remove TODO_update_smt_usage.
10629 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10631 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10632 (correct_use_link): Remove reference to get_stmt_operands.
10633 (update_stmt_operands): Likewise.
10634 (get_modify_expr_operands): New function factored out of
10635 parse_ssa_operands and get_expr_operands.
10636 Try to create V_MUST_DEFs for LHS by default.
10637 (get_expr_operands) <case MODIFY_EXPR>: Call
10638 get_modify_expr_operands.
10639 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10640 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10641 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10642 get_modify_expr_operands.
10644 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10646 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10647 * tree-flow.h: Remove the prototype for
10648 referenced_var_lookup_if_exists.
10650 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10652 PR rtl-optimization/26345
10654 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10656 2006-03-03 Roger Sayle <roger@eyesopen.com>
10658 PR tree-optimization/26524
10659 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10660 fold_convert to create a constant of the appropriate type.
10662 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10664 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10665 SYMBOL_REF_IN_BLOCK_P.
10666 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10667 of SYMBOL_FLAG_IN_BLOCK.
10668 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10669 instead of SYMBOL_REF_IN_BLOCK_P.
10670 * explow.c (use_anchored_address): Likewise.
10671 * rtl.c (rtx_size): Likewise.
10672 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10673 instead of SYMBOL_FLAG_IN_BLOCK.
10674 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10675 SYMBOL_REF_IN_BLOCK_P.
10676 (assemble_variable): Likewise.
10677 (output_constant_def_contents): Likewise.
10678 (output_constant_pool): Likewise.
10679 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10680 instead of SYMBOL_FLAG_IN_BLOCK.
10681 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10682 SYMBOL_REF_IN_BLOCK_P.
10683 (SYMBOL_REF_BLOCK): Likewise.
10684 (SYMBOL_REF_OFFSET): Likewise.
10685 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10686 SYMBOL_REF_IN_BLOCK_P.
10687 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10688 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10689 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10690 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10692 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10694 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10696 2006-03-02 Roger Sayle <roger@eyesopen.com>
10698 * simplify-rtx.c (simplify_unary_operation): When simplifying
10699 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10700 that we perform the right shift in the appropriate mode, and
10701 then extend or truncate the result to requested mode.
10703 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10705 * gengtype.c (main): Handle double_int type.
10706 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10707 * double-int.c: New file.
10708 * double-int.h: New file.
10709 * system.h: Include doubleint.h.
10710 * Makefile.in (SYSTEM_H): Include double-int.h.
10711 (double-int.o): Add.
10713 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10716 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10719 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10721 * tree-vrp.c (remove_range_assertions): Do not update statements
10724 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10726 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10728 * gcse.c (rest_of_handle_gcse): Ditto.
10729 * except.c (gate_handle_eh): Ditto.
10730 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10731 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10733 2006-03-02 Eric Christopher <echristo@apple.com>
10735 * config/i386/i386.c (machopic_output_stub): Add indirection to
10738 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10742 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10744 Sun Niagara specific optimizations.
10745 * config.gcc: Recognize niagara as target.
10746 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10747 (TARGET_CPU_niagara): Define.
10748 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10749 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10750 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10751 (ASM_CPU_SPEC): Likewise.
10752 (PROCESSOR_NIAGARA): New enum entry.
10753 (REGISTER_MOVE_COST): Handle Niagara.
10754 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10755 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10756 (sparc_override_options): Recognize "niagara", set appropriate
10757 default MASK_* values for it, and align functions to 32-bytes
10758 by default just like ULTRASPARC/ULTRASPARC3.
10759 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10760 (sparc64_initialize_trampoline): Likewise.
10761 (sparc_use_sched_lookahead): Use zero for niagara.
10762 (sparc_issue_rate): Use one for niagara.
10763 * config/sparc/niagara.md: New file.
10764 * config/sparc/sparc.md: Include it.
10765 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10766 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10767 when default cpu is niagara.
10768 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10769 (ASM_CPU_SPEC): Likewise.
10770 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10771 when default cpu is niagara.
10772 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10773 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10774 just like v9/ultrasparc/ultrasparc3.
10775 * doc/invoke.texi: Add documentation for "niagara" and improve
10776 existing documentation for ultrasparc variants.
10778 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10780 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10782 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10784 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10785 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10786 and say that only one is needed.
10787 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10788 * target.h (have_switchable_bss_sections): New hook.
10789 * explow.c (use_anchored_address): Check that the symbol is in a block.
10790 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10791 (bss_noswitch_section): New variables.
10792 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10793 (get_noswitch_section): New function.
10794 (get_block_for_section): Allow SECT to be null.
10795 (unlikely_text_section_p): Use SECTION_STYLE.
10796 (bss_initializer_p): New function.
10797 (get_variable_section): Move earlier in file. Take a new argument,
10798 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10799 Return one of the new *_sections in such cases.
10800 (get_block_for_decl): New function, extracting some logic from
10801 use_blocks_for_decl_p.
10802 (change_symbol_section): Remove in favor of...
10803 (change_symbol_block): ...this new function.
10804 (use_blocks_for_decl_p): Remove checks now performed by
10805 get_block_for_decl.
10806 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10807 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10808 (emit_local, emit_bss, emit_common): ...these new functions.
10809 Return true if the alignment was honored.
10810 (emit_tls_common): New function.
10811 (asm_emit_uninitialised): Delete.
10812 (assemble_variable_noswitch): New function, split out from...
10813 (assemble_variable): ...here. Don't make decisions about common
10814 variables here. Globalize all public decls that go into non-common
10815 sections. Check whether SYMBOL_REF_BLOCK is null.
10816 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10817 (output_constant_pool): Likewise.
10818 (init_varasm_once): Initialize the new section variables.
10819 (have_global_bss_p): New function.
10820 (categorize_decl_for_section): Use bss_initializer_p.
10821 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10822 (place_block_symbol): Assert that the symbol must be in a block.
10823 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10824 (TARGET_INITIALIZER): Include it.
10825 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10826 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10827 (SECTION_MACH_DEP): Bump by two.
10828 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10829 (unnamed_section): Mention SECTION_UNNAMED in comment.
10830 (named_section): Likewise SECTION_NAMED.
10831 (noswitch_section_callback): New type.
10832 (noswitch_section): New structure.
10833 (section): Add a noswitch_section alternative.
10834 (SECTION_STYLE): New macro.
10835 (tls_comm_section, comm_section, lcomm_section): Declare.
10836 (bss_noswitch_section, have_global_bss_p): Declare.
10837 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10838 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10840 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10841 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10844 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10846 * tree-vrp.c (execute_vrp): Return value.
10847 * regrename.c (rest_of_handle_regrename): Ditto.
10848 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10849 * tree-complex.c (tree_lower_complex): Ditto.
10850 (tree_lower_complex_O0): Ditto.
10851 * tracer.c (rest_of_handle_tracer): Ditto.
10852 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10853 * postreload.c (rest_of_handle_postreload): Ditto.
10854 * tree-tailcall.c (execute_tail_recursion): Ditto.
10855 (execute_tail_calls): Ditto.
10856 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10857 * tree.h (init_function_for_compilation): Ditto.
10858 * ipa-cp.c (ipcp_driver): Ditto.
10859 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10860 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10861 * final.c (compute_alignments): Ditto.
10862 (rest_of_handle_final): Ditto.
10863 (rest_of_handle_shorten_branches): Ditto.
10864 (rest_of_clean_state): Ditto.
10865 * omp-low.c (execute_expand_omp): Ditto.
10866 (execute_lower_omp): Ditto.
10867 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10868 * ipa-reference.c (static_execute): Ditto.
10869 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10870 * reorg.c (rest_of_handle_delay_slots): Ditto.
10871 (rest_of_handle_machine_reorg): Ditto.
10872 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10873 * flow.c (recompute_reg_usage): Ditto.
10874 (rest_of_handle_remove_death_notes): Ditto.
10875 (rest_of_handle_life): Ditto.
10876 (rest_of_handle_flow2): Ditto.
10877 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10878 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10879 (do_ssa_store_ccp): Ditto.
10880 (execute_fold_all_builtins): Ditto.
10881 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10882 * modulo-sched.c (rest_of_handle_sms): Ditto.
10883 * ipa-pure-const.c (static_execute): Ditto.
10884 * cse.c (rest_of_handle_cse): Ditto.
10885 (rest_of_handle_cse2): Ditto.
10886 * web.c (rest_of_handle_web): Ditto.
10887 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10888 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10889 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10890 * tree-nrv.c (tree_nrv): Ditto.
10891 (execute_return_slot_opt): Ditto.
10892 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10893 (create_structure_vars): Ditto.
10894 * loop-init.c (rtl_loop_init): Ditto.
10895 (rtl_loop_done): Ditto.
10896 (rtl_move_loop_invariants): Ditto.
10897 (rtl_unswitch): Ditto.
10898 (rtl_unroll_and_peel_loops): Ditto.
10899 (rtl_doloop): Ditto.
10900 * gimple-low.c (lower_function_body): Ditto.
10901 (mark_used_blocks): Ditto.
10902 * tree-ssa-sink.c (execute_sink_code): Ditto.
10903 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10904 (cgraph_early_inlining): Ditto.
10905 * global.c (rest_of_handle_global_alloc): Ditto.
10906 * jump.c (cleanup_barriers): Ditto.
10907 (purge_line_number_notes): Ditto.
10908 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10909 (rest_of_handle_if_after_reload): Ditto.
10910 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10911 (tree_ssa_loop_im): Ditto.
10912 (tree_ssa_loop_unswitch): Ditto.
10913 (tree_vectorize): Ditto.
10914 (tree_linear_transform): Ditto.
10915 (tree_ssa_loop_ivcanon): Ditto.
10916 (tree_ssa_empty_loop): Ditto.
10917 (tree_ssa_loop_bounds): Ditto.
10918 (tree_complete_unroll): Ditto.
10919 (tree_ssa_loop_prefetch): Ditto.
10920 (tree_ssa_loop_ivopts): Ditto.
10921 (tree_ssa_loop_done): Ditto.
10922 * predict.c (tree_estimate_probability): Ditto.
10923 * recog.c (split_all_insns_noflow): Ditto.
10924 (rest_of_handle_peephole2): Ditto.
10925 (rest_of_handle_split_all_insns): Ditto.
10926 * tree-eh.c (lower_eh_constructs): Ditto.
10927 * regmove.c (rest_of_handle_regmove): Ditto.
10928 (rest_of_handle_stack_adjustments): Ditto.
10929 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10930 * function.c (instantiate_virtual_regs): Ditto.
10931 (init_function_for_compilation): Ditto.
10932 (rest_of_handle_check_leaf_regs): Ditto.
10933 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10934 (rest_of_handle_gcse): Ditto.
10935 * ipa-type-escape.c (type_escape_execute): Ditto.
10936 * alias.c (rest_of_handle_cfg): Ditto.
10937 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10938 * profile.c (rest_of_handle_branch_prob): Ditto.
10939 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10940 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10941 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10942 * tree-dfa.c (find_referenced_vars): Ditto.
10943 * except.c (set_nothrow_function_flags): Ditto.
10944 (convert_to_eh_region_ranges): Ditto.
10945 (rest_of_handle_eh): Ditto.
10946 * emit-rtl.c (unshare_all_rtl): Ditto.
10947 (remove_unnecessary_notes): Ditto.
10948 * except.h (set_nothrow_function_flags): Ditto.
10949 (convert_to_eh_region_ranges): Ditto.
10950 * cfgexpand.c (tree_expand_cfg): Ditto.
10951 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10952 * tree-ssa-pre.c (do_pre): Ditto.
10953 (execute_fre): Ditto.
10954 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10955 (rest_of_handle_jump2): Ditto.
10956 * tree-sra.c (tree_sra): Ditto.
10957 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10958 (execute_mudflap_function_decls): Ditto.
10959 * tree-ssa-copy.c (do_copy_prop): Ditto.
10960 (do_store_copy_prop): Ditto.
10961 * ipa-prop.h (ipcp_driver): Ditto.
10962 * cfglayout.c (insn_locators_initialize): Ditto.
10963 * tree-ssa-forwprop.c
10964 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10965 * cfglayout.h (insn_locators_initialize): Ditto.
10966 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10967 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10968 (execute_late_warn_uninitialized): Ditto.
10969 * rtl.h (cleanup_barriers): Ditto.
10970 (split_all_insns_noflow): Ditto.
10971 (purge_line_number_notes): Ditto.
10972 (unshare_all_rtl): Ditto.
10973 (remove_unnecessary_notes): Ditto.
10974 (recompute_reg_usage): Ditto.
10975 (variable_tracking_main): Ditto.
10976 * integrate.c (emit_initial_value_sets): Ditto.
10977 * integrate.h (emit_initial_value_sets): Ditto.
10978 * tree-optimize.c (execute_free_datastructures): Ditto
10979 (execute_free_cfg_annotations): Ditto.
10980 (execute_fixup_cfg): Ditto.
10981 (execute_cleanup_cfg_pre_ipa): Ditto.
10982 (execute_cleanup_cfg_post_optimizing): Ditto.
10983 (execute_init_datastructures): Ditto.
10984 * tree-object-size.c (compute_object_sizes): Ditto.
10985 * combine.c (rest_of_handle_combine): Ditto.
10986 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10987 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10988 (rest_of_handle_reorder_blocks): Ditto.
10989 (rest_of_handle_partition_blocks): Ditto.
10990 * var-tracking.c (variable_tracking_main): Ditto.
10991 * tree-profile.c (tree_profiling): Ditto.
10992 * tree-vect-generic.c (expand_vector_operations): Ditto.
10993 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10994 * sched-rgn.c (rest_of_handle_sched): Ditto.
10995 (rest_of_handle_sched2): Ditto.
10996 * basic-block.h (free_bb_insn): Ditto.
10997 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10998 * tree-cfg.c (execute_build_cfg): Ditto.
10999 (remove_useless_stmts): Ditto.
11000 (split_critical_edges): Ditto.
11001 (execute_warn_function_return): Ditto.
11002 (execute_warn_function_noreturn): Ditto.
11003 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11004 * cfgrtl.c (free_bb_for_insn): Ditto.
11005 * passes.c (execute_one_pass): Run additional
11006 todos returned by execute function.
11007 * tree-pass.h (struct tree_opt_pass): Make execute
11010 2006-03-02 Richard Guenther <rguenther@suse.de>
11012 * tree-ssa-alias.c (find_used_portions): Consider taking
11013 the address as making the variable not write-only.
11015 2006-03-02 Nick Clifton <nickc@redhat.com>
11017 * config.gcc (default_use_cxa_atexit): Extend the description of
11018 this configure variable. Set its default value to "yes" for
11019 Linux, NetBSD and ELF targets on the assumption that they will
11020 use C libraries with the __cxa_atexit function.
11022 2006-03-02 Ben Elliston <bje@au.ibm.com>
11024 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11025 parameter as unused to suppress a build warning.
11027 2006-03-02 Ben Elliston <bje@au.ibm.com>
11029 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11032 2006-03-01 Roger Sayle <roger@eyesopen.com>
11035 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11036 declared name, the weak reference name, and the typeof name.
11037 (__gthrw): Avoid expanding the declared name suffix.
11038 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11040 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11042 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11044 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11045 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11046 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11047 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11048 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11049 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11050 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11051 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11052 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11053 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11054 (DW_END_default, DW_END_big, DW_END_little): New.
11055 (DW_END_lo_user, DW_END_hi_user): Define.
11056 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11057 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11058 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11061 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11063 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11065 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11067 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11069 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11071 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11072 to 'symbol_mem_tag'.
11074 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11077 2006-03-01 Roger Sayle <roger@eyesopen.com>
11079 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11081 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11084 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11085 MACHO_DYNAMIC_NO_PIC_P.
11086 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11088 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11091 * config/darwin-protos.h (darwin_asm_output_anchor):
11093 * config/darwin-sections.def (cstring_section):
11094 Add SECTION_MERGE to the flags.
11095 (literal4_section): Likewise.
11096 (literal8_section): Likewise.
11097 (objc_selector_refs_section): Likewise.
11098 (objc_cls_refs_section): Likewise.
11099 * config/darwin.c (darwin_asm_output_anchor): New
11101 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11103 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11105 Fix PR tree-optimization/26443
11106 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11107 to todo and PROP_tmt_usage to properties_destroyed.
11108 * tree-ssa-ccp.c (pass_ccp): Ditto.
11109 (pass_store_ccp): Ditto.
11110 * tree-ssa-dom.c (pass_dominator): Ditto.
11112 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11114 * tree-ssa-operands.c: Cleanup whitespace.
11115 (get_asm_expr_operands): Move before first invocation.
11116 (get_indirect_ref_operands): Likewise.
11117 (get_tmr_operands): Likewise.
11118 (get_call_expr_operands): Likewise.
11119 (append_def): Likewise.
11120 (append_use): Likewise.
11121 (append_v_may_def): Likewise.
11122 (append_v_must_def): Likewise.
11123 (add_call_clobber_ops): Likewise.
11124 (add_call_read_ops): Likewise.
11125 (add_stmt_operand): Likewise.
11126 (add_virtual_operand): Likewise.
11127 (build_ssa_operands): Likewise.
11129 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11131 PR middle-end/26022
11133 PR middle-end/24437
11134 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11135 with a call expr to ...
11136 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11138 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11140 * tree-vrp.c (extract_range_from_assert): Remove special
11141 handling for types with super-types.
11143 2006-03-01 Ben Elliston <bje@au.ibm.com>
11145 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11146 and powerpc64-*-linux* configurations.
11147 * config/t-dfprules: New file.
11149 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11150 Compile dfp-bit.c from the source directory using -DWIDTH and
11151 $DFP_CFLAGS to control the compilation of that file, rather than
11152 generating width-specific versions in the build directory.
11153 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11154 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11156 2006-02-28 Zack Weinberg <zackw@panix.com>
11158 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11161 2006-02-28 Eric Christopher <echristo@apple.com>
11163 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11164 Set up IN_LIBGCC definition of TARGET_64BIT.
11165 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11167 2006-02-28 Roger Sayle <roger@eyesopen.com>
11169 PR middle-end/14752
11170 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11171 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11172 cases via the construction of "expr != 0".
11174 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11176 * alias.c (alias_invariant, alias_invariant_size): Remove.
11177 (record_base_value): Remove.
11178 (memrefs_conflict_p): Don't look at alias_invariant.
11179 (end_alias_analysis): Don't free it.
11180 * alias.h (record_base_value): Remove prototype.
11182 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11183 Adam Nemet <anemet@caviumnetworks.com>
11185 * rtl.h (truncated_to_mode): Declare it.
11186 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11187 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11188 (RTL_HOOKS_INITIALIZER): Include it.
11189 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11190 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11191 reg_truncated_to_mode.
11192 * rtlanal.c (truncated_to_mode): Define it.
11193 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11195 2006-02-28 Jeff Law <law@redhat.com>
11197 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11198 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11199 the range allowed by TYPE_PRECISION.
11201 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11203 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11205 PR tree-optimization/26419
11206 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11209 2006-02-27 Zack Weinberg <zackw@panix.com>
11211 * doc/md.texi: Fix typo in previous change.
11213 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11217 2006-02-27 Zack Weinberg <zackw@panix.com>
11219 * rtl.def (define_constraint, define_register_constraint)
11220 (define_memory_constraint, define_address_constraint): New MD forms.
11221 * gensupport.c (process_rtx): Put define_constraint etc on the
11223 * genpreds.c (process_define_predicate): Adjust comment. Validate
11224 the name, and call validate_exp to validate the expression.
11225 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11226 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11227 all callers changed.
11228 (validate_exp, needs_variable, struct constraint_data)
11229 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11230 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11231 (const_dbl_constraints, constraint_max_namelen)
11232 (have_register_constraints, have_memory_constraints)
11233 (have_address_constraints, have_address_constraints)
11234 (have_extra_constraints, have_const_int_constraints)
11235 (have_const_dbl_constraints, mangle, add_constraint)
11236 (process_define_constraint, process_define_register_constraint)
11237 (write_enum_constraint_num, write_lookup_constraint)
11238 (write_insn_constraint_len, write_regclass_for_constraint)
11239 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11240 (write_insn_extra_memory_constraint)
11241 (write_insn_extra_address_constraint)
11242 (write_satisfies_constraint_fns): New.
11243 (write_tm_preds_h): If we have new-style constraint definitions,
11244 prototype the functions generated from them, and define the
11245 old constraint interface (still used by generic code) in terms of
11247 (write_insn_preds_c): If we have new-style constraint definitions,
11248 generate all relevant functions from those definitions.
11249 (main): Handle define_constraint etc.
11250 * genoutput.c (struct constraint_data, indep_constraints)
11251 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11252 (mdep_constraint_len): New data structures and functions, defined
11253 #ifdef USE_MD_CONSTRAINTS.
11254 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11255 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11256 use new logic to validate operand constraints against constraint
11258 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11260 * defaults.h: If none of the old-style constraint macros are
11261 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11262 old-style macros; and poison REG_CLASS_FROM_LETTER,
11263 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11265 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11266 * doc/md.texi: Document new constraint-definition mechanism and the
11267 C interface it provides. Remove references to old mechanism
11268 elsewhere in the document.
11269 (Machine Constraints): Use pathnames relative to gcc directory,
11270 i.e. config/ARCH/FILE. Change i386 section to refer to
11271 config/i386/predicates.md; update that section to match docstrings.
11272 * doc/tm.texi: Move all documentation of the old constraint-
11273 definition macros to their own section, clearly mark as obsolete.
11275 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11276 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11278 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11279 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11280 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11281 constraint strings.
11282 (splits and peepholes): Use satisfies_constraint_*.
11283 * config/i386/i386.c (memory_address_length)
11284 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11286 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11288 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11289 scalar operation to be put back into the loop.
11291 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11294 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11295 (extract_cie_info): Handle S flag in augmentation string.
11296 (execute_cfa_program): If context->signal_frame, execute also
11297 fs->pc == context->ra instructions.
11298 (uw_frame_state_for): If context->signal_frame, don't subtract one
11299 from context->ra to find FDE.
11300 (uw_update_context_1): Set context->signal_frame to
11302 (_Unwind_GetIPInfo): New function.
11303 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11304 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11306 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11307 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11308 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11309 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11310 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11311 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11312 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11313 x86_64_fallback_frame_state): Set fs->signal_frame.
11314 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11315 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11316 (frob_update_context): Likewise. Workaround missing S flag in
11317 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11318 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11319 Remove the psw_addr + 1 hack.
11321 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11323 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11324 with aggregates here.
11325 (find_func_aliases): Remove code for &<aggregate> from here.
11327 2006-02-26 Roger Sayle <roger@eyesopen.com>
11329 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11330 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11331 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11332 as (X & C) ne/eq 0.
11334 2006-02-26 Roger Sayle <roger@eyesopen.com>
11336 PR middle-end/19983
11337 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11339 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11341 * opts.c (decode_options): Do not handle flag_strength_reduce.
11342 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11343 and OPT_fstrength_reduce.
11344 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11345 flag_prefetch_loop_arrays for being nonzero.
11346 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11348 (fprefetch-loop-arrays-rtl): Removed.
11349 (flag_prefetch_loop_arrays): Do not specify the value.
11351 * doc/passes.texi: Update documentation of loop optimizer
11353 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11354 -frerun-loop-opt): Remove.
11356 2006-02-26 Richard Guenther <rguenther@suse.de>
11358 PR tree-optimization/26421
11359 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11360 in function calls that are ADDR_EXPRs as using the whole structure.
11362 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11364 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11365 * tree-pass.h (pass_loop_optimize): Remove.
11366 * passes.c (pass_loop_optimize): Never run it.
11367 * toplev.c (backend_init): Don't call init_loop.
11368 * opts.c (flag_loop_optimize_set): Remove.
11369 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11370 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11371 the old RTL loop optimizer when profiling enabled.
11372 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11373 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11374 pre-headers for the sake of the old RTL loop optimizer.
11375 * Makefile.in: Remove all references to loop.o.
11377 * doc/invoke.texi: Remove all references to -floop-optimize
11378 and -frerun-loop-opt.
11380 2006-02-26 Zack Weinberg <zackw@panix.com>
11382 * doc/md.texi (Machine Constraints): Refer to all files with paths
11383 relative to gcc directory (i.e. config/CPU/file). Add missing
11384 @table @code ... @end table to M32C subsection.
11386 2006-02-26 Roger Sayle <roger@eyesopen.com>
11388 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11390 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11392 2006-02-26 Roger Sayle <roger@eyesopen.com>
11393 James A. Morrison <phython@gcc.gnu.org>
11395 PR middle-end/21137
11396 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11397 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11398 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11399 signedness of the shift operation.
11401 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11403 PR tree-optimization/26359
11404 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11406 2006-02-25 Roger Sayle <roger@eyesopen.com>
11408 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11409 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11410 as X == 0, and some symmetry related transformations.
11411 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11413 2006-02-25 Roger Sayle <roger@eyesopen.com>
11415 PR middle-end/23673
11416 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11417 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11418 symmetry related transformations. Fold (X^C1) == C2 as
11421 2006-02-25 Juergen Weigert <jw@suse.de>
11422 Richard Guenther <rguenther@suse.de>
11424 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11426 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11428 * combine.c (gen_lowpart_or_truncate): Call
11429 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11431 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11433 * doc/invoke.texi: Move -fopenmp description to "Options for
11435 Remove reference to -lgomp.
11437 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11439 * doc/install.texi: Require GNU tar version 1.14.
11441 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11443 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11444 * doc/invoke.texi (C++ Dialect Options): Document
11445 -fno-use-cxa-get-exception-ptr.
11446 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11447 * configure: Regenerate.
11448 * c.opt (fuse-cxa-get-exception-ptr): New.
11449 * c-opts.c (c_common_handle_option): Handle
11450 OPT_fuse_cxa_get_exception_ptr.
11451 * c-common.c (flag_use_cxa_atexit): Update documentation.
11452 (flag_use_cxa_get_exception_ptr): New.
11453 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11454 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11456 (C_COMMON_OVERRIDE_OPTIONS): New.
11458 2006-02-24 Roger Sayle <roger@eyesopen.com>
11460 PR middle-end/24952
11461 * combine.c (try_combine): Explicitly check whether GET_CODE is
11462 a SET or a CLOBBER, instead on checking that it isn't a USE.
11464 2006-02-24 Roger Sayle <roger@eyesopen.com>
11466 * fold-const.c (fold_comparison): New subroutine of fold_binary
11467 containing transformations common to both the equality and
11468 ordering relational operators, factored out of fold_binary.
11469 (fold_binary): Separate out the equality operators (EQ_EXPR
11470 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11471 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11472 transformations common to both.
11473 (fold_div_compare): Fix latent bugs in the previously unreachable
11474 LT_EXPR and GE_EXPR cases.
11476 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11478 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11479 decl libname for clog to __clog on AIX.
11481 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11483 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11486 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11487 output traceback table for thunks. Localise rs6000_stack_info call.
11489 2006-02-23 Roger Sayle <roger@eyesopen.com>
11490 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11492 * gthr-posix.h (__gthrw): Fix typo in comment.
11494 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11496 * doc/cpp.texi (Character sets): Document that we do support
11497 input files to be in any character set.
11499 2006-02-23 Jeff Law <law@redhat.com>
11501 * tree.h (PHI_ARG_NONZERO): Remove.
11502 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11503 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11504 node to the new node.
11506 PR tree-optimization/26425
11507 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11508 min/max, then assume its varying.
11510 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11512 PR rtl-optimization/26316
11513 * rtlanal.c (enum may_trap_p_flags): New.
11514 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11515 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11516 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11517 (may_trap_after_code_motion_p): New function.
11518 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11519 (find_invariant_insn): Use may_trap_after_code_motion_p.
11520 * rtl.h (may_trap_after_code_motion_p): Declare.
11522 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11524 * emit-rtl.c (immed_double_const): Cleanup.
11526 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11528 Fix PR tree-optimization/26376
11529 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11532 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11534 PR middle-end/26412
11535 * gimplify.c (omp_add_variable): Guard variable size decl test with
11536 DECL_SIZE (decl) check.
11538 2006-02-23 Richard Guenther <rguenther@suse.de>
11540 PR middle-end/26439
11541 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11542 like aggregate types.
11544 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11546 * configure.ac: Add --with{,out}-long-double-128 configure option.
11547 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11548 * configure: Rebuilt.
11549 * config.in: Rebuilt.
11550 * doc/install.texi (Options specification): Document
11551 --with-long-double-128.
11553 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11554 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11555 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11556 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11558 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11560 * config/s390/s390.c (override_options): Handle
11561 TARGET_DEFAULT_LONG_DOUBLE_128.
11563 * config/alpha/alpha.c (override_options): Handle
11564 TARGET_DEFAULT_LONG_DOUBLE_128.
11566 * config/sparc/sparc.c (sparc_override_options): Handle
11567 TARGET_DEFAULT_LONG_DOUBLE_128.
11569 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11571 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11572 (real-install-headers-tar, real-install-headers-cpio)
11573 (real-install-headers-cp): New targets.
11575 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11577 * tree.h (variable_section): Delete.
11578 * varasm.c (variable_section): Delete.
11580 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11582 * install.texi: Add notes on install.texi2html.
11583 (Building in parallel): Do not use footnotes.
11585 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11588 * doc/install.texi (Configuration): Document --disable-libgomp.
11590 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11592 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11594 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11596 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11597 (vec_extractv2df_0_sse): New.
11599 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11601 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11602 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11603 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11604 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11605 to the result of the expression.
11606 (def_cfa_1): Adjust.
11607 (frame_pointer_cfa_offset): Rename to...
11608 (frame_pointer_fb_offset): ... this. Adjust all uses.
11609 (convert_cfa_to_loc_list): Rename to...
11610 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11611 Pass it on to build_cfa_loc.
11612 (compute_frame_pointer_to_cfa_displacement): Rename to...
11613 (compute_frame_pointer_to_fb_displacement): ... this. New
11614 offset parameter. Use it in computation.
11615 (gen_subprogram_die): Compute cfa_fb_offset with the new
11616 macro, and use it to compute the fb loc list and the
11619 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11621 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11622 replaced with register_operand.
11623 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11624 non-DREG is expensive.
11625 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11626 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11629 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11631 * doc/install.texi2html: Use set -e.
11633 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11635 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11636 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11637 * doc/invoke.texi (-fshared-data): Delete.
11638 * common.opt (fshared-data): Delete.
11639 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11640 (assemble_static_space): Remove #if 0 code.
11641 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11642 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11643 * config/cris/cris.h: Remove FIXME.
11645 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11647 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11650 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11652 PR middle-end/26379
11653 * combine.c (simplify_shift_const_1): Disable nested shifts
11654 optimization for vector shifts.
11656 2006-02-20 Roger Sayle <roger@eyesopen.com>
11658 PR tree-optimization/26361
11659 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11660 of unsigned integer types.
11662 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11664 * tree-chrec.c (eq_evolutions_p): New.
11665 * tree-chrec.h (eq_evolutions_p): Declared.
11666 * tree-data-ref.c: Fix formatting.
11667 (datadep_stats, dependence_stats): New.
11669 (print_direction_vector): New.
11670 (dump_data_dependence_relation): Use print_direction_vector.
11671 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11672 (compute_subscript_distance): Static.
11673 (initialize_data_dependence_relation): Static. Get the number
11674 of loops surrounding the references from the callers, and initialize
11675 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11676 base_object_differ_p analyzers.
11677 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11678 compute_overlap_steps_for_affine_1_2,
11679 analyze_subscript_affine_affine): Count the classified dependences.
11680 Print a message when a test failed.
11681 (can_use_analyze_subscript_affine_affine): New.
11682 (analyze_siv_subscript): Compute the data dependences on symbolic
11683 scevs that verify can_use_analyze_subscript_affine_affine.
11684 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11685 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11686 Handle symbolic scevs.
11687 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11689 (subscript_dependence_tester): Moved...
11690 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11691 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11692 DDR_SIZE_VECT instead of getting it in parameter.
11693 (subscript_dependence_tester): ... here. Take as a parameter
11694 loop_nest_depth. Call build_classic_dist_vector and
11695 build_classic_dir_vector.
11696 (compute_affine_dependence): Update subscript_dependence_tester
11697 parameters. Update datadep_stats counters. Call
11698 compute_subscript_distance.
11699 (compute_self_dependence): Save the dist and dir vectors. Call
11700 compute_subscript_distance.
11701 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11702 (compute_all_dependences): Reorder parameters as they were before
11703 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11704 compute_subscript_distance. Update the use of
11705 compute_affine_dependence and initialize_data_dependence_relation.
11706 (find_data_references_in_loop): Handle COMPONENT_REF.
11707 (compute_data_dependences_for_loop): Initialize dependence_stats.
11708 Don't call build_classic_dist_vector and build_classic_dir_vector.
11709 Update the parameters of initialize_data_dependence_relation and
11710 compute_all_dependences. Print the statistics from datadep_stats.
11711 (analyze_all_data_dependences): Static. Not used until the pass for
11712 checking the data dependences is contributed.
11713 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11714 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11715 (initialize_data_dependence_relation, compute_affine_dependence,
11716 analyze_all_data_dependences, compute_subscript_distance): Removed.
11717 (print_direction_vector): New.
11718 * lambda.h (gcd): ... here.
11719 (lambda_vector_gcd): Moved here from gcd_vector.
11720 * lambda-code.c (gcd, gcd_vector): Removed.
11721 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11722 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11724 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11726 * ipa-type-escape.c: Tidy some comments and white space.
11727 * tree-ssa-operands.c: Likewise.
11729 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11732 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11733 (dump_decl_name): Do not walk the decl tree chains.
11734 * tree-pass.h (TDF_CHAIN): Remove.
11736 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11738 * Makefile.in (C): Remove
11740 (.PHONY): Remove C and PROTO
11742 2006-02-20 Roger Sayle <roger@eyesopen.com>
11744 PR middle-end/26236
11745 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11746 deprecated CHAR_TYPE tree code.
11748 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11750 * configure.ac (target_list): Add install-info, dvi, html.
11751 * configure: Regenerate.
11753 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11754 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11755 treelang/Make-lang.in: Do not use double-colon rules.
11757 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11759 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11760 (TMT_USED_ALONE): New macro.
11761 * tree-pass.h (PROP_tmt_usage): New property.
11762 (TODO_update_tmt_usage): New todo.
11763 * tree-ssa-alias.c (updating_used_alone): New variable.
11764 (recalculate_used_alone): New function.
11765 (compute_may_aliases): Set updating_used_alone, call
11766 recalculate_used_alone.
11767 * tree-sra.c (pass_sra): Note that this pass destroys
11768 PROP_tmt_usage, and add TODO_update_tmt_usage.
11769 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11770 * tree-flow.h (updating_used_alone): Prototype.
11771 (recalculate_used_alone): Ditto.
11772 * passes.c (execute_todo): Add code to set updating_used_alone,
11773 and call recalculate.
11774 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11775 for clobber if used alone, and add assert to verify used_alone
11778 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11780 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11781 for non tls symbols added.
11782 (legitimize_address): Do nothing for PLUS expressions if one of the
11783 addends is a tls symbol reference.
11785 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11789 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11791 * Makefile.in (BOOTSTRAPPING): New.
11792 (quickstrap): New definition if BOOTSTRAPPING=yes.
11794 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11795 * configure.ac: Substitute all_selected_languages with the languages
11796 that were configured. For all the other variables except
11797 lang_specs_files, include all the languages in the tree.
11798 * configure: Regenerate.
11800 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11801 if there is one. Run the commands to run fixincludes in the same
11804 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11805 * doc/install.texi: Document exact conventions for searching target tools.
11806 Document --with-build-time-tools. Document toplevel bootstrap. Document
11807 something more about building an Ada cross-compiler. Don't list GNU Make
11808 requirements which affect all platforms.
11810 2006-02-19 Roger Sayle <roger@eyesopen.com>
11812 PR middle-end/19543
11813 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11814 only equivalent if the have both the same mode and precision.
11816 2006-02-20 Ben Elliston <bje@au.ibm.com>
11818 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11820 2006-02-19 Roger Sayle <roger@eyesopen.com>
11821 Steven Bosscher <stevenb.gcc@gmail.com>
11823 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11824 constant pool references to identify stack mode constants.
11825 * rtlanal.c (constant_pool_constant_p): New predicate to check
11826 whether operand is a floating point constant in the pool.
11827 * rtl.h (constant_pool_constant_p): Prototype here.
11828 * loop.c (scan_loop): Avoid hoisting constants from the constant
11829 pool on STACK_REGS targets.
11830 (load_mems): Likewise.
11831 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11832 loads into x87 registers expensive in terms of register pressure.
11834 2006-02-19 Roger Sayle <roger@eyesopen.com>
11836 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11837 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11839 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11841 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11842 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11844 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11846 * doc/invoke.texi: Document -fipa-pta.
11847 * common.opt: Add ipa-pta option.
11848 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11849 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11850 (do_ds_constraint): Ditto.
11851 (get_constraint_for): Only add to referenced_vars if
11852 referenced_vars exists.
11853 (insert_into_field_list): Rewrite to do this unsorted.
11854 (insert_into_field_list_sorted): Rename old insert_into_field_list
11856 (create_function_info_for): Use insert_into_field_list_sorted.
11857 (create_variable_info_for): Rewrite so it uses unsorted version,
11858 since the field list is sorted.
11859 (intra_create_variable_infos): Only add to referenced_vars if
11860 referenced_vars exists.
11861 (ipa_pta_execute): Init heapvars, and delete when done.
11862 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11864 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11866 * doc/install.texi: Add missing `@samp'.
11868 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11870 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11873 2006-02-18 Mark Wielaard <mark@klomp.org>
11875 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11876 who added new 4.1 features, bug fixes and integration support.
11878 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11881 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11882 MEM for ABI_V4 pic.
11884 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11886 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11887 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11888 (copy_insn_1): Likewise. Don't copy each field individually.
11890 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11892 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11893 * rtl.c (rtx_size): Rename variable to...
11894 (rtx_code_size): ...this.
11895 (rtx_size): New function.
11896 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11897 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11899 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11900 * rtl.h (rtx_code_size): New variable.
11901 (rtx_size): Change from a variable to a function.
11902 (RTX_SIZE): Rename to...
11903 (RTX_CODE_SIZE): ...this.
11906 PR tree-optimization/17106
11907 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11908 (Anchored Addresses): New section.
11909 * doc/invoke.texi (-fsection-anchors): Document.
11910 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11911 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11912 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11913 * hooks.c (hook_bool_mode_rtx_false): New function.
11914 * hooks.h (hook_bool_mode_rtx_false): Declare.
11915 * gengtype.c (create_optional_field): New function.
11916 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11917 SYMBOL_REF_IN_BLOCK_P is true.
11918 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11919 (min_anchor_offset, max_anchor_offset): Likewise.
11920 (use_anchors_for_symbol_p): New hook.
11921 * toplev.c (compile_file): Call output_object_blocks.
11922 (target_supports_section_anchors_p): New function.
11923 (process_options): Check that -fsection-anchors is only used on
11924 targets that support it and when -funit-at-a-time is in effect.
11925 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11926 if the decl doesn't have one.
11927 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11928 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11929 of force_const_mem through use_anchored_address.
11930 (expand_expr_constant): New function.
11931 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11932 calling expand_expr for INDIRECT_REF.
11933 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11934 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11935 * expr.h (use_anchored_address): Declare.
11936 * loop-unroll.c: Don't declare rtx vectors here.
11937 * explow.c: Include output.h.
11938 (validize_mem): Call use_anchored_address.
11939 (use_anchored_address): New function.
11940 * common.opt (-fsection-anchors): New switch.
11941 * varasm.c (object_block_htab, anchor_labelno): New variables.
11942 (hash_section, object_block_entry_eq, object_block_entry_hash)
11943 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11944 (use_blocks_for_decl_p, change_symbol_section): New functions.
11945 (get_variable_section): New function, split out from assemble_variable.
11946 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11947 use_blocks_for_decl_p say so. Use change_symbol_section if the
11948 symbol has already been created.
11949 (assemble_variable_contents): New function, split out from...
11950 (assemble_variable): ...here. Don't output any code for
11951 block symbols; just pass them to place_block_symbol.
11952 Use get_variable_section and assemble_variable_contents.
11953 (get_constant_alignment, get_constant_section, get_constant_size): New
11954 functions, split from output_constant_def_contents.
11955 (build_constant_desc): Create a block symbol if use_object_blocks_p
11956 says so. Or into SYMBOL_REF_FLAGS.
11957 (assemble_constant_contents): New function, split from...
11958 (output_constant_def_contents): ...here. Don't output any code
11959 for block symbols; just pass them to place_section_symbol.
11960 Use get_constant_section and get_constant_alignment.
11961 (force_const_mem): Create a block symbol if use_object_blocks_p and
11962 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11963 (output_constant_pool_1): Add an explicit alignment argument.
11964 Don't switch sections here.
11965 (output_constant_pool): Adjust call to output_constant_pool_1.
11966 Switch sections here instead. Don't output anything for block symbols;
11967 just pass them to place_block_symbol.
11968 (init_varasm_once): Initialize object_block_htab.
11969 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11970 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11971 (place_block_symbol, get_section_anchor, output_object_block)
11972 (output_object_block_htab, output_object_blocks): New functions.
11973 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11974 (TARGET_ASM_OUT): Include it.
11975 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11976 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11977 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11978 (TARGET_INITIALIZER): Include them.
11979 * rtl.c (rtl_check_failed_block_symbol): New function.
11980 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11981 (block_symbol, object_block): New structures.
11982 (rtx_def): Add a block_symbol field to the union.
11983 (BLOCK_SYMBOL_CHECK): New macro.
11984 (rtl_check_failed_block_symbol): Declare.
11985 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11986 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11987 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11988 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11989 * output.h (output_section_symbols): Declare.
11990 (object_block): Name structure.
11991 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11992 (default_use_anchors_for_symbol_p): Declare.
11993 * Makefile.in (RTL_BASE_H): Add vec.h.
11994 (explow.o): Depend on output.h.
11995 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11996 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11997 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11998 (rs6000_use_blocks_for_constant_p): New function.
12000 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12002 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12004 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12007 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12010 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12012 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12016 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12018 PR middle-end/26334
12019 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12020 instead of DECL_REGISTER.
12022 2006-02-18 Olivier Hainque <hainque@adacore.com>
12025 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12027 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12030 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12031 * opth-gen.awk: Handle Var and InverseMask together.
12032 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12033 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12034 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12035 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12037 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12038 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12039 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12040 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12041 LINUX_DYNAMIC_LINKER): Define.
12042 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12043 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12045 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12046 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12047 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12049 (TARGET_C99_FUNCTIONS): Don't define.
12050 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12051 GLIBC_DYNAMIC_LINKER.
12052 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12053 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12054 GLIBC_DYNAMIC_LINKER64): Define.
12055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12056 LINUX_DYNAMIC_LINKER64.
12057 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12059 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12061 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12063 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12064 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12065 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12067 and LINUX_DYNAMIC_LINKER32.
12068 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12070 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12072 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12074 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12075 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12076 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12077 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12078 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12079 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12080 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12081 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12082 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12083 LINUX_DYNAMIC_LINKER): Define.
12084 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12085 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12086 GLIBC_DYNAMIC_LINKER64): Define.
12087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12088 LINUX_DYNAMIC_LINKER64.
12089 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12090 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12091 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12092 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12093 LINUX_DYNAMIC_LINKER): Define.
12094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12095 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12096 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12097 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12098 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12099 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12100 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12101 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12102 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12103 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12105 * doc/invoke.texi (-muclibc): Remove caveat about supported
12108 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12110 * doc/cpp.texi (__TIMESTAMP__): Document.
12112 2006-02-17 Roger Sayle <roger@eyesopen.com>
12114 PR middle-end/25600
12115 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12116 C is one less than the width of X (and related transformations).
12117 * simplify-rtx.c (simplify_unary_operation_1): Transform
12118 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12119 depending on STORE_FLAG_VALUE, were C is one less then the
12122 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12124 Fix PR tree-optimization/26341
12125 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12126 about NAME_MEMORY_TAG's.
12128 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12131 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12132 with hardware float support, and software float support. Add fcpy
12133 alternative to hardware patterns. Add alternatives to copy between
12134 general and floating-point registers to the 32-bit pattern.
12135 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12136 secondary reload to load a QI or HI mode constant into a floating
12138 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12139 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12141 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12144 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12146 (load_macho_picbase_di): Likewise.
12148 2006-02-16 Jeff Law <law@redhat.com>
12150 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12151 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12152 (ssa_name_nonzero_p): Likewise.
12153 (get_value_range): Return NULL if VRP is not running.
12154 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12155 VRP routines do not discover a range.
12156 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12157 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12158 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12159 (tree_expr_nonnegative_p): Similarly.
12160 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12161 (restore_nonzero_vars_to_original_value): Remove.
12162 (unsafe_associative_fp_binop): Remove.
12163 (tree_ssa_dominator_optimize): Remove initialization and
12164 finalization of nonzero_vars and nonzero_vars_stack.
12165 (dom_opt_initialize_block): No longer push marker on
12166 nonzero_vars_stack.
12167 (dom_opt_finalize_block): No longer call
12168 restore_nonzero_vars_to_original_value.
12169 (record_equivalences_from_phis): No longer look for
12170 nonzero PHI arguments.
12171 (cprop_into_successor_phis): No longer propagate nonzero
12172 property into PHI arguments. Lose unused argument. Caller
12174 (record_equivalences_from_stmt): No longer record nonzero
12175 values for SSA_NAMEs.
12176 (lookup_avail_expr): No longer use nonzero_vars.
12178 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12179 for sizetype when sizetype is unsigned.
12181 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12183 PR rtl-optimization/25603
12184 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12185 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12186 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12187 with new meaning of SETS.
12189 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12194 * config/linux.opt: New file.
12195 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12196 LINUX_DYNAMIC_LINKER): Define.
12197 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12198 * config.gcc (*-*-linux*): Define extra_options.
12199 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12200 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12201 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12202 GLIBC_DYNAMIC_LINKER.
12203 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12204 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12205 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12206 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12207 * doc/invoke.texi (GNU/Linux Options): New section.
12209 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12211 * config/sparc/sparc.md (setjmp): Rewrite.
12212 (setjmp_32): Delete.
12213 (setjmp_64): Likewise.
12215 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12217 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12220 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12222 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12225 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12227 PR rtl-optimization/26296
12228 * Makefile.in (loop-invariant.c): Add except.h dependency.
12229 * loop-invariant.c: Include except.h.
12230 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12232 2005-02-16 Paul Brook <paul@codesourcery.com>
12234 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12237 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12239 PR rtl-optimization/25636
12240 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12241 when deciding whether an insn is an initializing insn.
12243 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12245 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12246 (tree_code_size): Ditto.
12247 * tree.h (struct tree_memory_tag): Remove parent_var.
12248 (struct tree_struct_field_tag): New.
12251 (union tree_node): Add sft member.
12252 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12254 (create_sft): Add size and offset argument, set SFT_OFFSET and
12256 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12257 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12258 * tree-flow-inline.h (get_subvar_at): Update for
12259 SFT_OFFSET/SFT_SIZE.
12260 (var_can_have_subvars): Ditto.
12261 (overlap_subvar): Ditto.
12262 * print-tree.c (print_node): Print out interesting things for
12264 * tree-flow.h (struct subvar): Remove offset and size members.
12265 * tree-ssa-operands.c (get_expr_operands): Update for
12266 get_indirect_ref_operands changes.
12267 (get_indirect_ref_operands): Call add_virtual_operand instead of
12268 add_stmt_operand. Only recurse on base var if requested.
12269 (access_can_touch_variable): New function.
12270 (add_stmt_operand): Split virtual operand handling into ...
12271 (add_virtual_operand): Here. Add offset, size, and for_clobber
12272 arguments. Prune alias sets.
12273 (add_call_clobber_ops): Call add_virtual_operand.
12275 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12277 PR middle-end/26300
12278 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12280 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12281 than TREE_CODE as index into omp_clause_num_ops array.
12283 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12285 PR rtl-optimization/26184
12286 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12288 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12289 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12290 must_precede, must_follow and tobe_scheduled.
12293 * opts.c (common_handle_option): Free new_option pointer.
12294 * df-core.c (df_analyze): Free postorder pointer.
12296 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12298 * Makefile.in: Fix the examples about the use of stamps
12300 2006-02-15 Michael Matz <matz@suse.de>
12302 PR middle-end/22275
12304 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12305 influenced by maximum_field_alignment or DECL_PACKED.
12306 (update_alignment_for_field): Ditto.
12307 (place_field): Ditto.
12308 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12311 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12313 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12314 (debug_flow_info): Pass it.
12315 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12316 * bb-reorder.c (reorder_basic_blocks): Likewise.
12317 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12318 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12319 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12320 * gcse.c (gcse_main, bypass_jumps): Likewise.
12321 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12322 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12323 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12324 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12325 * rtl.h (dump_flow_info): Adjust prototype.
12326 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12327 * var-tracking.c (variable_tracking_main): Likewise.
12328 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12329 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12332 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12334 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12337 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12339 PR tree-optimization/26209
12340 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12341 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12343 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12345 2006-02-14 Roger Sayle <roger@eyesopen.com>
12347 PR middle-end/23670
12348 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12349 (X,Y) and the corresponding symmetry related transformations.
12350 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12351 (X,Y) and its symmetry related transformations.
12353 2006-02-14 Roger Sayle <roger@eyesopen.com>
12355 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12358 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12360 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12362 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12365 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12366 support COMDAT group.
12367 * configure: Regenerate.
12369 2006-02-14 Roger Sayle <roger@eyesopen.com>
12371 PR middle-end/26279
12372 PR middle-end/26280
12373 PR middle-end/26283
12374 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12376 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12378 Fix PR tree-optimization/26260
12380 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12382 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12383 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12384 * tree-ssa-structalias.c (create_variable_info_for): Use
12385 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12387 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12389 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12391 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12392 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12393 of the ending condition.
12394 * tree-ssa-loop-manip.c: Include params.h.
12395 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12396 tree_unroll_loop): New functions.
12397 * tree-pass.h (pass_loop_prefetch): Declare.
12398 * loop.c (rest_of_handle_loop_optimize): Test for
12399 -fprefetch-loop-arrays-rtl.
12400 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12401 * timevar.def (TV_TREE_PREFETCH): New timevar.
12402 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12403 pass_loop_prefetch): New.
12404 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12405 (cleanup_tree_cfg_loop): Call scev_reset.
12406 * common.opt (fprefetch-loop-arrays-rtl): Add.
12407 * tree-ssa-loop-prefetch.c: New file.
12408 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12409 (new_temp_expr_table): Initialize expr_vars.
12410 (free_temp_expr_table): Cleanup expr_vars.
12411 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12412 expressions from being merged into one.
12413 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12414 (struct tree_niter_desc): Add control, bound and cmp fields.
12415 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12417 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12418 (tree-cfgcleanup.o): Add SCEV_H dependency.
12419 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12420 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12422 2006-02-14 Richard Guenther <rguenther@suse.de>
12424 PR tree-optimization/26258
12425 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12426 in PHI argument processing.
12428 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12430 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12431 new expression in the requested machine mode.
12433 2006-02-13 Roger Sayle <roger@eyesopen.com>
12435 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12436 directly, instead let do_compare_rtx_and_jump handle this for us.
12437 * expr.c (expand_expr_real_1): Likewise.
12438 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12439 before do_jump_by_parts_greater.
12440 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12441 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12443 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12445 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12447 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12449 PR rtl-optimization/26235
12450 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12451 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12454 2006-02-13 Jeff Law <law@redhat.com>
12456 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12459 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12461 PR middle-end/26092
12462 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12463 twice if decl is a builtin. When trying again, call get_callee_fndecl
12464 first to verify it is still a builtin.
12466 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12468 * dwarf2out.c (base_type_die): Don't add AT_name here.
12469 (subrange_type_die): Don't add AT_name here.
12470 (modified_type_die): Rearrange code flow. Do add AT_name here.
12472 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12474 PR rtl-optimization/26247
12475 PR rtl-optimization/26248
12476 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12478 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12480 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12481 * config/fixtfdi.c: Likewise.
12482 * config/fixunstfdi.c: Likewise.
12483 * config/floatditf.c: Likewise.
12485 2006-02-13 Roger Sayle <roger@eyesopen.com>
12487 PR middle-end/24427
12488 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12489 into (X,C2) if C1 is a subset of the bits of C2. Transform
12490 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12492 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12494 2006-02-13 Josh Conner <jconner@apple.com>
12497 * varasm.c (function_section): Check for section name before
12498 calling select_section on targets that define
12499 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12500 unlikely_text_section instead of hot_function_section if
12501 first_function_block_is_cold.
12503 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12505 PR middle-end/25335
12506 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12508 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12510 PR rtl-optimization/26222
12511 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12512 after tree->rtl expansion.
12513 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12514 before passing it to emit_move_insn.
12516 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12518 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12520 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12521 Clarify documentation.
12522 * c-common.h (warn_write_strings): Remove.
12523 * c-common.c (warn_write_strings): Likewise.
12524 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12527 2006-02-12 Roger Sayle <roger@eyesopen.com>
12529 PR middle-end/25724
12530 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12531 (do_jump_parts_zero_rtx): New function renamed from
12532 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12533 (do_jump_parts_equality_rtx): New function split out from
12534 do_jump_parts_equality. Old implementation renamed as above.
12535 Call do_jump_parts_zero_rtx if either operand is zero.
12536 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12537 do all of the heavy lifting.
12538 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12539 calling either do_jump_by_parts_greater_rtx or
12540 do_jump_by_parts_equality_rtx.
12541 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12542 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12543 moved to do_compare_rtx_and_jump, call it directly.
12544 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12545 mode argument. Call do_compare_rtx_and_jump.
12546 (emit_case_nodes): Update calls to do_jump_if_equal.
12548 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12550 PR rtl-optimization/26225
12551 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12553 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12555 PR rtl-optimization/26232
12556 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12558 2006-02-11 Jason Merrill <jason@redhat.com>
12561 * tree-inline.c (declare_return_variable): Just don't use the
12562 modify target if it's a gimple complex reg and the return slot
12565 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12567 * doc/contrib.texi: Update my entry.
12569 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12571 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12573 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12575 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12578 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12580 * doc/invoke.texi (-floop-optimize2): Removed.
12581 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12582 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12583 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12584 * common.opt (floop-optimize2): Removed.
12585 (fmove-loop-invariants): Enabled by default.
12587 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12589 * tree-if-conv.c (combine_blocks): Free the result of
12590 get_loop_exit_edges.
12592 2006-02-10 Jeff Law <law@redhat.com>
12594 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12596 PR tree-optimization/26213
12597 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12598 loop trying to follow SSA_NAME_VALUE chains.
12600 2006-02-10 Richard Guenther <rguenther@suse.de>
12602 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12603 deal with structures that end in implicitly variable sized arrays.
12605 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12607 PR rtl-optimization/24762
12608 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12611 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12613 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12614 (struct ivopts_data): Add regs_used field.
12615 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12616 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12617 instead of loop_data->regs_used;
12618 (free_loop_data): Do not free aux fields for loops.
12619 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12620 and tree_ssa_iv_optimize_finalize.
12622 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12624 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12626 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12629 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12630 computing the effective result type.
12632 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12634 PR inline-asm/16194
12635 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12636 (tree_overlaps_hard_reg_set): Declare.
12637 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12638 type and signature to match function type expected by walk_tree.
12639 (tree_overlaps_hard_reg_set): New function.
12640 (decl_conflicts_with_clobbers_p): Rename to:
12641 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12642 Use tree_overlaps_hard_reg_set. Changed caller.
12643 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12644 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12645 * cris.c (cris_md_asm_clobbers): Likewise.
12647 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12649 * reload1.c (emit_input_reload_insns): Delete code that tries to
12650 inherit using find_equiv_reg.
12652 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12654 * c-common.h (flag_const_strings): Don't declare.
12655 * c-common.c (flag_const_strings): Remove.
12656 * c.opt (fconst_strings): Remove.
12657 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12658 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12659 (c_common_init_options): Don't set flag_const_strings.
12660 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12662 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12664 * arm.md (tlobits_cbranch): New pattern.
12665 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12666 testing a single bit.
12668 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12671 * tree-ssa-pre.c (create_component_ref_by_pieces):
12672 Handle RETURN_DECL like VAR_DECL.
12674 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12676 PR middle-end/26134
12677 * fold-const.c (fold_indirect_ref_1): Fold
12678 "*(foo *)&complexfoo" to "__real__ complexfoo"
12679 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12681 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12683 * tree-flow-inline.h (var_can_have_subvars):
12684 Volatile variables should not have subvariables.
12686 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12689 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12690 multiplying unsigned values.
12693 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12695 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12697 2006-02-08 Jason Merrill <jason@redhat.com>
12700 * tree.def: Elaborate on difference from MODIFY_EXPR.
12701 * doc/c-tree.texi (INIT_EXPR): Likewise.
12702 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12703 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12704 (gimplify_target_expr): Likewise.
12705 (gimplify_cond_expr): Remove target handling.
12706 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12707 (gimplify_expr): Clobber it here.
12708 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12709 Do return slot optimization if we have an INIT_EXPR.
12712 * tree-inline.c (declare_return_variable): Also clear
12713 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12716 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12718 PR middle-end/22439
12719 * gimplify.c (gimplify_one_sizepos): Fix typo.
12721 2006-02-08 Jeff Law <law@redhat.com>
12723 PR tree-optimization/21417
12724 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12725 across a backedge if the control statement at the end of the
12726 block is data dependent on other statements in the same block.
12727 (record_temporary_equivalences_from_stmts): Remove over-conservative
12728 test for threading across backedges.
12730 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12731 control statement, handle all three special cases in the same
12732 manner as they all have the same desired solution. No longer
12733 special case edge flag updating when the post dominator is
12736 2006-02-08 Roger Sayle <roger@eyesopen.com>
12738 * tree.def (CHAR_TYPE): Remove.
12739 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12740 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12741 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12742 (gen_string_type_die): Delete unreachable function.
12744 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12745 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12746 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12747 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12748 * builtins.c (type_to_class): Likewise.
12749 * fold-const.c (fold_convert, build_range_check,
12750 merge_ranges): Likewise.
12751 * expr.c (count_type_elements): Likewise.
12752 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12753 * stor-layout.c (layout_type): Likewise.
12754 * ipa-type-escape.c (type_to_consider): Likewise.
12755 * gimplify.c (omp_firstprivatize_type_sizes,
12756 gimplify_type_sizes): Likewise.
12757 * explow.c (promote_mode): Likewise.
12758 * tree-sra.c (is_sra_scalar_type): Likewise.
12759 * varasm.c (output_constant): Likewise.
12760 * tree-inline.c (remap_type_1): Likewise.
12761 * convert.c (convert_to_pointer, convert_to_real,
12762 convert_to_integer, convert_to_complex): Likewise.
12764 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12766 * df-scan.c (df_def_record_1): A set destination may
12767 be a parallel regardless of mode.
12769 2006-02-08 Roger Sayle <roger@eyesopen.com>
12772 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12773 * config/mips/_tilib.c: Remove.
12774 * config/fixtfdi.c: New libgcc source file.
12775 * config/fixunstfdi.c: New source file.
12776 * config/floatditf.c: New source file.
12777 * config/floatunditf.c: New souce file.
12778 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12779 files above instead of config/mips/_tilib.c.
12780 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12782 2006-02-08 Jeff Law <law@redhat.com>
12784 PR tree-optimization/26169
12785 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12788 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12790 * df.h (DF_REG_SIZE): Return the length of the initialized
12793 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12795 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12796 __muldf3): Return a correctly signed zero.
12798 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12800 * passes.c (register_one_dump_file): Accept the current properties
12801 instead of pass number. Adjust call to dump_register. Remove
12803 (register_dump_files): Now a wrapper around...
12804 (register_dump_files_1): ... this one. Do not modify the pass
12806 (next_pass_1): Cosmetic fix.
12807 (execute_todo): Keep second parameter only. Use curr_properties
12808 instead of fetching it from the pass structure. Check and set
12810 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12811 instead of fetching it from the pass structure. Fix calls to
12812 execute_todo. Update curr_properties and initialize .vcg RTL dump
12813 after running the pass. Reset last_verified.
12814 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12816 (FIRST_AUTO_NUMBERED_DUMP): New.
12817 (dump_register): Remove "num" parameter, assign it within the
12819 (get_dump_file_name): Modify template for dumps.
12820 * tree-dump.h (dump_register): Adjust prototype.
12821 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12822 (PROP_trees): Add PROP_gimple_lomp.
12823 (TODO_set_props): New.
12824 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12825 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12826 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12828 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12830 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12831 (sparc64-*-linux*): Likewise.
12832 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12833 * config/sparc/t-linux: New file.
12834 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12835 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12836 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12837 -m32 -mlong-double-128.
12839 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12840 * config/alpha/t-linux: New file.
12841 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12843 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12844 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12845 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12846 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12847 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12848 (CPP_ARCH32_SPEC): Remove.
12850 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12852 PR tree-optimization/26145
12853 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12856 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12859 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12860 >= 240000 when generating code for SOM runtime.
12861 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12862 to $$dyncall when generating code for SOM runtime..
12864 2006-02-07 Dirk Mueller <dmueller@suse.com>
12867 * doc/invoke.texi (-Wsequence-point): Update documentation
12868 that -Wsequence-point is implemented for C++ as well.
12870 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12872 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12873 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12874 (LIB_SPEC): Likewise.
12875 * doc/invoke.texi (SPARC options): Document -pthread.
12877 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12879 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12882 2006-02-07 Roger Sayle <roger@eyesopen.com>
12884 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12885 Correct comment describing BOOLEAN_TYPE.
12887 2006-02-07 Dirk Mueller <dmueller@suse.com>
12889 * c.opt: C++ frontend supports -Wdiv-by-zero.
12890 * c-opts.c (c_common_handle_option): Remove dead case.
12892 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12894 * configure.ac (TLS assembler check): Do not enable TLS by
12895 default on SPARC/Solaris before version 10.
12896 * configure: Regenerate.
12898 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12900 * doc/invoke.texi (xl-compat): Document conversion and support
12903 2006-02-07 Jeff Law <law@redhat.com>
12905 * tree-vrp.c (find_conditional_asserts): Update comments.
12906 (simplify_stmt_for_jump_threading): New.
12907 (identify_jump_threads, finalize_jump_threads): New.
12908 (vrp_finalize): Call identify_jump_threads.
12909 (execute_vrp): Call finalize_jump_threads.
12910 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12911 (vrp_element, vrp_data, vrp_element_p): Remove.
12912 (vrp_hash_elt, vrp_variables_stack): Remove.
12913 (vrp_hash, vrp_eq, record_range): Remove.
12914 (simplify_cond_and_lookup_avail_expr): Remove.
12915 (extract_range_from_cond): Remove.
12916 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12917 (simplify_stmt_for_jump_threading): New.
12918 (dom_thread_across_edge): New wrapper.
12919 (tree_ssa_dominator_optimize): No longer initialize or
12920 finalize any of the VRP datastructures. Remove iteration
12921 step and simplify as a result of removal of iteration step.
12922 (pass_dominator): Perform a cfg cleanup after DOM.
12923 (dom_opt_finalize_block): Use the new common routines
12924 for threading jumps. Simplify stack management slightly.
12925 No longer need to unwind VRP state.
12926 (record_equivalences_from_incoming_edge): No longer record
12928 (eliminate_redundant_computations): No longer call
12929 simplify_cond_and_lookup_avail_expr.
12930 * tree-flow.h (potentially_threadable_block): Prototype.
12931 (thread_across_edge): Likewise.
12932 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12933 (tree-ssa-threadedge.o): Add dependencies.
12934 * tree-ssa-threadedge.c: New file.
12935 * passes.c (init_optimization_passes): Merge PHIs before
12936 calling VRP. Run VRP again late in the SSA optimization pipeline.
12938 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12940 * df-core.c (df_set_blocks): Do not dereference function pointers.
12941 (df_finish1): Likewise.
12942 (df_hybrid_search_forward): Likewise.
12943 (df_hybrid_search_backward): Likewise.
12944 (df_iterative_dataflow): Likewise.
12945 (df_analyze_problem): Likewise.
12946 (df_compact_blocks): Likewise.
12947 (df_dump): Likewise.
12948 * df-scan.c (df_rescan_blocks): Likewise.
12949 (df_record_entry_block_defs): Likewise.
12951 * genconditions.c (write_conditions): Guard the definition of
12952 'insn_conditions' with the check on GCC version.
12953 (write_writer): Guard the traversal 'insn_conditions' with
12954 the check on GCC version.
12956 2006-02-07 Richard Guenther <rguenther@suse.de>
12960 2006-01-30 Richard Guenther <rguenther@suse.de>
12962 * gimplify.c (gimplify_target_expr): Handle easy cases
12963 without creating a temporary.
12965 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12967 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12968 use of float in probability computations. Use edge probabilities
12969 in place of statically computed probabilities.
12970 (min_spec_prob): New static variable.
12971 (schedule_insns): Initialize it.
12972 (GET_SRC_PROB): Removed.
12973 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12975 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12978 * config/ia64/unwind-ia64.c: Revert last change.
12979 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12980 (INCOMING_FRAME_SP_OFFSET): Define.
12982 2006-02-06 Roger Sayle <roger@eyesopen.com>
12984 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12986 2006-02-07 Ben Elliston <bje@au.ibm.com>
12988 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12989 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12990 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12991 (ix86_return_in_memory): Handle TDmode.
12992 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12993 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12995 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12997 * reorg.c (dbr_schedule): Use dump_file instead of file.
12999 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13002 * config/ia64/predicates.md (extr_len_operand): New predicate.
13003 * config/ia64/ia64.md (extv): Tighten constraints.
13005 (*tbit_and_2): Ditto.
13006 (*tbit_and_3): Ditto.
13007 (*tbit_or_2): Ditto.
13008 (*tbit_or_3): Ditto.
13009 (*bit_zero): Ditto.
13012 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13015 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13017 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13019 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13020 loop_optimizer_init and loop_optimizer_finalize
13021 * tree-ssa-sink.c (execute_sink_code): Ditto.
13022 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13023 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13024 tree_ssa_loop_done): Ditto.
13025 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13026 * sched-ebb.c: Include output.h.
13027 (schedule_ebbs): Do not use dump argument.
13028 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13029 * loop.c (loop_dump_stream): Removed.
13030 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13032 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13033 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13034 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13035 loop_iterations, strength_reduce, record_biv, record_giv,
13036 final_giv_value, check_final_value, check_ext_dependent_givs,
13037 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13038 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13039 dump_file instead of loop_dump_stream.
13040 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13041 argument dump_file.
13042 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13044 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13045 * haifa-sched.c: Include output.h
13046 (schedule_insns, sched_init): Do not use dump argument.
13047 * mode-switching.c (optimize_mode_switching): Ditto.
13048 * modulo-sched.c (stats_file): Removed.
13049 (print_node_sched_params): Do not call argument dump_file.
13050 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13051 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13053 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13055 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13056 rtl_loop_init, rtl_loop_done): Ditto.
13057 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13058 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13060 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13061 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13062 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13063 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13064 * emit-rtl.c (renumber_insns): Ditto.
13065 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13066 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13067 * regclass.c (regclass): Ditto.
13068 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13069 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13070 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13071 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13073 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13074 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13076 * gcse.c (gcse_file, debug_stderr): Removed.
13077 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13078 rest_of_handle_gcse): Do not use dump argument.
13079 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13080 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13081 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13082 compute_code_hoist_vbeinout, compute_code_hoist_data,
13083 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13084 compute_store_table, build_store_vectors, insert_insn_start_bb,
13085 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13086 store_motion): Use dump_file instead of gcse_file.
13087 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13088 * profile.c (profile_dump_file): Removed.
13089 (branch_prob): Use dump_file instead of profile_dump_file.
13090 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13092 * tree-ssa-copy.c (dump_copy_of): Ditto.
13093 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13094 dump file to life_analysis.
13095 * bt-load.c (branch_target_load_optimize): Ditto.
13096 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13098 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13099 regclass, dbr_schedule): Declaration changed.
13100 * sched-int.h (sched_init): Declaration changed.
13101 * tree-profile.c (tree_profile_dump_file): Removed.
13102 (tree_profile_hooks): Removed profile_dump_file hook.
13103 * rtl-profile (rtl_profile_dump_file): Removed.
13104 (rtl_profile_hooks): emoved profile_dump_file hook.
13105 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13107 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13108 * tree-cfg.c (build_tree_cfg): Ditto.
13109 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13110 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13111 Declaration changed.
13112 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13113 life_analysis and schedule_insns.
13114 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13116 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13118 * config/mips/mips.c (mips_reorg): Ditto.
13119 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13122 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13124 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13125 (s390_mangle_fundamental_type): New.
13126 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13129 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13130 (alpha_mangle_fundamental_type): New.
13131 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13134 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13136 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13138 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13139 (sparc_mangle_fundamental_type): New.
13141 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13143 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13144 (s390x-*-linux*): Likewise.
13145 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13146 * config/s390/t-linux: New file.
13148 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13150 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13151 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13153 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13155 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13156 (ANTIC_SAFE_LOADS): New macro.
13157 (find_or_generate_expression): Add prototype.
13158 (set_contains_value): Allow null set for sake of not always having
13159 to allocate ANTIC_SAFE_LOADS.
13160 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13161 Allow COMPONENT_REF too.
13162 (valid_in_set): Allow COMPONENT_REF.
13163 Check ANTIC_SAFE_LOADS too.
13164 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13165 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13167 (can_PRE_operation): Add COMPONENT_REF.
13168 (create_component_ref_by_pieces): New function.
13169 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13170 (insert_aux): Move AGGREGATE_TYPE_P check here.
13171 (compute_avail): Set bb local stmt uids.
13172 (pass_pre): Use TODO_update_ssa_only_virtuals.
13174 2006-02-06 Ben Elliston <bje@au.ibm.com>
13176 * configure.ac: Unconditionally disable decimal float by default.
13177 * configure: Regenerate.
13179 2006-02-06 Ben Elliston <bje@au.ibm.com>
13181 * read-rtl.c (read_name): Terminate reading on EOF.
13183 2006-02-06 Ben Elliston <bje@au.ibm.com>
13185 * dfp.c (decimal_real_arithmetic): Change second argument type
13186 from int to enum tree_code. Do not always return true, but now
13187 return result of any call to decimal_do helper functions.
13188 * dfp.h (decimal_real_arithmetic): Update prototype.
13190 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13192 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13194 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13197 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13200 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13202 * tree-vrp.c (cfg_loops): Removed.
13203 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13204 Use current_loops instead of cfg_loops. Pass flags to
13205 loop_optimizer_init.
13206 * cfgloopmanip.c (fix_loop_structure): Update only available
13208 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13209 loop_optimizer_init.
13210 * modulo-sched.c (build_loops_structure): Removed.
13211 (sms_schedule): Use loop_optimizer_init.
13212 * loop-init.c (loop_optimizer_init): Use flags to determine
13213 which properties of loops to prepare.
13214 (rtl_loop_init): Pass flags to loop_optimizer_init.
13215 * tree-ssa-sink.c (execute_sink_code): Ditto.
13216 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13217 * tree-ssa-pre.c (init_pre): Ditto.
13218 * cfgloop.h (LOOPS_NORMAL): New.
13219 (loop_optimizer_init): Declaration changed.
13221 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13223 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13224 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13226 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13228 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13230 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13231 * pa/t-pa64: Delete quadlib.c rule.
13232 * pa/x-ada: Revert last change.
13233 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13235 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13237 PR rtl-optimization/26087
13238 * rtlanal.c (canonicalize_condition): Do not cross basic block
13241 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13244 * config/ia64/ia64.c: Include debug.h.
13245 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13246 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13247 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13248 (process_epilogue, process_set, process_for_unwind_directive):
13249 Output unwind info only if requested. Add CFA info if requested.
13250 Add new arguments as needed. Adjust callers.
13251 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13253 (DWARF2_FRAME_INFO): Define to zero.
13254 * config/ia64/unwind-ia64.c: Remove code that compensated for
13255 the CFA offset error fixed above.
13256 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13257 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13258 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13259 -funwind-tables and -fexceptions to enable frame info.
13260 (dwarf2out_frame_init): Define initial CFA even if
13261 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13262 DWARF2_UNWIND_INFO is nonzero, not just defined.
13263 (dwarf2out_frame_finish): Output non-EH call frame info only
13264 if DWARF2_FRAME_INFO is nonzero.
13265 (convert_cfa_to_loc_list,
13266 compute_frame_pointer_to_cfa_displacement): Define even if
13267 unwind info is not supported.
13268 (gen_subprogram_die): Use the above unconditionally. Remove
13269 legacy alternate code.
13270 * toplev.c (compile_file): Compile in call to
13271 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13272 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13274 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13275 Jakub Jelinek <jakub@redhat.com>
13277 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13278 IBM extended float format long double as "g" on powerpc*-linux.
13280 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13283 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13284 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13286 2006-02-03 Jason Merrill <jason@redhat.com>
13289 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13291 PR middle-end/25977
13292 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13293 on the return slot if it's an NRV.
13295 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13297 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13298 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13299 rewrite_use): Do not handle USE_OUTER.
13300 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13301 add_iv_outer_candidates, may_replace_final_value,
13302 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13303 (find_interesting_uses_op): Functionality of
13304 find_interesting_uses_outer_or_nonlin moved here.
13305 (find_interesting_uses_outside): Use find_interesting_uses_op.
13307 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13310 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13312 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13313 Ulrich Weigand <uweigand@de.ibm.com>
13316 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13317 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13318 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13319 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13321 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13322 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13323 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13324 Define secondary reloads for TFmode moves.
13325 (constant_modes): Add TFmode.
13326 (NR_C_MODES): Set to 8.
13327 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13329 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13330 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13331 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13332 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13333 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13334 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13335 (FPR mode macro): Add TFmode.
13336 (DSF mode macro): New.
13337 (<de>, <dee> mode attributes): Removed.
13338 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13339 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13340 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13341 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13342 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13343 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13344 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13345 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13346 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13347 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13348 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13349 "*negabs<mode>2", "sqrt<mode>2"):
13350 Changed <de> to <xde>. R constraint replaced by <Rf>.
13351 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13353 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13354 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13355 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13357 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13358 "extenddftf2", "extendsftf2"): New expanders.
13359 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13360 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13361 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13362 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13364 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13365 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13366 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13367 __floatditf): Add a GCC_4.1.0 symbol version tag.
13368 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13371 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13374 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13375 Use targetm.binds_local_p instead of TREE_PUBLIC.
13377 2006-02-02 Roger Sayle <roger@eyesopen.com>
13379 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13380 on INTEGER_TYPEs to indicate that it denotes a character type.
13381 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13382 signed_char_type_node, unsigned_char_type_node and char_type_node.
13383 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13384 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13385 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13387 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13388 Daniel Berlin <dberlin@dberlin.org>
13390 * tree-tailcall.c (arg_needs_copy_p): New function.
13391 (eliminate_tail_call): Use arg_needs_copy_p.
13392 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13393 (add_virtual_phis): New function.
13395 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13397 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13398 #ignore instead of #scratch for %g7 .register directive.
13400 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13402 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13405 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13407 * flow.c (calculate_global_regs_live): Assert that there aren't any
13410 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13412 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13413 what its name says.
13414 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13415 bsi_after_labels iterator.
13416 * tree-if-conv.c (find_phi_replacement_condition,
13417 replace_phi_with_cond_modify_expr): Likewise.
13418 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13419 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13421 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13423 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13425 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13428 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13429 array after growing it.
13431 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13433 PR middle-end/24901
13434 * fold-const.c (fold_checksum_tree): Change type of buf.
13436 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13438 * reload.c (push_secondary_reload): Initialize t_icode.
13440 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13442 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13443 -msoft-float -mlong-double-128 only issue a warning, but don't
13444 swich to DFmode long double.
13446 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13448 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13449 has a constant equivalent, iterate over equivalents for arg0,
13450 calling simplify_relational_operation and if there's a result
13451 cheaper than X, apply fold_rtx and return the result.
13453 2006-02-01 Jan Hubicka <jh@suse.cz>
13455 * opts.c (no_unit_at_a_time_default): New global variable.
13456 (decode_options): Use it.
13457 * opts.h (no_unit_at_a_time_default): Declare.
13459 2006-02-01 Paul Brook <paul@codesourcery.com>
13461 * function.c (assign_parm_setup_reg): Use function argument promotion
13463 * expr.c (expand_expr_real_1): Use function argument promotion rules
13466 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13468 * gcc.c (process_command): Change j to 'unsigned int'.
13470 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13472 PR middle-end/26001
13473 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13474 Use the corrected index for the character
13475 out of the string constant.
13477 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13479 * mode-switching.c (optimize_mode_switching): Fix size
13480 allocated for bb_info[n_entities].
13482 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13484 * gcc.c (main): Correct type that is allocated for
13485 explicit_link_files.
13487 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13489 * config/s390/s390.c (init_alignment_context): Set
13490 ALIAS_SET_MEMORY_BARRIER on the MEM.
13491 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13493 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13495 PR middle-end/25933
13496 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13498 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13501 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13503 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13504 * regrename.c: Ditto.
13505 * tree-ssa-loop-im.c: Ditto.
13506 * tree-dump.c: Ditto.
13507 * tree-complex.c: Ditto.
13508 * genrecog.c: Ditto.
13509 * tree-ssa-threadupdate.c: Ditto.
13511 * java/class.c: Ditto.
13512 * java/jcf-parse.c: Ditto.
13513 * java/resource.c: Ditto.
13514 * java/except.c: Ditto.
13515 * java/jvspec.c: Ditto.
13516 * java/jcf-write.c: Ditto.
13517 * java/jcf-path.c: Ditto.
13518 * java/gjavah.c: Ditto.
13519 * java/zextract.c: Ditto.
13520 * java/jcf-io.c: Ditto.
13521 * java/jcf.h: Ditto.
13522 * java/buffer.c: Ditto.
13523 * java/lang.c: Ditto.
13524 * java/parse-scan.y: Ditto.
13525 * java/lex.c: Ditto.
13526 * java/lex.h: Ditto.
13527 * cfgloopmanip.c: Ditto.
13528 * postreload-gcse.c: Ditto.
13529 * tree-ssa-loop-manip.c: Ditto.
13530 * postreload.c: Ditto.
13531 * tree-ssa-loop-ch.c: Ditto.
13534 * cppspec.c: Ditto.
13535 * diagnostic.c: Ditto.
13537 * genoutput.c: Ditto.
13539 * cfghooks.c: Ditto.
13540 * cfgloopanal.c: Ditto.
13541 * objc/objc-act.c: Ditto.
13543 * genextract.c: Ditto.
13544 * genautomata.c: Ditto.
13545 * pretty-print.c: Ditto.
13546 * genemit.c: Ditto.
13547 * cgraphunit.c: Ditto.
13549 * df-scan.c: Ditto.
13550 * haifa-sched.c: Ditto.
13551 * dominance.c: Ditto.
13553 * tree-ssa-loop-ivopts.c: Ditto.
13554 * df-core.c: Ditto.
13555 * mode-switching.c: Ditto.
13556 * modulo-sched.c: Ditto.
13558 * ipa-pure-const.c: Ditto.
13560 * fix-header.c: Ditto.
13562 * tree-stdarg.c: Ditto.
13563 * ipa-utils.c: Ditto.
13564 * loop-init.c: Ditto.
13565 * ipa-inline.c: Ditto.
13566 * cfganal.c: Ditto.
13568 * alloc-pool.c: Ditto.
13569 * dwarf2out.c: Ditto.
13571 * genattrtab.c: Ditto.
13572 * tree-ssa-loop-ivcanon.c: Ditto.
13573 * predict.c: Ditto.
13574 * timevar.c: Ditto.
13576 * fortran/gfortranspec.c: Ditto.
13577 * regmove.c: Ditto.
13578 * local-alloc.c: Ditto.
13579 * langhooks.c: Ditto.
13580 * function.c: Ditto.
13581 * tree-vectorizer.c: Ditto.
13583 * ipa-type-escape.c: Ditto.
13585 * tree-if-conv.c: Ditto.
13586 * profile.c: Ditto.
13588 * tree-data-ref.c: Ditto.
13589 * loop-unroll.c: Ditto.
13590 * treelang/treetree.c: Ditto.
13592 * bt-load.c: Ditto.
13593 * ggc-common.c: Ditto.
13595 * coverage.c: Ditto.
13597 * tree-cfgcleanup.c: Ditto.
13598 * tree-ssa-pre.c: Ditto.
13599 * cfgcleanup.c: Ditto.
13600 * loop-invariant.c: Ditto.
13601 * loop-iv.c: Ditto.
13602 * ipa-prop.c: Ditto.
13603 * print-tree.c: Ditto.
13604 * conflict.c: Ditto.
13605 * ggc-page.c: Ditto.
13606 * sched-deps.c: Ditto.
13607 * regclass.c: Ditto.
13608 * tree-object-size.c: Ditto.
13609 * combine.c: Ditto.
13610 * bb-reorder.c: Ditto.
13611 * resource.c: Ditto.
13612 * var-tracking.c: Ditto.
13613 * cfgloop.c: Ditto.
13614 * df-problems.c: Ditto.
13615 * reg-stack.c: Ditto.
13617 * gccspec.c: Ditto.
13618 * sched-rgn.c: Ditto.
13619 * tree-ssa-structalias.c: Ditto.
13620 * tree-ssa-reassoc.c: Ditto.
13621 * config/darwin-c.c: Ditto.
13622 * config/darwin.c: Ditto.
13623 * config/arm/arm.c: Ditto.
13625 * collect2.c: Ditto.
13626 * reload1.c: Ditto.
13628 2006-01-31 Nicolas Pitre <nico@cam.org>
13630 * arm.md (smaxsi3): Make aware of smax_m1.
13633 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13635 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13637 2006-01-31 Richard Guenther <rguenther@suse.de>
13639 * doc/invoke.texi (-msselibm): Document.
13640 * target.h (expand_library_builtin): New target hook.
13641 * builtins.c (expand_builtin): Use expand_library_builtin.
13642 (default_expand_library_builtin): New function.
13643 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13644 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13645 (link_gcc_math_spec): Declare.
13646 (static_specs): Add link_gcc_math_spec.
13647 * expr.h (default_expand_library_builtin): Declare.
13648 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13649 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13650 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13651 * config/i386/i386.opt (msselibm): New target option.
13652 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13653 (ix86_init_sse_abi_builtins): New function.
13654 (ix86_expand_library_builtin): Likewise.
13655 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13656 (override_options): Handle error conditions wrt -msselibm.
13657 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13658 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13659 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13662 2006-01-31 Richard Guenther <rguenther@suse.de>
13663 Paolo Bonzini <bonzini@gnu.org>
13665 * doc/install.texi (--disable-libgcc-math): Document.
13667 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13669 * expr.h (expand_normal): new inline function.
13670 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13671 * dojump.c: use it.
13672 * dwarf2out.c: use it.
13675 * expmed.c: use it.
13676 * except.c: use it.
13677 * config/sparc/sparc.c: use it.
13678 * config/i386/i386.c: use it.
13679 * config/rs6000/rs6000.c: use it.
13680 * config/arm/arm.c: use it.
13681 * config/mips/mips.c: use it.
13682 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13684 2006-01-30 Roger Sayle <roger@eyesopen.com>
13686 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13687 argv to the appropriate type.
13689 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13691 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13694 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13697 * config/s390/s390.c (struct machine_function): New flag
13698 decomposed_literal_pool_addresses_ok_p.
13699 (s390_reorg): Set it before final stage of literal pool transforms.
13700 (s390_decompose_address): Only accept displacements of the form
13701 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13703 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13705 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13706 the comparison routine return.
13708 2006-01-30 Michael Matz <matz@suse.de>
13710 * global.c (find_reg): Only evict for global regs.
13711 Take n_refs into account and dump more info.
13713 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13716 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13717 (pragma_trap, pragma_nosave_low_regs): Likewise.
13718 (current_function_anonymous_args): Likewise.
13719 (sh_deferred_function_attributes): New variable.
13720 (sh_deferred_function_attributes_tail): Likewise.
13721 (print_operand): For '@', look up trap_exit attribute.
13722 (calc_live_regs): Look up trapa_handler attribute. For trapa
13723 handlers, save/restore fpscr, but don't do any other
13724 interrupt-specific saves.
13725 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13726 Fix check for partially saved registers to check for SHmedia.
13727 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13728 (sh_output_function_epilogue): Don't clear any of the removed
13730 (sh_insert_attributes): Don't check pragma_interrupt.
13731 Insert deferred attributes. Check that interrupt attribute is
13732 present for other attributes that require its presence.
13733 (sh_attribute_table): Add new attributes trapa_handler and
13735 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13736 Don't check for pragma_interrupt. Don't store argument.
13737 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13738 (sh_deferred_function_attributes): Declare.
13739 (sh_deferred_function_attributes_tail): Likewise.
13740 * sh.md (sp_switch_1): Add operand. Change generator caller.
13741 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13742 (*return_i): Don't use when trap_exit attribute is in effect.
13743 (*return_trapa): New insn pattern.
13744 * sh-c.c: New file.
13745 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13746 setting c_target_objs and cxx_target_objs.
13747 * t-sh: Add rule for sh-c.o.
13749 2006-01-30 Richard Guenther <rguenther@suse.de>
13752 * gimplify.c (gimplify_target_expr): Handle easy cases
13753 without creating a temporary.
13755 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13757 * vec.h (safe_grow): Remove duplicated line.
13759 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13762 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13763 (expand_omp): ... here.
13764 (expand_omp_parallel): Only remove barriers for combined
13765 parallel+workshare constructs.
13767 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13771 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13772 * tree.c (build_qualified_type): Chain the new type to the original
13773 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13774 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13775 (build_pointer_type_for_mode): Only return unqualified types.
13776 (build_reference_type_for_mode): Likewise.
13778 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13780 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13781 * Makefile.in (CXX_COMPAT_WARN): Define.
13782 * configure: Regenerate.
13784 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13787 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13790 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13792 * toplev.c: Fix thinko.
13794 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13795 Marcin Dalecki <martin@dalecki.de>
13797 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13798 (push_srcloc): Use XNEW.
13799 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13801 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13803 * df-core.c (df_set_blocks): Deleted all variable.
13805 2006-01-28 Ian Lance Taylor <ian@airs.com>
13807 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13808 cgraph_output_pending_asms.
13810 2006-01-28 Zack Weinberg <zackw@panix.com>
13812 * c.opt: Add -W(no-)overlength-strings.
13813 * doc/invoke.texi: Document it.
13814 * c-opts.c (c_common_handle_option): -pedantic implies
13815 -Woverlength-strings, if not explicitly disabled already.
13816 (c_common_post_options): -Woverlength-strings defaults to off, and
13817 is always off for C++.
13818 * c-common.c (fix_string_type): Issue warning about strings longer
13819 than is portable only if warn_overlength_strings. Rearrange code
13820 a little for clarity.
13821 * configure.in: Check for -Wno-overlength-strings as well before
13822 enabling -pedantic in stage 1.
13823 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13824 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13826 * genconditions.c (write_header, write_one_condition)
13827 (write_conditions, write_writer): Consolidate very long strings
13828 that were broken up to fit in C89 portable limit. Don't use
13829 printf when fputs will do.
13831 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13833 * combine.c (simplify_comparison <AND>): Check
13834 TRULY_NOOP_TRUNCATION before start using a subreg.
13836 * config/mips/mips.md (*branch_zero<mode>,
13837 *branch_zero<mode>_inverted, *branch_equality<mode>,
13838 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13839 Remove mode check from comparisons.
13841 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13843 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13845 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13847 * expmed.c (const_mult_add_overflow_p): Remove.
13848 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13850 * recog.c (validate_replace_rtx_subexp): Remove.
13851 * recog.h: Remove the prototype for
13852 validate_replace_rtx_subexp.
13854 * integrate.h: Remove the prototype for
13855 copy_decl_for_inlining.
13856 * rtl.h: Remove the prototype for mark_constant_function.
13857 * tree-vectorizer.h: Remove the prototype for
13858 vect_strip_conversion.
13860 * modulo-sched.c (create_partial_schedule,
13861 free_partial_schedule, reset_partial_schedule): Make them
13864 * hooks.c (hook_bool_rtx_int_false): Remove.
13865 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13867 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13869 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13870 and -mlong-double-128 are incompatible.
13871 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13872 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13873 (TARGET_LIBGCC2_CFLAGS): Define.
13874 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13875 (TARGET_LIBGCC2_CFLAGS): Same.
13876 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13878 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13881 * c-typeck.c (build_binary_op): Perform implicit casts of
13882 operands before shortening them.
13884 * cfgloopmanip.c (split_loop_bb): Remove.
13885 * cfgloop.h: Remove the prototype for split_loop_bb.
13887 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13888 * cfgloop.h: Remove the prototype for
13889 flow_loop_outside_edge_p.
13891 * emit-rtl.c (init_virtual_regs): Make it static.
13892 * function.h: Remove the prototype for init_virtual_regs.
13894 * recog.c (peephole2_optimize): Make it static.
13895 * recog.h: Remove the prototype for peephole2_optimize.
13897 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13899 * df-scan.c (df_record_entry_block_defs): Check if
13900 INCOMING_RETURN_ADDR_RTX is defined.
13902 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13903 Kenneth Zadeck <zadeck@naturalbridge.com>
13905 PR rtl-optimization/24762
13906 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13907 * targhooks.c (hook_void_bitmap): New hook prototype.
13908 * targhoohs.h (hook_void_bitmap): Ditto.
13909 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13910 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13911 * target.h (live_on_entry): New function pointer.
13912 * df-scan.c (df_all_hard_regs): Removed.
13913 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13914 (df_scan_free_internal): Added df->entry_block_defs.
13915 (df_scan_alloc): Ditto.
13916 (df_scan_dump): Ditto.
13917 (df_uses_record): Plumbed flag field properly thru calls.
13918 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13919 This part fixes PR24762.
13920 (df_bb_refs_record): Added code to make the frame and arg
13921 pointers live in EH blocks.
13922 (df_refs_record): Added call to df_record_entry_block_defs.
13923 (df_record_entry_block_defs): New function.
13924 * df-core.c: Added comments to describe new artifical defs.
13925 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13926 (entry_block_defs): New field in struct df.
13927 (df_all_hard_regs): Deleted.
13928 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13929 * df-problems.c (df_ru_bb_local_compute_process_def):
13930 Added code to handle artifical defs in the entry to a function.
13931 (df_ru_bb_local_compute): Ditto.
13932 (df_rd_bb_local_compute_process_def): Ditto.
13933 (df_rd_bb_local_compute): Ditto.
13934 (df_lr_bb_local_compute): Ditto.
13935 (df_ur_bb_local_compute): Ditto.
13936 (df_urec_bb_local_compute): Ditto.
13937 (df_chain_create_bb): Ditto.
13938 (df_ur_local_finalize): Removed entry.
13939 (df_urec_init): Ditto.
13940 (df_urec_local_finalize): Ditto.
13941 (df_ri_bb_compute): Added detection of last use of pseudos.
13942 * Makefile.in (df-scan.o): Updated dependencies.
13943 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13944 * config/mips/mips.c (mips_set_live_on_entry): Added.
13945 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13947 * dce.c (marked_insn_p): Added code to handle artifical defs.
13949 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13951 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13953 (_mm_cvtsi128_si64): Likewise.
13954 (_mm_cvtsd_si64): Likewise.
13955 (_mm_cvttsd_si64): Likewise.
13956 (_mm_cvtsi64_sd): Likewise.
13957 (_mm_cvtsi64_si128): Likewise.
13958 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13959 (_mm_cvtsi64_m64): Likewise.
13960 (_m_to_int64): Likewise.
13961 (_mm_cvtm64_si64): Likewise.
13962 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13963 (_mm_cvttss_si64): Likewise.
13964 (_mm_cvtsi64_ss): Likewise.
13965 (_mm_cvtss_f32): Likewise.
13967 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13969 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13970 for pragma redefine_extname.
13972 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13975 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13976 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13977 -mno-minimal-toc to previous content.
13978 (bispecs): Remove goal.
13979 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13980 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13981 compatibility aliases on powerpc-*-*gnu*.
13982 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13983 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13984 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13985 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13986 (ldblspecs): New goal.
13987 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13988 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13990 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13991 L_sf_to_tf or L_df_to_tf is defined.
13993 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13994 Alan Modra <amodra@bigpond.net.au>
13997 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13998 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13999 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14000 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14001 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14002 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14003 (rs6000_override_options): Initialize rs6000_ieeequad.
14004 Initialize TFmode format to ibm_extended_format if not
14006 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14008 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14009 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14010 (function_arg_advance): IBM long double passed in two FPRs, not
14012 (function_arg): IBM long double passed in FPRs.
14013 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14014 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14015 Only multireg GPR aligned.
14016 (rs6000_init_libfuncs): Enable IBM long double functions if not
14018 (rs6000_generate_compare): Use IBM long double compare if not
14020 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14021 (TARGET_IEEEQUAD): Define.
14022 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14023 not TARGET_IEEEQUAD.
14024 * config/rs6000/rs6000.md: Enable TFmode patterns if
14026 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14027 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14028 and -mlong-double-128 are incompatible.
14029 * doc/invoke.texi (-mabi): Collect options together. Add
14030 ibmlongdouble and ieeelongdouble.
14032 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14034 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14036 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14037 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14038 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14039 * rtl.h (rtunion_def): Remove rt_ptr.
14041 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14042 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14043 * config/i386/winnt.c (i386_pe_mark_dllexport)
14044 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14046 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14048 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14050 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14054 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14055 pthread_key_delete. From John David Anglin. gthrw-ify
14056 pthread_getunique_np only if it it's not a macro. Delete
14058 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14059 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14060 __gthread_objc_condition_signal, __gthread_key_delete): Add
14061 "__attribute__ ((__unused__))" to unused arguments.
14062 (__gthread_recursive_mutex_init_function): Add missing return.
14063 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14064 gthr-posix95.h: Use macro-based approach for name redirection
14065 on targets missing weakref.
14067 2006-01-26 Zack Weinberg <zackw@panix.com>
14069 * genconditions.c (write_header): In generated code, #ifdef out
14070 all includes and fake declarations, except includes of bconfig.h
14071 and system.h, unless GCC_VERSION >= 3001. Do not include
14072 gensupport.h in any case.
14073 (write_conditions): Generate a definition of struct c_test. Add
14074 a comment to the generated #endif.
14075 (write_one_condition): Escape backslashes in string too.
14076 (write_writer): Generated code must escape backslashes and quote
14077 marks (but not newlines) in the strings it writes.
14078 * Makefile.in (build/gencondmd.o): Update dependencies.
14080 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14083 * Makefile.in (insn-automata.o): Add header file dependencies.
14084 * genautomata.c: Add includes.
14086 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14089 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14091 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14093 * configure.ac: Expect target tools paths to be passed from the toplevel
14094 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14096 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14098 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14101 * c.opt (Wpointer-sign): Init to -1.
14102 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14103 OPT_pedantic, to 0 otherwise.
14104 * doc/invoke.texi: Update.
14106 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14108 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14109 constants provided by 80387 instructions in the destination mode.
14111 2006-01-26 Richard Guenther <rguenther@suse.de>
14112 Andrew Pinski <pinskia@physics.uc.edu>
14115 partial PR tree-opt/17064
14116 * tree-ssa-structalias.c (intra_create_variable_infos):
14117 Create heap variables for incoming parameters if
14118 flag_argument_noalias > 1.
14119 (find_what_p_points_to): Look through default defs of
14122 2006-01-26 Jeff Law <law@redhat.com>
14125 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14126 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14127 within the VR_RANGE, use the VR_RANGE as the result, not the
14129 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14130 bounds for the type.
14132 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14134 * tree-ssa-alias.c (maybe_create_global_var): Change
14135 subvar walking to an assertion that we don't have subvar'd variables.
14137 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14140 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14141 Use a new variable, inner. PARM_DECLs are always non-weak.
14143 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14145 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14146 --disable-checking.
14148 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14150 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14152 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14154 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14155 (smax_insn, smin_insn, smax_0, smin_0): New.
14157 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14160 * config/cris/cris.c (cris_order_for_addsi3): New function.
14161 * config/cris/cris-protos.h: Prototype it.
14162 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14163 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14164 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14165 (split for "op.S1 [rx=rx+i],ry (swapped)")
14166 (split for "op(s|u).S1 [rx=rx+i],ry")
14167 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14168 Apply cris_order_for_addsi3 when generating addsi3 insns.
14170 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14172 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14173 (TREE_BLOCK): Add call to EXPR_CHECK.
14175 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14178 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14179 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14180 (dump_omp_clauses): ... here.
14181 (dump_generic_node): Handle OMP_CLAUSE.
14182 * tree.c (omp_clause_num_ops): New.
14183 (omp_clause_code_name): New.
14184 (tree_code_size): Handle OMP_CLAUSE.
14185 (tree_size): Likewise.
14186 (make_node): Document handling of OMP_CLAUSE.
14187 (tree_node_structure): Handle OMP_CLAUSE.
14188 (omp_clause_check_failed): New.
14189 (omp_clause_range_check_failed): New.
14190 (omp_clause_operand_check_failed): New.
14191 (build_omp_clause): New.
14192 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14193 * tree.h (enum omp_clause_code): Declare.
14194 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14195 (OMP_CLAUSE_RANGE_CHECK): Define.
14196 (OMP_CLAUSE_ELT_CHECK): Define.
14197 (omp_clause_check_failed): Declare.
14198 (omp_clause_operand_check_failed): Declare.
14199 (omp_clause_range_check_failed): Declare.
14200 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14201 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14202 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14203 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14204 (OMP_CLAUSE_IF_EXPR): Likewise.
14205 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14206 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14207 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14208 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14209 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14210 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14211 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14212 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14213 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14214 (OMP_CLAUSE_CODE): Define.
14215 (OMP_CLAUSE_SET_CODE): Define.
14216 (OMP_CLAUSE_CODE): Define.
14217 (OMP_CLAUSE_OPERAND): Define.
14218 (struct tree_omp_clause): Declare.
14219 (union tree_node): Add field 'omp_clause'.
14220 * treestruct.def (TS_OMP_CLAUSE): Define.
14221 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14222 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14223 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14224 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14225 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14226 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14227 (OMP_CLAUSE): Define.
14228 * print-tree.c (print_node): Handle OMP_CLAUSE.
14229 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14230 * c-typeck.c: Likewise.
14231 * gimplify.c: Likewise.
14232 * c-omp.c: Likewise.
14233 * tree-nested.c: Likewise.
14234 * tree-inline.c: Likewise.
14235 * c-parser.c: Likewise.
14236 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14239 2006-01-25 Roger Sayle <roger@eyesopen.com>
14241 PR rtl-optimization/25703
14242 * combine.c (try_combine): Handle zero_extract and strict_low_part
14243 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14245 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14247 * global.c: Fix comment typos.
14249 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14252 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14253 Use output_addr_const instead of assemble_name.
14255 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14257 * Makefile.in (sched-vis.o): Update dependencies.
14258 * haifa-sched.c (sched_finish): Clear current_sched_info.
14259 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14260 (dump_flow_info): Call it.
14261 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14263 * basic-block.h (dump_bb_info): Declare.
14264 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14265 option, and apply options only for dump files whose TDF_RTL,
14266 TDF_TREE, or TDF_IPA bits match.
14267 * rtl.h: Declare new functions exported from sched-vis.c.
14268 * sched-vis.c: Enable also if scheduling is not used.
14269 (print_value): Print the mode of registers if not inside scheduling.
14270 (print_insn): Make it work outside the scheduler. Beautify the output
14272 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14274 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14276 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14277 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14278 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14279 depending on the value of CONSTANT_POOL_ADDRESS_P.
14280 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14282 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14283 rather than SYMBOL_REF_DECL.
14284 (rtx_constant_pool): Remove const_rtx_sym_htab.
14285 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14286 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14287 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14288 Remove handling of const_rtx_sym_htab.
14289 (find_pool_constant): Delete.
14290 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14291 rather than find_pool_constant.
14292 (get_pool_constant_for_function): Delete.
14293 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14294 find_pool_constant.
14295 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14296 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14297 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14298 (SYMBOL_REF_CONSTANT): New macro.
14299 (get_pool_constant_for_function): Delete.
14300 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14301 rather than SYMBOL_REF_DECL.
14302 (i386_pe_mark_dllimport): Likewise.
14303 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14304 rather than SYMBOL_REF_DECL.
14305 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14306 (machopic_indirect_call_target): Likewise.
14308 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14310 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14312 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14314 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14316 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14318 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14320 2006-01-24 David Daney <ddaney@avtrex.com>
14323 * configure.ac (enable_tls): New enable option.
14324 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14325 * configure: Regenerate.
14326 * doc/install.texi (--enable-tls): Document new option.
14327 (--disable-tls): Ditto.
14329 2006-01-24 Richard Henderson <rth@redehat.com>
14331 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14332 * alias.c (true_dependence): Respect it.
14333 (canon_true_dependence, write_dependence_p): Likewise.
14334 * builtins.c (get_builtin_sync_mem): Set it.
14336 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14338 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14341 2006-01-24 DJ Delorie <dj@redhat.com>
14343 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14344 for storing constants in single-bit bitfields.
14346 2006-01-25 Ben Elliston <bje@au.ibm.com>
14348 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14350 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14353 * tree-ssa-pre.c (phi_translate): Return NULL
14354 for AGGREGATE_TYPE's.
14356 2006-01-24 Zack Weinberg <zackw@panix.com>
14358 * genautomata.c (process_state_for_insn_equiv_partition):
14359 Use xcalloc for insn_arcs_array.
14360 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14361 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14363 2006-01-24 Richard Henderson <rth@redhat.com>
14365 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14366 update all callers.
14368 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14370 PR rtl-optimization/25890
14371 PR rtl-optimization/25905
14372 * combine.c (expand_compound_operation, expand_field_assignment):
14373 Fail if the bitfield's final position is out of bounds.
14375 2006-01-24 Ian Lance Taylor <ian@airs.com>
14377 PR middle-end/25930
14378 * cgraphunit.c (cgraph_output_in_order): Don't clear
14379 cgraph_asm_nodes until after asm strings have been output.
14381 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14383 * fix-header.c (read_scan_file): Add new parameter imultilib when
14384 calling register_include_chains.
14386 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14388 * omp-low.c: Update documentation.
14390 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14391 Daniel Berlin <dberlin@dberlin.org>
14395 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14396 return from the function.
14398 2006-01-22 Zack Weinberg <zackw@panix.com>
14400 * rtl.def (match_code): Add second argument.
14401 * genpreds.c (write_extract_subexp): New function.
14402 (write_match_code): Add path argument. Use write_extract_subexp.
14403 (write_predicate_expr): Pass path to write_match_code.
14404 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14405 not perform a mode test.
14406 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14407 a subexpression does not constrain the top-level code set.
14408 * read-rtl.c (read_rtx_variadic): New function.
14409 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14410 * doc/md.texi: Document new notation.
14411 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14412 (cmpsi_operand): ... here, using new notation.
14414 2006-01-22 Zack Weinberg <zackw@panix.com>
14416 * varray.c: Remove GENERATOR_FILE #ifdefs.
14418 2006-01-22 Zack Weinberg <zackw@panix.com>
14420 * genautomata.c (output_reserved_units_table): Emit nothing if
14421 description->query_units_num is zero. Remove extra blank line.
14422 (output_cpu_unit_reservation_p): Short circuit
14423 if description->query_units_num is zero.
14425 2006-01-22 Zack Weinberg <zackw@panix.com>
14427 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14428 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14429 nor any of the random handful of variables that used to be necessary
14430 when this program was linked with rtlanal.o. Prune set of forward
14431 function declarations.
14432 (struct attr_desc): Remove static_p field.
14433 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14434 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14435 (attr_string): Do not read the character one past the length of
14437 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14438 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14439 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14440 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14441 (make_automaton_attrs): New.
14442 (main): Do not call into genautomata. Call local gen_bypass
14443 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14444 Remove special case for insn_alts.
14445 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14446 varray.h (leftover from previous change). Prune set of forward
14447 function declarations. Remove state_alts fields from all
14448 structures. Remove state_alts_table from struct automaton.
14449 Make everything except main static. Do not maintain num_dfa_decls.
14450 Do not maintain state_alts fields of various structures.
14451 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14452 (add_arc): Remove state_alts argument. All callers updated.
14453 (output_reserved_units_table): Emit #ifdef here...
14454 (output_tables): ...not here. Don't generate state_alts tables.
14455 (expand_automata): Don't generate attributes.
14456 (write_automata): Don't generate state_alts functions.
14457 (main): New function.
14458 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14459 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14460 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14461 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14462 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14463 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14464 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14465 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14467 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14468 * genattrtab.h: Delete file.
14469 * Makefile.in (OBJS-common): Add insn-automata.o.
14470 (insn-automata.o): New rule.
14471 (simple_generated_c): Add insn-automata.c.
14472 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14473 (genprogmd): Add automata.
14474 (build/genattrtab): Needs no extra objects nor libraries.
14475 (build/genautomata): Needs build/vec.o and -lm.
14477 2006-01-22 Zack Weinberg <zackw@panix.com>
14479 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14480 (output_dfa_max_issue_rate, locked_states_num): Delete.
14481 (struct automaton): Add locked_states field.
14482 (output_dead_lock_vect): Save number of locked states in
14483 automaton->locked_states. If it is zero, don't print anything.
14484 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14485 (output_internal_dead_lock_func): Only test the dead_lock_vect
14486 for automata that have locked states.
14487 (output_statistics): Always print the number of locked states for
14488 each automaton. Calculate total number of locked states here.
14489 (write_automata): Don't call output_dfa_max_issue_rate.
14490 * genattrtab.c: Define length_unit_log as a const variable.
14491 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14492 max_insn_queue_index const.
14493 * final.c (length_unit_log): Declare const.
14494 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14496 2006-01-22 Zack Weinberg <zackw@panix.com>
14498 * genautomata.c: Include vec.h, not varray.h.
14499 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14500 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14501 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14502 VEC_* macros operating on appropriately typed vectors, or to
14503 malloced arrays when the size is known in advance. Const-ify
14504 many char* variables and function arguments. No functional changes.
14505 * Makefile.in (build/varray.o): Delete rule.
14506 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14507 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14509 2006-01-22 Zack Weinberg <zackw@panix.com>
14511 * gensupport.c: Define get_insn_name and record_insn_name here.
14512 (read_md_rtx): Call record_insn_name as appropriate.
14513 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14514 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14515 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14517 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14518 (BUILD_VARRAY): Delete.
14519 (genprognormal): Rename genprogmd. Fold in all programs from
14520 genprognoprint; also attrtab.
14521 (build/genattrtab): Just mention genautomata.o and varray.o.
14522 Reorganize a bit, add comments to make the categories clearer.
14524 2006-01-22 Zack Weinberg <zackw@panix.com>
14526 * genconditions.c (condition_table, add_condition): Delete.
14527 (write_conditions): Don't emit n_insn_conditions nor
14528 insn_elision_unavailable. Issue the gcc version #ifdef here,
14529 inside the table, with no #else clause ...
14530 (write_header): ...not here.
14531 (write_writer): New function.
14532 (main): Don't initialize condition_table. Use add_c_test.
14534 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14535 files on the command line.
14536 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14537 Return -1 if there is no entry in the table, don't abort.
14538 (add_c_test, traverse_c_tests): New functions.
14539 * gensupport.h (insn_elision_unavailable, insn_conditions)
14540 (n_insn_conditions): Delete declarations.
14541 (add_c_test, traverse_c_tests): Declare.
14542 * read-rtl.c: Include gensupport.h.
14543 (read_conditions): New function.
14544 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14545 (read_rtx_1): If we get EOF when we were looking for an initial
14546 open paren, return 0. Call read_conditions when appropriate.
14547 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14548 dummy-conditions.o. Eliminate references to insn-conditions.o,
14549 or change them to build/gencondmd.o, as appropriate. Remove
14550 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14551 from $(simple_generated_c). For all files remaining in those
14552 two lists, add insn-conditions.md to the generator command line.
14553 Give insn-constants.h/s-constants their own rules. Add rules
14554 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14555 (build/read-rtl.o): Depend on gensupport.h.
14556 (genprognormal): Include preds.
14557 (genprogearly): Rename genprognoprint; only difference is now that
14558 they don't link with $(BUILD_PRINT).
14559 * dummy-conditions.c: Delete.
14561 2006-01-22 Zack Weinberg <zackw@panix.com>
14563 * genextract.c: Don't include insn-config.h. Do include vec.h.
14564 Declare vectors of int, char, and locstr.
14565 (locstr): New typedef.
14566 (struct extraction): Make all array fields into bare pointers.
14567 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14568 (insn_code_number): Delete.
14569 (accum_extract): New struct.
14570 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14571 (gen_insn): Take insn_code_number as an argument. Use an
14572 accum_extract structure instead of loading data directly into
14573 a struct extraction, and having to know how big it might get.
14574 (walk_rtx): Operate entirely on an accum_extract structure.
14575 (print_path): Avoid unnecessary use of printf.
14576 (print_header): New function, split out of main. Distinguish
14577 more carefully between an unrecognizable insn and an insn that
14578 has the code number of a define_expand.
14579 (main): Pass insn_code_number to gen_insn. Call print_header
14580 only after parsing. Avoid unnecessary use of printf.
14581 * Makefile.in (build/vec.o): New rule.
14582 (build/genextract): Depend on build/vec.o.
14583 (build/genextract.o): Don't depend on insn-config.h.
14585 2006-01-22 Zack Weinberg <zackw@panix.com>
14587 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14588 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14589 practical. Eliminate per-generator-program link rules.
14591 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14593 PR middle-end/24437
14594 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14595 with a call expr to ...
14596 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14598 2006-01-23 Richard Guenther <rguenther@suse.de>
14600 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14601 before make_edge with conditional EDGE_TRUE_VALUE.
14603 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14604 Jan Hubicka <jh@suse.cz>
14605 Richard Guenther <rguenther@suse.de>
14607 PR rtl-optimization/25654
14608 * cfgexpand.c (aggregate_contains_union_type): New function.
14609 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14610 for structure variables that contain a union type.
14612 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14614 * gengtype.c (new_structure): Return the structure.
14615 (create_option): Add an extra "next" argument.
14616 (create_field): New function.
14617 (adjust_field_rtx_def): Use create_option and create_field.
14618 Remove a now-unnecessary call to find_structure.
14619 (adjust_field_tree_def): Likewise.
14620 (note_yacc_type): Remove an unnecessary call to find_structure.
14621 * gengtype.h (new_structure): Return the structure.
14622 (create_option): Add an extra argument.
14623 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14624 (option): Adjust calls to create_option.
14626 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14628 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14630 2006-01-22 Paul Brook <paul@codesourcery.com>
14631 Peter Barada <peter@the-baradas.com>
14633 * config/m68k/m68k.md: Add Coldfire FPU support.
14634 Define FP mode macro and associated attributes.
14635 Use it for float mode patterns.
14636 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14637 (LIBCALL_VALUE): Use m68k_libcall_value.
14638 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14639 (m68k_function_value): Ditto.
14640 (emit_move_sequence): Ditto.
14641 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14642 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14643 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14644 (MULTILIB_EXCEPTIONS): Ditto.
14645 * config/m68k/m68k.opt: Add mcfv4e.
14646 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14647 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14648 (m68k_output_function_prologue): Save ColdFire FPU registers.
14649 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14650 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14651 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14652 ColdFire FPU registers.
14653 (m68k_libcall_value, m68k_function_value): New functions.
14654 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14655 (LIBCALL_VALUE): Use m68k_libcall_value.
14656 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14657 (MASK_COLDFIRE): Add MASK_CFV4E.
14658 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14659 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14660 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14661 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14662 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14663 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14664 * doc/invoke.tex: Document -mcfv4e on m68k.
14666 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14668 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14671 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14674 * c-opts.c (c_common_handle_option): Don't include
14675 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14676 * doc/invoke.texi (C++ Dialect Options): Document that
14677 -Wnon-virtual-dtor is no longer included in -Wall.
14679 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14681 * gcov.c (print_version), gcov-dump.c (print_version),
14682 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14685 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14687 * df-scan.c (problem_SCAN): Added NULL reset function.
14688 (df_scan_reset_blocks): Added code to call reset block function
14689 (df_bb_refs_delete) Fixed comment.
14690 (df_insn_refs_delete): Made tolerant of deleting non existent info
14691 for dataflow problems that need to be reset.
14692 * df-core.c (df_set_blocks): Ditto.
14693 * df.h (struct df_problem): Added reset_fun.
14694 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14695 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14696 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14697 functions to clear out all references to def-use or use-def chains.
14699 2006-01-21 Ben Elliston <bje@au.ibm.com>
14701 * varasm.c (assemble_real): Initialise data array.
14703 2006-01-20 Paul Brook <paul@codesourcery.com>
14705 Merge from csl-arm-branch.
14706 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14707 * config/arm/arm.md (movdi): Force operands[1] to a register
14708 if we have a non-register source.
14709 (*arm_movdi, *movdf_soft_insn): Require that one of the
14710 operands be a register.
14711 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14712 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14714 2006-01-20 DJ Delorie <dj@redhat.com>
14716 * varasm.c (initializer_constant_valid_p): Allow pointers
14717 initialized from integer constants of lesser precision.
14718 (output_constant): Allow non-int-sized pointer modes to be
14719 initialized from integer constants.
14721 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14724 * cppdefault.h (struct default_include): Add multilib flag.
14725 * cppdefault.c (cpp_include_defaults): Set it.
14726 * c.opt (-imultilib): New option.
14727 * c-opts.c (imultilib): New.
14728 (c_common_handle_option): Handle -imultilib.
14729 (c_common_post_options): Likewise.
14730 * c-incpath.c (add_standard_paths, register_include_chains):
14732 * c-incpath.h (register_include_chains): Add extra parameter.
14733 * gcc.c (do_spec_1): Generate -imultilib option.
14734 (The Specs Language): Update %I description.
14735 (process_command): Update copyright notice.
14736 * doc/cppopts.texi (-imultilib): Document.
14737 * doc/invoke.texi (-imultilib): Include in option summary.
14738 (%I): Update specs documentation.
14740 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14742 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14744 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14746 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14749 2006-01-20 Richard Guenther <rguenther@suse.de>
14750 Steven Bosscher <stevenb.gcc@gmail.com>
14752 PR rtl-optimization/24626
14753 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14754 EDGE_TRUE_VALUE if in RTL mode.
14757 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14758 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14760 2006-01-20 Dirk Mueller <dmueller@suse.com>
14763 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14764 instead of a special NOP marker.
14765 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14766 NOP marker handling.
14767 * c-common.h (empty_body_warning): Add forward declaration.
14768 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14769 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14771 2006-01-20 Paul Brook <paul@codesourcery.com>
14773 * Makefile.in (lang_checks): Keep going if mkdir fails.
14775 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14777 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14778 be able to clean out basic block when not necessary.
14779 (df_scan_free): Fixed to properly delete information if df is
14780 unused before calling df_finish.
14781 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14782 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14784 (df_bb_refs_delete): New function.
14785 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14786 * df-core.c (df_set_blocks): Added code to properly clean out
14787 unused blocks if they are not part of the blocks to consider.
14788 Added additional null check.
14789 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14790 be able to clean out basic block when not necessary
14791 * df.h (df_free_bb_function): Ditto.
14792 (df_bb_refs_delete): New function.
14793 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14794 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14795 basic block parameter to be able to clean out basic block when not
14797 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14798 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14799 Fixed to properly delete information if df is unused before
14802 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14804 PR rtl-optimization/25799
14805 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14806 Corrected confluence operator to remove bits from op2 before oring
14807 with op1 rather than removing bits from op1.
14808 (df_ru_transfer_function): Corrected test on wrong bitmap which
14809 caused infinite loop. Both of these problems were introduced in
14810 the dataflow rewrite.
14812 2006-01-19 DJ Delorie <dj@redhat.com>
14814 * reload1.c (find_reload_regs): Note the details of reload
14815 failures in the dump file.
14816 (spill_failure): Likewise.
14818 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14820 * loop-iv.c: Include df.h and hashtab.h.
14821 (enum iv_grd_result): New enum.
14822 (DF_REF_IV, DF_REF_IV_SET): New macros.
14823 (struct biv_entry): New.
14824 (df, bivs): New global variables.
14825 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14826 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14828 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14829 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14830 analyzed_for_bivness_p, record_biv): New functions.
14831 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14832 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14833 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14835 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14837 (iv_number_of_iterations): Use new interface to iv analysis.
14838 * loop-unroll.c: Do not include varray.h.
14839 (analyze_iv_to_split_insn): Use new interface to iv
14841 * loop-unswitch.c (may_unswitch_on): Ditto.
14842 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14844 (df_bb_modify): Realloc tables to the new index.
14845 (df_find_use): New function.
14846 * df.h (df_find_use): Declare.
14847 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14849 * cfgloop.h (struct rtx_iv): Remove analysed field.
14850 (iv_get_reaching_def): Removed.
14851 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14852 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14853 (loop-iv.o): Add df.h and hashtab.h dependency.
14854 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14856 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14859 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14861 (__floatundisf, __floatundidf): Likewise.
14862 * libgcc2.h (IS_IBM_EXTENDED): Define.
14864 2006-01-19 DJ Delorie <dj@redhat.com>
14866 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14868 2006-01-19 Paul Brook <paul@codesourcery.com>
14870 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14871 as nothrow when unwinding tables are disabled.
14873 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14876 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14877 of bit-field" when in system header.
14879 2006-01-19 DJ Delorie <dj@redhat.com>
14881 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14882 the 16 bit shift limit of the m16c.
14884 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14887 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14888 * config/i386/i386.c (output_set_got): Output the label if we have one
14889 for the TARGET_DEEP_BRANCH_PREDICTION case.
14891 2006-01-19 Jan Hubicka <jh@suse.cz>
14892 H.J. Lu <hongjiu.lu@intel.com>
14893 Evandro Menezes <evandro.menezes@amd.com>
14895 * invoke.texi (generic): Document
14897 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14898 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14899 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14900 (x86_use_incdec, x86_pad_returns): New variables
14901 (TARGET_CPU_DEFAULT_generic): New constant
14902 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14903 (enum processor_type): Add generic32 and generic64.
14904 * i386.md (cpu attribute): Add generic32/generic64
14905 (movhi splitter): Behave sanely when both partial_reg_dependency and
14906 partial_reg_stall are set.
14907 (K8 splitters): Enable for generic as well.
14908 * predicates.md (incdec_operand): Use TARGET_INCDEC
14909 (aligned_operand): Avoid memory mismatch stalls.
14910 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14911 * ppro.md: Enable for generic32
14912 * i386.c (generic64_cost, generic32_cost): New.
14913 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14914 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14915 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14916 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14917 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14918 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14919 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14920 x86_accumulate_outgoing_args, x86_prologue_using_move,
14921 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14922 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14923 Enable for generic.
14924 (x86_use_incdec, x86_pad_returns): New.
14925 (override_options): Add generic32 and generic64, translate "generic"
14926 to generic32/generic64 and "i686" to "generic32", refuse
14927 "generic32"/"generic64" as arch target.
14928 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14929 (ix86_reorg): Honor PAD_RETURNS.
14931 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14933 * tree-pretty-print.c (dump_generic_node): Handle
14934 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14935 * cgraph.c (cgraph_expand_queue): Rename from
14936 cgraph_analyze_queue. Update all users.
14937 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14938 cgraph_expand_queue.
14939 (cgraph_expand_all_functions): Likewise.
14940 (cgraph_finalize_pending_functions): Remove. Update callers.
14942 * tree.h (OMP_DIRECTIVE_P): Define.
14943 (OMP_PARALLEL_FN): Define.
14944 (OMP_PARALLEL_DATA_ARG): Define.
14945 (OMP_SECTIONS_SECTIONS): Define.
14946 * tree-pass.h (pass_expand_omp): Declare.
14947 * omp-low.c (struct omp_region): Declare.
14948 (struct omp_context): Remove fields 'parallel_type',
14949 'parallel_start_ix' and 'parallel_start_additional_args'.
14951 (struct omp_for_data): Rename from struct expand_omp_for_data.
14952 (omp_regions): New static variable.
14953 (root_omp_region): New static variable.
14954 (find_omp_clause): Make static.
14955 (is_in_combined_parallel_ctx): Remove.
14956 (is_combined_parallel): New.
14957 (extract_omp_for_data): Move earlier in the file.
14958 (workshare_safe_to_combine_p): New.
14959 (get_ws_args_for): New.
14960 (determine_parallel_type): Move earlier in the file.
14961 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14963 (omp_copy_decl): Likewise.
14964 (create_omp_child_function): Likewise.
14965 (lookup_omp_region): New.
14966 (dump_omp_region): New.
14967 (debug_omp_region): New.
14968 (debug_all_omp_regions): New.
14969 (new_omp_region): New.
14970 (scan_omp_parallel): If parallel_nesting_level > 1, the
14971 directive is nested within another parallel directive.
14972 Set OMP_PARALLEL_FN.
14973 (scan_omp_for): Do not try to handle combined parallel+for
14975 Remove FIXME comment.
14976 (scan_omp_nested): Remove.
14977 (scan_omp_1): Do not call scan_omp_nested when
14978 parallel_nesting_level is > 1.
14979 Do not change the DECL_CONTEXT of local variables found.
14980 (lookup_decl_in_outer_ctx): New.
14981 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14982 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14983 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14984 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14985 If CTX is nested, lookup VAR in the outer context when
14986 building copy assignment.
14987 (lower_send_clauses): Rename from expand_send_clauses.
14988 If CTX is nested, lookup VAR in the outer context when
14989 building copy assignments.
14990 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14991 If CTX is nested, lookup VAR in the outer context when
14992 building copy assignments.
14993 (expand_parallel_call): Rename from build_parallel_call.
14994 Handle combined parallel+workshare cases.
14995 Re-implement to emit code into the CFG.
14997 (expand_omp_parallel): Re-implement to emit code into the CFG.
14998 Call move_sese_region_to_fn to outline the sub-graph
14999 containing the parallel region.
15000 (expand_omp_for_1): Remove.
15001 (expand_omp_for_generic): Re-implement to emit code into the
15003 (expand_omp_for_static_nochunk): Likewise.
15004 (expand_omp_for_static_chunk): Likewise.
15005 (expand_omp_for): Likewise.
15006 (expand_omp_sections): Likewise.
15007 (remove_exit_barriers): New.
15008 (expand_omp_synch): New.
15010 (build_omp_regions_1): New.
15011 (build_omp_regions): New.
15012 (execute_expand_omp): New.
15013 (gate_expand_omp): New.
15014 (pass_expand_omp): Define.
15015 (lower_omp_sections): Rename from expand_omp_sections.
15016 Set OMP_SECTIONS_SECTIONS.
15017 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15018 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15019 (lower_omp_single): Rename from expand_omp_simple.
15020 (lower_omp_master): Rename from expand_omp_master.
15021 (lower_omp_ordered): Rename from expand_omp_ordered.
15022 (lower_omp_critical): Rename from expand_omp_critical.
15023 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15024 (lower_omp_for): Re-implement.
15025 (lower_omp_parallel): Re-implement.
15026 (lower_regimplify): Rename from expand_regimplify.
15027 (lower_omp_1): Rename from expand_omp_1.
15028 If there are syntax errors in the program, replace every
15029 OpenMP directive with NOP.
15030 Call lower_omp_* instead of expand_omp_*.
15031 (lower_omp): Rename from expand_omp.
15033 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15034 * tree-gimple.h (enum omp_parallel_type): Remove.
15035 (gimple_boolify): Declare extern.
15036 (find_omp_clause, determine_parallel_type): Remove.
15038 * gimple-low.c (lower_omp_directive): New.
15039 (lower_stmt): Call it.
15040 (record_vars_into): Move from ...
15041 (record_vars): ... here.
15042 Call record_vars_into with current_function_decl.
15044 * gimplify.c (struct gimplify_ctx): Remove fields
15045 combined_pre_p and combined_ctxp. Update users.
15046 (get_formal_tmp_var): Add documentation.
15047 (gimple_boolify): Make extern.
15048 (gimplify_expr_in_ctx): Remove. Update callers.
15049 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15050 will always be a BIND_EXPR.
15051 (gimplify_expr): Handle OMP_RETURN_EXPR.
15052 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15053 (OMP_PARALLEL): Add 3 operands.
15054 (OMP_SECTIONS): Add 1 operand.
15055 (OMP_RETURN_EXPR): Define.
15057 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15058 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15059 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15060 creating a circular free list.
15061 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15063 * tree-flow.h (move_sese_region_to_fn): Declare.
15064 (record_vars_into): Declare.
15065 * tree-cfg.c (make_omp_sections_edges): New.
15066 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15067 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15068 OMP_SECTIONS and OMP_SECTION.
15069 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15070 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15071 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15072 (gather_blocks_in_sese_region): New.
15073 (struct move_stmt_d): Declare.
15074 (move_stmt_r): New.
15075 (move_block_to_fn): New.
15076 (move_sese_region_to_fn): New.
15078 * passes.c (init_optimization_passes): Schedule
15079 pass_expand_omp after pass_init_datastructures.
15081 * tree-ssa-operands.c (get_expr_operands): Handle
15082 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15083 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15085 2006-01-19 Jeff Law <law@redhat.com>
15087 * tree-vrp.c (extract_range_from_assert): Refine the result range
15088 if the variable referenced by the ASSERT_EXPR has a range and
15089 either the tentative result range or the previous range is a
15092 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15094 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15096 2006-01-19 Jan Hubicka <jh@suse.cz>
15098 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15100 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15102 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15103 (expand_compound_operation, expand_field_assignment): Fail if the
15104 bit lengths of an extract operation are out of range.
15105 (make_extraction): Compute wanted_inner_mode based on the position
15106 and length of the extraction. Make it extraction_mode for non-constant
15107 positions, and do not modify offset in that case. When generating a
15108 new MEM, use a mode that can hold the extraction while keeping correct
15109 alignment. Remove code that supported MEMs wrapped by USEs.
15110 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15112 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15114 * config/s390/s390.md ("Y", "y"): New mode attribute.
15115 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15116 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15117 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15118 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15119 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15120 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15121 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15122 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15123 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15124 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15125 "addsi3", "subsi3"): Insn patterns removed.
15126 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15127 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15128 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15129 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15130 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15131 "*sub<mode>3_cconly2"): New insn patterns.
15132 ("addsi3", "subsi3"): New expanders.
15134 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15136 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15137 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15138 existing STMT_VINFO_VECTYPE if available.
15139 (vect_mark_relevant): Add special handling for stmts that are
15140 marked as STMT_VINFO_IN_PATTERN_P.
15141 (vect_analyze_loop): Call vect_pattern_recog.
15142 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15143 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15145 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15146 (vect_recog_func_ptr): New function-pointer type.
15147 * tree-vect-patterns.c: New file.
15148 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15149 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15150 (vect_pattern_recog_1): New functions.
15151 (vect_pattern_recog_funcs): New array of function pointers.
15153 * tree-vectorizer.h (ternary_op): New enum value.
15154 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15155 declaration. Revised documentation. Removed redundant dump prints.
15156 Removed redundant argument. Added support for reduction patterns.
15157 (vectorizable_reduction): Added support for reduction patterns.
15158 (vect_transform_stmt): Added support for patterns.
15160 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15161 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15162 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15163 (expand_widen_pattern_expr): New function.
15164 (init_optabs): Initialize new optabs udot_prod_optab,
15166 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15167 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15168 (expand_widen_pattern_expr): New function declaration.
15169 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15171 * tree-inline.c (estimate_num_insns_1): Added cases for new
15172 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15173 * tree-pretty-print.c (dump_generic_node): Likewise.
15174 (op_prio): Likewise.
15175 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15176 * tree-ssa-operands.c (get_expr_operands): Added case for
15178 * tree-vect-patterns.c (widened_name_p): New function.
15179 (vect_recog_dot_prod_pattern): Added function implementation.
15180 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15181 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15182 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15183 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15185 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15186 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15187 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15188 (init_optabs): Initialize new optabs widen_ssum_optab,
15190 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15191 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15192 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15193 use instead of type of def.
15194 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15195 function implementation.
15196 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15197 widen_ssumv8hi): New.
15199 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15202 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15205 * c-decl.c (add_flexible_array_elts_to_size): New function.
15206 (finish_decl): Use it.
15208 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15210 * diagnostic.h: Include options.h.
15211 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15212 dependancies for diagnostic.h.
15213 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15215 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15217 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15218 (ssa_ro_call_cache_valid): Ditto.
15219 * tree-ssa-alias.c (sort_tags_by_id): New function.
15220 (init_transitive_clobber_worklist): Ditto.
15221 (add_to_worklist): Ditto.
15222 (mark_aliases_call_clobbered): Ditto.
15223 (compute_tag_properties): Ditto.
15224 (set_initial_properties): Ditto.
15225 (compute_call_clobbered): Ditto.
15226 (compute_may_aliases): Call compute_call_clobbered and grouping.
15227 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15228 (compute_flow_insensitive_aliasing): Grouping now happens in our
15230 (setup_pointers_and_addressables): Remove clobbering related code.
15231 (add_may_alias): Ditto.
15232 (replace_may_alias): Ditto.
15233 (get_nmt_for): Ditto.
15234 (create_global_var):
15235 (is_escape_site): Return an escape_type enumeration.
15236 * tree-flow-inline.h (is_call_clobbered): Global var does not
15237 imply call clobbered.
15238 (mark_call_clobbered): Take a reason for marking this. Remove
15239 marking of globalness, and cache invalidation.
15240 (clear_call_clobbered): Remove cache invalidation code.
15241 * tree-dfa.c (dump_variable): If details is on, dump the reason
15243 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15245 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15246 (struct var_ann_d): Ditto.
15247 (enum escape_type): New.
15248 (mark_call_clobbered): Adjust prototype.
15249 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15250 are never call clobbered.
15251 Record reasons for escaping.
15252 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15253 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15254 (ssa_ro_call_cache_valid): Ditto.
15255 (clobbered_v_may_defs): Ditto.
15256 (clobbered_vuses): Ditto.
15257 (ro_call_vuses): Ditto.
15258 (clobber_stats): New.
15259 (init_ssa_operands): Zero out clobber stats.
15260 (fini_ssa_operands): Print out clobber stats.
15261 (get_call_expr_operands): Pass callee fndecl to
15262 add_call_read_ops).
15263 (add_call_clobber_ops): Remove use of cache.
15264 Add use of PURE_CONST information.
15265 (add_call_read_ops): Remove use of cache.
15266 Add use of static not_read information.
15268 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15270 Introduce TLS descriptors for i386 and x86_64.
15271 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15272 (TARGET_ANY_GNU_TLS): New macro.
15273 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15274 (struct machine_function): Add tls_descriptor_call_expanded_p.
15275 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15276 (ix86_current_function_calls_tls_descriptor): Likewise.
15277 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15278 (override_options): Introduce gnu2 tls dialect.
15279 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15281 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15283 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15284 (ix86_init_machine_status): Initialize new field.
15285 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15286 (ix86_tls_module_base): New.
15287 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15288 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15289 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15290 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15291 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15292 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15293 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15294 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15295 * config/i386/predicates.md (tls_modbase_operand): New.
15296 (tp_or_register_operand): New.
15298 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15300 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15301 (look_for_address_of): Ditto.
15302 (ipa_init): Walk the function decls.
15303 (static_execute): Don't set readonly on FUNCTION_DECL's.
15305 2006-01-18 Roger Sayle <roger@eyesopen.com>
15307 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15308 for shifts where the source and destination registers are different.
15310 2006-01-18 Paul Brook <paul@codesourcery.com>
15312 Merge from csl-arm-branch.
15313 2005-03-14 Julian Brown <julian@codesourcery.com>
15314 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15315 (aeabi_llsl): Likewise.
15316 (ashrdi3): Likewise.
15317 (aeabi_lasr): Likewise.
15318 (lshrdi3): Likewise.
15319 (aeabi_llsr): Likewise.
15320 2005-03-10 Julian Brown <julian@codesourcery.com>
15321 * config.gcc: Disable shared libgcc for SymbianOS.
15322 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15324 2006-01-18 DJ Delorie <dj@redhat.com>
15326 * c-pragma.c (handle_pragma_diagnostic): New.
15327 (init_pragma): Register it.
15328 * doc/extend.texi: Document it.
15330 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15331 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15332 (diagnostic_context): Add classify_diagnostic[].
15333 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15334 as errors if they're overridden to DK_WARNING.
15335 (diagnostic_initialize): Initialize classify_diagnostic[].
15336 (diagnostic_set_kind_override): New.
15337 (diagnostic_report_diagnostic): Check for kind changes.
15338 * opts.c (common_handle_option): Take lang_mask. Update callers.
15339 Handle OPT_Werror_.
15340 * common.opt (Werror=): New.
15341 * doc/invoke.texi: Document -Werror=*
15343 2006-01-18 Jeff Law <law@redhat.com>
15345 * tree-vrp.c (test_for_singularity): Correct test for new
15346 min limit. Use operand_equal_p rather than pointer equality
15347 for testing if new min/max values are equal.
15349 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15350 using range information until after propagation and folding.
15352 2006-01-18 Richard Henderson <rth@redhat.com>
15353 Aldy Hernandez <aldyh@redhat.com>
15354 Jakub Jelinek <jakub@redhat.com>
15355 Diego Novillo <dnovillo@redhat.com>
15357 * omp-low.c: New file.
15358 * c-omp.c: New file.
15360 2006-01-18 Richard Henderson <rth@redhat.com>
15361 Jakub Jelinek <jakub@redhat.com>
15362 Diego Novillo <dnovillo@redhat.com>
15364 * doc/invoke.texi: Document -fopenmp.
15365 * tree-dump.h (debug_function): Declare.
15366 * hooks.c (hook_bool_tree_bool_false): New function.
15367 (hook_tree_tree_null): Remove.
15368 (hook_tree_tree_tree_null): New.
15369 * hooks.h: Update to match.
15370 * tree-pretty-print.c (debug_tree_chain): New.
15371 (print_generic_expr): Handle TDF_CHAIN.
15372 (dump_generic_node): Handle BLOCK.
15373 Do not abort with incomplete SWITCH_EXPRs.
15374 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15375 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15376 print space after directive name.
15377 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15378 Handle OMP_MASTER and OMP_ORDERED.
15379 Handle printing of OMP_BODY just in one place, goto
15380 dump_omp_body in the rest of OMP_* nodes that have
15382 Don't handle clause nodes here. Update omp statements to
15383 use dump_omp_clauses.
15384 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15385 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15386 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15387 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15388 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15389 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15390 Adjust output for GOMP_PARALLEL.
15391 (dump_omp_clauses): New.
15392 (print_declaration): Dump DECL_VALUE_EXPR.
15393 (op_symbol_1): Split out of op_symbol.
15394 (dumping_stmts): Remove. Update all users.
15395 * cgraph.c (cgraph_analyze_queue): New.
15396 (cgraph_add_new_function): New.
15397 * cgraph.h (cgraph_analyze_queue): Declare.
15398 (cgraph_add_new_function): Declare.
15399 (cgraph_lower_function): Remove.
15400 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15401 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15402 and TYPE_P nodes in its default clause.
15403 (empty_body_p): New.
15404 (tree_range_check_failed): New.
15405 (build5_stat): New.
15406 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15407 OMP_CLAUSE_REDUCTION_MERGE,
15408 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15409 OMP_CLAUSE_PRIVATE_DEBUG,
15410 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15411 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15412 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15413 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15414 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15415 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15416 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15417 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15418 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15419 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15420 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15421 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15422 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15423 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15424 (TREE_RANGE_CHECK): New.
15425 (empty_body_p): Declare.
15426 (enum omp_clause_default_kind): New.
15427 (build_string_literal): Declare.
15428 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15429 (build5_stat, build5): Declare.
15430 * tree-pass.h (TDF_CHAIN): Define.
15431 * tree-pass.h (PROP_gimple_lomp): Define.
15432 (pass_lower_omp): Declare.
15433 * diagnostic.h (debug_tree_chain): Declare.
15434 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15436 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15437 * builtins.c (build_string_literal): Make extern.
15438 * gcc.c (include_spec_function): New.
15439 (static_spec_functions): Add it.
15440 (main): Move load of libgomp.spec ...
15441 (LINK_COMMAND_SPEC): ... here.
15442 (link_gomp_spec): New.
15443 (static_specs): Include it.
15444 (LINK_COMMAND_SPEC): Add link_gomp.
15445 (GOMP_SELF_SPECS): New.
15446 (driver_self_specs): Include it.
15447 (switch_matches): Don't mark inline.
15448 (main): Load libgomp.spec.
15449 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15450 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15451 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15452 * tree-gimple.h (enum omp_parallel): Declare.
15453 (determine_parallel_type): Declare.
15454 (omp_firstprivatize_variable): Declare.
15455 (omp_reduction_init): Declare.
15456 (diagnose_omp_structured_block_errors): Declare.
15457 (struct walk_stmt_info): Add want_return_expr.
15458 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15459 (find_omp_clause): Declare.
15460 (insert_field_into_struct): Declare.
15461 (struct walk_stmt_info): Move from tree-nested.c
15462 (walk_stmts): Declare.
15463 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15465 * cgraphunit.c (cgraph_lower_function): Make static.
15466 (cgraph_finalize_pending_functions): New.
15467 (cgraph_finalize_function): Call it.
15468 (cgraph_finalize_compilation_unit): Likewise.
15469 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15470 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15471 (BT_FN_UINT_UINT): New.
15472 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15473 DEF_FUNCTION_TYPE_VAR_4): Document.
15474 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15475 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15476 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15477 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15478 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15479 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15480 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15481 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15482 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15483 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15484 into separate files.
15485 (DEF_GOMP_BUILTIN): New.
15486 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15487 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15488 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15489 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15490 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15491 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15492 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15493 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15494 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15495 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15496 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15497 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15498 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15499 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15500 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15501 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15502 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15503 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15504 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15505 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15506 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15507 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15508 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15509 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15510 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15511 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15512 * sync-builtins.def: New file, moved from builtins.def.
15513 * omp-builtins.def: New file, moved from builtins.def.
15514 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15515 * gimple-low.c (lower_function_body): Clear data.
15516 (lower_stmt): Do not handle COMPOUND_EXPR.
15517 Remove call to print_node_brief.
15518 * c-tree.h (c_finish_omp_clauses): New prototype.
15519 (C_DECL_THREADPRIVATE_P): Define.
15520 (lookup_name_no_remap, c_omp_remap_private): Remove
15521 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15522 (check_for_loop_decls): Update decl.
15523 (lookup_name_no_remap, c_omp_remap_private): Declare.
15524 (build_indirect_ref, build_modify_expr, pushdecl,
15525 pushdecl_top_level): Move to c-common.h.
15526 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15527 before the switch, but just in the 2 places that need it.
15528 * c-decl.c (diagnose_mismatched_decls): Do not check for
15529 mismatched thread-local attributes when OLDDECL is marked
15530 threadprivate and NEWDECL has no thread-local attributes.
15531 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15532 (c_gimple_diagnostics_recursively): Rename from
15533 c_warn_unused_result_recursively. Invoke
15534 diagnose_omp_structured_block_errors.
15535 (check_for_loop_decls): Return a singular decl found.
15536 * langhooks.c (lhd_omp_predetermined_sharing): Return
15537 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15538 (lhd_omp_firstprivatize_type_sizes): New.
15539 (lhd_omp_assignment): New.
15540 (lhd_omp_predetermined_sharing): New.
15541 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15542 (struct lang_hooks_for_types): Add
15543 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15544 omp_predetermined_sharing, omp_disregard_value_expr,
15545 omp_private_debug_clause, omp_clause_default_ctor,
15546 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15547 (c_finish_omp_clauses): New.
15548 (c_finish_bc_stmt): Diagnose break within omp for.
15549 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15550 (build_unary_op): Return error_mark after reporting
15552 (build_modify_expr): Likewise.
15553 * gimplify.c: Include optabs.h and pointer-set.h.
15554 (enum gimplify_omp_var_data): Declare.
15555 (struct gimplify_omp_ctx): Declare.
15556 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15558 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15559 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15560 (splay_tree_compare_decl_uid): New.
15561 (new_omp_context): New.
15562 (delete_omp_context): New.
15563 (gimple_add_tmp_var): Call omp_add_variable.
15564 (gimplify_bind_expr): Likewise.
15565 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15566 true, disregard DECL_VALUE_EXPR on the decl if any.
15567 (gimplify_expr_in_ctx): New.
15568 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15569 omp_add_variable, omp_notice_variable, omp_is_private
15570 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15571 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15572 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15573 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15574 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15575 gimplify_omp_atomic): New.
15576 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15577 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15578 OMP_CRITICAL and OMP_ATOMIC.
15579 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15580 * c-pragma.h (enum pragma_kind): Add
15581 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15582 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15583 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15584 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15585 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15586 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15587 PRAGMA_OMP_THREADPRIVATE.
15588 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15589 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15590 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15591 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15592 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15593 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15594 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15595 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15596 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15597 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15598 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15599 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15600 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15602 (struct nesting_info): Add field_map,
15603 suppress_expansion, debug_var_chain.
15604 (create_nesting_tree): Initialize them.
15605 (lookup_field_for_decl): Use field_map.
15606 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15607 (convert_local_omp_clauses): New.
15608 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15609 (walk_body): Split out of walk_function.
15610 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15611 (convert_nonlocal_reference): Handle omp statements.
15612 (convert_local_reference): Likewise.
15613 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15614 (unnest_nesting_tree): New.
15615 (lower_nested_functions): Call it.
15616 (insert_field_into_struct): Make extern.
15617 (struct walk_stmt_info): Move to tree-gimple.h.
15618 (walk_stmts): Make extern.
15619 * omp-builtins.def: New file.
15620 * tree-iterator.c (expr_only): Clarify comment.
15621 * c-common.h (pushdecl_top_level, pushdecl,
15622 build_modify_expr, build_indirect_ref,
15623 c_finish_omp_master, c_finish_omp_critical,
15624 c_finish_omp_ordered, c_finish_omp_barrier,
15625 c_finish_omp_atomic, c_finish_omp_flush,
15626 c_finish_omp_for, c_split_parallel_clauses,
15627 omp_clause_default_kind, c_omp_sharing_predetermined,
15628 c_omp_remap_decl): Declare.
15629 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15630 (OBJS-common): Add omp-low.o.
15631 (c-omp.o, omp-low.o): Add.
15632 (gimplify.o): Add dependency on $(OPTABS_H).
15633 (GTFILES): Add omp-low.c.
15634 (gt-stringpool.h): Add.
15635 * tree-cfg.c (set_bb_for_stmt): Do not update the
15636 block-to-labels map if we are currently expanding to RTL.
15637 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15639 Handle IDENTIFIER_NODE.
15640 (tree_verify_flow_info): Do not ICE when emitting error
15641 messages about invalid labels.
15642 (dump_function_to_file): Reset CFUN before emitting the body
15644 (debug_function): New.
15645 * passes.c (init_optimization_passes): Schedule
15647 * langhooks-def.h (lhd_omp_predetermined_sharing,
15648 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15650 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15651 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15652 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15653 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15654 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15655 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15656 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15657 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15658 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15659 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15660 (LANG_HOOK_DECLS): Use them.
15662 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15663 Richard Henderson <rth@redhat.com>
15664 Jakub Jelinek <jakub@redhat.com>
15665 Diego Novillo <dnovillo@redhat.com>
15667 * c-parser.c (pragma_omp_clause): Define.
15668 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15669 (c_parser_compound_statement): Likewise.
15670 (c_parser_statement): Likewise.
15671 (c_parser_pragma): Handle omp pragmas.
15672 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15673 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15674 (c_parser_omp_clause_name, check_no_duplicate_clause,
15675 c_parser_omp_variable_list,
15676 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15677 c_parser_omp_clause_copyprivate,
15678 c_parser_omp_clause_default,
15679 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15680 c_parser_omp_clause_lastprivate,
15681 c_parser_omp_clause_nowait,
15682 c_parser_omp_clause_num_threads,
15683 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15684 c_parser_omp_clause_reduction,
15685 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15686 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15687 c_parser_omp_atomic, c_parser_omp_barrier,
15688 c_parser_omp_critical, c_parser_omp_flush,
15689 c_parser_omp_for_loop, c_parser_omp_for,
15690 c_parser_omp_master, c_parser_omp_ordered,
15691 c_parser_omp_sections_scope, c_parser_omp_sections,
15692 c_parser_omp_parallel, c_parser_omp_single,
15693 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15694 * c-pragma.c (init_pragma): Do omp pragma registration here.
15695 * c.opt (fopenmp): New flag.
15697 2006-01-18 Eric Christopher <echristo@apple.com>
15699 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15700 * config/darwin.h (GOMP_SELF_SPECS): Define.
15702 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15704 * rtl.h: Remove the prototype for reg_alloc.
15706 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15709 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15710 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15711 sjlj and dwarf2 exception handling.
15712 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15713 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15714 * pa/pa.c (function_value): Treat complex and vector types as
15716 (function_arg): Likewise. Only pass scalar floats in the floating
15717 point argument registers.
15718 * pa/t-slibgcc-dwarf-ver: New file.
15719 * pa/t-slibgcc-sjlj-ver: New file.
15720 * pa/t-slibgcc-elf-ver: Delete file.
15722 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15724 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15725 unlikely_test_section_p test.
15727 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15729 * mode-switching.c (optimize_mode_switching): Make it static.
15730 * basic-block.h: Remove the prototype for
15731 optimize_mode_switching.
15733 * modulo-sched.c (sms_schedule): Make it static.
15734 * rtl.h: Remove the prototype for sms_schedule.
15736 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15737 * rtl.h: Remove the prototype for gcse_after_reload_main.
15739 * reg-stack.c (reg_to_stack): Make it static.
15740 * rtl.h: Remove the prototype for reg_to_stack.
15742 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15744 * rtl.h: Remove the prototypes for regrename_optimize and
15745 copyprop_hardreg_forward.
15747 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15749 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15750 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15751 Test against the appropriate null constant for the mode.
15752 If 'fixup_overlap' is true, swap the operands if they overlap.
15753 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15754 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15755 alpha_split_tmode_pair and adjust for above change.
15756 * config/alpha/alpha.md (movtf_internal): Adjust call to
15757 alpha_split_tfmode_pair and rely on it to swap the operands.
15758 (movti_internal): New insn and post-reload splitter.
15759 (movti): New expander.
15761 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15763 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15766 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15768 * rtlanal.c (global_reg_mentioned_p_1,
15769 global_reg_mentioned_p): Remove.
15770 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15772 * flow.c (initialize_uninitialized_subregs): Make it static.
15773 * rtl.h: Remove the prototype for
15774 initialize_uninitialized_subregs.
15776 * function.c (instantiate_virtual_regs): Make it static.
15777 * function.h: Remove the prototype for
15778 instantiate_virtual_regs.
15780 * regmove.c (regmove_optimize, combine_stack_adjustments):
15782 * rtl.h: Remove the prototypes for regmove_optimize and
15783 combine_stack_adjustments.
15785 2006-01-17 Roger Sayle <roger@eyesopen.com>
15787 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15788 (size_cost): Encode costs in bytes so that a reg-reg addition is
15789 equivalent to COSTS_N_INSNS(1).
15790 (override_options): Use the size_cost.branch_cost as the default
15791 ix86_branch_cost when optimizing for size.
15793 2006-01-18 Ben Elliston <bje@au.ibm.com>
15795 * Makefile.in (D32PBIT_FUNCS): New.
15796 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15797 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15798 D64PBIT_FUNCS and D128PBIT_FUNCS.
15799 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15800 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15802 (decnumber_dep): Define.
15803 * doc/libgcc.texi (Decimal float library routines): New node.
15804 * config/dfp-bit.h, config/dfp-bit.c: New files.
15806 2006-01-18 Ben Elliston <bje@au.ibm.com>
15808 * expr.c (emit_move_change_mode): Always adjust addresses, not
15809 just during reload. Copy replacements only during reload.
15810 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15811 emit_move_via_integer.
15813 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15815 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15816 instead of $(srcdir) and ${srcdir}.
15818 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15821 PR middle-end/11135
15822 * arm.h (struct machine_function): Add pic_reg.
15823 * arm.c (arm_pic_register): Make unsigned.
15824 (arm_override_options): Only set arm_pic_register if
15825 TARGET_SINGLE_PIC_BASE.
15826 (use_return_insn): Only test for a pic register if it is fixed.
15827 (arm_compute_save_reg0_reg12_mask): Likewise.
15828 (thumb_compute_save_reg_mask): Likewise.
15829 (legitimate_pic_operand): Factor out some known invariants.
15830 (legitimize_pic_address): If we don't have a fixed pic register,
15831 then set up a pseudo in the function entry sequence. Handle the
15832 pic base being in a pseudo.
15833 (arm_load_pic_register): Handle the pic register being in a pseudo.
15834 (arm_expand_prologue): Only set up the pic register if it is fixed.
15835 (thumb_expand_prologue): Likewise.
15836 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15837 (pic_load_addr_based_insn): Likewise.
15838 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15841 2006-01-18 Ben Elliston <bje@au.ibm.com>
15843 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15844 decimal float modes for all floating point registers.
15846 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15847 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15849 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15852 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15853 even when the pointer is not NULL.
15855 2006-01-16 Ian Lance Taylor <ian@airs.com>
15857 * common.opt (ftoplevel-reorder): New option.
15858 * cgraph.c (cgraph_asm_nodes): New global variable.
15859 (cgraph_asm_last_node): New static variable.
15860 (cgraph_order): New global variable.
15861 (cgraph_create_node): Set new order field.
15862 (cgraph_varpool_node): Likewise.
15863 (decide_is_variable_needed): Return true if not
15864 flag_toplevel_reorder.
15865 (cgraph_add_asm_node): New function.
15866 * cgraph.h (struct cgraph_node): Add order field.
15867 (struct cgraph_varpool_node): Add order field.
15868 (struct cgraph_asm_node): Define.
15869 (cgraph_asm_nodes, cgraph_order): Declare.
15870 (cgraph_add_asm_node): Declare.
15871 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15873 (cgraph_varpool_assemble_pending_decls): Call it.
15874 (cgraph_output_pending_asms): New static function.
15875 (cgraph_finalize_compilation_unit): Call it.
15876 (struct cgraph_order_sort): Define.
15877 (cgraph_output_in_order): New static function.
15878 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15879 !flag_toplevel_reorder case.
15880 * c-parser.c: Include "cgraph.h".
15881 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15883 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15884 than -fno-unit-at-a-time.
15885 * doc/invoke.texi (Option Summary): Mention
15886 -fno-toplevel-reorder.
15887 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15888 -funit-at-a-time documentation.
15890 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15891 Kazu Hirata <kazu@codesourcery.com>
15893 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15895 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15897 * Makefile.in (FUNCTION_H): New. Use it instead of
15898 function.h throughout the file.
15899 * function.h: Include tree.h.
15901 2006-01-17 Ben Elliston <bje@au.ibm.com>
15903 * recog.c: Separate some functions with whitespace.
15905 2006-01-16 Richard Henderson <rth@redhat.com>
15907 Merge from gomp branch:
15908 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15909 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15910 and rename from struct inline_data. Rename callee* to dst*;
15911 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15912 transform_new_cfg, transform_return_to_modify, and
15913 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15915 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15916 (copy_decl_for_dup): Remove.
15917 * tree-inline.c (struct inline_data): Move to header.
15918 (insert_decl_map): Export.
15919 (remap_decl): Update for member name changes. Use copy_decl hook.
15920 Allow for replacement to be a non-decl. Remove dead code.
15921 (remap_type_1): Check for existing mapping.
15922 (remap_type): Export.
15923 (remap_decls): Update for member name changes.
15924 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15925 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15926 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15927 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15928 (tree_function_versioning, build_duplicate_type): Likewise.
15929 (copy_body_r): Likewise. Export.
15930 (copy_decl_for_dup): Split into ...
15931 (copy_decl_for_dup_finish, copy_decl_to_var,
15932 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15933 (replace_ref_tree, inlining_p): Remove.
15935 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15937 * ifcvt.c (if_convert): Make it static.
15938 * rtl.h: Remove the prototype for if_convert.
15940 * local-alloc.c (local_alloc): Make it static.
15941 * rtl.h: Remove the prototype for local_alloc.
15943 * loop.c (loop_optimize): Make it static.
15944 * cfgloop.h: Remove the prototype for loop_optimize.
15947 2006-01-16 DJ Delorie <dj@redhat.com>
15949 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15952 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15954 * pa.md: Disparage copies between general and floating-point registers
15955 in 32-bit move patterns.
15957 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15960 * Makefile.in (check-%): Depend on site.exp instead of
15961 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15964 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15966 * global.c (global_alloc): Make it static.
15967 * rtl.h: Remove the prototype for global_alloc.
15969 2006-01-16 Richard Guenther <rguenther@suse.de>
15971 * tree-ssa-alias.c (struct used_part): Add write_only field.
15972 (get_or_create_used_part_for): Initialize it to true.
15973 (create_overlap_variables_for): Don't create structure variables
15974 for structures that only are written to.
15975 (find_used_portions): Handle MODIFY_EXPR to track whether a
15976 structure is only written to.
15978 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15980 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15982 * basic-block.h: Remove the prototype for
15983 partition_hot_cold_basic_blocks.
15985 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15987 * cppspec.c (lang_specific_spec_functions): Remove.
15988 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15989 * gcc.h (lang_specific_spec_functions): Remove.
15990 * gccspec.c (lang_specific_spec_functions): Remove.
15992 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15994 * combine.c (record_value_for_reg): Invalidate registers
15996 (record_dead_and_set_regs_1): Likewise, by passing them to
15997 record_value_for_reg.
15998 (record_dead_and_set_regs): Invalidate stores made by a
15999 call. We do not combine across a call, but we still
16000 relied on equivalences.
16002 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16004 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16005 vrp_int_const_binop returning non-constant nodes.
16007 2006-01-16 Paul Brook <paul@codesourcery.com>
16009 * config/m68k/m68k.c (output_move_const_into_data_reg):
16010 Output correct mnemonic for mvz and mvs.
16012 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16014 * rtl-factoring.c: Add sequence abstraction algorithm.
16015 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16016 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16018 (block_has_preserve_label): New function.
16019 * common.opt: Register new pass.
16020 * Makefile.in: Ditto.
16022 * timevar.def: Ditto.
16023 * tree-pass.h: Ditto.
16024 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16025 * rtl.h (make_jump_insn_raw): Add forward decl.
16026 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16028 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16029 Roger Sayle <roger@eyesopen.com>
16031 * fold-const.c (fold_minmax): New static function.
16032 (fold_binary) <MIN_EXPR>: Call it.
16033 <MAX_EXPR>: Likewise.
16034 * stor-layout.c (place_field): Use DECL_SIZE consistently
16035 in the computation of the new record size.
16037 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16039 * cse.c (cse_condition_code_reg): Make it static.
16040 * rtl.h: Remove the prototype for cse_condition_code_reg.
16042 * combine.c (combine_instructions): Make it static.
16043 * rtl.h: Remove the prototype for combine_instructions.
16045 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16048 * tree.c (get_file_function_name_long): Concatenate the first global
16049 object name with a string derived from the input filename of the object
16052 2006-01-16 Ben Elliston <bje@au.ibm.com>
16054 * config/i386/winnt-stubs.c: Update FSF address.
16055 * config/xtensa/ieee754-df.S: Ditto.
16056 * config/xtensa/ieee754-sf.S: Ditto.
16058 2006-01-14 Ian Lance Taylor <ian@airs.com>
16060 * ifcvt.c (noce_init_if_info): New static function, broken out of
16061 noce_process_if_block.
16062 (noce_process_if_block): Call noce_init_if_info.
16063 (check_cond_move_block): New static function.
16064 (cond_move_process_if_block): New static function.
16065 (process_if_block): Call cond_move_process_if_block.
16067 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16069 * cselib.c (hash_table): Rename to cselib_hash_table.
16070 (cselib_clear_table, discard_useless_values,
16071 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16072 cselib_init, cselib_finish): Adjust uses of hash_table.
16074 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16076 PR tree-optimization/25485
16077 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16078 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16079 is known to be false and true, respectively.
16081 2006-01-14 Richard Guenther <rguenther@suse.de>
16083 PR tree-optimization/22548
16084 PR tree-optimization/22555
16085 PR tree-optimization/22501
16086 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16087 * params.def (salias-max-array-elements): New parameter.
16088 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16089 * doc/invoke.texi (salias-max-array-elements): Document.
16090 * tree-flow-inline.h (var_can_have_subvars): We also handle
16092 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16094 * tree-ssa-structalias.c (params.h): Include.
16095 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16096 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16097 (get_constraint_for): For ADDR_EXPR operating on something
16098 containing an ARRAY_REF, add all subvars to the solution.
16099 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16100 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16101 for creating MUST_DEFs.
16102 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16104 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16106 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16108 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16109 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16110 number_of_iterations_le): New functions.
16111 (number_of_iterations_special): Removed.
16112 (number_of_iterations_exit): Do not use number_of_iterations_special.
16113 * tree.c (unsigned_type_for): Always return integer type.
16115 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16116 Richard Guenther <rguenther@suse.de>
16118 PR rtl-optimization/24257
16119 * gcse.c (find_moveable_store): Only consider a store movable
16120 when the SET_SRC of the insn can be assigned to a register.
16122 2006-01-14 Ian Lance Taylor <ian@airs.com>
16124 * tree.c (tree_not_class_check_failed): New function.
16125 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16126 (tree_not_class_check_failed): Declare.
16128 2006-01-13 Ian Lance Taylor <ian@airs.com>
16130 * reload1.c (do_output_reload): Add assertion rejecting a
16133 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16135 * combine.c (struct reg_stat): Add new fields truncation_label and
16137 (record_value_for_reg): Reset truncated_to_mode.
16138 (record_truncated_value): New function.
16139 (check_promoted_subreg): Call it. Rename to check_conversions.
16140 (combine_instructions): Rename check_promoted_subreg to
16142 (reg_truncated_to_mode): New function.
16143 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16144 (gen_lowpart_or_truncate): New function.
16145 (force_to_mode): Use it instead of gen_lowpart.
16147 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16149 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16150 VAR is a tag, not its type tag.
16152 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16154 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16155 alternatives to match style of other entries.
16156 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16158 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16160 PR tree-optimization/25771
16161 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16164 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16167 * tree-inline.c (declare_return_variable): If the return variable
16168 was marked as a non gimple complex, set the return slot variable
16169 to be a non gimple comple variable.
16171 2006-01-13 Richard Guenther <rguenther@suse.de>
16173 * builtins.c (expand_builtin_sincos): New function.
16174 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16176 (expand_builtin): Expand sincos using expand_builtin_sincos.
16178 2006-01-12 DJ Delorie <dj@redhat.com>
16180 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16181 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16182 so that constant shifts can be split.
16183 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16184 (m32c_valid_pointer_mode): Make static.
16185 (shift_gen_func_for): New.
16186 (m32c_prepare_shift): Use it. Split large const shifts into
16188 * config/m32c/predicates.md (shiftcount_operand): Allow more
16190 (longshiftcount_operand): New.
16191 * doc/md.texi (Machine Constraints): Document In6.
16193 2006-01-13 Ben Elliston <bje@au.ibm.com>
16195 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16196 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16199 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16201 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16202 to try to avoid clobbering pieces of structures when we know
16203 something about the whole structure.
16204 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16206 2006-01-13 Ben Elliston <bje@au.ibm.com>
16208 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16209 return in memory, as this is no limitation is no longer present.
16211 2006-01-12 DJ Delorie <dj@redhat.com>
16213 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16214 mova with fb, and for fb+0 -> An.
16216 * config/m32c/mov.md (peephole2): Fix enabling logic.
16218 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16219 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16220 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16221 FINI_ARRAY_SECTION_ASM_OP): Define.
16223 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16225 (m32c_legitimize_reload_address): New logic to reload FB to An.
16226 (m32c_output_reg_push): Add newline.
16227 (m32c_output_reg_pop): Likewise.
16229 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16231 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16233 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16235 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16237 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16239 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16242 2006-01-11 Ben Elliston <bje@au.ibm.com>
16244 * rtlanal.c (find_reg_note): Assert insn is not null.
16246 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16248 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16251 2006-01-11 Jeff Law <law@redhat.com>
16253 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16255 (mark_threaded_blocks, register_jump_thread): New functions.
16256 (thread_through_all_blocks): Remove unwanted argument. No
16257 longer rely on e->aux to communicate thread target info.
16258 Call mark_threaded_blocks. Release the threaded_blocks
16259 bitmap and threaded_edges vector when complete.
16260 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16261 (threaded_blocks): Remove.
16262 (tree_ssa_dominator_optimize): Remove initialization and
16263 finalization of threaded_blocks. Simplify call to
16264 thread_through_all_blocks.
16265 (thread_across_edge): Call register_jump_thread rather than
16266 storing thread information into e->aux.
16267 (free_all_edge_infos): Simplify now that e->aux is no longer
16268 used to communicate with thread_through_all_blocks.
16269 * tree-flow.h (thread_through_all_blocks): Update prototype.
16270 (register_jump_thread): Prototype.
16272 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16274 * df-core.c (df_compact_blocks, df_bb_replace): Use
16275 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16277 2006-01-11 Richard Guenther <rguenther@suse.de>
16279 PR tree-optimization/25734
16280 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16281 stop propagation after successful propagation to the LHS.
16283 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16285 * basic-block.h (control_flow_graph): Change the type of
16286 x_basic_block_info to VEC(basic_block,gc) *.
16287 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16289 (SET_BASIC_BLOCK): New.
16290 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16291 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16292 * cfgbuild.c (find_basic_blocks): Likewise.
16293 * cfglayout.c (fixup_reorder_chain): Likewise.
16294 * cfgrtl.c (create_basic_block_structure,
16295 rtl_create_basic_block): Likewise.
16296 * ifcvt.c (find_if_case_1): Likewise.
16297 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16300 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16302 * Makefile.in: Removed rotted odf.c entry.
16304 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16307 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16308 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16309 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16310 output pattern modifier, not %e.
16311 * config/cris/cris.c (cris_op_str): Update comment about pattern
16313 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16314 before falling through into...
16315 <case 'E'>: Redefined from old 'e' case.
16317 2006-01-11 Jan Hubicka <jh@suse.cz>
16320 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16322 2006-01-11 Jan Hubicka <jh@suse.cz>
16324 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16325 * i386.c (x86_decompose_lea): Kill.
16326 (ix86_rtx_costs): Kill.
16328 2006-01-11 Jan Hubicka <jh@suse.cz>
16330 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16331 * cgraph.h (cgraph_node): Add inline_decl.
16332 (cgraph_insert_node_to_hashtable): Declare.
16333 (save_inline_function_body): Declare.
16334 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16336 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16337 (cgraph_function_versioning): Update call of tree_function_versioning.
16338 (save_inline_function_body): New function.
16339 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16340 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16341 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16342 (cgraph_default_inline_p): Likewise.
16343 (cgraph_decide_inlining_incrementally): Likewise.
16344 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16345 (copy_bb): Kill saving; do updating of clones.
16346 (copy_cfg_body): Kill saving.
16347 (initialize_inlined-parameters): Likewise.
16348 (expand_call_inline): Likewise.
16350 (tree_function_versioning): New parameter "update_clones".
16351 (inlining_p): Kill saving.
16352 * tree-inline.h (tree_function_versioning): Update prototype.
16353 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16356 2006-01-11 Ian Lance Taylor <ian@airs.com>
16358 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16359 Allow undoing set of machine mode.
16360 (do_SUBST): Use enums instead of is_int.
16361 (do_SUBST_MODE): New function.
16362 (SUBST_MODE): New macro.
16363 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16364 reg and trying to replace reg_regno_rtx with a new register.
16365 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16366 (simplify_set): Use SUBST_MODE.
16367 (distribute_notes): Remove code that tried to update reg notes
16368 for regno_reg_rtx changes.
16370 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16372 PR tree-optimization/23109
16373 PR tree-optimization/23948
16374 PR tree-optimization/24123
16376 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16377 * tree-cfg.c (single_noncomplex_succ): New.
16378 * tree-flow.h (single_noncomplex_succ): Declare it.
16379 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16380 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16381 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16382 insert_bb, register_division_in, insert_reciprocals,
16383 replace_reciprocal, free_bb): New.
16384 (execute_cse_reciprocals_1): Rewritten.
16385 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16386 Do not commit any edge insertion. Always compute dominators and
16387 create the allocation pool.
16388 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16389 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16390 * targhooks.c (default_min_divistions_for_recip_mul): New.
16391 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16392 * passes.c (init_optimization_passes): Run recip after tree loop
16394 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16396 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16397 Kenneth Zadeck <zadeck@naturalbridge.com>
16399 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16400 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16401 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16402 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16403 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16404 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16405 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16406 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16407 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16408 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16409 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16410 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16411 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16412 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16413 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16414 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16415 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16416 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16417 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16418 DF_SCAN_POST_ALLOC): New macros.
16419 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16420 df_free_bb_function, df_local_compute_function, df_init_function,
16421 df_dataflow_function, df_confluence_function_0,
16422 df_confluence_function_n, df_transfer_function,
16423 df_finalizer_function, df_free_function, df_dump_problem_function,
16424 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16425 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16426 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16427 df_urec_bb_info, ) New types.
16428 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16430 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16431 df_analyze_simple_change_some_blocks,
16432 df_analyze_simple_change_one_block, df_compact_blocks,
16433 df_bb_replace, df_bb_regno_last_use_find,
16434 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16435 df_insn_regno_def_p, df_find_def, df_find_use,
16436 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16437 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16438 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16439 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16440 debug_df_chain, df_get_dependent_problem, df_chain_create,
16441 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16442 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16443 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16444 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16445 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16446 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16447 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16448 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16449 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16450 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16451 df_reorganize_refs, df_set_state, df_hard_reg_init,
16452 df_read_modify_subreg_p) New public functions.
16453 * df-core.c: The core dataflow solver and glue routines for rtl
16455 (df_init, df_add_problem, df_set_blocks, df_finish,
16456 df_hybrid_search_forward, df_hybrid_search_backward,
16457 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16458 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16459 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16460 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16461 df_reg_defined, df_find_use, df_reg_used, df_dump,
16462 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16463 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16464 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16465 debug_df_useno, reset_df_after_reload): New functions.
16466 * df-scan.c: The scanning fuctions, once in df.c, completely
16467 rewritten so that they now fully model the functionality of
16468 register usage at the backend.
16469 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16470 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16471 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16472 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16473 df_get_artificial_defs, df_get_artificial_uses,
16474 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16475 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16476 df_refs_delete, df_reorganize_refs, df_set_state,
16477 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16478 df_def_record_1, df_defs_record, df_uses_record,
16479 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16480 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16481 df_record_exit_block_uses, df_hard_reg_init): New functions.
16483 * df-problems.c: Seven concrete dataflow problems that use the
16484 scanning in df-scan.c and are solved by the engine in df-core.c.
16485 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16486 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16487 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16488 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16489 df_ru_free_bb_info, df_ru_alloc,
16490 df_ru_bb_local_compute_process_def,
16491 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16492 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16493 df_ru_transfer_function, df_ru_free, df_ru_dump,
16494 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16495 df_rd_free_bb_info, df_rd_alloc,
16496 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16497 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16498 df_rd_transfer_function, df_rd_free, df_rd_dump,
16499 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16500 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16501 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16502 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16503 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16504 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16505 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16506 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16507 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16508 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16509 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16510 df_urec_mark_reg_use_for_earlyclobber,
16511 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16512 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16513 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16514 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16515 df_chain_create_bb_process_use, df_chain_create_bb,
16516 df_chain_finalize, df_chain_free, df_chains_dump,
16517 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16518 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16519 df_reg_lifetime): New functions.
16520 * df.c: Deleted file.
16521 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16522 consistent with new df api.
16523 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16524 rest_of_handle_sms): Ditto.
16525 * web.c (unionfind_union, union_defs, entry_register, web_main):
16527 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16528 invariant_expr_equal_p, find_defs, check_dependencies,
16529 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16530 free_inv_motion_data, move_loop_invariants): Ditto.
16531 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16532 Update dependencies.
16533 (odf.c): Added defective entry that was deleted later in day.
16534 * sched-deps.c (sched_analyze_1): Ditto.
16536 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16538 * tree-ssa-operands.c (get_expr_operands): Record addressable
16539 variables directly. Do not call add_stmt_operands for CONST_DECLs
16541 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16542 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16544 2006-01-11 Ben Elliston <bje@au.ibm.com>
16546 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16547 function returns true in the positive case.
16549 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16552 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16553 for SI, DI, SF and DF modes. Add alternatives to copy between
16554 general and floating point registers to the 32-bit patterns.
16555 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16556 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16557 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16558 generating 64-bit code.
16559 * config/pa/pa.c (output_move_double): Handle copies between general
16560 and floating registers.
16562 2006-01-10 Stuart Hastings <stuart@apple.com>
16564 * config/i386/i386.md (set_got): Update.
16565 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16566 (builtin_setjmp_receiver): Mach-O support.
16567 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16568 (GOT_SYMBOL_NAME): Define.
16569 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16570 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16571 * config/i386/i386.c (override_options): Revise for Darwin.
16572 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16573 support. (darwin_x86_file_end): New. (output_set_got): Add label
16574 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16575 * config/i386/i386-protos.h (output_set_got): Likewise.
16576 * config/darwin.c (machopic_legitimize_pic_address): Update
16579 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16581 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16582 when MODE isn't BLKmode.
16584 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16586 PR rtl-optimization/25367
16587 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16589 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16592 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16593 for a negative bound.
16595 2006-01-10 Richard Guenther <rguenther@suse.de>
16597 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16598 Never override with anything constraint.
16600 2006-01-10 Jan Beulich <jbeulich@novell.com>
16602 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16603 256 bits when optimize_size.
16605 2006-01-10 Jan Beulich <jbeulich@novell.com>
16607 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16609 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16610 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16613 2006-01-10 Ben Elliston <bje@au.ibm.com>
16615 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16617 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16618 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16619 (USE_FP_FOR_ARG): Reject decimal float modes.
16620 (function_arg_advance): Likewise.
16621 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16622 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16623 point types in AltiVec vectors.
16624 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16625 (rs6000_libcall_value): Likewise.
16627 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16629 * config/xtensa/ieee754-df.S: New file.
16630 * config/xtensa/ieee754-sf.S: New file.
16631 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16632 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16633 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16635 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16637 * config/sh/predicates.md (binary_float_operator,
16638 binary_logical_operator, commutative_float_operator,
16639 equality_comparison_operator, greater_comparison_operator,
16640 less_comparison_operator, logical_operator,
16641 noncommutative_float_operator, shift_operator,
16642 symbol_ref_operand, unary_float_operator): Remove redundant
16645 2006-01-09 Jeff Law <law@redhat.com>
16647 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16648 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16649 now unused arguments. Callers updated.
16650 (eliminate_redundant_computations): Remove now unused arguments,
16652 (local_fold): Remove, no longer used.
16653 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16655 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16656 (simplify_cond): New function.
16657 (forward_propagate_into_cond): Call simplify_cond.
16659 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16661 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16662 (*vec_extractv2di_1_sse): New.
16664 2006-01-09 Ben Elliston <bje@au.ibm.com>
16666 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16668 2006-01-08 Richard Guenther <rguenther@suse.de>
16670 * tree-ssa-structalias.c (get_constraint_for): Remove
16671 anyoffset argument.
16672 (get_constraint_for_component_ref): Likewise.
16673 (do_deref): Likewise.
16674 (get_constraint_for): Likewise.
16675 (do_structure_copy): Likewise.
16676 (handle_ptr_arith): Likewise.
16677 (find_func_aliases): Likewise. Remove unused need_anyoffset
16680 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16681 Kaz Kojima <kkojima@gcc.gnu.org>
16683 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16684 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16685 (EXTRA_CONSTRAINT_C16): Remove.
16686 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16687 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16688 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16689 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16690 constants of SHmedia. Handle nested constant expressions of
16692 (andcosts): Fix the costs for SHmedia constants.
16693 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16694 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16695 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16696 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16697 (movv4hi_i, movv2si_i): Likewise.
16698 (movsi_const): Adjust the second operand of ior so to match with
16699 the Csu constraint.
16700 (movdi_const, movdi_const_32bit): Likewise.
16701 (movdi_const_16bit+1): Don't sign-extend LOW.
16702 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16704 (*double_shori): Fix the split condition. Use GEN_INT instead
16705 of get_int_mode calls. Mask lower 16-bit of the argument of
16707 (sym2GOTPLT): Remove.
16708 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16710 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16711 instead of EXTRA_CONSTRAINT_C16.
16713 2006-01-07 Ian Lance Taylor <ian@airs.com>
16714 David Edelsohn <edelsohn@gnu.org>
16716 PR rtl-optimization/25662
16717 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16718 for constant operands instead of simplify_gen_binary.
16719 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16720 after trying simplify_binary_operation
16722 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16724 * tree.c (iterative_hash_expr): Hash decls based on UID.
16726 2006-01-06 Eric Christopher <echristo@apple.com>
16728 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16729 (TARGET_UNWIND_EMIT): Fix spelling.
16730 * target.h (gcc_target): Add except_table_label.
16731 * except.c (output_function_exception_table): Use.
16732 * varasm.c (default_emit_except_table_label): New.
16733 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16735 (asm_out): Add here.
16736 * output.h (default_emit_except_table_label): Prototype.
16737 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16738 * config/darwin.c (darwin_emit_except_table_label): Define.
16739 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16741 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16743 PR tree-optimization/18527
16744 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16745 number_of_iterations_special, number_of_iterations_exit):
16746 Move base and step of an iv to a single structure. Add
16747 no_overflow flag, and use it in # of iterations analysis.
16748 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16749 folded_casts argument.
16750 (simple_iv): Pass base and step in a structure. Set no_overflow
16752 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16753 Evaluate expensiveness of computing # of iterations instead of
16754 the final expression.
16755 * tree-scalar-evolution.h (affine_iv): New structure.
16756 (simple_iv): Declaration changed.
16757 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16758 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16759 find_givs_in_stmt): Changed due to simple_iv change.
16761 2006-01-06 Jeff Law <law@redhat.com>
16764 * tree-cfg.c (bsi_replace): Rename final argument from
16765 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16766 change (stmt -> orig_stmt).
16767 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16768 (bsi_remove): Add new argument. Remove EH information
16770 (verify_eh_throw_table_statements): New function.
16771 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16773 * tree-optimize.c (execute_free_cfg_annotations): Verify
16774 the EH throw statement table after removing annotations.
16775 * except.h (verify_eh_throw_table_statements): Prototype.
16776 * tree-flow.h (bsi_remove): Update prototype.
16777 * tree-vrp.c (remove_range_assertions): Add new argument to
16779 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16780 * tree-complex.c (expand_complex_div_wide): Likewise.
16781 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16782 * tree-tailcall.c (eliminate_tailcall): Likewise.
16783 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16784 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16785 * tree-nrv.c (tree_nrv): Likewise.
16786 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16787 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16788 (combine_blocks): Likewise.
16789 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16790 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16791 (cleanup_control_flow): Likewise.
16792 (remove_forwarder_block): Likewise.
16793 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16794 * tree-sra.c (sra_replace): Likewise.
16795 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16796 (forward_propagate_single_use_vars): Likewise.
16797 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16798 * tree-inline.c (expand_call_inline): Likewise.
16799 * tree-vect-transform.c (vect_transform_loop): Likewise.
16800 * tree-outof-ssa.c (rewrite_trees): Likewise.
16801 * tree-cfg.c (make_goto_expr_edges): Likewise.
16802 (cleanup_dead_labels): Likewise.
16803 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16804 (bsi_move_before, bsi_move_after): Likewise.
16805 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16806 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16808 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16811 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16813 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16814 on non gimple variables. Also add checks at the top for decls and
16816 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16818 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16819 and IMAGPART_EXPR for creating MUST_DEFs.
16820 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16821 and NAME_MEMORY_TAG separately from the DECLs.
16823 2006-01-06 Richard Guenther <rguenther@suse.de>
16825 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16826 annotation, if necessary.
16827 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16828 redundant calls to update_stmt.
16829 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16832 2006-01-05 Richard Henderson <rth@redhat.com>
16834 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16836 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16838 * c-typeck.c: Update copyright date.
16840 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16842 * c-typeck.c (build_c_cast): Always warn when casting
16843 from a pointer to an integer of different size, even if
16844 the node was constant.
16846 2006-01-05 Richard Guenther <rguenther@suse.de>
16848 PR tree-optimization/22555
16849 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16850 if one structure field is an array.
16851 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16852 operands even if we found a subvar, but ignore VOPs in this
16854 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16856 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16858 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16860 PR middle-end/24998
16861 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16863 2006-01-05 Richard Guenther <rguenther@suse.de>
16864 Diego Novillo <dnovillo@redhat.com>
16866 * tree-pass.h (TODO_remove_unused_locals): Define.
16867 * gimple-low.c (expand_var_p, remove_useless_vars,
16868 pass_remove_useless_vars): Remove. Update all users.
16869 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16870 (remove_unused_locals): New function.
16871 * tree-flow.h (remove_unused_locals): Declare.
16872 * passes.c (execute_todo): Call remove_unused_locals if
16873 TODO_remove_unused_locals is set.
16874 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16875 * tree-ssa-dce.c (pass_dce): Likewise.
16876 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16878 2006-01-05 Richard Guenther <rguenther@suse.de>
16880 * tree-flow.h (struct fieldoff): Decompose field to
16881 type, size and decl.
16882 * tree-ssa-alias.c (create_sft): Take type as parameter.
16883 (create_overlap_variables_for): Store type, size and decl
16884 in the fieldoff structure.
16885 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16886 of struct fieldoff.
16887 (push_fields_onto_fieldstack): Likewise.
16888 (create_variable_info_for): Likewise. Use offset for the
16889 SFT name if the decl is not available.
16891 2006-01-04 Paul Brook <paul@codesourcery.com>
16893 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16895 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16897 * lambda-code.c (can_put_in_inner_loop): Relax
16899 (can_put_after_inner_loop): New function.
16900 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16901 (perfect_nestify): Change to make copies and modify uses.
16903 2006-01-04 Richard Henderson <rth@redhat.com>
16905 Merge from gomp branch:
16906 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16907 via integer constant.
16908 (pragma_lex): Remove.
16909 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16910 rather than parsing it.
16911 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16912 handle_pragma_extern_prefix): Add %< %> quotes.
16913 (registered_pragmas): New.
16914 (c_register_pragma_1): New.
16915 (c_register_pragma): Use it.
16916 (c_register_pragma_with_expansion): Likewise.
16917 (c_invoke_pragma_handler): New.
16918 (init_pragma): Use cpp_register_deferred_pragma directly for
16920 * c-pragma.h (enum pragma_kind): New.
16921 (pragma_handler): New.
16922 (c_invoke_pragma_handler): Declare.
16923 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16925 * c-common.h (c_common_pch_pragma): Update decl.
16926 * Makefile.in (c-parser.o): Update dependencies.
16927 (GTFILES): Add c-pragma.h.
16928 * c-parser.c (struct c_token): Add pragma_kind.
16929 (struct c_parser): Add in_pragma.
16930 (c_lex_one_token): Always initialize keyword and pragma_kind.
16931 Extract data for CPP_PRAGMA.
16932 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16933 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16934 Don't allow CPP_PRAGMA_EOL if in_pragma.
16935 (c_parser_consume_pragma): New.
16936 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16937 (c_parser_skip_to_end_of_parameter): Likewise.
16938 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16939 (c_parser_skip_to_pragma_eol): New.
16940 (c_parser_external_declaration): Handle CPP_PRAGMA.
16941 (c_parser_compound_statement_nostart): Likewise.
16942 (c_parser_statement_after_labels): Likewise.
16943 (c_parser_pragma): New.
16944 (pragma_lex): Likewise.
16945 (c_parser_pragma_pch_preprocess): New.
16946 (c_parser_new): Merge into ...
16947 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16949 2006-01-04 Jeff Law <law@redhat.com>
16952 * tree-cfg.c (bsi_replace): Remove the original statement
16953 from the EH throw statement table.
16955 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16957 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16958 make the prototype extern "C" and add throw ().
16961 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16962 and pos non-negative and pos + len <= 32.
16963 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16964 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16965 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16968 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16969 as well as sizes not multiple of component size.
16972 * function.c (instantiate_expr): New function.
16973 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16974 walk its DECL_VALUE_EXPR with instantiate_expr.
16976 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16977 DW_OP_deref{,_size} if address isn't going to be added.
16979 2006-01-04 Ben Elliston <bje@au.ibm.com>
16981 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16982 * config/fp-bit.c: Likewise.
16984 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16986 * dominance.c: Add comment about why we use DFS numbering
16989 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16990 Richard Henderson <rth@redhat.com>
16992 Merge from gomp-branch:
16993 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16994 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16996 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16998 PR rtl-optimization/25578
16999 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17000 pass a parameter to simplify_shift_const if changing ASHIFTRT
17003 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17005 * builtins.c (get_builtin_sync_mem): New function.
17006 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17007 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17008 Call get_builtin_sync_mem to generate mem rtx.
17010 2006-01-03 Richard Guenther <rguenther@suse.de>
17013 * stmt.c (add_case_node): Make sure to clear overflow flags
17016 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17018 Merge from gomp-branch.
17019 * config/sparc/sync.md: New file.
17020 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17021 UNSPECV_LDSTUB): New constants.
17022 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17023 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17024 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17027 2006-01-03 Roger Sayle <roger@eyesopen.com>
17029 * combine.c (reg_subword_p): New predicate to test whether the
17030 destination of a set refers to a subword/piece of a register.
17031 (try_combine): Generalize the code to merge the setting of a
17032 pseudo to a constant followed by a set of a subword of that
17033 register to a constant.
17035 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17037 * basic-block.h (control_flow_graph): Change the type of
17038 x_label_to_block_map to VEC(basic_block,gc) *.
17039 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17040 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17042 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17043 VEC(basic_block,heap) *.
17044 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17045 ssa_prop_fini): Adjust the uses of cfg_blocks.
17047 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17049 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17051 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17052 hashing trees instead of a pointer hash.
17053 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17054 compare for MEM_EXPR.
17056 PR rtl-optimization/25130
17057 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17058 when comparing MEMs for GCSE
17060 2006-01-03 Ben Elliston <bje@au.ibm.com>
17062 * targhooks.h (default_decimal_float_supported_p): Declare.
17063 * targhooks.c (default_decimal_float_supported_p): Define.
17064 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17065 `default_decimal_float_supported_p'.
17066 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17068 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17070 * combine.c (apply_distributive_law <SUBREG>): Check
17071 TRULY_NOOP_TRUNCATION.
17073 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17075 * dwarf2out.c (have_switched_text_section): Delete.
17076 (have_multiple_function_sections): New.
17077 (have_location_lists): Make 'bool'.
17078 (add_AT_loc_list): Use 'true' not '1'.
17079 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17080 (output_loc_list): Use have_multiple_function_sections.
17081 (output_ranges): Likewise.
17082 (dwarf2out_begin_function): Set have_multiple_function_sections if
17084 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17085 Check function_section rather than DECL_SECTION_NAME.
17086 (dwarf2out_finish): Use have_multiple_function_sections.
17087 Don't clear have_location_lists.
17089 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17090 Jan Hubicka <jh@suse.cz>
17092 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17093 case of conditional jump jumping to the next instruction.
17094 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17095 cases of conditional jump jumping to the next instruction.
17097 2006-01-02 Jan Hubicka <jh@suse.cz>
17099 * i386.c (*_cost): Add COSTS_N_INSNS.
17100 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17102 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17105 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17107 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17109 * config/arm/arm.c (all_fpus): Fix comment typo.
17110 * config/darwin.c: Likewise.
17111 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17112 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17113 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17115 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17117 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17118 (rs6000_split_compare_and_swapqhi): New.
17119 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17120 (sync_compare_and_swapqhi_internal): New.
17121 * config/rs6000/rs6000-protos.h: Declare.