1 2010-02-21 Tobias Burnus <burnus@net-b.de>
4 * doc/invoke.texi (-fassociative-math): Document that this
5 option is automatically enabled for Fortran.
7 2010-02-20 David S. Miller <davem@davemloft.net>
9 * configure.ac: Test if linker and assembler properly support
10 GOTDATA_OP relocations.
12 * config.in: Likewise.
13 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
14 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
15 (movsi_high_pic): Likewise.
16 (movdi_lo_sum_pic): Likewise.
17 (movdi_high_pic): Likewise.
18 (movsi_pic_gotdata_op): New pattern.
19 (movdi_pic_gotdata_op): Likewise.
20 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
21 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
23 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
26 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
28 (xop_mulv2div2di3_high): Ditto.
30 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
33 * c.opt (Wconversion-null): New option.
34 * doc/invoke.texi (Wconversion-null): Document.
36 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
38 * common.opt (Wlarger-than-): Add Undocumented.
40 2010-02-19 Mike Stump <mikestump@comcast.net>
42 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
44 2010-02-19 Jason Merrill <jason@redhat.com>
47 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
48 * configure: Likewise.
50 2010-02-20 Alan Modra <amodra@gmail.com>
53 * cgraph.h (cgraph_make_decl_local): Declare.
54 * cgraph.c (cgraph_make_decl_local): New function.
55 (cgraph_make_node_local): Use it.
56 * cgraphunit.c (cgraph_function_versioning): Likewise.
57 * ipa.c (function_and_variable_visibility): Likewise.
59 2010-02-19 Jakub Jelinek <jakub@redhat.com>
62 * except.c (sjlj_emit_function_enter): Don't call
63 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
65 * rtl.h (add_reg_br_prob_note): Remove prototype.
67 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
70 * c-common.c (conversion_warning): Remove widening conversions
71 before checking the conversion of integers to reals.
73 2010-02-19 Mike Stump <mikestump@comcast.net>
76 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
79 * cgraphunit.c (process_function_and_variable_attributes): Check
80 DECL_PRESERVE_P instead of looking up attribute "used".
81 * ipa-pure-const.c (check_decl): Likewise.
82 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
83 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
84 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
85 instead of attribute "used".
86 * config/sol2-c.c (solaris_pragma_init): Likewise.
87 (solaris_pragma_fini): Likewise.
89 2010-02-19 Jakub Jelinek <jakub@redhat.com>
91 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
92 Use XCNEW instead of xcalloc.
93 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
94 XNEW instead of xmalloc.
95 (get_fields): Use XNEWVEC instead of xmalloc.
98 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
100 (create_new_general_access): For debug stmts just reset value.
101 (get_stmt_accesses): For accesses within debug stmts just record them
102 using add_access_to_acc_sites instead of preventing the peeling or
103 counting them as accesses.
106 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
108 2010-02-19 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/42916
111 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
114 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
116 * configure.ac: Replace all uses of changequote in macro arguments
119 2010-02-19 Jakub Jelinek <jakub@redhat.com>
122 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
124 2010-02-19 Richard Guenther <rguenther@suse.de>
126 PR tree-optimization/42944
127 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
128 test for aliasing with errno.
130 2010-02-19 Jakub Jelinek <jakub@redhat.com>
133 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
134 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
135 * dojump.c: Include output.h.
136 (inv): New inline function.
137 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
138 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
139 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
140 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
141 argument, pass it down to other calls.
142 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
143 add REG_BR_PROB note to the conditional jump.
144 * cfgexpand.c (add_reg_br_prob_note): Removed.
145 (expand_gimple_cond): Don't call it, add the probability
146 as last argument to jumpif_1/jumpifnot_1.
147 * Makefile.in (dojump.o): Depend on output.h.
148 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
150 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
151 * stmt.c (do_jump_if_equal): Likewise.
152 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
153 * loop-unswitch.c (compare_and_jump_seq): Likewise.
154 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
156 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
157 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
159 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
161 (store_expr): Adjust jumpifnot caller.
162 (store_constructor): Adjust jumpif caller.
165 * gimplify.c (gimple_boolify): For __builtin_expect call
166 gimple_boolify also on its first argument.
168 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
170 * configure.ac (gnu-unique-object): Wrap regexps using [] in
172 (__stack_chk_fail): Ditto. Remove quadrigraphs.
173 * configure: Regenerated.
175 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
177 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
178 lang_hooks.types_compatible_p instead of comptypes.
180 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
182 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
183 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
184 if __prefer_thumb__ is defined.
186 2010-02-18 Martin Jambor <mjambor@suse.cz>
188 PR tree-optimization/43066
189 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
190 array with zero-sized element type.
192 2010-02-18 Jakub Jelinek <jakub@redhat.com>
194 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
195 rtx, allocate struct var_loc_node here and return it to the
196 caller, and only if it is actually needed.
197 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
198 move it earlier and return immediately if it returns NULL.
200 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
202 * config/sparc/gas.h: New file. Restore
203 TARGET_ASM_NAMED_SECTION to its ELF default.
204 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
206 * config/sparc/sparc.c (sparc_elf_asm_named_section):
207 Likewise. Add ATTRIBUTE_UNUSED to prototype.
208 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
211 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
213 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
215 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
217 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
218 patterns from predicated pattern.
220 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
223 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
224 for insn mnemonic suffix.
226 2010-02-17 Richard Guenther <rguenther@suse.de>
228 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
231 2010-02-17 Jakub Jelinek <jakub@redhat.com>
234 * caller-save.c (save_call_clobbered_regs): If BB ends with
235 a DEBUG_INSN, move any notes in between last real insn and the last
236 DEBUG_INSN after the last DEBUG_INSN.
238 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
240 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
241 Fix return type. Fix argument type. Explain meaning of return value.
243 2010-02-16 Richard Guenther <rguenther@suse.de>
245 PR tree-optimization/41043
246 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
247 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
249 (vrp_visit_phi_node): ... but only for loop PHI nodes.
251 2010-02-16 Ira Rosen <irar@il.ibm.com>
253 PR tree-optimization/43074
254 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
255 * tree-vect-loop.c (vect_analyze_loop_operations): Add
256 vectorizable cycles in hybrid SLP check.
257 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
259 2010-02-16 Richard Guenther <rguenther@suse.de>
261 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
262 (true_dependence): If memrefs_conflict_p computes must-alias
263 trust it. Move TBAA check after offset-based disambiguation.
264 (canon_true_dependence): Likewise.
266 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
268 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
269 * doc/invoke.texi: Document it.
270 * var-tracking.c: Include toplev.h and params.h.
271 (vt_find_locations): Return bool indicating success. Compute
272 hash sizes unconditionally. Check new parameter, report.
273 (variable_tracking_main_1): Check vt_find_locations results and
274 retry. Renamed from...
275 (variable_tracking_main): ... this. New wrapper to preserve
276 flag_var_tracking_assignments.
277 * Makefile.in (var-tracking.o): Adjust dependencies.
279 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
280 Jakub Jelinek <jakub@redhat.com>
283 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
284 if weak_import attribute is present.
285 * config/darwin.c (machopic_select_section): Likewise.
287 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
289 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
290 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
291 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
292 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
294 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
296 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
299 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
300 Rewrite text to refer to the names.
302 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
304 * config/i386/i386-builtin-types.def
305 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
306 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
307 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
308 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
309 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
310 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
311 IX86_BUILTIN_VPERMIL2PS256.
312 (MULTI_ARG_4_DF2_DI_I): Defined.
313 (MULTI_ARG_4_DF2_DI_I1): Defined.
314 (MULTI_ARG_4_SF2_SI_I): Defined.
315 (MULTI_ARG_4_SF2_SI_I1): Defined.
316 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
317 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
318 __builtin_ia32_vpermil2ps256.
319 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
320 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
321 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
322 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
323 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
324 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
325 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
326 CODE_FOR_xop_vpermil2v8sf3.
327 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
328 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
329 * config/i386/xopintrin.h (_mm_permute2_pd): New.
330 (_mm256_permute2_pd): New.
331 (_mm_permute2_ps): New.
332 (_mm256_permute2_ps): New.
334 2010-02-15 Nick Clifton <nickc@redhat.com>
336 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
337 boolean parameters. Use emit_jump_insn when emitting a pop
338 instruction containing a return insn.
339 (push): Use 'true' rather than '1' as second parameter to F.
340 (h8300_expand_prologue): Likewise.
341 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
342 (h8300_expand_epilogue): Likewise.
344 2010-02-15 Richard Guenther <rguenther@suse.de>
347 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
350 2010-02-15 Nick Clifton <nickc@redhat.com>
352 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
355 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
357 * intl.c (fake_ngettext): New function.
358 * intl.h (fake_ngettext): Declare.
359 (ngettext): Define macro.
360 * collect2.c (notice_translated): New function.
361 (main): Use notice_translated and ngettext.
362 * collect2.h (notice_translated): Declare.
364 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
366 * reorg.c (delete_computation): Comment fixes.
367 * caller-save.c (setup_save_areas): Idem.
368 * sel-sched-dump.c (dump_lv_set): Idem.
371 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
373 * config/s390/s390.c (s390_sched_init): New function.
374 (TARGET_SCHED_INIT): Target hook defined.
376 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
377 Jack Howarth <howarth@bromo.med.uc.edu>
378 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
381 Partial revert of unintended change in fix for PR41605.
382 * config/darwin.h: Fix typo.
383 * config/darwin9.h: Same.
385 2010-02-11 Jakub Jelinek <jakub@redhat.com>
387 * c-pch.c (pch_init): Clear v.
389 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
392 * graphite-scop-detection.c (graphite_can_represent_scev): Call
393 graphite_can_represent_init for MULT_EXPR.
395 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
399 * graphite-sese-to-poly.c (remove_phi): New.
400 (translate_scalar_reduction_to_array): Call remove_phi.
402 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
405 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
406 * graphite-clast-to-gimple.h (gloog): Update declaration.
407 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
408 * graphite-poly.h (struct poly_bb): Add missing comments.
409 (struct scop): Add poly_scop_p field.
411 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
412 * graphite.c (graphite_transform_loops): Build the polyhedral
413 representation for each scop before code generation.
414 * sese.c (rename_variables_in_operand): Removed.
415 (rename_variables_in_expr): Return the renamed expression.
416 (rename_sese_parameters): New.
417 * sese.h (rename_sese_parameters): Declared.
419 2010-02-11 Richard Guenther <rguenther@suse.de>
421 PR tree-optimization/42998
422 * tree-ssa-pre.c (create_expression_by_pieces): Treat
423 POINTER_PLUS_EXPR properly.
425 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
426 Changpeng Fang <changpeng.fang@amd.com>
429 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
430 the cost of an IV candidate when the IV is used in a test against zero.
432 * gcc.dg/tree-ssa/ivopts-3.c: New.
434 2010-02-11 Richard Guenther <rguenther@suse.de>
437 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
438 pointer-vs-decl case by swapping refs. Handle some cases
439 of pointer-vs-decl disambiguations more conservatively.
440 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
441 to false after expanding.
443 2010-02-11 Richard Guenther <rguenther@suse.de>
446 * gcc.c (process_command): Handle LTO file@offset case more
449 2010-02-11 Jakub Jelinek <jakub@redhat.com>
451 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
452 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
454 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
456 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
457 if MEM's mode size isn't DWARF2_ADDR_SIZE.
458 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
459 Optimize eq/ne comparisons when both arguments are known to be
461 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
462 Don't mask operands unnecessarily if they are known to be already
465 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
467 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
470 2010-02-10 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/43017
473 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
474 for wrapping signed arithmetic.
476 2010-02-10 Jakub Jelinek <jakub@redhat.com>
479 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
480 if no debug info should be emitted for it.
482 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
484 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
485 note when flag_exceptions is set.
487 2010-02-10 Duncan Sands <baldrick@free.fr>
489 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
491 2010-02-10 Richard Guenther <rguenther@suse.de>
494 * tree.c (get_unwidened): Handle constants.
495 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
497 2010-02-10 Martin Jambor <mjambor@suse.cz>
500 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
501 check for variable argument counts independently.
503 2010-02-10 Christian Bruel <christian.bruel@st.com>
506 * config/sh/sh.c (find_barrier): Increase length for non delayed
507 conditional branches.
509 2010-02-10 Christian Bruel <christian.bruel@st.com>
511 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
513 2010-02-10 Jakub Jelinek <jakub@redhat.com>
515 * builtins.c (set_builtin_user_assembler_name): Also handle
516 ffs if int is smaller than word.
518 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
521 * ira-conflicts.c (get_dup): Remove.
522 (process_reg_shuffles): Add new parameter. Use it as an
523 additional guard for copy generation.
524 (add_insn_allocno_copies): Rewrite.
526 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
528 * common.opt (fsched2-use-traces): Preserved for backward
530 * doc/invoke.texi: Remove the documentation about option
532 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
533 flag_sched2_use_traces.
534 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
535 the backward compatibility flag section.
537 2010-02-09 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/43008
540 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
541 make HEAP variables initialized from global memory if they
542 are not known builtin functions.
543 (find_func_aliases): Adjust.
545 2010-02-09 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/43000
548 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
551 2010-02-08 Jakub Jelinek <jakub@redhat.com>
553 PR tree-optimization/42931
554 * tree-loop-linear.c (try_interchange_loops): Don't call
555 double_int_mul if estimated_loop_iterations failed.
557 2010-02-08 Martin Jambor <mjambor@suse.cz>
560 * tree-sra.c (build_accesses_from_assign): Do not mark in
561 should_scalarize_away_bitmap if stmt has volatile ops.
562 (sra_modify_assign): Do not process assigns piecemeal if if stmt
565 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
567 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
569 2010-02-07 Adam Nemet <adambnmet@gmail.com>
571 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
574 2010-02-07 Andrew Pinski <pinskia@gmail.com>
577 * df-core.c (df_finish_pass): Change type of saved_flags to int.
579 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
582 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
583 to unknown_dependence.
584 (graphite_legal_transform_dr): Handle the unknown_dependence.
585 (graphite_carried_dependence_level_k): Same.
587 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
589 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
591 2010-02-07 Richard Guenther <rguenther@suse.de>
594 * expr.c (get_inner_reference): Always initialize *pbitsize.
596 2010-02-07 Richard Guenther <rguenther@suse.de>
599 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
600 new ARRAY_REFs on variable size element or minimal index arrays.
602 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
603 gimple_fold_indirect_ref.
605 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
608 * arm.c (arm_override_options): Just return if the user has specified
611 2010-02-03 Jason Merrill <jason@redhat.com>
614 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
615 i386_pe_maybe_record_exported_symbol.
617 2010-02-05 Steve Ellcey <sje@cup.hp.com>
620 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
621 (pa_delegitimize_address): New function.
623 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
625 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
626 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
628 2010-02-05 Richard Guenther <rguenther@suse.de>
631 * lto-streamer-in.c (get_resolution): Deal with references
632 to undefined functions.
634 2010-02-05 Richard Guenther <rguenther@suse.de>
636 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
637 (fold_const_aggregate_ref): Likewise.
638 (ccp_fold_stmt): Substitute loads.
639 (maybe_fold_reference): Verify types before substituting.
641 (fold_gimple_assign): Unshare properly.
642 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
644 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
646 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
647 for rs6000_gen_cell_microcode.
649 2010-02-04 Richard Guenther <rguenther@suse.de>
651 PR rtl-optimization/42952
652 * dse.c (const_or_frame_p): Remove MEM handling.
654 2010-02-04 Nick Clifton <nickc@redhat.com>
656 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
657 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
658 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
659 (mn10300_asm_output_mi_thunk): New function.
660 (mn10300_can_output_mu_thunk): New function.
661 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
662 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
663 (FUNCTION_ARG): Delete incorrect comment.
665 2010-02-03 Jason Merrill <jason@redhat.com>
668 * fold-const.c (operand_equal_p): Handle erroneous types.
670 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
672 * config/h8300/h8300.md (can_delay): Fix attibute condition.
674 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
676 PR rtl-optimization/42941
677 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
680 2010-02-03 Jason Merrill <jason@redhat.com>
683 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
685 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
688 * cselib.h (struct cselib_val_struct): Add uid. Rename value to
690 (cselib_reset_table): Renamed from...
691 (cselib_reset_table_with_next_value): ... this.
692 (cselib_get_next_uid): Renamed from...
693 (cselib_get_next_unknown_value): ... this.
694 * cselib.c (next_uid): Renamed from...
695 (next_unknown_value): ... this.
696 (cselib_clear_table): Adjust.
697 (cselib_reset_table): Adjust. Renamed from...
698 (cselib_reset_table_with_next_value): ... this.
699 (cselib_get_next_uid): Adjust. Renamed from...
700 (cselib_get_next_unknown_value): ... this.
701 (get_value_hash): Use hash.
702 (cselib_hash_rtx): Likewise.
703 (new_cselib_val): Adjust. Set and dump uid.
704 (cselib_lookup_mem): Pass next_uid as hash.
705 (cselib_subst_to_values): Likewise.
706 (cselib_log_lookup): Dump uid.
707 (cselib_lookup): Pass next_uid as hash. Adjust.
708 (cselib_process_insn): Adjust.
709 (cselib_init): Initialize next_uid.
710 (cselib_finish): Adjust.
711 (dump_cselib_table): Likewise.
712 * dse.c (canon_address): Dump value uid.
713 * print-rtl.c (print_rtx): Print value uid.
714 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
716 (dv_uid): New function, sort of renamed from...
717 (dv_htab_hash): ... this, reimplemented in terms of it and...
718 (dv_uid2hash): ... this. New.
719 (variable_htab_eq): Drop excess assertions.
720 (tie_break_pointers): Removed.
721 (canon_value_cmp): Compare uids.
722 (variable_post_merge_New_vals): Print uids.
723 (vt_add_function_parameters): Adjust.
724 (vt_initialize): Reset table. Adjust.
726 2010-02-03 Richard Guenther <rguenther@suse.de>
728 PR tree-optimization/42944
729 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
730 (call_may_clobber_ref_p_1): Likewise. Properly handle
731 malloc and calloc clobbering errno.
733 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
735 * doc/invoke.texi: Fix name of sched1 dump.
737 * opts.c (decode_options): Set flag_tree_switch_conversion
738 only conditionally on optimize >= 2.
740 * gcse.c: Assorted comment fixes in pass description.
742 2010-02-03 Anthony Green <green@moxielogic.com>
744 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
745 nop padding in order to maintain alignment of storage location of
746 target function address.
747 (moxie_trampoline_init): Store target function address at newly
749 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
751 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
753 2010-02-03 Richard Guenther <rguenther@suse.de>
756 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
758 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
760 * config.gcc: Reenable check for obsolete targets.
761 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
762 mips-sgi-irix6.[0-4]*.
764 2010-02-02 Nick Clifton <nickc@redhat.com>
766 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
767 constant size of 4 as being the same as 0.
768 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
769 can take values in the range 0..4.
771 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
774 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
775 as _darwin10_Unwind_FindEnclosingFunction().
776 * libgcc-libsystem.ver: New.
778 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
781 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
782 implicitly set registers.
784 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
786 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
787 (arm_override_options): Allow automatic selection of the thread
788 pointer register if thumb2.
789 (legitimize_pic_address): Improve code sequences for Thumb2.
790 (arm_call_tls_get_addr): Likewise.
791 (legitimize_tls_address): Likewise.
792 * arm.md (pic_load_addr_arm): Delete. Replace with ...
793 (pic_load_addr_32bit): ... this. New named pattern.
794 * thumb2.md (pic_load_addr_thumb2): Delete.
795 (pic_load_dot_plus_four): Delete.
796 (tls_load_dot_plus_four): New named pattern.
798 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
801 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
802 Document fix for TLS bug.
804 2010-01-31 Richard Guenther <rguenther@suse.de>
806 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
807 conservatively correct.
809 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
813 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
815 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
817 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
819 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
821 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
823 * config.gcc: Adjust order of makefile fragments for mingw targets.
825 2010-01-31 Richard Guenther <rguenther@suse.de>
828 * gimplify.c (gimplify_init_constructor): For volatile LHS
829 initialize a temporary.
831 2010-01-31 Matthias Klose <doko@ubuntu.com>
833 * configure.ac: Fix __stack_chk_fail check for cross builds configured
835 * configure: Regenerate.
837 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
839 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
840 the same alias set and their sizes different constantness.
841 (aliasing_component_refs_p): Revert 2009-10-24 change.
843 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
845 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
848 2010-01-29 Richard Guenther <rguenther@suse.de>
850 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
851 Assert we successfully updated the call.
853 2010-01-29 Jakub Jelinek <jakub@redhat.com>
855 PR rtl-optimization/42889
856 * df.h (df_set_bb_dirty_nonlr): New prototype.
857 * df-core.c (df_set_bb_dirty_nonlr): New function.
858 * df-scan.c (df_insn_rescan): Call it instead of
859 df_set_bb_dirty for DEBUG_INSNs.
861 2010-01-29 Richard Guenther <rguenther@suse.de>
864 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
865 quadratic behavior in most cases.
867 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
870 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
871 in the call to gen_x86_movsicc_0_m1.
873 2010-01-28 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/42871
876 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
878 2010-01-28 Richard Guenther <rguenther@suse.de>
880 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
883 2010-01-28 Richard Guenther <rguenther@suse.de>
886 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
887 the forwarder if the destination is an EH landing pad.
889 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
891 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
892 block list passed to gimple_duplicate_sese_tail.
893 (parallelize_loops): Avoid parallelization when the function
895 Avoid parallelization when the preheader is IRREDUCIBLE.
896 Try to optimize when estimated_loop_iterations_int is unresolved.
897 Add the loop's location to the dump file.
898 * tree-cfg.c (add_phi_args_after_redirect): Remove.
899 (gimple_duplicate_sese_tail): Remove the check for the latch.
900 Redirect nexits to the exit block.
901 Remove handling of the incoming edges to the latch.
902 Redirect the backedge from the copied latch to the exit bb.
904 2010-01-28 Michael Matz <matz@suse.de>
907 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
908 Wrap force_reg into a sequence, emit it before user.
910 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
912 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
914 (arm_legacy_rev): Likewise.
915 (thumb_legacy_rev): Likewise.
917 2010-01-27 Jakub Jelinek <jakub@redhat.com>
919 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
920 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
921 on MEM's address failed, try avoid_constant_pool_reference and
922 recurse if it returned something different.
923 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
924 address, try avoid_constant_pool_reference and recurse if it
925 returned something different.
926 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
927 address and avoid_constant_pool_reference returned something
928 different, don't set have_address.
930 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
933 * var-tracking.c (val_store): Add modified argument, obey it.
935 (count_uses): Move down logging of main.
936 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
937 don't need resolution.
938 (emit_notes_in_bb): Likewise.
940 2010-01-27 Richard Guenther <rguenther@suse.de>
943 * tree-inline.c (remap_decl): Delay remapping of SSA name
944 default definitions until we need them.
946 2010-01-27 Jakub Jelinek <jakub@redhat.com>
948 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
949 (rs6000_delegitimize_address): New function.
951 * config/s390/s390.c (s390_delegitimize_address): Call
952 delegitimize_mem_from_attrs.
955 * tree-inline.c (cannot_copy_type_1): Removed.
956 (copy_forbidden): Don't forbid copying of functions containing
957 records/unions with variable length fields.
959 2010-01-27 Christian Bruel <christian.bruel@st.com>
963 * config/sh/sh.c (find_barrier): Increase length for non delayed
964 conditional branches.
966 2010-01-27 Matthias Klose <doko@ubuntu.com>
968 * configure.ac (gnu-unique-object): Fix ldd version check.
969 * configure: Regenerate.
971 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
973 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
975 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
976 Test for HAVE_GNU_AS value.
978 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
980 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
981 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
983 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
984 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
985 INT_LEAST64_TYPE): Define.
986 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
987 UINT_LEAST64_TYPE): Define.
988 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
989 INT_FAST64_TYPE): Define.
990 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
991 UINT_FAST64_TYPE): Define.
992 (INTMAX_TYPE, UINTMAX_TYPE): Define.
993 (INTPTR_TYPE, UINTPTR_TYPE): Define.
994 (SIG_ATOMIC_TYPE): Define.
996 2010-01-26 Richard Guenther <rguenther@suse.de>
998 * df-scan.c (df_scan_set_bb_info): Remove assert.
999 (df_insn_rescan_debug_internal): Merge asserts.
1000 (df_install_ref): Likewise.
1001 (df_mark_reg): Use bitmap_set_range.
1002 (df_hard_reg_used_p): Remove assert.
1003 (df_hard_reg_used_count): Likewise.
1005 2010-01-26 Richard Guenther <rguenther@suse.de>
1007 PR rtl-optimization/42685
1008 * web.c (web_main): Ignore DEBUG_INSNs.
1010 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
1012 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
1014 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
1015 Fix types of fndecl and arglist parameters.
1017 2010-01-26 Richard Guenther <rguenther@suse.de>
1020 * tree-eh.c (unsplit_eh): Skip debug insns.
1022 2010-01-26 Richard Guenther <rguenther@suse.de>
1024 PR tree-optimization/42250
1025 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
1027 2010-01-26 Jakub Jelinek <jakub@redhat.com>
1030 * omp-low.c (expand_omp_sections): Only use single_pred if
1031 l2_bb is single_pred_p.
1033 2010-01-25 Christian Bruel <christian.bruel@st.com>
1036 * config/sh/sh.c (find_barrier): Increase length for non delayed
1037 conditional branches.
1038 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
1040 2010-01-24 David S. Miller <davem@davemloft.net>
1042 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
1043 define if not using GAS.
1044 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1045 Likewise. Delete SECTION_MERGE code, which is only applicable
1048 2010-01-24 Mark Mitchell <mark@codesourcery.com>
1051 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
1052 mangling of va_list in system headers.
1054 2010-01-23 Toon Moene <toon@moene.org>
1056 * tree-predcom.c (combine_chains): Return NULL, not false.
1058 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
1060 * tree-loop-distribution.c (distribute_loop): Fix declaration and
1061 initialization of variable res to agree with return type.
1063 2010-01-22 Steve Ellcey <sje@cup.hp.com>
1065 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
1066 * tree-sra.c: Add include of expr.h.
1068 2010-01-22 Jakub Jelinek <jakub@redhat.com>
1070 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
1071 insert the debug stmt on the single non-EH edge from the stmt.
1073 2010-01-22 Richard Henderson <rth@redhat.com>
1076 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
1077 the RHS until after generate_subtree_copies has insertted its
1078 code before the current statement.
1080 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
1082 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
1084 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
1086 2010-01-21 Martin Jambor <mjambor@suse.cz>
1088 PR tree-optimization/42585
1089 * tree-sra.c (struct access): New field grp_total_scalarization.
1090 (dump_access): Dump the new field.
1091 (should_scalarize_away_bitmap): New variable.
1092 (cannot_scalarize_away_bitmap): Likewise.
1093 (sra_initialize): Allocate new bitmaps.
1094 (sra_deinitialize): Free new bitmaps.
1095 (create_access_1): New function.
1096 (create_access): Parts moved to create_access_1.
1097 (type_consists_of_records_p): New function.
1098 (completely_scalarize_record): Likewise.
1099 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
1100 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
1101 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
1103 (analyze_all_variable_accesses): Completely scalarize small eligible
1106 2010-01-21 Martin Jambor <mjambor@suse.cz>
1108 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
1110 2010-01-21 Andrew Haley <aph@redhat.com>
1112 * gcc.c (process_command): Move lang_specific_driver before
1113 setting cc_libexec_prefix.
1115 2010-01-21 Richard Guenther <rguenther@suse.de>
1118 * fold-const.c (negate_expr_p): Pretend only negative
1119 real constants are easily negatable.
1121 2010-01-20 Janis Johnson <janis187@us.ibm.com>
1122 Jason Merrill <jason@redhat.com>
1124 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
1125 (TYPE_TRANSPARENT_AGGR): this, for union and record.
1126 * calls.c (initialize argument_information): Handle it.
1127 * c-common.c (handle_transparent_union_attribute): Use new name.
1128 * c-decl.c (finish_struct): Ditto.
1129 * c-typeck.c (type_lists_compatible_p): Ditto.
1130 (convert_for_assignment): Use new name and also handle record.
1131 * function.c (aggregate_value_p): Handle it.
1132 (pass_by_reference): Ditto.
1133 (assign_parm_data_types): Ditto.
1134 * print-tree.c (print_node): Ditto.
1135 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
1136 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
1137 * tree.c (first_field): New fn.
1139 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1142 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
1143 even when linking statically, for now.
1145 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1148 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
1149 without a cselib val.
1150 (count_uses): Accept MO_VAL_SET with no val on stores.
1151 (add_stores): Likewise.
1153 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1155 * var-tracking.c (check_value_val): Add a compile time assertion.
1156 (dv_is_decl_p): Simplify.
1157 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
1158 gcc_assert if ENABLE_CHECKING.
1160 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1163 * var-tracking.c: Include tree-flow.h.
1164 (mem_dies_at_call): New.
1165 (dataflow_set_preserve_mem_locs): Use it.
1166 (dataflow_set_remove_mem_locs): Likewise.
1167 (dump_var): Renamed from dump_variable. Adjust all callers.
1168 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
1169 * Makefile.in (var-tracking.o): Adjust deps.
1171 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
1173 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
1175 2010-01-20 Richard Guenther <rguenther@suse.de>
1177 PR tree-optimization/42717
1178 * tree-ssa-dce.c (get_live_post_dom): Remove.
1179 (forward_edge_to_pdom): Take an arbitrary edge to copy
1180 degenerate PHI args from.
1181 (remove_dead_stmt): Use the first post-dominator even if it
1182 does not contain live statements as redirection destination.
1184 2010-01-20 Richard Guenther <rguenther@suse.de>
1186 * tree-inline.c (estimate_num_insns): Handle EH builtins.
1188 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1190 * sel-sched.c (create_speculation_check): Remove set but not used
1192 (try_transformation_cache): Remove set but not used variable ds.
1193 (calculate_privileged_insns): Remove set but not used variables
1194 cur_insn and min_spec_insn.
1195 (find_best_expr): Remove set but not used variable avail_n.
1196 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
1198 * cgraphunit.c (assemble_thunk): Remove set but not used variable
1200 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
1201 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
1204 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
1207 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
1208 cpu types. Add support for *-sse3 cpu types.
1209 (x86_64-*-*): Ditto.
1211 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1214 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
1215 argument, call initializer_constant_valid_p_1 instead of
1216 initializer_constant_valid_p, pass CACHE to it, return NULL
1217 immediately if first call returns NULL.
1218 (initializer_constant_valid_p_1): New function.
1219 (initializer_constant_valid_p): Use it.
1221 2010-01-20 Thomas Quinot <quinot@adacore.com>
1223 * tree.def (PLACEHOLDER_EXPR): Fix comment.
1225 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1227 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
1228 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
1229 (loc_list_from_tree): Don't handle unsigned division. Handle
1230 signed modulo using DW_OP_{over,over,div,mul,minus}.
1231 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
1232 modulo instead of signed.
1234 2010-01-20 DJ Delorie <dj@redhat.com>
1236 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
1238 (h8300_emit_stack_adjustment): Propogate it.
1240 (h8300_expand_prologue): Likewise.
1241 (h8300_expand_epilogue): Likewise.
1243 2010-01-19 Michael Matz <matz@suse.de>
1245 PR tree-optimization/41783
1246 * tree-data-ref.c (toplevel): Include flags.h.
1247 (dump_data_dependence_relation): Also dump the inputs if the
1248 result will be unknown.
1249 (split_constant_offset_1): Look through some conversions.
1250 * tree-predcom.c (determine_roots_comp): Restart a new chain if
1251 the offset from last element is too large.
1252 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
1253 (reassociate_to_the_same_stmt): Handle vector registers.
1254 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
1256 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
1257 wide_prolog_niters argument, emit widening instructions.
1258 (vect_do_peeling_for_alignment): Adjust caller, use widened
1259 variant of the iteration cound.
1260 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
1262 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1265 * config/arm/neon-testgen.m (emit_automatics): New parameter
1266 features. Adjust for Fixed_return_reg feature.
1267 (test_intrinsic): Call emit_automatics with new feature.
1268 * config/arm/neon.ml: Update copyright years.
1269 (features): New Fixed_return_reg feature.
1270 (ops): Update feature for Vget_low.
1272 2010-01-19 Jakub Jelinek <jakub@redhat.com>
1274 PR tree-optimization/42719
1275 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
1279 * fwprop.c (all_uses_available_at): Return false if def_set dest
1280 is a REG that is used in def_insn.
1282 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
1284 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
1286 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
1289 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
1291 * target.h (struct gcc_target) <secondary_reload>: Change type
1292 of last argument to secondary_reload_info *.
1294 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
1297 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
1298 memory references with unaligned offsets. Remove CQImode handling.
1299 (unaligned_memory_operand): Return 1 for memory references with
1300 unaligned offsets. Remove CQImode handling.
1302 2010-01-18 Richard Guenther <rguenther@suse.de>
1305 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
1308 2010-01-18 Richard Guenther <rguenther@suse.de>
1310 PR tree-optimization/42781
1311 * tree-ssa-structalias.c (find_what_var_points_to): Skip
1312 restrict processing only if the original variable was artificial.
1314 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
1316 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
1317 find number of popped argument bytes.
1319 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
1320 Fix the text that describes the return value for invalid insns.
1322 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
1324 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
1325 Clarify what 'cost of the -dependence' is. Fix quoting.
1327 * toplev.c (default_get_pch_validity): Rename argument to "sz".
1328 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
1330 2010-01-17 Jakub Jelinek <jakub@redhat.com>
1332 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1333 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
1335 2010-01-17 Richard Guenther <rguenther@suse.de>
1338 * function.c (split_complex_args): Take a VEC to modify.
1339 (assign_parms_augmented_arg_list): Build a VEC instead of
1340 a chain of PARM_DECLs.
1341 (assign_parms_unsplit_complex): Take a VEC of arguments.
1342 Do not fixup unmodified parms.
1343 (assign_parms): Deal with the VEC.
1344 (gimplify_parameters): Likewise.
1346 2010-01-17 Richard Guenther <rguenther@suse.de>
1348 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
1349 node existence check.
1350 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
1351 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
1352 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
1353 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
1354 (gimple_execute_on_growing_pred): Likewise.
1356 2010-01-17 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/42773
1359 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
1360 (compute_antic_aux): Likewise.
1361 (compute_partial_antic_aux): Likewise.
1363 2010-01-17 Jie Zhang <jie.zhang@analog.com>
1366 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
1369 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
1371 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
1374 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
1375 Fix markup for strict argument.
1377 (TARGET_SCHED_REORDER2): Fix argument types.
1379 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
1380 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
1382 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
1383 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
1385 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
1388 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
1389 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
1390 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
1391 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
1392 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
1394 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
1396 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
1398 (TARGET_ASM_RELOC_RW_MASK): Add return type.
1399 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
1401 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
1403 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
1406 (TARGET_ASM_NAMED_SECTION): Fix argument list.
1408 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
1409 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
1411 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1413 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1415 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1416 referring to it. Fix language.
1418 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1420 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1422 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1424 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1426 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1427 '@var{stream}. Remove stray 'and'.
1429 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1431 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1433 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1435 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
1436 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
1438 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
1439 Fix description of return value.
1440 Rename argument "sz" to "len."
1442 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
1443 Clarify meaning of 'true' return value.
1445 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
1447 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
1448 rep_mode versus mode_rep.
1450 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
1452 (TARGET_BUILTIN_DECL): Fix name.
1454 (TARGET_COMMUTATIVE_P): Fix type of first argument.
1456 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
1458 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
1460 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
1462 (TARGET_RELAXED_ORDERING): Use @deftypevr.
1464 (TARGET_GET_DRAP_RTX): Note that this is a hook.
1467 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
1468 Rename argument tm_fn to md_fn.
1470 (TARGET_OPTION_PRINT): Fix argument list.
1472 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
1475 * config/i386/i386.c (ix86_fixup_binary_operands):
1476 Revert FMA4 fixup of operands.
1478 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1481 * Makefile.in (write_entries_to_file, install-plugin):
1482 Use \012 instead of \n with tr.
1484 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
1486 * configure.ac (HAVE_AS_REF): New C macro.
1487 * configure: Regenerate.
1488 * config.in: Likewise.
1489 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
1491 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
1494 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
1496 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
1498 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
1500 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
1502 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
1504 (TARGET_IN_SMALL_DATA_P): Fix argument type.
1506 (TARGET_BINDS_LOCAL_P): Fix argument type.
1508 (TARGET_ASM_FILE_END): Use prototype.
1510 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
1512 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
1514 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
1516 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
1518 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
1519 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
1521 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
1522 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
1524 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
1525 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1526 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
1527 (TARGET_ADDR_SPACE_CONVERT): Likewise.
1529 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
1531 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
1533 (TARGET_INIT_BUILTINS): Use prototype.
1535 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1536 Put 'const char *' in braces. Fix parameter types.
1537 (TARGET_INVALID_CONVERSION): Fix parameter types.
1538 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
1539 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
1541 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
1544 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
1546 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
1548 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
1550 * doc/tm.texi (TARGET_HELP): Fix return type.
1552 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
1553 in braces. Fix argument types.
1555 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
1557 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
1559 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
1561 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
1562 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
1564 (TARGET_MANGLE_TYPE): Fix argument types.
1566 (TARGET_IRA_COVER_CLASSES): Use prototype.
1568 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
1570 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
1572 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
1574 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
1576 (TARGET_CALLEE_COPIES): Fix argument types.
1578 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
1580 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
1582 (TARGET_FUNCTION_VALUE): Fix argument types.
1584 (TARGET_RETURN_IN_MSB): Fix argument type.
1586 (TARGET_RETURN_IN_MEMORY): Fix argument types.
1588 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
1590 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
1592 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
1593 agree with return type.
1595 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
1597 2010-01-15 Jing Yu <jingyu@google.com>
1599 PR rtl-optimization/42691
1600 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
1601 a pseudo to a constant and are merged, and adjust comments.
1603 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
1605 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
1607 2010-01-15 Richard Guenther <rguenther@suse.de>
1610 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
1611 labels of computed or non-local gotos to the destination.
1612 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
1613 landing pad label is the first label.
1615 2010-01-15 Richard Guenther <rguenther@suse.de>
1617 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
1619 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1622 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
1623 to allow generation of the xssqrtdp instruction on power7.
1624 (sqrtdf2_fpr): Ditto.
1626 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1629 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
1630 functions with noreturn attribute.
1633 * varasm.c (declare_weak): Add weak attribute to decl if it
1634 doesn't have one already.
1635 (assemble_external): Only add decls to weak_decls if they also
1636 have weak attribute.
1638 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
1640 * var-tracking.c (var_reg_delete): Don't delete the association
1641 between REGs and values or one-part variables if the register
1644 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1647 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
1648 because its first operand is a non-localized variable.
1650 2010-01-14 Martin Jambor <mjambor@suse.cz>
1652 PR tree-optimization/42706
1653 * tree-sra.c (encountered_recursive_call): New variable.
1654 (encountered_unchangable_recursive_call): Likewise.
1655 (sra_initialize): Initialize both new variables.
1656 (callsite_has_enough_arguments_p): New function.
1657 (scan_function): Call decl and flags check only for IPA-SRA, check
1658 whether there is a recursive call and whether it has enough arguments.
1659 (all_callers_have_enough_arguments_p): New function.
1660 (convert_callers): Look for recursive calls only when
1661 encountered_recursive_call is set.
1662 (ipa_early_sra): Bail out either if
1663 !all_callers_have_enough_arguments_p or
1664 encountered_unchangable_recursive_call.
1666 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1668 * sel-sched.c: Add 2010 to copyright years.
1669 * sel-sched-ir.c: Likewise.
1670 * sel-sched-ir.h: Likewise.
1672 2010-01-14 Martin Jambor <mjambor@suse.cz>
1674 PR tree-optimization/42714
1675 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
1676 constructors specially.
1678 2010-01-14 Andi Kleen <ak@linux.intel.com>
1680 * config/i386/drivers-i386.c (detect_caches_intel):
1681 Add l2sizekb parameter and fill in.
1682 (host_detect_local_cpu): Add l2sizekb, fill in.
1683 Add Atom small cache heuristic.
1685 2010-01-14 Andi Kleen <ak@linux.intel.com>
1687 * config/i386/drivers-i386.c (detect_caches_cpuid4):
1688 Add level3 parameter and fill in.
1689 (detect_caches_intel): Handle level3 cache.
1691 2010-01-14 Andi Kleen <ak@linux.intel.com>
1693 * config/i386/drivers-i386.c (host_detect_local_cpu):
1694 Fix core duo detection.
1696 2010-01-14 Andi Kleen <ak@linux.intel.com>
1698 * config/i386/drivers-i386.c (host_detect_local_cpu):
1701 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1703 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
1704 (rs6000_variable_issue_1): this. Use...
1705 (rs6000_variable_issue): here. Reimplement. Print debug info.
1707 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1709 * sel-sched-ir.c (sel_restore_other_notes): Rename to
1710 sel_restore_notes. Update all callers. Call reemit_notes
1713 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1715 PR rtl-optimization/42246
1716 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
1719 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1721 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
1722 all successors is the same as number of successors in current region.
1724 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1726 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
1727 to rename is not separable. Otherwise check that its LHS is not NULL.
1729 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1731 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
1733 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1735 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
1736 available registers when failed to discover LHS register class.
1737 Fix indentation. Update comment.
1739 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1740 Alexander Monakov <amonakov@ispras.ru>
1742 PR rtl-optimization/42389
1743 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
1745 (advance_state_on_fence): Likewise.
1746 (sel_target_adjust_priority): Print debug output only when
1747 sched_verbose >= 4, not 2.
1748 (get_expr_cost): Do not issue all unique insns on the next cycle.
1749 (fill_insns): Initialize can_issue_more from the value saved
1751 * sel-sched-ir.c (flist_add): New parameter issue_more.
1752 Init FENCE_ISSUE_MORE with it.
1753 (merge_fences): Likewise.
1754 (init_fences): Update call to flist_add.
1755 (add_to_fences, add_clean_fence_to_fences)
1756 (add_dirty_fence_to_fences): Likewise.
1757 (move_fence_to_fences): Update call to merge_fences.
1758 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
1760 * sel-sched-ir.h (struct _fence): New field issue_more.
1761 (FENCE_ISSUE_MORE): New accessor macro.
1763 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1765 PR rtl-optimization/42388
1766 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
1767 that have no predecessors nor successors. Do not call move_bb_info
1768 for empty blocks outside of current region.
1770 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1772 PR rtl-optimization/42294
1773 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
1774 * sel-sched.c (move_exprs_to_boundary): Transitively add all
1775 originators' originators.
1777 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1779 PR rtl-optimization/39453
1780 PR rtl-optimization/42246
1781 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
1783 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
1785 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1786 Alexander Monakov <amonakov@ispras.ru>
1789 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
1790 (maybe_tidy_empty_bb): ... here. Make static. Add new
1791 argument. Update all callers.
1792 (tidy_control_flow): ... and here. Recompute topological order
1793 of basic blocks in region if necessary.
1794 (sel_redirect_edge_and_branch): Change return type. Return true
1795 if topological order might have been invalidated.
1796 (purge_empty_blocks): Export and move from...
1797 * sel-sched.c (purge_empty_blocks): ... here.
1798 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
1799 (maybe_tidy_empty_bb): Delete prototype.
1800 (purge_empty_blocks): Declare.
1802 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1804 PR rtl-optimization/42249
1805 * sel-sched.c (try_replace_dest_reg): When chosen register
1806 and original register is the same, do not bail out early, but
1807 still check all original insns for validity of replacing destination
1808 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
1811 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1814 Port from no-undefined-overflow branch:
1815 2009-03-09 Richard Guenther <rguenther@suse.de>
1817 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
1819 2010-01-14 Richard Guenther <rguenther@suse.de>
1822 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
1824 2010-01-14 Ira Rosen <irar@il.ibm.com>
1826 PR tree-optimization/42709
1827 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
1828 as scalar type in creation of constant vector operand.
1830 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1833 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
1834 (check-parallel-%): Match `testsuite' directory component only
1837 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
1839 PR translation/39521
1840 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
1843 2010-01-13 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/42730
1846 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
1849 2010-01-13 Steve Ellcey <sje@cup.hp.com>
1852 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
1853 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
1856 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
1858 * config/bfin/libgcc-bfin.ver: Regenerate based on current
1859 libgcc-std.ver. Add entries for ___smulsi3_highpart and
1860 ___umulsi3_highpart.
1862 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
1863 rather than schedule_insns if the pass is enabled.
1865 2010-01-13 Martin Jambor <mjambor@suse.cz>
1867 PR tree-optimization/42704
1868 * tree-sra.c (sra_modify_assign): Do not delete assignments to
1871 2010-01-13 Martin Jambor <mjambor@suse.cz>
1873 PR tree-optimization/42703
1874 * tree-sra.c (analyze_access_subtree): Check that we can build a
1875 reference to the original data within the aggregate.
1877 2010-01-13 Richard Guenther <rguenther@suse.de>
1879 PR tree-optimization/42705
1880 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
1882 2010-01-13 Richard Guenther <rguenther@suse.de>
1885 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
1887 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1890 * var-tracking.c (values_to_unmark): New variable.
1891 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1892 values_to_unmark vector. Moved body to...
1893 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1894 instead queue it into values_to_unmark vector.
1895 (vt_find_locations): Free values_to_unmark vector.
1897 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
1899 * config/s390/s390.c (override_options): Set
1900 default of max-pending-list-length to 256
1902 2010-01-13 Richard Guenther <rguenther@suse.de>
1905 * tree-pass.h (PROP_gimple_lcx): New.
1906 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
1907 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
1908 before the final cleanup_eh.
1909 (dump_properties): Dump PROP_gimple_lcx.
1910 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
1911 (tree_lower_complex_O0): Remove.
1912 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
1913 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
1914 tree_lower_complex, schedule TODO_update_ssa.
1915 * lto-streamer-out.c (output_function): Stream the functions
1917 * lto-streamer-in.c (input_function): Likewise.
1918 (lto_read_body): Do not override them here.
1920 2010-01-12 Joseph Myers <joseph@codesourcery.com>
1923 * c-typeck.c (build_c_cast): Fold value cast to union type before
1924 wrapping it in a CONSTRUCTOR.
1926 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1928 PR rtl-optimization/42699
1929 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
1932 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1934 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1935 SUBTARGET_WARN_UNUSED_SPEC): Move ...
1936 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1937 SUBTARGET_WARN_UNUSED_SPEC): ... here
1938 * config/mips/iris5.h (LIBGCC_SPEC): Define.
1940 2010-01-12 Julian Brown <julian@codesourcery.com>
1942 * config/arm/neon-schedgen.ml (Utils): Don't try to
1943 open missing module.
1944 (find_with_result): New.
1946 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1949 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
1950 sharing when canonicalizing ({lt,ge}u (plus a b) b).
1952 PR tree-optimization/42645
1953 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
1954 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
1955 decl_map, set processing_debug_stmt to -1 and return name without
1958 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
1960 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
1961 binutils version, and reword target configuration description.
1963 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1965 * config/avr/avr.h (LINKER_NAME): Remove.
1967 2010-01-11 Janis Johnson <janis187@us.ibm.com>
1970 * config/rs6000/rs6000.c (rs6000_override_options): On targets
1971 that support VSX, warn for -mno-altivec if vsx is not disabled,
1974 2010-01-11 Joseph Myers <joseph@codesourcery.com>
1975 Shujing Zhao <pearly.zhao@oracle.com>
1977 PR translation/42469
1978 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
1979 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
1980 character between option name and help text.
1981 * c.opt (imultilib): Likewise.
1983 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
1985 * lto-streamer-out.c (output_unreferenced_globals): Output static
1988 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
1990 PR rtl-optimization/42621
1991 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
1992 optimizing for size.
1993 (duplicate_computed_gotos): Remove now-redundant check.
1995 2010-01-10 Steve Ellcey <sje@cup.hp.com>
1998 * configure.ac: Save and restore LDFLAGS and LIBS
1999 * configure: Regenerate.
2001 2010-01-10 Richard Guenther <rguenther@suse.de>
2004 * builtins.c (fold_builtin_strlen): Add type argument and
2005 convert the resulting length to it.
2006 (fold_builtin_1): Adjust.
2008 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2010 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
2011 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
2013 (num_insns_constant_wide): Adjust for that change.
2015 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2018 * web.c (union_defs): Add used argument, to combine uses of
2020 (entry_register): Adjust type and tests of used argument.
2021 (web_main): Widen used for new use. Pass it to union_defs.
2022 * df.h (union_defs): Adjust prototype.
2024 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2027 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
2028 uses in new incoming argument. Free body.
2029 (reset_debug_uses_in_loop): New.
2030 (analyze_insn_to_expand_var): Call the latter if the former found
2031 anything. Fix whitespace. Reject invalid dest overlaps before
2032 going through all insns in the loop.
2034 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2037 * haifa-sched.c (dying_use_p): Debug insns don't count.
2039 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2042 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
2043 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
2044 (verify_gimple_call): Reject LHS in noreturn calls.
2046 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2050 * tree-vect-loop-manip.c (adjust_info): New type.
2051 (adjust_vec): New pointer to vector.
2052 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
2053 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
2054 (slpeel_update_phis_for_duplicate_loop): Use them.
2055 (slpeel_update_phi_nodes_for_guard1): Likewise.
2056 (slpeel_update_phi_nodes_for_guard2): Likewise.
2057 (slpeel_tree_peel_loop_to_edge): Likewise.
2058 (vect_update_ivs_after_vectorizer): Likewise.
2060 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2062 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
2063 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2065 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2067 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
2068 bogus uninitialized warning.
2070 2010-01-09 Richard Guenther <rguenther@suse.de>
2073 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
2074 the evolution is compatible with the initial condition.
2076 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2078 * gcc.c (process_command): Update copyright notice dates.
2079 * gcov.c (print_version): Likewise.
2080 * gcov-dump.c (print_version): Likewise.
2081 * mips-tfile.c (main): Likewise.
2082 * mips-tdump.c (main): Likewise.
2084 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2087 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
2089 (rotlhi3_8): Delete.
2091 (rotlsi3_8): Delete.
2092 (rotlsi3_16): Delete.
2093 (rotlsi3_24): Delete.
2095 (*rotw<mode>3): New.
2096 (*rotb<mode>3): New.
2097 * config/avr/avr.c (avr_rotate_bytes): New function.
2098 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
2100 2010-01-08 Steve Ellcey <sje@cup.hp.com>
2103 * configure.ac: Modify -rdynamic check.
2104 * configure: Regenerate.
2106 2010-01-08 DJ Delorie <dj@redhat.com>
2108 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
2109 register popping order.
2111 2010-01-08 Richard Guenther <rguenther@suse.de>
2114 * c.opt (fsigned-char): Also let LTO handle this option.
2115 (funsigned-char): Likewise.
2117 2010-01-07 Richard Guenther <rguenther@suse.de>
2119 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
2120 (gimple_op): Likewise.
2121 (gimple_op_ptr): Likewise.
2122 (gimple_assign_set_lhs): Remove gcc_assert.
2123 (gimple_assign_set_rhs1): Likewise.
2124 (gimple_assign_set_rhs2): Likewise.
2125 (gimple_call_set_lhs): Likewise.
2126 (gimple_call_set_fn): Likewise.
2127 (gimple_call_set_fndecl): Likewise.
2128 (gimple_call_fndecl): Likewise.
2129 (gimple_call_return_type): Likewise.
2130 (gimple_call_set_chain): Likewise.
2131 (gimple_call_num_args): Likewise.
2132 (gimple_call_set_arg): Likewise.
2133 (gimple_cond_set_code): Likewise.
2134 (gimple_cond_set_lhs): Likewise.
2135 (gimple_cond_set_rhs): Likewise.
2136 (gimple_cond_set_true_label): Likewise.
2137 (gimple_cond_set_false_label): Likewise.
2138 (gimple_label_set_label): Likewise.
2139 (gimple_goto_set_dest): Likewise.
2140 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
2141 (gimple_debug_bind_get_value): Likewise.
2142 (gimple_debug_bind_get_value_ptr): Likewise.
2143 (gimple_debug_bind_set_var): Likewise.
2144 (gimple_debug_bind_set_value): Likewise.
2145 (gimple_debug_bind_reset_value): Likewise.
2146 (gimple_debug_bind_has_value_p): Likewise.
2147 (gimple_return_retval_ptr): Remove gcc_assert.
2148 (gimple_return_retval): Likewise.
2149 (gimple_return_set_retval): Likewise.
2150 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
2151 (safe_referenced_var_iterator): Remove.
2152 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
2153 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
2154 (fill_referenced_var_vec): Remove.
2155 (first_readonly_imm_use): Remove redundant gcc_assert.
2156 (phi_arg_index_from_use): Combine gcc_asserts.
2157 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
2158 (first_imm_use_stmt): Remove redundant gcc_assert.
2159 * tree-cfg.c (verify_gimple_call): Verify function and chain
2160 operands. Verify arguments.
2161 (verify_types_in_gimple_stmt): Verify condition code and labels.
2163 2010-01-07 Richard Guenther <rguenther@suse.de>
2165 PR tree-optimization/42641
2166 * sese.c (rename_map_elt_info): Use the SSA name version, do
2169 2010-01-07 Jakub Jelinek <jakub@redhat.com>
2171 PR tree-optimization/42625
2172 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
2173 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
2175 2010-01-07 Duncan Sands <baldrick@free.fr>
2177 * Makefile.in (PLUGIN_HEADERS): Add version.h.
2179 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
2182 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
2183 note itself is not function_invariant_p.
2185 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
2187 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
2188 Do not add the DF_NOTE problem.
2189 * store-motion.c (execute_rtl_store_motion): Likewise.
2191 2010-01-07 Martin Jambor <mjambor@suse.cz>
2193 PR tree-optimization/42157
2194 * tree-sra.c (compare_access_positions): Stabilize sort if both
2195 accesses have integer types, return zero immediately if they are the
2198 2010-01-06 Richard Henderson <rth@redhat.com>
2201 * haifa-sched.c (add_to_note_list): Merge into ...
2202 (concat_note_lists): ... here, and ...
2203 (unlink_other_notes, rm_other_notes): Merge into...
2204 (remove_notes): ... here. Create REG_SAVE_NOTEs for
2205 NOTE_INSN_EPILOGUE_BEG.
2207 2010-01-06 Richard Guenther <rguenther@suse.de>
2209 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
2210 not inline regular functions into always-inline functions.
2212 2010-01-06 Nick Clifton <nickc@redhat.com>
2214 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
2215 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
2217 (OVERRIDE_OPTIONS): Delete.
2218 (OPTIMIZATION_OPTIONS): Define.
2219 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
2220 * config/rx/rx.c (rx_handle_option): Issue an error message if
2221 -mcpu=rx200 and -fpu are used together.
2222 (rx_set_optimization_options): New function. Issue an error
2223 message if an optimization attribute attempts to reset the FPU/
2224 math optimization pairing.
2225 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
2226 * config/rx/rx.opt: Set the default to 32-bit doubles.
2227 * config/rx/t-rx: Add multilibs for -nofpu option.
2228 * doc/invoke.texi: Update documentation of RX options.
2230 2010-01-06 Richard Guenther <rguenther@suse.de>
2232 * tree-ssa-pre.c (name_to_id): New global.
2233 (alloc_expression_id): Simplify SSA name handling.
2234 (lookup_expression_id): Likewise.
2235 (init_pre): Zero name_to_id.
2236 (fini_pre): Free it.
2238 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
2240 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
2242 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
2245 * config/i386/sse.md (smaxv2di3): New.
2246 (umaxv2di3): Likewise.
2247 (sminv2di3): Likewise.
2248 (uminv2di3): Likewise.
2250 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
2253 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
2254 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
2255 (legitimize_tls_address): Likewise.
2256 (sparc_tls_referenced_p): Likewise.
2257 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
2258 and adjust calls to legitimize_pic_address.
2259 (legitimate_constant_p) Use sparc_tls_referenced_p.
2260 (legitimate_pic_operand_p): Likewise.
2261 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
2262 (sparc_tls_symbol_ref_1): Delete.
2263 (sparc_tls_referenced_p): Make static, recognize specific patterns.
2264 (legitimize_tls_address): Make static, handle CONST patterns.
2265 (legitimize_pic_address): Make static, remove unused parameter and
2266 adjust recursive calls.
2267 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
2268 and adjust call to legitimize_pic_address.
2269 (sparc_output_mi_thunk): Likewise.
2271 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
2272 H.J. Lu <hongjiu.lu@intel.com>
2275 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
2276 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
2277 operands to make them signed.
2280 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2283 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2284 GTU to GT for V4SI and V2DI.
2286 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2287 (umin<mode>3): Removed.
2289 (uminv4si3): Likewise.
2291 2010-01-05 Martin Jambor <mjambor@suse.cz>
2293 PR tree-optimization/42462
2294 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
2295 current_function_decl to helper functions and macros.
2297 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2300 * flags.h: Don't include real.h.
2301 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
2302 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
2303 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
2304 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
2305 * dominance.c: Update copyright.
2306 * gimple.c (walk_gimple_op): Remove inline.
2307 * tree-ssa-reassoc.c: Include real.h.
2308 * Makefile.in (FLAGS_H): Remove $(REAL_H).
2309 (tree-ssa-reassoc.o): Depend on $(REAL_H).
2311 2010-01-05 Nick Clifton <nickc@redhat.com>
2313 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
2314 register to push into the stack frame when the accumulator has to
2315 be saved during interrupts.
2317 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
2319 * doc/invoke.texi: Remove the documentation about option
2321 * common.opt (Wunreachable-code): Preserved for backward
2323 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
2324 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
2325 the backward compatibility flag section.
2327 2010-01-05 Richard Guenther <rguenther@suse.de>
2329 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
2331 2010-01-05 Jakub Jelinek <jakub@redhat.com>
2334 * cfgexpand.c (expand_one_var): Diagnose too large variables.
2336 PR tree-optimization/42508
2337 * tree-sra.c (convert_callers): Check for recursive call
2338 by comparing cgraph nodes instead of decls.
2339 (modify_function): Call ipa_modify_formal_parameters also
2340 on all same_body aliases.
2342 * cgraphunit.c (cgraph_materialize_all_clones): Compare
2343 cgraph nodes when checking for same_body aliases.
2345 2010-01-05 Richard Guenther <rguenther@suse.de>
2347 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
2348 allocation and lookup.
2349 (get_or_alloc_expr_for_constant): Likewise.
2350 (phi_translate): Sink allocation.
2352 2010-01-04 Richard Guenther <rguenther@suse.de>
2354 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
2355 a new entry only if needed.
2356 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
2357 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
2359 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
2361 (phi_translate): Handle CONSTANTs early.
2363 2010-01-04 Martin Jambor <mjambor@suse.cz>
2365 PR tree-optimization/42398
2366 * tree-sra.c (struct access): Removed flag grp_different_types.
2367 (dump_access): Do not dump the removed flag.
2368 (sort_and_splice_var_accesses): Do not set the removed flag.
2369 (sra_modify_expr): Check for type compatibility directly.
2371 2010-01-04 Martin Jambor <mjambor@suse.cz>
2373 PR tree-optimization/42366
2374 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
2375 edges with variable number of parameters.
2376 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
2377 flag instead of asserting it.
2378 (ipa_read_node_info): Read uses_analysis_done flag.
2380 2010-01-04 Richard Guenther <rguenther@suse.de>
2382 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
2383 iterative_hash_* as intended.
2384 (vn_reference_compute_hash): Likewise. Simplify hashing
2386 (vn_reference_lookup_2): Likewise.
2387 (vn_nary_op_compute_hash): Likewise.
2388 (vn_phi_compute_hash): Likewise.
2389 (expressions_equal_p): Remove strange code.
2390 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
2391 (pre_expr_hash): Likewise. Simplify hashing SSA names.
2392 (bitmap_insert_into_set_1): Take value-id as parameter.
2393 (add_to_value): Pass it.
2394 (bitmap_insert_into_set): Likewise.
2395 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
2397 2010-01-04 Jakub Jelinek <jakub@redhat.com>
2400 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
2401 (do_self_spec): For switches with SWITCH_IGNORE set set also
2402 SWITCH_IGNORE_PERMANENTLY.
2403 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
2406 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
2408 * lto-streamer-out.c (output_unreferenced_globals): Output the full
2409 tree of an unreferenced global var.
2411 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2414 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2415 GTU to GT for V4SI and V2DI.
2417 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2418 (umin<mode>3): Removed.
2420 (uminv4si3): Likewise.
2422 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2425 * collect2.c (main): Turn on trace in collect2 if -v is passed
2428 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2430 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2431 description of expression operand.
2433 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2435 * configure.ac: Add install-html to target_list for Make-hooks.
2436 * configure: Regenerate.
2437 * fortran/Make-lang.in (F95_HTMLFILES): New.
2438 (fortran.html): Use it.
2439 (fortran.install-html): New.
2440 * Makefile.in (install-html): Add lang.install-html.
2441 * java/Make-lang.in (JAVA_HTMLFILES): New.
2442 (java.html): Use it.
2443 (java.install-html): New.
2444 * objc/Make-lang.in (objc.install-html): New.
2445 * objcp/Make-lang.in (obj-c++.install-html): New.
2446 * cp/Make-lang.in (c++.install-html): New.
2447 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
2448 * lto/Make-lang.in (lto.install-html): New.
2450 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2453 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
2455 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
2457 PR rtl-optimization/41862
2458 * store-motion.c (store_killed_in_insn, compute_store_table,
2459 remove_reachable_equiv_notes, replace_store_insn,
2460 build_store_vectors): Ignore all DEBUG_INSNs.
2462 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2465 * common.opt: Add dumpdir.
2467 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
2469 (option_map): Add --dumpdir.
2471 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
2473 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
2475 * opts.c (decode_options): Try dump_dir_name first if
2476 dump_base_name isn't an absolute path.
2477 (common_handle_option): Handle OPT_dumpdir.
2479 * toplev.c (dump_dir_name): New.
2480 (print_switch_values): Also ignore -dumpdir.
2482 * toplev.h (dump_dir_name): New.
2484 2010-01-03 Richard Guenther <rguenther@suse.de>
2486 PR tree-optimization/42589
2487 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
2488 double-word expansion of bswap32.
2490 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
2492 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
2493 with BLOCK_FOR_INSN.
2494 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
2495 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
2496 noce_process_if_block): Likewise.
2497 * gcse.c (compute_local_properties, insert_expr_in_table,
2498 insert_set_in_table, canon_list_insert, find_avail_set,
2499 pre_insert_copy_insn): Likewise.
2501 * basic-block.h (BLOCK_NUM): Move from here...
2502 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
2504 2010-01-03 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/42438
2507 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
2508 contains_may_not_return_call flag.
2509 (BB_MAY_NOTRETURN): New.
2510 (valid_in_sets): Trapping nary operations are not valid
2511 in blocks that may not return.
2512 (insert_into_preds_of_block): Remove check for trapping expressions.
2513 (compute_avail): Compute also BB_MAY_NOTRETURN.
2515 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
2517 * doc/invoke.texi: Add 2010 to copyright years.
2519 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
2521 * config/sparc/sparc.c: Fix formatting nits.
2523 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
2524 Alexander Monakov <amonakov@ispras.ru>
2526 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
2528 2010-01-02 Richard Guenther <rguenther@suse.de>
2531 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
2532 (simplify_switch_using_ranges): Mark to be removed edges
2535 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2537 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2539 * collect2.c (scan_libraries): Add missing argument in call to
2542 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
2545 * config/alpha/predicates.md (aligned_memory_operand): Return false
2547 (unaligned_memory_operand): Return true for CQImode.
2548 * config/alpha/alpha.c (get_aligned_mem): Assert that location
2549 doesn not cross aligned SImode word boundary.
2551 2010-01-02 Anatoly Sokolov <aesok@post.ru>
2553 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
2555 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
2556 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
2558 2010-01-02 Richard Guenther <rguenther@suse.de>
2561 * toplev.c (compile_file): Emit LTO marker properly. Change
2563 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
2565 2010-01-01 Richard Guenther <rguenther@suse.de>
2568 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
2570 2010-01-01 Richard Guenther <rguenther@suse.de>
2573 * c-decl.c (grokdeclarator): For zero-size arrays force
2574 structural equality checks as layout_type does.
2576 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2578 * builtins.c: Update copyright to 2010.
2580 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2583 * lto-streamer-out.c (produce_asm): Revert the last change.
2584 (copy_function): Likewise.
2586 * lto-streamer.c (lto_get_section_name): Skip any leading
2589 2010-01-01 Richard Guenther <rguenther@suse.de>
2592 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
2596 Copyright (C) 2010 Free Software Foundation, Inc.
2598 Copying and distribution of this file, with or without modification,
2599 are permitted in any medium without royalty provided the copyright
2600 notice and this notice are preserved.
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