1 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4 * c-common.c (conversion_warning): Remove widening conversions
5 before checking the conversion of integers to reals.
7 2010-02-19 Mike Stump <mikestump@comcast.net>
10 * cgraphunit.c (process_function_and_variable_attributes): Check
11 DECL_PRESERVE_P instead of looking up attribute "used".
12 * ipa-pure-const.c (check_decl): Likewise.
13 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
14 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
15 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
16 instead of attribute "used".
17 * config/sol2-c.c (solaris_pragma_init): Likewise.
18 (solaris_pragma_fini): Likewise.
20 2010-02-19 Jakub Jelinek <jakub@redhat.com>
22 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
23 Use XCNEW instead of xcalloc.
24 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
25 XNEW instead of xmalloc.
26 (get_fields): Use XNEWVEC instead of xmalloc.
29 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
31 (create_new_general_access): For debug stmts just reset value.
32 (get_stmt_accesses): For accesses within debug stmts just record them
33 using add_access_to_acc_sites instead of preventing the peeling or
34 counting them as accesses.
37 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
39 2010-02-19 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/42916
42 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
45 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
47 * configure.ac: Replace all uses of changequote in macro arguments
50 2010-02-19 Jakub Jelinek <jakub@redhat.com>
53 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
55 2010-02-19 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/42944
58 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
59 test for aliasing with errno.
61 2010-02-19 Jakub Jelinek <jakub@redhat.com>
64 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
65 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
66 * dojump.c: Include output.h.
67 (inv): New inline function.
68 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
69 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
70 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
71 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
72 argument, pass it down to other calls.
73 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
74 add REG_BR_PROB note to the conditional jump.
75 * cfgexpand.c (add_reg_br_prob_note): Removed.
76 (expand_gimple_cond): Don't call it, add the probability
77 as last argument to jumpif_1/jumpifnot_1.
78 * Makefile.in (dojump.o): Depend on output.h.
79 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
81 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
82 * stmt.c (do_jump_if_equal): Likewise.
83 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
84 * loop-unswitch.c (compare_and_jump_seq): Likewise.
85 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
87 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
88 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
90 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
92 (store_expr): Adjust jumpifnot caller.
93 (store_constructor): Adjust jumpif caller.
96 * gimplify.c (gimple_boolify): For __builtin_expect call
97 gimple_boolify also on its first argument.
99 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
101 * configure.ac (gnu-unique-object): Wrap regexps using [] in
103 (__stack_chk_fail): Ditto. Remove quadrigraphs.
104 * configure: Regenerated.
106 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
108 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
109 lang_hooks.types_compatible_p instead of comptypes.
111 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
113 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
114 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
115 if __prefer_thumb__ is defined.
117 2010-02-18 Martin Jambor <mjambor@suse.cz>
119 PR tree-optimization/43066
120 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
121 array with zero-sized element type.
123 2010-02-18 Jakub Jelinek <jakub@redhat.com>
125 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
126 rtx, allocate struct var_loc_node here and return it to the
127 caller, and only if it is actually needed.
128 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
129 move it earlier and return immediately if it returns NULL.
131 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
133 * config/sparc/gas.h: New file. Restore
134 TARGET_ASM_NAMED_SECTION to its ELF default.
135 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
137 * config/sparc/sparc.c (sparc_elf_asm_named_section):
138 Likewise. Add ATTRIBUTE_UNUSED to prototype.
139 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
142 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
144 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
146 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
148 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
149 patterns from predicated pattern.
151 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
154 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
155 for insn mnemonic suffix.
157 2010-02-17 Richard Guenther <rguenther@suse.de>
159 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
162 2010-02-17 Jakub Jelinek <jakub@redhat.com>
165 * caller-save.c (save_call_clobbered_regs): If BB ends with
166 a DEBUG_INSN, move any notes in between last real insn and the last
167 DEBUG_INSN after the last DEBUG_INSN.
169 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
171 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
172 Fix return type. Fix argument type. Explain meaning of return value.
174 2010-02-16 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/41043
177 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
178 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
180 (vrp_visit_phi_node): ... but only for loop PHI nodes.
182 2010-02-16 Ira Rosen <irar@il.ibm.com>
184 PR tree-optimization/43074
185 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
186 * tree-vect-loop.c (vect_analyze_loop_operations): Add
187 vectorizable cycles in hybrid SLP check.
188 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
190 2010-02-16 Richard Guenther <rguenther@suse.de>
192 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
193 (true_dependence): If memrefs_conflict_p computes must-alias
194 trust it. Move TBAA check after offset-based disambiguation.
195 (canon_true_dependence): Likewise.
197 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
199 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
200 * doc/invoke.texi: Document it.
201 * var-tracking.c: Include toplev.h and params.h.
202 (vt_find_locations): Return bool indicating success. Compute
203 hash sizes unconditionally. Check new parameter, report.
204 (variable_tracking_main_1): Check vt_find_locations results and
205 retry. Renamed from...
206 (variable_tracking_main): ... this. New wrapper to preserve
207 flag_var_tracking_assignments.
208 * Makefile.in (var-tracking.o): Adjust dependencies.
210 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
211 Jakub Jelinek <jakub@redhat.com>
214 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
215 if weak_import attribute is present.
216 * config/darwin.c (machopic_select_section): Likewise.
218 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
220 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
221 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
222 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
223 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
225 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
227 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
230 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
231 Rewrite text to refer to the names.
233 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
235 * config/i386/i386-builtin-types.def
236 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
237 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
238 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
239 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
240 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
241 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
242 IX86_BUILTIN_VPERMIL2PS256.
243 (MULTI_ARG_4_DF2_DI_I): Defined.
244 (MULTI_ARG_4_DF2_DI_I1): Defined.
245 (MULTI_ARG_4_SF2_SI_I): Defined.
246 (MULTI_ARG_4_SF2_SI_I1): Defined.
247 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
248 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
249 __builtin_ia32_vpermil2ps256.
250 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
251 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
252 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
253 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
254 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
255 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
256 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
257 CODE_FOR_xop_vpermil2v8sf3.
258 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
259 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
260 * config/i386/xopintrin.h (_mm_permute2_pd): New.
261 (_mm256_permute2_pd): New.
262 (_mm_permute2_ps): New.
263 (_mm256_permute2_ps): New.
265 2010-02-15 Nick Clifton <nickc@redhat.com>
267 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
268 boolean parameters. Use emit_jump_insn when emitting a pop
269 instruction containing a return insn.
270 (push): Use 'true' rather than '1' as second parameter to F.
271 (h8300_expand_prologue): Likewise.
272 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
273 (h8300_expand_epilogue): Likewise.
275 2010-02-15 Richard Guenther <rguenther@suse.de>
278 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
281 2010-02-15 Nick Clifton <nickc@redhat.com>
283 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
286 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
288 * intl.c (fake_ngettext): New function.
289 * intl.h (fake_ngettext): Declare.
290 (ngettext): Define macro.
291 * collect2.c (notice_translated): New function.
292 (main): Use notice_translated and ngettext.
293 * collect2.h (notice_translated): Declare.
295 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
297 * reorg.c (delete_computation): Comment fixes.
298 * caller-save.c (setup_save_areas): Idem.
299 * sel-sched-dump.c (dump_lv_set): Idem.
302 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
304 * config/s390/s390.c (s390_sched_init): New function.
305 (TARGET_SCHED_INIT): Target hook defined.
307 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
308 Jack Howarth <howarth@bromo.med.uc.edu>
309 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
312 Partial revert of unintended change in fix for PR41605.
313 * config/darwin.h: Fix typo.
314 * config/darwin9.h: Same.
316 2010-02-11 Jakub Jelinek <jakub@redhat.com>
318 * c-pch.c (pch_init): Clear v.
320 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
323 * graphite-scop-detection.c (graphite_can_represent_scev): Call
324 graphite_can_represent_init for MULT_EXPR.
326 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
330 * graphite-sese-to-poly.c (remove_phi): New.
331 (translate_scalar_reduction_to_array): Call remove_phi.
333 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
336 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
337 * graphite-clast-to-gimple.h (gloog): Update declaration.
338 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
339 * graphite-poly.h (struct poly_bb): Add missing comments.
340 (struct scop): Add poly_scop_p field.
342 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
343 * graphite.c (graphite_transform_loops): Build the polyhedral
344 representation for each scop before code generation.
345 * sese.c (rename_variables_in_operand): Removed.
346 (rename_variables_in_expr): Return the renamed expression.
347 (rename_sese_parameters): New.
348 * sese.h (rename_sese_parameters): Declared.
350 2010-02-11 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/42998
353 * tree-ssa-pre.c (create_expression_by_pieces): Treat
354 POINTER_PLUS_EXPR properly.
356 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
357 Changpeng Fang <changpeng.fang@amd.com>
360 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
361 the cost of an IV candidate when the IV is used in a test against zero.
363 * gcc.dg/tree-ssa/ivopts-3.c: New.
365 2010-02-11 Richard Guenther <rguenther@suse.de>
368 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
369 pointer-vs-decl case by swapping refs. Handle some cases
370 of pointer-vs-decl disambiguations more conservatively.
371 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
372 to false after expanding.
374 2010-02-11 Richard Guenther <rguenther@suse.de>
377 * gcc.c (process_command): Handle LTO file@offset case more
380 2010-02-11 Jakub Jelinek <jakub@redhat.com>
382 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
383 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
385 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
387 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
388 if MEM's mode size isn't DWARF2_ADDR_SIZE.
389 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
390 Optimize eq/ne comparisons when both arguments are known to be
392 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
393 Don't mask operands unnecessarily if they are known to be already
396 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
398 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
401 2010-02-10 Richard Guenther <rguenther@suse.de>
403 PR tree-optimization/43017
404 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
405 for wrapping signed arithmetic.
407 2010-02-10 Jakub Jelinek <jakub@redhat.com>
410 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
411 if no debug info should be emitted for it.
413 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
415 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
416 note when flag_exceptions is set.
418 2010-02-10 Duncan Sands <baldrick@free.fr>
420 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
422 2010-02-10 Richard Guenther <rguenther@suse.de>
425 * tree.c (get_unwidened): Handle constants.
426 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
428 2010-02-10 Martin Jambor <mjambor@suse.cz>
431 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
432 check for variable argument counts independently.
434 2010-02-10 Christian Bruel <christian.bruel@st.com>
437 * config/sh/sh.c (find_barrier): Increase length for non delayed
438 conditional branches.
440 2010-02-10 Christian Bruel <christian.bruel@st.com>
442 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
444 2010-02-10 Jakub Jelinek <jakub@redhat.com>
446 * builtins.c (set_builtin_user_assembler_name): Also handle
447 ffs if int is smaller than word.
449 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
452 * ira-conflicts.c (get_dup): Remove.
453 (process_reg_shuffles): Add new parameter. Use it as an
454 additional guard for copy generation.
455 (add_insn_allocno_copies): Rewrite.
457 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
459 * common.opt (fsched2-use-traces): Preserved for backward
461 * doc/invoke.texi: Remove the documentation about option
463 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
464 flag_sched2_use_traces.
465 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
466 the backward compatibility flag section.
468 2010-02-09 Richard Guenther <rguenther@suse.de>
470 PR tree-optimization/43008
471 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
472 make HEAP variables initialized from global memory if they
473 are not known builtin functions.
474 (find_func_aliases): Adjust.
476 2010-02-09 Richard Guenther <rguenther@suse.de>
478 PR tree-optimization/43000
479 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
482 2010-02-08 Jakub Jelinek <jakub@redhat.com>
484 PR tree-optimization/42931
485 * tree-loop-linear.c (try_interchange_loops): Don't call
486 double_int_mul if estimated_loop_iterations failed.
488 2010-02-08 Martin Jambor <mjambor@suse.cz>
491 * tree-sra.c (build_accesses_from_assign): Do not mark in
492 should_scalarize_away_bitmap if stmt has volatile ops.
493 (sra_modify_assign): Do not process assigns piecemeal if if stmt
496 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
498 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
500 2010-02-07 Adam Nemet <adambnmet@gmail.com>
502 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
505 2010-02-07 Andrew Pinski <pinskia@gmail.com>
508 * df-core.c (df_finish_pass): Change type of saved_flags to int.
510 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
513 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
514 to unknown_dependence.
515 (graphite_legal_transform_dr): Handle the unknown_dependence.
516 (graphite_carried_dependence_level_k): Same.
518 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
520 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
522 2010-02-07 Richard Guenther <rguenther@suse.de>
525 * expr.c (get_inner_reference): Always initialize *pbitsize.
527 2010-02-07 Richard Guenther <rguenther@suse.de>
530 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
531 new ARRAY_REFs on variable size element or minimal index arrays.
533 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
534 gimple_fold_indirect_ref.
536 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
539 * arm.c (arm_override_options): Just return if the user has specified
542 2010-02-03 Jason Merrill <jason@redhat.com>
545 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
546 i386_pe_maybe_record_exported_symbol.
548 2010-02-05 Steve Ellcey <sje@cup.hp.com>
551 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
552 (pa_delegitimize_address): New function.
554 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
556 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
557 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
559 2010-02-05 Richard Guenther <rguenther@suse.de>
562 * lto-streamer-in.c (get_resolution): Deal with references
563 to undefined functions.
565 2010-02-05 Richard Guenther <rguenther@suse.de>
567 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
568 (fold_const_aggregate_ref): Likewise.
569 (ccp_fold_stmt): Substitute loads.
570 (maybe_fold_reference): Verify types before substituting.
572 (fold_gimple_assign): Unshare properly.
573 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
575 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
577 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
578 for rs6000_gen_cell_microcode.
580 2010-02-04 Richard Guenther <rguenther@suse.de>
582 PR rtl-optimization/42952
583 * dse.c (const_or_frame_p): Remove MEM handling.
585 2010-02-04 Nick Clifton <nickc@redhat.com>
587 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
588 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
589 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
590 (mn10300_asm_output_mi_thunk): New function.
591 (mn10300_can_output_mu_thunk): New function.
592 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
593 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
594 (FUNCTION_ARG): Delete incorrect comment.
596 2010-02-03 Jason Merrill <jason@redhat.com>
599 * fold-const.c (operand_equal_p): Handle erroneous types.
601 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
603 * config/h8300/h8300.md (can_delay): Fix attibute condition.
605 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
607 PR rtl-optimization/42941
608 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
611 2010-02-03 Jason Merrill <jason@redhat.com>
614 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
616 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
619 * cselib.h (struct cselib_val_struct): Add uid. Rename value to
621 (cselib_reset_table): Renamed from...
622 (cselib_reset_table_with_next_value): ... this.
623 (cselib_get_next_uid): Renamed from...
624 (cselib_get_next_unknown_value): ... this.
625 * cselib.c (next_uid): Renamed from...
626 (next_unknown_value): ... this.
627 (cselib_clear_table): Adjust.
628 (cselib_reset_table): Adjust. Renamed from...
629 (cselib_reset_table_with_next_value): ... this.
630 (cselib_get_next_uid): Adjust. Renamed from...
631 (cselib_get_next_unknown_value): ... this.
632 (get_value_hash): Use hash.
633 (cselib_hash_rtx): Likewise.
634 (new_cselib_val): Adjust. Set and dump uid.
635 (cselib_lookup_mem): Pass next_uid as hash.
636 (cselib_subst_to_values): Likewise.
637 (cselib_log_lookup): Dump uid.
638 (cselib_lookup): Pass next_uid as hash. Adjust.
639 (cselib_process_insn): Adjust.
640 (cselib_init): Initialize next_uid.
641 (cselib_finish): Adjust.
642 (dump_cselib_table): Likewise.
643 * dse.c (canon_address): Dump value uid.
644 * print-rtl.c (print_rtx): Print value uid.
645 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
647 (dv_uid): New function, sort of renamed from...
648 (dv_htab_hash): ... this, reimplemented in terms of it and...
649 (dv_uid2hash): ... this. New.
650 (variable_htab_eq): Drop excess assertions.
651 (tie_break_pointers): Removed.
652 (canon_value_cmp): Compare uids.
653 (variable_post_merge_New_vals): Print uids.
654 (vt_add_function_parameters): Adjust.
655 (vt_initialize): Reset table. Adjust.
657 2010-02-03 Richard Guenther <rguenther@suse.de>
659 PR tree-optimization/42944
660 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
661 (call_may_clobber_ref_p_1): Likewise. Properly handle
662 malloc and calloc clobbering errno.
664 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
666 * doc/invoke.texi: Fix name of sched1 dump.
668 * opts.c (decode_options): Set flag_tree_switch_conversion
669 only conditionally on optimize >= 2.
671 * gcse.c: Assorted comment fixes in pass description.
673 2010-02-03 Anthony Green <green@moxielogic.com>
675 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
676 nop padding in order to maintain alignment of storage location of
677 target function address.
678 (moxie_trampoline_init): Store target function address at newly
680 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
682 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
684 2010-02-03 Richard Guenther <rguenther@suse.de>
687 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
689 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
691 * config.gcc: Reenable check for obsolete targets.
692 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
693 mips-sgi-irix6.[0-4]*.
695 2010-02-02 Nick Clifton <nickc@redhat.com>
697 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
698 constant size of 4 as being the same as 0.
699 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
700 can take values in the range 0..4.
702 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
705 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
706 as _darwin10_Unwind_FindEnclosingFunction().
707 * libgcc-libsystem.ver: New.
709 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
712 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
713 implicitly set registers.
715 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
717 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
718 (arm_override_options): Allow automatic selection of the thread
719 pointer register if thumb2.
720 (legitimize_pic_address): Improve code sequences for Thumb2.
721 (arm_call_tls_get_addr): Likewise.
722 (legitimize_tls_address): Likewise.
723 * arm.md (pic_load_addr_arm): Delete. Replace with ...
724 (pic_load_addr_32bit): ... this. New named pattern.
725 * thumb2.md (pic_load_addr_thumb2): Delete.
726 (pic_load_dot_plus_four): Delete.
727 (tls_load_dot_plus_four): New named pattern.
729 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
732 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
733 Document fix for TLS bug.
735 2010-01-31 Richard Guenther <rguenther@suse.de>
737 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
738 conservatively correct.
740 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
744 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
746 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
748 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
750 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
752 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
754 * config.gcc: Adjust order of makefile fragments for mingw targets.
756 2010-01-31 Richard Guenther <rguenther@suse.de>
759 * gimplify.c (gimplify_init_constructor): For volatile LHS
760 initialize a temporary.
762 2010-01-31 Matthias Klose <doko@ubuntu.com>
764 * configure.ac: Fix __stack_chk_fail check for cross builds configured
766 * configure: Regenerate.
768 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
770 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
771 the same alias set and their sizes different constantness.
772 (aliasing_component_refs_p): Revert 2009-10-24 change.
774 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
776 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
779 2010-01-29 Richard Guenther <rguenther@suse.de>
781 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
782 Assert we successfully updated the call.
784 2010-01-29 Jakub Jelinek <jakub@redhat.com>
786 PR rtl-optimization/42889
787 * df.h (df_set_bb_dirty_nonlr): New prototype.
788 * df-core.c (df_set_bb_dirty_nonlr): New function.
789 * df-scan.c (df_insn_rescan): Call it instead of
790 df_set_bb_dirty for DEBUG_INSNs.
792 2010-01-29 Richard Guenther <rguenther@suse.de>
795 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
796 quadratic behavior in most cases.
798 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
801 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
802 in the call to gen_x86_movsicc_0_m1.
804 2010-01-28 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/42871
807 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
809 2010-01-28 Richard Guenther <rguenther@suse.de>
811 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
814 2010-01-28 Richard Guenther <rguenther@suse.de>
817 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
818 the forwarder if the destination is an EH landing pad.
820 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
822 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
823 block list passed to gimple_duplicate_sese_tail.
824 (parallelize_loops): Avoid parallelization when the function
826 Avoid parallelization when the preheader is IRREDUCIBLE.
827 Try to optimize when estimated_loop_iterations_int is unresolved.
828 Add the loop's location to the dump file.
829 * tree-cfg.c (add_phi_args_after_redirect): Remove.
830 (gimple_duplicate_sese_tail): Remove the check for the latch.
831 Redirect nexits to the exit block.
832 Remove handling of the incoming edges to the latch.
833 Redirect the backedge from the copied latch to the exit bb.
835 2010-01-28 Michael Matz <matz@suse.de>
838 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
839 Wrap force_reg into a sequence, emit it before user.
841 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
843 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
845 (arm_legacy_rev): Likewise.
846 (thumb_legacy_rev): Likewise.
848 2010-01-27 Jakub Jelinek <jakub@redhat.com>
850 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
851 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
852 on MEM's address failed, try avoid_constant_pool_reference and
853 recurse if it returned something different.
854 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
855 address, try avoid_constant_pool_reference and recurse if it
856 returned something different.
857 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
858 address and avoid_constant_pool_reference returned something
859 different, don't set have_address.
861 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
864 * var-tracking.c (val_store): Add modified argument, obey it.
866 (count_uses): Move down logging of main.
867 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
868 don't need resolution.
869 (emit_notes_in_bb): Likewise.
871 2010-01-27 Richard Guenther <rguenther@suse.de>
874 * tree-inline.c (remap_decl): Delay remapping of SSA name
875 default definitions until we need them.
877 2010-01-27 Jakub Jelinek <jakub@redhat.com>
879 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
880 (rs6000_delegitimize_address): New function.
882 * config/s390/s390.c (s390_delegitimize_address): Call
883 delegitimize_mem_from_attrs.
886 * tree-inline.c (cannot_copy_type_1): Removed.
887 (copy_forbidden): Don't forbid copying of functions containing
888 records/unions with variable length fields.
890 2010-01-27 Christian Bruel <christian.bruel@st.com>
894 * config/sh/sh.c (find_barrier): Increase length for non delayed
895 conditional branches.
897 2010-01-27 Matthias Klose <doko@ubuntu.com>
899 * configure.ac (gnu-unique-object): Fix ldd version check.
900 * configure: Regenerate.
902 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
904 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
906 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
907 Test for HAVE_GNU_AS value.
909 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
911 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
912 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
914 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
915 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
916 INT_LEAST64_TYPE): Define.
917 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
918 UINT_LEAST64_TYPE): Define.
919 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
920 INT_FAST64_TYPE): Define.
921 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
922 UINT_FAST64_TYPE): Define.
923 (INTMAX_TYPE, UINTMAX_TYPE): Define.
924 (INTPTR_TYPE, UINTPTR_TYPE): Define.
925 (SIG_ATOMIC_TYPE): Define.
927 2010-01-26 Richard Guenther <rguenther@suse.de>
929 * df-scan.c (df_scan_set_bb_info): Remove assert.
930 (df_insn_rescan_debug_internal): Merge asserts.
931 (df_install_ref): Likewise.
932 (df_mark_reg): Use bitmap_set_range.
933 (df_hard_reg_used_p): Remove assert.
934 (df_hard_reg_used_count): Likewise.
936 2010-01-26 Richard Guenther <rguenther@suse.de>
938 PR rtl-optimization/42685
939 * web.c (web_main): Ignore DEBUG_INSNs.
941 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
943 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
945 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
946 Fix types of fndecl and arglist parameters.
948 2010-01-26 Richard Guenther <rguenther@suse.de>
951 * tree-eh.c (unsplit_eh): Skip debug insns.
953 2010-01-26 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/42250
956 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
958 2010-01-26 Jakub Jelinek <jakub@redhat.com>
961 * omp-low.c (expand_omp_sections): Only use single_pred if
962 l2_bb is single_pred_p.
964 2010-01-25 Christian Bruel <christian.bruel@st.com>
967 * config/sh/sh.c (find_barrier): Increase length for non delayed
968 conditional branches.
969 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
971 2010-01-24 David S. Miller <davem@davemloft.net>
973 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
974 define if not using GAS.
975 * config/sparc/sparc.c (sparc_elf_asm_named_section):
976 Likewise. Delete SECTION_MERGE code, which is only applicable
979 2010-01-24 Mark Mitchell <mark@codesourcery.com>
982 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
983 mangling of va_list in system headers.
985 2010-01-23 Toon Moene <toon@moene.org>
987 * tree-predcom.c (combine_chains): Return NULL, not false.
989 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
991 * tree-loop-distribution.c (distribute_loop): Fix declaration and
992 initialization of variable res to agree with return type.
994 2010-01-22 Steve Ellcey <sje@cup.hp.com>
996 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
997 * tree-sra.c: Add include of expr.h.
999 2010-01-22 Jakub Jelinek <jakub@redhat.com>
1001 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
1002 insert the debug stmt on the single non-EH edge from the stmt.
1004 2010-01-22 Richard Henderson <rth@redhat.com>
1007 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
1008 the RHS until after generate_subtree_copies has insertted its
1009 code before the current statement.
1011 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
1013 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
1015 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
1017 2010-01-21 Martin Jambor <mjambor@suse.cz>
1019 PR tree-optimization/42585
1020 * tree-sra.c (struct access): New field grp_total_scalarization.
1021 (dump_access): Dump the new field.
1022 (should_scalarize_away_bitmap): New variable.
1023 (cannot_scalarize_away_bitmap): Likewise.
1024 (sra_initialize): Allocate new bitmaps.
1025 (sra_deinitialize): Free new bitmaps.
1026 (create_access_1): New function.
1027 (create_access): Parts moved to create_access_1.
1028 (type_consists_of_records_p): New function.
1029 (completely_scalarize_record): Likewise.
1030 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
1031 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
1032 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
1034 (analyze_all_variable_accesses): Completely scalarize small eligible
1037 2010-01-21 Martin Jambor <mjambor@suse.cz>
1039 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
1041 2010-01-21 Andrew Haley <aph@redhat.com>
1043 * gcc.c (process_command): Move lang_specific_driver before
1044 setting cc_libexec_prefix.
1046 2010-01-21 Richard Guenther <rguenther@suse.de>
1049 * fold-const.c (negate_expr_p): Pretend only negative
1050 real constants are easily negatable.
1052 2010-01-20 Janis Johnson <janis187@us.ibm.com>
1053 Jason Merrill <jason@redhat.com>
1055 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
1056 (TYPE_TRANSPARENT_AGGR): this, for union and record.
1057 * calls.c (initialize argument_information): Handle it.
1058 * c-common.c (handle_transparent_union_attribute): Use new name.
1059 * c-decl.c (finish_struct): Ditto.
1060 * c-typeck.c (type_lists_compatible_p): Ditto.
1061 (convert_for_assignment): Use new name and also handle record.
1062 * function.c (aggregate_value_p): Handle it.
1063 (pass_by_reference): Ditto.
1064 (assign_parm_data_types): Ditto.
1065 * print-tree.c (print_node): Ditto.
1066 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
1067 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
1068 * tree.c (first_field): New fn.
1070 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1073 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
1074 even when linking statically, for now.
1076 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1079 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
1080 without a cselib val.
1081 (count_uses): Accept MO_VAL_SET with no val on stores.
1082 (add_stores): Likewise.
1084 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1086 * var-tracking.c (check_value_val): Add a compile time assertion.
1087 (dv_is_decl_p): Simplify.
1088 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
1089 gcc_assert if ENABLE_CHECKING.
1091 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1094 * var-tracking.c: Include tree-flow.h.
1095 (mem_dies_at_call): New.
1096 (dataflow_set_preserve_mem_locs): Use it.
1097 (dataflow_set_remove_mem_locs): Likewise.
1098 (dump_var): Renamed from dump_variable. Adjust all callers.
1099 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
1100 * Makefile.in (var-tracking.o): Adjust deps.
1102 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
1104 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
1106 2010-01-20 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/42717
1109 * tree-ssa-dce.c (get_live_post_dom): Remove.
1110 (forward_edge_to_pdom): Take an arbitrary edge to copy
1111 degenerate PHI args from.
1112 (remove_dead_stmt): Use the first post-dominator even if it
1113 does not contain live statements as redirection destination.
1115 2010-01-20 Richard Guenther <rguenther@suse.de>
1117 * tree-inline.c (estimate_num_insns): Handle EH builtins.
1119 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1121 * sel-sched.c (create_speculation_check): Remove set but not used
1123 (try_transformation_cache): Remove set but not used variable ds.
1124 (calculate_privileged_insns): Remove set but not used variables
1125 cur_insn and min_spec_insn.
1126 (find_best_expr): Remove set but not used variable avail_n.
1127 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
1129 * cgraphunit.c (assemble_thunk): Remove set but not used variable
1131 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
1132 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
1135 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
1138 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
1139 cpu types. Add support for *-sse3 cpu types.
1140 (x86_64-*-*): Ditto.
1142 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1145 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
1146 argument, call initializer_constant_valid_p_1 instead of
1147 initializer_constant_valid_p, pass CACHE to it, return NULL
1148 immediately if first call returns NULL.
1149 (initializer_constant_valid_p_1): New function.
1150 (initializer_constant_valid_p): Use it.
1152 2010-01-20 Thomas Quinot <quinot@adacore.com>
1154 * tree.def (PLACEHOLDER_EXPR): Fix comment.
1156 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1158 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
1159 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
1160 (loc_list_from_tree): Don't handle unsigned division. Handle
1161 signed modulo using DW_OP_{over,over,div,mul,minus}.
1162 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
1163 modulo instead of signed.
1165 2010-01-20 DJ Delorie <dj@redhat.com>
1167 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
1169 (h8300_emit_stack_adjustment): Propogate it.
1171 (h8300_expand_prologue): Likewise.
1172 (h8300_expand_epilogue): Likewise.
1174 2010-01-19 Michael Matz <matz@suse.de>
1176 PR tree-optimization/41783
1177 * tree-data-ref.c (toplevel): Include flags.h.
1178 (dump_data_dependence_relation): Also dump the inputs if the
1179 result will be unknown.
1180 (split_constant_offset_1): Look through some conversions.
1181 * tree-predcom.c (determine_roots_comp): Restart a new chain if
1182 the offset from last element is too large.
1183 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
1184 (reassociate_to_the_same_stmt): Handle vector registers.
1185 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
1187 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
1188 wide_prolog_niters argument, emit widening instructions.
1189 (vect_do_peeling_for_alignment): Adjust caller, use widened
1190 variant of the iteration cound.
1191 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
1193 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1196 * config/arm/neon-testgen.m (emit_automatics): New parameter
1197 features. Adjust for Fixed_return_reg feature.
1198 (test_intrinsic): Call emit_automatics with new feature.
1199 * config/arm/neon.ml: Update copyright years.
1200 (features): New Fixed_return_reg feature.
1201 (ops): Update feature for Vget_low.
1203 2010-01-19 Jakub Jelinek <jakub@redhat.com>
1205 PR tree-optimization/42719
1206 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
1210 * fwprop.c (all_uses_available_at): Return false if def_set dest
1211 is a REG that is used in def_insn.
1213 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
1215 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
1217 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
1220 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
1222 * target.h (struct gcc_target) <secondary_reload>: Change type
1223 of last argument to secondary_reload_info *.
1225 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
1228 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
1229 memory references with unaligned offsets. Remove CQImode handling.
1230 (unaligned_memory_operand): Return 1 for memory references with
1231 unaligned offsets. Remove CQImode handling.
1233 2010-01-18 Richard Guenther <rguenther@suse.de>
1236 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
1239 2010-01-18 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/42781
1242 * tree-ssa-structalias.c (find_what_var_points_to): Skip
1243 restrict processing only if the original variable was artificial.
1245 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
1247 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
1248 find number of popped argument bytes.
1250 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
1251 Fix the text that describes the return value for invalid insns.
1253 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
1255 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
1256 Clarify what 'cost of the -dependence' is. Fix quoting.
1258 * toplev.c (default_get_pch_validity): Rename argument to "sz".
1259 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
1261 2010-01-17 Jakub Jelinek <jakub@redhat.com>
1263 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1264 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
1266 2010-01-17 Richard Guenther <rguenther@suse.de>
1269 * function.c (split_complex_args): Take a VEC to modify.
1270 (assign_parms_augmented_arg_list): Build a VEC instead of
1271 a chain of PARM_DECLs.
1272 (assign_parms_unsplit_complex): Take a VEC of arguments.
1273 Do not fixup unmodified parms.
1274 (assign_parms): Deal with the VEC.
1275 (gimplify_parameters): Likewise.
1277 2010-01-17 Richard Guenther <rguenther@suse.de>
1279 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
1280 node existence check.
1281 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
1282 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
1283 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
1284 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
1285 (gimple_execute_on_growing_pred): Likewise.
1287 2010-01-17 Richard Guenther <rguenther@suse.de>
1289 PR tree-optimization/42773
1290 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
1291 (compute_antic_aux): Likewise.
1292 (compute_partial_antic_aux): Likewise.
1294 2010-01-17 Jie Zhang <jie.zhang@analog.com>
1297 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
1300 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
1302 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
1305 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
1306 Fix markup for strict argument.
1308 (TARGET_SCHED_REORDER2): Fix argument types.
1310 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
1311 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
1313 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
1314 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
1316 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
1319 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
1320 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
1321 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
1322 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
1323 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
1325 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
1327 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
1329 (TARGET_ASM_RELOC_RW_MASK): Add return type.
1330 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
1332 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
1334 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
1337 (TARGET_ASM_NAMED_SECTION): Fix argument list.
1339 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
1340 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
1342 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1344 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1346 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1347 referring to it. Fix language.
1349 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1351 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1353 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1355 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1357 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1358 '@var{stream}. Remove stray 'and'.
1360 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1362 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1364 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1366 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
1367 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
1369 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
1370 Fix description of return value.
1371 Rename argument "sz" to "len."
1373 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
1374 Clarify meaning of 'true' return value.
1376 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
1378 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
1379 rep_mode versus mode_rep.
1381 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
1383 (TARGET_BUILTIN_DECL): Fix name.
1385 (TARGET_COMMUTATIVE_P): Fix type of first argument.
1387 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
1389 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
1391 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
1393 (TARGET_RELAXED_ORDERING): Use @deftypevr.
1395 (TARGET_GET_DRAP_RTX): Note that this is a hook.
1398 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
1399 Rename argument tm_fn to md_fn.
1401 (TARGET_OPTION_PRINT): Fix argument list.
1403 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
1406 * config/i386/i386.c (ix86_fixup_binary_operands):
1407 Revert FMA4 fixup of operands.
1409 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1412 * Makefile.in (write_entries_to_file, install-plugin):
1413 Use \012 instead of \n with tr.
1415 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
1417 * configure.ac (HAVE_AS_REF): New C macro.
1418 * configure: Regenerate.
1419 * config.in: Likewise.
1420 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
1422 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
1425 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
1427 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
1429 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
1431 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
1433 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
1435 (TARGET_IN_SMALL_DATA_P): Fix argument type.
1437 (TARGET_BINDS_LOCAL_P): Fix argument type.
1439 (TARGET_ASM_FILE_END): Use prototype.
1441 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
1443 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
1445 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
1447 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
1449 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
1450 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
1452 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
1453 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
1455 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
1456 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1457 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
1458 (TARGET_ADDR_SPACE_CONVERT): Likewise.
1460 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
1462 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
1464 (TARGET_INIT_BUILTINS): Use prototype.
1466 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1467 Put 'const char *' in braces. Fix parameter types.
1468 (TARGET_INVALID_CONVERSION): Fix parameter types.
1469 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
1470 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
1472 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
1475 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
1477 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
1479 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
1481 * doc/tm.texi (TARGET_HELP): Fix return type.
1483 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
1484 in braces. Fix argument types.
1486 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
1488 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
1490 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
1492 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
1493 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
1495 (TARGET_MANGLE_TYPE): Fix argument types.
1497 (TARGET_IRA_COVER_CLASSES): Use prototype.
1499 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
1501 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
1503 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
1505 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
1507 (TARGET_CALLEE_COPIES): Fix argument types.
1509 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
1511 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
1513 (TARGET_FUNCTION_VALUE): Fix argument types.
1515 (TARGET_RETURN_IN_MSB): Fix argument type.
1517 (TARGET_RETURN_IN_MEMORY): Fix argument types.
1519 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
1521 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
1523 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
1524 agree with return type.
1526 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
1528 2010-01-15 Jing Yu <jingyu@google.com>
1530 PR rtl-optimization/42691
1531 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
1532 a pseudo to a constant and are merged, and adjust comments.
1534 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
1536 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
1538 2010-01-15 Richard Guenther <rguenther@suse.de>
1541 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
1542 labels of computed or non-local gotos to the destination.
1543 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
1544 landing pad label is the first label.
1546 2010-01-15 Richard Guenther <rguenther@suse.de>
1548 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
1550 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1553 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
1554 to allow generation of the xssqrtdp instruction on power7.
1555 (sqrtdf2_fpr): Ditto.
1557 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1560 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
1561 functions with noreturn attribute.
1564 * varasm.c (declare_weak): Add weak attribute to decl if it
1565 doesn't have one already.
1566 (assemble_external): Only add decls to weak_decls if they also
1567 have weak attribute.
1569 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
1571 * var-tracking.c (var_reg_delete): Don't delete the association
1572 between REGs and values or one-part variables if the register
1575 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1578 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
1579 because its first operand is a non-localized variable.
1581 2010-01-14 Martin Jambor <mjambor@suse.cz>
1583 PR tree-optimization/42706
1584 * tree-sra.c (encountered_recursive_call): New variable.
1585 (encountered_unchangable_recursive_call): Likewise.
1586 (sra_initialize): Initialize both new variables.
1587 (callsite_has_enough_arguments_p): New function.
1588 (scan_function): Call decl and flags check only for IPA-SRA, check
1589 whether there is a recursive call and whether it has enough arguments.
1590 (all_callers_have_enough_arguments_p): New function.
1591 (convert_callers): Look for recursive calls only when
1592 encountered_recursive_call is set.
1593 (ipa_early_sra): Bail out either if
1594 !all_callers_have_enough_arguments_p or
1595 encountered_unchangable_recursive_call.
1597 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1599 * sel-sched.c: Add 2010 to copyright years.
1600 * sel-sched-ir.c: Likewise.
1601 * sel-sched-ir.h: Likewise.
1603 2010-01-14 Martin Jambor <mjambor@suse.cz>
1605 PR tree-optimization/42714
1606 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
1607 constructors specially.
1609 2010-01-14 Andi Kleen <ak@linux.intel.com>
1611 * config/i386/drivers-i386.c (detect_caches_intel):
1612 Add l2sizekb parameter and fill in.
1613 (host_detect_local_cpu): Add l2sizekb, fill in.
1614 Add Atom small cache heuristic.
1616 2010-01-14 Andi Kleen <ak@linux.intel.com>
1618 * config/i386/drivers-i386.c (detect_caches_cpuid4):
1619 Add level3 parameter and fill in.
1620 (detect_caches_intel): Handle level3 cache.
1622 2010-01-14 Andi Kleen <ak@linux.intel.com>
1624 * config/i386/drivers-i386.c (host_detect_local_cpu):
1625 Fix core duo detection.
1627 2010-01-14 Andi Kleen <ak@linux.intel.com>
1629 * config/i386/drivers-i386.c (host_detect_local_cpu):
1632 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1634 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
1635 (rs6000_variable_issue_1): this. Use...
1636 (rs6000_variable_issue): here. Reimplement. Print debug info.
1638 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1640 * sel-sched-ir.c (sel_restore_other_notes): Rename to
1641 sel_restore_notes. Update all callers. Call reemit_notes
1644 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1646 PR rtl-optimization/42246
1647 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
1650 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1652 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
1653 all successors is the same as number of successors in current region.
1655 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1657 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
1658 to rename is not separable. Otherwise check that its LHS is not NULL.
1660 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1662 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
1664 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1666 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
1667 available registers when failed to discover LHS register class.
1668 Fix indentation. Update comment.
1670 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1671 Alexander Monakov <amonakov@ispras.ru>
1673 PR rtl-optimization/42389
1674 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
1676 (advance_state_on_fence): Likewise.
1677 (sel_target_adjust_priority): Print debug output only when
1678 sched_verbose >= 4, not 2.
1679 (get_expr_cost): Do not issue all unique insns on the next cycle.
1680 (fill_insns): Initialize can_issue_more from the value saved
1682 * sel-sched-ir.c (flist_add): New parameter issue_more.
1683 Init FENCE_ISSUE_MORE with it.
1684 (merge_fences): Likewise.
1685 (init_fences): Update call to flist_add.
1686 (add_to_fences, add_clean_fence_to_fences)
1687 (add_dirty_fence_to_fences): Likewise.
1688 (move_fence_to_fences): Update call to merge_fences.
1689 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
1691 * sel-sched-ir.h (struct _fence): New field issue_more.
1692 (FENCE_ISSUE_MORE): New accessor macro.
1694 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1696 PR rtl-optimization/42388
1697 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
1698 that have no predecessors nor successors. Do not call move_bb_info
1699 for empty blocks outside of current region.
1701 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1703 PR rtl-optimization/42294
1704 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
1705 * sel-sched.c (move_exprs_to_boundary): Transitively add all
1706 originators' originators.
1708 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1710 PR rtl-optimization/39453
1711 PR rtl-optimization/42246
1712 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
1714 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
1716 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1717 Alexander Monakov <amonakov@ispras.ru>
1720 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
1721 (maybe_tidy_empty_bb): ... here. Make static. Add new
1722 argument. Update all callers.
1723 (tidy_control_flow): ... and here. Recompute topological order
1724 of basic blocks in region if necessary.
1725 (sel_redirect_edge_and_branch): Change return type. Return true
1726 if topological order might have been invalidated.
1727 (purge_empty_blocks): Export and move from...
1728 * sel-sched.c (purge_empty_blocks): ... here.
1729 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
1730 (maybe_tidy_empty_bb): Delete prototype.
1731 (purge_empty_blocks): Declare.
1733 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1735 PR rtl-optimization/42249
1736 * sel-sched.c (try_replace_dest_reg): When chosen register
1737 and original register is the same, do not bail out early, but
1738 still check all original insns for validity of replacing destination
1739 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
1742 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1745 Port from no-undefined-overflow branch:
1746 2009-03-09 Richard Guenther <rguenther@suse.de>
1748 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
1750 2010-01-14 Richard Guenther <rguenther@suse.de>
1753 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
1755 2010-01-14 Ira Rosen <irar@il.ibm.com>
1757 PR tree-optimization/42709
1758 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
1759 as scalar type in creation of constant vector operand.
1761 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1764 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
1765 (check-parallel-%): Match `testsuite' directory component only
1768 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
1770 PR translation/39521
1771 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
1774 2010-01-13 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/42730
1777 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
1780 2010-01-13 Steve Ellcey <sje@cup.hp.com>
1783 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
1784 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
1787 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
1789 * config/bfin/libgcc-bfin.ver: Regenerate based on current
1790 libgcc-std.ver. Add entries for ___smulsi3_highpart and
1791 ___umulsi3_highpart.
1793 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
1794 rather than schedule_insns if the pass is enabled.
1796 2010-01-13 Martin Jambor <mjambor@suse.cz>
1798 PR tree-optimization/42704
1799 * tree-sra.c (sra_modify_assign): Do not delete assignments to
1802 2010-01-13 Martin Jambor <mjambor@suse.cz>
1804 PR tree-optimization/42703
1805 * tree-sra.c (analyze_access_subtree): Check that we can build a
1806 reference to the original data within the aggregate.
1808 2010-01-13 Richard Guenther <rguenther@suse.de>
1810 PR tree-optimization/42705
1811 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
1813 2010-01-13 Richard Guenther <rguenther@suse.de>
1816 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
1818 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1821 * var-tracking.c (values_to_unmark): New variable.
1822 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1823 values_to_unmark vector. Moved body to...
1824 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1825 instead queue it into values_to_unmark vector.
1826 (vt_find_locations): Free values_to_unmark vector.
1828 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
1830 * config/s390/s390.c (override_options): Set
1831 default of max-pending-list-length to 256
1833 2010-01-13 Richard Guenther <rguenther@suse.de>
1836 * tree-pass.h (PROP_gimple_lcx): New.
1837 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
1838 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
1839 before the final cleanup_eh.
1840 (dump_properties): Dump PROP_gimple_lcx.
1841 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
1842 (tree_lower_complex_O0): Remove.
1843 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
1844 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
1845 tree_lower_complex, schedule TODO_update_ssa.
1846 * lto-streamer-out.c (output_function): Stream the functions
1848 * lto-streamer-in.c (input_function): Likewise.
1849 (lto_read_body): Do not override them here.
1851 2010-01-12 Joseph Myers <joseph@codesourcery.com>
1854 * c-typeck.c (build_c_cast): Fold value cast to union type before
1855 wrapping it in a CONSTRUCTOR.
1857 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1859 PR rtl-optimization/42699
1860 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
1863 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1865 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1866 SUBTARGET_WARN_UNUSED_SPEC): Move ...
1867 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1868 SUBTARGET_WARN_UNUSED_SPEC): ... here
1869 * config/mips/iris5.h (LIBGCC_SPEC): Define.
1871 2010-01-12 Julian Brown <julian@codesourcery.com>
1873 * config/arm/neon-schedgen.ml (Utils): Don't try to
1874 open missing module.
1875 (find_with_result): New.
1877 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1880 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
1881 sharing when canonicalizing ({lt,ge}u (plus a b) b).
1883 PR tree-optimization/42645
1884 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
1885 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
1886 decl_map, set processing_debug_stmt to -1 and return name without
1889 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
1891 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
1892 binutils version, and reword target configuration description.
1894 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1896 * config/avr/avr.h (LINKER_NAME): Remove.
1898 2010-01-11 Janis Johnson <janis187@us.ibm.com>
1901 * config/rs6000/rs6000.c (rs6000_override_options): On targets
1902 that support VSX, warn for -mno-altivec if vsx is not disabled,
1905 2010-01-11 Joseph Myers <joseph@codesourcery.com>
1906 Shujing Zhao <pearly.zhao@oracle.com>
1908 PR translation/42469
1909 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
1910 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
1911 character between option name and help text.
1912 * c.opt (imultilib): Likewise.
1914 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
1916 * lto-streamer-out.c (output_unreferenced_globals): Output static
1919 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
1921 PR rtl-optimization/42621
1922 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
1923 optimizing for size.
1924 (duplicate_computed_gotos): Remove now-redundant check.
1926 2010-01-10 Steve Ellcey <sje@cup.hp.com>
1929 * configure.ac: Save and restore LDFLAGS and LIBS
1930 * configure: Regenerate.
1932 2010-01-10 Richard Guenther <rguenther@suse.de>
1935 * builtins.c (fold_builtin_strlen): Add type argument and
1936 convert the resulting length to it.
1937 (fold_builtin_1): Adjust.
1939 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1941 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
1942 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
1944 (num_insns_constant_wide): Adjust for that change.
1946 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1949 * web.c (union_defs): Add used argument, to combine uses of
1951 (entry_register): Adjust type and tests of used argument.
1952 (web_main): Widen used for new use. Pass it to union_defs.
1953 * df.h (union_defs): Adjust prototype.
1955 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1958 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
1959 uses in new incoming argument. Free body.
1960 (reset_debug_uses_in_loop): New.
1961 (analyze_insn_to_expand_var): Call the latter if the former found
1962 anything. Fix whitespace. Reject invalid dest overlaps before
1963 going through all insns in the loop.
1965 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1968 * haifa-sched.c (dying_use_p): Debug insns don't count.
1970 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1973 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
1974 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
1975 (verify_gimple_call): Reject LHS in noreturn calls.
1977 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1981 * tree-vect-loop-manip.c (adjust_info): New type.
1982 (adjust_vec): New pointer to vector.
1983 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
1984 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
1985 (slpeel_update_phis_for_duplicate_loop): Use them.
1986 (slpeel_update_phi_nodes_for_guard1): Likewise.
1987 (slpeel_update_phi_nodes_for_guard2): Likewise.
1988 (slpeel_tree_peel_loop_to_edge): Likewise.
1989 (vect_update_ivs_after_vectorizer): Likewise.
1991 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1993 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
1994 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
1996 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1998 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
1999 bogus uninitialized warning.
2001 2010-01-09 Richard Guenther <rguenther@suse.de>
2004 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
2005 the evolution is compatible with the initial condition.
2007 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2009 * gcc.c (process_command): Update copyright notice dates.
2010 * gcov.c (print_version): Likewise.
2011 * gcov-dump.c (print_version): Likewise.
2012 * mips-tfile.c (main): Likewise.
2013 * mips-tdump.c (main): Likewise.
2015 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2018 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
2020 (rotlhi3_8): Delete.
2022 (rotlsi3_8): Delete.
2023 (rotlsi3_16): Delete.
2024 (rotlsi3_24): Delete.
2026 (*rotw<mode>3): New.
2027 (*rotb<mode>3): New.
2028 * config/avr/avr.c (avr_rotate_bytes): New function.
2029 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
2031 2010-01-08 Steve Ellcey <sje@cup.hp.com>
2034 * configure.ac: Modify -rdynamic check.
2035 * configure: Regenerate.
2037 2010-01-08 DJ Delorie <dj@redhat.com>
2039 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
2040 register popping order.
2042 2010-01-08 Richard Guenther <rguenther@suse.de>
2045 * c.opt (fsigned-char): Also let LTO handle this option.
2046 (funsigned-char): Likewise.
2048 2010-01-07 Richard Guenther <rguenther@suse.de>
2050 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
2051 (gimple_op): Likewise.
2052 (gimple_op_ptr): Likewise.
2053 (gimple_assign_set_lhs): Remove gcc_assert.
2054 (gimple_assign_set_rhs1): Likewise.
2055 (gimple_assign_set_rhs2): Likewise.
2056 (gimple_call_set_lhs): Likewise.
2057 (gimple_call_set_fn): Likewise.
2058 (gimple_call_set_fndecl): Likewise.
2059 (gimple_call_fndecl): Likewise.
2060 (gimple_call_return_type): Likewise.
2061 (gimple_call_set_chain): Likewise.
2062 (gimple_call_num_args): Likewise.
2063 (gimple_call_set_arg): Likewise.
2064 (gimple_cond_set_code): Likewise.
2065 (gimple_cond_set_lhs): Likewise.
2066 (gimple_cond_set_rhs): Likewise.
2067 (gimple_cond_set_true_label): Likewise.
2068 (gimple_cond_set_false_label): Likewise.
2069 (gimple_label_set_label): Likewise.
2070 (gimple_goto_set_dest): Likewise.
2071 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
2072 (gimple_debug_bind_get_value): Likewise.
2073 (gimple_debug_bind_get_value_ptr): Likewise.
2074 (gimple_debug_bind_set_var): Likewise.
2075 (gimple_debug_bind_set_value): Likewise.
2076 (gimple_debug_bind_reset_value): Likewise.
2077 (gimple_debug_bind_has_value_p): Likewise.
2078 (gimple_return_retval_ptr): Remove gcc_assert.
2079 (gimple_return_retval): Likewise.
2080 (gimple_return_set_retval): Likewise.
2081 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
2082 (safe_referenced_var_iterator): Remove.
2083 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
2084 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
2085 (fill_referenced_var_vec): Remove.
2086 (first_readonly_imm_use): Remove redundant gcc_assert.
2087 (phi_arg_index_from_use): Combine gcc_asserts.
2088 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
2089 (first_imm_use_stmt): Remove redundant gcc_assert.
2090 * tree-cfg.c (verify_gimple_call): Verify function and chain
2091 operands. Verify arguments.
2092 (verify_types_in_gimple_stmt): Verify condition code and labels.
2094 2010-01-07 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/42641
2097 * sese.c (rename_map_elt_info): Use the SSA name version, do
2100 2010-01-07 Jakub Jelinek <jakub@redhat.com>
2102 PR tree-optimization/42625
2103 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
2104 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
2106 2010-01-07 Duncan Sands <baldrick@free.fr>
2108 * Makefile.in (PLUGIN_HEADERS): Add version.h.
2110 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
2113 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
2114 note itself is not function_invariant_p.
2116 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
2118 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
2119 Do not add the DF_NOTE problem.
2120 * store-motion.c (execute_rtl_store_motion): Likewise.
2122 2010-01-07 Martin Jambor <mjambor@suse.cz>
2124 PR tree-optimization/42157
2125 * tree-sra.c (compare_access_positions): Stabilize sort if both
2126 accesses have integer types, return zero immediately if they are the
2129 2010-01-06 Richard Henderson <rth@redhat.com>
2132 * haifa-sched.c (add_to_note_list): Merge into ...
2133 (concat_note_lists): ... here, and ...
2134 (unlink_other_notes, rm_other_notes): Merge into...
2135 (remove_notes): ... here. Create REG_SAVE_NOTEs for
2136 NOTE_INSN_EPILOGUE_BEG.
2138 2010-01-06 Richard Guenther <rguenther@suse.de>
2140 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
2141 not inline regular functions into always-inline functions.
2143 2010-01-06 Nick Clifton <nickc@redhat.com>
2145 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
2146 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
2148 (OVERRIDE_OPTIONS): Delete.
2149 (OPTIMIZATION_OPTIONS): Define.
2150 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
2151 * config/rx/rx.c (rx_handle_option): Issue an error message if
2152 -mcpu=rx200 and -fpu are used together.
2153 (rx_set_optimization_options): New function. Issue an error
2154 message if an optimization attribute attempts to reset the FPU/
2155 math optimization pairing.
2156 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
2157 * config/rx/rx.opt: Set the default to 32-bit doubles.
2158 * config/rx/t-rx: Add multilibs for -nofpu option.
2159 * doc/invoke.texi: Update documentation of RX options.
2161 2010-01-06 Richard Guenther <rguenther@suse.de>
2163 * tree-ssa-pre.c (name_to_id): New global.
2164 (alloc_expression_id): Simplify SSA name handling.
2165 (lookup_expression_id): Likewise.
2166 (init_pre): Zero name_to_id.
2167 (fini_pre): Free it.
2169 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
2171 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
2173 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
2176 * config/i386/sse.md (smaxv2di3): New.
2177 (umaxv2di3): Likewise.
2178 (sminv2di3): Likewise.
2179 (uminv2di3): Likewise.
2181 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
2184 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
2185 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
2186 (legitimize_tls_address): Likewise.
2187 (sparc_tls_referenced_p): Likewise.
2188 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
2189 and adjust calls to legitimize_pic_address.
2190 (legitimate_constant_p) Use sparc_tls_referenced_p.
2191 (legitimate_pic_operand_p): Likewise.
2192 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
2193 (sparc_tls_symbol_ref_1): Delete.
2194 (sparc_tls_referenced_p): Make static, recognize specific patterns.
2195 (legitimize_tls_address): Make static, handle CONST patterns.
2196 (legitimize_pic_address): Make static, remove unused parameter and
2197 adjust recursive calls.
2198 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
2199 and adjust call to legitimize_pic_address.
2200 (sparc_output_mi_thunk): Likewise.
2202 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
2203 H.J. Lu <hongjiu.lu@intel.com>
2206 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
2207 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
2208 operands to make them signed.
2211 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2214 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2215 GTU to GT for V4SI and V2DI.
2217 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2218 (umin<mode>3): Removed.
2220 (uminv4si3): Likewise.
2222 2010-01-05 Martin Jambor <mjambor@suse.cz>
2224 PR tree-optimization/42462
2225 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
2226 current_function_decl to helper functions and macros.
2228 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2231 * flags.h: Don't include real.h.
2232 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
2233 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
2234 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
2235 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
2236 * dominance.c: Update copyright.
2237 * gimple.c (walk_gimple_op): Remove inline.
2238 * tree-ssa-reassoc.c: Include real.h.
2239 * Makefile.in (FLAGS_H): Remove $(REAL_H).
2240 (tree-ssa-reassoc.o): Depend on $(REAL_H).
2242 2010-01-05 Nick Clifton <nickc@redhat.com>
2244 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
2245 register to push into the stack frame when the accumulator has to
2246 be saved during interrupts.
2248 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
2250 * doc/invoke.texi: Remove the documentation about option
2252 * common.opt (Wunreachable-code): Preserved for backward
2254 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
2255 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
2256 the backward compatibility flag section.
2258 2010-01-05 Richard Guenther <rguenther@suse.de>
2260 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
2262 2010-01-05 Jakub Jelinek <jakub@redhat.com>
2265 * cfgexpand.c (expand_one_var): Diagnose too large variables.
2267 PR tree-optimization/42508
2268 * tree-sra.c (convert_callers): Check for recursive call
2269 by comparing cgraph nodes instead of decls.
2270 (modify_function): Call ipa_modify_formal_parameters also
2271 on all same_body aliases.
2273 * cgraphunit.c (cgraph_materialize_all_clones): Compare
2274 cgraph nodes when checking for same_body aliases.
2276 2010-01-05 Richard Guenther <rguenther@suse.de>
2278 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
2279 allocation and lookup.
2280 (get_or_alloc_expr_for_constant): Likewise.
2281 (phi_translate): Sink allocation.
2283 2010-01-04 Richard Guenther <rguenther@suse.de>
2285 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
2286 a new entry only if needed.
2287 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
2288 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
2290 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
2292 (phi_translate): Handle CONSTANTs early.
2294 2010-01-04 Martin Jambor <mjambor@suse.cz>
2296 PR tree-optimization/42398
2297 * tree-sra.c (struct access): Removed flag grp_different_types.
2298 (dump_access): Do not dump the removed flag.
2299 (sort_and_splice_var_accesses): Do not set the removed flag.
2300 (sra_modify_expr): Check for type compatibility directly.
2302 2010-01-04 Martin Jambor <mjambor@suse.cz>
2304 PR tree-optimization/42366
2305 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
2306 edges with variable number of parameters.
2307 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
2308 flag instead of asserting it.
2309 (ipa_read_node_info): Read uses_analysis_done flag.
2311 2010-01-04 Richard Guenther <rguenther@suse.de>
2313 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
2314 iterative_hash_* as intended.
2315 (vn_reference_compute_hash): Likewise. Simplify hashing
2317 (vn_reference_lookup_2): Likewise.
2318 (vn_nary_op_compute_hash): Likewise.
2319 (vn_phi_compute_hash): Likewise.
2320 (expressions_equal_p): Remove strange code.
2321 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
2322 (pre_expr_hash): Likewise. Simplify hashing SSA names.
2323 (bitmap_insert_into_set_1): Take value-id as parameter.
2324 (add_to_value): Pass it.
2325 (bitmap_insert_into_set): Likewise.
2326 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
2328 2010-01-04 Jakub Jelinek <jakub@redhat.com>
2331 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
2332 (do_self_spec): For switches with SWITCH_IGNORE set set also
2333 SWITCH_IGNORE_PERMANENTLY.
2334 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
2337 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
2339 * lto-streamer-out.c (output_unreferenced_globals): Output the full
2340 tree of an unreferenced global var.
2342 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2345 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2346 GTU to GT for V4SI and V2DI.
2348 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2349 (umin<mode>3): Removed.
2351 (uminv4si3): Likewise.
2353 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2356 * collect2.c (main): Turn on trace in collect2 if -v is passed
2359 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2361 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2362 description of expression operand.
2364 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2366 * configure.ac: Add install-html to target_list for Make-hooks.
2367 * configure: Regenerate.
2368 * fortran/Make-lang.in (F95_HTMLFILES): New.
2369 (fortran.html): Use it.
2370 (fortran.install-html): New.
2371 * Makefile.in (install-html): Add lang.install-html.
2372 * java/Make-lang.in (JAVA_HTMLFILES): New.
2373 (java.html): Use it.
2374 (java.install-html): New.
2375 * objc/Make-lang.in (objc.install-html): New.
2376 * objcp/Make-lang.in (obj-c++.install-html): New.
2377 * cp/Make-lang.in (c++.install-html): New.
2378 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
2379 * lto/Make-lang.in (lto.install-html): New.
2381 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2384 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
2386 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
2388 PR rtl-optimization/41862
2389 * store-motion.c (store_killed_in_insn, compute_store_table,
2390 remove_reachable_equiv_notes, replace_store_insn,
2391 build_store_vectors): Ignore all DEBUG_INSNs.
2393 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2396 * common.opt: Add dumpdir.
2398 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
2400 (option_map): Add --dumpdir.
2402 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
2404 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
2406 * opts.c (decode_options): Try dump_dir_name first if
2407 dump_base_name isn't an absolute path.
2408 (common_handle_option): Handle OPT_dumpdir.
2410 * toplev.c (dump_dir_name): New.
2411 (print_switch_values): Also ignore -dumpdir.
2413 * toplev.h (dump_dir_name): New.
2415 2010-01-03 Richard Guenther <rguenther@suse.de>
2417 PR tree-optimization/42589
2418 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
2419 double-word expansion of bswap32.
2421 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
2423 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
2424 with BLOCK_FOR_INSN.
2425 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
2426 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
2427 noce_process_if_block): Likewise.
2428 * gcse.c (compute_local_properties, insert_expr_in_table,
2429 insert_set_in_table, canon_list_insert, find_avail_set,
2430 pre_insert_copy_insn): Likewise.
2432 * basic-block.h (BLOCK_NUM): Move from here...
2433 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
2435 2010-01-03 Richard Guenther <rguenther@suse.de>
2437 PR tree-optimization/42438
2438 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
2439 contains_may_not_return_call flag.
2440 (BB_MAY_NOTRETURN): New.
2441 (valid_in_sets): Trapping nary operations are not valid
2442 in blocks that may not return.
2443 (insert_into_preds_of_block): Remove check for trapping expressions.
2444 (compute_avail): Compute also BB_MAY_NOTRETURN.
2446 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
2448 * doc/invoke.texi: Add 2010 to copyright years.
2450 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
2452 * config/sparc/sparc.c: Fix formatting nits.
2454 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
2455 Alexander Monakov <amonakov@ispras.ru>
2457 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
2459 2010-01-02 Richard Guenther <rguenther@suse.de>
2462 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
2463 (simplify_switch_using_ranges): Mark to be removed edges
2466 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2468 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2470 * collect2.c (scan_libraries): Add missing argument in call to
2473 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
2476 * config/alpha/predicates.md (aligned_memory_operand): Return false
2478 (unaligned_memory_operand): Return true for CQImode.
2479 * config/alpha/alpha.c (get_aligned_mem): Assert that location
2480 doesn not cross aligned SImode word boundary.
2482 2010-01-02 Anatoly Sokolov <aesok@post.ru>
2484 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
2486 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
2487 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
2489 2010-01-02 Richard Guenther <rguenther@suse.de>
2492 * toplev.c (compile_file): Emit LTO marker properly. Change
2494 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
2496 2010-01-01 Richard Guenther <rguenther@suse.de>
2499 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
2501 2010-01-01 Richard Guenther <rguenther@suse.de>
2504 * c-decl.c (grokdeclarator): For zero-size arrays force
2505 structural equality checks as layout_type does.
2507 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2509 * builtins.c: Update copyright to 2010.
2511 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2514 * lto-streamer-out.c (produce_asm): Revert the last change.
2515 (copy_function): Likewise.
2517 * lto-streamer.c (lto_get_section_name): Skip any leading
2520 2010-01-01 Richard Guenther <rguenther@suse.de>
2523 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
2527 Copyright (C) 2010 Free Software Foundation, Inc.
2529 Copying and distribution of this file, with or without modification,
2530 are permitted in any medium without royalty provided the copyright
2531 notice and this notice are preserved.