1 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5 * doc/standards.texi: Likewise.
6 * doc/extend.texi: Likewise.
7 * doc/trouble.texi: Likewise.
8 * doc/cppopts.texi: Likewise.
9 * doc/install.texi: Likewise.
10 * c.opt (std=c90,std=gnu90): New options.
11 * c-opts.c (c_common_handle_option): Handle them.
13 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
16 * c-decl.c (undeclared_variable): Use an informative note.
18 2010-02-26 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/43186
21 * gimple.h (gimple_fold): Remove.
22 * gimple.c (gimple_fold): Remove. Inline into single user ...
23 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
24 Try harder for conditions.
26 2010-02-26 Jakub Jelinek <jakub@redhat.com>
29 * function.c (used_types_insert): Don't skip through named pointer
30 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
31 and it is different from the main variant's type.
33 2010-02-26 Nick Clifton <nickc@redhat.com>
35 * config/rx/rx.md (sminsi3): Remove bogus alternative.
37 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
39 * config.gcc: Support --with-fpmath=sse for x86.
41 * config/i386/ssemath.h: New.
43 * doc/install.texi (--with-fpmath=sse): Documented.
45 2010-02-26 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/43188
48 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
49 vector types of over-aligned element type.
51 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/i386.c (expand_vec_perm_blend): Use correct
55 operands in V8HImode subregs. Fix operand order in VEC_MERGE
58 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
60 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
62 2010-02-26 Jakub Jelinek <jakub@redhat.com>
64 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
65 * var-tracking.c: Include diagnostic.h.
66 (debug_dv): New function.
67 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
70 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
71 (add_value_chain, add_value_chains, remove_value_chain,
72 remove_value_chains): Handle DEBUG_EXPRs.
73 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
76 * regcprop.c (struct queued_debug_insn_change): New type.
77 (struct value_data_entry): Add debug_insn_changes field.
78 (struct value_data): Add n_debug_insn_changes field.
79 (debug_insn_changes_pool): New variable.
80 (free_debug_insn_changes, apply_debug_insn_changes,
81 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
82 (kill_value_one_regno): Call free_debug_insn_changes if needed.
83 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
85 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
87 (copyprop_hardreg_forward_1): Don't call apply_change_group for
88 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
89 changes, call cprop_find_used_regs via note_stores.
90 (copyprop_hardreg_forward): When copying vd from predecessor
91 which has any queued DEBUG_INSN changes, make sure the pointers are
92 cleared. At the end call df_analyze and then if there are any
93 DEBUG_INSN changes queued at the end of some basic block for still
94 live registers, apply them.
95 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
97 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
99 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
102 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
104 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
105 targets. Set the default with_cpu/with_arch from arch/cpu.
106 Allow x86-64 and native for with_cpu/with_arch.
108 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
110 * ebitmap.c: Change calls to verify_popcount with calls to
111 sbitmap_verify_popcount.
112 (ebitmap_clear_bit): Fixed map->cacheindex test and
113 map>cache update when bit clearing results in an empty
116 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
119 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
120 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
121 and support both V2DF and V2DI modes.
122 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
123 support both V2DF and V2DI modes.
124 (general): Delete trailing whitespace from a few patterns.
126 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
127 V2DF/V2DI interleave high/low builtins.
129 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
132 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
133 interleave high/low functions.
135 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
137 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
138 #pragma extern_prefix.
140 2010-02-25 Jakub Jelinek <jakub@redhat.com>
143 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
144 BLKmode, assert op0 is a MEM and just adjust its mode.
147 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
148 if bitpos isn't multiple of mode's bitsize.
150 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
152 * c.opt (-ftemplate-depth=): New.
153 (-ftemplate-depth-): Deprecate.
154 * optc-gen.awk: Handle -ftemplate-depth=.
155 * opth-gen.awk: Likewise.
156 * c-opts.c (c_common_handle_option): Likewise.
157 * doc/invoke.texi (-ftemplate-depth-): Replace with
160 2010-02-24 Jason Merrill <jason@redhat.com>
162 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
164 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
166 * cfg.c (alloc_aux_for_block): Remove inline.
167 (alloc_aux_for_edge): Likewise.
169 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
171 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
173 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
175 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
176 * config/i386/sol2-gas.h: New file.
177 * config.gcc (i[34567]86-*-solaris2*): Use it.
179 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
182 * c-typeck.c (ep_convert_and_check): New.
183 (build_conditional_expr): Use it.
184 (build_binary_op): Likewise.
186 2010-02-24 Jakub Jelinek <jakub@redhat.com>
188 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
191 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
193 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
194 expr needs to have DECL_NAME set.
196 2010-02-24 Nick Clifton <nickc@redhat.com>
198 * config/mep/mep.c: Include gimple.h.
199 (mep_function_uses_sp): Delete unused function.
200 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
201 parameters. Use unsigned integers to count args. Return a
202 NULL_RTX instead of an error_mark_node. Toidy up formatting.
204 2010-02-23 Jakub Jelinek <jakub@redhat.com>
207 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
208 greater or equal to nelt instead of 2 * nelt.
209 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
212 2010-02-23 Jason Merrill <jason@redhat.com>
215 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
216 in cfun->local_decls even if they have register types.
219 * stor-layout.c (place_field): Don't warn about unnecessary
220 DECL_PACKED if the type is packed.
222 2010-02-23 Jakub Jelinek <jakub@redhat.com>
225 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
226 GOTOFF relocs, even when the base reg isn't pic pointer.
228 2010-02-23 Michael Matz <matz@suse.de>
231 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
232 (expand_gimple_basic_block): Generate and use debug temps if there
233 are debug uses left after the last real use of TERed ssa names.
234 Unlink debug immediate uses when they are expanded.
236 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
239 * config/i386/i386.c (override_options): Reorganise to provide
240 better error messages.
242 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
245 * graphite-scop-detection.c (create_single_exit_edge): Move
246 the call to find_single_exit_edge to....
247 (create_sese_edges): ...here. Don't handle multiple edges
248 exiting the function.
249 (build_graphite_scops): Don't handle multiple edges
250 exiting the function.
252 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
255 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
256 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
258 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
261 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
263 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
266 * c-typeck.c (convert_arguments): Print declaration location.
267 * c-common.c (validate_nargs): Rename as
268 builtin_function_validate_nargs.
269 (check_builtin_function_arguments): Update.
271 2010-02-22 Richard Guenther <rguenther@suse.de>
274 * tree-inline.c (declare_return_variable): Use the type of
275 the call stmt lhs if available.
277 2010-02-22 Duncan Sands <baldrick@free.fr>
279 * passes.c (register_pass): Always consider all pass lists when
280 ref_pass_instance_number is zero.
282 2010-02-22 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/42749
285 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
286 parameter. Do arithmetic in the original type.
287 (update_accumulator_with_ops): Likewise.
288 (adjust_accumulator_values): Adjust.
290 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
292 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
293 (QI to BLKmode splitter): New splitter.
295 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
297 * config/i386/i386.c (initial_ix86_tune_features): Turn on
298 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
300 2010-02-22 Richard Guenther <rguenther@suse.de>
302 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
304 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
306 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
307 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
308 ($(T)crti.o, $(T)crtn.o): Remove rules.
310 2010-02-21 Tobias Burnus <burnus@net-b.de>
313 * doc/invoke.texi (-fassociative-math): Document that this
314 option is automatically enabled for Fortran.
316 2010-02-20 David S. Miller <davem@davemloft.net>
318 * configure.ac: Test if linker and assembler properly support
319 GOTDATA_OP relocations.
320 * configure: Rebuild.
321 * config.in: Likewise.
322 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
323 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
324 (movsi_high_pic): Likewise.
325 (movdi_lo_sum_pic): Likewise.
326 (movdi_high_pic): Likewise.
327 (movsi_pic_gotdata_op): New pattern.
328 (movdi_pic_gotdata_op): Likewise.
329 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
330 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
332 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
335 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
337 (xop_mulv2div2di3_high): Ditto.
339 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
342 * c.opt (Wconversion-null): New option.
343 * doc/invoke.texi (Wconversion-null): Document.
345 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
347 * common.opt (Wlarger-than-): Add Undocumented.
349 2010-02-19 Mike Stump <mikestump@comcast.net>
351 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
353 2010-02-19 Jason Merrill <jason@redhat.com>
356 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
357 * configure: Likewise.
359 2010-02-20 Alan Modra <amodra@gmail.com>
362 * cgraph.h (cgraph_make_decl_local): Declare.
363 * cgraph.c (cgraph_make_decl_local): New function.
364 (cgraph_make_node_local): Use it.
365 * cgraphunit.c (cgraph_function_versioning): Likewise.
366 * ipa.c (function_and_variable_visibility): Likewise.
368 2010-02-19 Jakub Jelinek <jakub@redhat.com>
371 * except.c (sjlj_emit_function_enter): Don't call
372 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
374 * rtl.h (add_reg_br_prob_note): Remove prototype.
376 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
379 * c-common.c (conversion_warning): Remove widening conversions
380 before checking the conversion of integers to reals.
382 2010-02-19 Mike Stump <mikestump@comcast.net>
385 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
388 * cgraphunit.c (process_function_and_variable_attributes): Check
389 DECL_PRESERVE_P instead of looking up attribute "used".
390 * ipa-pure-const.c (check_decl): Likewise.
391 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
392 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
393 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
394 instead of attribute "used".
395 * config/sol2-c.c (solaris_pragma_init): Likewise.
396 (solaris_pragma_fini): Likewise.
398 2010-02-19 Jakub Jelinek <jakub@redhat.com>
400 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
401 Use XCNEW instead of xcalloc.
402 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
403 XNEW instead of xmalloc.
404 (get_fields): Use XNEWVEC instead of xmalloc.
407 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
409 (create_new_general_access): For debug stmts just reset value.
410 (get_stmt_accesses): For accesses within debug stmts just record them
411 using add_access_to_acc_sites instead of preventing the peeling or
412 counting them as accesses.
415 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
417 2010-02-19 Richard Guenther <rguenther@suse.de>
419 PR tree-optimization/42916
420 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
423 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
425 * configure.ac: Replace all uses of changequote in macro arguments
428 2010-02-19 Jakub Jelinek <jakub@redhat.com>
431 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
433 2010-02-19 Richard Guenther <rguenther@suse.de>
435 PR tree-optimization/42944
436 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
437 test for aliasing with errno.
439 2010-02-19 Jakub Jelinek <jakub@redhat.com>
442 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
443 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
444 * dojump.c: Include output.h.
445 (inv): New inline function.
446 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
447 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
448 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
449 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
450 argument, pass it down to other calls.
451 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
452 add REG_BR_PROB note to the conditional jump.
453 * cfgexpand.c (add_reg_br_prob_note): Removed.
454 (expand_gimple_cond): Don't call it, add the probability
455 as last argument to jumpif_1/jumpifnot_1.
456 * Makefile.in (dojump.o): Depend on output.h.
457 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
459 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
460 * stmt.c (do_jump_if_equal): Likewise.
461 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
462 * loop-unswitch.c (compare_and_jump_seq): Likewise.
463 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
465 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
466 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
468 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
470 (store_expr): Adjust jumpifnot caller.
471 (store_constructor): Adjust jumpif caller.
474 * gimplify.c (gimple_boolify): For __builtin_expect call
475 gimple_boolify also on its first argument.
477 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
479 * configure.ac (gnu-unique-object): Wrap regexps using [] in
481 (__stack_chk_fail): Ditto. Remove quadrigraphs.
482 * configure: Regenerated.
484 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
486 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
487 lang_hooks.types_compatible_p instead of comptypes.
489 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
491 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
492 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
493 if __prefer_thumb__ is defined.
495 2010-02-18 Martin Jambor <mjambor@suse.cz>
497 PR tree-optimization/43066
498 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
499 array with zero-sized element type.
501 2010-02-18 Jakub Jelinek <jakub@redhat.com>
503 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
504 rtx, allocate struct var_loc_node here and return it to the
505 caller, and only if it is actually needed.
506 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
507 move it earlier and return immediately if it returns NULL.
509 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
511 * config/sparc/gas.h: New file. Restore
512 TARGET_ASM_NAMED_SECTION to its ELF default.
513 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
515 * config/sparc/sparc.c (sparc_elf_asm_named_section):
516 Likewise. Add ATTRIBUTE_UNUSED to prototype.
517 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
520 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
522 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
524 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
526 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
527 patterns from predicated pattern.
529 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
532 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
533 for insn mnemonic suffix.
535 2010-02-17 Richard Guenther <rguenther@suse.de>
537 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
540 2010-02-17 Jakub Jelinek <jakub@redhat.com>
543 * caller-save.c (save_call_clobbered_regs): If BB ends with
544 a DEBUG_INSN, move any notes in between last real insn and the last
545 DEBUG_INSN after the last DEBUG_INSN.
547 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
549 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
550 Fix return type. Fix argument type. Explain meaning of return value.
552 2010-02-16 Richard Guenther <rguenther@suse.de>
554 PR tree-optimization/41043
555 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
556 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
558 (vrp_visit_phi_node): ... but only for loop PHI nodes.
560 2010-02-16 Ira Rosen <irar@il.ibm.com>
562 PR tree-optimization/43074
563 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
564 * tree-vect-loop.c (vect_analyze_loop_operations): Add
565 vectorizable cycles in hybrid SLP check.
566 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
568 2010-02-16 Richard Guenther <rguenther@suse.de>
570 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
571 (true_dependence): If memrefs_conflict_p computes must-alias
572 trust it. Move TBAA check after offset-based disambiguation.
573 (canon_true_dependence): Likewise.
575 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
577 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
578 * doc/invoke.texi: Document it.
579 * var-tracking.c: Include toplev.h and params.h.
580 (vt_find_locations): Return bool indicating success. Compute
581 hash sizes unconditionally. Check new parameter, report.
582 (variable_tracking_main_1): Check vt_find_locations results and
583 retry. Renamed from...
584 (variable_tracking_main): ... this. New wrapper to preserve
585 flag_var_tracking_assignments.
586 * Makefile.in (var-tracking.o): Adjust dependencies.
588 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
589 Jakub Jelinek <jakub@redhat.com>
592 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
593 if weak_import attribute is present.
594 * config/darwin.c (machopic_select_section): Likewise.
596 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
598 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
599 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
600 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
601 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
603 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
605 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
608 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
609 Rewrite text to refer to the names.
611 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
613 * config/i386/i386-builtin-types.def
614 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
615 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
616 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
617 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
618 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
619 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
620 IX86_BUILTIN_VPERMIL2PS256.
621 (MULTI_ARG_4_DF2_DI_I): Defined.
622 (MULTI_ARG_4_DF2_DI_I1): Defined.
623 (MULTI_ARG_4_SF2_SI_I): Defined.
624 (MULTI_ARG_4_SF2_SI_I1): Defined.
625 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
626 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
627 __builtin_ia32_vpermil2ps256.
628 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
629 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
630 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
631 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
632 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
633 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
634 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
635 CODE_FOR_xop_vpermil2v8sf3.
636 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
637 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
638 * config/i386/xopintrin.h (_mm_permute2_pd): New.
639 (_mm256_permute2_pd): New.
640 (_mm_permute2_ps): New.
641 (_mm256_permute2_ps): New.
643 2010-02-15 Nick Clifton <nickc@redhat.com>
645 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
646 boolean parameters. Use emit_jump_insn when emitting a pop
647 instruction containing a return insn.
648 (push): Use 'true' rather than '1' as second parameter to F.
649 (h8300_expand_prologue): Likewise.
650 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
651 (h8300_expand_epilogue): Likewise.
653 2010-02-15 Richard Guenther <rguenther@suse.de>
656 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
659 2010-02-15 Nick Clifton <nickc@redhat.com>
661 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
664 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
666 * intl.c (fake_ngettext): New function.
667 * intl.h (fake_ngettext): Declare.
668 (ngettext): Define macro.
669 * collect2.c (notice_translated): New function.
670 (main): Use notice_translated and ngettext.
671 * collect2.h (notice_translated): Declare.
673 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
675 * reorg.c (delete_computation): Comment fixes.
676 * caller-save.c (setup_save_areas): Idem.
677 * sel-sched-dump.c (dump_lv_set): Idem.
680 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
682 * config/s390/s390.c (s390_sched_init): New function.
683 (TARGET_SCHED_INIT): Target hook defined.
685 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
686 Jack Howarth <howarth@bromo.med.uc.edu>
687 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
690 Partial revert of unintended change in fix for PR41605.
691 * config/darwin.h: Fix typo.
692 * config/darwin9.h: Same.
694 2010-02-11 Jakub Jelinek <jakub@redhat.com>
696 * c-pch.c (pch_init): Clear v.
698 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
701 * graphite-scop-detection.c (graphite_can_represent_scev): Call
702 graphite_can_represent_init for MULT_EXPR.
704 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
708 * graphite-sese-to-poly.c (remove_phi): New.
709 (translate_scalar_reduction_to_array): Call remove_phi.
711 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
714 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
715 * graphite-clast-to-gimple.h (gloog): Update declaration.
716 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
717 * graphite-poly.h (struct poly_bb): Add missing comments.
718 (struct scop): Add poly_scop_p field.
720 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
721 * graphite.c (graphite_transform_loops): Build the polyhedral
722 representation for each scop before code generation.
723 * sese.c (rename_variables_in_operand): Removed.
724 (rename_variables_in_expr): Return the renamed expression.
725 (rename_sese_parameters): New.
726 * sese.h (rename_sese_parameters): Declared.
728 2010-02-11 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/42998
731 * tree-ssa-pre.c (create_expression_by_pieces): Treat
732 POINTER_PLUS_EXPR properly.
734 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
735 Changpeng Fang <changpeng.fang@amd.com>
738 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
739 the cost of an IV candidate when the IV is used in a test against zero.
741 * gcc.dg/tree-ssa/ivopts-3.c: New.
743 2010-02-11 Richard Guenther <rguenther@suse.de>
746 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
747 pointer-vs-decl case by swapping refs. Handle some cases
748 of pointer-vs-decl disambiguations more conservatively.
749 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
750 to false after expanding.
752 2010-02-11 Richard Guenther <rguenther@suse.de>
755 * gcc.c (process_command): Handle LTO file@offset case more
758 2010-02-11 Jakub Jelinek <jakub@redhat.com>
760 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
761 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
763 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
765 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
766 if MEM's mode size isn't DWARF2_ADDR_SIZE.
767 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
768 Optimize eq/ne comparisons when both arguments are known to be
770 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
771 Don't mask operands unnecessarily if they are known to be already
774 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
776 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
779 2010-02-10 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/43017
782 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
783 for wrapping signed arithmetic.
785 2010-02-10 Jakub Jelinek <jakub@redhat.com>
788 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
789 if no debug info should be emitted for it.
791 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
793 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
794 note when flag_exceptions is set.
796 2010-02-10 Duncan Sands <baldrick@free.fr>
798 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
800 2010-02-10 Richard Guenther <rguenther@suse.de>
803 * tree.c (get_unwidened): Handle constants.
804 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
806 2010-02-10 Martin Jambor <mjambor@suse.cz>
809 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
810 check for variable argument counts independently.
812 2010-02-10 Christian Bruel <christian.bruel@st.com>
815 * config/sh/sh.c (find_barrier): Increase length for non delayed
816 conditional branches.
818 2010-02-10 Christian Bruel <christian.bruel@st.com>
820 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
822 2010-02-10 Jakub Jelinek <jakub@redhat.com>
824 * builtins.c (set_builtin_user_assembler_name): Also handle
825 ffs if int is smaller than word.
827 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
830 * ira-conflicts.c (get_dup): Remove.
831 (process_reg_shuffles): Add new parameter. Use it as an
832 additional guard for copy generation.
833 (add_insn_allocno_copies): Rewrite.
835 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
837 * common.opt (fsched2-use-traces): Preserved for backward
839 * doc/invoke.texi: Remove the documentation about option
841 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
842 flag_sched2_use_traces.
843 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
844 the backward compatibility flag section.
846 2010-02-09 Richard Guenther <rguenther@suse.de>
848 PR tree-optimization/43008
849 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
850 make HEAP variables initialized from global memory if they
851 are not known builtin functions.
852 (find_func_aliases): Adjust.
854 2010-02-09 Richard Guenther <rguenther@suse.de>
856 PR tree-optimization/43000
857 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
860 2010-02-08 Jakub Jelinek <jakub@redhat.com>
862 PR tree-optimization/42931
863 * tree-loop-linear.c (try_interchange_loops): Don't call
864 double_int_mul if estimated_loop_iterations failed.
866 2010-02-08 Martin Jambor <mjambor@suse.cz>
869 * tree-sra.c (build_accesses_from_assign): Do not mark in
870 should_scalarize_away_bitmap if stmt has volatile ops.
871 (sra_modify_assign): Do not process assigns piecemeal if if stmt
874 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
876 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
878 2010-02-07 Adam Nemet <adambnmet@gmail.com>
880 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
883 2010-02-07 Andrew Pinski <pinskia@gmail.com>
886 * df-core.c (df_finish_pass): Change type of saved_flags to int.
888 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
891 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
892 to unknown_dependence.
893 (graphite_legal_transform_dr): Handle the unknown_dependence.
894 (graphite_carried_dependence_level_k): Same.
896 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
898 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
900 2010-02-07 Richard Guenther <rguenther@suse.de>
903 * expr.c (get_inner_reference): Always initialize *pbitsize.
905 2010-02-07 Richard Guenther <rguenther@suse.de>
908 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
909 new ARRAY_REFs on variable size element or minimal index arrays.
911 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
912 gimple_fold_indirect_ref.
914 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
917 * arm.c (arm_override_options): Just return if the user has specified
920 2010-02-03 Jason Merrill <jason@redhat.com>
923 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
924 i386_pe_maybe_record_exported_symbol.
926 2010-02-05 Steve Ellcey <sje@cup.hp.com>
929 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
930 (pa_delegitimize_address): New function.
932 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
934 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
935 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
937 2010-02-05 Richard Guenther <rguenther@suse.de>
940 * lto-streamer-in.c (get_resolution): Deal with references
941 to undefined functions.
943 2010-02-05 Richard Guenther <rguenther@suse.de>
945 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
946 (fold_const_aggregate_ref): Likewise.
947 (ccp_fold_stmt): Substitute loads.
948 (maybe_fold_reference): Verify types before substituting.
950 (fold_gimple_assign): Unshare properly.
951 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
953 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
955 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
956 for rs6000_gen_cell_microcode.
958 2010-02-04 Richard Guenther <rguenther@suse.de>
960 PR rtl-optimization/42952
961 * dse.c (const_or_frame_p): Remove MEM handling.
963 2010-02-04 Nick Clifton <nickc@redhat.com>
965 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
966 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
967 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
968 (mn10300_asm_output_mi_thunk): New function.
969 (mn10300_can_output_mu_thunk): New function.
970 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
971 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
972 (FUNCTION_ARG): Delete incorrect comment.
974 2010-02-03 Jason Merrill <jason@redhat.com>
977 * fold-const.c (operand_equal_p): Handle erroneous types.
979 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
981 * config/h8300/h8300.md (can_delay): Fix attibute condition.
983 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
985 PR rtl-optimization/42941
986 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
989 2010-02-03 Jason Merrill <jason@redhat.com>
992 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
994 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
997 * cselib.h (struct cselib_val_struct): Add uid. Rename value to
999 (cselib_reset_table): Renamed from...
1000 (cselib_reset_table_with_next_value): ... this.
1001 (cselib_get_next_uid): Renamed from...
1002 (cselib_get_next_unknown_value): ... this.
1003 * cselib.c (next_uid): Renamed from...
1004 (next_unknown_value): ... this.
1005 (cselib_clear_table): Adjust.
1006 (cselib_reset_table): Adjust. Renamed from...
1007 (cselib_reset_table_with_next_value): ... this.
1008 (cselib_get_next_uid): Adjust. Renamed from...
1009 (cselib_get_next_unknown_value): ... this.
1010 (get_value_hash): Use hash.
1011 (cselib_hash_rtx): Likewise.
1012 (new_cselib_val): Adjust. Set and dump uid.
1013 (cselib_lookup_mem): Pass next_uid as hash.
1014 (cselib_subst_to_values): Likewise.
1015 (cselib_log_lookup): Dump uid.
1016 (cselib_lookup): Pass next_uid as hash. Adjust.
1017 (cselib_process_insn): Adjust.
1018 (cselib_init): Initialize next_uid.
1019 (cselib_finish): Adjust.
1020 (dump_cselib_table): Likewise.
1021 * dse.c (canon_address): Dump value uid.
1022 * print-rtl.c (print_rtx): Print value uid.
1023 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1025 (dv_uid): New function, sort of renamed from...
1026 (dv_htab_hash): ... this, reimplemented in terms of it and...
1027 (dv_uid2hash): ... this. New.
1028 (variable_htab_eq): Drop excess assertions.
1029 (tie_break_pointers): Removed.
1030 (canon_value_cmp): Compare uids.
1031 (variable_post_merge_New_vals): Print uids.
1032 (vt_add_function_parameters): Adjust.
1033 (vt_initialize): Reset table. Adjust.
1035 2010-02-03 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/42944
1038 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1039 (call_may_clobber_ref_p_1): Likewise. Properly handle
1040 malloc and calloc clobbering errno.
1042 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1044 * doc/invoke.texi: Fix name of sched1 dump.
1046 * opts.c (decode_options): Set flag_tree_switch_conversion
1047 only conditionally on optimize >= 2.
1049 * gcse.c: Assorted comment fixes in pass description.
1051 2010-02-03 Anthony Green <green@moxielogic.com>
1053 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1054 nop padding in order to maintain alignment of storage location of
1055 target function address.
1056 (moxie_trampoline_init): Store target function address at newly
1058 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1060 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1062 2010-02-03 Richard Guenther <rguenther@suse.de>
1065 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1067 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1069 * config.gcc: Reenable check for obsolete targets.
1070 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1071 mips-sgi-irix6.[0-4]*.
1073 2010-02-02 Nick Clifton <nickc@redhat.com>
1075 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1076 constant size of 4 as being the same as 0.
1077 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1078 can take values in the range 0..4.
1080 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1083 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1084 as _darwin10_Unwind_FindEnclosingFunction().
1085 * libgcc-libsystem.ver: New.
1087 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1090 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1091 implicitly set registers.
1093 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1095 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1096 (arm_override_options): Allow automatic selection of the thread
1097 pointer register if thumb2.
1098 (legitimize_pic_address): Improve code sequences for Thumb2.
1099 (arm_call_tls_get_addr): Likewise.
1100 (legitimize_tls_address): Likewise.
1101 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1102 (pic_load_addr_32bit): ... this. New named pattern.
1103 * thumb2.md (pic_load_addr_thumb2): Delete.
1104 (pic_load_dot_plus_four): Delete.
1105 (tls_load_dot_plus_four): New named pattern.
1107 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1110 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1111 Document fix for TLS bug.
1113 2010-01-31 Richard Guenther <rguenther@suse.de>
1115 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1116 conservatively correct.
1118 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1122 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1124 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1126 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1128 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1130 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1132 * config.gcc: Adjust order of makefile fragments for mingw targets.
1134 2010-01-31 Richard Guenther <rguenther@suse.de>
1137 * gimplify.c (gimplify_init_constructor): For volatile LHS
1138 initialize a temporary.
1140 2010-01-31 Matthias Klose <doko@ubuntu.com>
1142 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1144 * configure: Regenerate.
1146 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1148 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1149 the same alias set and their sizes different constantness.
1150 (aliasing_component_refs_p): Revert 2009-10-24 change.
1152 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1154 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1157 2010-01-29 Richard Guenther <rguenther@suse.de>
1159 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1160 Assert we successfully updated the call.
1162 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1164 PR rtl-optimization/42889
1165 * df.h (df_set_bb_dirty_nonlr): New prototype.
1166 * df-core.c (df_set_bb_dirty_nonlr): New function.
1167 * df-scan.c (df_insn_rescan): Call it instead of
1168 df_set_bb_dirty for DEBUG_INSNs.
1170 2010-01-29 Richard Guenther <rguenther@suse.de>
1173 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1174 quadratic behavior in most cases.
1176 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1179 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1180 in the call to gen_x86_movsicc_0_m1.
1182 2010-01-28 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/42871
1185 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1187 2010-01-28 Richard Guenther <rguenther@suse.de>
1189 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
1190 into call arguments.
1192 2010-01-28 Richard Guenther <rguenther@suse.de>
1195 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
1196 the forwarder if the destination is an EH landing pad.
1198 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
1200 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
1201 block list passed to gimple_duplicate_sese_tail.
1202 (parallelize_loops): Avoid parallelization when the function
1204 Avoid parallelization when the preheader is IRREDUCIBLE.
1205 Try to optimize when estimated_loop_iterations_int is unresolved.
1206 Add the loop's location to the dump file.
1207 * tree-cfg.c (add_phi_args_after_redirect): Remove.
1208 (gimple_duplicate_sese_tail): Remove the check for the latch.
1209 Redirect nexits to the exit block.
1210 Remove handling of the incoming edges to the latch.
1211 Redirect the backedge from the copied latch to the exit bb.
1213 2010-01-28 Michael Matz <matz@suse.de>
1216 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
1217 Wrap force_reg into a sequence, emit it before user.
1219 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
1221 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
1223 (arm_legacy_rev): Likewise.
1224 (thumb_legacy_rev): Likewise.
1226 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1228 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
1229 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
1230 on MEM's address failed, try avoid_constant_pool_reference and
1231 recurse if it returned something different.
1232 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
1233 address, try avoid_constant_pool_reference and recurse if it
1234 returned something different.
1235 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
1236 address and avoid_constant_pool_reference returned something
1237 different, don't set have_address.
1239 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
1242 * var-tracking.c (val_store): Add modified argument, obey it.
1244 (count_uses): Move down logging of main.
1245 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
1246 don't need resolution.
1247 (emit_notes_in_bb): Likewise.
1249 2010-01-27 Richard Guenther <rguenther@suse.de>
1252 * tree-inline.c (remap_decl): Delay remapping of SSA name
1253 default definitions until we need them.
1255 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1257 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1258 (rs6000_delegitimize_address): New function.
1260 * config/s390/s390.c (s390_delegitimize_address): Call
1261 delegitimize_mem_from_attrs.
1264 * tree-inline.c (cannot_copy_type_1): Removed.
1265 (copy_forbidden): Don't forbid copying of functions containing
1266 records/unions with variable length fields.
1268 2010-01-27 Christian Bruel <christian.bruel@st.com>
1272 * config/sh/sh.c (find_barrier): Increase length for non delayed
1273 conditional branches.
1275 2010-01-27 Matthias Klose <doko@ubuntu.com>
1277 * configure.ac (gnu-unique-object): Fix ldd version check.
1278 * configure: Regenerate.
1280 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1282 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
1284 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
1285 Test for HAVE_GNU_AS value.
1287 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1289 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
1290 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
1291 INT64_TYPE): Define.
1292 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
1293 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1294 INT_LEAST64_TYPE): Define.
1295 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
1296 UINT_LEAST64_TYPE): Define.
1297 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
1298 INT_FAST64_TYPE): Define.
1299 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1300 UINT_FAST64_TYPE): Define.
1301 (INTMAX_TYPE, UINTMAX_TYPE): Define.
1302 (INTPTR_TYPE, UINTPTR_TYPE): Define.
1303 (SIG_ATOMIC_TYPE): Define.
1305 2010-01-26 Richard Guenther <rguenther@suse.de>
1307 * df-scan.c (df_scan_set_bb_info): Remove assert.
1308 (df_insn_rescan_debug_internal): Merge asserts.
1309 (df_install_ref): Likewise.
1310 (df_mark_reg): Use bitmap_set_range.
1311 (df_hard_reg_used_p): Remove assert.
1312 (df_hard_reg_used_count): Likewise.
1314 2010-01-26 Richard Guenther <rguenther@suse.de>
1316 PR rtl-optimization/42685
1317 * web.c (web_main): Ignore DEBUG_INSNs.
1319 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
1321 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
1323 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
1324 Fix types of fndecl and arglist parameters.
1326 2010-01-26 Richard Guenther <rguenther@suse.de>
1329 * tree-eh.c (unsplit_eh): Skip debug insns.
1331 2010-01-26 Richard Guenther <rguenther@suse.de>
1333 PR tree-optimization/42250
1334 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
1336 2010-01-26 Jakub Jelinek <jakub@redhat.com>
1339 * omp-low.c (expand_omp_sections): Only use single_pred if
1340 l2_bb is single_pred_p.
1342 2010-01-25 Christian Bruel <christian.bruel@st.com>
1345 * config/sh/sh.c (find_barrier): Increase length for non delayed
1346 conditional branches.
1347 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
1349 2010-01-24 David S. Miller <davem@davemloft.net>
1351 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
1352 define if not using GAS.
1353 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1354 Likewise. Delete SECTION_MERGE code, which is only applicable
1357 2010-01-24 Mark Mitchell <mark@codesourcery.com>
1360 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
1361 mangling of va_list in system headers.
1363 2010-01-23 Toon Moene <toon@moene.org>
1365 * tree-predcom.c (combine_chains): Return NULL, not false.
1367 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
1369 * tree-loop-distribution.c (distribute_loop): Fix declaration and
1370 initialization of variable res to agree with return type.
1372 2010-01-22 Steve Ellcey <sje@cup.hp.com>
1374 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
1375 * tree-sra.c: Add include of expr.h.
1377 2010-01-22 Jakub Jelinek <jakub@redhat.com>
1379 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
1380 insert the debug stmt on the single non-EH edge from the stmt.
1382 2010-01-22 Richard Henderson <rth@redhat.com>
1385 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
1386 the RHS until after generate_subtree_copies has insertted its
1387 code before the current statement.
1389 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
1391 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
1393 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
1395 2010-01-21 Martin Jambor <mjambor@suse.cz>
1397 PR tree-optimization/42585
1398 * tree-sra.c (struct access): New field grp_total_scalarization.
1399 (dump_access): Dump the new field.
1400 (should_scalarize_away_bitmap): New variable.
1401 (cannot_scalarize_away_bitmap): Likewise.
1402 (sra_initialize): Allocate new bitmaps.
1403 (sra_deinitialize): Free new bitmaps.
1404 (create_access_1): New function.
1405 (create_access): Parts moved to create_access_1.
1406 (type_consists_of_records_p): New function.
1407 (completely_scalarize_record): Likewise.
1408 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
1409 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
1410 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
1412 (analyze_all_variable_accesses): Completely scalarize small eligible
1415 2010-01-21 Martin Jambor <mjambor@suse.cz>
1417 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
1419 2010-01-21 Andrew Haley <aph@redhat.com>
1421 * gcc.c (process_command): Move lang_specific_driver before
1422 setting cc_libexec_prefix.
1424 2010-01-21 Richard Guenther <rguenther@suse.de>
1427 * fold-const.c (negate_expr_p): Pretend only negative
1428 real constants are easily negatable.
1430 2010-01-20 Janis Johnson <janis187@us.ibm.com>
1431 Jason Merrill <jason@redhat.com>
1433 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
1434 (TYPE_TRANSPARENT_AGGR): this, for union and record.
1435 * calls.c (initialize argument_information): Handle it.
1436 * c-common.c (handle_transparent_union_attribute): Use new name.
1437 * c-decl.c (finish_struct): Ditto.
1438 * c-typeck.c (type_lists_compatible_p): Ditto.
1439 (convert_for_assignment): Use new name and also handle record.
1440 * function.c (aggregate_value_p): Handle it.
1441 (pass_by_reference): Ditto.
1442 (assign_parm_data_types): Ditto.
1443 * print-tree.c (print_node): Ditto.
1444 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
1445 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
1446 * tree.c (first_field): New fn.
1448 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1451 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
1452 even when linking statically, for now.
1454 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1457 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
1458 without a cselib val.
1459 (count_uses): Accept MO_VAL_SET with no val on stores.
1460 (add_stores): Likewise.
1462 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1464 * var-tracking.c (check_value_val): Add a compile time assertion.
1465 (dv_is_decl_p): Simplify.
1466 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
1467 gcc_assert if ENABLE_CHECKING.
1469 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1472 * var-tracking.c: Include tree-flow.h.
1473 (mem_dies_at_call): New.
1474 (dataflow_set_preserve_mem_locs): Use it.
1475 (dataflow_set_remove_mem_locs): Likewise.
1476 (dump_var): Renamed from dump_variable. Adjust all callers.
1477 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
1478 * Makefile.in (var-tracking.o): Adjust deps.
1480 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
1482 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
1484 2010-01-20 Richard Guenther <rguenther@suse.de>
1486 PR tree-optimization/42717
1487 * tree-ssa-dce.c (get_live_post_dom): Remove.
1488 (forward_edge_to_pdom): Take an arbitrary edge to copy
1489 degenerate PHI args from.
1490 (remove_dead_stmt): Use the first post-dominator even if it
1491 does not contain live statements as redirection destination.
1493 2010-01-20 Richard Guenther <rguenther@suse.de>
1495 * tree-inline.c (estimate_num_insns): Handle EH builtins.
1497 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1499 * sel-sched.c (create_speculation_check): Remove set but not used
1501 (try_transformation_cache): Remove set but not used variable ds.
1502 (calculate_privileged_insns): Remove set but not used variables
1503 cur_insn and min_spec_insn.
1504 (find_best_expr): Remove set but not used variable avail_n.
1505 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
1507 * cgraphunit.c (assemble_thunk): Remove set but not used variable
1509 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
1510 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
1513 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
1516 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
1517 cpu types. Add support for *-sse3 cpu types.
1518 (x86_64-*-*): Ditto.
1520 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1523 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
1524 argument, call initializer_constant_valid_p_1 instead of
1525 initializer_constant_valid_p, pass CACHE to it, return NULL
1526 immediately if first call returns NULL.
1527 (initializer_constant_valid_p_1): New function.
1528 (initializer_constant_valid_p): Use it.
1530 2010-01-20 Thomas Quinot <quinot@adacore.com>
1532 * tree.def (PLACEHOLDER_EXPR): Fix comment.
1534 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1536 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
1537 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
1538 (loc_list_from_tree): Don't handle unsigned division. Handle
1539 signed modulo using DW_OP_{over,over,div,mul,minus}.
1540 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
1541 modulo instead of signed.
1543 2010-01-20 DJ Delorie <dj@redhat.com>
1545 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
1547 (h8300_emit_stack_adjustment): Propogate it.
1549 (h8300_expand_prologue): Likewise.
1550 (h8300_expand_epilogue): Likewise.
1552 2010-01-19 Michael Matz <matz@suse.de>
1554 PR tree-optimization/41783
1555 * tree-data-ref.c (toplevel): Include flags.h.
1556 (dump_data_dependence_relation): Also dump the inputs if the
1557 result will be unknown.
1558 (split_constant_offset_1): Look through some conversions.
1559 * tree-predcom.c (determine_roots_comp): Restart a new chain if
1560 the offset from last element is too large.
1561 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
1562 (reassociate_to_the_same_stmt): Handle vector registers.
1563 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
1565 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
1566 wide_prolog_niters argument, emit widening instructions.
1567 (vect_do_peeling_for_alignment): Adjust caller, use widened
1568 variant of the iteration cound.
1569 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
1571 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1574 * config/arm/neon-testgen.m (emit_automatics): New parameter
1575 features. Adjust for Fixed_return_reg feature.
1576 (test_intrinsic): Call emit_automatics with new feature.
1577 * config/arm/neon.ml: Update copyright years.
1578 (features): New Fixed_return_reg feature.
1579 (ops): Update feature for Vget_low.
1581 2010-01-19 Jakub Jelinek <jakub@redhat.com>
1583 PR tree-optimization/42719
1584 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
1588 * fwprop.c (all_uses_available_at): Return false if def_set dest
1589 is a REG that is used in def_insn.
1591 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
1593 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
1595 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
1598 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
1600 * target.h (struct gcc_target) <secondary_reload>: Change type
1601 of last argument to secondary_reload_info *.
1603 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
1606 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
1607 memory references with unaligned offsets. Remove CQImode handling.
1608 (unaligned_memory_operand): Return 1 for memory references with
1609 unaligned offsets. Remove CQImode handling.
1611 2010-01-18 Richard Guenther <rguenther@suse.de>
1614 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
1617 2010-01-18 Richard Guenther <rguenther@suse.de>
1619 PR tree-optimization/42781
1620 * tree-ssa-structalias.c (find_what_var_points_to): Skip
1621 restrict processing only if the original variable was artificial.
1623 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
1625 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
1626 find number of popped argument bytes.
1628 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
1629 Fix the text that describes the return value for invalid insns.
1631 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
1633 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
1634 Clarify what 'cost of the -dependence' is. Fix quoting.
1636 * toplev.c (default_get_pch_validity): Rename argument to "sz".
1637 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
1639 2010-01-17 Jakub Jelinek <jakub@redhat.com>
1641 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1642 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
1644 2010-01-17 Richard Guenther <rguenther@suse.de>
1647 * function.c (split_complex_args): Take a VEC to modify.
1648 (assign_parms_augmented_arg_list): Build a VEC instead of
1649 a chain of PARM_DECLs.
1650 (assign_parms_unsplit_complex): Take a VEC of arguments.
1651 Do not fixup unmodified parms.
1652 (assign_parms): Deal with the VEC.
1653 (gimplify_parameters): Likewise.
1655 2010-01-17 Richard Guenther <rguenther@suse.de>
1657 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
1658 node existence check.
1659 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
1660 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
1661 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
1662 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
1663 (gimple_execute_on_growing_pred): Likewise.
1665 2010-01-17 Richard Guenther <rguenther@suse.de>
1667 PR tree-optimization/42773
1668 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
1669 (compute_antic_aux): Likewise.
1670 (compute_partial_antic_aux): Likewise.
1672 2010-01-17 Jie Zhang <jie.zhang@analog.com>
1675 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
1678 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
1680 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
1683 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
1684 Fix markup for strict argument.
1686 (TARGET_SCHED_REORDER2): Fix argument types.
1688 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
1689 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
1691 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
1692 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
1694 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
1697 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
1698 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
1699 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
1700 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
1701 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
1703 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
1705 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
1707 (TARGET_ASM_RELOC_RW_MASK): Add return type.
1708 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
1710 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
1712 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
1715 (TARGET_ASM_NAMED_SECTION): Fix argument list.
1717 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
1718 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
1720 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1722 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1724 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1725 referring to it. Fix language.
1727 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1729 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1731 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1733 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1735 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1736 '@var{stream}. Remove stray 'and'.
1738 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1740 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1742 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1744 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
1745 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
1747 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
1748 Fix description of return value.
1749 Rename argument "sz" to "len."
1751 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
1752 Clarify meaning of 'true' return value.
1754 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
1756 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
1757 rep_mode versus mode_rep.
1759 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
1761 (TARGET_BUILTIN_DECL): Fix name.
1763 (TARGET_COMMUTATIVE_P): Fix type of first argument.
1765 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
1767 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
1769 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
1771 (TARGET_RELAXED_ORDERING): Use @deftypevr.
1773 (TARGET_GET_DRAP_RTX): Note that this is a hook.
1776 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
1777 Rename argument tm_fn to md_fn.
1779 (TARGET_OPTION_PRINT): Fix argument list.
1781 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
1784 * config/i386/i386.c (ix86_fixup_binary_operands):
1785 Revert FMA4 fixup of operands.
1787 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1790 * Makefile.in (write_entries_to_file, install-plugin):
1791 Use \012 instead of \n with tr.
1793 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
1795 * configure.ac (HAVE_AS_REF): New C macro.
1796 * configure: Regenerate.
1797 * config.in: Likewise.
1798 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
1800 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
1803 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
1805 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
1807 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
1809 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
1811 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
1813 (TARGET_IN_SMALL_DATA_P): Fix argument type.
1815 (TARGET_BINDS_LOCAL_P): Fix argument type.
1817 (TARGET_ASM_FILE_END): Use prototype.
1819 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
1821 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
1823 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
1825 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
1827 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
1828 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
1830 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
1831 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
1833 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
1834 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1835 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
1836 (TARGET_ADDR_SPACE_CONVERT): Likewise.
1838 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
1840 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
1842 (TARGET_INIT_BUILTINS): Use prototype.
1844 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1845 Put 'const char *' in braces. Fix parameter types.
1846 (TARGET_INVALID_CONVERSION): Fix parameter types.
1847 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
1848 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
1850 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
1853 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
1855 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
1857 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
1859 * doc/tm.texi (TARGET_HELP): Fix return type.
1861 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
1862 in braces. Fix argument types.
1864 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
1866 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
1868 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
1870 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
1871 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
1873 (TARGET_MANGLE_TYPE): Fix argument types.
1875 (TARGET_IRA_COVER_CLASSES): Use prototype.
1877 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
1879 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
1881 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
1883 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
1885 (TARGET_CALLEE_COPIES): Fix argument types.
1887 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
1889 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
1891 (TARGET_FUNCTION_VALUE): Fix argument types.
1893 (TARGET_RETURN_IN_MSB): Fix argument type.
1895 (TARGET_RETURN_IN_MEMORY): Fix argument types.
1897 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
1899 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
1901 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
1902 agree with return type.
1904 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
1906 2010-01-15 Jing Yu <jingyu@google.com>
1908 PR rtl-optimization/42691
1909 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
1910 a pseudo to a constant and are merged, and adjust comments.
1912 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
1914 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
1916 2010-01-15 Richard Guenther <rguenther@suse.de>
1919 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
1920 labels of computed or non-local gotos to the destination.
1921 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
1922 landing pad label is the first label.
1924 2010-01-15 Richard Guenther <rguenther@suse.de>
1926 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
1928 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1931 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
1932 to allow generation of the xssqrtdp instruction on power7.
1933 (sqrtdf2_fpr): Ditto.
1935 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1938 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
1939 functions with noreturn attribute.
1942 * varasm.c (declare_weak): Add weak attribute to decl if it
1943 doesn't have one already.
1944 (assemble_external): Only add decls to weak_decls if they also
1945 have weak attribute.
1947 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
1949 * var-tracking.c (var_reg_delete): Don't delete the association
1950 between REGs and values or one-part variables if the register
1953 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1956 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
1957 because its first operand is a non-localized variable.
1959 2010-01-14 Martin Jambor <mjambor@suse.cz>
1961 PR tree-optimization/42706
1962 * tree-sra.c (encountered_recursive_call): New variable.
1963 (encountered_unchangable_recursive_call): Likewise.
1964 (sra_initialize): Initialize both new variables.
1965 (callsite_has_enough_arguments_p): New function.
1966 (scan_function): Call decl and flags check only for IPA-SRA, check
1967 whether there is a recursive call and whether it has enough arguments.
1968 (all_callers_have_enough_arguments_p): New function.
1969 (convert_callers): Look for recursive calls only when
1970 encountered_recursive_call is set.
1971 (ipa_early_sra): Bail out either if
1972 !all_callers_have_enough_arguments_p or
1973 encountered_unchangable_recursive_call.
1975 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1977 * sel-sched.c: Add 2010 to copyright years.
1978 * sel-sched-ir.c: Likewise.
1979 * sel-sched-ir.h: Likewise.
1981 2010-01-14 Martin Jambor <mjambor@suse.cz>
1983 PR tree-optimization/42714
1984 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
1985 constructors specially.
1987 2010-01-14 Andi Kleen <ak@linux.intel.com>
1989 * config/i386/drivers-i386.c (detect_caches_intel):
1990 Add l2sizekb parameter and fill in.
1991 (host_detect_local_cpu): Add l2sizekb, fill in.
1992 Add Atom small cache heuristic.
1994 2010-01-14 Andi Kleen <ak@linux.intel.com>
1996 * config/i386/drivers-i386.c (detect_caches_cpuid4):
1997 Add level3 parameter and fill in.
1998 (detect_caches_intel): Handle level3 cache.
2000 2010-01-14 Andi Kleen <ak@linux.intel.com>
2002 * config/i386/drivers-i386.c (host_detect_local_cpu):
2003 Fix core duo detection.
2005 2010-01-14 Andi Kleen <ak@linux.intel.com>
2007 * config/i386/drivers-i386.c (host_detect_local_cpu):
2010 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2012 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2013 (rs6000_variable_issue_1): this. Use...
2014 (rs6000_variable_issue): here. Reimplement. Print debug info.
2016 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2018 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2019 sel_restore_notes. Update all callers. Call reemit_notes
2022 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2024 PR rtl-optimization/42246
2025 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2028 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2030 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2031 all successors is the same as number of successors in current region.
2033 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2035 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2036 to rename is not separable. Otherwise check that its LHS is not NULL.
2038 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2040 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2042 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2044 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2045 available registers when failed to discover LHS register class.
2046 Fix indentation. Update comment.
2048 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2049 Alexander Monakov <amonakov@ispras.ru>
2051 PR rtl-optimization/42389
2052 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2054 (advance_state_on_fence): Likewise.
2055 (sel_target_adjust_priority): Print debug output only when
2056 sched_verbose >= 4, not 2.
2057 (get_expr_cost): Do not issue all unique insns on the next cycle.
2058 (fill_insns): Initialize can_issue_more from the value saved
2060 * sel-sched-ir.c (flist_add): New parameter issue_more.
2061 Init FENCE_ISSUE_MORE with it.
2062 (merge_fences): Likewise.
2063 (init_fences): Update call to flist_add.
2064 (add_to_fences, add_clean_fence_to_fences)
2065 (add_dirty_fence_to_fences): Likewise.
2066 (move_fence_to_fences): Update call to merge_fences.
2067 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2069 * sel-sched-ir.h (struct _fence): New field issue_more.
2070 (FENCE_ISSUE_MORE): New accessor macro.
2072 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2074 PR rtl-optimization/42388
2075 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2076 that have no predecessors nor successors. Do not call move_bb_info
2077 for empty blocks outside of current region.
2079 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2081 PR rtl-optimization/42294
2082 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2083 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2084 originators' originators.
2086 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2088 PR rtl-optimization/39453
2089 PR rtl-optimization/42246
2090 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2092 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2094 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2095 Alexander Monakov <amonakov@ispras.ru>
2098 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2099 (maybe_tidy_empty_bb): ... here. Make static. Add new
2100 argument. Update all callers.
2101 (tidy_control_flow): ... and here. Recompute topological order
2102 of basic blocks in region if necessary.
2103 (sel_redirect_edge_and_branch): Change return type. Return true
2104 if topological order might have been invalidated.
2105 (purge_empty_blocks): Export and move from...
2106 * sel-sched.c (purge_empty_blocks): ... here.
2107 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2108 (maybe_tidy_empty_bb): Delete prototype.
2109 (purge_empty_blocks): Declare.
2111 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2113 PR rtl-optimization/42249
2114 * sel-sched.c (try_replace_dest_reg): When chosen register
2115 and original register is the same, do not bail out early, but
2116 still check all original insns for validity of replacing destination
2117 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2120 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2123 Port from no-undefined-overflow branch:
2124 2009-03-09 Richard Guenther <rguenther@suse.de>
2126 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2128 2010-01-14 Richard Guenther <rguenther@suse.de>
2131 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2133 2010-01-14 Ira Rosen <irar@il.ibm.com>
2135 PR tree-optimization/42709
2136 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2137 as scalar type in creation of constant vector operand.
2139 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2142 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2143 (check-parallel-%): Match `testsuite' directory component only
2146 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2148 PR translation/39521
2149 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2152 2010-01-13 Richard Guenther <rguenther@suse.de>
2154 PR tree-optimization/42730
2155 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2158 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2161 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2162 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2165 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2167 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2168 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2169 ___umulsi3_highpart.
2171 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2172 rather than schedule_insns if the pass is enabled.
2174 2010-01-13 Martin Jambor <mjambor@suse.cz>
2176 PR tree-optimization/42704
2177 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2180 2010-01-13 Martin Jambor <mjambor@suse.cz>
2182 PR tree-optimization/42703
2183 * tree-sra.c (analyze_access_subtree): Check that we can build a
2184 reference to the original data within the aggregate.
2186 2010-01-13 Richard Guenther <rguenther@suse.de>
2188 PR tree-optimization/42705
2189 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
2191 2010-01-13 Richard Guenther <rguenther@suse.de>
2194 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
2196 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2199 * var-tracking.c (values_to_unmark): New variable.
2200 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2201 values_to_unmark vector. Moved body to...
2202 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2203 instead queue it into values_to_unmark vector.
2204 (vt_find_locations): Free values_to_unmark vector.
2206 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
2208 * config/s390/s390.c (override_options): Set
2209 default of max-pending-list-length to 256
2211 2010-01-13 Richard Guenther <rguenther@suse.de>
2214 * tree-pass.h (PROP_gimple_lcx): New.
2215 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
2216 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
2217 before the final cleanup_eh.
2218 (dump_properties): Dump PROP_gimple_lcx.
2219 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
2220 (tree_lower_complex_O0): Remove.
2221 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
2222 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
2223 tree_lower_complex, schedule TODO_update_ssa.
2224 * lto-streamer-out.c (output_function): Stream the functions
2226 * lto-streamer-in.c (input_function): Likewise.
2227 (lto_read_body): Do not override them here.
2229 2010-01-12 Joseph Myers <joseph@codesourcery.com>
2232 * c-typeck.c (build_c_cast): Fold value cast to union type before
2233 wrapping it in a CONSTRUCTOR.
2235 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2237 PR rtl-optimization/42699
2238 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
2241 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2243 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2244 SUBTARGET_WARN_UNUSED_SPEC): Move ...
2245 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2246 SUBTARGET_WARN_UNUSED_SPEC): ... here
2247 * config/mips/iris5.h (LIBGCC_SPEC): Define.
2249 2010-01-12 Julian Brown <julian@codesourcery.com>
2251 * config/arm/neon-schedgen.ml (Utils): Don't try to
2252 open missing module.
2253 (find_with_result): New.
2255 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2258 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
2259 sharing when canonicalizing ({lt,ge}u (plus a b) b).
2261 PR tree-optimization/42645
2262 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
2263 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
2264 decl_map, set processing_debug_stmt to -1 and return name without
2267 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
2269 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
2270 binutils version, and reword target configuration description.
2272 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2274 * config/avr/avr.h (LINKER_NAME): Remove.
2276 2010-01-11 Janis Johnson <janis187@us.ibm.com>
2279 * config/rs6000/rs6000.c (rs6000_override_options): On targets
2280 that support VSX, warn for -mno-altivec if vsx is not disabled,
2283 2010-01-11 Joseph Myers <joseph@codesourcery.com>
2284 Shujing Zhao <pearly.zhao@oracle.com>
2286 PR translation/42469
2287 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
2288 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
2289 character between option name and help text.
2290 * c.opt (imultilib): Likewise.
2292 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
2294 * lto-streamer-out.c (output_unreferenced_globals): Output static
2297 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
2299 PR rtl-optimization/42621
2300 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
2301 optimizing for size.
2302 (duplicate_computed_gotos): Remove now-redundant check.
2304 2010-01-10 Steve Ellcey <sje@cup.hp.com>
2307 * configure.ac: Save and restore LDFLAGS and LIBS
2308 * configure: Regenerate.
2310 2010-01-10 Richard Guenther <rguenther@suse.de>
2313 * builtins.c (fold_builtin_strlen): Add type argument and
2314 convert the resulting length to it.
2315 (fold_builtin_1): Adjust.
2317 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2319 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
2320 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
2322 (num_insns_constant_wide): Adjust for that change.
2324 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2327 * web.c (union_defs): Add used argument, to combine uses of
2329 (entry_register): Adjust type and tests of used argument.
2330 (web_main): Widen used for new use. Pass it to union_defs.
2331 * df.h (union_defs): Adjust prototype.
2333 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2336 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
2337 uses in new incoming argument. Free body.
2338 (reset_debug_uses_in_loop): New.
2339 (analyze_insn_to_expand_var): Call the latter if the former found
2340 anything. Fix whitespace. Reject invalid dest overlaps before
2341 going through all insns in the loop.
2343 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2346 * haifa-sched.c (dying_use_p): Debug insns don't count.
2348 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2351 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
2352 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
2353 (verify_gimple_call): Reject LHS in noreturn calls.
2355 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2359 * tree-vect-loop-manip.c (adjust_info): New type.
2360 (adjust_vec): New pointer to vector.
2361 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
2362 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
2363 (slpeel_update_phis_for_duplicate_loop): Use them.
2364 (slpeel_update_phi_nodes_for_guard1): Likewise.
2365 (slpeel_update_phi_nodes_for_guard2): Likewise.
2366 (slpeel_tree_peel_loop_to_edge): Likewise.
2367 (vect_update_ivs_after_vectorizer): Likewise.
2369 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2371 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
2372 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2376 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
2377 bogus uninitialized warning.
2379 2010-01-09 Richard Guenther <rguenther@suse.de>
2382 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
2383 the evolution is compatible with the initial condition.
2385 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2387 * gcc.c (process_command): Update copyright notice dates.
2388 * gcov.c (print_version): Likewise.
2389 * gcov-dump.c (print_version): Likewise.
2390 * mips-tfile.c (main): Likewise.
2391 * mips-tdump.c (main): Likewise.
2393 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2396 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
2398 (rotlhi3_8): Delete.
2400 (rotlsi3_8): Delete.
2401 (rotlsi3_16): Delete.
2402 (rotlsi3_24): Delete.
2404 (*rotw<mode>3): New.
2405 (*rotb<mode>3): New.
2406 * config/avr/avr.c (avr_rotate_bytes): New function.
2407 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
2409 2010-01-08 Steve Ellcey <sje@cup.hp.com>
2412 * configure.ac: Modify -rdynamic check.
2413 * configure: Regenerate.
2415 2010-01-08 DJ Delorie <dj@redhat.com>
2417 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
2418 register popping order.
2420 2010-01-08 Richard Guenther <rguenther@suse.de>
2423 * c.opt (fsigned-char): Also let LTO handle this option.
2424 (funsigned-char): Likewise.
2426 2010-01-07 Richard Guenther <rguenther@suse.de>
2428 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
2429 (gimple_op): Likewise.
2430 (gimple_op_ptr): Likewise.
2431 (gimple_assign_set_lhs): Remove gcc_assert.
2432 (gimple_assign_set_rhs1): Likewise.
2433 (gimple_assign_set_rhs2): Likewise.
2434 (gimple_call_set_lhs): Likewise.
2435 (gimple_call_set_fn): Likewise.
2436 (gimple_call_set_fndecl): Likewise.
2437 (gimple_call_fndecl): Likewise.
2438 (gimple_call_return_type): Likewise.
2439 (gimple_call_set_chain): Likewise.
2440 (gimple_call_num_args): Likewise.
2441 (gimple_call_set_arg): Likewise.
2442 (gimple_cond_set_code): Likewise.
2443 (gimple_cond_set_lhs): Likewise.
2444 (gimple_cond_set_rhs): Likewise.
2445 (gimple_cond_set_true_label): Likewise.
2446 (gimple_cond_set_false_label): Likewise.
2447 (gimple_label_set_label): Likewise.
2448 (gimple_goto_set_dest): Likewise.
2449 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
2450 (gimple_debug_bind_get_value): Likewise.
2451 (gimple_debug_bind_get_value_ptr): Likewise.
2452 (gimple_debug_bind_set_var): Likewise.
2453 (gimple_debug_bind_set_value): Likewise.
2454 (gimple_debug_bind_reset_value): Likewise.
2455 (gimple_debug_bind_has_value_p): Likewise.
2456 (gimple_return_retval_ptr): Remove gcc_assert.
2457 (gimple_return_retval): Likewise.
2458 (gimple_return_set_retval): Likewise.
2459 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
2460 (safe_referenced_var_iterator): Remove.
2461 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
2462 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
2463 (fill_referenced_var_vec): Remove.
2464 (first_readonly_imm_use): Remove redundant gcc_assert.
2465 (phi_arg_index_from_use): Combine gcc_asserts.
2466 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
2467 (first_imm_use_stmt): Remove redundant gcc_assert.
2468 * tree-cfg.c (verify_gimple_call): Verify function and chain
2469 operands. Verify arguments.
2470 (verify_types_in_gimple_stmt): Verify condition code and labels.
2472 2010-01-07 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/42641
2475 * sese.c (rename_map_elt_info): Use the SSA name version, do
2478 2010-01-07 Jakub Jelinek <jakub@redhat.com>
2480 PR tree-optimization/42625
2481 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
2482 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
2484 2010-01-07 Duncan Sands <baldrick@free.fr>
2486 * Makefile.in (PLUGIN_HEADERS): Add version.h.
2488 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
2491 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
2492 note itself is not function_invariant_p.
2494 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
2496 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
2497 Do not add the DF_NOTE problem.
2498 * store-motion.c (execute_rtl_store_motion): Likewise.
2500 2010-01-07 Martin Jambor <mjambor@suse.cz>
2502 PR tree-optimization/42157
2503 * tree-sra.c (compare_access_positions): Stabilize sort if both
2504 accesses have integer types, return zero immediately if they are the
2507 2010-01-06 Richard Henderson <rth@redhat.com>
2510 * haifa-sched.c (add_to_note_list): Merge into ...
2511 (concat_note_lists): ... here, and ...
2512 (unlink_other_notes, rm_other_notes): Merge into...
2513 (remove_notes): ... here. Create REG_SAVE_NOTEs for
2514 NOTE_INSN_EPILOGUE_BEG.
2516 2010-01-06 Richard Guenther <rguenther@suse.de>
2518 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
2519 not inline regular functions into always-inline functions.
2521 2010-01-06 Nick Clifton <nickc@redhat.com>
2523 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
2524 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
2526 (OVERRIDE_OPTIONS): Delete.
2527 (OPTIMIZATION_OPTIONS): Define.
2528 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
2529 * config/rx/rx.c (rx_handle_option): Issue an error message if
2530 -mcpu=rx200 and -fpu are used together.
2531 (rx_set_optimization_options): New function. Issue an error
2532 message if an optimization attribute attempts to reset the FPU/
2533 math optimization pairing.
2534 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
2535 * config/rx/rx.opt: Set the default to 32-bit doubles.
2536 * config/rx/t-rx: Add multilibs for -nofpu option.
2537 * doc/invoke.texi: Update documentation of RX options.
2539 2010-01-06 Richard Guenther <rguenther@suse.de>
2541 * tree-ssa-pre.c (name_to_id): New global.
2542 (alloc_expression_id): Simplify SSA name handling.
2543 (lookup_expression_id): Likewise.
2544 (init_pre): Zero name_to_id.
2545 (fini_pre): Free it.
2547 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
2549 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
2551 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
2554 * config/i386/sse.md (smaxv2di3): New.
2555 (umaxv2di3): Likewise.
2556 (sminv2di3): Likewise.
2557 (uminv2di3): Likewise.
2559 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
2562 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
2563 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
2564 (legitimize_tls_address): Likewise.
2565 (sparc_tls_referenced_p): Likewise.
2566 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
2567 and adjust calls to legitimize_pic_address.
2568 (legitimate_constant_p) Use sparc_tls_referenced_p.
2569 (legitimate_pic_operand_p): Likewise.
2570 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
2571 (sparc_tls_symbol_ref_1): Delete.
2572 (sparc_tls_referenced_p): Make static, recognize specific patterns.
2573 (legitimize_tls_address): Make static, handle CONST patterns.
2574 (legitimize_pic_address): Make static, remove unused parameter and
2575 adjust recursive calls.
2576 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
2577 and adjust call to legitimize_pic_address.
2578 (sparc_output_mi_thunk): Likewise.
2580 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
2581 H.J. Lu <hongjiu.lu@intel.com>
2584 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
2585 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
2586 operands to make them signed.
2589 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2592 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2593 GTU to GT for V4SI and V2DI.
2595 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2596 (umin<mode>3): Removed.
2598 (uminv4si3): Likewise.
2600 2010-01-05 Martin Jambor <mjambor@suse.cz>
2602 PR tree-optimization/42462
2603 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
2604 current_function_decl to helper functions and macros.
2606 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2609 * flags.h: Don't include real.h.
2610 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
2611 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
2612 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
2613 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
2614 * dominance.c: Update copyright.
2615 * gimple.c (walk_gimple_op): Remove inline.
2616 * tree-ssa-reassoc.c: Include real.h.
2617 * Makefile.in (FLAGS_H): Remove $(REAL_H).
2618 (tree-ssa-reassoc.o): Depend on $(REAL_H).
2620 2010-01-05 Nick Clifton <nickc@redhat.com>
2622 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
2623 register to push into the stack frame when the accumulator has to
2624 be saved during interrupts.
2626 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
2628 * doc/invoke.texi: Remove the documentation about option
2630 * common.opt (Wunreachable-code): Preserved for backward
2632 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
2633 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
2634 the backward compatibility flag section.
2636 2010-01-05 Richard Guenther <rguenther@suse.de>
2638 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
2640 2010-01-05 Jakub Jelinek <jakub@redhat.com>
2643 * cfgexpand.c (expand_one_var): Diagnose too large variables.
2645 PR tree-optimization/42508
2646 * tree-sra.c (convert_callers): Check for recursive call
2647 by comparing cgraph nodes instead of decls.
2648 (modify_function): Call ipa_modify_formal_parameters also
2649 on all same_body aliases.
2651 * cgraphunit.c (cgraph_materialize_all_clones): Compare
2652 cgraph nodes when checking for same_body aliases.
2654 2010-01-05 Richard Guenther <rguenther@suse.de>
2656 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
2657 allocation and lookup.
2658 (get_or_alloc_expr_for_constant): Likewise.
2659 (phi_translate): Sink allocation.
2661 2010-01-04 Richard Guenther <rguenther@suse.de>
2663 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
2664 a new entry only if needed.
2665 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
2666 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
2668 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
2670 (phi_translate): Handle CONSTANTs early.
2672 2010-01-04 Martin Jambor <mjambor@suse.cz>
2674 PR tree-optimization/42398
2675 * tree-sra.c (struct access): Removed flag grp_different_types.
2676 (dump_access): Do not dump the removed flag.
2677 (sort_and_splice_var_accesses): Do not set the removed flag.
2678 (sra_modify_expr): Check for type compatibility directly.
2680 2010-01-04 Martin Jambor <mjambor@suse.cz>
2682 PR tree-optimization/42366
2683 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
2684 edges with variable number of parameters.
2685 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
2686 flag instead of asserting it.
2687 (ipa_read_node_info): Read uses_analysis_done flag.
2689 2010-01-04 Richard Guenther <rguenther@suse.de>
2691 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
2692 iterative_hash_* as intended.
2693 (vn_reference_compute_hash): Likewise. Simplify hashing
2695 (vn_reference_lookup_2): Likewise.
2696 (vn_nary_op_compute_hash): Likewise.
2697 (vn_phi_compute_hash): Likewise.
2698 (expressions_equal_p): Remove strange code.
2699 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
2700 (pre_expr_hash): Likewise. Simplify hashing SSA names.
2701 (bitmap_insert_into_set_1): Take value-id as parameter.
2702 (add_to_value): Pass it.
2703 (bitmap_insert_into_set): Likewise.
2704 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
2706 2010-01-04 Jakub Jelinek <jakub@redhat.com>
2709 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
2710 (do_self_spec): For switches with SWITCH_IGNORE set set also
2711 SWITCH_IGNORE_PERMANENTLY.
2712 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
2715 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
2717 * lto-streamer-out.c (output_unreferenced_globals): Output the full
2718 tree of an unreferenced global var.
2720 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2723 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2724 GTU to GT for V4SI and V2DI.
2726 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2727 (umin<mode>3): Removed.
2729 (uminv4si3): Likewise.
2731 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2734 * collect2.c (main): Turn on trace in collect2 if -v is passed
2737 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2739 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2740 description of expression operand.
2742 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2744 * configure.ac: Add install-html to target_list for Make-hooks.
2745 * configure: Regenerate.
2746 * fortran/Make-lang.in (F95_HTMLFILES): New.
2747 (fortran.html): Use it.
2748 (fortran.install-html): New.
2749 * Makefile.in (install-html): Add lang.install-html.
2750 * java/Make-lang.in (JAVA_HTMLFILES): New.
2751 (java.html): Use it.
2752 (java.install-html): New.
2753 * objc/Make-lang.in (objc.install-html): New.
2754 * objcp/Make-lang.in (obj-c++.install-html): New.
2755 * cp/Make-lang.in (c++.install-html): New.
2756 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
2757 * lto/Make-lang.in (lto.install-html): New.
2759 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2762 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
2764 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
2766 PR rtl-optimization/41862
2767 * store-motion.c (store_killed_in_insn, compute_store_table,
2768 remove_reachable_equiv_notes, replace_store_insn,
2769 build_store_vectors): Ignore all DEBUG_INSNs.
2771 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2774 * common.opt: Add dumpdir.
2776 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
2778 (option_map): Add --dumpdir.
2780 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
2782 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
2784 * opts.c (decode_options): Try dump_dir_name first if
2785 dump_base_name isn't an absolute path.
2786 (common_handle_option): Handle OPT_dumpdir.
2788 * toplev.c (dump_dir_name): New.
2789 (print_switch_values): Also ignore -dumpdir.
2791 * toplev.h (dump_dir_name): New.
2793 2010-01-03 Richard Guenther <rguenther@suse.de>
2795 PR tree-optimization/42589
2796 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
2797 double-word expansion of bswap32.
2799 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
2801 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
2802 with BLOCK_FOR_INSN.
2803 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
2804 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
2805 noce_process_if_block): Likewise.
2806 * gcse.c (compute_local_properties, insert_expr_in_table,
2807 insert_set_in_table, canon_list_insert, find_avail_set,
2808 pre_insert_copy_insn): Likewise.
2810 * basic-block.h (BLOCK_NUM): Move from here...
2811 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
2813 2010-01-03 Richard Guenther <rguenther@suse.de>
2815 PR tree-optimization/42438
2816 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
2817 contains_may_not_return_call flag.
2818 (BB_MAY_NOTRETURN): New.
2819 (valid_in_sets): Trapping nary operations are not valid
2820 in blocks that may not return.
2821 (insert_into_preds_of_block): Remove check for trapping expressions.
2822 (compute_avail): Compute also BB_MAY_NOTRETURN.
2824 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
2826 * doc/invoke.texi: Add 2010 to copyright years.
2828 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
2830 * config/sparc/sparc.c: Fix formatting nits.
2832 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
2833 Alexander Monakov <amonakov@ispras.ru>
2835 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
2837 2010-01-02 Richard Guenther <rguenther@suse.de>
2840 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
2841 (simplify_switch_using_ranges): Mark to be removed edges
2844 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2846 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2848 * collect2.c (scan_libraries): Add missing argument in call to
2851 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
2854 * config/alpha/predicates.md (aligned_memory_operand): Return false
2856 (unaligned_memory_operand): Return true for CQImode.
2857 * config/alpha/alpha.c (get_aligned_mem): Assert that location
2858 doesn not cross aligned SImode word boundary.
2860 2010-01-02 Anatoly Sokolov <aesok@post.ru>
2862 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
2864 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
2865 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
2867 2010-01-02 Richard Guenther <rguenther@suse.de>
2870 * toplev.c (compile_file): Emit LTO marker properly. Change
2872 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
2874 2010-01-01 Richard Guenther <rguenther@suse.de>
2877 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
2879 2010-01-01 Richard Guenther <rguenther@suse.de>
2882 * c-decl.c (grokdeclarator): For zero-size arrays force
2883 structural equality checks as layout_type does.
2885 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2887 * builtins.c: Update copyright to 2010.
2889 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2892 * lto-streamer-out.c (produce_asm): Revert the last change.
2893 (copy_function): Likewise.
2895 * lto-streamer.c (lto_get_section_name): Skip any leading
2898 2010-01-01 Richard Guenther <rguenther@suse.de>
2901 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
2905 Copyright (C) 2010 Free Software Foundation, Inc.
2907 Copying and distribution of this file, with or without modification,
2908 are permitted in any medium without royalty provided the copyright
2909 notice and this notice are preserved.