1 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4 should be set true if BITS_PER_WORD of target is bigger than 32
6 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
8 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9 Translate -B-options to -rpath-link. Correct existing
10 rpath-link and conditionalize on !nostdlib.
12 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14 * doc/extend.texi (Function Attributes, Variable Attributes):
16 * doc/invoke.texi (Debugging Options, Optimize Options)
17 (i386 and x86-64 Options, MCore Options): Likewise.
19 2009-03-20 Jakub Jelinek <jakub@redhat.com>
22 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
23 it for block local namespace aliases.
24 (gen_decl_die): Pass context_die to gen_namespace_die.
26 2009-03-19 Jakub Jelinek <jakub@redhat.com>
29 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
30 minimum or maximum value.
32 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
34 * reginfo.c (globalize_reg): Recompute derived reg sets.
36 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
39 * libgcc2.c (mprotect): Do not use signed arguments for
40 VirtualProtect, use DWORD arguments. Also fix the 'may
41 be used uninitialized' warning for the np variable.
43 2009-03-19 Jakub Jelinek <jakub@redhat.com>
46 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
47 functions using regparm calling conventions when not optimizing.
48 (ix86_function_sseregparm): Similarly for sseregparm calling
51 2009-03-19 Li Feng <nemokingdom@gmail.com>
54 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
55 dependence if the first conflict is after niter iterations.
57 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
60 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
61 functions with dynamic stack-pointer adjustments.
63 2009-03-19 Ben Elliston <bje@au.ibm.com>
65 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
66 option; change to -msdata=data.
68 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
70 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
73 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
76 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
78 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
80 * doc/invoke.texi (Code Gen Options): Expand discussion of
83 2009-03-18 Jakub Jelinek <jakub@redhat.com>
85 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
86 * matrix-reorg.c (struct matrix_info): Likewise.
87 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
88 * rtl.h (struct mem_attrs): Likewise.
89 * df.h (struct df): Likewise.
90 * tree-data-ref.h (struct data_dependence_relation): Likewise.
91 * ira-int.h (struct ira_allocno): Likewise.
92 * df-scan.c (struct df_collection_rec): Likewise.
93 * ira.c (struct equivalence): Likewise.
94 * function.c (struct temp_slot): Likewise.
95 * cfgloop.h (struct loop): Likewise.
98 * function.c (use_register_for_decl): When not optimizing, disregard
99 register keyword for variables with types containing methods.
101 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
104 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
105 (is_simple_operand): Call contains_component_ref_p before calling data
106 reference analysis that would fail on COMPONENT_REFs.
108 * tree-vrp.c (search_for_addr_array): Fix formatting.
110 2009-03-18 Richard Guenther <rguenther@suse.de>
112 * tree-vect-transform.c (vect_loop_versioning): Fold the
113 generated comparisons.
114 * tree-vectorizer.c (set_prologue_iterations): Likewise.
115 (slpeel_tree_peel_loop_to_edge): Likewise.
117 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
120 * opts.c (print_specific_help): In addition to `undocumented',
121 accept `separate' and `joined' flags if passed alone. Describe
122 output by the first matched one of those.
123 (common_handle_option): Skip over empty strings.
124 * gcc.c (display_help): Fix help string for `--help='.
125 * doc/invoke.texi (Option Summary, Overall Options): With
126 `--help=', classes and qualifiers can both be repeated, but
127 only the latter can be negated. One should not pass only
128 negated qualifiers. Fix markup and examples.
131 2008-10-14 Jakub Jelinek <jakub@redhat.com>
133 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
136 2009-03-17 Jing Yu <jingyu@google.com>
139 * function.h (struct rtl_data): Move is_thunk from here...
140 (struct function): ...to here.
141 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
142 * varasm.c (assemble_start_function): Change is_thunk from crtl to
144 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
146 (alpha_does_function_need_gp, alpha_start_function): Likewise.
147 (alpha_output_function_end_prologue): Likewise.
148 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
149 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
150 (rs6000_output_function_epilogue): Likewise.
151 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
153 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
156 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
157 from different units in a single alternative.
158 (*truncdfsf_i387): Ditto.
159 (*truncxfsf2_mixed): Ditto.
160 (*truncxfdf2_mixed): Ditto.
162 2009-03-17 Jakub Jelinek <jakub@redhat.com>
164 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
165 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
168 * tree-ssa-live.c (remove_unused_locals): Don't remove local
169 unused non-artificial variables when not optimizing.
172 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
173 DW_TAG_imported_module even if decl is IMPORTED_DECL with
174 NAMESPACE_DECL in its DECL_INITIAL.
177 * optabs.c (set_user_assembler_libfunc): New function.
178 * expr.h (set_user_assembler_libfunc): New prototype.
179 * c-common.c: Include libfuncs.h.
180 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
181 for memcmp, memset, memcpy, memmove and abort.
182 * Makefile.in (c-common.o): Depend on libfuncs.h.
185 * dwarf2out.c (gen_inlined_enumeration_type_die,
186 gen_inlined_structure_type_die, gen_inlined_union_type_die,
187 gen_tagged_type_instantiation_die): Removed.
188 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
191 2009-03-17 Janis Johnson <janis187@us.ibm.com>
194 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
196 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
197 (check-parallel-%): Ditto.
198 (check-consistency): Ditto.
200 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
202 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
203 local variable rhs by NULL_TREE.
205 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
208 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
210 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
213 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
215 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
218 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
219 for ms->sysv ABI calls only in 64bit mode.
221 * config/i386/i386.md (untyped_call): Support 32bit.
223 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
225 * doc/extend.texi: Replace x86_65 with x86_64.
227 2009-03-16 Jakub Jelinek <jakub@redhat.com>
229 PR tree-optimization/39455
230 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
231 mismatches for POINTER_TYPE_P (type).
232 (number_of_iterations_le): Likewise.
234 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
236 * config/picochip/picochip.c: Removed profiling support.
237 * config/picochip/picochip.md: Removed profiling instruction.
238 * config/picochip/picochip.h: Removed profiling builtin.
240 2009-03-16 Joseph Myers <joseph@codesourcery.com>
242 * doc/install.texi (--with-host-libstdcxx): Document.
244 2009-03-14 Anatoly Sokolov <aesok@post.ru>
247 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
248 generate a warning if the function name does not begin with
249 "__vector" and the function has either the 'signal' or 'interrupt'
250 attribute, from here to ...
251 (avr_declare_function_name): ...here. New function.
252 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
253 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
255 2009-03-14 Jakub Jelinek <jakub@redhat.com>
258 * cse.c (fold_rtx): Don't modify original const_arg1 when
259 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
260 separate variable instead.
261 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
262 from out of range shift counts.
263 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
265 2008-03-13 Catherine Moore <clm@codesourcery.com>
267 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
268 diagnostic.h with $(DIAGNOSTIC_H).
270 2008-03-12 Jakub Jelinek <jakub@redhat.com>
273 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
275 * config/i386/sync.md (sync_compare_and_swap<mode>,
276 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
277 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
279 (sync_double_compare_and_swapdi_pic,
280 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
281 cmpxchg8b_pic_memory_operand instead of just memory_operand.
283 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
286 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
288 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
291 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
292 (avx_addsubv4df3): Likewise.
293 (*avx_addsubv4sf3): Likewise.
294 (sse3_addsubv4sf3): Likewise.
296 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
299 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
301 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
304 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
305 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
306 registers for allocnos created from user-defined variables.
308 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
311 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
312 of non-integer mode as well.
314 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
316 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
317 for functions for which the parameter types are unknown.
319 2009-03-11 Jakub Jelinek <jakub@redhat.com>
322 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
323 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
324 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
325 * config/i386/i386.c (ix86_local_alignment): For
326 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
327 long long variables on the stack to avoid dynamic realignment.
328 Allow the first argument to be a decl rather than type.
329 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
331 2009-03-11 Nick Clifton <nickc@redhat.com>
334 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
336 Add description to mno-lsim option.
337 * config/mcore/mcore.h: Remove comment about deprecated m4align
339 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
340 * doc/invoke.texi: Add description of mno-lsim and
341 mstack-increment options.
343 * config/fr30/fr30.opt: Document the -mno-lsim option.
344 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
345 and -mno-lsim options.
347 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
349 * fold-const.c (fold_comparison): Only call fold_inf_compare
350 if the mode supports infinities.
352 2009-03-11 Jason Merrill <jason@redhat.com>
355 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
356 end already did. Notice GIMPLE_CALL modifications of the result.
357 Don't copy debug information from an ignored decl or a decl from
360 2009-03-10 Richard Guenther <rguenther@suse.de>
361 Nathan Froyd <froydnj@codesourcery.com>
364 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
365 (__divMODE3): Likewise.
367 2009-03-09 Jakub Jelinek <jakub@redhat.com>
369 PR tree-optimization/39394
370 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
371 DECL_SIZE_UNIT of variable length FIELD_DECLs.
373 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
375 * recog.c (verfiy_changes): Disallow renaming of hard regs in
376 inline asms for register asm ("") declarations.
378 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
380 * fold-const.c (fold_unary): Fix comment.
382 2009-03-07 Jan Hubicka <jh@suse.cz>
385 * tree-inline.c (setup_one_parameter): Do replacement of const argument
386 by constant in SSA form.
388 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
391 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
392 determine alignment passed to assign_stack_local.
393 (assign_parms_unsplit_complex): Likewise.
394 * except.c (sjlj_build_landing_pads): Likewise.
396 2009-03-06 Jakub Jelinek <jakub@redhat.com>
399 * tree-flow.h (add_referenced_var): Return bool instead of void.
400 * tree-dfa.c (add_referenced_var): Return result of
401 referenced_var_check_and_insert call.
402 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
403 of referenced_var_check_and_insert.
406 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
407 (gen_variable_die): Emit DW_AT_location on abstract static variable's
408 DIE, don't emit it if abstract origin already has it.
409 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
410 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
412 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
414 * genpreds.c: (needs_variable): Fix parentheses at variable name
416 (write_tm_constrs_h): Indent generated code.
418 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
420 * doc/extend.texi (Function Attributes): Add documentation
423 2009-03-06 Jakub Jelinek <jakub@redhat.com>
426 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
427 take locus from its DECL_SOURCE_LOCATION instead of input_location.
429 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
431 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
434 2009-03-05 Jakub Jelinek <jakub@redhat.com>
437 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
438 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
440 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386.md (R8_REG, R9_REG): New constants.
443 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
444 constants instead of magic numbers.
445 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
447 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
448 (x86_64_ms_abi_int_parameter_registers): Ditto.
449 (x86_64_int_return_registers): Ditto.
450 (ix86_maybe_switch_abi): Ditto.
451 (ix86_expand_call): Ditto for clobbered_registers array.
452 (ix86_hard_regno_mode_ok): Ditto.
453 (x86_extended_QIreg_mentioned_p): Ditto.
455 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
457 PR tree-optimization/39349
458 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
460 * combine.c (gen_lowpart_for_combine): Use omode when generating
463 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
465 PR rtl-optimization/39235
466 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
468 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
470 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
472 2009-03-04 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/39362
475 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
476 that occur in abnormal PHIs should be varying.
478 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
480 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
482 (simple_iv): Take loop as an argument instead of statement.
483 * tree-scalar-evolution.h (simple_iv): Declaration changed.
484 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
486 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
488 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
489 * matrix-reorg.c (analyze_transpose): Ditto.
490 * tree-data-ref.c (dr_analyze_innermost): Ditto.
491 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
492 * tree-predcom.c (ref_at_iteration): Ditto.
493 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
495 2009-03-04 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/39358
498 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
499 escaped_id and callused_id.
500 (solve_graph): Likewise.
502 2009-03-04 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/39339
505 * tree-sra.c (try_instantiate_multiple_fields): Make it
506 no longer ICE on the above.
508 2009-03-03 Joseph Myers <joseph@codesourcery.com>
510 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
511 that fits within Pmode.
513 2009-03-03 Steve Ellcey <sje@cup.hp.com>
516 * tm.texi (LIBCALL_VALUE): Update description.
518 2009-03-03 Steve Ellcey <sje@cup.hp.com>
521 * doc/extend.texi (section): Update description.
523 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
526 * tree-inline.c (remapped_type): New.
527 (can_be_nonlocal): Call remapped_type instead of remap_type.
529 2009-03-03 Jakub Jelinek <jakub@redhat.com>
532 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
533 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
535 2009-03-03 Richard Guenther <rguenther@suse.de>
538 * tree.c (tree_nonartificial_location): New function.
539 * tree.h (tree_nonartificial_location): Declare.
540 * builtins.c (expand_builtin_memory_chk): Provide location
541 of the call location for artificial function pieces.
542 (maybe_emit_chk_warning): Likewise.
543 (maybe_emit_sprintf_chk_warning): Likewise.
544 (maybe_emit_free_warning): Likewise.
545 * expr.c (expand_expr_real_1): Likewise.
547 2009-03-03 Jakub Jelinek <jakub@redhat.com>
549 PR tree-optimization/39343
550 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
551 COMPONENT_REF t has ARRAY_TYPE.
553 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
556 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
557 when the type precision of the induction variable should be
558 larger than the type precision of nit.
559 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
560 * graphite.c (graphite_loop_normal_form): Same.
561 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
563 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
565 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
566 (*call_1_rex64_ms_sysv): Use named constants instead of magic
567 numbers to describe clobbered registers.
568 (*call_value_0_rex64_ms_sysv): Ditto.
569 * config/i386/mmx.md (mmx_emms): Ditto.
572 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
574 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
577 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
579 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
580 (spu_section_type_flags): New function.
582 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
584 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
585 reg_class_contents of FLOAT_REGS into a temporary.
587 2009-03-02 Richard Guenther <rguenther@suse.de>
588 Ira Rosen <irar@il.ibm.com>
590 PR tree-optimization/39318
591 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
592 information to the vectorized statement.
594 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
596 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
597 variable. Use defined names instead of magic constants for REX SSE
600 2009-03-01 Richard Guenther <rguenther@suse.de>
602 PR tree-optimization/39331
603 * omp-low.c (lower_send_shared_vars): Do not receive new
604 values for the reference of DECL_BY_REFERENCE parms or results.
606 2009-03-01 Jan Hubicka <jh@suse.cz>
609 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
610 BLOCK_NONLOCALIZED_VAR): New macros.
611 (tree_block): Add nonlocalized_vars.
612 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
613 gen_decl_die): Add origin argument. Allow generation of die with
615 (gen_member_die, gen_type_die_with_usage, force_decl_die,
616 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
618 (gen_block_die): Fix checking for unused blocks.
619 (process_scope_var): Break out from .... ; work with origins only.
620 (decls_for_scope) ... here; process nonlocalized list.
621 (dwarf2out_ignore_block): Look for nonlocalized vars.
622 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
624 (dump_scope_block): Dump them.
625 * tree-inline.c (remap_decls): Handle nonlocalized vars.
626 (remap_block): Likewise.
627 (can_be_nonlocal): New predicate.
628 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
630 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
632 * configure: Regenerate.
634 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
636 * optc-gen.awk: No need to duplicate option flags twice.
637 Reuse help texts for duplicate options which do not have any.
639 * gcc.c (display_help): Document --version.
641 * gcc.c (main): If print_help_list and verbose_flag, ensure
642 driver output comes before subprocess output.
644 * optc-gen.awk: Assign all remaining fields to help string,
645 space-separated, for multi-line help in *.opt.
647 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
648 -Wno-pedantic-ms-format is for MinGW targets only.
650 * doc/options.texi (Option file format): Fix bad indentation,
651 restoring dropped sentence.
653 2009-02-28 Jan Hubicka <jh@suse.cz>
655 * tree-inline.c (tree_function_versioning): Output debug info.
657 2009-02-28 Jan Hubicka <jh@suse.cz>
660 * tree-inline.c (setup_one_parameter): Do not copy propagate
661 arguments when not optimizing.
663 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
666 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
667 (avx_addsubv4df3): Likewise.
668 (*avx_addsubv4sf3): Likewise.
669 (sse3_addsubv4sf3): Likewise.
670 (*avx_addsubv2df3): Likewise.
671 (sse3_addsubv2df3): Likewise.
672 (avx_unpckhps256): Correct item selectors.
673 (avx_unpcklps256): Likewise.
674 (avx_unpckhpd256): Likewise.
675 (avx_unpcklpd256): Likewise.
677 2009-02-28 Jan Hubicka <jh@suse.cz>
679 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
681 (copy_arguments_for_versioning): If var is declared don't declare it.
682 (tree_function_versioning): First setup substitutions and then copy
685 2009-02-27 Jan Hubicka <jh@suse.cz>
688 * cgraph.h (varpool_output_debug_info): Remove.
689 * cgraphunit.c (varpool_output_debug_info): Remove.
690 * dwarf2out.c (deferred_locations_struct): New struct
691 (deferred_locations): New type.
692 (deferred_locations_list): New static var.
693 (deffer_location): New function.
694 (gen_variable_die): Use it.
695 (decls_for_scope): Output info on local static vars.
696 (dwarf2out_finish): Process deferred locations.
697 * varpool.c (varpool_output_debug_info): Remove.
699 2009-02-27 Jan Hubicka <jh@suse.cz>
702 * tree.h (TREE_PROTECTED): Fix comment.
703 (BLOCK_HANDLER_BLOCK): Remove.
704 (struct tree_block): Remove handler_block add body_block.
705 (inlined_function_outer_scope_p): New.
706 (is_body_block): Remove.
707 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
708 * dwarf2out.c (is_inlined_entry_point): Remove.
709 (add_high_low_attributes): Use inlined_function_outer_scope_p.
710 (gen_block_die): Use is_inlined_entry_point check. Remove body block
712 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
713 * gimplify.c (gimplify_expr): Gimplify body blocks.
714 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
715 block with multiple subblocks.
716 (dump_scope_block): Prettier output; dump more flags and info.
717 (dump_scope_blocks): New.
718 (remove_unused_locals): Use dump_scope_blocks.
719 * tree-flow.h (dump_scope_blocks): Declare.
720 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
721 * stmt.c (is_body_block): Remove.
722 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
723 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
725 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
728 * graphite.c (graphite_loop_normal_form): Do not call
729 number_of_iterations_exit from a gcc_assert.
731 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
733 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
734 jumps if COND is NULL.
735 (find_cond_jump): New function.
736 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
737 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
739 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
741 * config/alpha/alpha.h (alpha_expand_mov): Return false if
742 force_const_mem returns NULL_RTX.
744 2009-02-26 Jan Hubicka <jh@suse.cz>
747 * cgraph.h (varpool_output_debug_info): Remove.
748 * cgraphunit.c (varpool_output_debug_info): Remove.
749 * dwarf2out.c (deferred_locations_struct): New struct
750 (deferred_locations): New type.
751 (deferred_locations_list): New static var.
752 (deffer_location): New function.
753 (gen_variable_die): Use it.
754 (decls_for_scope): Output info on local static vars.
755 (dwarf2out_finish): Process deferred locations.
756 * varpool.c (varpool_output_debug_info): Remove.
758 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
760 PR rtl-optimization/39241
761 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
762 to subreg_offset_representable_p.
764 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
766 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
767 execute function prototype. Get f and nregs from max_reg_num
768 and get_insns. Remove the first backward pass as it's dead,
769 guard the forward pass by flag_expensive_optimizations.
770 (rest_of_handle_regmove): Delete.
771 (pass_regmove): Replace it with regmove_optimize.
773 2009-02-25 Martin Jambor <mjambor@suse.cz>
775 PR tree-optimization/39259
776 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
777 calls_alloca function flags.
778 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
781 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
783 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
784 flags_set_1_rtx, flags_set_1_set): Delete.
785 (regmove_optimize): Do not call mark_flags_life_zones.
787 2009-02-24 Julian Brown <julian@codesourcery.com>
790 * config/arm/arm.c (require_pic_register): Only set
791 cfun->machine->pic_reg once per function.
793 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
795 * doc/invoke.texi (Link Options): Document an easier way to pass
796 options that take arguments to the GNU linker using -Xlinker and -Wl.
798 2009-02-24 Steve Ellcey <sje@cup.hp.com>
801 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
803 2009-02-24 Richard Guenther <rguenther@suse.de>
806 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
808 2009-02-24 Richard Guenther <rguenther@suse.de>
809 Zdenek Dvorak <ook@ucw.cz>
811 PR tree-optimization/39233
812 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
813 from converting them to a generic type.
815 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
817 PR tree-optimization/39260
818 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
819 contains a condition with a real type.
820 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
822 2009-02-23 Jason Merrill <jason@redhat.com>
825 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
826 narrowing_initializer_constant_valid_p.
827 (narrowing_initializer_constant_valid_p): Don't return
828 null_pointer_node for adding a pointer to itself.
830 2009-02-23 Jan Hubicka <jh@suse.cz>
833 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
836 2009-02-23 Jan Hubicka <jh@suse.cz>
838 PR tree-optimization/37709
839 * tree.c (block_ultimate_origin): Move here from dwarf2out.
840 * tree.h (block_ultimate_origin): Declare.
841 * dwarf2out.c (block_ultimate_origin): Move to tree.c
842 * tree-ssa-live.c (remove_unused_scope_block_p):
843 Eliminate blocks containig no instructions nor live variables nor
845 (dump_scope_block): New function.
846 (remove_unused_locals): Enable removal of dead blocks by default;
847 enable dumping at TDF_DETAILS.
849 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
851 * config/i386/i386.c (classify_argument): Don't allow COImode
853 (function_arg_advance_32): Don't allow OImode.
854 (function_arg_32): Likewise.
855 (function_value_32): Likewise.
856 (return_in_memory_32): Likewise.
857 (function_arg_64): Remove OImode comment.
859 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
862 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
863 ix86_expand_vector_set for V4DImode in 64bit mode only.
864 (ix86_expand_vector_init_one_var): Likewise.
866 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
868 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
870 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
873 * loop-iv.c: Revert last change.
874 * emit-rtl.c: Likewise.
876 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
879 * config/i386/i386.c (type_natural_mode): Remove an extra
880 space in the warning message.
881 (function_value_32): Handle 32-byte vector modes.
882 (return_in_memory_32): Likewise.
884 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
886 * loop-iv.c (truncate_value): New function.
887 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
889 (lowpart_subreg): Move to...
890 * emit-rtl.c: ...here.
892 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
894 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
895 accidental and undocumented change at revision 140860.
897 2009-02-21 Joseph Myers <joseph@codesourcery.com>
899 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
900 take gimple_seq * arguments.
901 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
902 types_compatible_p langhook.
904 2009-02-20 Mark Mitchell <mark@codesourcery.com>
905 Joseph Myers <joseph@codesourcery.com>
907 * config/arm/arm.c (arm_builtin_va_list): New function.
908 (arm_expand_builtin_va_start): Likewise.
909 (arm_gimplify_va_arg_expr): Likewise.
910 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
911 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
912 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
913 (va_list_type): New variable.
914 (arm_mangle_type): Mangle va_list_type appropriately.
916 2009-02-20 Jakub Jelinek <jakub@redhat.com>
919 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
920 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
921 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
922 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
923 parameter to 1000 for -O1 by default.
924 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
926 * loop-invariant.c: Include params.h.
927 (move_loop_invariants): Don't call move_single_loop_invariants on
930 2009-02-20 Jaka Mocnik <jaka@xlab.si>
932 * calls.c (emit_library_call_value_1): Use slot_offset instead of
933 offset when calculating bounds for indexing stack_usage_map. Fixes
934 a buffer overflow with certain target setups.
936 2009-02-20 Jakub Jelinek <jakub@redhat.com>
939 * calls.c (expand_call): Clear try_tail_call if caller and callee
940 disagree in promotion of function return value.
942 2009-02-19 Jakub Jelinek <jakub@redhat.com>
945 * c-common.c (c_determine_visibility): If visibility changed and
946 DECL_RTL has been already set, call make_decl_rtl to update symbol
949 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
952 * varasm.c (assemble_variable): Don't check DECL_NAME when
953 globalizing a variable.
955 2009-02-19 Joseph Myers <joseph@codesourcery.com>
958 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
959 expression before any __builtin_trap call.
960 * c-typeck.c (build_function_call): Convert and check function
961 arguments before generating a call to a trap. Evaluate the
962 function arguments before the trap.
964 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
967 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
968 (UNSPEC_FXAM_MEM): New unspec.
969 (fxam<mode>2_i387_with_temp): New insn and split pattern.
970 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
971 memory using fxam<mode>2_i387_with_temp to remove excess precision.
973 2009-02-19 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/39207
976 PR tree-optimization/39074
977 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
978 storedanything_tree): New.
979 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
980 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
981 (build_succ_graph): Add edges from STOREDANYTHING to all
983 (init_base_vars): Initialize STOREDANYTHING.
984 (compute_points_to_sets): Free substitution info after
985 building the succ graph.
986 (ipa_pta_execute): Likewise.
988 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
990 (do_ds_constraint): Do not add to special var or non-pointer
992 (type_could_have_pointers): Split out from ...
993 (could_have_pointers): ... here. For arrays use the element type.
994 (create_variable_info_for): Initialize may_have_pointers.
995 (new_var_info): Likewise.
996 (handle_lhs_call): Make the HEAP variable unknown-sized.
997 (intra_create_variable_infos): Use a type with pointers for
998 PARM_NOALIAS, make it unknown-sized.
1000 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1003 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1005 2009-02-18 Jason Merrill <jason@redhat.com>
1008 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1009 value if DECL_EXTERNAL.
1010 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1011 * target.h (gcc_target::binds_local_p): Clarify "module".
1012 * tree.h (TREE_PUBLIC): Clarify "module".
1014 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1017 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1018 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1020 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1023 * c.opt (Wabi): Support C and ObjC.
1026 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1028 * config/i386/i386.c (classify_argument): Warn once about the ABI
1029 change when passing union with long double.
1031 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1033 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1036 * c-parser.c (c_parser_compound_statement): Always enter and leave
1039 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1042 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1044 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1046 PR tree-optimization/36922
1047 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1048 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1051 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1053 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1056 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1058 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1060 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1062 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1065 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1066 Richard Sandiford <rdsandiford@googlemail.com>
1068 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1069 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1070 (loongson_biadd): ...this.
1072 2009-02-17 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/39202
1075 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1076 a var make sure to follow existing collapses.
1078 2009-02-17 Richard Guenther <rguenther@suse.de>
1081 * langhooks.c (lhd_print_error_function): Check for NULL block.
1083 2009-02-17 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/39204
1086 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1089 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1091 * config/soft-fp/double.h: Update from glibc CVS.
1093 2009-02-17 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/39207
1096 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1097 strict-aliasing warnings for pointers pointing to NULL.
1099 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1102 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1103 skipping until next close brace.
1105 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1108 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1109 to function argument boundary.
1111 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1113 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1114 in the lea_add. Reload eventually constraints it properly.
1115 * config/picochip/constraints.md : Remove the target constraint
1116 "b", since it is not needed anymore.
1118 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1120 * gthr-dce.h: Uglify function parameter and local variable names.
1121 * gthr-gnat.h: Likewise.
1122 * gthr-mipssde.h: Likewise.
1123 * gthr-nks.h: Likewise.
1124 * gthr-posix95.h: Likewise.
1125 * gthr-posix.h: Likewise.
1126 * gthr-rtems.h: Likewise.
1127 * gthr-single.h: Likewise.
1128 * gthr-solaris.h: Likewise.
1129 * gthr-tpf.h: Likewise.
1130 * gthr-vxworks.h: Likewise.
1131 * gthr-win32.h: Likewise.
1133 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1136 * config/i386/i386.md: Restrict the new peephole2 to move
1137 between MMX/SSE registers.
1139 2009-02-15 Richard Guenther <rguenther@suse.de>
1142 2009-02-13 Richard Guenther <rguenther@suse.de>
1144 * configure.ac: Enable LFS.
1145 * configure: Re-generate.
1146 * config.in: Likewise.
1148 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1150 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1151 spu_srqwbyte, spu_srqwbytebc): Define.
1152 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1153 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1154 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1155 "shrqby_<mode>"): New insn-and-split patterns.
1156 * config/spu/spu.c (expand_builtin_args): Determine and return
1157 number of operands using spu_builtin_description data.
1158 (spu_expand_builtin_1): Use it.
1160 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1163 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1166 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1169 * config/i386/i386.c (override_options): Correct warning
1170 messages for -malign-loops, -malign-jumps and -malign-functions.
1172 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1175 * config/i386/i386.md: Restrict the new peephole2 to move
1176 between the general purpose registers.
1178 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1181 * config/i386/i386.c (type_natural_mode): Add a new argument.
1182 Return the original mode and warn ABI change if vector size is 32byte.
1183 (function_arg_advance): Updated.
1184 (function_arg): Likewise.
1185 (ix86_function_value): Likewise.
1186 (ix86_return_in_memory): Likewise.
1187 (ix86_sol10_return_in_memory): Likewise.
1188 (ix86_gimplify_va_arg): Likewise.
1189 (function_arg_32): Don't warn ABX ABI change here.
1190 (function_arg_64): Likewise.
1192 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1194 * loop-iv.c (implies_p): In the final case, test that operands 0
1195 of the two comparisons match.
1197 * config/bfin/bfin.c (find_prev_insn_start): New function.
1198 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1199 (find_next_insn_start): Move.
1201 2009-02-13 Richard Guenther <rguenther@suse.de>
1203 * configure.ac: Enable LFS.
1204 * configure: Re-generate.
1205 * config.in: Likewise.
1207 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1210 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1211 sizes on syntax error after some arguments have been parsed.
1213 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1215 * doc/invoke.texi (-fira): Remove.
1217 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1219 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1220 * recog.c: Likewise.
1223 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1225 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1226 (umul_ppmm): Likewise.
1227 (count_leading_zeros): Likewise.
1228 (count_trailing_zeros): Likewise.
1229 (UMUL_TIME): Likewise.
1231 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1233 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1234 soft-fp/t-softfp to tmake_file.
1236 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1237 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1238 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1239 IA64_BUILTIN_INFQ]: New.
1240 (ia64_init_builtins): Initialize __builtin_infq,
1241 __builtin_fabsq and __builtin_copysignq if not HPUX.
1242 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1243 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1245 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1247 (__fixtfti): Likewise.
1248 (__fixunstfti): Likewise.
1249 (__floattitf): Likewise.
1251 * config/ia64/libgcc-glibc.ver: New.
1252 * config/ia64/t-fprules-softfp: Likewise.
1253 * config/ia64/sfp-machine.h: Likewise.
1255 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1256 (LIBGCC2_TF_CEXT): Likewise.
1257 (TF_SIZE): Likewise.
1258 (TARGET_INIT_LIBFUNCS): Likewise.
1260 * config/ia64/t-glibc (SHLINB_MAPFILES):
1261 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1263 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1265 * config/i386/i386.c (construct_container): Rewrite processing
1266 BLKmode with X86_64_SSE_CLASS.
1268 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1271 * config/i386/i386.md: Replace simplify_replace_rtx with
1272 replace_rtx in the new peephole2.
1274 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1276 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1277 loop unrolling do not happen at -O2.
1279 2009-02-12 Michael Matz <matz@suse.de>
1281 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1283 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1285 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1288 2009-02-12 Ben Elliston <bje@au.ibm.com>
1290 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1291 patterns when updating the back chain. Missed in the 2009-02-10
1294 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1296 * doc/extend.texi (Decimal Floating Types): Update identifier of
1297 draft TR and list of missing support.
1299 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1302 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1303 bit to variable length decl's flags, add it also to its
1304 pointer replacement variable.
1306 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1307 Jakub Jelinek <jakub@redhat.com>
1310 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1311 (memory_blockage): New expander.
1312 (*memory_blockage): New insn pattern.
1313 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1314 instead of general blockage at the end of function prologue when
1315 frame pointer is used to access red zone area. Do not emit blockage
1316 when profiling, it is emitted in generic code.
1317 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1318 function epilogue when frame pointer is used to access red zone area.
1320 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1323 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1324 by arithmetic with memory operands.
1325 * config/i386/predicates.md (commutative_operator): New.
1327 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1329 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1332 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1334 * alias.h (record_alias_subset): Declare.
1335 * alias.c (record_alias_subset): Make global.
1337 2009-02-10 Nick Clifton <nickc@redhat.com>
1339 * tree-parloops.c: Change license to GPLv3.
1340 * ipa-struct-reorg.c: Change license to GPLv3.
1341 * ipa-struct-reorg.h: Change license to GPLv3.
1343 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1346 * c-decl.c (start_struct): Return NULL on error.
1348 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1351 * cfgloopmanip.c (remove_path): Call remove_bbs after
1352 cancel_loop_tree, not before it.
1355 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1356 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1357 VAR_DECLs were seen.
1358 * tree-ssa-live.c (remove_unused_locals): Recompute
1359 cfun->has_local_explicit_reg_vars.
1360 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1361 copies or clearings if cfun->has_local_explicit_reg_vars.
1363 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1366 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1367 of function prologue when frame pointer is used to access
1370 2009-02-10 Richard Guenther <rguenther@suse.de>
1373 * gimplify.c (gimple_regimplify_operands): Always look if
1374 we need to create a temporary.
1376 2009-02-10 Richard Guenther <rguenther@suse.de>
1378 PR tree-optimization/39132
1379 * tree-loop-distribution.c (todo): New global var.
1380 (generate_memset_zero): Trigger TODO_rebuild_alias.
1381 (tree_loop_distribution): Return todo.
1383 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1386 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1387 (x86_64_reg_class_name): Removed.
1388 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1389 first one isn't X86_64_SSE_CLASS or any other ones aren't
1390 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1391 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1392 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1393 and 3 X86_64_SSEUP_CLASS.
1394 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1395 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1397 2009-02-10 Ben Elliston <bje@au.ibm.com>
1399 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1400 form instruction to update the stack back chain word, even if the
1401 user has disabled the generation of update instructions.
1402 (movdi_<mode>_update_stack): New.
1403 (movsi_update_stack): Likewise.
1404 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1405 always use an update form instruction to update the stack back
1408 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1411 * graphite.c (if_region_set_false_region): After moving a region in
1412 the false branch of a condition, remove the empty dummy basic block.
1413 (gloog): Remove wrong fix for PR38953.
1415 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1417 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1418 generation due to implicit sign extension.
1420 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1423 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1424 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1426 2009-02-09 Richard Guenther <rguenther@suse.de>
1429 * convert.c (convert_to_real): Disable (float)fn((double)x)
1430 to fnf(x) conversion if errno differences may occur and
1431 -fmath-errno is set.
1433 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1435 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1436 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1437 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1439 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1442 * c-common.c (handle_alias_attribute): Disallow attribute for
1443 anything not a FUNCTION_DECL or VAR_DECL.
1445 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1448 * real.c (do_compare): Special-case compare of zero against
1449 decimal float value.
1451 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1454 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1455 as indicating flexible array members unless the field itself is
1456 being declarared as the incomplete array.
1458 2009-02-06 Jan Hubicka <jh@suse.cz>
1460 PR tree-optimization/38844
1461 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1464 2009-02-06 Richard Guenther <rguenther@suse.de>
1467 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1468 fork because we may expand it as __gcov_fork.
1470 2009-02-06 Nick Clifton <nickc@redhat.com>
1472 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1474 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1476 PR tree-optimization/35659
1477 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1478 vn_phi_eq): Shortcut if hashcode does not match.
1479 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1481 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1482 and avoid iterative_hash_expr.
1483 (FOR_EACH_VALUE_ID_IN_SET): New.
1484 (value_id_compare): Remove.
1485 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1486 sort expressions by value id.
1488 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1491 * config/sh/predicates.md (general_movsrc_operand): Don't check
1492 the subreg of system registers here.
1494 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1497 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1500 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1502 PR rtl-optimization/39110
1503 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1504 addresses, not aligned ones.
1506 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1507 Richard Guenther <rguenther@suse.de>
1509 PR tree-optimization/39100
1510 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1511 comment says and add edges.
1513 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1516 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1517 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1519 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1521 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1522 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1523 register_bb_in_sese, new_sese, free_sese): Moved.
1524 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1525 outermost_loop_in_scop, build_scop_iteration_domain,
1526 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1527 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1528 Use loop_in_sese_p instead of loop_in_scop_p.
1529 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1530 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1531 (scopdet_basic_block_info): Fix bug in scop detection.
1532 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1533 eq_loop_to_cloog_loop): Remove.
1534 (nb_loops_around_loop_in_scop, nb_loop
1535 ref_nb_loops): Moved here...
1536 * graphite.h (ref_nb_loops): ... from here.
1537 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1538 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1539 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1540 * testsuite/gcc.dg/graphite/scop-19.c: New
1542 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1543 Hans-Peter Nilsson <hp@axis.com>
1545 PR rtl-optimization/37889
1546 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1547 Move offset handling from PLUS to before the switch. Use new
1548 arguments when considering SYMBOL_REFs too.
1549 (rtx_addr_can_trap_p): Pass dummy offset and size.
1550 (enum may_trap_p_flags): Remove.
1551 (may_trap_p_1): Pass size from MEM_SIZE.
1553 PR rtl-optimization/38921
1554 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1555 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1556 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1557 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1559 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1561 AVX Programming Reference (January, 2009)
1562 * config/i386/sse.md (*vpclmulqdq): New.
1564 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1566 PR tree-optimization/38977
1567 PR gcov-profile/38292
1568 * calls.c (special_function_p): Disregard __builtin_ prefix.
1570 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1572 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1573 non-indexable addresses even before reload.
1575 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1578 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1579 as having variable size. Do not give an error for unnamed
1580 parameters with [*] declarators. Give a warning for type names
1581 with [*] declarators and mark them as variable size.
1582 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1583 for sizeof applied to [*] type names.
1585 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1588 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1590 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1592 * gcc.c (process_command): Update copyright notice dates.
1593 * gcov.c (print_version): Likewise.
1594 * gcov-dump.c (print_version): Likewise.
1595 * mips-tfile.c (main): Likewise.
1596 * mips-tdump.c (main): Likewise.
1598 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1601 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1602 for composite type involving a zero-length array type.
1604 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1607 * function.c (match_asm_constraints_1): Skip over
1608 initial optional % in the constraint.
1611 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1612 supported, don't accept FIXED_CSTs.
1613 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1614 and _Sat is used without _Fract/_Accum. Set specs->type to
1615 integer_type_node for cts_fract/cts_accum if fixed point is not
1618 2009-02-02 Catherine Moore <clm@codesourcery.com>
1620 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1622 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1624 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1625 (ABI_HAS_64BIT_SYMBOLS): Use it.
1626 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1628 2009-02-02 Paul Brook <paul@codesourcery.com>
1630 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1632 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1635 * recog.h (asm_operand_ok): Add constraints argument.
1636 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1637 recurse on matching constraint.
1638 (check_asm_operands): Pass constraints as 3rd argument to
1639 asm_operand_ok. Don't look up matching constraint here.
1640 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1643 2009-02-02 Ben Elliston <bje@au.ibm.com>
1645 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1646 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1648 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1650 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1651 information. Remove some obsolete information. Reorganize.
1653 * config/pa/fptr.c: Revert license to GPL 2.
1654 * config/pa/milli64.S: Likewise.
1656 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1659 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1660 LIBRARY name in, instead of hard-coding it.
1661 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1662 extra target make frag to tmake_files according to EH model.
1663 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1664 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1665 frags that define makefile variable EH_MODEL appropriately.
1666 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1667 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1668 to "-sjlj" according to type of EH configured.
1669 (LIBGCC_SONAME): Concatenate it to shared library base name.
1670 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1671 to "_sjlj" according to type of EH configured.
1672 (LIBGCC_SONAME): Concatenate it to shared library base name.
1673 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1674 (SHLIB_LINK): Add missing semicolon to if-else construct.
1675 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1676 string value of "pe_dll" command-line option.
1677 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1678 (SHLIB_SONAME): Use it when overriding t-cygming default.
1679 (SHLIB_IMPLIB): Override t-cygming default.
1680 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1681 string value of "pe_dll" command-line option.
1683 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1686 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1687 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1689 2009-01-31 Richard Guenther <rguenther@suse.de>
1691 PR tree-optimization/38937
1692 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1693 computing the transitive closure.
1695 2009-01-30 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/39041
1698 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1699 Propagate variable indices only if the types match for this stmt.
1701 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1704 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1705 inline but never defined.
1707 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1709 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1710 (*insv_h_di_reg_extimm): New insn.
1711 (*insv_l<mode>_reg_extimm): New insn.
1713 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1715 * config/picochip/picochip.c (flag_conserve_stack): set
1716 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1717 fconserve-stack. Reduce call-overhead used by inliner.
1719 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1722 * common.opt (flag_conserve_stack): Initialised to zero.
1724 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1727 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1728 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1731 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1733 * ira-color.c (allocno_reload_assign): Update comments.
1734 * regmove.c (regmove_optimize): Likewise.
1738 2009-01-29 Robert Millan <rmh@aybabtu.com>
1740 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1741 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1742 `MD_UNWIND_SUPPORT'.
1743 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1745 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1747 PR tree-optimization/39007
1748 * tree-loop-distribution.c (generate_builtin): Use
1749 recompute_dominator to compute the immediate dominator of the
1750 basic block just after the loop.
1752 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1754 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1755 (ASM_OUTPUT_DWARF_PCREL): Define.
1757 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1759 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1760 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1761 global. Modify entries about regmove and IRA.
1763 * ra-conflict.c: Remove the file.
1765 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1767 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1768 (pass_regclass_init): Rename to pass_reginfo_init.
1770 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1772 * toplev.h (flag_ira): Remove.
1774 * caller-save.c (setup_save_areas): Remove flag_ira.
1776 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1778 * global.c: Remove the file.
1780 * opts.c: (decode_options): Remove flag_ira.
1782 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1784 * regmove.c: Modify file description.
1785 (find_use_as_address, try_auto_increment): Define them only if
1786 AUTO_INC_DEC is defined.
1787 (replacement_quality, replace_in_call_usage, fixup_match_1,
1788 stable_and_no_regs_but_for_p): Remove.
1789 (reg_set_in_bb): Make it static.
1790 (regmove_optimize): Remove flag_ira and code which worked for
1793 * local-alloc.c: Remove the file.
1795 * common.opt (fira): Remove.
1797 * ira.c: Include except.h.
1798 (eliminable_regset): Move from global.c.
1799 (mark_elimination): Ditto. Remove flag_ira.
1800 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1801 equiv_mem_modified, validate_equiv_mem_from_store,
1802 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1803 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1804 no_equiv, recorded_label_ref): Move from local-alloc.c.
1805 (update_equiv_regs): Ditto. Make it static.
1806 (print_insn_chain, print_insn_chains): Move it from global.c.
1807 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1808 (build_insn_chain): Ditto. Make it static.
1809 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1810 Rename to init_live_subregs.
1811 (gate_ira): Remove flag_ira.
1813 * regclass.c: Rename reginfo.c. Change file description.
1814 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1815 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1816 (init_reg_sets_1): Remove code for evaluation of
1817 reg_class_superclasses and losing_caller_save_reg_set.
1818 (init_regs): Remove init_reg_autoinc.
1819 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1820 ok_for_base_p_nonstrict): Remove.
1821 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1822 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1823 corresponding entries.
1824 (dump_regclass, record_operand_costs, scan_one_insn,
1825 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1826 record_address_regs, auto_inc_dec_reg_p): Remove.
1827 (gt-regclass.h): Rename to gt-reginfo.h.
1829 * rtl.h (dump_global_regs, retry_global_alloc,
1830 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1832 * Makefile.in (RA_H): Remove.
1833 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1834 Rename regclass.o to reginfo.o.
1835 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1837 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1838 (GTFILES): Rename regclass.c to reginfo.c.
1840 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1841 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1843 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1844 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1846 (finish_spills): Ditto. Remove code for !flag_ira.
1848 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1851 * doc/invoke.texi (rtl debug options): Complete rewrite.
1852 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1854 * mode-switching.c (pass_mode_switching): Rename pass from
1855 "mode-sw" to "mode_sw".
1856 * except.c (pass_convert_to_eh_ranges): Rename pass from
1857 "eh-ranges" to "eh_ranges".
1858 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1862 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1863 Alexander Monakov <amonakov@ispras.ru>
1866 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1868 (move_exprs_to_boundary): Change return type and pass through
1869 should_move from move_op. Relax assert. Update usage ...
1870 (schedule_expr_on_boundary): ... here. Use should_move instead of
1872 (move_op_orig_expr_found): Indicate that insn was disconnected from
1874 (code_motion_process_successors): Do not call after_merge_succs
1875 callback if original expression was not found when traversing any of
1877 (code_motion_path_driver): Change return type. Update prototype.
1878 (move_op): Update comment. Add a new parameter (should_move). Update
1879 prototype. Set *should_move based on indication provided by
1880 move_op_orig_expr_found.
1882 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1884 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1885 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1886 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1887 * config/rs6000/rs6000.c (rs6000_override_options): Default
1888 avoid-indexed-addresses on for Power6, off for everything else.
1889 (avoiding_indexed_address_p): New function.
1890 (rs6000_legitimize_address): Use it.
1891 (rs6000_legitimate_address): Likewise.
1892 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1894 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1896 PR tree-optimization/38997
1897 * tree-loop-distribution.c (generate_memset_zero): Use
1898 POINTER_PLUS_EXPR for a pointer addition.
1900 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1902 * config/s390/s390.md (bswap<mode>2): New pattern added.
1904 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1906 * config/s390/s390.md (*tls_load_31): Added type attribute.
1908 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1910 * config/s390/s390.md: Fix a few comments.
1912 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1914 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1915 (*tm<mode>_full): Fixed z10prop attribute.
1916 (*tst<mode>_extimm): Fixed z10prop attribute.
1917 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1918 (*tstqiCCT_cconly): Fixed z10prop attribute.
1919 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1920 (*movsi_larl): Fixed z10prop attribute.
1921 (*movsi_zarch): Fixed z10prop attribute.
1922 (*movsi_eas): Fixed z10prop attribute.
1923 (*movhi): Fixed z10prop attribute.
1924 (*movqi): Fixed z10prop attribute.
1925 (*movstrictqi): Fixed z10prop attribute.
1926 (*mov<mode>): Fixed z10prop attribute.
1927 (*movcc): Fixed z10prop attribute.
1928 (*sethighpartdi_64): Fixed z10prop attribute.
1929 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1930 (*negdi2_sign_cc): Fixed z10prop attribute.
1931 (*negdi2_sign): Fixed z10prop attribute.
1932 (*absdi2_sign_cc): Fixed z10prop attribute.
1933 (*absdi2_sign): Fixed z10prop attribute.
1934 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1935 (*negabsdi2_sign): Fixed z10prop attribute.
1936 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1937 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1938 (doloop_si64): Fixed z10prop attribute.
1939 (doloop_si31): Fixed z10prop attribute.
1940 (doloop_long): Fixed z10prop attribute.
1941 (indirect_jump): Fixed z10prop attribute.
1942 (nop): Fixed z10prop attribute.
1943 (main_base_64): Fixed z10prop attribute.
1944 (reload_base_64): Fixed z10prop attribute.
1946 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1948 PR rtl-optimization/38740
1949 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1951 * config/mips/mips.c (mips_reorg): Likewise.
1953 2009-01-28 Richard Guenther <rguenther@suse.de>
1955 PR tree-optimization/38926
1956 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1957 with the correct value id to a value.
1958 (do_regular_insertion): Use the value number of edoubleprime
1959 for the value number of the expr.
1962 2008-08-21 Richard Guenther <rguenther@suse.de>
1964 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1965 a PHI ask VN if it is already available.
1966 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1967 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1969 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1972 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1973 set to varying whenever max has TREE_OVERFLOW set, similarly
1974 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1976 2009-01-28 Richard Guenther <rguenther@suse.de>
1979 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1980 uninitialized aggregate uses in call arguments.
1982 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1984 PR tree-optimization/38984
1985 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1986 the nothing_id variable if -fno-delete-null-pointer-checks.
1988 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1991 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1992 (set_got_offset_rex64): Ditto.
1994 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1997 * doc/extend.texi: Improve local variable with asm reg.
1999 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2001 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2002 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2003 was not supplied then set warn_packed_bitfield_compat to the
2005 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2008 2009-01-27 Richard Guenther <rguenther@suse.de>
2010 PR tree-optimization/38503
2011 * cfgexpand.c (expand_gimple_basic_block): Ignore
2012 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2013 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2014 variables that cannot have TBAA applied.
2015 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2018 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2021 * calls.c (initialize_argument_information): Do not wrap complex
2022 arguments in SAVE_EXPR.
2024 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2026 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2027 (INSTALL_LIBGCC): Revert typo commit.
2029 2009-01-26 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/38745
2032 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2033 from special handling.
2035 2009-01-26 Richard Guenther <rguenther@suse.de>
2037 PR tree-optimization/38745
2038 * tree-ssa.c (execute_update_addresses_taken): Do not include
2039 variables that cannot possibly be a register in not_reg_needs.
2040 Do not clear TREE_ADDRESSABLE on vars that may not become
2042 * tree-ssa.c (update_alias_info_1): Include those in the set
2043 of addressable vars.
2045 2009-01-26 Richard Guenther <rguenther@suse.de>
2048 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2049 * tree-ssa-dse.c: Include langhooks.h
2050 (execute_simple_dse): Remove stores with zero size.
2052 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2055 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2058 2009-01-24 Julian Brown <julian@codesourcery.com>
2060 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2061 config/arm/linux-atomic.c.
2062 * config/arm/linux-atomic.c: New.
2064 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2066 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2067 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2068 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2070 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2073 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2076 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2078 PR tree-optimization/38953
2079 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2080 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2081 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2082 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2085 2009-01-24 Paul Brook <paul@codesourcery.com>
2087 * config/arm/neon.md (neon_type): Move to arm.md.
2088 (neon_mov<VSTRUCT>): Add neon_type attribute.
2089 * config/arm/arm.md (neon_type): Move to here.
2090 (conds): Add "unconditioal" and use as default for NEON insns.
2092 2009-01-24 Ben Elliston <bje@au.ibm.com>
2094 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2095 void *' warning from -Wc++-compat.
2096 * Makefile.in (dominance.o-warn): Remove.
2098 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2100 PR tree-optimization/38932
2101 * fold-const.c (fold_unary_ignore_overflow): New.
2102 * tree.h (fold_unary_ignore_overflow): Declare.
2103 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2104 * tree-ssa-sccvn.c (visit_reference_op_load,
2105 simplify_unary_expression): Likewise.
2107 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2109 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2110 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2111 regardless of their type.
2112 * c-common.c (handle_packed_attribute): Don't ignore packed on
2114 * c.opt (Wpacked-bitfield-compat): New warning option.
2115 * stor-layout.c (place_field): Warn if offset of a field changed.
2116 * doc/extend.texi (packed): Mention the ABI change.
2117 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2118 (Warning Options): Add it to the list.
2120 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2122 * c-opts.c (c_common_post_options): Fix a typo in comments.
2124 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2127 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2128 variables to static.
2129 * doc/invoke.texi (-fmerge-all-constants): Update description.
2131 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2134 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2135 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2137 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2139 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2141 (LOCAL_ALIGNMENT): Similarly.
2143 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2144 Joseph Myers <joseph@codesourcery.com>
2146 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2147 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2148 * config/arm/arm-tune.md: Regenerate.
2149 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2152 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2154 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2155 version number to five.
2157 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2160 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2161 * c-common.c (set_underlying_type): Likewise.
2162 (is_typedef_decl ): Likewise
2164 (set_underlying_type): Likewise.
2165 (is_typedef_type): Likewise.
2167 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2170 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2173 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2176 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2177 (LIBGCC_SPEC): Don't define.
2178 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2180 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2182 PR rtl-optimization/38879
2183 * alias.c (base_alias_check): Unaligned access via AND address can
2184 alias all surrounding object types except those with sizes equal
2185 or wider than the size of unaligned access.
2187 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2190 * c-decl.c: (clone_underlying_type): Move this ...
2191 * c-common.c (set_underlying_type): ... here.
2192 Also, make sure the function properly sets TYPE_STUB_DECL() on
2193 the newly created typedef variant type.
2194 (is_typedef_decl ): New entry point.
2195 * tree.h: Added a new member member_types_needing_access_check to
2196 struct tree_decl_non_common.
2197 (set_underlying_type): New entry point.
2198 (is_typedef_type): Likewise.
2200 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2202 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2203 Check whether two instructions have memory references that
2204 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2205 are helper functions for traversing.
2206 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2207 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2208 not to draw dependency edge for instructions with non-conflicting
2211 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2214 * longlong.h: Update copyright years. Use soft-fp license notice.
2215 Sync __clz_tab declaration with glibc.
2217 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2220 * doc/extend.texi (syscall_linkage): New.
2221 (version_id): Modify.
2223 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2224 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/38747
2227 PR tree-optimization/38748
2228 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2229 conversion if the base address is an indirect reference and the
2230 aliasing sets could cause issues.
2232 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2234 * common.opt (fgraphite, fgraphite-identity): Add comment for
2235 explaining why these options are not documented.
2237 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2239 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2240 gimple_call_lhs is NULL.
2242 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2245 * emit-rtl.c (adjust_address_1): Make sure memref is never
2248 2009-01-20 Ben Elliston <bje@au.ibm.com>
2250 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2251 const qualifier from arg parameter. Remove unnecessary cast to char *.
2252 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2253 const qualifier from arg 2.
2255 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2257 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2259 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2262 * rtl.h (reinit_regs): New prototype.
2263 * regclass.c: Include ira.h.
2265 * Makefile.in (regclass.o): Add ira.h.
2266 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2268 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2271 * c-common.c (handle_aligned_attribute): Use
2272 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2273 default alignment value.
2275 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2277 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2278 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2280 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2281 __BIGGEST_ALIGNMENT__.
2283 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2285 2009-01-18 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/38819
2288 * tree-flow.h (operation_could_trap_helper_p): Declare.
2289 * tree-eh.c (operation_could_trap_helper_p): Export.
2290 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2291 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2292 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2293 are about to insert a possibly trapping instruction and fail
2296 2009-01-18 Andreas Schwab <schwab@suse.de>
2298 * doc/install.texi (Configuration): Remove obsolete paragraph
2299 about use of --with-gnu-ld with --with-gnu-as.
2301 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2303 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2304 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2305 Follow spelling conventions.
2307 2009-01-18 Ben Elliston <bje@au.ibm.com>
2309 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2310 C++ warning about implicit conversion from void * to struct
2312 (bitmap_obstack_free): Likewise for bitmap_element *.
2313 * Makefile.in (bitmap.o-warn): Remove.
2315 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2317 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2319 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2320 Tobias Grosser <tobi.grosser@amd.com>
2322 * graphite.c (graphite_trans_scop_block): Do not block single
2325 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2327 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2328 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2329 test with assertion.
2331 2009-01-16 Richard Guenther <rguenther@suse.de>
2333 PR tree-optimization/38835
2335 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2336 and INT + PTR -> (INT)(PTR p+ INT) folding.
2337 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2339 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2342 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2343 the subreg from a lowpart subreg if it is also casting the value.
2345 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2346 Tobias Grosser <tobi.grosser@amd.com>
2348 * graphite.c (compare_prefix_loops): New.
2349 (build_scop_canonical_schedules): Rewritten.
2350 (graphite_transform_loops): Move build_scop_canonical_schedules
2351 after build_scop_iteration_domain.
2353 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2354 Tobias Grosser <tobi.grosser@amd.com>
2356 * graphite.c (add_conditions_to_domain): Add the loops to
2357 the dimension of the iteration domain. Do copy the domain
2358 only when it exists.
2359 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2360 (add_conditions_to_constraints): New.
2361 (can_generate_code_stmt, can_generate_code): Removed.
2362 (gloog): Do not call can_generate_code.
2363 (graphite_transform_loops): Call add_conditions_to_constraints
2364 after building the iteration domain.
2366 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2368 PR tree-optimization/38789
2369 * tree-ssa-threadedge.c
2370 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2371 __builtin_constant_p.
2373 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2375 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2376 examined before deleting them.
2378 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2380 * function.c (aggregate_value_p): Correctly extract the function
2381 type from CALL_EXPR_FN lookup.
2383 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2385 * config/picochip/picochip.c (picochip_override_options): Revert
2386 CFI asm flag disable commited previously.
2388 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2389 Tobias Grosser <tobi.grosser@amd.com>
2390 Jan Sjodin <jan.sjodin@amd.com>
2392 * graphite.c (scan_tree_for_params): On substractions negate
2393 all the coefficients of the term.
2394 (clast_to_gcc_expression_red): New. Handle reduction expressions
2395 of more than two operands.
2396 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2397 (get_vdef_before_scop): Handle also the case of default definitions.
2399 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2401 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2402 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2403 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2405 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2406 Joey Ye <joey.ye@intel.com>
2409 * cfgexpand.c (expand_stack_alignment): Don't update stack
2410 boundary nor check incoming stack boundary here.
2411 (gimple_expand_cfg): Update stack boundary and check incoming
2412 stack boundary here.
2414 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2416 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2418 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2420 PR rtl-optimization/38245
2421 * calls.c (expand_call): Add stack arguments to
2422 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2423 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2424 in regs and partially in memory or BLKmode arguments.
2425 (emit_library_call_value_1): Add stack arguments to
2426 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2427 ACCUMULATE_OUTGOING_ARGS).
2428 * dce.c: Include tm_p.h.
2429 (find_call_stack_args): New function.
2430 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2432 (mark_insn): Call find_call_stack_args for CALL_Ps.
2433 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2434 forwards. Allocate and free arg_stores bitmap if needed, pass it
2435 down to deletable_insn_p, don't mark stores set in arg_stores
2436 bitmap, clear the bitmap at the beginning of each bb.
2437 * Makefile.in (dce.o): Depend on $(TM_P_H).
2439 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2442 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2443 to make sure the insn is a conditional test (bug 22599). Reformat a
2446 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2449 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2450 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2451 (gloog): Do not call cleanup_tree_cfg.
2452 (graphite_transform_loops): Call cleanup_tree_cfg after all
2453 scops have been code generated.
2455 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2456 * doc/gty.texi (Invoking the garbage collector): Added new node
2457 and section documenting ggc_collect.
2459 2009-01-14 Richard Guenther <rguenther@suse.de>
2461 PR tree-optimization/38826
2463 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2464 initialization notes only if we actually emitted a warning.
2465 (intra_create_variable_infos): Add constraints for a result decl
2466 that is passed by hidden reference.
2467 (build_pred_graph): Mark all related variables non-direct on
2470 2009-01-14 Nick Clifton <nickc@redhat.com>
2472 * ira-conflicts.c: Include addresses.h for the definition of
2474 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2475 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2477 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2480 * Makefile.in (ira-lives.o): Add except.h.
2482 * ira-lives.c: Include except.h.
2483 (process_bb_node_lives): Process can_throw_internal.
2485 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2487 PR rtl-optimization/38774
2488 * combine.c (simplify_set): When undoing cc_use change, don't do
2489 PUT_CODE on the newly created comparison, but instead put back the
2492 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2494 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2495 values. Remove duplicate arm8 entry.
2497 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2499 PR tree-optimization/38786
2500 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2501 the SSA_NAME case of expand_scalar_variables_expr.
2502 Set the type of an expression to the type of its assign statement.
2503 (expand_scalar_variables_expr): Also gather the scalar computation
2504 used to index the memory access. Do not pass loop_p.
2505 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2506 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2507 the gimple_stmt_iterator where it inserts new code.
2509 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2510 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2512 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2514 * graphite.h (debug_value): Removed.
2515 * graphite.c (debug_value): Removed.
2517 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2519 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2520 ldrd/strd with two 32-bit instructions.
2522 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2524 * config/arm/arm.c (struct processors): Pass for speed down into
2525 cost helper functions.
2526 (const_ok_for_op): Handle COMPARE and inequality nodes.
2527 (arm_rtx_costs_1): Rewrite.
2528 (arm_size_rtx_costs): Update prototype.
2529 (arm_rtx_costs): Pass speed down to helper functions.
2530 (arm_slowmul_rtx_costs): Rework cost calculations.
2531 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2532 (arm_9e_rtx_costs): Likewise.
2534 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2536 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2537 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2538 (alpha_legitimize_address): Do not split local symbols wider than
2539 UNITS_PER_WORD into HIGH/LO_SUM parts.
2541 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2544 * gcc.c (process_command): Replace call to execvp with calls
2545 to pex_one and exit.
2547 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2550 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2551 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2552 variant for devices with 3-byte PC.
2553 (__tablejump_elpm__) : New.
2555 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2558 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2559 offsetof member-designator, handle it as `[0].'.
2561 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2563 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2564 function when not using named sections on targets with named sections
2565 if branch distance is less than 262132.
2567 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2569 * combine.c (combine_instructions): Recompute
2570 optimize_this_for_speed_p for each BB in the main combine loop.
2572 2009-01-12 Tomas Bily <tbily@suse.cz>
2575 * tree-loop-distribution.c (prop_phis): New function.
2576 (generate_builtin): Call prop_phis.
2577 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2579 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2581 PR tree-optimization/38807
2582 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2583 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2585 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2587 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2588 subreg of op0 to the original op0.
2590 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2592 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2594 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2597 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2598 starting with digits.
2600 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2603 * config/arm/arm.c (arm_is_long_call_p): Don't call
2604 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2606 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2608 * regrename.c (regrename_optimize): Fix dumping.
2609 (find_oldest_value_reg): Preserve REG_POINTER.
2610 (copy_hardreg_forward_1): Likewise.
2612 2009-01-09 Diego Novillo <dnovillo@google.com>
2614 * gimple.h (struct gimple_statement_base) <uid>: Document
2615 the restrictions on its use.
2617 (gimple_set_uid): Tidy.
2619 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2621 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2622 zero guard even if align_bytes != 0 and count is smaller than
2625 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2627 PR rtl-optimization/38495
2628 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2629 (add_range_and_copies_from_move_list): Print all added ranges.
2630 Add ranges to memory optimized destination.
2632 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2636 * config/i386/i386.c (override_options): Reject
2637 -mstringop-strategy=rep_8byte with -m32.
2638 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2639 to 1. Do count comparison against epilogue_size_needed at compile
2640 time even when count_exp was constant forced into register. For
2641 size_needed don't jump to epilogue, instead just avoid aligning
2642 and invoke the body algorithm. If need_zero_guard, add zero guard
2643 even if count is non-zero, but smaller than size_needed + number of
2644 bytes that could be stored for alignment.
2645 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2646 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2647 but smaller than size_needed + number of bytes that could be stored
2648 for alignment. Compare size_needed with epilogue_size_needed instead
2649 of desired_align - align, don't adjust size_needed, pass
2650 epilogue_size_needed to the epilogue expanders.
2653 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2655 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2657 * pa.c (last_address): Change to unsigned.
2658 (update_total_code_bytes): Change argument to unsigned. Don't
2659 check if insn addresses are set.
2660 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2661 addresses are not set.
2662 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2664 2009-01-09 Nick Clifton <nickc@redhat.com>
2666 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2667 DECL_DECLARED_INLINE_P.
2669 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2672 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2673 GET_MODE (op0) in operand_subword_force calls.
2676 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2677 fold_convert arg0 operands to TREE_TYPE (op0) first.
2679 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2681 * params.def (ira-max-conflict-table-size): Decrease default value
2684 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2686 PR tree-optimization/37031
2687 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2689 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2690 allocate it using gc instead of heap, use VEC_quick_push instead of
2692 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2693 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2694 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2695 allocated vector from heap allocated.
2696 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2697 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2698 vector only after perfect_loop_nest_depth call.
2700 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2701 Jan Sjodin <jan.sjodin@amd.com>
2703 PR tree-optimization/38559
2704 * graphite.c (debug_value, copy_constraint,
2705 swap_constraint_variables, scale_constraint_variable, ): New.
2706 (get_lower_bound, get_upper_bound): Removed.
2707 (graphite_trans_bb_strip_mine): Clean up this code that works
2708 only for constant number of iterations. Fully copy upper and
2709 lower bound constraints, not only the constant part of them.
2710 * graphite.h (debug_value): Declared.
2712 2009-01-08 Ira Rosen <irar@il.ibm.com>
2714 PR tree-optimization/37194
2715 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2716 Don't add the cost of cost model guard in prologue to scalar
2717 outside cost in case of known number of iterations.
2719 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2720 Alan Modra <amodra@bigpond.net.au>
2722 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2723 non-word-aligned REG+CONST addressing.
2725 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2728 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2729 free_after_compilation when outputting a thunk.
2730 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2731 Do not call free_after_compilation here.
2733 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2735 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2736 (ix86_valid_target_attribute_inner_p): Ditto.
2738 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2740 PR tree-optimization/38492
2741 PR tree-optimization/38498
2742 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2743 * tree-chrec.h (scev_is_linear_expression): Declared.
2744 * graphite.c (graphite_cannot_represent_loop_niter): New.
2745 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2746 (graphite_loop_normal_form): Use gcc_assert.
2747 (scan_tree_for_params): Use CASE_CONVERT.
2748 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2749 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2750 Use gcc_assert. Discard scops that contain unhandled cases.
2751 (build_scop_conditions): Return a boolean status for unhandled cases.
2752 (strip_mine_profitable_p): Print the loop number, not its depth.
2753 (is_interchange_valid): Pass the depth of the loop nest, don't
2754 recompute it wrongly.
2755 (graphite_trans_bb_block): Same.
2756 (graphite_trans_bb_block): Print tentative of loop blocking.
2757 (graphite_trans_scop_block): Do not print that the loop has been
2759 (graphite_transform_loops): Do not handle scops that contain condition
2762 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2764 AVX Programming Reference (December, 2008)
2765 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2766 (_mm256_stream_pd): Likewise.
2767 (_mm256_stream_ps): Likewise.
2769 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2770 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2771 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2772 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2773 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2774 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2775 (ix86_expand_special_args_builtin): Likewise.
2777 * config/i386/sse.md (AVXMODEDI): New.
2778 (avx_movnt<mode>): Likewise.
2779 (avx_movnt<mode>): Likewise.
2780 (<sse>_movnt<mode>): Remove AVX support.
2781 (sse2_movntv2di): Likewise.
2783 2009-01-07 Richard Guenther <rguenther@suse.de>
2786 * fold-const.c (extract_muldiv): Remove obsolete comment.
2787 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2788 to PLUS_EXPR canonicalization for the canonicalization.
2790 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2792 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2793 hosted cross-compilers generating less efficient code.
2795 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2797 * function.h (rtl_data): Add a dbr_scheduled_p field.
2798 * reorg.c (dbr_schedule): Set it.
2799 (gate_handle_delay_slots): Check it.
2800 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2801 (mips_reorg): Check flag_delayed_branch instead of
2802 mips_base_delayed_branch.
2803 (mips_override_options): Don't set mips_base_delayed_branch
2804 or flag_delayed_branch.
2806 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2808 PR rtl-optimization/38426.
2809 * ira.c (ira): Set current_function_is_leaf earlier.
2811 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2813 PR rtl-optimization/38722
2814 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2815 too early, only set a flag and modify after last possible
2818 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2821 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2822 * real.c (decimal_single_format): Correct values of emin and emax.
2823 (decimal_double_format): Ditto.
2824 (decimal_quad_format): Ditto.
2825 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2826 computation of DECnn_MIN and DECnn_MAX for corrected values of
2827 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2828 __DECnn_MIN__, and adjust its computation for the corrected value
2831 2009-01-06 Jan Hubicka <jh@suse.cz>
2834 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2836 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2838 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2839 Add Robert Clark to the list of testers.
2841 2009-01-06 Jan Hubicka <jh@suse.cz>
2842 Kai Tietz <kai.tietz@onevision.com>
2844 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2845 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2847 2009-01-06 Jan Hubicka <jh@suse.cz>
2848 Kai Tietz <kai.tietz@onevision.com>
2850 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2852 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2853 (ix86_nsaved_regs): Count only general purpose regs.
2854 (ix86_nsaved_sseregs): New.
2855 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2856 to 16 for w64; compute padding and size of sse reg save area.
2857 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2858 general purpose regs.
2859 (ix86_emit_save_sse_regs_using_mov): New.
2860 (ix86_expand_prologue): Save SSE regs if needed.
2861 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2862 (ix86_emit_restore_sse_regs_using_mov): New.
2863 (ix86_expand_epilogue): Save SSE regs if needed.
2865 2009-01-06 Jan Hubicka <jh@suse.cz>
2866 Kai Tietz <kai.tietz@onevision.com>
2868 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2869 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2870 functions when accumulate outgoing args is off.
2872 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2875 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2876 before using pseudos_have_intersected_live_ranges_p.
2878 * ira-int.h (ira_assert): Always define.
2880 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2882 AVX Programming Reference (December, 2008)
2883 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2884 (_mm256_permute2_pd): Likewise.
2885 (_mm_permute2_ps): Likewise.
2886 (_mm256_permute2_ps): Likewise.
2887 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2888 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2890 * config/i386/i386.c (ix86_builtins): Remove
2891 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2892 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2893 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2894 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2895 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2896 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2897 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2898 __builtin_ia32_vpermil2ps256.
2899 (ix86_init_mmx_sse_builtins): Updated.
2900 (ix86_expand_args_builtin): Likewise.
2902 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2904 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2905 long absolute calls when generating PA 2.0 code.
2907 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2909 PR rtl-optimization/38583
2910 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2912 * params.def (ira-max-conflict-table-size): New.
2914 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2916 * ira.h (ira_conflicts_p): New external definition.
2918 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2919 table. Report this. Return result of building.
2920 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2921 building conflict table.
2923 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2924 (ira_color): Use ira_conflicts_p.
2926 * global.c: Include ira.h.
2927 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2930 * Makefile.in (global.o): Add ira.h.
2932 * ira-build.c (mark_all_loops_for_removal,
2933 propagate_some_info_from_allocno): New.
2934 (remove_unnecessary_allocnos): Call
2935 propagate_some_info_from_allocno.
2936 (remove_low_level_allocnos): New.
2937 (remove_unnecessary_regions): Add parameter. Call
2938 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2939 parameter to remove_unnecessary_regions.
2940 (ira_build): Remove all regions but root if the conflict table was
2941 not built. Update conflict hard regs for allocnos crossing calls.
2943 * ira.c (ira_conflicts_p): New global.
2944 (ira): Define and use ira_conflicts_p.
2946 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2947 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2948 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2950 2009-01-06 Ben Elliston <bje@au.ibm.com>
2952 * gengtype-lex.l (YY_NO_INPUT): Define.
2954 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2957 * c-common.c (handle_vector_size_attribute): Also reject
2960 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2962 PR tree-optimization/38492
2963 * graphite.c (rename_map_elt, debug_rename_elt,
2964 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2965 rename_map_elt_info, eq_rename_map_elts,
2966 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2967 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2968 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2969 (sese_build_livein_liveouts): New.
2970 (new_sese, free_sese): New.
2971 (new_scop): Call new_sese.
2972 (free_scop): Call free_sese.
2973 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2974 (register_old_new_names): Renamed register_old_and_new_names.
2975 (register_scop_liveout_renames, add_loop_exit_phis,
2976 insert_loop_close_phis, struct igp,
2977 default_liveout_before_guard, add_guard_exit_phis,
2978 insert_guard_phis, copy_renames): New.
2979 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2980 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2981 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2982 (scop_adjust_phis_for_liveouts): New.
2983 (gloog): Call scop_adjust_phis_for_liveouts.
2985 * graphite.h (struct sese): Documented. Added fields liveout,
2987 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2988 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2989 (struct scop): Added field liveout_renames.
2990 (SCOP_LIVEOUT_RENAMES): New.
2992 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2994 PR tree-optimization/38510
2995 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2996 (translate_clast): Call recompute_all_dominators before
2998 (gloog): Call recompute_all_dominators before graphite_verify.
3000 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3001 Jan Sjodin <jan.sjodin@amd.com>
3003 PR tree-optimization/38500
3004 * graphite.c (create_sese_edges): Call fix_loop_structure after
3007 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3009 * config.gcc: Add m32r*-*-rtems*.
3010 * config/m32r/rtems.h: New file.
3012 2009-01-05 Ben Elliston <bje@au.ibm.com>
3014 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3015 (.po.pox): Likewise.
3016 (po/gcc.pot): Likewise.
3018 2009-01-04 David S. Miller <davem@davemloft.net>
3020 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3021 (STARTING_FRAME_OFFSET): Always set to zero.
3023 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3025 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3026 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3027 fixed-point types, and vectors of the same.
3029 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3031 * config/mips/sync.md (*mb_barrier): Rename to...
3032 (*memory_barrier): ...this.
3034 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3036 * doc/extend.texi (Function Attributes): Move @cindex after @item
3037 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3038 and put in alphabetical order. Fix 'target' name and put in order.
3039 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3042 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3044 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3045 (memory_barrier): Expand as unspec instead of unspec_volatile.
3046 Remove mem:BLK from insn operands. Use Pmode scratch register.
3047 (*memory_barrier): Define as unspec instead of unspec_volatile.
3048 Use (match_dup 0) as input operand.
3050 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3051 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3052 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3053 scratch register. Remove operand 1.
3054 (*stbar): Define as unspec instead of unspec_volatile.
3055 Use (match_dup 0) as input operand, remove (const_int 8).
3056 (*membar): Define as unspec instead of unspec_volatile.
3057 Use (match_dup 0) as input operand, remove input operand 2.
3059 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3060 (memory_barrier): Expand as unspec instead of unspec_volatile.
3061 Remove mem:BLK from insn operands. Use Pmode scratch register.
3062 (*memory_barrier): Define as unspec instead of unspec_volatile.
3063 Use (match_dup 0) as input operand.
3065 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3066 Remove mem:BLK from insn operands. Use Pmode scratch register.
3067 Set volatile flag on operand 0.
3068 (*memory_barrier): New insn pattern.
3070 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3072 (*memory_barrier): Use (match_dup 0) as input operand.
3074 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3075 Remove mem:BLK from insn operands. Use Pmode scratch register.
3076 Set volatile flag on operand 0.
3077 (*mb_internal): New insn pattern.
3079 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3081 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3084 * function.c (struct temp_slot): Move to the section of the file
3085 that deals with temp slots. Remove field 'address'.
3086 (temp_slot_address_table): New hash table of address -> temp slot.
3087 (struct temp_slot_address_entry): New struct, items for the table.
3088 (temp_slot_address_compute_hash, temp_slot_address_hash,
3089 temp_slot_address_eq, insert_temp_slot_address): Support functions
3091 (find_temp_slot_from_address): Rewrite to use the new hash table.
3092 (remove_unused_temp_slot_addresses): Remove addresses of temp
3093 slots that have been made available.
3094 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3095 worker function for remove_unused_temp_slot_addresses.
3096 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3097 Add the temp slot address to the address -> temp slot map.
3098 (update_temp_slot_address): Update via insert_temp_slot_address.
3099 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3100 (pop_temp_slots): Likewise.
3101 (init_temp_slots): Allocate the address -> temp slot map, or empty
3102 the map if it is already allocated.
3103 (prepare_function_start): Initialize temp slot processing.
3105 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3108 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3109 Calculate the size of all stack vars assuming no packing of stack
3110 vars will happen, replacing a quadratic algorithm with a linear one.
3112 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3115 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3118 2009-01-03 Diego Novillo <dnovillo@google.com>
3120 * doc/contrib.texi: Update contributions.
3122 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3125 * builtins.c (fold_builtin_memory_op): Give up if either operand
3126 is volatile. Set srctype or desttype to non-qualified version
3130 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3133 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3135 PR rtl-optimization/35805
3136 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3137 problem if fast dce is able to remove any instructions.
3138 * dce.c (dce_process_block): Fix dump message.
3140 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3143 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3145 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3148 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3149 * tree-pretty-print.c (op_code_prio): New function.
3150 (op_prio): No longer static. Use op_code_prio.
3151 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3152 Use op_prio and op_code_prio to determine if () should be
3153 printed around operand(s) or not.
3155 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3156 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3157 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3158 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3159 pp_character instead of pp_string for single letter printing.
3161 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3163 * doc/extend.texi: Fix '#pragma GCC option' typo.
3165 2009-01-02 Richard Guenther <rguenther@suse.de>
3167 * doc/install.texi (--enable-checking): Mention different
3169 (--enable-stage1-checking): Document.
3171 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3174 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3175 case to be an error.
3177 2009-01-02 Ben Elliston <bje@au.ibm.com>
3179 * config/fp-bit.h (pack_d): Constify argument.
3180 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3181 (isnan): Constify argument.
3185 (_fpadd_parts): Constify return type.
3186 (_fpmul_parts): Likewise.
3187 (_fpdiv_parts): Likewise.
3189 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3192 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3193 warn about overwriting initializer with side-effects or
3194 -Woverride-init if !IMPLICIT.
3195 (output_init_element): Likewise. Pass IMPLICIT down to
3197 (process_init_element): Add IMPLICIT argument. Pass it down
3198 to output_init_element.
3199 (push_init_element, pop_init_level, set_designator): Adjust
3200 process_init_element callers.
3201 (set_nonincremental_init, set_nonincremental_init_from_string):
3202 Adjust add_pending_init callers.
3203 (output_pending_init_elements): Adjust output_init_element callers.
3204 * c-tree.h (process_init_element): Adjust prototype.
3205 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3206 process_init_element callers.