1 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
5 minimum or maximum value.
7 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
9 * reginfo.c (globalize_reg): Recompute derived reg sets.
11 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
14 * libgcc2.c (mprotect): Do not use signed arguments for
15 VirtualProtect, use DWORD arguments. Also fix the 'may
16 be used uninitialized' warning for the np variable.
18 2009-03-19 Jakub Jelinek <jakub@redhat.com>
21 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
22 functions using regparm calling conventions when not optimizing.
23 (ix86_function_sseregparm): Similarly for sseregparm calling
26 2009-03-19 Li Feng <nemokingdom@gmail.com>
29 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
30 dependence if the first conflict is after niter iterations.
32 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
35 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
36 functions with dynamic stack-pointer adjustments.
38 2009-03-19 Ben Elliston <bje@au.ibm.com>
40 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
41 option; change to -msdata=data.
43 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
45 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
48 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
51 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
53 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
55 * doc/invoke.texi (Code Gen Options): Expand discussion of
58 2009-03-18 Jakub Jelinek <jakub@redhat.com>
60 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
61 * matrix-reorg.c (struct matrix_info): Likewise.
62 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
63 * rtl.h (struct mem_attrs): Likewise.
64 * df.h (struct df): Likewise.
65 * tree-data-ref.h (struct data_dependence_relation): Likewise.
66 * ira-int.h (struct ira_allocno): Likewise.
67 * df-scan.c (struct df_collection_rec): Likewise.
68 * ira.c (struct equivalence): Likewise.
69 * function.c (struct temp_slot): Likewise.
70 * cfgloop.h (struct loop): Likewise.
73 * function.c (use_register_for_decl): When not optimizing, disregard
74 register keyword for variables with types containing methods.
76 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
79 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
80 (is_simple_operand): Call contains_component_ref_p before calling data
81 reference analysis that would fail on COMPONENT_REFs.
83 * tree-vrp.c (search_for_addr_array): Fix formatting.
85 2009-03-18 Richard Guenther <rguenther@suse.de>
87 * tree-vect-transform.c (vect_loop_versioning): Fold the
88 generated comparisons.
89 * tree-vectorizer.c (set_prologue_iterations): Likewise.
90 (slpeel_tree_peel_loop_to_edge): Likewise.
92 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
95 * opts.c (print_specific_help): In addition to `undocumented',
96 accept `separate' and `joined' flags if passed alone. Describe
97 output by the first matched one of those.
98 (common_handle_option): Skip over empty strings.
99 * gcc.c (display_help): Fix help string for `--help='.
100 * doc/invoke.texi (Option Summary, Overall Options): With
101 `--help=', classes and qualifiers can both be repeated, but
102 only the latter can be negated. One should not pass only
103 negated qualifiers. Fix markup and examples.
106 2008-10-14 Jakub Jelinek <jakub@redhat.com>
108 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
111 2009-03-17 Jing Yu <jingyu@google.com>
114 * function.h (struct rtl_data): Move is_thunk from here...
115 (struct function): ...to here.
116 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
117 * varasm.c (assemble_start_function): Change is_thunk from crtl to
119 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
121 (alpha_does_function_need_gp, alpha_start_function): Likewise.
122 (alpha_output_function_end_prologue): Likewise.
123 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
124 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
125 (rs6000_output_function_epilogue): Likewise.
126 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
128 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
131 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
132 from different units in a single alternative.
133 (*truncdfsf_i387): Ditto.
134 (*truncxfsf2_mixed): Ditto.
135 (*truncxfdf2_mixed): Ditto.
137 2009-03-17 Jakub Jelinek <jakub@redhat.com>
139 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
140 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
143 * tree-ssa-live.c (remove_unused_locals): Don't remove local
144 unused non-artificial variables when not optimizing.
147 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
148 DW_TAG_imported_module even if decl is IMPORTED_DECL with
149 NAMESPACE_DECL in its DECL_INITIAL.
152 * optabs.c (set_user_assembler_libfunc): New function.
153 * expr.h (set_user_assembler_libfunc): New prototype.
154 * c-common.c: Include libfuncs.h.
155 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
156 for memcmp, memset, memcpy, memmove and abort.
157 * Makefile.in (c-common.o): Depend on libfuncs.h.
160 * dwarf2out.c (gen_inlined_enumeration_type_die,
161 gen_inlined_structure_type_die, gen_inlined_union_type_die,
162 gen_tagged_type_instantiation_die): Removed.
163 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
166 2009-03-17 Janis Johnson <janis187@us.ibm.com>
169 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
171 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
172 (check-parallel-%): Ditto.
173 (check-consistency): Ditto.
175 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
177 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
178 local variable rhs by NULL_TREE.
180 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
183 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
185 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
188 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
190 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
193 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
194 for ms->sysv ABI calls only in 64bit mode.
196 * config/i386/i386.md (untyped_call): Support 32bit.
198 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
200 * doc/extend.texi: Replace x86_65 with x86_64.
202 2009-03-16 Jakub Jelinek <jakub@redhat.com>
204 PR tree-optimization/39455
205 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
206 mismatches for POINTER_TYPE_P (type).
207 (number_of_iterations_le): Likewise.
209 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
211 * config/picochip/picochip.c: Removed profiling support.
212 * config/picochip/picochip.md: Removed profiling instruction.
213 * config/picochip/picochip.h: Removed profiling builtin.
215 2009-03-16 Joseph Myers <joseph@codesourcery.com>
217 * doc/install.texi (--with-host-libstdcxx): Document.
219 2009-03-14 Anatoly Sokolov <aesok@post.ru>
222 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
223 generate a warning if the function name does not begin with
224 "__vector" and the function has either the 'signal' or 'interrupt'
225 attribute, from here to ...
226 (avr_declare_function_name): ...here. New function.
227 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
228 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
230 2009-03-14 Jakub Jelinek <jakub@redhat.com>
233 * cse.c (fold_rtx): Don't modify original const_arg1 when
234 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
235 separate variable instead.
236 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
237 from out of range shift counts.
238 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
240 2008-03-13 Catherine Moore <clm@codesourcery.com>
242 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
243 diagnostic.h with $(DIAGNOSTIC_H).
245 2008-03-12 Jakub Jelinek <jakub@redhat.com>
248 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
250 * config/i386/sync.md (sync_compare_and_swap<mode>,
251 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
252 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
254 (sync_double_compare_and_swapdi_pic,
255 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
256 cmpxchg8b_pic_memory_operand instead of just memory_operand.
258 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
261 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
263 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
266 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
267 (avx_addsubv4df3): Likewise.
268 (*avx_addsubv4sf3): Likewise.
269 (sse3_addsubv4sf3): Likewise.
271 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
274 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
276 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
279 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
280 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
281 registers for allocnos created from user-defined variables.
283 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
286 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
287 of non-integer mode as well.
289 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
291 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
292 for functions for which the parameter types are unknown.
294 2009-03-11 Jakub Jelinek <jakub@redhat.com>
297 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
298 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
299 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
300 * config/i386/i386.c (ix86_local_alignment): For
301 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
302 long long variables on the stack to avoid dynamic realignment.
303 Allow the first argument to be a decl rather than type.
304 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
306 2009-03-11 Nick Clifton <nickc@redhat.com>
309 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
311 Add description to mno-lsim option.
312 * config/mcore/mcore.h: Remove comment about deprecated m4align
314 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
315 * doc/invoke.texi: Add description of mno-lsim and
316 mstack-increment options.
318 * config/fr30/fr30.opt: Document the -mno-lsim option.
319 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
320 and -mno-lsim options.
322 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
324 * fold-const.c (fold_comparison): Only call fold_inf_compare
325 if the mode supports infinities.
327 2009-03-11 Jason Merrill <jason@redhat.com>
330 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
331 end already did. Notice GIMPLE_CALL modifications of the result.
332 Don't copy debug information from an ignored decl or a decl from
335 2009-03-10 Richard Guenther <rguenther@suse.de>
336 Nathan Froyd <froydnj@codesourcery.com>
339 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
340 (__divMODE3): Likewise.
342 2009-03-09 Jakub Jelinek <jakub@redhat.com>
344 PR tree-optimization/39394
345 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
346 DECL_SIZE_UNIT of variable length FIELD_DECLs.
348 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
350 * recog.c (verfiy_changes): Disallow renaming of hard regs in
351 inline asms for register asm ("") declarations.
353 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
355 * fold-const.c (fold_unary): Fix comment.
357 2009-03-07 Jan Hubicka <jh@suse.cz>
360 * tree-inline.c (setup_one_parameter): Do replacement of const argument
361 by constant in SSA form.
363 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
366 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
367 determine alignment passed to assign_stack_local.
368 (assign_parms_unsplit_complex): Likewise.
369 * except.c (sjlj_build_landing_pads): Likewise.
371 2009-03-06 Jakub Jelinek <jakub@redhat.com>
374 * tree-flow.h (add_referenced_var): Return bool instead of void.
375 * tree-dfa.c (add_referenced_var): Return result of
376 referenced_var_check_and_insert call.
377 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
378 of referenced_var_check_and_insert.
381 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
382 (gen_variable_die): Emit DW_AT_location on abstract static variable's
383 DIE, don't emit it if abstract origin already has it.
384 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
385 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
387 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
389 * genpreds.c: (needs_variable): Fix parentheses at variable name
391 (write_tm_constrs_h): Indent generated code.
393 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
395 * doc/extend.texi (Function Attributes): Add documentation
398 2009-03-06 Jakub Jelinek <jakub@redhat.com>
401 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
402 take locus from its DECL_SOURCE_LOCATION instead of input_location.
404 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
406 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
409 2009-03-05 Jakub Jelinek <jakub@redhat.com>
412 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
413 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
415 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
417 * config/i386/i386.md (R8_REG, R9_REG): New constants.
418 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
419 constants instead of magic numbers.
420 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
422 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
423 (x86_64_ms_abi_int_parameter_registers): Ditto.
424 (x86_64_int_return_registers): Ditto.
425 (ix86_maybe_switch_abi): Ditto.
426 (ix86_expand_call): Ditto for clobbered_registers array.
427 (ix86_hard_regno_mode_ok): Ditto.
428 (x86_extended_QIreg_mentioned_p): Ditto.
430 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
432 PR tree-optimization/39349
433 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
435 * combine.c (gen_lowpart_for_combine): Use omode when generating
438 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
440 PR rtl-optimization/39235
441 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
443 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
445 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
447 2009-03-04 Richard Guenther <rguenther@suse.de>
449 PR tree-optimization/39362
450 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
451 that occur in abnormal PHIs should be varying.
453 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
455 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
457 (simple_iv): Take loop as an argument instead of statement.
458 * tree-scalar-evolution.h (simple_iv): Declaration changed.
459 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
461 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
463 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
464 * matrix-reorg.c (analyze_transpose): Ditto.
465 * tree-data-ref.c (dr_analyze_innermost): Ditto.
466 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
467 * tree-predcom.c (ref_at_iteration): Ditto.
468 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
470 2009-03-04 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/39358
473 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
474 escaped_id and callused_id.
475 (solve_graph): Likewise.
477 2009-03-04 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/39339
480 * tree-sra.c (try_instantiate_multiple_fields): Make it
481 no longer ICE on the above.
483 2009-03-03 Joseph Myers <joseph@codesourcery.com>
485 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
486 that fits within Pmode.
488 2009-03-03 Steve Ellcey <sje@cup.hp.com>
491 * tm.texi (LIBCALL_VALUE): Update description.
493 2009-03-03 Steve Ellcey <sje@cup.hp.com>
496 * doc/extend.texi (section): Update description.
498 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
501 * tree-inline.c (remapped_type): New.
502 (can_be_nonlocal): Call remapped_type instead of remap_type.
504 2009-03-03 Jakub Jelinek <jakub@redhat.com>
507 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
508 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
510 2009-03-03 Richard Guenther <rguenther@suse.de>
513 * tree.c (tree_nonartificial_location): New function.
514 * tree.h (tree_nonartificial_location): Declare.
515 * builtins.c (expand_builtin_memory_chk): Provide location
516 of the call location for artificial function pieces.
517 (maybe_emit_chk_warning): Likewise.
518 (maybe_emit_sprintf_chk_warning): Likewise.
519 (maybe_emit_free_warning): Likewise.
520 * expr.c (expand_expr_real_1): Likewise.
522 2009-03-03 Jakub Jelinek <jakub@redhat.com>
524 PR tree-optimization/39343
525 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
526 COMPONENT_REF t has ARRAY_TYPE.
528 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
531 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
532 when the type precision of the induction variable should be
533 larger than the type precision of nit.
534 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
535 * graphite.c (graphite_loop_normal_form): Same.
536 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
538 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
540 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
541 (*call_1_rex64_ms_sysv): Use named constants instead of magic
542 numbers to describe clobbered registers.
543 (*call_value_0_rex64_ms_sysv): Ditto.
544 * config/i386/mmx.md (mmx_emms): Ditto.
547 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
549 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
552 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
554 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
555 (spu_section_type_flags): New function.
557 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
559 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
560 reg_class_contents of FLOAT_REGS into a temporary.
562 2009-03-02 Richard Guenther <rguenther@suse.de>
563 Ira Rosen <irar@il.ibm.com>
565 PR tree-optimization/39318
566 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
567 information to the vectorized statement.
569 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
571 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
572 variable. Use defined names instead of magic constants for REX SSE
575 2009-03-01 Richard Guenther <rguenther@suse.de>
577 PR tree-optimization/39331
578 * omp-low.c (lower_send_shared_vars): Do not receive new
579 values for the reference of DECL_BY_REFERENCE parms or results.
581 2009-03-01 Jan Hubicka <jh@suse.cz>
584 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
585 BLOCK_NONLOCALIZED_VAR): New macros.
586 (tree_block): Add nonlocalized_vars.
587 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
588 gen_decl_die): Add origin argument. Allow generation of die with
590 (gen_member_die, gen_type_die_with_usage, force_decl_die,
591 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
593 (gen_block_die): Fix checking for unused blocks.
594 (process_scope_var): Break out from .... ; work with origins only.
595 (decls_for_scope) ... here; process nonlocalized list.
596 (dwarf2out_ignore_block): Look for nonlocalized vars.
597 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
599 (dump_scope_block): Dump them.
600 * tree-inline.c (remap_decls): Handle nonlocalized vars.
601 (remap_block): Likewise.
602 (can_be_nonlocal): New predicate.
603 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
605 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
607 * configure: Regenerate.
609 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
611 * optc-gen.awk: No need to duplicate option flags twice.
612 Reuse help texts for duplicate options which do not have any.
614 * gcc.c (display_help): Document --version.
616 * gcc.c (main): If print_help_list and verbose_flag, ensure
617 driver output comes before subprocess output.
619 * optc-gen.awk: Assign all remaining fields to help string,
620 space-separated, for multi-line help in *.opt.
622 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
623 -Wno-pedantic-ms-format is for MinGW targets only.
625 * doc/options.texi (Option file format): Fix bad indentation,
626 restoring dropped sentence.
628 2009-02-28 Jan Hubicka <jh@suse.cz>
630 * tree-inline.c (tree_function_versioning): Output debug info.
632 2009-02-28 Jan Hubicka <jh@suse.cz>
635 * tree-inline.c (setup_one_parameter): Do not copy propagate
636 arguments when not optimizing.
638 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
641 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
642 (avx_addsubv4df3): Likewise.
643 (*avx_addsubv4sf3): Likewise.
644 (sse3_addsubv4sf3): Likewise.
645 (*avx_addsubv2df3): Likewise.
646 (sse3_addsubv2df3): Likewise.
647 (avx_unpckhps256): Correct item selectors.
648 (avx_unpcklps256): Likewise.
649 (avx_unpckhpd256): Likewise.
650 (avx_unpcklpd256): Likewise.
652 2009-02-28 Jan Hubicka <jh@suse.cz>
654 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
656 (copy_arguments_for_versioning): If var is declared don't declare it.
657 (tree_function_versioning): First setup substitutions and then copy
660 2009-02-27 Jan Hubicka <jh@suse.cz>
663 * cgraph.h (varpool_output_debug_info): Remove.
664 * cgraphunit.c (varpool_output_debug_info): Remove.
665 * dwarf2out.c (deferred_locations_struct): New struct
666 (deferred_locations): New type.
667 (deferred_locations_list): New static var.
668 (deffer_location): New function.
669 (gen_variable_die): Use it.
670 (decls_for_scope): Output info on local static vars.
671 (dwarf2out_finish): Process deferred locations.
672 * varpool.c (varpool_output_debug_info): Remove.
674 2009-02-27 Jan Hubicka <jh@suse.cz>
677 * tree.h (TREE_PROTECTED): Fix comment.
678 (BLOCK_HANDLER_BLOCK): Remove.
679 (struct tree_block): Remove handler_block add body_block.
680 (inlined_function_outer_scope_p): New.
681 (is_body_block): Remove.
682 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
683 * dwarf2out.c (is_inlined_entry_point): Remove.
684 (add_high_low_attributes): Use inlined_function_outer_scope_p.
685 (gen_block_die): Use is_inlined_entry_point check. Remove body block
687 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
688 * gimplify.c (gimplify_expr): Gimplify body blocks.
689 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
690 block with multiple subblocks.
691 (dump_scope_block): Prettier output; dump more flags and info.
692 (dump_scope_blocks): New.
693 (remove_unused_locals): Use dump_scope_blocks.
694 * tree-flow.h (dump_scope_blocks): Declare.
695 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
696 * stmt.c (is_body_block): Remove.
697 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
698 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
700 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
703 * graphite.c (graphite_loop_normal_form): Do not call
704 number_of_iterations_exit from a gcc_assert.
706 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
708 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
709 jumps if COND is NULL.
710 (find_cond_jump): New function.
711 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
712 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
714 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
716 * config/alpha/alpha.h (alpha_expand_mov): Return false if
717 force_const_mem returns NULL_RTX.
719 2009-02-26 Jan Hubicka <jh@suse.cz>
722 * cgraph.h (varpool_output_debug_info): Remove.
723 * cgraphunit.c (varpool_output_debug_info): Remove.
724 * dwarf2out.c (deferred_locations_struct): New struct
725 (deferred_locations): New type.
726 (deferred_locations_list): New static var.
727 (deffer_location): New function.
728 (gen_variable_die): Use it.
729 (decls_for_scope): Output info on local static vars.
730 (dwarf2out_finish): Process deferred locations.
731 * varpool.c (varpool_output_debug_info): Remove.
733 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
735 PR rtl-optimization/39241
736 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
737 to subreg_offset_representable_p.
739 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
741 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
742 execute function prototype. Get f and nregs from max_reg_num
743 and get_insns. Remove the first backward pass as it's dead,
744 guard the forward pass by flag_expensive_optimizations.
745 (rest_of_handle_regmove): Delete.
746 (pass_regmove): Replace it with regmove_optimize.
748 2009-02-25 Martin Jambor <mjambor@suse.cz>
750 PR tree-optimization/39259
751 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
752 calls_alloca function flags.
753 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
756 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
758 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
759 flags_set_1_rtx, flags_set_1_set): Delete.
760 (regmove_optimize): Do not call mark_flags_life_zones.
762 2009-02-24 Julian Brown <julian@codesourcery.com>
765 * config/arm/arm.c (require_pic_register): Only set
766 cfun->machine->pic_reg once per function.
768 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
770 * doc/invoke.texi (Link Options): Document an easier way to pass
771 options that take arguments to the GNU linker using -Xlinker and -Wl.
773 2009-02-24 Steve Ellcey <sje@cup.hp.com>
776 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
778 2009-02-24 Richard Guenther <rguenther@suse.de>
781 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
783 2009-02-24 Richard Guenther <rguenther@suse.de>
784 Zdenek Dvorak <ook@ucw.cz>
786 PR tree-optimization/39233
787 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
788 from converting them to a generic type.
790 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
792 PR tree-optimization/39260
793 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
794 contains a condition with a real type.
795 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
797 2009-02-23 Jason Merrill <jason@redhat.com>
800 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
801 narrowing_initializer_constant_valid_p.
802 (narrowing_initializer_constant_valid_p): Don't return
803 null_pointer_node for adding a pointer to itself.
805 2009-02-23 Jan Hubicka <jh@suse.cz>
808 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
811 2009-02-23 Jan Hubicka <jh@suse.cz>
813 PR tree-optimization/37709
814 * tree.c (block_ultimate_origin): Move here from dwarf2out.
815 * tree.h (block_ultimate_origin): Declare.
816 * dwarf2out.c (block_ultimate_origin): Move to tree.c
817 * tree-ssa-live.c (remove_unused_scope_block_p):
818 Eliminate blocks containig no instructions nor live variables nor
820 (dump_scope_block): New function.
821 (remove_unused_locals): Enable removal of dead blocks by default;
822 enable dumping at TDF_DETAILS.
824 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
826 * config/i386/i386.c (classify_argument): Don't allow COImode
828 (function_arg_advance_32): Don't allow OImode.
829 (function_arg_32): Likewise.
830 (function_value_32): Likewise.
831 (return_in_memory_32): Likewise.
832 (function_arg_64): Remove OImode comment.
834 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
837 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
838 ix86_expand_vector_set for V4DImode in 64bit mode only.
839 (ix86_expand_vector_init_one_var): Likewise.
841 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
843 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
845 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
848 * loop-iv.c: Revert last change.
849 * emit-rtl.c: Likewise.
851 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
854 * config/i386/i386.c (type_natural_mode): Remove an extra
855 space in the warning message.
856 (function_value_32): Handle 32-byte vector modes.
857 (return_in_memory_32): Likewise.
859 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
861 * loop-iv.c (truncate_value): New function.
862 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
864 (lowpart_subreg): Move to...
865 * emit-rtl.c: ...here.
867 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
869 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
870 accidental and undocumented change at revision 140860.
872 2009-02-21 Joseph Myers <joseph@codesourcery.com>
874 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
875 take gimple_seq * arguments.
876 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
877 types_compatible_p langhook.
879 2009-02-20 Mark Mitchell <mark@codesourcery.com>
880 Joseph Myers <joseph@codesourcery.com>
882 * config/arm/arm.c (arm_builtin_va_list): New function.
883 (arm_expand_builtin_va_start): Likewise.
884 (arm_gimplify_va_arg_expr): Likewise.
885 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
886 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
887 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
888 (va_list_type): New variable.
889 (arm_mangle_type): Mangle va_list_type appropriately.
891 2009-02-20 Jakub Jelinek <jakub@redhat.com>
894 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
895 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
896 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
897 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
898 parameter to 1000 for -O1 by default.
899 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
901 * loop-invariant.c: Include params.h.
902 (move_loop_invariants): Don't call move_single_loop_invariants on
905 2009-02-20 Jaka Mocnik <jaka@xlab.si>
907 * calls.c (emit_library_call_value_1): Use slot_offset instead of
908 offset when calculating bounds for indexing stack_usage_map. Fixes
909 a buffer overflow with certain target setups.
911 2009-02-20 Jakub Jelinek <jakub@redhat.com>
914 * calls.c (expand_call): Clear try_tail_call if caller and callee
915 disagree in promotion of function return value.
917 2009-02-19 Jakub Jelinek <jakub@redhat.com>
920 * c-common.c (c_determine_visibility): If visibility changed and
921 DECL_RTL has been already set, call make_decl_rtl to update symbol
924 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
927 * varasm.c (assemble_variable): Don't check DECL_NAME when
928 globalizing a variable.
930 2009-02-19 Joseph Myers <joseph@codesourcery.com>
933 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
934 expression before any __builtin_trap call.
935 * c-typeck.c (build_function_call): Convert and check function
936 arguments before generating a call to a trap. Evaluate the
937 function arguments before the trap.
939 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
942 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
943 (UNSPEC_FXAM_MEM): New unspec.
944 (fxam<mode>2_i387_with_temp): New insn and split pattern.
945 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
946 memory using fxam<mode>2_i387_with_temp to remove excess precision.
948 2009-02-19 Richard Guenther <rguenther@suse.de>
950 PR tree-optimization/39207
951 PR tree-optimization/39074
952 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
953 storedanything_tree): New.
954 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
955 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
956 (build_succ_graph): Add edges from STOREDANYTHING to all
958 (init_base_vars): Initialize STOREDANYTHING.
959 (compute_points_to_sets): Free substitution info after
960 building the succ graph.
961 (ipa_pta_execute): Likewise.
963 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
965 (do_ds_constraint): Do not add to special var or non-pointer
967 (type_could_have_pointers): Split out from ...
968 (could_have_pointers): ... here. For arrays use the element type.
969 (create_variable_info_for): Initialize may_have_pointers.
970 (new_var_info): Likewise.
971 (handle_lhs_call): Make the HEAP variable unknown-sized.
972 (intra_create_variable_infos): Use a type with pointers for
973 PARM_NOALIAS, make it unknown-sized.
975 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
978 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
980 2009-02-18 Jason Merrill <jason@redhat.com>
983 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
984 value if DECL_EXTERNAL.
985 * tree-sra.c (sra_walk_gimple_assign): Likewise.
986 * target.h (gcc_target::binds_local_p): Clarify "module".
987 * tree.h (TREE_PUBLIC): Clarify "module".
989 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
992 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
993 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
995 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
998 * c.opt (Wabi): Support C and ObjC.
1001 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1003 * config/i386/i386.c (classify_argument): Warn once about the ABI
1004 change when passing union with long double.
1006 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1008 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1011 * c-parser.c (c_parser_compound_statement): Always enter and leave
1014 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1017 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1019 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1021 PR tree-optimization/36922
1022 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1023 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1026 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1028 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1031 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1033 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1035 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1037 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1040 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1041 Richard Sandiford <rdsandiford@googlemail.com>
1043 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1044 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1045 (loongson_biadd): ...this.
1047 2009-02-17 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/39202
1050 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1051 a var make sure to follow existing collapses.
1053 2009-02-17 Richard Guenther <rguenther@suse.de>
1056 * langhooks.c (lhd_print_error_function): Check for NULL block.
1058 2009-02-17 Richard Guenther <rguenther@suse.de>
1060 PR tree-optimization/39204
1061 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1064 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1066 * config/soft-fp/double.h: Update from glibc CVS.
1068 2009-02-17 Richard Guenther <rguenther@suse.de>
1070 PR tree-optimization/39207
1071 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1072 strict-aliasing warnings for pointers pointing to NULL.
1074 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1077 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1078 skipping until next close brace.
1080 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1083 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1084 to function argument boundary.
1086 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1088 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1089 in the lea_add. Reload eventually constraints it properly.
1090 * config/picochip/constraints.md : Remove the target constraint
1091 "b", since it is not needed anymore.
1093 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1095 * gthr-dce.h: Uglify function parameter and local variable names.
1096 * gthr-gnat.h: Likewise.
1097 * gthr-mipssde.h: Likewise.
1098 * gthr-nks.h: Likewise.
1099 * gthr-posix95.h: Likewise.
1100 * gthr-posix.h: Likewise.
1101 * gthr-rtems.h: Likewise.
1102 * gthr-single.h: Likewise.
1103 * gthr-solaris.h: Likewise.
1104 * gthr-tpf.h: Likewise.
1105 * gthr-vxworks.h: Likewise.
1106 * gthr-win32.h: Likewise.
1108 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1111 * config/i386/i386.md: Restrict the new peephole2 to move
1112 between MMX/SSE registers.
1114 2009-02-15 Richard Guenther <rguenther@suse.de>
1117 2009-02-13 Richard Guenther <rguenther@suse.de>
1119 * configure.ac: Enable LFS.
1120 * configure: Re-generate.
1121 * config.in: Likewise.
1123 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1125 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1126 spu_srqwbyte, spu_srqwbytebc): Define.
1127 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1128 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1129 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1130 "shrqby_<mode>"): New insn-and-split patterns.
1131 * config/spu/spu.c (expand_builtin_args): Determine and return
1132 number of operands using spu_builtin_description data.
1133 (spu_expand_builtin_1): Use it.
1135 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1138 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1141 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1144 * config/i386/i386.c (override_options): Correct warning
1145 messages for -malign-loops, -malign-jumps and -malign-functions.
1147 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1150 * config/i386/i386.md: Restrict the new peephole2 to move
1151 between the general purpose registers.
1153 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1156 * config/i386/i386.c (type_natural_mode): Add a new argument.
1157 Return the original mode and warn ABI change if vector size is 32byte.
1158 (function_arg_advance): Updated.
1159 (function_arg): Likewise.
1160 (ix86_function_value): Likewise.
1161 (ix86_return_in_memory): Likewise.
1162 (ix86_sol10_return_in_memory): Likewise.
1163 (ix86_gimplify_va_arg): Likewise.
1164 (function_arg_32): Don't warn ABX ABI change here.
1165 (function_arg_64): Likewise.
1167 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1169 * loop-iv.c (implies_p): In the final case, test that operands 0
1170 of the two comparisons match.
1172 * config/bfin/bfin.c (find_prev_insn_start): New function.
1173 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1174 (find_next_insn_start): Move.
1176 2009-02-13 Richard Guenther <rguenther@suse.de>
1178 * configure.ac: Enable LFS.
1179 * configure: Re-generate.
1180 * config.in: Likewise.
1182 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1185 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1186 sizes on syntax error after some arguments have been parsed.
1188 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1190 * doc/invoke.texi (-fira): Remove.
1192 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1194 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1195 * recog.c: Likewise.
1198 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1200 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1201 (umul_ppmm): Likewise.
1202 (count_leading_zeros): Likewise.
1203 (count_trailing_zeros): Likewise.
1204 (UMUL_TIME): Likewise.
1206 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1208 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1209 soft-fp/t-softfp to tmake_file.
1211 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1212 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1213 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1214 IA64_BUILTIN_INFQ]: New.
1215 (ia64_init_builtins): Initialize __builtin_infq,
1216 __builtin_fabsq and __builtin_copysignq if not HPUX.
1217 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1218 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1220 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1222 (__fixtfti): Likewise.
1223 (__fixunstfti): Likewise.
1224 (__floattitf): Likewise.
1226 * config/ia64/libgcc-glibc.ver: New.
1227 * config/ia64/t-fprules-softfp: Likewise.
1228 * config/ia64/sfp-machine.h: Likewise.
1230 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1231 (LIBGCC2_TF_CEXT): Likewise.
1232 (TF_SIZE): Likewise.
1233 (TARGET_INIT_LIBFUNCS): Likewise.
1235 * config/ia64/t-glibc (SHLINB_MAPFILES):
1236 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1238 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1240 * config/i386/i386.c (construct_container): Rewrite processing
1241 BLKmode with X86_64_SSE_CLASS.
1243 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1246 * config/i386/i386.md: Replace simplify_replace_rtx with
1247 replace_rtx in the new peephole2.
1249 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1251 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1252 loop unrolling do not happen at -O2.
1254 2009-02-12 Michael Matz <matz@suse.de>
1256 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1258 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1260 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1263 2009-02-12 Ben Elliston <bje@au.ibm.com>
1265 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1266 patterns when updating the back chain. Missed in the 2009-02-10
1269 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1271 * doc/extend.texi (Decimal Floating Types): Update identifier of
1272 draft TR and list of missing support.
1274 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1277 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1278 bit to variable length decl's flags, add it also to its
1279 pointer replacement variable.
1281 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1282 Jakub Jelinek <jakub@redhat.com>
1285 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1286 (memory_blockage): New expander.
1287 (*memory_blockage): New insn pattern.
1288 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1289 instead of general blockage at the end of function prologue when
1290 frame pointer is used to access red zone area. Do not emit blockage
1291 when profiling, it is emitted in generic code.
1292 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1293 function epilogue when frame pointer is used to access red zone area.
1295 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1298 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1299 by arithmetic with memory operands.
1300 * config/i386/predicates.md (commutative_operator): New.
1302 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1304 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1307 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1309 * alias.h (record_alias_subset): Declare.
1310 * alias.c (record_alias_subset): Make global.
1312 2009-02-10 Nick Clifton <nickc@redhat.com>
1314 * tree-parloops.c: Change license to GPLv3.
1315 * ipa-struct-reorg.c: Change license to GPLv3.
1316 * ipa-struct-reorg.h: Change license to GPLv3.
1318 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1321 * c-decl.c (start_struct): Return NULL on error.
1323 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1326 * cfgloopmanip.c (remove_path): Call remove_bbs after
1327 cancel_loop_tree, not before it.
1330 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1331 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1332 VAR_DECLs were seen.
1333 * tree-ssa-live.c (remove_unused_locals): Recompute
1334 cfun->has_local_explicit_reg_vars.
1335 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1336 copies or clearings if cfun->has_local_explicit_reg_vars.
1338 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1342 of function prologue when frame pointer is used to access
1345 2009-02-10 Richard Guenther <rguenther@suse.de>
1348 * gimplify.c (gimple_regimplify_operands): Always look if
1349 we need to create a temporary.
1351 2009-02-10 Richard Guenther <rguenther@suse.de>
1353 PR tree-optimization/39132
1354 * tree-loop-distribution.c (todo): New global var.
1355 (generate_memset_zero): Trigger TODO_rebuild_alias.
1356 (tree_loop_distribution): Return todo.
1358 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1361 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1362 (x86_64_reg_class_name): Removed.
1363 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1364 first one isn't X86_64_SSE_CLASS or any other ones aren't
1365 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1366 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1367 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1368 and 3 X86_64_SSEUP_CLASS.
1369 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1370 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1372 2009-02-10 Ben Elliston <bje@au.ibm.com>
1374 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1375 form instruction to update the stack back chain word, even if the
1376 user has disabled the generation of update instructions.
1377 (movdi_<mode>_update_stack): New.
1378 (movsi_update_stack): Likewise.
1379 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1380 always use an update form instruction to update the stack back
1383 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1386 * graphite.c (if_region_set_false_region): After moving a region in
1387 the false branch of a condition, remove the empty dummy basic block.
1388 (gloog): Remove wrong fix for PR38953.
1390 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1392 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1393 generation due to implicit sign extension.
1395 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1398 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1399 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1401 2009-02-09 Richard Guenther <rguenther@suse.de>
1404 * convert.c (convert_to_real): Disable (float)fn((double)x)
1405 to fnf(x) conversion if errno differences may occur and
1406 -fmath-errno is set.
1408 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1410 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1411 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1412 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1414 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1417 * c-common.c (handle_alias_attribute): Disallow attribute for
1418 anything not a FUNCTION_DECL or VAR_DECL.
1420 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1423 * real.c (do_compare): Special-case compare of zero against
1424 decimal float value.
1426 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1429 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1430 as indicating flexible array members unless the field itself is
1431 being declarared as the incomplete array.
1433 2009-02-06 Jan Hubicka <jh@suse.cz>
1435 PR tree-optimization/38844
1436 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1439 2009-02-06 Richard Guenther <rguenther@suse.de>
1442 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1443 fork because we may expand it as __gcov_fork.
1445 2009-02-06 Nick Clifton <nickc@redhat.com>
1447 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1449 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1451 PR tree-optimization/35659
1452 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1453 vn_phi_eq): Shortcut if hashcode does not match.
1454 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1456 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1457 and avoid iterative_hash_expr.
1458 (FOR_EACH_VALUE_ID_IN_SET): New.
1459 (value_id_compare): Remove.
1460 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1461 sort expressions by value id.
1463 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1466 * config/sh/predicates.md (general_movsrc_operand): Don't check
1467 the subreg of system registers here.
1469 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1472 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1475 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1477 PR rtl-optimization/39110
1478 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1479 addresses, not aligned ones.
1481 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1482 Richard Guenther <rguenther@suse.de>
1484 PR tree-optimization/39100
1485 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1486 comment says and add edges.
1488 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1491 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1492 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1494 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1496 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1497 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1498 register_bb_in_sese, new_sese, free_sese): Moved.
1499 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1500 outermost_loop_in_scop, build_scop_iteration_domain,
1501 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1502 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1503 Use loop_in_sese_p instead of loop_in_scop_p.
1504 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1505 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1506 (scopdet_basic_block_info): Fix bug in scop detection.
1507 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1508 eq_loop_to_cloog_loop): Remove.
1509 (nb_loops_around_loop_in_scop, nb_loop
1510 ref_nb_loops): Moved here...
1511 * graphite.h (ref_nb_loops): ... from here.
1512 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1513 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1514 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1515 * testsuite/gcc.dg/graphite/scop-19.c: New
1517 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1518 Hans-Peter Nilsson <hp@axis.com>
1520 PR rtl-optimization/37889
1521 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1522 Move offset handling from PLUS to before the switch. Use new
1523 arguments when considering SYMBOL_REFs too.
1524 (rtx_addr_can_trap_p): Pass dummy offset and size.
1525 (enum may_trap_p_flags): Remove.
1526 (may_trap_p_1): Pass size from MEM_SIZE.
1528 PR rtl-optimization/38921
1529 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1530 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1531 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1532 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1534 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1536 AVX Programming Reference (January, 2009)
1537 * config/i386/sse.md (*vpclmulqdq): New.
1539 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1541 PR tree-optimization/38977
1542 PR gcov-profile/38292
1543 * calls.c (special_function_p): Disregard __builtin_ prefix.
1545 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1547 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1548 non-indexable addresses even before reload.
1550 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1553 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1554 as having variable size. Do not give an error for unnamed
1555 parameters with [*] declarators. Give a warning for type names
1556 with [*] declarators and mark them as variable size.
1557 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1558 for sizeof applied to [*] type names.
1560 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1563 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1565 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1567 * gcc.c (process_command): Update copyright notice dates.
1568 * gcov.c (print_version): Likewise.
1569 * gcov-dump.c (print_version): Likewise.
1570 * mips-tfile.c (main): Likewise.
1571 * mips-tdump.c (main): Likewise.
1573 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1576 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1577 for composite type involving a zero-length array type.
1579 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1582 * function.c (match_asm_constraints_1): Skip over
1583 initial optional % in the constraint.
1586 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1587 supported, don't accept FIXED_CSTs.
1588 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1589 and _Sat is used without _Fract/_Accum. Set specs->type to
1590 integer_type_node for cts_fract/cts_accum if fixed point is not
1593 2009-02-02 Catherine Moore <clm@codesourcery.com>
1595 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1597 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1599 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1600 (ABI_HAS_64BIT_SYMBOLS): Use it.
1601 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1603 2009-02-02 Paul Brook <paul@codesourcery.com>
1605 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1607 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1610 * recog.h (asm_operand_ok): Add constraints argument.
1611 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1612 recurse on matching constraint.
1613 (check_asm_operands): Pass constraints as 3rd argument to
1614 asm_operand_ok. Don't look up matching constraint here.
1615 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1618 2009-02-02 Ben Elliston <bje@au.ibm.com>
1620 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1621 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1623 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1625 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1626 information. Remove some obsolete information. Reorganize.
1628 * config/pa/fptr.c: Revert license to GPL 2.
1629 * config/pa/milli64.S: Likewise.
1631 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1634 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1635 LIBRARY name in, instead of hard-coding it.
1636 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1637 extra target make frag to tmake_files according to EH model.
1638 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1639 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1640 frags that define makefile variable EH_MODEL appropriately.
1641 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1642 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1643 to "-sjlj" according to type of EH configured.
1644 (LIBGCC_SONAME): Concatenate it to shared library base name.
1645 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1646 to "_sjlj" according to type of EH configured.
1647 (LIBGCC_SONAME): Concatenate it to shared library base name.
1648 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1649 (SHLIB_LINK): Add missing semicolon to if-else construct.
1650 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1651 string value of "pe_dll" command-line option.
1652 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1653 (SHLIB_SONAME): Use it when overriding t-cygming default.
1654 (SHLIB_IMPLIB): Override t-cygming default.
1655 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1656 string value of "pe_dll" command-line option.
1658 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1661 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1662 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1664 2009-01-31 Richard Guenther <rguenther@suse.de>
1666 PR tree-optimization/38937
1667 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1668 computing the transitive closure.
1670 2009-01-30 Richard Guenther <rguenther@suse.de>
1672 PR tree-optimization/39041
1673 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1674 Propagate variable indices only if the types match for this stmt.
1676 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1679 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1680 inline but never defined.
1682 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1684 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1685 (*insv_h_di_reg_extimm): New insn.
1686 (*insv_l<mode>_reg_extimm): New insn.
1688 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1690 * config/picochip/picochip.c (flag_conserve_stack): set
1691 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1692 fconserve-stack. Reduce call-overhead used by inliner.
1694 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1697 * common.opt (flag_conserve_stack): Initialised to zero.
1699 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1702 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1703 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1706 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1708 * ira-color.c (allocno_reload_assign): Update comments.
1709 * regmove.c (regmove_optimize): Likewise.
1713 2009-01-29 Robert Millan <rmh@aybabtu.com>
1715 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1716 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1717 `MD_UNWIND_SUPPORT'.
1718 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1720 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1722 PR tree-optimization/39007
1723 * tree-loop-distribution.c (generate_builtin): Use
1724 recompute_dominator to compute the immediate dominator of the
1725 basic block just after the loop.
1727 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1729 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1730 (ASM_OUTPUT_DWARF_PCREL): Define.
1732 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1734 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1735 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1736 global. Modify entries about regmove and IRA.
1738 * ra-conflict.c: Remove the file.
1740 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1742 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1743 (pass_regclass_init): Rename to pass_reginfo_init.
1745 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1747 * toplev.h (flag_ira): Remove.
1749 * caller-save.c (setup_save_areas): Remove flag_ira.
1751 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1753 * global.c: Remove the file.
1755 * opts.c: (decode_options): Remove flag_ira.
1757 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1759 * regmove.c: Modify file description.
1760 (find_use_as_address, try_auto_increment): Define them only if
1761 AUTO_INC_DEC is defined.
1762 (replacement_quality, replace_in_call_usage, fixup_match_1,
1763 stable_and_no_regs_but_for_p): Remove.
1764 (reg_set_in_bb): Make it static.
1765 (regmove_optimize): Remove flag_ira and code which worked for
1768 * local-alloc.c: Remove the file.
1770 * common.opt (fira): Remove.
1772 * ira.c: Include except.h.
1773 (eliminable_regset): Move from global.c.
1774 (mark_elimination): Ditto. Remove flag_ira.
1775 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1776 equiv_mem_modified, validate_equiv_mem_from_store,
1777 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1778 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1779 no_equiv, recorded_label_ref): Move from local-alloc.c.
1780 (update_equiv_regs): Ditto. Make it static.
1781 (print_insn_chain, print_insn_chains): Move it from global.c.
1782 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1783 (build_insn_chain): Ditto. Make it static.
1784 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1785 Rename to init_live_subregs.
1786 (gate_ira): Remove flag_ira.
1788 * regclass.c: Rename reginfo.c. Change file description.
1789 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1790 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1791 (init_reg_sets_1): Remove code for evaluation of
1792 reg_class_superclasses and losing_caller_save_reg_set.
1793 (init_regs): Remove init_reg_autoinc.
1794 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1795 ok_for_base_p_nonstrict): Remove.
1796 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1797 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1798 corresponding entries.
1799 (dump_regclass, record_operand_costs, scan_one_insn,
1800 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1801 record_address_regs, auto_inc_dec_reg_p): Remove.
1802 (gt-regclass.h): Rename to gt-reginfo.h.
1804 * rtl.h (dump_global_regs, retry_global_alloc,
1805 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1807 * Makefile.in (RA_H): Remove.
1808 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1809 Rename regclass.o to reginfo.o.
1810 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1812 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1813 (GTFILES): Rename regclass.c to reginfo.c.
1815 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1816 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1818 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1819 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1821 (finish_spills): Ditto. Remove code for !flag_ira.
1823 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1826 * doc/invoke.texi (rtl debug options): Complete rewrite.
1827 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1829 * mode-switching.c (pass_mode_switching): Rename pass from
1830 "mode-sw" to "mode_sw".
1831 * except.c (pass_convert_to_eh_ranges): Rename pass from
1832 "eh-ranges" to "eh_ranges".
1833 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1837 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1838 Alexander Monakov <amonakov@ispras.ru>
1841 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1843 (move_exprs_to_boundary): Change return type and pass through
1844 should_move from move_op. Relax assert. Update usage ...
1845 (schedule_expr_on_boundary): ... here. Use should_move instead of
1847 (move_op_orig_expr_found): Indicate that insn was disconnected from
1849 (code_motion_process_successors): Do not call after_merge_succs
1850 callback if original expression was not found when traversing any of
1852 (code_motion_path_driver): Change return type. Update prototype.
1853 (move_op): Update comment. Add a new parameter (should_move). Update
1854 prototype. Set *should_move based on indication provided by
1855 move_op_orig_expr_found.
1857 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1859 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1860 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1861 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1862 * config/rs6000/rs6000.c (rs6000_override_options): Default
1863 avoid-indexed-addresses on for Power6, off for everything else.
1864 (avoiding_indexed_address_p): New function.
1865 (rs6000_legitimize_address): Use it.
1866 (rs6000_legitimate_address): Likewise.
1867 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1869 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1871 PR tree-optimization/38997
1872 * tree-loop-distribution.c (generate_memset_zero): Use
1873 POINTER_PLUS_EXPR for a pointer addition.
1875 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1877 * config/s390/s390.md (bswap<mode>2): New pattern added.
1879 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1881 * config/s390/s390.md (*tls_load_31): Added type attribute.
1883 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1885 * config/s390/s390.md: Fix a few comments.
1887 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1889 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1890 (*tm<mode>_full): Fixed z10prop attribute.
1891 (*tst<mode>_extimm): Fixed z10prop attribute.
1892 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1893 (*tstqiCCT_cconly): Fixed z10prop attribute.
1894 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1895 (*movsi_larl): Fixed z10prop attribute.
1896 (*movsi_zarch): Fixed z10prop attribute.
1897 (*movsi_eas): Fixed z10prop attribute.
1898 (*movhi): Fixed z10prop attribute.
1899 (*movqi): Fixed z10prop attribute.
1900 (*movstrictqi): Fixed z10prop attribute.
1901 (*mov<mode>): Fixed z10prop attribute.
1902 (*movcc): Fixed z10prop attribute.
1903 (*sethighpartdi_64): Fixed z10prop attribute.
1904 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1905 (*negdi2_sign_cc): Fixed z10prop attribute.
1906 (*negdi2_sign): Fixed z10prop attribute.
1907 (*absdi2_sign_cc): Fixed z10prop attribute.
1908 (*absdi2_sign): Fixed z10prop attribute.
1909 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1910 (*negabsdi2_sign): Fixed z10prop attribute.
1911 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1912 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1913 (doloop_si64): Fixed z10prop attribute.
1914 (doloop_si31): Fixed z10prop attribute.
1915 (doloop_long): Fixed z10prop attribute.
1916 (indirect_jump): Fixed z10prop attribute.
1917 (nop): Fixed z10prop attribute.
1918 (main_base_64): Fixed z10prop attribute.
1919 (reload_base_64): Fixed z10prop attribute.
1921 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1923 PR rtl-optimization/38740
1924 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1926 * config/mips/mips.c (mips_reorg): Likewise.
1928 2009-01-28 Richard Guenther <rguenther@suse.de>
1930 PR tree-optimization/38926
1931 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1932 with the correct value id to a value.
1933 (do_regular_insertion): Use the value number of edoubleprime
1934 for the value number of the expr.
1937 2008-08-21 Richard Guenther <rguenther@suse.de>
1939 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1940 a PHI ask VN if it is already available.
1941 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1942 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1944 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1947 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1948 set to varying whenever max has TREE_OVERFLOW set, similarly
1949 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1951 2009-01-28 Richard Guenther <rguenther@suse.de>
1954 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1955 uninitialized aggregate uses in call arguments.
1957 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1959 PR tree-optimization/38984
1960 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1961 the nothing_id variable if -fno-delete-null-pointer-checks.
1963 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1966 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1967 (set_got_offset_rex64): Ditto.
1969 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1972 * doc/extend.texi: Improve local variable with asm reg.
1974 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1976 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1977 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1978 was not supplied then set warn_packed_bitfield_compat to the
1980 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1983 2009-01-27 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/38503
1986 * cfgexpand.c (expand_gimple_basic_block): Ignore
1987 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1988 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1989 variables that cannot have TBAA applied.
1990 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1993 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1996 * calls.c (initialize_argument_information): Do not wrap complex
1997 arguments in SAVE_EXPR.
1999 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2001 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2002 (INSTALL_LIBGCC): Revert typo commit.
2004 2009-01-26 Richard Guenther <rguenther@suse.de>
2006 PR tree-optimization/38745
2007 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2008 from special handling.
2010 2009-01-26 Richard Guenther <rguenther@suse.de>
2012 PR tree-optimization/38745
2013 * tree-ssa.c (execute_update_addresses_taken): Do not include
2014 variables that cannot possibly be a register in not_reg_needs.
2015 Do not clear TREE_ADDRESSABLE on vars that may not become
2017 * tree-ssa.c (update_alias_info_1): Include those in the set
2018 of addressable vars.
2020 2009-01-26 Richard Guenther <rguenther@suse.de>
2023 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2024 * tree-ssa-dse.c: Include langhooks.h
2025 (execute_simple_dse): Remove stores with zero size.
2027 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2030 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2033 2009-01-24 Julian Brown <julian@codesourcery.com>
2035 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2036 config/arm/linux-atomic.c.
2037 * config/arm/linux-atomic.c: New.
2039 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2041 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2042 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2043 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2045 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2048 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2051 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2053 PR tree-optimization/38953
2054 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2055 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2056 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2057 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2060 2009-01-24 Paul Brook <paul@codesourcery.com>
2062 * config/arm/neon.md (neon_type): Move to arm.md.
2063 (neon_mov<VSTRUCT>): Add neon_type attribute.
2064 * config/arm/arm.md (neon_type): Move to here.
2065 (conds): Add "unconditioal" and use as default for NEON insns.
2067 2009-01-24 Ben Elliston <bje@au.ibm.com>
2069 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2070 void *' warning from -Wc++-compat.
2071 * Makefile.in (dominance.o-warn): Remove.
2073 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2075 PR tree-optimization/38932
2076 * fold-const.c (fold_unary_ignore_overflow): New.
2077 * tree.h (fold_unary_ignore_overflow): Declare.
2078 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2079 * tree-ssa-sccvn.c (visit_reference_op_load,
2080 simplify_unary_expression): Likewise.
2082 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2084 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2085 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2086 regardless of their type.
2087 * c-common.c (handle_packed_attribute): Don't ignore packed on
2089 * c.opt (Wpacked-bitfield-compat): New warning option.
2090 * stor-layout.c (place_field): Warn if offset of a field changed.
2091 * doc/extend.texi (packed): Mention the ABI change.
2092 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2093 (Warning Options): Add it to the list.
2095 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2097 * c-opts.c (c_common_post_options): Fix a typo in comments.
2099 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2102 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2103 variables to static.
2104 * doc/invoke.texi (-fmerge-all-constants): Update description.
2106 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2109 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2110 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2112 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2114 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2116 (LOCAL_ALIGNMENT): Similarly.
2118 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2119 Joseph Myers <joseph@codesourcery.com>
2121 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2122 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2123 * config/arm/arm-tune.md: Regenerate.
2124 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2127 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2129 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2130 version number to five.
2132 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2135 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2136 * c-common.c (set_underlying_type): Likewise.
2137 (is_typedef_decl ): Likewise
2139 (set_underlying_type): Likewise.
2140 (is_typedef_type): Likewise.
2142 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2145 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2148 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2151 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2152 (LIBGCC_SPEC): Don't define.
2153 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2155 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2157 PR rtl-optimization/38879
2158 * alias.c (base_alias_check): Unaligned access via AND address can
2159 alias all surrounding object types except those with sizes equal
2160 or wider than the size of unaligned access.
2162 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2165 * c-decl.c: (clone_underlying_type): Move this ...
2166 * c-common.c (set_underlying_type): ... here.
2167 Also, make sure the function properly sets TYPE_STUB_DECL() on
2168 the newly created typedef variant type.
2169 (is_typedef_decl ): New entry point.
2170 * tree.h: Added a new member member_types_needing_access_check to
2171 struct tree_decl_non_common.
2172 (set_underlying_type): New entry point.
2173 (is_typedef_type): Likewise.
2175 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2177 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2178 Check whether two instructions have memory references that
2179 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2180 are helper functions for traversing.
2181 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2182 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2183 not to draw dependency edge for instructions with non-conflicting
2186 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2189 * longlong.h: Update copyright years. Use soft-fp license notice.
2190 Sync __clz_tab declaration with glibc.
2192 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2195 * doc/extend.texi (syscall_linkage): New.
2196 (version_id): Modify.
2198 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2199 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/38747
2202 PR tree-optimization/38748
2203 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2204 conversion if the base address is an indirect reference and the
2205 aliasing sets could cause issues.
2207 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2209 * common.opt (fgraphite, fgraphite-identity): Add comment for
2210 explaining why these options are not documented.
2212 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2214 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2215 gimple_call_lhs is NULL.
2217 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2220 * emit-rtl.c (adjust_address_1): Make sure memref is never
2223 2009-01-20 Ben Elliston <bje@au.ibm.com>
2225 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2226 const qualifier from arg parameter. Remove unnecessary cast to char *.
2227 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2228 const qualifier from arg 2.
2230 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2232 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2234 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2237 * rtl.h (reinit_regs): New prototype.
2238 * regclass.c: Include ira.h.
2240 * Makefile.in (regclass.o): Add ira.h.
2241 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2243 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2246 * c-common.c (handle_aligned_attribute): Use
2247 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2248 default alignment value.
2250 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2252 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2253 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2255 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2256 __BIGGEST_ALIGNMENT__.
2258 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2260 2009-01-18 Richard Guenther <rguenther@suse.de>
2262 PR tree-optimization/38819
2263 * tree-flow.h (operation_could_trap_helper_p): Declare.
2264 * tree-eh.c (operation_could_trap_helper_p): Export.
2265 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2266 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2267 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2268 are about to insert a possibly trapping instruction and fail
2271 2009-01-18 Andreas Schwab <schwab@suse.de>
2273 * doc/install.texi (Configuration): Remove obsolete paragraph
2274 about use of --with-gnu-ld with --with-gnu-as.
2276 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2278 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2279 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2280 Follow spelling conventions.
2282 2009-01-18 Ben Elliston <bje@au.ibm.com>
2284 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2285 C++ warning about implicit conversion from void * to struct
2287 (bitmap_obstack_free): Likewise for bitmap_element *.
2288 * Makefile.in (bitmap.o-warn): Remove.
2290 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2292 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2294 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2295 Tobias Grosser <tobi.grosser@amd.com>
2297 * graphite.c (graphite_trans_scop_block): Do not block single
2300 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2302 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2303 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2304 test with assertion.
2306 2009-01-16 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/38835
2310 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2311 and INT + PTR -> (INT)(PTR p+ INT) folding.
2312 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2314 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2317 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2318 the subreg from a lowpart subreg if it is also casting the value.
2320 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2321 Tobias Grosser <tobi.grosser@amd.com>
2323 * graphite.c (compare_prefix_loops): New.
2324 (build_scop_canonical_schedules): Rewritten.
2325 (graphite_transform_loops): Move build_scop_canonical_schedules
2326 after build_scop_iteration_domain.
2328 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2329 Tobias Grosser <tobi.grosser@amd.com>
2331 * graphite.c (add_conditions_to_domain): Add the loops to
2332 the dimension of the iteration domain. Do copy the domain
2333 only when it exists.
2334 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2335 (add_conditions_to_constraints): New.
2336 (can_generate_code_stmt, can_generate_code): Removed.
2337 (gloog): Do not call can_generate_code.
2338 (graphite_transform_loops): Call add_conditions_to_constraints
2339 after building the iteration domain.
2341 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2343 PR tree-optimization/38789
2344 * tree-ssa-threadedge.c
2345 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2346 __builtin_constant_p.
2348 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2350 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2351 examined before deleting them.
2353 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2355 * function.c (aggregate_value_p): Correctly extract the function
2356 type from CALL_EXPR_FN lookup.
2358 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2360 * config/picochip/picochip.c (picochip_override_options): Revert
2361 CFI asm flag disable commited previously.
2363 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2364 Tobias Grosser <tobi.grosser@amd.com>
2365 Jan Sjodin <jan.sjodin@amd.com>
2367 * graphite.c (scan_tree_for_params): On substractions negate
2368 all the coefficients of the term.
2369 (clast_to_gcc_expression_red): New. Handle reduction expressions
2370 of more than two operands.
2371 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2372 (get_vdef_before_scop): Handle also the case of default definitions.
2374 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2376 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2377 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2378 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2380 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2381 Joey Ye <joey.ye@intel.com>
2384 * cfgexpand.c (expand_stack_alignment): Don't update stack
2385 boundary nor check incoming stack boundary here.
2386 (gimple_expand_cfg): Update stack boundary and check incoming
2387 stack boundary here.
2389 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2391 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2393 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2395 PR rtl-optimization/38245
2396 * calls.c (expand_call): Add stack arguments to
2397 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2398 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2399 in regs and partially in memory or BLKmode arguments.
2400 (emit_library_call_value_1): Add stack arguments to
2401 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2402 ACCUMULATE_OUTGOING_ARGS).
2403 * dce.c: Include tm_p.h.
2404 (find_call_stack_args): New function.
2405 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2407 (mark_insn): Call find_call_stack_args for CALL_Ps.
2408 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2409 forwards. Allocate and free arg_stores bitmap if needed, pass it
2410 down to deletable_insn_p, don't mark stores set in arg_stores
2411 bitmap, clear the bitmap at the beginning of each bb.
2412 * Makefile.in (dce.o): Depend on $(TM_P_H).
2414 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2417 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2418 to make sure the insn is a conditional test (bug 22599). Reformat a
2421 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2424 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2425 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2426 (gloog): Do not call cleanup_tree_cfg.
2427 (graphite_transform_loops): Call cleanup_tree_cfg after all
2428 scops have been code generated.
2430 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2431 * doc/gty.texi (Invoking the garbage collector): Added new node
2432 and section documenting ggc_collect.
2434 2009-01-14 Richard Guenther <rguenther@suse.de>
2436 PR tree-optimization/38826
2438 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2439 initialization notes only if we actually emitted a warning.
2440 (intra_create_variable_infos): Add constraints for a result decl
2441 that is passed by hidden reference.
2442 (build_pred_graph): Mark all related variables non-direct on
2445 2009-01-14 Nick Clifton <nickc@redhat.com>
2447 * ira-conflicts.c: Include addresses.h for the definition of
2449 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2450 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2452 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2455 * Makefile.in (ira-lives.o): Add except.h.
2457 * ira-lives.c: Include except.h.
2458 (process_bb_node_lives): Process can_throw_internal.
2460 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2462 PR rtl-optimization/38774
2463 * combine.c (simplify_set): When undoing cc_use change, don't do
2464 PUT_CODE on the newly created comparison, but instead put back the
2467 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2469 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2470 values. Remove duplicate arm8 entry.
2472 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2474 PR tree-optimization/38786
2475 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2476 the SSA_NAME case of expand_scalar_variables_expr.
2477 Set the type of an expression to the type of its assign statement.
2478 (expand_scalar_variables_expr): Also gather the scalar computation
2479 used to index the memory access. Do not pass loop_p.
2480 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2481 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2482 the gimple_stmt_iterator where it inserts new code.
2484 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2485 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2487 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2489 * graphite.h (debug_value): Removed.
2490 * graphite.c (debug_value): Removed.
2492 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2494 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2495 ldrd/strd with two 32-bit instructions.
2497 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2499 * config/arm/arm.c (struct processors): Pass for speed down into
2500 cost helper functions.
2501 (const_ok_for_op): Handle COMPARE and inequality nodes.
2502 (arm_rtx_costs_1): Rewrite.
2503 (arm_size_rtx_costs): Update prototype.
2504 (arm_rtx_costs): Pass speed down to helper functions.
2505 (arm_slowmul_rtx_costs): Rework cost calculations.
2506 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2507 (arm_9e_rtx_costs): Likewise.
2509 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2511 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2512 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2513 (alpha_legitimize_address): Do not split local symbols wider than
2514 UNITS_PER_WORD into HIGH/LO_SUM parts.
2516 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2519 * gcc.c (process_command): Replace call to execvp with calls
2520 to pex_one and exit.
2522 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2525 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2526 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2527 variant for devices with 3-byte PC.
2528 (__tablejump_elpm__) : New.
2530 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2533 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2534 offsetof member-designator, handle it as `[0].'.
2536 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2538 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2539 function when not using named sections on targets with named sections
2540 if branch distance is less than 262132.
2542 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2544 * combine.c (combine_instructions): Recompute
2545 optimize_this_for_speed_p for each BB in the main combine loop.
2547 2009-01-12 Tomas Bily <tbily@suse.cz>
2550 * tree-loop-distribution.c (prop_phis): New function.
2551 (generate_builtin): Call prop_phis.
2552 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2554 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2556 PR tree-optimization/38807
2557 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2558 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2560 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2562 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2563 subreg of op0 to the original op0.
2565 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2567 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2569 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2572 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2573 starting with digits.
2575 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2578 * config/arm/arm.c (arm_is_long_call_p): Don't call
2579 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2581 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2583 * regrename.c (regrename_optimize): Fix dumping.
2584 (find_oldest_value_reg): Preserve REG_POINTER.
2585 (copy_hardreg_forward_1): Likewise.
2587 2009-01-09 Diego Novillo <dnovillo@google.com>
2589 * gimple.h (struct gimple_statement_base) <uid>: Document
2590 the restrictions on its use.
2592 (gimple_set_uid): Tidy.
2594 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2596 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2597 zero guard even if align_bytes != 0 and count is smaller than
2600 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2602 PR rtl-optimization/38495
2603 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2604 (add_range_and_copies_from_move_list): Print all added ranges.
2605 Add ranges to memory optimized destination.
2607 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2611 * config/i386/i386.c (override_options): Reject
2612 -mstringop-strategy=rep_8byte with -m32.
2613 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2614 to 1. Do count comparison against epilogue_size_needed at compile
2615 time even when count_exp was constant forced into register. For
2616 size_needed don't jump to epilogue, instead just avoid aligning
2617 and invoke the body algorithm. If need_zero_guard, add zero guard
2618 even if count is non-zero, but smaller than size_needed + number of
2619 bytes that could be stored for alignment.
2620 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2621 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2622 but smaller than size_needed + number of bytes that could be stored
2623 for alignment. Compare size_needed with epilogue_size_needed instead
2624 of desired_align - align, don't adjust size_needed, pass
2625 epilogue_size_needed to the epilogue expanders.
2628 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2630 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2632 * pa.c (last_address): Change to unsigned.
2633 (update_total_code_bytes): Change argument to unsigned. Don't
2634 check if insn addresses are set.
2635 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2636 addresses are not set.
2637 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2639 2009-01-09 Nick Clifton <nickc@redhat.com>
2641 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2642 DECL_DECLARED_INLINE_P.
2644 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2647 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2648 GET_MODE (op0) in operand_subword_force calls.
2651 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2652 fold_convert arg0 operands to TREE_TYPE (op0) first.
2654 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2656 * params.def (ira-max-conflict-table-size): Decrease default value
2659 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2661 PR tree-optimization/37031
2662 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2664 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2665 allocate it using gc instead of heap, use VEC_quick_push instead of
2667 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2668 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2669 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2670 allocated vector from heap allocated.
2671 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2672 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2673 vector only after perfect_loop_nest_depth call.
2675 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2676 Jan Sjodin <jan.sjodin@amd.com>
2678 PR tree-optimization/38559
2679 * graphite.c (debug_value, copy_constraint,
2680 swap_constraint_variables, scale_constraint_variable, ): New.
2681 (get_lower_bound, get_upper_bound): Removed.
2682 (graphite_trans_bb_strip_mine): Clean up this code that works
2683 only for constant number of iterations. Fully copy upper and
2684 lower bound constraints, not only the constant part of them.
2685 * graphite.h (debug_value): Declared.
2687 2009-01-08 Ira Rosen <irar@il.ibm.com>
2689 PR tree-optimization/37194
2690 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2691 Don't add the cost of cost model guard in prologue to scalar
2692 outside cost in case of known number of iterations.
2694 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2695 Alan Modra <amodra@bigpond.net.au>
2697 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2698 non-word-aligned REG+CONST addressing.
2700 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2703 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2704 free_after_compilation when outputting a thunk.
2705 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2706 Do not call free_after_compilation here.
2708 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2710 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2711 (ix86_valid_target_attribute_inner_p): Ditto.
2713 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2715 PR tree-optimization/38492
2716 PR tree-optimization/38498
2717 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2718 * tree-chrec.h (scev_is_linear_expression): Declared.
2719 * graphite.c (graphite_cannot_represent_loop_niter): New.
2720 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2721 (graphite_loop_normal_form): Use gcc_assert.
2722 (scan_tree_for_params): Use CASE_CONVERT.
2723 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2724 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2725 Use gcc_assert. Discard scops that contain unhandled cases.
2726 (build_scop_conditions): Return a boolean status for unhandled cases.
2727 (strip_mine_profitable_p): Print the loop number, not its depth.
2728 (is_interchange_valid): Pass the depth of the loop nest, don't
2729 recompute it wrongly.
2730 (graphite_trans_bb_block): Same.
2731 (graphite_trans_bb_block): Print tentative of loop blocking.
2732 (graphite_trans_scop_block): Do not print that the loop has been
2734 (graphite_transform_loops): Do not handle scops that contain condition
2737 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2739 AVX Programming Reference (December, 2008)
2740 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2741 (_mm256_stream_pd): Likewise.
2742 (_mm256_stream_ps): Likewise.
2744 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2745 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2746 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2747 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2748 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2749 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2750 (ix86_expand_special_args_builtin): Likewise.
2752 * config/i386/sse.md (AVXMODEDI): New.
2753 (avx_movnt<mode>): Likewise.
2754 (avx_movnt<mode>): Likewise.
2755 (<sse>_movnt<mode>): Remove AVX support.
2756 (sse2_movntv2di): Likewise.
2758 2009-01-07 Richard Guenther <rguenther@suse.de>
2761 * fold-const.c (extract_muldiv): Remove obsolete comment.
2762 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2763 to PLUS_EXPR canonicalization for the canonicalization.
2765 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2767 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2768 hosted cross-compilers generating less efficient code.
2770 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2772 * function.h (rtl_data): Add a dbr_scheduled_p field.
2773 * reorg.c (dbr_schedule): Set it.
2774 (gate_handle_delay_slots): Check it.
2775 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2776 (mips_reorg): Check flag_delayed_branch instead of
2777 mips_base_delayed_branch.
2778 (mips_override_options): Don't set mips_base_delayed_branch
2779 or flag_delayed_branch.
2781 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2783 PR rtl-optimization/38426.
2784 * ira.c (ira): Set current_function_is_leaf earlier.
2786 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2788 PR rtl-optimization/38722
2789 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2790 too early, only set a flag and modify after last possible
2793 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2796 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2797 * real.c (decimal_single_format): Correct values of emin and emax.
2798 (decimal_double_format): Ditto.
2799 (decimal_quad_format): Ditto.
2800 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2801 computation of DECnn_MIN and DECnn_MAX for corrected values of
2802 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2803 __DECnn_MIN__, and adjust its computation for the corrected value
2806 2009-01-06 Jan Hubicka <jh@suse.cz>
2809 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2811 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2813 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2814 Add Robert Clark to the list of testers.
2816 2009-01-06 Jan Hubicka <jh@suse.cz>
2817 Kai Tietz <kai.tietz@onevision.com>
2819 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2820 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2822 2009-01-06 Jan Hubicka <jh@suse.cz>
2823 Kai Tietz <kai.tietz@onevision.com>
2825 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2827 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2828 (ix86_nsaved_regs): Count only general purpose regs.
2829 (ix86_nsaved_sseregs): New.
2830 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2831 to 16 for w64; compute padding and size of sse reg save area.
2832 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2833 general purpose regs.
2834 (ix86_emit_save_sse_regs_using_mov): New.
2835 (ix86_expand_prologue): Save SSE regs if needed.
2836 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2837 (ix86_emit_restore_sse_regs_using_mov): New.
2838 (ix86_expand_epilogue): Save SSE regs if needed.
2840 2009-01-06 Jan Hubicka <jh@suse.cz>
2841 Kai Tietz <kai.tietz@onevision.com>
2843 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2844 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2845 functions when accumulate outgoing args is off.
2847 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2850 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2851 before using pseudos_have_intersected_live_ranges_p.
2853 * ira-int.h (ira_assert): Always define.
2855 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2857 AVX Programming Reference (December, 2008)
2858 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2859 (_mm256_permute2_pd): Likewise.
2860 (_mm_permute2_ps): Likewise.
2861 (_mm256_permute2_ps): Likewise.
2862 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2863 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2865 * config/i386/i386.c (ix86_builtins): Remove
2866 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2867 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2868 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2869 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2870 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2871 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2872 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2873 __builtin_ia32_vpermil2ps256.
2874 (ix86_init_mmx_sse_builtins): Updated.
2875 (ix86_expand_args_builtin): Likewise.
2877 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2879 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2880 long absolute calls when generating PA 2.0 code.
2882 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2884 PR rtl-optimization/38583
2885 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2887 * params.def (ira-max-conflict-table-size): New.
2889 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2891 * ira.h (ira_conflicts_p): New external definition.
2893 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2894 table. Report this. Return result of building.
2895 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2896 building conflict table.
2898 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2899 (ira_color): Use ira_conflicts_p.
2901 * global.c: Include ira.h.
2902 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2905 * Makefile.in (global.o): Add ira.h.
2907 * ira-build.c (mark_all_loops_for_removal,
2908 propagate_some_info_from_allocno): New.
2909 (remove_unnecessary_allocnos): Call
2910 propagate_some_info_from_allocno.
2911 (remove_low_level_allocnos): New.
2912 (remove_unnecessary_regions): Add parameter. Call
2913 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2914 parameter to remove_unnecessary_regions.
2915 (ira_build): Remove all regions but root if the conflict table was
2916 not built. Update conflict hard regs for allocnos crossing calls.
2918 * ira.c (ira_conflicts_p): New global.
2919 (ira): Define and use ira_conflicts_p.
2921 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2922 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2923 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2925 2009-01-06 Ben Elliston <bje@au.ibm.com>
2927 * gengtype-lex.l (YY_NO_INPUT): Define.
2929 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2932 * c-common.c (handle_vector_size_attribute): Also reject
2935 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2937 PR tree-optimization/38492
2938 * graphite.c (rename_map_elt, debug_rename_elt,
2939 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2940 rename_map_elt_info, eq_rename_map_elts,
2941 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2942 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2943 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2944 (sese_build_livein_liveouts): New.
2945 (new_sese, free_sese): New.
2946 (new_scop): Call new_sese.
2947 (free_scop): Call free_sese.
2948 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2949 (register_old_new_names): Renamed register_old_and_new_names.
2950 (register_scop_liveout_renames, add_loop_exit_phis,
2951 insert_loop_close_phis, struct igp,
2952 default_liveout_before_guard, add_guard_exit_phis,
2953 insert_guard_phis, copy_renames): New.
2954 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2955 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2956 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2957 (scop_adjust_phis_for_liveouts): New.
2958 (gloog): Call scop_adjust_phis_for_liveouts.
2960 * graphite.h (struct sese): Documented. Added fields liveout,
2962 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2963 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2964 (struct scop): Added field liveout_renames.
2965 (SCOP_LIVEOUT_RENAMES): New.
2967 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2969 PR tree-optimization/38510
2970 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2971 (translate_clast): Call recompute_all_dominators before
2973 (gloog): Call recompute_all_dominators before graphite_verify.
2975 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2976 Jan Sjodin <jan.sjodin@amd.com>
2978 PR tree-optimization/38500
2979 * graphite.c (create_sese_edges): Call fix_loop_structure after
2982 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2984 * config.gcc: Add m32r*-*-rtems*.
2985 * config/m32r/rtems.h: New file.
2987 2009-01-05 Ben Elliston <bje@au.ibm.com>
2989 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2990 (.po.pox): Likewise.
2991 (po/gcc.pot): Likewise.
2993 2009-01-04 David S. Miller <davem@davemloft.net>
2995 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2996 (STARTING_FRAME_OFFSET): Always set to zero.
2998 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3000 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3001 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3002 fixed-point types, and vectors of the same.
3004 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3006 * config/mips/sync.md (*mb_barrier): Rename to...
3007 (*memory_barrier): ...this.
3009 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3011 * doc/extend.texi (Function Attributes): Move @cindex after @item
3012 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3013 and put in alphabetical order. Fix 'target' name and put in order.
3014 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3017 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3019 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3020 (memory_barrier): Expand as unspec instead of unspec_volatile.
3021 Remove mem:BLK from insn operands. Use Pmode scratch register.
3022 (*memory_barrier): Define as unspec instead of unspec_volatile.
3023 Use (match_dup 0) as input operand.
3025 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3026 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3027 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3028 scratch register. Remove operand 1.
3029 (*stbar): Define as unspec instead of unspec_volatile.
3030 Use (match_dup 0) as input operand, remove (const_int 8).
3031 (*membar): Define as unspec instead of unspec_volatile.
3032 Use (match_dup 0) as input operand, remove input operand 2.
3034 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3035 (memory_barrier): Expand as unspec instead of unspec_volatile.
3036 Remove mem:BLK from insn operands. Use Pmode scratch register.
3037 (*memory_barrier): Define as unspec instead of unspec_volatile.
3038 Use (match_dup 0) as input operand.
3040 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3041 Remove mem:BLK from insn operands. Use Pmode scratch register.
3042 Set volatile flag on operand 0.
3043 (*memory_barrier): New insn pattern.
3045 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3047 (*memory_barrier): Use (match_dup 0) as input operand.
3049 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3050 Remove mem:BLK from insn operands. Use Pmode scratch register.
3051 Set volatile flag on operand 0.
3052 (*mb_internal): New insn pattern.
3054 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3056 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3059 * function.c (struct temp_slot): Move to the section of the file
3060 that deals with temp slots. Remove field 'address'.
3061 (temp_slot_address_table): New hash table of address -> temp slot.
3062 (struct temp_slot_address_entry): New struct, items for the table.
3063 (temp_slot_address_compute_hash, temp_slot_address_hash,
3064 temp_slot_address_eq, insert_temp_slot_address): Support functions
3066 (find_temp_slot_from_address): Rewrite to use the new hash table.
3067 (remove_unused_temp_slot_addresses): Remove addresses of temp
3068 slots that have been made available.
3069 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3070 worker function for remove_unused_temp_slot_addresses.
3071 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3072 Add the temp slot address to the address -> temp slot map.
3073 (update_temp_slot_address): Update via insert_temp_slot_address.
3074 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3075 (pop_temp_slots): Likewise.
3076 (init_temp_slots): Allocate the address -> temp slot map, or empty
3077 the map if it is already allocated.
3078 (prepare_function_start): Initialize temp slot processing.
3080 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3083 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3084 Calculate the size of all stack vars assuming no packing of stack
3085 vars will happen, replacing a quadratic algorithm with a linear one.
3087 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3090 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3093 2009-01-03 Diego Novillo <dnovillo@google.com>
3095 * doc/contrib.texi: Update contributions.
3097 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3100 * builtins.c (fold_builtin_memory_op): Give up if either operand
3101 is volatile. Set srctype or desttype to non-qualified version
3105 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3108 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3110 PR rtl-optimization/35805
3111 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3112 problem if fast dce is able to remove any instructions.
3113 * dce.c (dce_process_block): Fix dump message.
3115 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3118 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3120 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3123 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3124 * tree-pretty-print.c (op_code_prio): New function.
3125 (op_prio): No longer static. Use op_code_prio.
3126 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3127 Use op_prio and op_code_prio to determine if () should be
3128 printed around operand(s) or not.
3130 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3131 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3132 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3133 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3134 pp_character instead of pp_string for single letter printing.
3136 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3138 * doc/extend.texi: Fix '#pragma GCC option' typo.
3140 2009-01-02 Richard Guenther <rguenther@suse.de>
3142 * doc/install.texi (--enable-checking): Mention different
3144 (--enable-stage1-checking): Document.
3146 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3149 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3150 case to be an error.
3152 2009-01-02 Ben Elliston <bje@au.ibm.com>
3154 * config/fp-bit.h (pack_d): Constify argument.
3155 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3156 (isnan): Constify argument.
3160 (_fpadd_parts): Constify return type.
3161 (_fpmul_parts): Likewise.
3162 (_fpdiv_parts): Likewise.
3164 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3167 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3168 warn about overwriting initializer with side-effects or
3169 -Woverride-init if !IMPLICIT.
3170 (output_init_element): Likewise. Pass IMPLICIT down to
3172 (process_init_element): Add IMPLICIT argument. Pass it down
3173 to output_init_element.
3174 (push_init_element, pop_init_level, set_designator): Adjust
3175 process_init_element callers.
3176 (set_nonincremental_init, set_nonincremental_init_from_string):
3177 Adjust add_pending_init callers.
3178 (output_pending_init_elements): Adjust output_init_element callers.
3179 * c-tree.h (process_init_element): Adjust prototype.
3180 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3181 process_init_element callers.