1 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
5 instead of c_parser_expression_conv, if original_code isn't one of the
6 4 allowed comparison codes, fail.
8 2009-03-23 Richard Guenther <rguenther@suse.de>
10 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
11 * tree.h (struct tree_type): Likewise.
12 * reload.h (struct insn_chain): Likewise.
13 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
14 * function.h (struct function): Likewise.
15 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
17 2009-03-23 Jakub Jelinek <jakub@redhat.com>
19 PR tree-optimization/39516
20 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
22 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
24 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
25 should be set true if BITS_PER_WORD of target is bigger than 32
27 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
29 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
30 Translate -B-options to -rpath-link. Correct existing
31 rpath-link and conditionalize on !nostdlib.
33 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
35 * doc/extend.texi (Function Attributes, Variable Attributes):
37 * doc/invoke.texi (Debugging Options, Optimize Options)
38 (i386 and x86-64 Options, MCore Options): Likewise.
40 2009-03-20 Jakub Jelinek <jakub@redhat.com>
43 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
44 it for block local namespace aliases.
45 (gen_decl_die): Pass context_die to gen_namespace_die.
47 2009-03-19 Jakub Jelinek <jakub@redhat.com>
50 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
51 minimum or maximum value.
53 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
55 * reginfo.c (globalize_reg): Recompute derived reg sets.
57 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
60 * libgcc2.c (mprotect): Do not use signed arguments for
61 VirtualProtect, use DWORD arguments. Also fix the 'may
62 be used uninitialized' warning for the np variable.
64 2009-03-19 Jakub Jelinek <jakub@redhat.com>
67 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
68 functions using regparm calling conventions when not optimizing.
69 (ix86_function_sseregparm): Similarly for sseregparm calling
72 2009-03-19 Li Feng <nemokingdom@gmail.com>
75 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
76 dependence if the first conflict is after niter iterations.
78 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
81 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
82 functions with dynamic stack-pointer adjustments.
84 2009-03-19 Ben Elliston <bje@au.ibm.com>
86 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
87 option; change to -msdata=data.
89 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
91 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
94 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
97 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
99 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
101 * doc/invoke.texi (Code Gen Options): Expand discussion of
104 2009-03-18 Jakub Jelinek <jakub@redhat.com>
106 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
107 * matrix-reorg.c (struct matrix_info): Likewise.
108 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
109 * rtl.h (struct mem_attrs): Likewise.
110 * df.h (struct df): Likewise.
111 * tree-data-ref.h (struct data_dependence_relation): Likewise.
112 * ira-int.h (struct ira_allocno): Likewise.
113 * df-scan.c (struct df_collection_rec): Likewise.
114 * ira.c (struct equivalence): Likewise.
115 * function.c (struct temp_slot): Likewise.
116 * cfgloop.h (struct loop): Likewise.
119 * function.c (use_register_for_decl): When not optimizing, disregard
120 register keyword for variables with types containing methods.
122 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
125 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
126 (is_simple_operand): Call contains_component_ref_p before calling data
127 reference analysis that would fail on COMPONENT_REFs.
129 * tree-vrp.c (search_for_addr_array): Fix formatting.
131 2009-03-18 Richard Guenther <rguenther@suse.de>
133 * tree-vect-transform.c (vect_loop_versioning): Fold the
134 generated comparisons.
135 * tree-vectorizer.c (set_prologue_iterations): Likewise.
136 (slpeel_tree_peel_loop_to_edge): Likewise.
138 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
141 * opts.c (print_specific_help): In addition to `undocumented',
142 accept `separate' and `joined' flags if passed alone. Describe
143 output by the first matched one of those.
144 (common_handle_option): Skip over empty strings.
145 * gcc.c (display_help): Fix help string for `--help='.
146 * doc/invoke.texi (Option Summary, Overall Options): With
147 `--help=', classes and qualifiers can both be repeated, but
148 only the latter can be negated. One should not pass only
149 negated qualifiers. Fix markup and examples.
152 2008-10-14 Jakub Jelinek <jakub@redhat.com>
154 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
157 2009-03-17 Jing Yu <jingyu@google.com>
160 * function.h (struct rtl_data): Move is_thunk from here...
161 (struct function): ...to here.
162 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
163 * varasm.c (assemble_start_function): Change is_thunk from crtl to
165 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
167 (alpha_does_function_need_gp, alpha_start_function): Likewise.
168 (alpha_output_function_end_prologue): Likewise.
169 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
170 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
171 (rs6000_output_function_epilogue): Likewise.
172 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
174 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
177 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
178 from different units in a single alternative.
179 (*truncdfsf_i387): Ditto.
180 (*truncxfsf2_mixed): Ditto.
181 (*truncxfdf2_mixed): Ditto.
183 2009-03-17 Jakub Jelinek <jakub@redhat.com>
185 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
186 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
189 * tree-ssa-live.c (remove_unused_locals): Don't remove local
190 unused non-artificial variables when not optimizing.
193 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
194 DW_TAG_imported_module even if decl is IMPORTED_DECL with
195 NAMESPACE_DECL in its DECL_INITIAL.
198 * optabs.c (set_user_assembler_libfunc): New function.
199 * expr.h (set_user_assembler_libfunc): New prototype.
200 * c-common.c: Include libfuncs.h.
201 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
202 for memcmp, memset, memcpy, memmove and abort.
203 * Makefile.in (c-common.o): Depend on libfuncs.h.
206 * dwarf2out.c (gen_inlined_enumeration_type_die,
207 gen_inlined_structure_type_die, gen_inlined_union_type_die,
208 gen_tagged_type_instantiation_die): Removed.
209 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
212 2009-03-17 Janis Johnson <janis187@us.ibm.com>
215 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
217 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
218 (check-parallel-%): Ditto.
219 (check-consistency): Ditto.
221 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
223 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
224 local variable rhs by NULL_TREE.
226 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
229 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
231 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
234 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
236 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
239 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
240 for ms->sysv ABI calls only in 64bit mode.
242 * config/i386/i386.md (untyped_call): Support 32bit.
244 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
246 * doc/extend.texi: Replace x86_65 with x86_64.
248 2009-03-16 Jakub Jelinek <jakub@redhat.com>
250 PR tree-optimization/39455
251 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
252 mismatches for POINTER_TYPE_P (type).
253 (number_of_iterations_le): Likewise.
255 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
257 * config/picochip/picochip.c: Removed profiling support.
258 * config/picochip/picochip.md: Removed profiling instruction.
259 * config/picochip/picochip.h: Removed profiling builtin.
261 2009-03-16 Joseph Myers <joseph@codesourcery.com>
263 * doc/install.texi (--with-host-libstdcxx): Document.
265 2009-03-14 Anatoly Sokolov <aesok@post.ru>
268 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
269 generate a warning if the function name does not begin with
270 "__vector" and the function has either the 'signal' or 'interrupt'
271 attribute, from here to ...
272 (avr_declare_function_name): ...here. New function.
273 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
274 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
276 2009-03-14 Jakub Jelinek <jakub@redhat.com>
279 * cse.c (fold_rtx): Don't modify original const_arg1 when
280 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
281 separate variable instead.
282 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
283 from out of range shift counts.
284 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
286 2008-03-13 Catherine Moore <clm@codesourcery.com>
288 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
289 diagnostic.h with $(DIAGNOSTIC_H).
291 2008-03-12 Jakub Jelinek <jakub@redhat.com>
294 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
296 * config/i386/sync.md (sync_compare_and_swap<mode>,
297 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
298 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
300 (sync_double_compare_and_swapdi_pic,
301 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
302 cmpxchg8b_pic_memory_operand instead of just memory_operand.
304 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
307 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
309 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
312 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
313 (avx_addsubv4df3): Likewise.
314 (*avx_addsubv4sf3): Likewise.
315 (sse3_addsubv4sf3): Likewise.
317 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
320 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
322 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
325 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
326 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
327 registers for allocnos created from user-defined variables.
329 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
332 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
333 of non-integer mode as well.
335 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
337 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
338 for functions for which the parameter types are unknown.
340 2009-03-11 Jakub Jelinek <jakub@redhat.com>
343 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
344 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
345 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
346 * config/i386/i386.c (ix86_local_alignment): For
347 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
348 long long variables on the stack to avoid dynamic realignment.
349 Allow the first argument to be a decl rather than type.
350 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
352 2009-03-11 Nick Clifton <nickc@redhat.com>
355 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
357 Add description to mno-lsim option.
358 * config/mcore/mcore.h: Remove comment about deprecated m4align
360 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
361 * doc/invoke.texi: Add description of mno-lsim and
362 mstack-increment options.
364 * config/fr30/fr30.opt: Document the -mno-lsim option.
365 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
366 and -mno-lsim options.
368 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
370 * fold-const.c (fold_comparison): Only call fold_inf_compare
371 if the mode supports infinities.
373 2009-03-11 Jason Merrill <jason@redhat.com>
376 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
377 end already did. Notice GIMPLE_CALL modifications of the result.
378 Don't copy debug information from an ignored decl or a decl from
381 2009-03-10 Richard Guenther <rguenther@suse.de>
382 Nathan Froyd <froydnj@codesourcery.com>
385 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
386 (__divMODE3): Likewise.
388 2009-03-09 Jakub Jelinek <jakub@redhat.com>
390 PR tree-optimization/39394
391 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
392 DECL_SIZE_UNIT of variable length FIELD_DECLs.
394 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
396 * recog.c (verfiy_changes): Disallow renaming of hard regs in
397 inline asms for register asm ("") declarations.
399 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
401 * fold-const.c (fold_unary): Fix comment.
403 2009-03-07 Jan Hubicka <jh@suse.cz>
406 * tree-inline.c (setup_one_parameter): Do replacement of const argument
407 by constant in SSA form.
409 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
412 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
413 determine alignment passed to assign_stack_local.
414 (assign_parms_unsplit_complex): Likewise.
415 * except.c (sjlj_build_landing_pads): Likewise.
417 2009-03-06 Jakub Jelinek <jakub@redhat.com>
420 * tree-flow.h (add_referenced_var): Return bool instead of void.
421 * tree-dfa.c (add_referenced_var): Return result of
422 referenced_var_check_and_insert call.
423 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
424 of referenced_var_check_and_insert.
427 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
428 (gen_variable_die): Emit DW_AT_location on abstract static variable's
429 DIE, don't emit it if abstract origin already has it.
430 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
431 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
433 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
435 * genpreds.c: (needs_variable): Fix parentheses at variable name
437 (write_tm_constrs_h): Indent generated code.
439 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
441 * doc/extend.texi (Function Attributes): Add documentation
444 2009-03-06 Jakub Jelinek <jakub@redhat.com>
447 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
448 take locus from its DECL_SOURCE_LOCATION instead of input_location.
450 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
452 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
455 2009-03-05 Jakub Jelinek <jakub@redhat.com>
458 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
459 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
461 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
463 * config/i386/i386.md (R8_REG, R9_REG): New constants.
464 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
465 constants instead of magic numbers.
466 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
468 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
469 (x86_64_ms_abi_int_parameter_registers): Ditto.
470 (x86_64_int_return_registers): Ditto.
471 (ix86_maybe_switch_abi): Ditto.
472 (ix86_expand_call): Ditto for clobbered_registers array.
473 (ix86_hard_regno_mode_ok): Ditto.
474 (x86_extended_QIreg_mentioned_p): Ditto.
476 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
478 PR tree-optimization/39349
479 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
481 * combine.c (gen_lowpart_for_combine): Use omode when generating
484 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
486 PR rtl-optimization/39235
487 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
489 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
491 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
493 2009-03-04 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/39362
496 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
497 that occur in abnormal PHIs should be varying.
499 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
501 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
503 (simple_iv): Take loop as an argument instead of statement.
504 * tree-scalar-evolution.h (simple_iv): Declaration changed.
505 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
507 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
509 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
510 * matrix-reorg.c (analyze_transpose): Ditto.
511 * tree-data-ref.c (dr_analyze_innermost): Ditto.
512 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
513 * tree-predcom.c (ref_at_iteration): Ditto.
514 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
516 2009-03-04 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/39358
519 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
520 escaped_id and callused_id.
521 (solve_graph): Likewise.
523 2009-03-04 Richard Guenther <rguenther@suse.de>
525 PR tree-optimization/39339
526 * tree-sra.c (try_instantiate_multiple_fields): Make it
527 no longer ICE on the above.
529 2009-03-03 Joseph Myers <joseph@codesourcery.com>
531 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
532 that fits within Pmode.
534 2009-03-03 Steve Ellcey <sje@cup.hp.com>
537 * tm.texi (LIBCALL_VALUE): Update description.
539 2009-03-03 Steve Ellcey <sje@cup.hp.com>
542 * doc/extend.texi (section): Update description.
544 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
547 * tree-inline.c (remapped_type): New.
548 (can_be_nonlocal): Call remapped_type instead of remap_type.
550 2009-03-03 Jakub Jelinek <jakub@redhat.com>
553 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
554 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
556 2009-03-03 Richard Guenther <rguenther@suse.de>
559 * tree.c (tree_nonartificial_location): New function.
560 * tree.h (tree_nonartificial_location): Declare.
561 * builtins.c (expand_builtin_memory_chk): Provide location
562 of the call location for artificial function pieces.
563 (maybe_emit_chk_warning): Likewise.
564 (maybe_emit_sprintf_chk_warning): Likewise.
565 (maybe_emit_free_warning): Likewise.
566 * expr.c (expand_expr_real_1): Likewise.
568 2009-03-03 Jakub Jelinek <jakub@redhat.com>
570 PR tree-optimization/39343
571 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
572 COMPONENT_REF t has ARRAY_TYPE.
574 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
577 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
578 when the type precision of the induction variable should be
579 larger than the type precision of nit.
580 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
581 * graphite.c (graphite_loop_normal_form): Same.
582 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
584 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
586 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
587 (*call_1_rex64_ms_sysv): Use named constants instead of magic
588 numbers to describe clobbered registers.
589 (*call_value_0_rex64_ms_sysv): Ditto.
590 * config/i386/mmx.md (mmx_emms): Ditto.
593 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
595 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
598 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
600 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
601 (spu_section_type_flags): New function.
603 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
605 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
606 reg_class_contents of FLOAT_REGS into a temporary.
608 2009-03-02 Richard Guenther <rguenther@suse.de>
609 Ira Rosen <irar@il.ibm.com>
611 PR tree-optimization/39318
612 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
613 information to the vectorized statement.
615 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
617 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
618 variable. Use defined names instead of magic constants for REX SSE
621 2009-03-01 Richard Guenther <rguenther@suse.de>
623 PR tree-optimization/39331
624 * omp-low.c (lower_send_shared_vars): Do not receive new
625 values for the reference of DECL_BY_REFERENCE parms or results.
627 2009-03-01 Jan Hubicka <jh@suse.cz>
630 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
631 BLOCK_NONLOCALIZED_VAR): New macros.
632 (tree_block): Add nonlocalized_vars.
633 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
634 gen_decl_die): Add origin argument. Allow generation of die with
636 (gen_member_die, gen_type_die_with_usage, force_decl_die,
637 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
639 (gen_block_die): Fix checking for unused blocks.
640 (process_scope_var): Break out from .... ; work with origins only.
641 (decls_for_scope) ... here; process nonlocalized list.
642 (dwarf2out_ignore_block): Look for nonlocalized vars.
643 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
645 (dump_scope_block): Dump them.
646 * tree-inline.c (remap_decls): Handle nonlocalized vars.
647 (remap_block): Likewise.
648 (can_be_nonlocal): New predicate.
649 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
651 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
653 * configure: Regenerate.
655 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
657 * optc-gen.awk: No need to duplicate option flags twice.
658 Reuse help texts for duplicate options which do not have any.
660 * gcc.c (display_help): Document --version.
662 * gcc.c (main): If print_help_list and verbose_flag, ensure
663 driver output comes before subprocess output.
665 * optc-gen.awk: Assign all remaining fields to help string,
666 space-separated, for multi-line help in *.opt.
668 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
669 -Wno-pedantic-ms-format is for MinGW targets only.
671 * doc/options.texi (Option file format): Fix bad indentation,
672 restoring dropped sentence.
674 2009-02-28 Jan Hubicka <jh@suse.cz>
676 * tree-inline.c (tree_function_versioning): Output debug info.
678 2009-02-28 Jan Hubicka <jh@suse.cz>
681 * tree-inline.c (setup_one_parameter): Do not copy propagate
682 arguments when not optimizing.
684 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
687 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
688 (avx_addsubv4df3): Likewise.
689 (*avx_addsubv4sf3): Likewise.
690 (sse3_addsubv4sf3): Likewise.
691 (*avx_addsubv2df3): Likewise.
692 (sse3_addsubv2df3): Likewise.
693 (avx_unpckhps256): Correct item selectors.
694 (avx_unpcklps256): Likewise.
695 (avx_unpckhpd256): Likewise.
696 (avx_unpcklpd256): Likewise.
698 2009-02-28 Jan Hubicka <jh@suse.cz>
700 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
702 (copy_arguments_for_versioning): If var is declared don't declare it.
703 (tree_function_versioning): First setup substitutions and then copy
706 2009-02-27 Jan Hubicka <jh@suse.cz>
709 * cgraph.h (varpool_output_debug_info): Remove.
710 * cgraphunit.c (varpool_output_debug_info): Remove.
711 * dwarf2out.c (deferred_locations_struct): New struct
712 (deferred_locations): New type.
713 (deferred_locations_list): New static var.
714 (deffer_location): New function.
715 (gen_variable_die): Use it.
716 (decls_for_scope): Output info on local static vars.
717 (dwarf2out_finish): Process deferred locations.
718 * varpool.c (varpool_output_debug_info): Remove.
720 2009-02-27 Jan Hubicka <jh@suse.cz>
723 * tree.h (TREE_PROTECTED): Fix comment.
724 (BLOCK_HANDLER_BLOCK): Remove.
725 (struct tree_block): Remove handler_block add body_block.
726 (inlined_function_outer_scope_p): New.
727 (is_body_block): Remove.
728 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
729 * dwarf2out.c (is_inlined_entry_point): Remove.
730 (add_high_low_attributes): Use inlined_function_outer_scope_p.
731 (gen_block_die): Use is_inlined_entry_point check. Remove body block
733 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
734 * gimplify.c (gimplify_expr): Gimplify body blocks.
735 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
736 block with multiple subblocks.
737 (dump_scope_block): Prettier output; dump more flags and info.
738 (dump_scope_blocks): New.
739 (remove_unused_locals): Use dump_scope_blocks.
740 * tree-flow.h (dump_scope_blocks): Declare.
741 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
742 * stmt.c (is_body_block): Remove.
743 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
744 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
746 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
749 * graphite.c (graphite_loop_normal_form): Do not call
750 number_of_iterations_exit from a gcc_assert.
752 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
754 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
755 jumps if COND is NULL.
756 (find_cond_jump): New function.
757 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
758 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
760 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
762 * config/alpha/alpha.h (alpha_expand_mov): Return false if
763 force_const_mem returns NULL_RTX.
765 2009-02-26 Jan Hubicka <jh@suse.cz>
768 * cgraph.h (varpool_output_debug_info): Remove.
769 * cgraphunit.c (varpool_output_debug_info): Remove.
770 * dwarf2out.c (deferred_locations_struct): New struct
771 (deferred_locations): New type.
772 (deferred_locations_list): New static var.
773 (deffer_location): New function.
774 (gen_variable_die): Use it.
775 (decls_for_scope): Output info on local static vars.
776 (dwarf2out_finish): Process deferred locations.
777 * varpool.c (varpool_output_debug_info): Remove.
779 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
781 PR rtl-optimization/39241
782 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
783 to subreg_offset_representable_p.
785 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
787 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
788 execute function prototype. Get f and nregs from max_reg_num
789 and get_insns. Remove the first backward pass as it's dead,
790 guard the forward pass by flag_expensive_optimizations.
791 (rest_of_handle_regmove): Delete.
792 (pass_regmove): Replace it with regmove_optimize.
794 2009-02-25 Martin Jambor <mjambor@suse.cz>
796 PR tree-optimization/39259
797 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
798 calls_alloca function flags.
799 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
802 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
804 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
805 flags_set_1_rtx, flags_set_1_set): Delete.
806 (regmove_optimize): Do not call mark_flags_life_zones.
808 2009-02-24 Julian Brown <julian@codesourcery.com>
811 * config/arm/arm.c (require_pic_register): Only set
812 cfun->machine->pic_reg once per function.
814 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
816 * doc/invoke.texi (Link Options): Document an easier way to pass
817 options that take arguments to the GNU linker using -Xlinker and -Wl.
819 2009-02-24 Steve Ellcey <sje@cup.hp.com>
822 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
824 2009-02-24 Richard Guenther <rguenther@suse.de>
827 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
829 2009-02-24 Richard Guenther <rguenther@suse.de>
830 Zdenek Dvorak <ook@ucw.cz>
832 PR tree-optimization/39233
833 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
834 from converting them to a generic type.
836 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
838 PR tree-optimization/39260
839 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
840 contains a condition with a real type.
841 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
843 2009-02-23 Jason Merrill <jason@redhat.com>
846 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
847 narrowing_initializer_constant_valid_p.
848 (narrowing_initializer_constant_valid_p): Don't return
849 null_pointer_node for adding a pointer to itself.
851 2009-02-23 Jan Hubicka <jh@suse.cz>
854 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
857 2009-02-23 Jan Hubicka <jh@suse.cz>
859 PR tree-optimization/37709
860 * tree.c (block_ultimate_origin): Move here from dwarf2out.
861 * tree.h (block_ultimate_origin): Declare.
862 * dwarf2out.c (block_ultimate_origin): Move to tree.c
863 * tree-ssa-live.c (remove_unused_scope_block_p):
864 Eliminate blocks containig no instructions nor live variables nor
866 (dump_scope_block): New function.
867 (remove_unused_locals): Enable removal of dead blocks by default;
868 enable dumping at TDF_DETAILS.
870 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
872 * config/i386/i386.c (classify_argument): Don't allow COImode
874 (function_arg_advance_32): Don't allow OImode.
875 (function_arg_32): Likewise.
876 (function_value_32): Likewise.
877 (return_in_memory_32): Likewise.
878 (function_arg_64): Remove OImode comment.
880 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
883 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
884 ix86_expand_vector_set for V4DImode in 64bit mode only.
885 (ix86_expand_vector_init_one_var): Likewise.
887 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
889 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
891 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
894 * loop-iv.c: Revert last change.
895 * emit-rtl.c: Likewise.
897 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
900 * config/i386/i386.c (type_natural_mode): Remove an extra
901 space in the warning message.
902 (function_value_32): Handle 32-byte vector modes.
903 (return_in_memory_32): Likewise.
905 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
907 * loop-iv.c (truncate_value): New function.
908 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
910 (lowpart_subreg): Move to...
911 * emit-rtl.c: ...here.
913 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
915 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
916 accidental and undocumented change at revision 140860.
918 2009-02-21 Joseph Myers <joseph@codesourcery.com>
920 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
921 take gimple_seq * arguments.
922 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
923 types_compatible_p langhook.
925 2009-02-20 Mark Mitchell <mark@codesourcery.com>
926 Joseph Myers <joseph@codesourcery.com>
928 * config/arm/arm.c (arm_builtin_va_list): New function.
929 (arm_expand_builtin_va_start): Likewise.
930 (arm_gimplify_va_arg_expr): Likewise.
931 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
932 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
933 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
934 (va_list_type): New variable.
935 (arm_mangle_type): Mangle va_list_type appropriately.
937 2009-02-20 Jakub Jelinek <jakub@redhat.com>
940 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
941 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
942 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
943 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
944 parameter to 1000 for -O1 by default.
945 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
947 * loop-invariant.c: Include params.h.
948 (move_loop_invariants): Don't call move_single_loop_invariants on
951 2009-02-20 Jaka Mocnik <jaka@xlab.si>
953 * calls.c (emit_library_call_value_1): Use slot_offset instead of
954 offset when calculating bounds for indexing stack_usage_map. Fixes
955 a buffer overflow with certain target setups.
957 2009-02-20 Jakub Jelinek <jakub@redhat.com>
960 * calls.c (expand_call): Clear try_tail_call if caller and callee
961 disagree in promotion of function return value.
963 2009-02-19 Jakub Jelinek <jakub@redhat.com>
966 * c-common.c (c_determine_visibility): If visibility changed and
967 DECL_RTL has been already set, call make_decl_rtl to update symbol
970 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
973 * varasm.c (assemble_variable): Don't check DECL_NAME when
974 globalizing a variable.
976 2009-02-19 Joseph Myers <joseph@codesourcery.com>
979 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
980 expression before any __builtin_trap call.
981 * c-typeck.c (build_function_call): Convert and check function
982 arguments before generating a call to a trap. Evaluate the
983 function arguments before the trap.
985 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
988 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
989 (UNSPEC_FXAM_MEM): New unspec.
990 (fxam<mode>2_i387_with_temp): New insn and split pattern.
991 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
992 memory using fxam<mode>2_i387_with_temp to remove excess precision.
994 2009-02-19 Richard Guenther <rguenther@suse.de>
996 PR tree-optimization/39207
997 PR tree-optimization/39074
998 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
999 storedanything_tree): New.
1000 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1001 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1002 (build_succ_graph): Add edges from STOREDANYTHING to all
1004 (init_base_vars): Initialize STOREDANYTHING.
1005 (compute_points_to_sets): Free substitution info after
1006 building the succ graph.
1007 (ipa_pta_execute): Likewise.
1009 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1011 (do_ds_constraint): Do not add to special var or non-pointer
1013 (type_could_have_pointers): Split out from ...
1014 (could_have_pointers): ... here. For arrays use the element type.
1015 (create_variable_info_for): Initialize may_have_pointers.
1016 (new_var_info): Likewise.
1017 (handle_lhs_call): Make the HEAP variable unknown-sized.
1018 (intra_create_variable_infos): Use a type with pointers for
1019 PARM_NOALIAS, make it unknown-sized.
1021 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1024 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1026 2009-02-18 Jason Merrill <jason@redhat.com>
1029 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1030 value if DECL_EXTERNAL.
1031 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1032 * target.h (gcc_target::binds_local_p): Clarify "module".
1033 * tree.h (TREE_PUBLIC): Clarify "module".
1035 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1038 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1039 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1041 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1044 * c.opt (Wabi): Support C and ObjC.
1047 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1049 * config/i386/i386.c (classify_argument): Warn once about the ABI
1050 change when passing union with long double.
1052 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1054 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1057 * c-parser.c (c_parser_compound_statement): Always enter and leave
1060 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1063 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1065 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1067 PR tree-optimization/36922
1068 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1069 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1072 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1074 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1077 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1079 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1081 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1083 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1086 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1087 Richard Sandiford <rdsandiford@googlemail.com>
1089 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1090 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1091 (loongson_biadd): ...this.
1093 2009-02-17 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/39202
1096 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1097 a var make sure to follow existing collapses.
1099 2009-02-17 Richard Guenther <rguenther@suse.de>
1102 * langhooks.c (lhd_print_error_function): Check for NULL block.
1104 2009-02-17 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/39204
1107 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1110 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1112 * config/soft-fp/double.h: Update from glibc CVS.
1114 2009-02-17 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/39207
1117 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1118 strict-aliasing warnings for pointers pointing to NULL.
1120 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1123 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1124 skipping until next close brace.
1126 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1129 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1130 to function argument boundary.
1132 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1134 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1135 in the lea_add. Reload eventually constraints it properly.
1136 * config/picochip/constraints.md : Remove the target constraint
1137 "b", since it is not needed anymore.
1139 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1141 * gthr-dce.h: Uglify function parameter and local variable names.
1142 * gthr-gnat.h: Likewise.
1143 * gthr-mipssde.h: Likewise.
1144 * gthr-nks.h: Likewise.
1145 * gthr-posix95.h: Likewise.
1146 * gthr-posix.h: Likewise.
1147 * gthr-rtems.h: Likewise.
1148 * gthr-single.h: Likewise.
1149 * gthr-solaris.h: Likewise.
1150 * gthr-tpf.h: Likewise.
1151 * gthr-vxworks.h: Likewise.
1152 * gthr-win32.h: Likewise.
1154 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1157 * config/i386/i386.md: Restrict the new peephole2 to move
1158 between MMX/SSE registers.
1160 2009-02-15 Richard Guenther <rguenther@suse.de>
1163 2009-02-13 Richard Guenther <rguenther@suse.de>
1165 * configure.ac: Enable LFS.
1166 * configure: Re-generate.
1167 * config.in: Likewise.
1169 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1171 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1172 spu_srqwbyte, spu_srqwbytebc): Define.
1173 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1174 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1175 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1176 "shrqby_<mode>"): New insn-and-split patterns.
1177 * config/spu/spu.c (expand_builtin_args): Determine and return
1178 number of operands using spu_builtin_description data.
1179 (spu_expand_builtin_1): Use it.
1181 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1184 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1187 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1190 * config/i386/i386.c (override_options): Correct warning
1191 messages for -malign-loops, -malign-jumps and -malign-functions.
1193 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1196 * config/i386/i386.md: Restrict the new peephole2 to move
1197 between the general purpose registers.
1199 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1202 * config/i386/i386.c (type_natural_mode): Add a new argument.
1203 Return the original mode and warn ABI change if vector size is 32byte.
1204 (function_arg_advance): Updated.
1205 (function_arg): Likewise.
1206 (ix86_function_value): Likewise.
1207 (ix86_return_in_memory): Likewise.
1208 (ix86_sol10_return_in_memory): Likewise.
1209 (ix86_gimplify_va_arg): Likewise.
1210 (function_arg_32): Don't warn ABX ABI change here.
1211 (function_arg_64): Likewise.
1213 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1215 * loop-iv.c (implies_p): In the final case, test that operands 0
1216 of the two comparisons match.
1218 * config/bfin/bfin.c (find_prev_insn_start): New function.
1219 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1220 (find_next_insn_start): Move.
1222 2009-02-13 Richard Guenther <rguenther@suse.de>
1224 * configure.ac: Enable LFS.
1225 * configure: Re-generate.
1226 * config.in: Likewise.
1228 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1231 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1232 sizes on syntax error after some arguments have been parsed.
1234 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1236 * doc/invoke.texi (-fira): Remove.
1238 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1240 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1241 * recog.c: Likewise.
1244 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1246 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1247 (umul_ppmm): Likewise.
1248 (count_leading_zeros): Likewise.
1249 (count_trailing_zeros): Likewise.
1250 (UMUL_TIME): Likewise.
1252 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1254 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1255 soft-fp/t-softfp to tmake_file.
1257 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1258 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1259 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1260 IA64_BUILTIN_INFQ]: New.
1261 (ia64_init_builtins): Initialize __builtin_infq,
1262 __builtin_fabsq and __builtin_copysignq if not HPUX.
1263 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1264 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1266 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1268 (__fixtfti): Likewise.
1269 (__fixunstfti): Likewise.
1270 (__floattitf): Likewise.
1272 * config/ia64/libgcc-glibc.ver: New.
1273 * config/ia64/t-fprules-softfp: Likewise.
1274 * config/ia64/sfp-machine.h: Likewise.
1276 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1277 (LIBGCC2_TF_CEXT): Likewise.
1278 (TF_SIZE): Likewise.
1279 (TARGET_INIT_LIBFUNCS): Likewise.
1281 * config/ia64/t-glibc (SHLINB_MAPFILES):
1282 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1284 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1286 * config/i386/i386.c (construct_container): Rewrite processing
1287 BLKmode with X86_64_SSE_CLASS.
1289 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1292 * config/i386/i386.md: Replace simplify_replace_rtx with
1293 replace_rtx in the new peephole2.
1295 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1297 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1298 loop unrolling do not happen at -O2.
1300 2009-02-12 Michael Matz <matz@suse.de>
1302 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1304 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1306 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1309 2009-02-12 Ben Elliston <bje@au.ibm.com>
1311 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1312 patterns when updating the back chain. Missed in the 2009-02-10
1315 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1317 * doc/extend.texi (Decimal Floating Types): Update identifier of
1318 draft TR and list of missing support.
1320 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1323 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1324 bit to variable length decl's flags, add it also to its
1325 pointer replacement variable.
1327 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1328 Jakub Jelinek <jakub@redhat.com>
1331 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1332 (memory_blockage): New expander.
1333 (*memory_blockage): New insn pattern.
1334 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1335 instead of general blockage at the end of function prologue when
1336 frame pointer is used to access red zone area. Do not emit blockage
1337 when profiling, it is emitted in generic code.
1338 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1339 function epilogue when frame pointer is used to access red zone area.
1341 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1344 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1345 by arithmetic with memory operands.
1346 * config/i386/predicates.md (commutative_operator): New.
1348 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1350 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1353 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1355 * alias.h (record_alias_subset): Declare.
1356 * alias.c (record_alias_subset): Make global.
1358 2009-02-10 Nick Clifton <nickc@redhat.com>
1360 * tree-parloops.c: Change license to GPLv3.
1361 * ipa-struct-reorg.c: Change license to GPLv3.
1362 * ipa-struct-reorg.h: Change license to GPLv3.
1364 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1367 * c-decl.c (start_struct): Return NULL on error.
1369 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1372 * cfgloopmanip.c (remove_path): Call remove_bbs after
1373 cancel_loop_tree, not before it.
1376 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1377 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1378 VAR_DECLs were seen.
1379 * tree-ssa-live.c (remove_unused_locals): Recompute
1380 cfun->has_local_explicit_reg_vars.
1381 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1382 copies or clearings if cfun->has_local_explicit_reg_vars.
1384 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1387 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1388 of function prologue when frame pointer is used to access
1391 2009-02-10 Richard Guenther <rguenther@suse.de>
1394 * gimplify.c (gimple_regimplify_operands): Always look if
1395 we need to create a temporary.
1397 2009-02-10 Richard Guenther <rguenther@suse.de>
1399 PR tree-optimization/39132
1400 * tree-loop-distribution.c (todo): New global var.
1401 (generate_memset_zero): Trigger TODO_rebuild_alias.
1402 (tree_loop_distribution): Return todo.
1404 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1407 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1408 (x86_64_reg_class_name): Removed.
1409 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1410 first one isn't X86_64_SSE_CLASS or any other ones aren't
1411 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1412 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1413 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1414 and 3 X86_64_SSEUP_CLASS.
1415 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1416 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1418 2009-02-10 Ben Elliston <bje@au.ibm.com>
1420 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1421 form instruction to update the stack back chain word, even if the
1422 user has disabled the generation of update instructions.
1423 (movdi_<mode>_update_stack): New.
1424 (movsi_update_stack): Likewise.
1425 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1426 always use an update form instruction to update the stack back
1429 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1432 * graphite.c (if_region_set_false_region): After moving a region in
1433 the false branch of a condition, remove the empty dummy basic block.
1434 (gloog): Remove wrong fix for PR38953.
1436 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1438 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1439 generation due to implicit sign extension.
1441 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1444 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1445 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1447 2009-02-09 Richard Guenther <rguenther@suse.de>
1450 * convert.c (convert_to_real): Disable (float)fn((double)x)
1451 to fnf(x) conversion if errno differences may occur and
1452 -fmath-errno is set.
1454 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1456 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1457 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1458 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1460 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1463 * c-common.c (handle_alias_attribute): Disallow attribute for
1464 anything not a FUNCTION_DECL or VAR_DECL.
1466 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1469 * real.c (do_compare): Special-case compare of zero against
1470 decimal float value.
1472 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1475 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1476 as indicating flexible array members unless the field itself is
1477 being declarared as the incomplete array.
1479 2009-02-06 Jan Hubicka <jh@suse.cz>
1481 PR tree-optimization/38844
1482 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1485 2009-02-06 Richard Guenther <rguenther@suse.de>
1488 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1489 fork because we may expand it as __gcov_fork.
1491 2009-02-06 Nick Clifton <nickc@redhat.com>
1493 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1495 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1497 PR tree-optimization/35659
1498 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1499 vn_phi_eq): Shortcut if hashcode does not match.
1500 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1502 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1503 and avoid iterative_hash_expr.
1504 (FOR_EACH_VALUE_ID_IN_SET): New.
1505 (value_id_compare): Remove.
1506 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1507 sort expressions by value id.
1509 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1512 * config/sh/predicates.md (general_movsrc_operand): Don't check
1513 the subreg of system registers here.
1515 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1518 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1521 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1523 PR rtl-optimization/39110
1524 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1525 addresses, not aligned ones.
1527 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1528 Richard Guenther <rguenther@suse.de>
1530 PR tree-optimization/39100
1531 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1532 comment says and add edges.
1534 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1537 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1538 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1540 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1542 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1543 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1544 register_bb_in_sese, new_sese, free_sese): Moved.
1545 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1546 outermost_loop_in_scop, build_scop_iteration_domain,
1547 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1548 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1549 Use loop_in_sese_p instead of loop_in_scop_p.
1550 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1551 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1552 (scopdet_basic_block_info): Fix bug in scop detection.
1553 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1554 eq_loop_to_cloog_loop): Remove.
1555 (nb_loops_around_loop_in_scop, nb_loop
1556 ref_nb_loops): Moved here...
1557 * graphite.h (ref_nb_loops): ... from here.
1558 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1559 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1560 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1561 * testsuite/gcc.dg/graphite/scop-19.c: New
1563 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1564 Hans-Peter Nilsson <hp@axis.com>
1566 PR rtl-optimization/37889
1567 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1568 Move offset handling from PLUS to before the switch. Use new
1569 arguments when considering SYMBOL_REFs too.
1570 (rtx_addr_can_trap_p): Pass dummy offset and size.
1571 (enum may_trap_p_flags): Remove.
1572 (may_trap_p_1): Pass size from MEM_SIZE.
1574 PR rtl-optimization/38921
1575 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1576 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1577 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1578 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1580 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1582 AVX Programming Reference (January, 2009)
1583 * config/i386/sse.md (*vpclmulqdq): New.
1585 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1587 PR tree-optimization/38977
1588 PR gcov-profile/38292
1589 * calls.c (special_function_p): Disregard __builtin_ prefix.
1591 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1593 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1594 non-indexable addresses even before reload.
1596 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1599 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1600 as having variable size. Do not give an error for unnamed
1601 parameters with [*] declarators. Give a warning for type names
1602 with [*] declarators and mark them as variable size.
1603 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1604 for sizeof applied to [*] type names.
1606 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1609 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1611 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1613 * gcc.c (process_command): Update copyright notice dates.
1614 * gcov.c (print_version): Likewise.
1615 * gcov-dump.c (print_version): Likewise.
1616 * mips-tfile.c (main): Likewise.
1617 * mips-tdump.c (main): Likewise.
1619 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1622 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1623 for composite type involving a zero-length array type.
1625 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1628 * function.c (match_asm_constraints_1): Skip over
1629 initial optional % in the constraint.
1632 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1633 supported, don't accept FIXED_CSTs.
1634 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1635 and _Sat is used without _Fract/_Accum. Set specs->type to
1636 integer_type_node for cts_fract/cts_accum if fixed point is not
1639 2009-02-02 Catherine Moore <clm@codesourcery.com>
1641 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1643 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1645 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1646 (ABI_HAS_64BIT_SYMBOLS): Use it.
1647 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1649 2009-02-02 Paul Brook <paul@codesourcery.com>
1651 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1653 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1656 * recog.h (asm_operand_ok): Add constraints argument.
1657 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1658 recurse on matching constraint.
1659 (check_asm_operands): Pass constraints as 3rd argument to
1660 asm_operand_ok. Don't look up matching constraint here.
1661 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1664 2009-02-02 Ben Elliston <bje@au.ibm.com>
1666 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1667 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1669 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1671 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1672 information. Remove some obsolete information. Reorganize.
1674 * config/pa/fptr.c: Revert license to GPL 2.
1675 * config/pa/milli64.S: Likewise.
1677 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1680 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1681 LIBRARY name in, instead of hard-coding it.
1682 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1683 extra target make frag to tmake_files according to EH model.
1684 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1685 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1686 frags that define makefile variable EH_MODEL appropriately.
1687 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1688 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1689 to "-sjlj" according to type of EH configured.
1690 (LIBGCC_SONAME): Concatenate it to shared library base name.
1691 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1692 to "_sjlj" according to type of EH configured.
1693 (LIBGCC_SONAME): Concatenate it to shared library base name.
1694 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1695 (SHLIB_LINK): Add missing semicolon to if-else construct.
1696 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1697 string value of "pe_dll" command-line option.
1698 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1699 (SHLIB_SONAME): Use it when overriding t-cygming default.
1700 (SHLIB_IMPLIB): Override t-cygming default.
1701 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1702 string value of "pe_dll" command-line option.
1704 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1707 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1708 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1710 2009-01-31 Richard Guenther <rguenther@suse.de>
1712 PR tree-optimization/38937
1713 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1714 computing the transitive closure.
1716 2009-01-30 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/39041
1719 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1720 Propagate variable indices only if the types match for this stmt.
1722 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1725 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1726 inline but never defined.
1728 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1730 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1731 (*insv_h_di_reg_extimm): New insn.
1732 (*insv_l<mode>_reg_extimm): New insn.
1734 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1736 * config/picochip/picochip.c (flag_conserve_stack): set
1737 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1738 fconserve-stack. Reduce call-overhead used by inliner.
1740 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1743 * common.opt (flag_conserve_stack): Initialised to zero.
1745 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1748 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1749 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1752 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1754 * ira-color.c (allocno_reload_assign): Update comments.
1755 * regmove.c (regmove_optimize): Likewise.
1759 2009-01-29 Robert Millan <rmh@aybabtu.com>
1761 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1762 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1763 `MD_UNWIND_SUPPORT'.
1764 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1766 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1768 PR tree-optimization/39007
1769 * tree-loop-distribution.c (generate_builtin): Use
1770 recompute_dominator to compute the immediate dominator of the
1771 basic block just after the loop.
1773 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1775 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1776 (ASM_OUTPUT_DWARF_PCREL): Define.
1778 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1780 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1781 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1782 global. Modify entries about regmove and IRA.
1784 * ra-conflict.c: Remove the file.
1786 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1788 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1789 (pass_regclass_init): Rename to pass_reginfo_init.
1791 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1793 * toplev.h (flag_ira): Remove.
1795 * caller-save.c (setup_save_areas): Remove flag_ira.
1797 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1799 * global.c: Remove the file.
1801 * opts.c: (decode_options): Remove flag_ira.
1803 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1805 * regmove.c: Modify file description.
1806 (find_use_as_address, try_auto_increment): Define them only if
1807 AUTO_INC_DEC is defined.
1808 (replacement_quality, replace_in_call_usage, fixup_match_1,
1809 stable_and_no_regs_but_for_p): Remove.
1810 (reg_set_in_bb): Make it static.
1811 (regmove_optimize): Remove flag_ira and code which worked for
1814 * local-alloc.c: Remove the file.
1816 * common.opt (fira): Remove.
1818 * ira.c: Include except.h.
1819 (eliminable_regset): Move from global.c.
1820 (mark_elimination): Ditto. Remove flag_ira.
1821 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1822 equiv_mem_modified, validate_equiv_mem_from_store,
1823 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1824 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1825 no_equiv, recorded_label_ref): Move from local-alloc.c.
1826 (update_equiv_regs): Ditto. Make it static.
1827 (print_insn_chain, print_insn_chains): Move it from global.c.
1828 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1829 (build_insn_chain): Ditto. Make it static.
1830 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1831 Rename to init_live_subregs.
1832 (gate_ira): Remove flag_ira.
1834 * regclass.c: Rename reginfo.c. Change file description.
1835 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1836 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1837 (init_reg_sets_1): Remove code for evaluation of
1838 reg_class_superclasses and losing_caller_save_reg_set.
1839 (init_regs): Remove init_reg_autoinc.
1840 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1841 ok_for_base_p_nonstrict): Remove.
1842 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1843 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1844 corresponding entries.
1845 (dump_regclass, record_operand_costs, scan_one_insn,
1846 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1847 record_address_regs, auto_inc_dec_reg_p): Remove.
1848 (gt-regclass.h): Rename to gt-reginfo.h.
1850 * rtl.h (dump_global_regs, retry_global_alloc,
1851 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1853 * Makefile.in (RA_H): Remove.
1854 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1855 Rename regclass.o to reginfo.o.
1856 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1858 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1859 (GTFILES): Rename regclass.c to reginfo.c.
1861 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1862 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1864 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1865 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1867 (finish_spills): Ditto. Remove code for !flag_ira.
1869 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1872 * doc/invoke.texi (rtl debug options): Complete rewrite.
1873 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1875 * mode-switching.c (pass_mode_switching): Rename pass from
1876 "mode-sw" to "mode_sw".
1877 * except.c (pass_convert_to_eh_ranges): Rename pass from
1878 "eh-ranges" to "eh_ranges".
1879 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1883 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1884 Alexander Monakov <amonakov@ispras.ru>
1887 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1889 (move_exprs_to_boundary): Change return type and pass through
1890 should_move from move_op. Relax assert. Update usage ...
1891 (schedule_expr_on_boundary): ... here. Use should_move instead of
1893 (move_op_orig_expr_found): Indicate that insn was disconnected from
1895 (code_motion_process_successors): Do not call after_merge_succs
1896 callback if original expression was not found when traversing any of
1898 (code_motion_path_driver): Change return type. Update prototype.
1899 (move_op): Update comment. Add a new parameter (should_move). Update
1900 prototype. Set *should_move based on indication provided by
1901 move_op_orig_expr_found.
1903 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1905 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1906 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1907 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1908 * config/rs6000/rs6000.c (rs6000_override_options): Default
1909 avoid-indexed-addresses on for Power6, off for everything else.
1910 (avoiding_indexed_address_p): New function.
1911 (rs6000_legitimize_address): Use it.
1912 (rs6000_legitimate_address): Likewise.
1913 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1915 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1917 PR tree-optimization/38997
1918 * tree-loop-distribution.c (generate_memset_zero): Use
1919 POINTER_PLUS_EXPR for a pointer addition.
1921 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1923 * config/s390/s390.md (bswap<mode>2): New pattern added.
1925 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1927 * config/s390/s390.md (*tls_load_31): Added type attribute.
1929 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1931 * config/s390/s390.md: Fix a few comments.
1933 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1935 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1936 (*tm<mode>_full): Fixed z10prop attribute.
1937 (*tst<mode>_extimm): Fixed z10prop attribute.
1938 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1939 (*tstqiCCT_cconly): Fixed z10prop attribute.
1940 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1941 (*movsi_larl): Fixed z10prop attribute.
1942 (*movsi_zarch): Fixed z10prop attribute.
1943 (*movsi_eas): Fixed z10prop attribute.
1944 (*movhi): Fixed z10prop attribute.
1945 (*movqi): Fixed z10prop attribute.
1946 (*movstrictqi): Fixed z10prop attribute.
1947 (*mov<mode>): Fixed z10prop attribute.
1948 (*movcc): Fixed z10prop attribute.
1949 (*sethighpartdi_64): Fixed z10prop attribute.
1950 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1951 (*negdi2_sign_cc): Fixed z10prop attribute.
1952 (*negdi2_sign): Fixed z10prop attribute.
1953 (*absdi2_sign_cc): Fixed z10prop attribute.
1954 (*absdi2_sign): Fixed z10prop attribute.
1955 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1956 (*negabsdi2_sign): Fixed z10prop attribute.
1957 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1958 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1959 (doloop_si64): Fixed z10prop attribute.
1960 (doloop_si31): Fixed z10prop attribute.
1961 (doloop_long): Fixed z10prop attribute.
1962 (indirect_jump): Fixed z10prop attribute.
1963 (nop): Fixed z10prop attribute.
1964 (main_base_64): Fixed z10prop attribute.
1965 (reload_base_64): Fixed z10prop attribute.
1967 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1969 PR rtl-optimization/38740
1970 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1972 * config/mips/mips.c (mips_reorg): Likewise.
1974 2009-01-28 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/38926
1977 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1978 with the correct value id to a value.
1979 (do_regular_insertion): Use the value number of edoubleprime
1980 for the value number of the expr.
1983 2008-08-21 Richard Guenther <rguenther@suse.de>
1985 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1986 a PHI ask VN if it is already available.
1987 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1988 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1990 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1993 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1994 set to varying whenever max has TREE_OVERFLOW set, similarly
1995 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1997 2009-01-28 Richard Guenther <rguenther@suse.de>
2000 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2001 uninitialized aggregate uses in call arguments.
2003 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2005 PR tree-optimization/38984
2006 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2007 the nothing_id variable if -fno-delete-null-pointer-checks.
2009 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2012 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2013 (set_got_offset_rex64): Ditto.
2015 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2018 * doc/extend.texi: Improve local variable with asm reg.
2020 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2022 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2023 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2024 was not supplied then set warn_packed_bitfield_compat to the
2026 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2029 2009-01-27 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/38503
2032 * cfgexpand.c (expand_gimple_basic_block): Ignore
2033 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2034 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2035 variables that cannot have TBAA applied.
2036 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2039 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2042 * calls.c (initialize_argument_information): Do not wrap complex
2043 arguments in SAVE_EXPR.
2045 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2047 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2048 (INSTALL_LIBGCC): Revert typo commit.
2050 2009-01-26 Richard Guenther <rguenther@suse.de>
2052 PR tree-optimization/38745
2053 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2054 from special handling.
2056 2009-01-26 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/38745
2059 * tree-ssa.c (execute_update_addresses_taken): Do not include
2060 variables that cannot possibly be a register in not_reg_needs.
2061 Do not clear TREE_ADDRESSABLE on vars that may not become
2063 * tree-ssa.c (update_alias_info_1): Include those in the set
2064 of addressable vars.
2066 2009-01-26 Richard Guenther <rguenther@suse.de>
2069 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2070 * tree-ssa-dse.c: Include langhooks.h
2071 (execute_simple_dse): Remove stores with zero size.
2073 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2076 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2079 2009-01-24 Julian Brown <julian@codesourcery.com>
2081 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2082 config/arm/linux-atomic.c.
2083 * config/arm/linux-atomic.c: New.
2085 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2087 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2088 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2089 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2091 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2094 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2097 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2099 PR tree-optimization/38953
2100 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2101 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2102 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2103 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2106 2009-01-24 Paul Brook <paul@codesourcery.com>
2108 * config/arm/neon.md (neon_type): Move to arm.md.
2109 (neon_mov<VSTRUCT>): Add neon_type attribute.
2110 * config/arm/arm.md (neon_type): Move to here.
2111 (conds): Add "unconditioal" and use as default for NEON insns.
2113 2009-01-24 Ben Elliston <bje@au.ibm.com>
2115 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2116 void *' warning from -Wc++-compat.
2117 * Makefile.in (dominance.o-warn): Remove.
2119 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2121 PR tree-optimization/38932
2122 * fold-const.c (fold_unary_ignore_overflow): New.
2123 * tree.h (fold_unary_ignore_overflow): Declare.
2124 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2125 * tree-ssa-sccvn.c (visit_reference_op_load,
2126 simplify_unary_expression): Likewise.
2128 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2130 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2131 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2132 regardless of their type.
2133 * c-common.c (handle_packed_attribute): Don't ignore packed on
2135 * c.opt (Wpacked-bitfield-compat): New warning option.
2136 * stor-layout.c (place_field): Warn if offset of a field changed.
2137 * doc/extend.texi (packed): Mention the ABI change.
2138 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2139 (Warning Options): Add it to the list.
2141 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2143 * c-opts.c (c_common_post_options): Fix a typo in comments.
2145 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2148 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2149 variables to static.
2150 * doc/invoke.texi (-fmerge-all-constants): Update description.
2152 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2155 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2156 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2158 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2160 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2162 (LOCAL_ALIGNMENT): Similarly.
2164 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2165 Joseph Myers <joseph@codesourcery.com>
2167 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2168 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2169 * config/arm/arm-tune.md: Regenerate.
2170 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2173 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2175 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2176 version number to five.
2178 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2181 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2182 * c-common.c (set_underlying_type): Likewise.
2183 (is_typedef_decl ): Likewise
2185 (set_underlying_type): Likewise.
2186 (is_typedef_type): Likewise.
2188 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2191 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2194 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2197 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2198 (LIBGCC_SPEC): Don't define.
2199 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2201 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2203 PR rtl-optimization/38879
2204 * alias.c (base_alias_check): Unaligned access via AND address can
2205 alias all surrounding object types except those with sizes equal
2206 or wider than the size of unaligned access.
2208 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2211 * c-decl.c: (clone_underlying_type): Move this ...
2212 * c-common.c (set_underlying_type): ... here.
2213 Also, make sure the function properly sets TYPE_STUB_DECL() on
2214 the newly created typedef variant type.
2215 (is_typedef_decl ): New entry point.
2216 * tree.h: Added a new member member_types_needing_access_check to
2217 struct tree_decl_non_common.
2218 (set_underlying_type): New entry point.
2219 (is_typedef_type): Likewise.
2221 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2223 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2224 Check whether two instructions have memory references that
2225 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2226 are helper functions for traversing.
2227 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2228 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2229 not to draw dependency edge for instructions with non-conflicting
2232 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2235 * longlong.h: Update copyright years. Use soft-fp license notice.
2236 Sync __clz_tab declaration with glibc.
2238 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2241 * doc/extend.texi (syscall_linkage): New.
2242 (version_id): Modify.
2244 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2245 Richard Guenther <rguenther@suse.de>
2247 PR tree-optimization/38747
2248 PR tree-optimization/38748
2249 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2250 conversion if the base address is an indirect reference and the
2251 aliasing sets could cause issues.
2253 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2255 * common.opt (fgraphite, fgraphite-identity): Add comment for
2256 explaining why these options are not documented.
2258 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2260 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2261 gimple_call_lhs is NULL.
2263 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2266 * emit-rtl.c (adjust_address_1): Make sure memref is never
2269 2009-01-20 Ben Elliston <bje@au.ibm.com>
2271 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2272 const qualifier from arg parameter. Remove unnecessary cast to char *.
2273 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2274 const qualifier from arg 2.
2276 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2278 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2280 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2283 * rtl.h (reinit_regs): New prototype.
2284 * regclass.c: Include ira.h.
2286 * Makefile.in (regclass.o): Add ira.h.
2287 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2289 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2292 * c-common.c (handle_aligned_attribute): Use
2293 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2294 default alignment value.
2296 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2298 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2299 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2301 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2302 __BIGGEST_ALIGNMENT__.
2304 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2306 2009-01-18 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/38819
2309 * tree-flow.h (operation_could_trap_helper_p): Declare.
2310 * tree-eh.c (operation_could_trap_helper_p): Export.
2311 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2312 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2313 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2314 are about to insert a possibly trapping instruction and fail
2317 2009-01-18 Andreas Schwab <schwab@suse.de>
2319 * doc/install.texi (Configuration): Remove obsolete paragraph
2320 about use of --with-gnu-ld with --with-gnu-as.
2322 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2324 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2325 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2326 Follow spelling conventions.
2328 2009-01-18 Ben Elliston <bje@au.ibm.com>
2330 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2331 C++ warning about implicit conversion from void * to struct
2333 (bitmap_obstack_free): Likewise for bitmap_element *.
2334 * Makefile.in (bitmap.o-warn): Remove.
2336 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2338 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2340 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2341 Tobias Grosser <tobi.grosser@amd.com>
2343 * graphite.c (graphite_trans_scop_block): Do not block single
2346 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2348 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2349 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2350 test with assertion.
2352 2009-01-16 Richard Guenther <rguenther@suse.de>
2354 PR tree-optimization/38835
2356 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2357 and INT + PTR -> (INT)(PTR p+ INT) folding.
2358 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2360 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2363 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2364 the subreg from a lowpart subreg if it is also casting the value.
2366 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2367 Tobias Grosser <tobi.grosser@amd.com>
2369 * graphite.c (compare_prefix_loops): New.
2370 (build_scop_canonical_schedules): Rewritten.
2371 (graphite_transform_loops): Move build_scop_canonical_schedules
2372 after build_scop_iteration_domain.
2374 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2375 Tobias Grosser <tobi.grosser@amd.com>
2377 * graphite.c (add_conditions_to_domain): Add the loops to
2378 the dimension of the iteration domain. Do copy the domain
2379 only when it exists.
2380 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2381 (add_conditions_to_constraints): New.
2382 (can_generate_code_stmt, can_generate_code): Removed.
2383 (gloog): Do not call can_generate_code.
2384 (graphite_transform_loops): Call add_conditions_to_constraints
2385 after building the iteration domain.
2387 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2389 PR tree-optimization/38789
2390 * tree-ssa-threadedge.c
2391 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2392 __builtin_constant_p.
2394 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2396 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2397 examined before deleting them.
2399 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2401 * function.c (aggregate_value_p): Correctly extract the function
2402 type from CALL_EXPR_FN lookup.
2404 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2406 * config/picochip/picochip.c (picochip_override_options): Revert
2407 CFI asm flag disable commited previously.
2409 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2410 Tobias Grosser <tobi.grosser@amd.com>
2411 Jan Sjodin <jan.sjodin@amd.com>
2413 * graphite.c (scan_tree_for_params): On substractions negate
2414 all the coefficients of the term.
2415 (clast_to_gcc_expression_red): New. Handle reduction expressions
2416 of more than two operands.
2417 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2418 (get_vdef_before_scop): Handle also the case of default definitions.
2420 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2422 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2423 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2424 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2426 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2427 Joey Ye <joey.ye@intel.com>
2430 * cfgexpand.c (expand_stack_alignment): Don't update stack
2431 boundary nor check incoming stack boundary here.
2432 (gimple_expand_cfg): Update stack boundary and check incoming
2433 stack boundary here.
2435 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2437 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2439 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2441 PR rtl-optimization/38245
2442 * calls.c (expand_call): Add stack arguments to
2443 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2444 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2445 in regs and partially in memory or BLKmode arguments.
2446 (emit_library_call_value_1): Add stack arguments to
2447 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2448 ACCUMULATE_OUTGOING_ARGS).
2449 * dce.c: Include tm_p.h.
2450 (find_call_stack_args): New function.
2451 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2453 (mark_insn): Call find_call_stack_args for CALL_Ps.
2454 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2455 forwards. Allocate and free arg_stores bitmap if needed, pass it
2456 down to deletable_insn_p, don't mark stores set in arg_stores
2457 bitmap, clear the bitmap at the beginning of each bb.
2458 * Makefile.in (dce.o): Depend on $(TM_P_H).
2460 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2463 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2464 to make sure the insn is a conditional test (bug 22599). Reformat a
2467 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2470 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2471 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2472 (gloog): Do not call cleanup_tree_cfg.
2473 (graphite_transform_loops): Call cleanup_tree_cfg after all
2474 scops have been code generated.
2476 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2477 * doc/gty.texi (Invoking the garbage collector): Added new node
2478 and section documenting ggc_collect.
2480 2009-01-14 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/38826
2484 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2485 initialization notes only if we actually emitted a warning.
2486 (intra_create_variable_infos): Add constraints for a result decl
2487 that is passed by hidden reference.
2488 (build_pred_graph): Mark all related variables non-direct on
2491 2009-01-14 Nick Clifton <nickc@redhat.com>
2493 * ira-conflicts.c: Include addresses.h for the definition of
2495 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2496 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2498 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2501 * Makefile.in (ira-lives.o): Add except.h.
2503 * ira-lives.c: Include except.h.
2504 (process_bb_node_lives): Process can_throw_internal.
2506 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2508 PR rtl-optimization/38774
2509 * combine.c (simplify_set): When undoing cc_use change, don't do
2510 PUT_CODE on the newly created comparison, but instead put back the
2513 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2515 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2516 values. Remove duplicate arm8 entry.
2518 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2520 PR tree-optimization/38786
2521 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2522 the SSA_NAME case of expand_scalar_variables_expr.
2523 Set the type of an expression to the type of its assign statement.
2524 (expand_scalar_variables_expr): Also gather the scalar computation
2525 used to index the memory access. Do not pass loop_p.
2526 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2527 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2528 the gimple_stmt_iterator where it inserts new code.
2530 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2531 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2533 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2535 * graphite.h (debug_value): Removed.
2536 * graphite.c (debug_value): Removed.
2538 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2540 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2541 ldrd/strd with two 32-bit instructions.
2543 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2545 * config/arm/arm.c (struct processors): Pass for speed down into
2546 cost helper functions.
2547 (const_ok_for_op): Handle COMPARE and inequality nodes.
2548 (arm_rtx_costs_1): Rewrite.
2549 (arm_size_rtx_costs): Update prototype.
2550 (arm_rtx_costs): Pass speed down to helper functions.
2551 (arm_slowmul_rtx_costs): Rework cost calculations.
2552 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2553 (arm_9e_rtx_costs): Likewise.
2555 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2557 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2558 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2559 (alpha_legitimize_address): Do not split local symbols wider than
2560 UNITS_PER_WORD into HIGH/LO_SUM parts.
2562 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2565 * gcc.c (process_command): Replace call to execvp with calls
2566 to pex_one and exit.
2568 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2571 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2572 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2573 variant for devices with 3-byte PC.
2574 (__tablejump_elpm__) : New.
2576 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2579 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2580 offsetof member-designator, handle it as `[0].'.
2582 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2584 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2585 function when not using named sections on targets with named sections
2586 if branch distance is less than 262132.
2588 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2590 * combine.c (combine_instructions): Recompute
2591 optimize_this_for_speed_p for each BB in the main combine loop.
2593 2009-01-12 Tomas Bily <tbily@suse.cz>
2596 * tree-loop-distribution.c (prop_phis): New function.
2597 (generate_builtin): Call prop_phis.
2598 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2600 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2602 PR tree-optimization/38807
2603 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2604 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2606 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2608 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2609 subreg of op0 to the original op0.
2611 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2613 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2615 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2618 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2619 starting with digits.
2621 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2624 * config/arm/arm.c (arm_is_long_call_p): Don't call
2625 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2627 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2629 * regrename.c (regrename_optimize): Fix dumping.
2630 (find_oldest_value_reg): Preserve REG_POINTER.
2631 (copy_hardreg_forward_1): Likewise.
2633 2009-01-09 Diego Novillo <dnovillo@google.com>
2635 * gimple.h (struct gimple_statement_base) <uid>: Document
2636 the restrictions on its use.
2638 (gimple_set_uid): Tidy.
2640 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2642 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2643 zero guard even if align_bytes != 0 and count is smaller than
2646 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2648 PR rtl-optimization/38495
2649 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2650 (add_range_and_copies_from_move_list): Print all added ranges.
2651 Add ranges to memory optimized destination.
2653 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2657 * config/i386/i386.c (override_options): Reject
2658 -mstringop-strategy=rep_8byte with -m32.
2659 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2660 to 1. Do count comparison against epilogue_size_needed at compile
2661 time even when count_exp was constant forced into register. For
2662 size_needed don't jump to epilogue, instead just avoid aligning
2663 and invoke the body algorithm. If need_zero_guard, add zero guard
2664 even if count is non-zero, but smaller than size_needed + number of
2665 bytes that could be stored for alignment.
2666 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2667 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2668 but smaller than size_needed + number of bytes that could be stored
2669 for alignment. Compare size_needed with epilogue_size_needed instead
2670 of desired_align - align, don't adjust size_needed, pass
2671 epilogue_size_needed to the epilogue expanders.
2674 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2676 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2678 * pa.c (last_address): Change to unsigned.
2679 (update_total_code_bytes): Change argument to unsigned. Don't
2680 check if insn addresses are set.
2681 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2682 addresses are not set.
2683 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2685 2009-01-09 Nick Clifton <nickc@redhat.com>
2687 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2688 DECL_DECLARED_INLINE_P.
2690 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2693 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2694 GET_MODE (op0) in operand_subword_force calls.
2697 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2698 fold_convert arg0 operands to TREE_TYPE (op0) first.
2700 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2702 * params.def (ira-max-conflict-table-size): Decrease default value
2705 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2707 PR tree-optimization/37031
2708 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2710 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2711 allocate it using gc instead of heap, use VEC_quick_push instead of
2713 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2714 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2715 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2716 allocated vector from heap allocated.
2717 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2718 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2719 vector only after perfect_loop_nest_depth call.
2721 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2722 Jan Sjodin <jan.sjodin@amd.com>
2724 PR tree-optimization/38559
2725 * graphite.c (debug_value, copy_constraint,
2726 swap_constraint_variables, scale_constraint_variable, ): New.
2727 (get_lower_bound, get_upper_bound): Removed.
2728 (graphite_trans_bb_strip_mine): Clean up this code that works
2729 only for constant number of iterations. Fully copy upper and
2730 lower bound constraints, not only the constant part of them.
2731 * graphite.h (debug_value): Declared.
2733 2009-01-08 Ira Rosen <irar@il.ibm.com>
2735 PR tree-optimization/37194
2736 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2737 Don't add the cost of cost model guard in prologue to scalar
2738 outside cost in case of known number of iterations.
2740 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2741 Alan Modra <amodra@bigpond.net.au>
2743 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2744 non-word-aligned REG+CONST addressing.
2746 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2749 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2750 free_after_compilation when outputting a thunk.
2751 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2752 Do not call free_after_compilation here.
2754 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2756 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2757 (ix86_valid_target_attribute_inner_p): Ditto.
2759 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2761 PR tree-optimization/38492
2762 PR tree-optimization/38498
2763 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2764 * tree-chrec.h (scev_is_linear_expression): Declared.
2765 * graphite.c (graphite_cannot_represent_loop_niter): New.
2766 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2767 (graphite_loop_normal_form): Use gcc_assert.
2768 (scan_tree_for_params): Use CASE_CONVERT.
2769 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2770 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2771 Use gcc_assert. Discard scops that contain unhandled cases.
2772 (build_scop_conditions): Return a boolean status for unhandled cases.
2773 (strip_mine_profitable_p): Print the loop number, not its depth.
2774 (is_interchange_valid): Pass the depth of the loop nest, don't
2775 recompute it wrongly.
2776 (graphite_trans_bb_block): Same.
2777 (graphite_trans_bb_block): Print tentative of loop blocking.
2778 (graphite_trans_scop_block): Do not print that the loop has been
2780 (graphite_transform_loops): Do not handle scops that contain condition
2783 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2785 AVX Programming Reference (December, 2008)
2786 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2787 (_mm256_stream_pd): Likewise.
2788 (_mm256_stream_ps): Likewise.
2790 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2791 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2792 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2793 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2794 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2795 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2796 (ix86_expand_special_args_builtin): Likewise.
2798 * config/i386/sse.md (AVXMODEDI): New.
2799 (avx_movnt<mode>): Likewise.
2800 (avx_movnt<mode>): Likewise.
2801 (<sse>_movnt<mode>): Remove AVX support.
2802 (sse2_movntv2di): Likewise.
2804 2009-01-07 Richard Guenther <rguenther@suse.de>
2807 * fold-const.c (extract_muldiv): Remove obsolete comment.
2808 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2809 to PLUS_EXPR canonicalization for the canonicalization.
2811 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2813 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2814 hosted cross-compilers generating less efficient code.
2816 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2818 * function.h (rtl_data): Add a dbr_scheduled_p field.
2819 * reorg.c (dbr_schedule): Set it.
2820 (gate_handle_delay_slots): Check it.
2821 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2822 (mips_reorg): Check flag_delayed_branch instead of
2823 mips_base_delayed_branch.
2824 (mips_override_options): Don't set mips_base_delayed_branch
2825 or flag_delayed_branch.
2827 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2829 PR rtl-optimization/38426.
2830 * ira.c (ira): Set current_function_is_leaf earlier.
2832 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2834 PR rtl-optimization/38722
2835 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2836 too early, only set a flag and modify after last possible
2839 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2842 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2843 * real.c (decimal_single_format): Correct values of emin and emax.
2844 (decimal_double_format): Ditto.
2845 (decimal_quad_format): Ditto.
2846 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2847 computation of DECnn_MIN and DECnn_MAX for corrected values of
2848 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2849 __DECnn_MIN__, and adjust its computation for the corrected value
2852 2009-01-06 Jan Hubicka <jh@suse.cz>
2855 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2857 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2859 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2860 Add Robert Clark to the list of testers.
2862 2009-01-06 Jan Hubicka <jh@suse.cz>
2863 Kai Tietz <kai.tietz@onevision.com>
2865 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2866 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2868 2009-01-06 Jan Hubicka <jh@suse.cz>
2869 Kai Tietz <kai.tietz@onevision.com>
2871 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2873 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2874 (ix86_nsaved_regs): Count only general purpose regs.
2875 (ix86_nsaved_sseregs): New.
2876 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2877 to 16 for w64; compute padding and size of sse reg save area.
2878 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2879 general purpose regs.
2880 (ix86_emit_save_sse_regs_using_mov): New.
2881 (ix86_expand_prologue): Save SSE regs if needed.
2882 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2883 (ix86_emit_restore_sse_regs_using_mov): New.
2884 (ix86_expand_epilogue): Save SSE regs if needed.
2886 2009-01-06 Jan Hubicka <jh@suse.cz>
2887 Kai Tietz <kai.tietz@onevision.com>
2889 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2890 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2891 functions when accumulate outgoing args is off.
2893 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2896 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2897 before using pseudos_have_intersected_live_ranges_p.
2899 * ira-int.h (ira_assert): Always define.
2901 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2903 AVX Programming Reference (December, 2008)
2904 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2905 (_mm256_permute2_pd): Likewise.
2906 (_mm_permute2_ps): Likewise.
2907 (_mm256_permute2_ps): Likewise.
2908 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2909 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2911 * config/i386/i386.c (ix86_builtins): Remove
2912 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2913 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2914 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2915 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2916 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2917 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2918 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2919 __builtin_ia32_vpermil2ps256.
2920 (ix86_init_mmx_sse_builtins): Updated.
2921 (ix86_expand_args_builtin): Likewise.
2923 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2925 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2926 long absolute calls when generating PA 2.0 code.
2928 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2930 PR rtl-optimization/38583
2931 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2933 * params.def (ira-max-conflict-table-size): New.
2935 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2937 * ira.h (ira_conflicts_p): New external definition.
2939 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2940 table. Report this. Return result of building.
2941 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2942 building conflict table.
2944 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2945 (ira_color): Use ira_conflicts_p.
2947 * global.c: Include ira.h.
2948 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2951 * Makefile.in (global.o): Add ira.h.
2953 * ira-build.c (mark_all_loops_for_removal,
2954 propagate_some_info_from_allocno): New.
2955 (remove_unnecessary_allocnos): Call
2956 propagate_some_info_from_allocno.
2957 (remove_low_level_allocnos): New.
2958 (remove_unnecessary_regions): Add parameter. Call
2959 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2960 parameter to remove_unnecessary_regions.
2961 (ira_build): Remove all regions but root if the conflict table was
2962 not built. Update conflict hard regs for allocnos crossing calls.
2964 * ira.c (ira_conflicts_p): New global.
2965 (ira): Define and use ira_conflicts_p.
2967 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2968 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2969 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2971 2009-01-06 Ben Elliston <bje@au.ibm.com>
2973 * gengtype-lex.l (YY_NO_INPUT): Define.
2975 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2978 * c-common.c (handle_vector_size_attribute): Also reject
2981 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2983 PR tree-optimization/38492
2984 * graphite.c (rename_map_elt, debug_rename_elt,
2985 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2986 rename_map_elt_info, eq_rename_map_elts,
2987 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2988 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2989 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2990 (sese_build_livein_liveouts): New.
2991 (new_sese, free_sese): New.
2992 (new_scop): Call new_sese.
2993 (free_scop): Call free_sese.
2994 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2995 (register_old_new_names): Renamed register_old_and_new_names.
2996 (register_scop_liveout_renames, add_loop_exit_phis,
2997 insert_loop_close_phis, struct igp,
2998 default_liveout_before_guard, add_guard_exit_phis,
2999 insert_guard_phis, copy_renames): New.
3000 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3001 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3002 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3003 (scop_adjust_phis_for_liveouts): New.
3004 (gloog): Call scop_adjust_phis_for_liveouts.
3006 * graphite.h (struct sese): Documented. Added fields liveout,
3008 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3009 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3010 (struct scop): Added field liveout_renames.
3011 (SCOP_LIVEOUT_RENAMES): New.
3013 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3015 PR tree-optimization/38510
3016 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3017 (translate_clast): Call recompute_all_dominators before
3019 (gloog): Call recompute_all_dominators before graphite_verify.
3021 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3022 Jan Sjodin <jan.sjodin@amd.com>
3024 PR tree-optimization/38500
3025 * graphite.c (create_sese_edges): Call fix_loop_structure after
3028 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3030 * config.gcc: Add m32r*-*-rtems*.
3031 * config/m32r/rtems.h: New file.
3033 2009-01-05 Ben Elliston <bje@au.ibm.com>
3035 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3036 (.po.pox): Likewise.
3037 (po/gcc.pot): Likewise.
3039 2009-01-04 David S. Miller <davem@davemloft.net>
3041 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3042 (STARTING_FRAME_OFFSET): Always set to zero.
3044 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3046 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3047 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3048 fixed-point types, and vectors of the same.
3050 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3052 * config/mips/sync.md (*mb_barrier): Rename to...
3053 (*memory_barrier): ...this.
3055 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3057 * doc/extend.texi (Function Attributes): Move @cindex after @item
3058 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3059 and put in alphabetical order. Fix 'target' name and put in order.
3060 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3063 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3065 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3066 (memory_barrier): Expand as unspec instead of unspec_volatile.
3067 Remove mem:BLK from insn operands. Use Pmode scratch register.
3068 (*memory_barrier): Define as unspec instead of unspec_volatile.
3069 Use (match_dup 0) as input operand.
3071 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3072 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3073 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3074 scratch register. Remove operand 1.
3075 (*stbar): Define as unspec instead of unspec_volatile.
3076 Use (match_dup 0) as input operand, remove (const_int 8).
3077 (*membar): Define as unspec instead of unspec_volatile.
3078 Use (match_dup 0) as input operand, remove input operand 2.
3080 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3081 (memory_barrier): Expand as unspec instead of unspec_volatile.
3082 Remove mem:BLK from insn operands. Use Pmode scratch register.
3083 (*memory_barrier): Define as unspec instead of unspec_volatile.
3084 Use (match_dup 0) as input operand.
3086 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3087 Remove mem:BLK from insn operands. Use Pmode scratch register.
3088 Set volatile flag on operand 0.
3089 (*memory_barrier): New insn pattern.
3091 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3093 (*memory_barrier): Use (match_dup 0) as input operand.
3095 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3096 Remove mem:BLK from insn operands. Use Pmode scratch register.
3097 Set volatile flag on operand 0.
3098 (*mb_internal): New insn pattern.
3100 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3102 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3105 * function.c (struct temp_slot): Move to the section of the file
3106 that deals with temp slots. Remove field 'address'.
3107 (temp_slot_address_table): New hash table of address -> temp slot.
3108 (struct temp_slot_address_entry): New struct, items for the table.
3109 (temp_slot_address_compute_hash, temp_slot_address_hash,
3110 temp_slot_address_eq, insert_temp_slot_address): Support functions
3112 (find_temp_slot_from_address): Rewrite to use the new hash table.
3113 (remove_unused_temp_slot_addresses): Remove addresses of temp
3114 slots that have been made available.
3115 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3116 worker function for remove_unused_temp_slot_addresses.
3117 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3118 Add the temp slot address to the address -> temp slot map.
3119 (update_temp_slot_address): Update via insert_temp_slot_address.
3120 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3121 (pop_temp_slots): Likewise.
3122 (init_temp_slots): Allocate the address -> temp slot map, or empty
3123 the map if it is already allocated.
3124 (prepare_function_start): Initialize temp slot processing.
3126 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3129 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3130 Calculate the size of all stack vars assuming no packing of stack
3131 vars will happen, replacing a quadratic algorithm with a linear one.
3133 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3136 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3139 2009-01-03 Diego Novillo <dnovillo@google.com>
3141 * doc/contrib.texi: Update contributions.
3143 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3146 * builtins.c (fold_builtin_memory_op): Give up if either operand
3147 is volatile. Set srctype or desttype to non-qualified version
3151 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3154 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3156 PR rtl-optimization/35805
3157 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3158 problem if fast dce is able to remove any instructions.
3159 * dce.c (dce_process_block): Fix dump message.
3161 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3164 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3166 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3169 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3170 * tree-pretty-print.c (op_code_prio): New function.
3171 (op_prio): No longer static. Use op_code_prio.
3172 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3173 Use op_prio and op_code_prio to determine if () should be
3174 printed around operand(s) or not.
3176 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3177 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3178 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3179 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3180 pp_character instead of pp_string for single letter printing.
3182 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3184 * doc/extend.texi: Fix '#pragma GCC option' typo.
3186 2009-01-02 Richard Guenther <rguenther@suse.de>
3188 * doc/install.texi (--enable-checking): Mention different
3190 (--enable-stage1-checking): Document.
3192 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3195 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3196 case to be an error.
3198 2009-01-02 Ben Elliston <bje@au.ibm.com>
3200 * config/fp-bit.h (pack_d): Constify argument.
3201 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3202 (isnan): Constify argument.
3206 (_fpadd_parts): Constify return type.
3207 (_fpmul_parts): Likewise.
3208 (_fpdiv_parts): Likewise.
3210 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3213 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3214 warn about overwriting initializer with side-effects or
3215 -Woverride-init if !IMPLICIT.
3216 (output_init_element): Likewise. Pass IMPLICIT down to
3218 (process_init_element): Add IMPLICIT argument. Pass it down
3219 to output_init_element.
3220 (push_init_element, pop_init_level, set_designator): Adjust
3221 process_init_element callers.
3222 (set_nonincremental_init, set_nonincremental_init_from_string):
3223 Adjust add_pending_init callers.
3224 (output_pending_init_elements): Adjust output_init_element callers.
3225 * c-tree.h (process_init_element): Adjust prototype.
3226 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3227 process_init_element callers.