1 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4 2008-10-14 Jakub Jelinek <jakub@redhat.com>
6 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9 2009-03-17 Jing Yu <jingyu@google.com>
12 * function.h: Move is_thunk from rtl_data structure to function
14 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
15 * varasm.c (assemble_start_function): Change is_thunk from crtl to
17 * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
18 * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
19 * config/arm/arm.h: Change is_thunk from crtl to cfun.
21 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
24 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
25 from different units in a single alternative.
26 (*truncdfsf_i387): Ditto.
27 (*truncxfsf2_mixed): Ditto.
28 (*truncxfdf2_mixed): Ditto.
30 2009-03-17 Jakub Jelinek <jakub@redhat.com>
32 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
33 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
36 * tree-ssa-live.c (remove_unused_locals): Don't remove local
37 unused non-artificial variables when not optimizing.
40 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
41 DW_TAG_imported_module even if decl is IMPORTED_DECL with
42 NAMESPACE_DECL in its DECL_INITIAL.
45 * optabs.c (set_user_assembler_libfunc): New function.
46 * expr.h (set_user_assembler_libfunc): New prototype.
47 * c-common.c: Include libfuncs.h.
48 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
49 for memcmp, memset, memcpy, memmove and abort.
50 * Makefile.in (c-common.o): Depend on libfuncs.h.
53 * dwarf2out.c (gen_inlined_enumeration_type_die,
54 gen_inlined_structure_type_die, gen_inlined_union_type_die,
55 gen_tagged_type_instantiation_die): Removed.
56 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
59 2009-03-17 Janis Johnson <janis187@us.ibm.com>
62 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
64 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
65 (check-parallel-%): Ditto.
66 (check-consistency): Ditto.
68 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
70 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
71 local variable rhs by NULL_TREE.
73 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
76 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
78 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
81 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
83 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
86 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
87 for ms->sysv ABI calls only in 64bit mode.
89 * config/i386/i386.md (untyped_call): Support 32bit.
91 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
93 * doc/extend.texi: Replace x86_65 with x86_64.
95 2009-03-16 Jakub Jelinek <jakub@redhat.com>
97 PR tree-optimization/39455
98 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
99 mismatches for POINTER_TYPE_P (type).
100 (number_of_iterations_le): Likewise.
102 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
104 * config/picochip/picochip.c: Removed profiling support.
105 * config/picochip/picochip.md: Removed profiling instruction.
106 * config/picochip/picochip.h: Removed profiling builtin.
108 2009-03-16 Joseph Myers <joseph@codesourcery.com>
110 * doc/install.texi (--with-host-libstdcxx): Document.
112 2009-03-14 Anatoly Sokolov <aesok@post.ru>
115 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
116 generate a warning if the function name does not begin with
117 "__vector" and the function has either the 'signal' or 'interrupt'
118 attribute, from here to ...
119 (avr_declare_function_name): ...here. New function.
120 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
121 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
123 2009-03-14 Jakub Jelinek <jakub@redhat.com>
126 * cse.c (fold_rtx): Don't modify original const_arg1 when
127 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
128 separate variable instead.
129 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
130 from out of range shift counts.
131 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
133 2008-03-13 Catherine Moore <clm@codesourcery.com>
135 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
136 diagnostic.h with $(DIAGNOSTIC_H).
138 2008-03-12 Jakub Jelinek <jakub@redhat.com>
141 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
143 * config/i386/sync.md (sync_compare_and_swap<mode>,
144 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
145 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
147 (sync_double_compare_and_swapdi_pic,
148 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
149 cmpxchg8b_pic_memory_operand instead of just memory_operand.
151 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
154 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
156 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
159 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
160 (avx_addsubv4df3): Likewise.
161 (*avx_addsubv4sf3): Likewise.
162 (sse3_addsubv4sf3): Likewise.
164 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
167 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
169 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
172 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
173 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
174 registers for allocnos created from user-defined variables.
176 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
179 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
180 of non-integer mode as well.
182 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
184 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
185 for functions for which the parameter types are unknown.
187 2009-03-11 Jakub Jelinek <jakub@redhat.com>
190 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
191 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
192 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
193 * config/i386/i386.c (ix86_local_alignment): For
194 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
195 long long variables on the stack to avoid dynamic realignment.
196 Allow the first argument to be a decl rather than type.
197 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
199 2009-03-11 Nick Clifton <nickc@redhat.com>
202 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
204 Add description to mno-lsim option.
205 * config/mcore/mcore.h: Remove comment about deprecated m4align
207 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
208 * doc/invoke.texi: Add description of mno-lsim and
209 mstack-increment options.
211 * config/fr30/fr30.opt: Document the -mno-lsim option.
212 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
213 and -mno-lsim options.
215 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
217 * fold-const.c (fold_comparison): Only call fold_inf_compare
218 if the mode supports infinities.
220 2009-03-11 Jason Merrill <jason@redhat.com>
223 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
224 end already did. Notice GIMPLE_CALL modifications of the result.
225 Don't copy debug information from an ignored decl or a decl from
228 2009-03-10 Richard Guenther <rguenther@suse.de>
229 Nathan Froyd <froydnj@codesourcery.com>
232 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
233 (__divMODE3): Likewise.
235 2009-03-09 Jakub Jelinek <jakub@redhat.com>
237 PR tree-optimization/39394
238 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
239 DECL_SIZE_UNIT of variable length FIELD_DECLs.
241 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
243 * recog.c (verfiy_changes): Disallow renaming of hard regs in
244 inline asms for register asm ("") declarations.
246 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
248 * fold-const.c (fold_unary): Fix comment.
250 2009-03-07 Jan Hubicka <jh@suse.cz>
253 * tree-inline.c (setup_one_parameter): Do replacement of const argument
254 by constant in SSA form.
256 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
259 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
260 determine alignment passed to assign_stack_local.
261 (assign_parms_unsplit_complex): Likewise.
262 * except.c (sjlj_build_landing_pads): Likewise.
264 2009-03-06 Jakub Jelinek <jakub@redhat.com>
267 * tree-flow.h (add_referenced_var): Return bool instead of void.
268 * tree-dfa.c (add_referenced_var): Return result of
269 referenced_var_check_and_insert call.
270 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
271 of referenced_var_check_and_insert.
274 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
275 (gen_variable_die): Emit DW_AT_location on abstract static variable's
276 DIE, don't emit it if abstract origin already has it.
277 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
278 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
280 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
282 * genpreds.c: (needs_variable): Fix parentheses at variable name
284 (write_tm_constrs_h): Indent generated code.
286 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
288 * doc/extend.texi (Function Attributes): Add documentation
291 2009-03-06 Jakub Jelinek <jakub@redhat.com>
294 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
295 take locus from its DECL_SOURCE_LOCATION instead of input_location.
297 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
299 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
302 2009-03-05 Jakub Jelinek <jakub@redhat.com>
305 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
306 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
308 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
310 * config/i386/i386.md (R8_REG, R9_REG): New constants.
311 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
312 constants instead of magic numbers.
313 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
315 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
316 (x86_64_ms_abi_int_parameter_registers): Ditto.
317 (x86_64_int_return_registers): Ditto.
318 (ix86_maybe_switch_abi): Ditto.
319 (ix86_expand_call): Ditto for clobbered_registers array.
320 (ix86_hard_regno_mode_ok): Ditto.
321 (x86_extended_QIreg_mentioned_p): Ditto.
323 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
325 PR tree-optimization/39349
326 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
328 * combine.c (gen_lowpart_for_combine): Use omode when generating
331 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
333 PR rtl-optimization/39235
334 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
336 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
338 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
340 2009-03-04 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/39362
343 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
344 that occur in abnormal PHIs should be varying.
346 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
348 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
350 (simple_iv): Take loop as an argument instead of statement.
351 * tree-scalar-evolution.h (simple_iv): Declaration changed.
352 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
354 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
356 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
357 * matrix-reorg.c (analyze_transpose): Ditto.
358 * tree-data-ref.c (dr_analyze_innermost): Ditto.
359 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
360 * tree-predcom.c (ref_at_iteration): Ditto.
361 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
363 2009-03-04 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/39358
366 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
367 escaped_id and callused_id.
368 (solve_graph): Likewise.
370 2009-03-04 Richard Guenther <rguenther@suse.de>
372 PR tree-optimization/39339
373 * tree-sra.c (try_instantiate_multiple_fields): Make it
374 no longer ICE on the above.
376 2009-03-03 Joseph Myers <joseph@codesourcery.com>
378 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
379 that fits within Pmode.
381 2009-03-03 Steve Ellcey <sje@cup.hp.com>
384 * tm.texi (LIBCALL_VALUE): Update description.
386 2009-03-03 Steve Ellcey <sje@cup.hp.com>
389 * doc/extend.texi (section): Update description.
391 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
394 * tree-inline.c (remapped_type): New.
395 (can_be_nonlocal): Call remapped_type instead of remap_type.
397 2009-03-03 Jakub Jelinek <jakub@redhat.com>
400 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
401 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
403 2009-03-03 Richard Guenther <rguenther@suse.de>
406 * tree.c (tree_nonartificial_location): New function.
407 * tree.h (tree_nonartificial_location): Declare.
408 * builtins.c (expand_builtin_memory_chk): Provide location
409 of the call location for artificial function pieces.
410 (maybe_emit_chk_warning): Likewise.
411 (maybe_emit_sprintf_chk_warning): Likewise.
412 (maybe_emit_free_warning): Likewise.
413 * expr.c (expand_expr_real_1): Likewise.
415 2009-03-03 Jakub Jelinek <jakub@redhat.com>
417 PR tree-optimization/39343
418 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
419 COMPONENT_REF t has ARRAY_TYPE.
421 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
424 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
425 when the type precision of the induction variable should be
426 larger than the type precision of nit.
427 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
428 * graphite.c (graphite_loop_normal_form): Same.
429 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
431 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
433 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
434 (*call_1_rex64_ms_sysv): Use named constants instead of magic
435 numbers to describe clobbered registers.
436 (*call_value_0_rex64_ms_sysv): Ditto.
437 * config/i386/mmx.md (mmx_emms): Ditto.
440 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
442 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
445 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
447 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
448 (spu_section_type_flags): New function.
450 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
452 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
453 reg_class_contents of FLOAT_REGS into a temporary.
455 2009-03-02 Richard Guenther <rguenther@suse.de>
456 Ira Rosen <irar@il.ibm.com>
458 PR tree-optimization/39318
459 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
460 information to the vectorized statement.
462 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
464 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
465 variable. Use defined names instead of magic constants for REX SSE
468 2009-03-01 Richard Guenther <rguenther@suse.de>
470 PR tree-optimization/39331
471 * omp-low.c (lower_send_shared_vars): Do not receive new
472 values for the reference of DECL_BY_REFERENCE parms or results.
474 2009-03-01 Jan Hubicka <jh@suse.cz>
477 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
478 BLOCK_NONLOCALIZED_VAR): New macros.
479 (tree_block): Add nonlocalized_vars.
480 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
481 gen_decl_die): Add origin argument. Allow generation of die with
483 (gen_member_die, gen_type_die_with_usage, force_decl_die,
484 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
486 (gen_block_die): Fix checking for unused blocks.
487 (process_scope_var): Break out from .... ; work with origins only.
488 (decls_for_scope) ... here; process nonlocalized list.
489 (dwarf2out_ignore_block): Look for nonlocalized vars.
490 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
492 (dump_scope_block): Dump them.
493 * tree-inline.c (remap_decls): Handle nonlocalized vars.
494 (remap_block): Likewise.
495 (can_be_nonlocal): New predicate.
496 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
498 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
500 * configure: Regenerate.
502 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
504 * optc-gen.awk: No need to duplicate option flags twice.
505 Reuse help texts for duplicate options which do not have any.
507 * gcc.c (display_help): Document --version.
509 * gcc.c (main): If print_help_list and verbose_flag, ensure
510 driver output comes before subprocess output.
512 * optc-gen.awk: Assign all remaining fields to help string,
513 space-separated, for multi-line help in *.opt.
515 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
516 -Wno-pedantic-ms-format is for MinGW targets only.
518 * doc/options.texi (Option file format): Fix bad indentation,
519 restoring dropped sentence.
521 2009-02-28 Jan Hubicka <jh@suse.cz>
523 * tree-inline.c (tree_function_versioning): Output debug info.
525 2009-02-28 Jan Hubicka <jh@suse.cz>
528 * tree-inline.c (setup_one_parameter): Do not copy propagate
529 arguments when not optimizing.
531 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
534 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
535 (avx_addsubv4df3): Likewise.
536 (*avx_addsubv4sf3): Likewise.
537 (sse3_addsubv4sf3): Likewise.
538 (*avx_addsubv2df3): Likewise.
539 (sse3_addsubv2df3): Likewise.
540 (avx_unpckhps256): Correct item selectors.
541 (avx_unpcklps256): Likewise.
542 (avx_unpckhpd256): Likewise.
543 (avx_unpcklpd256): Likewise.
545 2009-02-28 Jan Hubicka <jh@suse.cz>
547 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
549 (copy_arguments_for_versioning): If var is declared don't declare it.
550 (tree_function_versioning): First setup substitutions and then copy
553 2009-02-27 Jan Hubicka <jh@suse.cz>
556 * cgraph.h (varpool_output_debug_info): Remove.
557 * cgraphunit.c (varpool_output_debug_info): Remove.
558 * dwarf2out.c (deferred_locations_struct): New struct
559 (deferred_locations): New type.
560 (deferred_locations_list): New static var.
561 (deffer_location): New function.
562 (gen_variable_die): Use it.
563 (decls_for_scope): Output info on local static vars.
564 (dwarf2out_finish): Process deferred locations.
565 * varpool.c (varpool_output_debug_info): Remove.
567 2009-02-27 Jan Hubicka <jh@suse.cz>
570 * tree.h (TREE_PROTECTED): Fix comment.
571 (BLOCK_HANDLER_BLOCK): Remove.
572 (struct tree_block): Remove handler_block add body_block.
573 (inlined_function_outer_scope_p): New.
574 (is_body_block): Remove.
575 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
576 * dwarf2out.c (is_inlined_entry_point): Remove.
577 (add_high_low_attributes): Use inlined_function_outer_scope_p.
578 (gen_block_die): Use is_inlined_entry_point check. Remove body block
580 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
581 * gimplify.c (gimplify_expr): Gimplify body blocks.
582 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
583 block with multiple subblocks.
584 (dump_scope_block): Prettier output; dump more flags and info.
585 (dump_scope_blocks): New.
586 (remove_unused_locals): Use dump_scope_blocks.
587 * tree-flow.h (dump_scope_blocks): Declare.
588 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
589 * stmt.c (is_body_block): Remove.
590 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
591 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
593 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
596 * graphite.c (graphite_loop_normal_form): Do not call
597 number_of_iterations_exit from a gcc_assert.
599 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
601 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
602 jumps if COND is NULL.
603 (find_cond_jump): New function.
604 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
605 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
607 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
609 * config/alpha/alpha.h (alpha_expand_mov): Return false if
610 force_const_mem returns NULL_RTX.
612 2009-02-26 Jan Hubicka <jh@suse.cz>
615 * cgraph.h (varpool_output_debug_info): Remove.
616 * cgraphunit.c (varpool_output_debug_info): Remove.
617 * dwarf2out.c (deferred_locations_struct): New struct
618 (deferred_locations): New type.
619 (deferred_locations_list): New static var.
620 (deffer_location): New function.
621 (gen_variable_die): Use it.
622 (decls_for_scope): Output info on local static vars.
623 (dwarf2out_finish): Process deferred locations.
624 * varpool.c (varpool_output_debug_info): Remove.
626 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
628 PR rtl-optimization/39241
629 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
630 to subreg_offset_representable_p.
632 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
634 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
635 execute function prototype. Get f and nregs from max_reg_num
636 and get_insns. Remove the first backward pass as it's dead,
637 guard the forward pass by flag_expensive_optimizations.
638 (rest_of_handle_regmove): Delete.
639 (pass_regmove): Replace it with regmove_optimize.
641 2009-02-25 Martin Jambor <mjambor@suse.cz>
643 PR tree-optimization/39259
644 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
645 calls_alloca function flags.
646 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
649 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
651 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
652 flags_set_1_rtx, flags_set_1_set): Delete.
653 (regmove_optimize): Do not call mark_flags_life_zones.
655 2009-02-24 Julian Brown <julian@codesourcery.com>
658 * config/arm/arm.c (require_pic_register): Only set
659 cfun->machine->pic_reg once per function.
661 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
663 * doc/invoke.texi (Link Options): Document an easier way to pass
664 options that take arguments to the GNU linker using -Xlinker and -Wl.
666 2009-02-24 Steve Ellcey <sje@cup.hp.com>
669 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
671 2009-02-24 Richard Guenther <rguenther@suse.de>
674 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
676 2009-02-24 Richard Guenther <rguenther@suse.de>
677 Zdenek Dvorak <ook@ucw.cz>
679 PR tree-optimization/39233
680 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
681 from converting them to a generic type.
683 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
685 PR tree-optimization/39260
686 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
687 contains a condition with a real type.
688 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
690 2009-02-23 Jason Merrill <jason@redhat.com>
693 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
694 narrowing_initializer_constant_valid_p.
695 (narrowing_initializer_constant_valid_p): Don't return
696 null_pointer_node for adding a pointer to itself.
698 2009-02-23 Jan Hubicka <jh@suse.cz>
701 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
704 2009-02-23 Jan Hubicka <jh@suse.cz>
706 PR tree-optimization/37709
707 * tree.c (block_ultimate_origin): Move here from dwarf2out.
708 * tree.h (block_ultimate_origin): Declare.
709 * dwarf2out.c (block_ultimate_origin): Move to tree.c
710 * tree-ssa-live.c (remove_unused_scope_block_p):
711 Eliminate blocks containig no instructions nor live variables nor
713 (dump_scope_block): New function.
714 (remove_unused_locals): Enable removal of dead blocks by default;
715 enable dumping at TDF_DETAILS.
717 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
719 * config/i386/i386.c (classify_argument): Don't allow COImode
721 (function_arg_advance_32): Don't allow OImode.
722 (function_arg_32): Likewise.
723 (function_value_32): Likewise.
724 (return_in_memory_32): Likewise.
725 (function_arg_64): Remove OImode comment.
727 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
730 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
731 ix86_expand_vector_set for V4DImode in 64bit mode only.
732 (ix86_expand_vector_init_one_var): Likewise.
734 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
736 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
738 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
741 * loop-iv.c: Revert last change.
742 * emit-rtl.c: Likewise.
744 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.c (type_natural_mode): Remove an extra
748 space in the warning message.
749 (function_value_32): Handle 32-byte vector modes.
750 (return_in_memory_32): Likewise.
752 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
754 * loop-iv.c (truncate_value): New function.
755 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
757 (lowpart_subreg): Move to...
758 * emit-rtl.c: ...here.
760 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
762 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
763 accidental and undocumented change at revision 140860.
765 2009-02-21 Joseph Myers <joseph@codesourcery.com>
767 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
768 take gimple_seq * arguments.
769 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
770 types_compatible_p langhook.
772 2009-02-20 Mark Mitchell <mark@codesourcery.com>
773 Joseph Myers <joseph@codesourcery.com>
775 * config/arm/arm.c (arm_builtin_va_list): New function.
776 (arm_expand_builtin_va_start): Likewise.
777 (arm_gimplify_va_arg_expr): Likewise.
778 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
779 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
780 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
781 (va_list_type): New variable.
782 (arm_mangle_type): Mangle va_list_type appropriately.
784 2009-02-20 Jakub Jelinek <jakub@redhat.com>
787 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
788 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
789 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
790 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
791 parameter to 1000 for -O1 by default.
792 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
794 * loop-invariant.c: Include params.h.
795 (move_loop_invariants): Don't call move_single_loop_invariants on
798 2009-02-20 Jaka Mocnik <jaka@xlab.si>
800 * calls.c (emit_library_call_value_1): Use slot_offset instead of
801 offset when calculating bounds for indexing stack_usage_map. Fixes
802 a buffer overflow with certain target setups.
804 2009-02-20 Jakub Jelinek <jakub@redhat.com>
807 * calls.c (expand_call): Clear try_tail_call if caller and callee
808 disagree in promotion of function return value.
810 2009-02-19 Jakub Jelinek <jakub@redhat.com>
813 * c-common.c (c_determine_visibility): If visibility changed and
814 DECL_RTL has been already set, call make_decl_rtl to update symbol
817 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
820 * varasm.c (assemble_variable): Don't check DECL_NAME when
821 globalizing a variable.
823 2009-02-19 Joseph Myers <joseph@codesourcery.com>
826 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
827 expression before any __builtin_trap call.
828 * c-typeck.c (build_function_call): Convert and check function
829 arguments before generating a call to a trap. Evaluate the
830 function arguments before the trap.
832 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
835 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
836 (UNSPEC_FXAM_MEM): New unspec.
837 (fxam<mode>2_i387_with_temp): New insn and split pattern.
838 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
839 memory using fxam<mode>2_i387_with_temp to remove excess precision.
841 2009-02-19 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/39207
844 PR tree-optimization/39074
845 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
846 storedanything_tree): New.
847 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
848 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
849 (build_succ_graph): Add edges from STOREDANYTHING to all
851 (init_base_vars): Initialize STOREDANYTHING.
852 (compute_points_to_sets): Free substitution info after
853 building the succ graph.
854 (ipa_pta_execute): Likewise.
856 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
858 (do_ds_constraint): Do not add to special var or non-pointer
860 (type_could_have_pointers): Split out from ...
861 (could_have_pointers): ... here. For arrays use the element type.
862 (create_variable_info_for): Initialize may_have_pointers.
863 (new_var_info): Likewise.
864 (handle_lhs_call): Make the HEAP variable unknown-sized.
865 (intra_create_variable_infos): Use a type with pointers for
866 PARM_NOALIAS, make it unknown-sized.
868 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
871 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
873 2009-02-18 Jason Merrill <jason@redhat.com>
876 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
877 value if DECL_EXTERNAL.
878 * tree-sra.c (sra_walk_gimple_assign): Likewise.
879 * target.h (gcc_target::binds_local_p): Clarify "module".
880 * tree.h (TREE_PUBLIC): Clarify "module".
882 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
885 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
886 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
888 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
891 * c.opt (Wabi): Support C and ObjC.
894 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
896 * config/i386/i386.c (classify_argument): Warn once about the ABI
897 change when passing union with long double.
899 * doc/invoke.texi: Update -Wabi for warning psABI changes.
901 2009-02-18 Joseph Myers <joseph@codesourcery.com>
904 * c-parser.c (c_parser_compound_statement): Always enter and leave
907 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
910 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
912 2009-02-18 Jakub Jelinek <jakub@redhat.com>
914 PR tree-optimization/36922
915 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
916 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
919 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
921 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
924 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
926 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
928 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
930 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
933 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
934 Richard Sandiford <rdsandiford@googlemail.com>
936 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
937 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
938 (loongson_biadd): ...this.
940 2009-02-17 Richard Guenther <rguenther@suse.de>
942 PR tree-optimization/39202
943 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
944 a var make sure to follow existing collapses.
946 2009-02-17 Richard Guenther <rguenther@suse.de>
949 * langhooks.c (lhd_print_error_function): Check for NULL block.
951 2009-02-17 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/39204
954 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
957 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
959 * config/soft-fp/double.h: Update from glibc CVS.
961 2009-02-17 Richard Guenther <rguenther@suse.de>
963 PR tree-optimization/39207
964 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
965 strict-aliasing warnings for pointers pointing to NULL.
967 2009-02-16 Joseph Myers <joseph@codesourcery.com>
970 * c-parser.c (c_parser_braced_init): Call pop_init_level when
971 skipping until next close brace.
973 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
976 * config/i386/i386.c (ix86_expand_push): Set memory alignment
977 to function argument boundary.
979 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
981 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
982 in the lea_add. Reload eventually constraints it properly.
983 * config/picochip/constraints.md : Remove the target constraint
984 "b", since it is not needed anymore.
986 2009-02-16 Jakub Jelinek <jakub@redhat.com>
988 * gthr-dce.h: Uglify function parameter and local variable names.
989 * gthr-gnat.h: Likewise.
990 * gthr-mipssde.h: Likewise.
991 * gthr-nks.h: Likewise.
992 * gthr-posix95.h: Likewise.
993 * gthr-posix.h: Likewise.
994 * gthr-rtems.h: Likewise.
995 * gthr-single.h: Likewise.
996 * gthr-solaris.h: Likewise.
997 * gthr-tpf.h: Likewise.
998 * gthr-vxworks.h: Likewise.
999 * gthr-win32.h: Likewise.
1001 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1004 * config/i386/i386.md: Restrict the new peephole2 to move
1005 between MMX/SSE registers.
1007 2009-02-15 Richard Guenther <rguenther@suse.de>
1010 2009-02-13 Richard Guenther <rguenther@suse.de>
1012 * configure.ac: Enable LFS.
1013 * configure: Re-generate.
1014 * config.in: Likewise.
1016 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1018 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1019 spu_srqwbyte, spu_srqwbytebc): Define.
1020 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1021 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1022 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1023 "shrqby_<mode>"): New insn-and-split patterns.
1024 * config/spu/spu.c (expand_builtin_args): Determine and return
1025 number of operands using spu_builtin_description data.
1026 (spu_expand_builtin_1): Use it.
1028 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1031 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1034 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1037 * config/i386/i386.c (override_options): Correct warning
1038 messages for -malign-loops, -malign-jumps and -malign-functions.
1040 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1043 * config/i386/i386.md: Restrict the new peephole2 to move
1044 between the general purpose registers.
1046 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1049 * config/i386/i386.c (type_natural_mode): Add a new argument.
1050 Return the original mode and warn ABI change if vector size is 32byte.
1051 (function_arg_advance): Updated.
1052 (function_arg): Likewise.
1053 (ix86_function_value): Likewise.
1054 (ix86_return_in_memory): Likewise.
1055 (ix86_sol10_return_in_memory): Likewise.
1056 (ix86_gimplify_va_arg): Likewise.
1057 (function_arg_32): Don't warn ABX ABI change here.
1058 (function_arg_64): Likewise.
1060 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1062 * loop-iv.c (implies_p): In the final case, test that operands 0
1063 of the two comparisons match.
1065 * config/bfin/bfin.c (find_prev_insn_start): New function.
1066 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1067 (find_next_insn_start): Move.
1069 2009-02-13 Richard Guenther <rguenther@suse.de>
1071 * configure.ac: Enable LFS.
1072 * configure: Re-generate.
1073 * config.in: Likewise.
1075 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1078 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1079 sizes on syntax error after some arguments have been parsed.
1081 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1083 * doc/invoke.texi (-fira): Remove.
1085 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1087 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1088 * recog.c: Likewise.
1091 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1093 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1094 (umul_ppmm): Likewise.
1095 (count_leading_zeros): Likewise.
1096 (count_trailing_zeros): Likewise.
1097 (UMUL_TIME): Likewise.
1099 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1101 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1102 soft-fp/t-softfp to tmake_file.
1104 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1105 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1106 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1107 IA64_BUILTIN_INFQ]: New.
1108 (ia64_init_builtins): Initialize __builtin_infq,
1109 __builtin_fabsq and __builtin_copysignq if not HPUX.
1110 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1111 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1113 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1115 (__fixtfti): Likewise.
1116 (__fixunstfti): Likewise.
1117 (__floattitf): Likewise.
1119 * config/ia64/libgcc-glibc.ver: New.
1120 * config/ia64/t-fprules-softfp: Likewise.
1121 * config/ia64/sfp-machine.h: Likewise.
1123 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1124 (LIBGCC2_TF_CEXT): Likewise.
1125 (TF_SIZE): Likewise.
1126 (TARGET_INIT_LIBFUNCS): Likewise.
1128 * config/ia64/t-glibc (SHLINB_MAPFILES):
1129 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1131 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1133 * config/i386/i386.c (construct_container): Rewrite processing
1134 BLKmode with X86_64_SSE_CLASS.
1136 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1139 * config/i386/i386.md: Replace simplify_replace_rtx with
1140 replace_rtx in the new peephole2.
1142 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1144 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1145 loop unrolling do not happen at -O2.
1147 2009-02-12 Michael Matz <matz@suse.de>
1149 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1151 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1153 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1156 2009-02-12 Ben Elliston <bje@au.ibm.com>
1158 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1159 patterns when updating the back chain. Missed in the 2009-02-10
1162 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1164 * doc/extend.texi (Decimal Floating Types): Update identifier of
1165 draft TR and list of missing support.
1167 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1170 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1171 bit to variable length decl's flags, add it also to its
1172 pointer replacement variable.
1174 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1175 Jakub Jelinek <jakub@redhat.com>
1178 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1179 (memory_blockage): New expander.
1180 (*memory_blockage): New insn pattern.
1181 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1182 instead of general blockage at the end of function prologue when
1183 frame pointer is used to access red zone area. Do not emit blockage
1184 when profiling, it is emitted in generic code.
1185 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1186 function epilogue when frame pointer is used to access red zone area.
1188 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1191 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1192 by arithmetic with memory operands.
1193 * config/i386/predicates.md (commutative_operator): New.
1195 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1197 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1200 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1202 * alias.h (record_alias_subset): Declare.
1203 * alias.c (record_alias_subset): Make global.
1205 2009-02-10 Nick Clifton <nickc@redhat.com>
1207 * tree-parloops.c: Change license to GPLv3.
1208 * ipa-struct-reorg.c: Change license to GPLv3.
1209 * ipa-struct-reorg.h: Change license to GPLv3.
1211 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1214 * c-decl.c (start_struct): Return NULL on error.
1216 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1219 * cfgloopmanip.c (remove_path): Call remove_bbs after
1220 cancel_loop_tree, not before it.
1223 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1224 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1225 VAR_DECLs were seen.
1226 * tree-ssa-live.c (remove_unused_locals): Recompute
1227 cfun->has_local_explicit_reg_vars.
1228 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1229 copies or clearings if cfun->has_local_explicit_reg_vars.
1231 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1234 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1235 of function prologue when frame pointer is used to access
1238 2009-02-10 Richard Guenther <rguenther@suse.de>
1241 * gimplify.c (gimple_regimplify_operands): Always look if
1242 we need to create a temporary.
1244 2009-02-10 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/39132
1247 * tree-loop-distribution.c (todo): New global var.
1248 (generate_memset_zero): Trigger TODO_rebuild_alias.
1249 (tree_loop_distribution): Return todo.
1251 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1254 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1255 (x86_64_reg_class_name): Removed.
1256 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1257 first one isn't X86_64_SSE_CLASS or any other ones aren't
1258 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1259 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1260 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1261 and 3 X86_64_SSEUP_CLASS.
1262 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1263 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1265 2009-02-10 Ben Elliston <bje@au.ibm.com>
1267 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1268 form instruction to update the stack back chain word, even if the
1269 user has disabled the generation of update instructions.
1270 (movdi_<mode>_update_stack): New.
1271 (movsi_update_stack): Likewise.
1272 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1273 always use an update form instruction to update the stack back
1276 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1279 * graphite.c (if_region_set_false_region): After moving a region in
1280 the false branch of a condition, remove the empty dummy basic block.
1281 (gloog): Remove wrong fix for PR38953.
1283 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1285 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1286 generation due to implicit sign extension.
1288 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1291 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1292 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1294 2009-02-09 Richard Guenther <rguenther@suse.de>
1297 * convert.c (convert_to_real): Disable (float)fn((double)x)
1298 to fnf(x) conversion if errno differences may occur and
1299 -fmath-errno is set.
1301 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1303 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1304 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1305 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1307 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1310 * c-common.c (handle_alias_attribute): Disallow attribute for
1311 anything not a FUNCTION_DECL or VAR_DECL.
1313 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1316 * real.c (do_compare): Special-case compare of zero against
1317 decimal float value.
1319 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1322 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1323 as indicating flexible array members unless the field itself is
1324 being declarared as the incomplete array.
1326 2009-02-06 Jan Hubicka <jh@suse.cz>
1328 PR tree-optimization/38844
1329 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1332 2009-02-06 Richard Guenther <rguenther@suse.de>
1335 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1336 fork because we may expand it as __gcov_fork.
1338 2009-02-06 Nick Clifton <nickc@redhat.com>
1340 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1342 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1344 PR tree-optimization/35659
1345 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1346 vn_phi_eq): Shortcut if hashcode does not match.
1347 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1349 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1350 and avoid iterative_hash_expr.
1351 (FOR_EACH_VALUE_ID_IN_SET): New.
1352 (value_id_compare): Remove.
1353 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1354 sort expressions by value id.
1356 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1359 * config/sh/predicates.md (general_movsrc_operand): Don't check
1360 the subreg of system registers here.
1362 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1365 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1368 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1370 PR rtl-optimization/39110
1371 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1372 addresses, not aligned ones.
1374 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1375 Richard Guenther <rguenther@suse.de>
1377 PR tree-optimization/39100
1378 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1379 comment says and add edges.
1381 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1384 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1385 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1387 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1389 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1390 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1391 register_bb_in_sese, new_sese, free_sese): Moved.
1392 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1393 outermost_loop_in_scop, build_scop_iteration_domain,
1394 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1395 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1396 Use loop_in_sese_p instead of loop_in_scop_p.
1397 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1398 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1399 (scopdet_basic_block_info): Fix bug in scop detection.
1400 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1401 eq_loop_to_cloog_loop): Remove.
1402 (nb_loops_around_loop_in_scop, nb_loop
1403 ref_nb_loops): Moved here...
1404 * graphite.h (ref_nb_loops): ... from here.
1405 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1406 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1407 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1408 * testsuite/gcc.dg/graphite/scop-19.c: New
1410 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1411 Hans-Peter Nilsson <hp@axis.com>
1413 PR rtl-optimization/37889
1414 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1415 Move offset handling from PLUS to before the switch. Use new
1416 arguments when considering SYMBOL_REFs too.
1417 (rtx_addr_can_trap_p): Pass dummy offset and size.
1418 (enum may_trap_p_flags): Remove.
1419 (may_trap_p_1): Pass size from MEM_SIZE.
1421 PR rtl-optimization/38921
1422 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1423 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1424 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1425 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1427 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1429 AVX Programming Reference (January, 2009)
1430 * config/i386/sse.md (*vpclmulqdq): New.
1432 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1434 PR tree-optimization/38977
1435 PR gcov-profile/38292
1436 * calls.c (special_function_p): Disregard __builtin_ prefix.
1438 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1440 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1441 non-indexable addresses even before reload.
1443 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1446 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1447 as having variable size. Do not give an error for unnamed
1448 parameters with [*] declarators. Give a warning for type names
1449 with [*] declarators and mark them as variable size.
1450 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1451 for sizeof applied to [*] type names.
1453 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1456 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1458 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1460 * gcc.c (process_command): Update copyright notice dates.
1461 * gcov.c (print_version): Likewise.
1462 * gcov-dump.c (print_version): Likewise.
1463 * mips-tfile.c (main): Likewise.
1464 * mips-tdump.c (main): Likewise.
1466 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1469 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1470 for composite type involving a zero-length array type.
1472 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1475 * function.c (match_asm_constraints_1): Skip over
1476 initial optional % in the constraint.
1479 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1480 supported, don't accept FIXED_CSTs.
1481 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1482 and _Sat is used without _Fract/_Accum. Set specs->type to
1483 integer_type_node for cts_fract/cts_accum if fixed point is not
1486 2009-02-02 Catherine Moore <clm@codesourcery.com>
1488 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1490 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1492 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1493 (ABI_HAS_64BIT_SYMBOLS): Use it.
1494 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1496 2009-02-02 Paul Brook <paul@codesourcery.com>
1498 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1500 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1503 * recog.h (asm_operand_ok): Add constraints argument.
1504 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1505 recurse on matching constraint.
1506 (check_asm_operands): Pass constraints as 3rd argument to
1507 asm_operand_ok. Don't look up matching constraint here.
1508 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1511 2009-02-02 Ben Elliston <bje@au.ibm.com>
1513 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1514 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1516 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1518 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1519 information. Remove some obsolete information. Reorganize.
1521 * config/pa/fptr.c: Revert license to GPL 2.
1522 * config/pa/milli64.S: Likewise.
1524 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1527 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1528 LIBRARY name in, instead of hard-coding it.
1529 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1530 extra target make frag to tmake_files according to EH model.
1531 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1532 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1533 frags that define makefile variable EH_MODEL appropriately.
1534 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1535 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1536 to "-sjlj" according to type of EH configured.
1537 (LIBGCC_SONAME): Concatenate it to shared library base name.
1538 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1539 to "_sjlj" according to type of EH configured.
1540 (LIBGCC_SONAME): Concatenate it to shared library base name.
1541 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1542 (SHLIB_LINK): Add missing semicolon to if-else construct.
1543 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1544 string value of "pe_dll" command-line option.
1545 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1546 (SHLIB_SONAME): Use it when overriding t-cygming default.
1547 (SHLIB_IMPLIB): Override t-cygming default.
1548 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1549 string value of "pe_dll" command-line option.
1551 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1554 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1555 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1557 2009-01-31 Richard Guenther <rguenther@suse.de>
1559 PR tree-optimization/38937
1560 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1561 computing the transitive closure.
1563 2009-01-30 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/39041
1566 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1567 Propagate variable indices only if the types match for this stmt.
1569 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1572 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1573 inline but never defined.
1575 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1577 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1578 (*insv_h_di_reg_extimm): New insn.
1579 (*insv_l<mode>_reg_extimm): New insn.
1581 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1583 * config/picochip/picochip.c (flag_conserve_stack): set
1584 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1585 fconserve-stack. Reduce call-overhead used by inliner.
1587 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1590 * common.opt (flag_conserve_stack): Initialised to zero.
1592 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1595 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1596 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1599 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1601 * ira-color.c (allocno_reload_assign): Update comments.
1602 * regmove.c (regmove_optimize): Likewise.
1606 2009-01-29 Robert Millan <rmh@aybabtu.com>
1608 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1609 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1610 `MD_UNWIND_SUPPORT'.
1611 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1613 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1615 PR tree-optimization/39007
1616 * tree-loop-distribution.c (generate_builtin): Use
1617 recompute_dominator to compute the immediate dominator of the
1618 basic block just after the loop.
1620 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1622 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1623 (ASM_OUTPUT_DWARF_PCREL): Define.
1625 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1627 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1628 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1629 global. Modify entries about regmove and IRA.
1631 * ra-conflict.c: Remove the file.
1633 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1635 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1636 (pass_regclass_init): Rename to pass_reginfo_init.
1638 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1640 * toplev.h (flag_ira): Remove.
1642 * caller-save.c (setup_save_areas): Remove flag_ira.
1644 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1646 * global.c: Remove the file.
1648 * opts.c: (decode_options): Remove flag_ira.
1650 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1652 * regmove.c: Modify file description.
1653 (find_use_as_address, try_auto_increment): Define them only if
1654 AUTO_INC_DEC is defined.
1655 (replacement_quality, replace_in_call_usage, fixup_match_1,
1656 stable_and_no_regs_but_for_p): Remove.
1657 (reg_set_in_bb): Make it static.
1658 (regmove_optimize): Remove flag_ira and code which worked for
1661 * local-alloc.c: Remove the file.
1663 * common.opt (fira): Remove.
1665 * ira.c: Include except.h.
1666 (eliminable_regset): Move from global.c.
1667 (mark_elimination): Ditto. Remove flag_ira.
1668 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1669 equiv_mem_modified, validate_equiv_mem_from_store,
1670 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1671 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1672 no_equiv, recorded_label_ref): Move from local-alloc.c.
1673 (update_equiv_regs): Ditto. Make it static.
1674 (print_insn_chain, print_insn_chains): Move it from global.c.
1675 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1676 (build_insn_chain): Ditto. Make it static.
1677 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1678 Rename to init_live_subregs.
1679 (gate_ira): Remove flag_ira.
1681 * regclass.c: Rename reginfo.c. Change file description.
1682 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1683 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1684 (init_reg_sets_1): Remove code for evaluation of
1685 reg_class_superclasses and losing_caller_save_reg_set.
1686 (init_regs): Remove init_reg_autoinc.
1687 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1688 ok_for_base_p_nonstrict): Remove.
1689 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1690 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1691 corresponding entries.
1692 (dump_regclass, record_operand_costs, scan_one_insn,
1693 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1694 record_address_regs, auto_inc_dec_reg_p): Remove.
1695 (gt-regclass.h): Rename to gt-reginfo.h.
1697 * rtl.h (dump_global_regs, retry_global_alloc,
1698 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1700 * Makefile.in (RA_H): Remove.
1701 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1702 Rename regclass.o to reginfo.o.
1703 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1705 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1706 (GTFILES): Rename regclass.c to reginfo.c.
1708 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1709 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1711 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1712 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1714 (finish_spills): Ditto. Remove code for !flag_ira.
1716 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1719 * doc/invoke.texi (rtl debug options): Complete rewrite.
1720 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1722 * mode-switching.c (pass_mode_switching): Rename pass from
1723 "mode-sw" to "mode_sw".
1724 * except.c (pass_convert_to_eh_ranges): Rename pass from
1725 "eh-ranges" to "eh_ranges".
1726 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1730 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1731 Alexander Monakov <amonakov@ispras.ru>
1734 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1736 (move_exprs_to_boundary): Change return type and pass through
1737 should_move from move_op. Relax assert. Update usage ...
1738 (schedule_expr_on_boundary): ... here. Use should_move instead of
1740 (move_op_orig_expr_found): Indicate that insn was disconnected from
1742 (code_motion_process_successors): Do not call after_merge_succs
1743 callback if original expression was not found when traversing any of
1745 (code_motion_path_driver): Change return type. Update prototype.
1746 (move_op): Update comment. Add a new parameter (should_move). Update
1747 prototype. Set *should_move based on indication provided by
1748 move_op_orig_expr_found.
1750 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1752 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1753 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1754 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1755 * config/rs6000/rs6000.c (rs6000_override_options): Default
1756 avoid-indexed-addresses on for Power6, off for everything else.
1757 (avoiding_indexed_address_p): New function.
1758 (rs6000_legitimize_address): Use it.
1759 (rs6000_legitimate_address): Likewise.
1760 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1762 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1764 PR tree-optimization/38997
1765 * tree-loop-distribution.c (generate_memset_zero): Use
1766 POINTER_PLUS_EXPR for a pointer addition.
1768 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1770 * config/s390/s390.md (bswap<mode>2): New pattern added.
1772 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1774 * config/s390/s390.md (*tls_load_31): Added type attribute.
1776 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1778 * config/s390/s390.md: Fix a few comments.
1780 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1782 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1783 (*tm<mode>_full): Fixed z10prop attribute.
1784 (*tst<mode>_extimm): Fixed z10prop attribute.
1785 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1786 (*tstqiCCT_cconly): Fixed z10prop attribute.
1787 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1788 (*movsi_larl): Fixed z10prop attribute.
1789 (*movsi_zarch): Fixed z10prop attribute.
1790 (*movsi_eas): Fixed z10prop attribute.
1791 (*movhi): Fixed z10prop attribute.
1792 (*movqi): Fixed z10prop attribute.
1793 (*movstrictqi): Fixed z10prop attribute.
1794 (*mov<mode>): Fixed z10prop attribute.
1795 (*movcc): Fixed z10prop attribute.
1796 (*sethighpartdi_64): Fixed z10prop attribute.
1797 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1798 (*negdi2_sign_cc): Fixed z10prop attribute.
1799 (*negdi2_sign): Fixed z10prop attribute.
1800 (*absdi2_sign_cc): Fixed z10prop attribute.
1801 (*absdi2_sign): Fixed z10prop attribute.
1802 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1803 (*negabsdi2_sign): Fixed z10prop attribute.
1804 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1805 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1806 (doloop_si64): Fixed z10prop attribute.
1807 (doloop_si31): Fixed z10prop attribute.
1808 (doloop_long): Fixed z10prop attribute.
1809 (indirect_jump): Fixed z10prop attribute.
1810 (nop): Fixed z10prop attribute.
1811 (main_base_64): Fixed z10prop attribute.
1812 (reload_base_64): Fixed z10prop attribute.
1814 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1816 PR rtl-optimization/38740
1817 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1819 * config/mips/mips.c (mips_reorg): Likewise.
1821 2009-01-28 Richard Guenther <rguenther@suse.de>
1823 PR tree-optimization/38926
1824 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1825 with the correct value id to a value.
1826 (do_regular_insertion): Use the value number of edoubleprime
1827 for the value number of the expr.
1830 2008-08-21 Richard Guenther <rguenther@suse.de>
1832 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1833 a PHI ask VN if it is already available.
1834 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1835 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1837 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1840 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1841 set to varying whenever max has TREE_OVERFLOW set, similarly
1842 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1844 2009-01-28 Richard Guenther <rguenther@suse.de>
1847 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1848 uninitialized aggregate uses in call arguments.
1850 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1852 PR tree-optimization/38984
1853 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1854 the nothing_id variable if -fno-delete-null-pointer-checks.
1856 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1859 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1860 (set_got_offset_rex64): Ditto.
1862 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1865 * doc/extend.texi: Improve local variable with asm reg.
1867 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1869 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1870 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1871 was not supplied then set warn_packed_bitfield_compat to the
1873 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1876 2009-01-27 Richard Guenther <rguenther@suse.de>
1878 PR tree-optimization/38503
1879 * cfgexpand.c (expand_gimple_basic_block): Ignore
1880 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1881 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1882 variables that cannot have TBAA applied.
1883 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1886 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1889 * calls.c (initialize_argument_information): Do not wrap complex
1890 arguments in SAVE_EXPR.
1892 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1894 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1895 (INSTALL_LIBGCC): Revert typo commit.
1897 2009-01-26 Richard Guenther <rguenther@suse.de>
1899 PR tree-optimization/38745
1900 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1901 from special handling.
1903 2009-01-26 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/38745
1906 * tree-ssa.c (execute_update_addresses_taken): Do not include
1907 variables that cannot possibly be a register in not_reg_needs.
1908 Do not clear TREE_ADDRESSABLE on vars that may not become
1910 * tree-ssa.c (update_alias_info_1): Include those in the set
1911 of addressable vars.
1913 2009-01-26 Richard Guenther <rguenther@suse.de>
1916 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1917 * tree-ssa-dse.c: Include langhooks.h
1918 (execute_simple_dse): Remove stores with zero size.
1920 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1923 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1926 2009-01-24 Julian Brown <julian@codesourcery.com>
1928 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1929 config/arm/linux-atomic.c.
1930 * config/arm/linux-atomic.c: New.
1932 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1934 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1935 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1936 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1938 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1941 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1944 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1946 PR tree-optimization/38953
1947 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1948 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1949 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1950 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1953 2009-01-24 Paul Brook <paul@codesourcery.com>
1955 * config/arm/neon.md (neon_type): Move to arm.md.
1956 (neon_mov<VSTRUCT>): Add neon_type attribute.
1957 * config/arm/arm.md (neon_type): Move to here.
1958 (conds): Add "unconditioal" and use as default for NEON insns.
1960 2009-01-24 Ben Elliston <bje@au.ibm.com>
1962 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1963 void *' warning from -Wc++-compat.
1964 * Makefile.in (dominance.o-warn): Remove.
1966 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1968 PR tree-optimization/38932
1969 * fold-const.c (fold_unary_ignore_overflow): New.
1970 * tree.h (fold_unary_ignore_overflow): Declare.
1971 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1972 * tree-ssa-sccvn.c (visit_reference_op_load,
1973 simplify_unary_expression): Likewise.
1975 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1977 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1978 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1979 regardless of their type.
1980 * c-common.c (handle_packed_attribute): Don't ignore packed on
1982 * c.opt (Wpacked-bitfield-compat): New warning option.
1983 * stor-layout.c (place_field): Warn if offset of a field changed.
1984 * doc/extend.texi (packed): Mention the ABI change.
1985 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1986 (Warning Options): Add it to the list.
1988 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1990 * c-opts.c (c_common_post_options): Fix a typo in comments.
1992 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1995 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1996 variables to static.
1997 * doc/invoke.texi (-fmerge-all-constants): Update description.
1999 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2002 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2003 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2005 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2007 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2009 (LOCAL_ALIGNMENT): Similarly.
2011 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2012 Joseph Myers <joseph@codesourcery.com>
2014 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2015 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2016 * config/arm/arm-tune.md: Regenerate.
2017 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2020 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2022 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2023 version number to five.
2025 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2028 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2029 * c-common.c (set_underlying_type): Likewise.
2030 (is_typedef_decl ): Likewise
2032 (set_underlying_type): Likewise.
2033 (is_typedef_type): Likewise.
2035 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2038 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2041 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2044 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2045 (LIBGCC_SPEC): Don't define.
2046 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2048 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2050 PR rtl-optimization/38879
2051 * alias.c (base_alias_check): Unaligned access via AND address can
2052 alias all surrounding object types except those with sizes equal
2053 or wider than the size of unaligned access.
2055 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2058 * c-decl.c: (clone_underlying_type): Move this ...
2059 * c-common.c (set_underlying_type): ... here.
2060 Also, make sure the function properly sets TYPE_STUB_DECL() on
2061 the newly created typedef variant type.
2062 (is_typedef_decl ): New entry point.
2063 * tree.h: Added a new member member_types_needing_access_check to
2064 struct tree_decl_non_common.
2065 (set_underlying_type): New entry point.
2066 (is_typedef_type): Likewise.
2068 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2070 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2071 Check whether two instructions have memory references that
2072 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2073 are helper functions for traversing.
2074 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2075 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2076 not to draw dependency edge for instructions with non-conflicting
2079 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2082 * longlong.h: Update copyright years. Use soft-fp license notice.
2083 Sync __clz_tab declaration with glibc.
2085 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2088 * doc/extend.texi (syscall_linkage): New.
2089 (version_id): Modify.
2091 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2092 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/38747
2095 PR tree-optimization/38748
2096 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2097 conversion if the base address is an indirect reference and the
2098 aliasing sets could cause issues.
2100 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2102 * common.opt (fgraphite, fgraphite-identity): Add comment for
2103 explaining why these options are not documented.
2105 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2107 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2108 gimple_call_lhs is NULL.
2110 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2113 * emit-rtl.c (adjust_address_1): Make sure memref is never
2116 2009-01-20 Ben Elliston <bje@au.ibm.com>
2118 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2119 const qualifier from arg parameter. Remove unnecessary cast to char *.
2120 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2121 const qualifier from arg 2.
2123 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2125 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2127 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2130 * rtl.h (reinit_regs): New prototype.
2131 * regclass.c: Include ira.h.
2133 * Makefile.in (regclass.o): Add ira.h.
2134 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2136 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2139 * c-common.c (handle_aligned_attribute): Use
2140 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2141 default alignment value.
2143 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2145 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2146 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2148 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2149 __BIGGEST_ALIGNMENT__.
2151 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2153 2009-01-18 Richard Guenther <rguenther@suse.de>
2155 PR tree-optimization/38819
2156 * tree-flow.h (operation_could_trap_helper_p): Declare.
2157 * tree-eh.c (operation_could_trap_helper_p): Export.
2158 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2159 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2160 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2161 are about to insert a possibly trapping instruction and fail
2164 2009-01-18 Andreas Schwab <schwab@suse.de>
2166 * doc/install.texi (Configuration): Remove obsolete paragraph
2167 about use of --with-gnu-ld with --with-gnu-as.
2169 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2171 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2172 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2173 Follow spelling conventions.
2175 2009-01-18 Ben Elliston <bje@au.ibm.com>
2177 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2178 C++ warning about implicit conversion from void * to struct
2180 (bitmap_obstack_free): Likewise for bitmap_element *.
2181 * Makefile.in (bitmap.o-warn): Remove.
2183 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2185 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2187 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2188 Tobias Grosser <tobi.grosser@amd.com>
2190 * graphite.c (graphite_trans_scop_block): Do not block single
2193 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2195 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2196 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2197 test with assertion.
2199 2009-01-16 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/38835
2203 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2204 and INT + PTR -> (INT)(PTR p+ INT) folding.
2205 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2207 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2210 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2211 the subreg from a lowpart subreg if it is also casting the value.
2213 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2214 Tobias Grosser <tobi.grosser@amd.com>
2216 * graphite.c (compare_prefix_loops): New.
2217 (build_scop_canonical_schedules): Rewritten.
2218 (graphite_transform_loops): Move build_scop_canonical_schedules
2219 after build_scop_iteration_domain.
2221 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2222 Tobias Grosser <tobi.grosser@amd.com>
2224 * graphite.c (add_conditions_to_domain): Add the loops to
2225 the dimension of the iteration domain. Do copy the domain
2226 only when it exists.
2227 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2228 (add_conditions_to_constraints): New.
2229 (can_generate_code_stmt, can_generate_code): Removed.
2230 (gloog): Do not call can_generate_code.
2231 (graphite_transform_loops): Call add_conditions_to_constraints
2232 after building the iteration domain.
2234 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2236 PR tree-optimization/38789
2237 * tree-ssa-threadedge.c
2238 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2239 __builtin_constant_p.
2241 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2243 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2244 examined before deleting them.
2246 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2248 * function.c (aggregate_value_p): Correctly extract the function
2249 type from CALL_EXPR_FN lookup.
2251 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2253 * config/picochip/picochip.c (picochip_override_options): Revert
2254 CFI asm flag disable commited previously.
2256 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2257 Tobias Grosser <tobi.grosser@amd.com>
2258 Jan Sjodin <jan.sjodin@amd.com>
2260 * graphite.c (scan_tree_for_params): On substractions negate
2261 all the coefficients of the term.
2262 (clast_to_gcc_expression_red): New. Handle reduction expressions
2263 of more than two operands.
2264 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2265 (get_vdef_before_scop): Handle also the case of default definitions.
2267 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2269 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2270 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2271 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2273 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2274 Joey Ye <joey.ye@intel.com>
2277 * cfgexpand.c (expand_stack_alignment): Don't update stack
2278 boundary nor check incoming stack boundary here.
2279 (gimple_expand_cfg): Update stack boundary and check incoming
2280 stack boundary here.
2282 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2284 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2286 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2288 PR rtl-optimization/38245
2289 * calls.c (expand_call): Add stack arguments to
2290 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2291 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2292 in regs and partially in memory or BLKmode arguments.
2293 (emit_library_call_value_1): Add stack arguments to
2294 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2295 ACCUMULATE_OUTGOING_ARGS).
2296 * dce.c: Include tm_p.h.
2297 (find_call_stack_args): New function.
2298 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2300 (mark_insn): Call find_call_stack_args for CALL_Ps.
2301 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2302 forwards. Allocate and free arg_stores bitmap if needed, pass it
2303 down to deletable_insn_p, don't mark stores set in arg_stores
2304 bitmap, clear the bitmap at the beginning of each bb.
2305 * Makefile.in (dce.o): Depend on $(TM_P_H).
2307 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2310 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2311 to make sure the insn is a conditional test (bug 22599). Reformat a
2314 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2317 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2318 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2319 (gloog): Do not call cleanup_tree_cfg.
2320 (graphite_transform_loops): Call cleanup_tree_cfg after all
2321 scops have been code generated.
2323 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2324 * doc/gty.texi (Invoking the garbage collector): Added new node
2325 and section documenting ggc_collect.
2327 2009-01-14 Richard Guenther <rguenther@suse.de>
2329 PR tree-optimization/38826
2331 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2332 initialization notes only if we actually emitted a warning.
2333 (intra_create_variable_infos): Add constraints for a result decl
2334 that is passed by hidden reference.
2335 (build_pred_graph): Mark all related variables non-direct on
2338 2009-01-14 Nick Clifton <nickc@redhat.com>
2340 * ira-conflicts.c: Include addresses.h for the definition of
2342 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2343 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2345 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2348 * Makefile.in (ira-lives.o): Add except.h.
2350 * ira-lives.c: Include except.h.
2351 (process_bb_node_lives): Process can_throw_internal.
2353 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2355 PR rtl-optimization/38774
2356 * combine.c (simplify_set): When undoing cc_use change, don't do
2357 PUT_CODE on the newly created comparison, but instead put back the
2360 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2362 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2363 values. Remove duplicate arm8 entry.
2365 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2367 PR tree-optimization/38786
2368 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2369 the SSA_NAME case of expand_scalar_variables_expr.
2370 Set the type of an expression to the type of its assign statement.
2371 (expand_scalar_variables_expr): Also gather the scalar computation
2372 used to index the memory access. Do not pass loop_p.
2373 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2374 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2375 the gimple_stmt_iterator where it inserts new code.
2377 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2378 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2380 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2382 * graphite.h (debug_value): Removed.
2383 * graphite.c (debug_value): Removed.
2385 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2387 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2388 ldrd/strd with two 32-bit instructions.
2390 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2392 * config/arm/arm.c (struct processors): Pass for speed down into
2393 cost helper functions.
2394 (const_ok_for_op): Handle COMPARE and inequality nodes.
2395 (arm_rtx_costs_1): Rewrite.
2396 (arm_size_rtx_costs): Update prototype.
2397 (arm_rtx_costs): Pass speed down to helper functions.
2398 (arm_slowmul_rtx_costs): Rework cost calculations.
2399 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2400 (arm_9e_rtx_costs): Likewise.
2402 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2404 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2405 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2406 (alpha_legitimize_address): Do not split local symbols wider than
2407 UNITS_PER_WORD into HIGH/LO_SUM parts.
2409 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2412 * gcc.c (process_command): Replace call to execvp with calls
2413 to pex_one and exit.
2415 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2418 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2419 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2420 variant for devices with 3-byte PC.
2421 (__tablejump_elpm__) : New.
2423 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2426 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2427 offsetof member-designator, handle it as `[0].'.
2429 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2431 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2432 function when not using named sections on targets with named sections
2433 if branch distance is less than 262132.
2435 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2437 * combine.c (combine_instructions): Recompute
2438 optimize_this_for_speed_p for each BB in the main combine loop.
2440 2009-01-12 Tomas Bily <tbily@suse.cz>
2443 * tree-loop-distribution.c (prop_phis): New function.
2444 (generate_builtin): Call prop_phis.
2445 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2447 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2449 PR tree-optimization/38807
2450 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2451 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2453 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2455 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2456 subreg of op0 to the original op0.
2458 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2460 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2462 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2465 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2466 starting with digits.
2468 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2471 * config/arm/arm.c (arm_is_long_call_p): Don't call
2472 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2474 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2476 * regrename.c (regrename_optimize): Fix dumping.
2477 (find_oldest_value_reg): Preserve REG_POINTER.
2478 (copy_hardreg_forward_1): Likewise.
2480 2009-01-09 Diego Novillo <dnovillo@google.com>
2482 * gimple.h (struct gimple_statement_base) <uid>: Document
2483 the restrictions on its use.
2485 (gimple_set_uid): Tidy.
2487 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2489 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2490 zero guard even if align_bytes != 0 and count is smaller than
2493 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2495 PR rtl-optimization/38495
2496 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2497 (add_range_and_copies_from_move_list): Print all added ranges.
2498 Add ranges to memory optimized destination.
2500 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2504 * config/i386/i386.c (override_options): Reject
2505 -mstringop-strategy=rep_8byte with -m32.
2506 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2507 to 1. Do count comparison against epilogue_size_needed at compile
2508 time even when count_exp was constant forced into register. For
2509 size_needed don't jump to epilogue, instead just avoid aligning
2510 and invoke the body algorithm. If need_zero_guard, add zero guard
2511 even if count is non-zero, but smaller than size_needed + number of
2512 bytes that could be stored for alignment.
2513 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2514 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2515 but smaller than size_needed + number of bytes that could be stored
2516 for alignment. Compare size_needed with epilogue_size_needed instead
2517 of desired_align - align, don't adjust size_needed, pass
2518 epilogue_size_needed to the epilogue expanders.
2521 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2523 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2525 * pa.c (last_address): Change to unsigned.
2526 (update_total_code_bytes): Change argument to unsigned. Don't
2527 check if insn addresses are set.
2528 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2529 addresses are not set.
2530 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2532 2009-01-09 Nick Clifton <nickc@redhat.com>
2534 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2535 DECL_DECLARED_INLINE_P.
2537 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2540 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2541 GET_MODE (op0) in operand_subword_force calls.
2544 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2545 fold_convert arg0 operands to TREE_TYPE (op0) first.
2547 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2549 * params.def (ira-max-conflict-table-size): Decrease default value
2552 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2554 PR tree-optimization/37031
2555 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2557 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2558 allocate it using gc instead of heap, use VEC_quick_push instead of
2560 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2561 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2562 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2563 allocated vector from heap allocated.
2564 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2565 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2566 vector only after perfect_loop_nest_depth call.
2568 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2569 Jan Sjodin <jan.sjodin@amd.com>
2571 PR tree-optimization/38559
2572 * graphite.c (debug_value, copy_constraint,
2573 swap_constraint_variables, scale_constraint_variable, ): New.
2574 (get_lower_bound, get_upper_bound): Removed.
2575 (graphite_trans_bb_strip_mine): Clean up this code that works
2576 only for constant number of iterations. Fully copy upper and
2577 lower bound constraints, not only the constant part of them.
2578 * graphite.h (debug_value): Declared.
2580 2009-01-08 Ira Rosen <irar@il.ibm.com>
2582 PR tree-optimization/37194
2583 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2584 Don't add the cost of cost model guard in prologue to scalar
2585 outside cost in case of known number of iterations.
2587 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2588 Alan Modra <amodra@bigpond.net.au>
2590 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2591 non-word-aligned REG+CONST addressing.
2593 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2596 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2597 free_after_compilation when outputting a thunk.
2598 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2599 Do not call free_after_compilation here.
2601 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2603 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2604 (ix86_valid_target_attribute_inner_p): Ditto.
2606 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2608 PR tree-optimization/38492
2609 PR tree-optimization/38498
2610 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2611 * tree-chrec.h (scev_is_linear_expression): Declared.
2612 * graphite.c (graphite_cannot_represent_loop_niter): New.
2613 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2614 (graphite_loop_normal_form): Use gcc_assert.
2615 (scan_tree_for_params): Use CASE_CONVERT.
2616 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2617 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2618 Use gcc_assert. Discard scops that contain unhandled cases.
2619 (build_scop_conditions): Return a boolean status for unhandled cases.
2620 (strip_mine_profitable_p): Print the loop number, not its depth.
2621 (is_interchange_valid): Pass the depth of the loop nest, don't
2622 recompute it wrongly.
2623 (graphite_trans_bb_block): Same.
2624 (graphite_trans_bb_block): Print tentative of loop blocking.
2625 (graphite_trans_scop_block): Do not print that the loop has been
2627 (graphite_transform_loops): Do not handle scops that contain condition
2630 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2632 AVX Programming Reference (December, 2008)
2633 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2634 (_mm256_stream_pd): Likewise.
2635 (_mm256_stream_ps): Likewise.
2637 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2638 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2639 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2640 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2641 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2642 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2643 (ix86_expand_special_args_builtin): Likewise.
2645 * config/i386/sse.md (AVXMODEDI): New.
2646 (avx_movnt<mode>): Likewise.
2647 (avx_movnt<mode>): Likewise.
2648 (<sse>_movnt<mode>): Remove AVX support.
2649 (sse2_movntv2di): Likewise.
2651 2009-01-07 Richard Guenther <rguenther@suse.de>
2654 * fold-const.c (extract_muldiv): Remove obsolete comment.
2655 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2656 to PLUS_EXPR canonicalization for the canonicalization.
2658 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2660 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2661 hosted cross-compilers generating less efficient code.
2663 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2665 * function.h (rtl_data): Add a dbr_scheduled_p field.
2666 * reorg.c (dbr_schedule): Set it.
2667 (gate_handle_delay_slots): Check it.
2668 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2669 (mips_reorg): Check flag_delayed_branch instead of
2670 mips_base_delayed_branch.
2671 (mips_override_options): Don't set mips_base_delayed_branch
2672 or flag_delayed_branch.
2674 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2676 PR rtl-optimization/38426.
2677 * ira.c (ira): Set current_function_is_leaf earlier.
2679 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2681 PR rtl-optimization/38722
2682 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2683 too early, only set a flag and modify after last possible
2686 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2689 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2690 * real.c (decimal_single_format): Correct values of emin and emax.
2691 (decimal_double_format): Ditto.
2692 (decimal_quad_format): Ditto.
2693 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2694 computation of DECnn_MIN and DECnn_MAX for corrected values of
2695 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2696 __DECnn_MIN__, and adjust its computation for the corrected value
2699 2009-01-06 Jan Hubicka <jh@suse.cz>
2702 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2704 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2706 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2707 Add Robert Clark to the list of testers.
2709 2009-01-06 Jan Hubicka <jh@suse.cz>
2710 Kai Tietz <kai.tietz@onevision.com>
2712 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2713 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2715 2009-01-06 Jan Hubicka <jh@suse.cz>
2716 Kai Tietz <kai.tietz@onevision.com>
2718 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2720 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2721 (ix86_nsaved_regs): Count only general purpose regs.
2722 (ix86_nsaved_sseregs): New.
2723 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2724 to 16 for w64; compute padding and size of sse reg save area.
2725 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2726 general purpose regs.
2727 (ix86_emit_save_sse_regs_using_mov): New.
2728 (ix86_expand_prologue): Save SSE regs if needed.
2729 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2730 (ix86_emit_restore_sse_regs_using_mov): New.
2731 (ix86_expand_epilogue): Save SSE regs if needed.
2733 2009-01-06 Jan Hubicka <jh@suse.cz>
2734 Kai Tietz <kai.tietz@onevision.com>
2736 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2737 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2738 functions when accumulate outgoing args is off.
2740 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2743 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2744 before using pseudos_have_intersected_live_ranges_p.
2746 * ira-int.h (ira_assert): Always define.
2748 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2750 AVX Programming Reference (December, 2008)
2751 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2752 (_mm256_permute2_pd): Likewise.
2753 (_mm_permute2_ps): Likewise.
2754 (_mm256_permute2_ps): Likewise.
2755 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2756 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2758 * config/i386/i386.c (ix86_builtins): Remove
2759 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2760 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2761 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2762 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2763 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2764 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2765 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2766 __builtin_ia32_vpermil2ps256.
2767 (ix86_init_mmx_sse_builtins): Updated.
2768 (ix86_expand_args_builtin): Likewise.
2770 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2772 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2773 long absolute calls when generating PA 2.0 code.
2775 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2777 PR rtl-optimization/38583
2778 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2780 * params.def (ira-max-conflict-table-size): New.
2782 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2784 * ira.h (ira_conflicts_p): New external definition.
2786 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2787 table. Report this. Return result of building.
2788 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2789 building conflict table.
2791 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2792 (ira_color): Use ira_conflicts_p.
2794 * global.c: Include ira.h.
2795 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2798 * Makefile.in (global.o): Add ira.h.
2800 * ira-build.c (mark_all_loops_for_removal,
2801 propagate_some_info_from_allocno): New.
2802 (remove_unnecessary_allocnos): Call
2803 propagate_some_info_from_allocno.
2804 (remove_low_level_allocnos): New.
2805 (remove_unnecessary_regions): Add parameter. Call
2806 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2807 parameter to remove_unnecessary_regions.
2808 (ira_build): Remove all regions but root if the conflict table was
2809 not built. Update conflict hard regs for allocnos crossing calls.
2811 * ira.c (ira_conflicts_p): New global.
2812 (ira): Define and use ira_conflicts_p.
2814 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2815 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2816 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2818 2009-01-06 Ben Elliston <bje@au.ibm.com>
2820 * gengtype-lex.l (YY_NO_INPUT): Define.
2822 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2825 * c-common.c (handle_vector_size_attribute): Also reject
2828 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2830 PR tree-optimization/38492
2831 * graphite.c (rename_map_elt, debug_rename_elt,
2832 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2833 rename_map_elt_info, eq_rename_map_elts,
2834 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2835 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2836 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2837 (sese_build_livein_liveouts): New.
2838 (new_sese, free_sese): New.
2839 (new_scop): Call new_sese.
2840 (free_scop): Call free_sese.
2841 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2842 (register_old_new_names): Renamed register_old_and_new_names.
2843 (register_scop_liveout_renames, add_loop_exit_phis,
2844 insert_loop_close_phis, struct igp,
2845 default_liveout_before_guard, add_guard_exit_phis,
2846 insert_guard_phis, copy_renames): New.
2847 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2848 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2849 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2850 (scop_adjust_phis_for_liveouts): New.
2851 (gloog): Call scop_adjust_phis_for_liveouts.
2853 * graphite.h (struct sese): Documented. Added fields liveout,
2855 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2856 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2857 (struct scop): Added field liveout_renames.
2858 (SCOP_LIVEOUT_RENAMES): New.
2860 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2862 PR tree-optimization/38510
2863 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2864 (translate_clast): Call recompute_all_dominators before
2866 (gloog): Call recompute_all_dominators before graphite_verify.
2868 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2869 Jan Sjodin <jan.sjodin@amd.com>
2871 PR tree-optimization/38500
2872 * graphite.c (create_sese_edges): Call fix_loop_structure after
2875 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2877 * config.gcc: Add m32r*-*-rtems*.
2878 * config/m32r/rtems.h: New file.
2880 2009-01-05 Ben Elliston <bje@au.ibm.com>
2882 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2883 (.po.pox): Likewise.
2884 (po/gcc.pot): Likewise.
2886 2009-01-04 David S. Miller <davem@davemloft.net>
2888 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2889 (STARTING_FRAME_OFFSET): Always set to zero.
2891 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2893 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2894 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2895 fixed-point types, and vectors of the same.
2897 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2899 * config/mips/sync.md (*mb_barrier): Rename to...
2900 (*memory_barrier): ...this.
2902 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2904 * doc/extend.texi (Function Attributes): Move @cindex after @item
2905 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2906 and put in alphabetical order. Fix 'target' name and put in order.
2907 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2910 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2912 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2913 (memory_barrier): Expand as unspec instead of unspec_volatile.
2914 Remove mem:BLK from insn operands. Use Pmode scratch register.
2915 (*memory_barrier): Define as unspec instead of unspec_volatile.
2916 Use (match_dup 0) as input operand.
2918 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2919 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2920 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2921 scratch register. Remove operand 1.
2922 (*stbar): Define as unspec instead of unspec_volatile.
2923 Use (match_dup 0) as input operand, remove (const_int 8).
2924 (*membar): Define as unspec instead of unspec_volatile.
2925 Use (match_dup 0) as input operand, remove input operand 2.
2927 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2928 (memory_barrier): Expand as unspec instead of unspec_volatile.
2929 Remove mem:BLK from insn operands. Use Pmode scratch register.
2930 (*memory_barrier): Define as unspec instead of unspec_volatile.
2931 Use (match_dup 0) as input operand.
2933 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2934 Remove mem:BLK from insn operands. Use Pmode scratch register.
2935 Set volatile flag on operand 0.
2936 (*memory_barrier): New insn pattern.
2938 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2940 (*memory_barrier): Use (match_dup 0) as input operand.
2942 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2943 Remove mem:BLK from insn operands. Use Pmode scratch register.
2944 Set volatile flag on operand 0.
2945 (*mb_internal): New insn pattern.
2947 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2949 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2952 * function.c (struct temp_slot): Move to the section of the file
2953 that deals with temp slots. Remove field 'address'.
2954 (temp_slot_address_table): New hash table of address -> temp slot.
2955 (struct temp_slot_address_entry): New struct, items for the table.
2956 (temp_slot_address_compute_hash, temp_slot_address_hash,
2957 temp_slot_address_eq, insert_temp_slot_address): Support functions
2959 (find_temp_slot_from_address): Rewrite to use the new hash table.
2960 (remove_unused_temp_slot_addresses): Remove addresses of temp
2961 slots that have been made available.
2962 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2963 worker function for remove_unused_temp_slot_addresses.
2964 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2965 Add the temp slot address to the address -> temp slot map.
2966 (update_temp_slot_address): Update via insert_temp_slot_address.
2967 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2968 (pop_temp_slots): Likewise.
2969 (init_temp_slots): Allocate the address -> temp slot map, or empty
2970 the map if it is already allocated.
2971 (prepare_function_start): Initialize temp slot processing.
2973 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2976 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2977 Calculate the size of all stack vars assuming no packing of stack
2978 vars will happen, replacing a quadratic algorithm with a linear one.
2980 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2983 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2986 2009-01-03 Diego Novillo <dnovillo@google.com>
2988 * doc/contrib.texi: Update contributions.
2990 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2993 * builtins.c (fold_builtin_memory_op): Give up if either operand
2994 is volatile. Set srctype or desttype to non-qualified version
2998 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3001 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3003 PR rtl-optimization/35805
3004 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3005 problem if fast dce is able to remove any instructions.
3006 * dce.c (dce_process_block): Fix dump message.
3008 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3011 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3013 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3016 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3017 * tree-pretty-print.c (op_code_prio): New function.
3018 (op_prio): No longer static. Use op_code_prio.
3019 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3020 Use op_prio and op_code_prio to determine if () should be
3021 printed around operand(s) or not.
3023 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3024 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3025 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3026 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3027 pp_character instead of pp_string for single letter printing.
3029 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3031 * doc/extend.texi: Fix '#pragma GCC option' typo.
3033 2009-01-02 Richard Guenther <rguenther@suse.de>
3035 * doc/install.texi (--enable-checking): Mention different
3037 (--enable-stage1-checking): Document.
3039 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3042 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3043 case to be an error.
3045 2009-01-02 Ben Elliston <bje@au.ibm.com>
3047 * config/fp-bit.h (pack_d): Constify argument.
3048 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3049 (isnan): Constify argument.
3053 (_fpadd_parts): Constify return type.
3054 (_fpmul_parts): Likewise.
3055 (_fpdiv_parts): Likewise.
3057 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3060 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3061 warn about overwriting initializer with side-effects or
3062 -Woverride-init if !IMPLICIT.
3063 (output_init_element): Likewise. Pass IMPLICIT down to
3065 (process_init_element): Add IMPLICIT argument. Pass it down
3066 to output_init_element.
3067 (push_init_element, pop_init_level, set_designator): Adjust
3068 process_init_element callers.
3069 (set_nonincremental_init, set_nonincremental_init_from_string):
3070 Adjust add_pending_init callers.
3071 (output_pending_init_elements): Adjust output_init_element callers.
3072 * c-tree.h (process_init_element): Adjust prototype.
3073 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3074 process_init_element callers.