1 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
5 from different units in a single alternative.
6 (*truncdfsf_i387): Ditto.
7 (*truncxfsf2_mixed): Ditto.
8 (*truncxfdf2_mixed): Ditto.
10 2009-03-17 Jakub Jelinek <jakub@redhat.com>
12 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
13 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
16 * tree-ssa-live.c (remove_unused_locals): Don't remove local
17 unused non-artificial variables when not optimizing.
20 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
21 DW_TAG_imported_module even if decl is IMPORTED_DECL with
22 NAMESPACE_DECL in its DECL_INITIAL.
25 * optabs.c (set_user_assembler_libfunc): New function.
26 * expr.h (set_user_assembler_libfunc): New prototype.
27 * c-common.c: Include libfuncs.h.
28 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
29 for memcmp, memset, memcpy, memmove and abort.
30 * Makefile.in (c-common.o): Depend on libfuncs.h.
33 * dwarf2out.c (gen_inlined_enumeration_type_die,
34 gen_inlined_structure_type_die, gen_inlined_union_type_die,
35 gen_tagged_type_instantiation_die): Removed.
36 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
39 2009-03-17 Janis Johnson <janis187@us.ibm.com>
42 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
44 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
45 (check-parallel-%): Ditto.
46 (check-consistency): Ditto.
48 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
50 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
51 local variable rhs by NULL_TREE.
53 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
56 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
58 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
61 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
63 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
66 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
67 for ms->sysv ABI calls only in 64bit mode.
69 * config/i386/i386.md (untyped_call): Support 32bit.
71 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
73 * doc/extend.texi: Replace x86_65 with x86_64.
75 2009-03-16 Jakub Jelinek <jakub@redhat.com>
77 PR tree-optimization/39455
78 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
79 mismatches for POINTER_TYPE_P (type).
80 (number_of_iterations_le): Likewise.
82 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
84 * config/picochip/picochip.c: Removed profiling support.
85 * config/picochip/picochip.md: Removed profiling instruction.
86 * config/picochip/picochip.h: Removed profiling builtin.
88 2009-03-16 Joseph Myers <joseph@codesourcery.com>
90 * doc/install.texi (--with-host-libstdcxx): Document.
92 2009-03-14 Anatoly Sokolov <aesok@post.ru>
95 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
96 generate a warning if the function name does not begin with
97 "__vector" and the function has either the 'signal' or 'interrupt'
98 attribute, from here to ...
99 (avr_declare_function_name): ...here. New function.
100 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
101 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
103 2009-03-14 Jakub Jelinek <jakub@redhat.com>
106 * cse.c (fold_rtx): Don't modify original const_arg1 when
107 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
108 separate variable instead.
109 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
110 from out of range shift counts.
111 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
113 2008-03-13 Catherine Moore <clm@codesourcery.com>
115 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
116 diagnostic.h with $(DIAGNOSTIC_H).
118 2008-03-12 Jakub Jelinek <jakub@redhat.com>
121 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
123 * config/i386/sync.md (sync_compare_and_swap<mode>,
124 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
125 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
127 (sync_double_compare_and_swapdi_pic,
128 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
129 cmpxchg8b_pic_memory_operand instead of just memory_operand.
131 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
134 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
136 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
139 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
140 (avx_addsubv4df3): Likewise.
141 (*avx_addsubv4sf3): Likewise.
142 (sse3_addsubv4sf3): Likewise.
144 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
147 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
149 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
152 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
153 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
154 registers for allocnos created from user-defined variables.
156 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
159 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
160 of non-integer mode as well.
162 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
164 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
165 for functions for which the parameter types are unknown.
167 2009-03-11 Jakub Jelinek <jakub@redhat.com>
170 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
171 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
172 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
173 * config/i386/i386.c (ix86_local_alignment): For
174 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
175 long long variables on the stack to avoid dynamic realignment.
176 Allow the first argument to be a decl rather than type.
177 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
179 2009-03-11 Nick Clifton <nickc@redhat.com>
182 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
184 Add description to mno-lsim option.
185 * config/mcore/mcore.h: Remove comment about deprecated m4align
187 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
188 * doc/invoke.texi: Add description of mno-lsim and
189 mstack-increment options.
191 * config/fr30/fr30.opt: Document the -mno-lsim option.
192 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
193 and -mno-lsim options.
195 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
197 * fold-const.c (fold_comparison): Only call fold_inf_compare
198 if the mode supports infinities.
200 2009-03-11 Jason Merrill <jason@redhat.com>
203 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
204 end already did. Notice GIMPLE_CALL modifications of the result.
205 Don't copy debug information from an ignored decl or a decl from
208 2009-03-10 Richard Guenther <rguenther@suse.de>
209 Nathan Froyd <froydnj@codesourcery.com>
212 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
213 (__divMODE3): Likewise.
215 2009-03-09 Jakub Jelinek <jakub@redhat.com>
217 PR tree-optimization/39394
218 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
219 DECL_SIZE_UNIT of variable length FIELD_DECLs.
221 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
223 * recog.c (verfiy_changes): Disallow renaming of hard regs in
224 inline asms for register asm ("") declarations.
226 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
228 * fold-const.c (fold_unary): Fix comment.
230 2009-03-07 Jan Hubicka <jh@suse.cz>
233 * tree-inline.c (setup_one_parameter): Do replacement of const argument
234 by constant in SSA form.
236 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
239 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
240 determine alignment passed to assign_stack_local.
241 (assign_parms_unsplit_complex): Likewise.
242 * except.c (sjlj_build_landing_pads): Likewise.
244 2009-03-06 Jakub Jelinek <jakub@redhat.com>
247 * tree-flow.h (add_referenced_var): Return bool instead of void.
248 * tree-dfa.c (add_referenced_var): Return result of
249 referenced_var_check_and_insert call.
250 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
251 of referenced_var_check_and_insert.
254 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
255 (gen_variable_die): Emit DW_AT_location on abstract static variable's
256 DIE, don't emit it if abstract origin already has it.
257 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
258 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
260 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
262 * genpreds.c: (needs_variable): Fix parentheses at variable name
264 (write_tm_constrs_h): Indent generated code.
266 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
268 * doc/extend.texi (Function Attributes): Add documentation
271 2009-03-06 Jakub Jelinek <jakub@redhat.com>
274 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
275 take locus from its DECL_SOURCE_LOCATION instead of input_location.
277 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
279 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
282 2009-03-05 Jakub Jelinek <jakub@redhat.com>
285 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
286 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
288 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
290 * config/i386/i386.md (R8_REG, R9_REG): New constants.
291 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
292 constants instead of magic numbers.
293 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
295 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
296 (x86_64_ms_abi_int_parameter_registers): Ditto.
297 (x86_64_int_return_registers): Ditto.
298 (ix86_maybe_switch_abi): Ditto.
299 (ix86_expand_call): Ditto for clobbered_registers array.
300 (ix86_hard_regno_mode_ok): Ditto.
301 (x86_extended_QIreg_mentioned_p): Ditto.
303 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
305 PR tree-optimization/39349
306 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
308 * combine.c (gen_lowpart_for_combine): Use omode when generating
311 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
313 PR rtl-optimization/39235
314 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
316 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
318 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
320 2009-03-04 Richard Guenther <rguenther@suse.de>
322 PR tree-optimization/39362
323 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
324 that occur in abnormal PHIs should be varying.
326 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
328 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
330 (simple_iv): Take loop as an argument instead of statement.
331 * tree-scalar-evolution.h (simple_iv): Declaration changed.
332 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
334 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
336 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
337 * matrix-reorg.c (analyze_transpose): Ditto.
338 * tree-data-ref.c (dr_analyze_innermost): Ditto.
339 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
340 * tree-predcom.c (ref_at_iteration): Ditto.
341 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
343 2009-03-04 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/39358
346 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
347 escaped_id and callused_id.
348 (solve_graph): Likewise.
350 2009-03-04 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/39339
353 * tree-sra.c (try_instantiate_multiple_fields): Make it
354 no longer ICE on the above.
356 2009-03-03 Joseph Myers <joseph@codesourcery.com>
358 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
359 that fits within Pmode.
361 2009-03-03 Steve Ellcey <sje@cup.hp.com>
364 * tm.texi (LIBCALL_VALUE): Update description.
366 2009-03-03 Steve Ellcey <sje@cup.hp.com>
369 * doc/extend.texi (section): Update description.
371 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
374 * tree-inline.c (remapped_type): New.
375 (can_be_nonlocal): Call remapped_type instead of remap_type.
377 2009-03-03 Jakub Jelinek <jakub@redhat.com>
380 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
381 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
383 2009-03-03 Richard Guenther <rguenther@suse.de>
386 * tree.c (tree_nonartificial_location): New function.
387 * tree.h (tree_nonartificial_location): Declare.
388 * builtins.c (expand_builtin_memory_chk): Provide location
389 of the call location for artificial function pieces.
390 (maybe_emit_chk_warning): Likewise.
391 (maybe_emit_sprintf_chk_warning): Likewise.
392 (maybe_emit_free_warning): Likewise.
393 * expr.c (expand_expr_real_1): Likewise.
395 2009-03-03 Jakub Jelinek <jakub@redhat.com>
397 PR tree-optimization/39343
398 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
399 COMPONENT_REF t has ARRAY_TYPE.
401 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
404 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
405 when the type precision of the induction variable should be
406 larger than the type precision of nit.
407 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
408 * graphite.c (graphite_loop_normal_form): Same.
409 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
411 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
413 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
414 (*call_1_rex64_ms_sysv): Use named constants instead of magic
415 numbers to describe clobbered registers.
416 (*call_value_0_rex64_ms_sysv): Ditto.
417 * config/i386/mmx.md (mmx_emms): Ditto.
420 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
422 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
425 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
427 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
428 (spu_section_type_flags): New function.
430 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
432 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
433 reg_class_contents of FLOAT_REGS into a temporary.
435 2009-03-02 Richard Guenther <rguenther@suse.de>
436 Ira Rosen <irar@il.ibm.com>
438 PR tree-optimization/39318
439 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
440 information to the vectorized statement.
442 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
444 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
445 variable. Use defined names instead of magic constants for REX SSE
448 2009-03-01 Richard Guenther <rguenther@suse.de>
450 PR tree-optimization/39331
451 * omp-low.c (lower_send_shared_vars): Do not receive new
452 values for the reference of DECL_BY_REFERENCE parms or results.
454 2009-03-01 Jan Hubicka <jh@suse.cz>
457 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
458 BLOCK_NONLOCALIZED_VAR): New macros.
459 (tree_block): Add nonlocalized_vars.
460 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
461 gen_decl_die): Add origin argument. Allow generation of die with
463 (gen_member_die, gen_type_die_with_usage, force_decl_die,
464 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
466 (gen_block_die): Fix checking for unused blocks.
467 (process_scope_var): Break out from .... ; work with origins only.
468 (decls_for_scope) ... here; process nonlocalized list.
469 (dwarf2out_ignore_block): Look for nonlocalized vars.
470 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
472 (dump_scope_block): Dump them.
473 * tree-inline.c (remap_decls): Handle nonlocalized vars.
474 (remap_block): Likewise.
475 (can_be_nonlocal): New predicate.
476 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
478 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
480 * configure: Regenerate.
482 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
484 * optc-gen.awk: No need to duplicate option flags twice.
485 Reuse help texts for duplicate options which do not have any.
487 * gcc.c (display_help): Document --version.
489 * gcc.c (main): If print_help_list and verbose_flag, ensure
490 driver output comes before subprocess output.
492 * optc-gen.awk: Assign all remaining fields to help string,
493 space-separated, for multi-line help in *.opt.
495 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
496 -Wno-pedantic-ms-format is for MinGW targets only.
498 * doc/options.texi (Option file format): Fix bad indentation,
499 restoring dropped sentence.
501 2009-02-28 Jan Hubicka <jh@suse.cz>
503 * tree-inline.c (tree_function_versioning): Output debug info.
505 2009-02-28 Jan Hubicka <jh@suse.cz>
508 * tree-inline.c (setup_one_parameter): Do not copy propagate
509 arguments when not optimizing.
511 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
514 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
515 (avx_addsubv4df3): Likewise.
516 (*avx_addsubv4sf3): Likewise.
517 (sse3_addsubv4sf3): Likewise.
518 (*avx_addsubv2df3): Likewise.
519 (sse3_addsubv2df3): Likewise.
520 (avx_unpckhps256): Correct item selectors.
521 (avx_unpcklps256): Likewise.
522 (avx_unpckhpd256): Likewise.
523 (avx_unpcklpd256): Likewise.
525 2009-02-28 Jan Hubicka <jh@suse.cz>
527 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
529 (copy_arguments_for_versioning): If var is declared don't declare it.
530 (tree_function_versioning): First setup substitutions and then copy
533 2009-02-27 Jan Hubicka <jh@suse.cz>
536 * cgraph.h (varpool_output_debug_info): Remove.
537 * cgraphunit.c (varpool_output_debug_info): Remove.
538 * dwarf2out.c (deferred_locations_struct): New struct
539 (deferred_locations): New type.
540 (deferred_locations_list): New static var.
541 (deffer_location): New function.
542 (gen_variable_die): Use it.
543 (decls_for_scope): Output info on local static vars.
544 (dwarf2out_finish): Process deferred locations.
545 * varpool.c (varpool_output_debug_info): Remove.
547 2009-02-27 Jan Hubicka <jh@suse.cz>
550 * tree.h (TREE_PROTECTED): Fix comment.
551 (BLOCK_HANDLER_BLOCK): Remove.
552 (struct tree_block): Remove handler_block add body_block.
553 (inlined_function_outer_scope_p): New.
554 (is_body_block): Remove.
555 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
556 * dwarf2out.c (is_inlined_entry_point): Remove.
557 (add_high_low_attributes): Use inlined_function_outer_scope_p.
558 (gen_block_die): Use is_inlined_entry_point check. Remove body block
560 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
561 * gimplify.c (gimplify_expr): Gimplify body blocks.
562 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
563 block with multiple subblocks.
564 (dump_scope_block): Prettier output; dump more flags and info.
565 (dump_scope_blocks): New.
566 (remove_unused_locals): Use dump_scope_blocks.
567 * tree-flow.h (dump_scope_blocks): Declare.
568 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
569 * stmt.c (is_body_block): Remove.
570 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
571 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
573 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
576 * graphite.c (graphite_loop_normal_form): Do not call
577 number_of_iterations_exit from a gcc_assert.
579 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
581 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
582 jumps if COND is NULL.
583 (find_cond_jump): New function.
584 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
585 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
587 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
589 * config/alpha/alpha.h (alpha_expand_mov): Return false if
590 force_const_mem returns NULL_RTX.
592 2009-02-26 Jan Hubicka <jh@suse.cz>
595 * cgraph.h (varpool_output_debug_info): Remove.
596 * cgraphunit.c (varpool_output_debug_info): Remove.
597 * dwarf2out.c (deferred_locations_struct): New struct
598 (deferred_locations): New type.
599 (deferred_locations_list): New static var.
600 (deffer_location): New function.
601 (gen_variable_die): Use it.
602 (decls_for_scope): Output info on local static vars.
603 (dwarf2out_finish): Process deferred locations.
604 * varpool.c (varpool_output_debug_info): Remove.
606 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
608 PR rtl-optimization/39241
609 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
610 to subreg_offset_representable_p.
612 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
614 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
615 execute function prototype. Get f and nregs from max_reg_num
616 and get_insns. Remove the first backward pass as it's dead,
617 guard the forward pass by flag_expensive_optimizations.
618 (rest_of_handle_regmove): Delete.
619 (pass_regmove): Replace it with regmove_optimize.
621 2009-02-25 Martin Jambor <mjambor@suse.cz>
623 PR tree-optimization/39259
624 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
625 calls_alloca function flags.
626 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
629 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
631 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
632 flags_set_1_rtx, flags_set_1_set): Delete.
633 (regmove_optimize): Do not call mark_flags_life_zones.
635 2009-02-24 Julian Brown <julian@codesourcery.com>
638 * config/arm/arm.c (require_pic_register): Only set
639 cfun->machine->pic_reg once per function.
641 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
643 * doc/invoke.texi (Link Options): Document an easier way to pass
644 options that take arguments to the GNU linker using -Xlinker and -Wl.
646 2009-02-24 Steve Ellcey <sje@cup.hp.com>
649 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
651 2009-02-24 Richard Guenther <rguenther@suse.de>
654 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
656 2009-02-24 Richard Guenther <rguenther@suse.de>
657 Zdenek Dvorak <ook@ucw.cz>
659 PR tree-optimization/39233
660 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
661 from converting them to a generic type.
663 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
665 PR tree-optimization/39260
666 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
667 contains a condition with a real type.
668 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
670 2009-02-23 Jason Merrill <jason@redhat.com>
673 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
674 narrowing_initializer_constant_valid_p.
675 (narrowing_initializer_constant_valid_p): Don't return
676 null_pointer_node for adding a pointer to itself.
678 2009-02-23 Jan Hubicka <jh@suse.cz>
681 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
684 2009-02-23 Jan Hubicka <jh@suse.cz>
686 PR tree-optimization/37709
687 * tree.c (block_ultimate_origin): Move here from dwarf2out.
688 * tree.h (block_ultimate_origin): Declare.
689 * dwarf2out.c (block_ultimate_origin): Move to tree.c
690 * tree-ssa-live.c (remove_unused_scope_block_p):
691 Eliminate blocks containig no instructions nor live variables nor
693 (dump_scope_block): New function.
694 (remove_unused_locals): Enable removal of dead blocks by default;
695 enable dumping at TDF_DETAILS.
697 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
699 * config/i386/i386.c (classify_argument): Don't allow COImode
701 (function_arg_advance_32): Don't allow OImode.
702 (function_arg_32): Likewise.
703 (function_value_32): Likewise.
704 (return_in_memory_32): Likewise.
705 (function_arg_64): Remove OImode comment.
707 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
710 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
711 ix86_expand_vector_set for V4DImode in 64bit mode only.
712 (ix86_expand_vector_init_one_var): Likewise.
714 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
716 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
718 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
721 * loop-iv.c: Revert last change.
722 * emit-rtl.c: Likewise.
724 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
727 * config/i386/i386.c (type_natural_mode): Remove an extra
728 space in the warning message.
729 (function_value_32): Handle 32-byte vector modes.
730 (return_in_memory_32): Likewise.
732 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
734 * loop-iv.c (truncate_value): New function.
735 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
737 (lowpart_subreg): Move to...
738 * emit-rtl.c: ...here.
740 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
742 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
743 accidental and undocumented change at revision 140860.
745 2009-02-21 Joseph Myers <joseph@codesourcery.com>
747 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
748 take gimple_seq * arguments.
749 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
750 types_compatible_p langhook.
752 2009-02-20 Mark Mitchell <mark@codesourcery.com>
753 Joseph Myers <joseph@codesourcery.com>
755 * config/arm/arm.c (arm_builtin_va_list): New function.
756 (arm_expand_builtin_va_start): Likewise.
757 (arm_gimplify_va_arg_expr): Likewise.
758 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
759 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
760 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
761 (va_list_type): New variable.
762 (arm_mangle_type): Mangle va_list_type appropriately.
764 2009-02-20 Jakub Jelinek <jakub@redhat.com>
767 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
768 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
769 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
770 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
771 parameter to 1000 for -O1 by default.
772 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
774 * loop-invariant.c: Include params.h.
775 (move_loop_invariants): Don't call move_single_loop_invariants on
778 2009-02-20 Jaka Mocnik <jaka@xlab.si>
780 * calls.c (emit_library_call_value_1): Use slot_offset instead of
781 offset when calculating bounds for indexing stack_usage_map. Fixes
782 a buffer overflow with certain target setups.
784 2009-02-20 Jakub Jelinek <jakub@redhat.com>
787 * calls.c (expand_call): Clear try_tail_call if caller and callee
788 disagree in promotion of function return value.
790 2009-02-19 Jakub Jelinek <jakub@redhat.com>
793 * c-common.c (c_determine_visibility): If visibility changed and
794 DECL_RTL has been already set, call make_decl_rtl to update symbol
797 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
800 * varasm.c (assemble_variable): Don't check DECL_NAME when
801 globalizing a variable.
803 2009-02-19 Joseph Myers <joseph@codesourcery.com>
806 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
807 expression before any __builtin_trap call.
808 * c-typeck.c (build_function_call): Convert and check function
809 arguments before generating a call to a trap. Evaluate the
810 function arguments before the trap.
812 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
815 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
816 (UNSPEC_FXAM_MEM): New unspec.
817 (fxam<mode>2_i387_with_temp): New insn and split pattern.
818 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
819 memory using fxam<mode>2_i387_with_temp to remove excess precision.
821 2009-02-19 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/39207
824 PR tree-optimization/39074
825 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
826 storedanything_tree): New.
827 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
828 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
829 (build_succ_graph): Add edges from STOREDANYTHING to all
831 (init_base_vars): Initialize STOREDANYTHING.
832 (compute_points_to_sets): Free substitution info after
833 building the succ graph.
834 (ipa_pta_execute): Likewise.
836 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
838 (do_ds_constraint): Do not add to special var or non-pointer
840 (type_could_have_pointers): Split out from ...
841 (could_have_pointers): ... here. For arrays use the element type.
842 (create_variable_info_for): Initialize may_have_pointers.
843 (new_var_info): Likewise.
844 (handle_lhs_call): Make the HEAP variable unknown-sized.
845 (intra_create_variable_infos): Use a type with pointers for
846 PARM_NOALIAS, make it unknown-sized.
848 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
851 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
853 2009-02-18 Jason Merrill <jason@redhat.com>
856 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
857 value if DECL_EXTERNAL.
858 * tree-sra.c (sra_walk_gimple_assign): Likewise.
859 * target.h (gcc_target::binds_local_p): Clarify "module".
860 * tree.h (TREE_PUBLIC): Clarify "module".
862 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
865 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
866 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
868 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
871 * c.opt (Wabi): Support C and ObjC.
874 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
876 * config/i386/i386.c (classify_argument): Warn once about the ABI
877 change when passing union with long double.
879 * doc/invoke.texi: Update -Wabi for warning psABI changes.
881 2009-02-18 Joseph Myers <joseph@codesourcery.com>
884 * c-parser.c (c_parser_compound_statement): Always enter and leave
887 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
890 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
892 2009-02-18 Jakub Jelinek <jakub@redhat.com>
894 PR tree-optimization/36922
895 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
896 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
899 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
901 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
904 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
906 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
908 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
910 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
913 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
914 Richard Sandiford <rdsandiford@googlemail.com>
916 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
917 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
918 (loongson_biadd): ...this.
920 2009-02-17 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/39202
923 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
924 a var make sure to follow existing collapses.
926 2009-02-17 Richard Guenther <rguenther@suse.de>
929 * langhooks.c (lhd_print_error_function): Check for NULL block.
931 2009-02-17 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/39204
934 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
937 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
939 * config/soft-fp/double.h: Update from glibc CVS.
941 2009-02-17 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/39207
944 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
945 strict-aliasing warnings for pointers pointing to NULL.
947 2009-02-16 Joseph Myers <joseph@codesourcery.com>
950 * c-parser.c (c_parser_braced_init): Call pop_init_level when
951 skipping until next close brace.
953 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
956 * config/i386/i386.c (ix86_expand_push): Set memory alignment
957 to function argument boundary.
959 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
961 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
962 in the lea_add. Reload eventually constraints it properly.
963 * config/picochip/constraints.md : Remove the target constraint
964 "b", since it is not needed anymore.
966 2009-02-16 Jakub Jelinek <jakub@redhat.com>
968 * gthr-dce.h: Uglify function parameter and local variable names.
969 * gthr-gnat.h: Likewise.
970 * gthr-mipssde.h: Likewise.
971 * gthr-nks.h: Likewise.
972 * gthr-posix95.h: Likewise.
973 * gthr-posix.h: Likewise.
974 * gthr-rtems.h: Likewise.
975 * gthr-single.h: Likewise.
976 * gthr-solaris.h: Likewise.
977 * gthr-tpf.h: Likewise.
978 * gthr-vxworks.h: Likewise.
979 * gthr-win32.h: Likewise.
981 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
984 * config/i386/i386.md: Restrict the new peephole2 to move
985 between MMX/SSE registers.
987 2009-02-15 Richard Guenther <rguenther@suse.de>
990 2009-02-13 Richard Guenther <rguenther@suse.de>
992 * configure.ac: Enable LFS.
993 * configure: Re-generate.
994 * config.in: Likewise.
996 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
998 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
999 spu_srqwbyte, spu_srqwbytebc): Define.
1000 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1001 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1002 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1003 "shrqby_<mode>"): New insn-and-split patterns.
1004 * config/spu/spu.c (expand_builtin_args): Determine and return
1005 number of operands using spu_builtin_description data.
1006 (spu_expand_builtin_1): Use it.
1008 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1011 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1014 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1017 * config/i386/i386.c (override_options): Correct warning
1018 messages for -malign-loops, -malign-jumps and -malign-functions.
1020 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1023 * config/i386/i386.md: Restrict the new peephole2 to move
1024 between the general purpose registers.
1026 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1029 * config/i386/i386.c (type_natural_mode): Add a new argument.
1030 Return the original mode and warn ABI change if vector size is 32byte.
1031 (function_arg_advance): Updated.
1032 (function_arg): Likewise.
1033 (ix86_function_value): Likewise.
1034 (ix86_return_in_memory): Likewise.
1035 (ix86_sol10_return_in_memory): Likewise.
1036 (ix86_gimplify_va_arg): Likewise.
1037 (function_arg_32): Don't warn ABX ABI change here.
1038 (function_arg_64): Likewise.
1040 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1042 * loop-iv.c (implies_p): In the final case, test that operands 0
1043 of the two comparisons match.
1045 * config/bfin/bfin.c (find_prev_insn_start): New function.
1046 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1047 (find_next_insn_start): Move.
1049 2009-02-13 Richard Guenther <rguenther@suse.de>
1051 * configure.ac: Enable LFS.
1052 * configure: Re-generate.
1053 * config.in: Likewise.
1055 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1058 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1059 sizes on syntax error after some arguments have been parsed.
1061 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1063 * doc/invoke.texi (-fira): Remove.
1065 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1067 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1068 * recog.c: Likewise.
1071 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1073 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1074 (umul_ppmm): Likewise.
1075 (count_leading_zeros): Likewise.
1076 (count_trailing_zeros): Likewise.
1077 (UMUL_TIME): Likewise.
1079 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1081 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1082 soft-fp/t-softfp to tmake_file.
1084 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1085 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1086 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1087 IA64_BUILTIN_INFQ]: New.
1088 (ia64_init_builtins): Initialize __builtin_infq,
1089 __builtin_fabsq and __builtin_copysignq if not HPUX.
1090 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1091 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1093 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1095 (__fixtfti): Likewise.
1096 (__fixunstfti): Likewise.
1097 (__floattitf): Likewise.
1099 * config/ia64/libgcc-glibc.ver: New.
1100 * config/ia64/t-fprules-softfp: Likewise.
1101 * config/ia64/sfp-machine.h: Likewise.
1103 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1104 (LIBGCC2_TF_CEXT): Likewise.
1105 (TF_SIZE): Likewise.
1106 (TARGET_INIT_LIBFUNCS): Likewise.
1108 * config/ia64/t-glibc (SHLINB_MAPFILES):
1109 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1111 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1113 * config/i386/i386.c (construct_container): Rewrite processing
1114 BLKmode with X86_64_SSE_CLASS.
1116 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1119 * config/i386/i386.md: Replace simplify_replace_rtx with
1120 replace_rtx in the new peephole2.
1122 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1124 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1125 loop unrolling do not happen at -O2.
1127 2009-02-12 Michael Matz <matz@suse.de>
1129 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1131 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1133 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1136 2009-02-12 Ben Elliston <bje@au.ibm.com>
1138 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1139 patterns when updating the back chain. Missed in the 2009-02-10
1142 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1144 * doc/extend.texi (Decimal Floating Types): Update identifier of
1145 draft TR and list of missing support.
1147 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1150 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1151 bit to variable length decl's flags, add it also to its
1152 pointer replacement variable.
1154 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1155 Jakub Jelinek <jakub@redhat.com>
1158 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1159 (memory_blockage): New expander.
1160 (*memory_blockage): New insn pattern.
1161 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1162 instead of general blockage at the end of function prologue when
1163 frame pointer is used to access red zone area. Do not emit blockage
1164 when profiling, it is emitted in generic code.
1165 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1166 function epilogue when frame pointer is used to access red zone area.
1168 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1171 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1172 by arithmetic with memory operands.
1173 * config/i386/predicates.md (commutative_operator): New.
1175 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1177 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1180 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1182 * alias.h (record_alias_subset): Declare.
1183 * alias.c (record_alias_subset): Make global.
1185 2009-02-10 Nick Clifton <nickc@redhat.com>
1187 * tree-parloops.c: Change license to GPLv3.
1188 * ipa-struct-reorg.c: Change license to GPLv3.
1189 * ipa-struct-reorg.h: Change license to GPLv3.
1191 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1194 * c-decl.c (start_struct): Return NULL on error.
1196 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1199 * cfgloopmanip.c (remove_path): Call remove_bbs after
1200 cancel_loop_tree, not before it.
1203 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1204 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1205 VAR_DECLs were seen.
1206 * tree-ssa-live.c (remove_unused_locals): Recompute
1207 cfun->has_local_explicit_reg_vars.
1208 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1209 copies or clearings if cfun->has_local_explicit_reg_vars.
1211 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1214 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1215 of function prologue when frame pointer is used to access
1218 2009-02-10 Richard Guenther <rguenther@suse.de>
1221 * gimplify.c (gimple_regimplify_operands): Always look if
1222 we need to create a temporary.
1224 2009-02-10 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/39132
1227 * tree-loop-distribution.c (todo): New global var.
1228 (generate_memset_zero): Trigger TODO_rebuild_alias.
1229 (tree_loop_distribution): Return todo.
1231 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1234 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1235 (x86_64_reg_class_name): Removed.
1236 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1237 first one isn't X86_64_SSE_CLASS or any other ones aren't
1238 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1239 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1240 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1241 and 3 X86_64_SSEUP_CLASS.
1242 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1243 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1245 2009-02-10 Ben Elliston <bje@au.ibm.com>
1247 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1248 form instruction to update the stack back chain word, even if the
1249 user has disabled the generation of update instructions.
1250 (movdi_<mode>_update_stack): New.
1251 (movsi_update_stack): Likewise.
1252 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1253 always use an update form instruction to update the stack back
1256 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1259 * graphite.c (if_region_set_false_region): After moving a region in
1260 the false branch of a condition, remove the empty dummy basic block.
1261 (gloog): Remove wrong fix for PR38953.
1263 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1265 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1266 generation due to implicit sign extension.
1268 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1271 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1272 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1274 2009-02-09 Richard Guenther <rguenther@suse.de>
1277 * convert.c (convert_to_real): Disable (float)fn((double)x)
1278 to fnf(x) conversion if errno differences may occur and
1279 -fmath-errno is set.
1281 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1283 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1284 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1285 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1287 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1290 * c-common.c (handle_alias_attribute): Disallow attribute for
1291 anything not a FUNCTION_DECL or VAR_DECL.
1293 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1296 * real.c (do_compare): Special-case compare of zero against
1297 decimal float value.
1299 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1302 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1303 as indicating flexible array members unless the field itself is
1304 being declarared as the incomplete array.
1306 2009-02-06 Jan Hubicka <jh@suse.cz>
1308 PR tree-optimization/38844
1309 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1312 2009-02-06 Richard Guenther <rguenther@suse.de>
1315 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1316 fork because we may expand it as __gcov_fork.
1318 2009-02-06 Nick Clifton <nickc@redhat.com>
1320 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1322 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1324 PR tree-optimization/35659
1325 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1326 vn_phi_eq): Shortcut if hashcode does not match.
1327 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1329 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1330 and avoid iterative_hash_expr.
1331 (FOR_EACH_VALUE_ID_IN_SET): New.
1332 (value_id_compare): Remove.
1333 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1334 sort expressions by value id.
1336 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1339 * config/sh/predicates.md (general_movsrc_operand): Don't check
1340 the subreg of system registers here.
1342 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1345 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1348 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1350 PR rtl-optimization/39110
1351 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1352 addresses, not aligned ones.
1354 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1355 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/39100
1358 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1359 comment says and add edges.
1361 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1364 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1365 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1367 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1369 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1370 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1371 register_bb_in_sese, new_sese, free_sese): Moved.
1372 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1373 outermost_loop_in_scop, build_scop_iteration_domain,
1374 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1375 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1376 Use loop_in_sese_p instead of loop_in_scop_p.
1377 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1378 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1379 (scopdet_basic_block_info): Fix bug in scop detection.
1380 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1381 eq_loop_to_cloog_loop): Remove.
1382 (nb_loops_around_loop_in_scop, nb_loop
1383 ref_nb_loops): Moved here...
1384 * graphite.h (ref_nb_loops): ... from here.
1385 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1386 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1387 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1388 * testsuite/gcc.dg/graphite/scop-19.c: New
1390 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1391 Hans-Peter Nilsson <hp@axis.com>
1393 PR rtl-optimization/37889
1394 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1395 Move offset handling from PLUS to before the switch. Use new
1396 arguments when considering SYMBOL_REFs too.
1397 (rtx_addr_can_trap_p): Pass dummy offset and size.
1398 (enum may_trap_p_flags): Remove.
1399 (may_trap_p_1): Pass size from MEM_SIZE.
1401 PR rtl-optimization/38921
1402 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1403 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1404 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1405 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1407 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1409 AVX Programming Reference (January, 2009)
1410 * config/i386/sse.md (*vpclmulqdq): New.
1412 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1414 PR tree-optimization/38977
1415 PR gcov-profile/38292
1416 * calls.c (special_function_p): Disregard __builtin_ prefix.
1418 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1420 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1421 non-indexable addresses even before reload.
1423 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1426 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1427 as having variable size. Do not give an error for unnamed
1428 parameters with [*] declarators. Give a warning for type names
1429 with [*] declarators and mark them as variable size.
1430 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1431 for sizeof applied to [*] type names.
1433 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1436 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1438 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1440 * gcc.c (process_command): Update copyright notice dates.
1441 * gcov.c (print_version): Likewise.
1442 * gcov-dump.c (print_version): Likewise.
1443 * mips-tfile.c (main): Likewise.
1444 * mips-tdump.c (main): Likewise.
1446 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1449 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1450 for composite type involving a zero-length array type.
1452 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1455 * function.c (match_asm_constraints_1): Skip over
1456 initial optional % in the constraint.
1459 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1460 supported, don't accept FIXED_CSTs.
1461 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1462 and _Sat is used without _Fract/_Accum. Set specs->type to
1463 integer_type_node for cts_fract/cts_accum if fixed point is not
1466 2009-02-02 Catherine Moore <clm@codesourcery.com>
1468 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1470 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1472 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1473 (ABI_HAS_64BIT_SYMBOLS): Use it.
1474 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1476 2009-02-02 Paul Brook <paul@codesourcery.com>
1478 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1480 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1483 * recog.h (asm_operand_ok): Add constraints argument.
1484 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1485 recurse on matching constraint.
1486 (check_asm_operands): Pass constraints as 3rd argument to
1487 asm_operand_ok. Don't look up matching constraint here.
1488 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1491 2009-02-02 Ben Elliston <bje@au.ibm.com>
1493 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1494 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1496 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1498 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1499 information. Remove some obsolete information. Reorganize.
1501 * config/pa/fptr.c: Revert license to GPL 2.
1502 * config/pa/milli64.S: Likewise.
1504 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1507 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1508 LIBRARY name in, instead of hard-coding it.
1509 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1510 extra target make frag to tmake_files according to EH model.
1511 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1512 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1513 frags that define makefile variable EH_MODEL appropriately.
1514 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1515 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1516 to "-sjlj" according to type of EH configured.
1517 (LIBGCC_SONAME): Concatenate it to shared library base name.
1518 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1519 to "_sjlj" according to type of EH configured.
1520 (LIBGCC_SONAME): Concatenate it to shared library base name.
1521 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1522 (SHLIB_LINK): Add missing semicolon to if-else construct.
1523 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1524 string value of "pe_dll" command-line option.
1525 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1526 (SHLIB_SONAME): Use it when overriding t-cygming default.
1527 (SHLIB_IMPLIB): Override t-cygming default.
1528 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1529 string value of "pe_dll" command-line option.
1531 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1534 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1535 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1537 2009-01-31 Richard Guenther <rguenther@suse.de>
1539 PR tree-optimization/38937
1540 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1541 computing the transitive closure.
1543 2009-01-30 Richard Guenther <rguenther@suse.de>
1545 PR tree-optimization/39041
1546 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1547 Propagate variable indices only if the types match for this stmt.
1549 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1552 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1553 inline but never defined.
1555 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1557 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1558 (*insv_h_di_reg_extimm): New insn.
1559 (*insv_l<mode>_reg_extimm): New insn.
1561 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1563 * config/picochip/picochip.c (flag_conserve_stack): set
1564 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1565 fconserve-stack. Reduce call-overhead used by inliner.
1567 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1570 * common.opt (flag_conserve_stack): Initialised to zero.
1572 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1575 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1576 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1579 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1581 * ira-color.c (allocno_reload_assign): Update comments.
1582 * regmove.c (regmove_optimize): Likewise.
1586 2009-01-29 Robert Millan <rmh@aybabtu.com>
1588 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1589 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1590 `MD_UNWIND_SUPPORT'.
1591 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1593 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1595 PR tree-optimization/39007
1596 * tree-loop-distribution.c (generate_builtin): Use
1597 recompute_dominator to compute the immediate dominator of the
1598 basic block just after the loop.
1600 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1602 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1603 (ASM_OUTPUT_DWARF_PCREL): Define.
1605 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1607 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1608 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1609 global. Modify entries about regmove and IRA.
1611 * ra-conflict.c: Remove the file.
1613 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1615 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1616 (pass_regclass_init): Rename to pass_reginfo_init.
1618 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1620 * toplev.h (flag_ira): Remove.
1622 * caller-save.c (setup_save_areas): Remove flag_ira.
1624 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1626 * global.c: Remove the file.
1628 * opts.c: (decode_options): Remove flag_ira.
1630 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1632 * regmove.c: Modify file description.
1633 (find_use_as_address, try_auto_increment): Define them only if
1634 AUTO_INC_DEC is defined.
1635 (replacement_quality, replace_in_call_usage, fixup_match_1,
1636 stable_and_no_regs_but_for_p): Remove.
1637 (reg_set_in_bb): Make it static.
1638 (regmove_optimize): Remove flag_ira and code which worked for
1641 * local-alloc.c: Remove the file.
1643 * common.opt (fira): Remove.
1645 * ira.c: Include except.h.
1646 (eliminable_regset): Move from global.c.
1647 (mark_elimination): Ditto. Remove flag_ira.
1648 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1649 equiv_mem_modified, validate_equiv_mem_from_store,
1650 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1651 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1652 no_equiv, recorded_label_ref): Move from local-alloc.c.
1653 (update_equiv_regs): Ditto. Make it static.
1654 (print_insn_chain, print_insn_chains): Move it from global.c.
1655 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1656 (build_insn_chain): Ditto. Make it static.
1657 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1658 Rename to init_live_subregs.
1659 (gate_ira): Remove flag_ira.
1661 * regclass.c: Rename reginfo.c. Change file description.
1662 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1663 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1664 (init_reg_sets_1): Remove code for evaluation of
1665 reg_class_superclasses and losing_caller_save_reg_set.
1666 (init_regs): Remove init_reg_autoinc.
1667 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1668 ok_for_base_p_nonstrict): Remove.
1669 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1670 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1671 corresponding entries.
1672 (dump_regclass, record_operand_costs, scan_one_insn,
1673 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1674 record_address_regs, auto_inc_dec_reg_p): Remove.
1675 (gt-regclass.h): Rename to gt-reginfo.h.
1677 * rtl.h (dump_global_regs, retry_global_alloc,
1678 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1680 * Makefile.in (RA_H): Remove.
1681 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1682 Rename regclass.o to reginfo.o.
1683 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1685 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1686 (GTFILES): Rename regclass.c to reginfo.c.
1688 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1689 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1691 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1692 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1694 (finish_spills): Ditto. Remove code for !flag_ira.
1696 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1699 * doc/invoke.texi (rtl debug options): Complete rewrite.
1700 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1702 * mode-switching.c (pass_mode_switching): Rename pass from
1703 "mode-sw" to "mode_sw".
1704 * except.c (pass_convert_to_eh_ranges): Rename pass from
1705 "eh-ranges" to "eh_ranges".
1706 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1710 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1711 Alexander Monakov <amonakov@ispras.ru>
1714 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1716 (move_exprs_to_boundary): Change return type and pass through
1717 should_move from move_op. Relax assert. Update usage ...
1718 (schedule_expr_on_boundary): ... here. Use should_move instead of
1720 (move_op_orig_expr_found): Indicate that insn was disconnected from
1722 (code_motion_process_successors): Do not call after_merge_succs
1723 callback if original expression was not found when traversing any of
1725 (code_motion_path_driver): Change return type. Update prototype.
1726 (move_op): Update comment. Add a new parameter (should_move). Update
1727 prototype. Set *should_move based on indication provided by
1728 move_op_orig_expr_found.
1730 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1732 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1733 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1734 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1735 * config/rs6000/rs6000.c (rs6000_override_options): Default
1736 avoid-indexed-addresses on for Power6, off for everything else.
1737 (avoiding_indexed_address_p): New function.
1738 (rs6000_legitimize_address): Use it.
1739 (rs6000_legitimate_address): Likewise.
1740 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1742 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1744 PR tree-optimization/38997
1745 * tree-loop-distribution.c (generate_memset_zero): Use
1746 POINTER_PLUS_EXPR for a pointer addition.
1748 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1750 * config/s390/s390.md (bswap<mode>2): New pattern added.
1752 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1754 * config/s390/s390.md (*tls_load_31): Added type attribute.
1756 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1758 * config/s390/s390.md: Fix a few comments.
1760 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1762 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1763 (*tm<mode>_full): Fixed z10prop attribute.
1764 (*tst<mode>_extimm): Fixed z10prop attribute.
1765 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1766 (*tstqiCCT_cconly): Fixed z10prop attribute.
1767 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1768 (*movsi_larl): Fixed z10prop attribute.
1769 (*movsi_zarch): Fixed z10prop attribute.
1770 (*movsi_eas): Fixed z10prop attribute.
1771 (*movhi): Fixed z10prop attribute.
1772 (*movqi): Fixed z10prop attribute.
1773 (*movstrictqi): Fixed z10prop attribute.
1774 (*mov<mode>): Fixed z10prop attribute.
1775 (*movcc): Fixed z10prop attribute.
1776 (*sethighpartdi_64): Fixed z10prop attribute.
1777 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1778 (*negdi2_sign_cc): Fixed z10prop attribute.
1779 (*negdi2_sign): Fixed z10prop attribute.
1780 (*absdi2_sign_cc): Fixed z10prop attribute.
1781 (*absdi2_sign): Fixed z10prop attribute.
1782 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1783 (*negabsdi2_sign): Fixed z10prop attribute.
1784 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1785 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1786 (doloop_si64): Fixed z10prop attribute.
1787 (doloop_si31): Fixed z10prop attribute.
1788 (doloop_long): Fixed z10prop attribute.
1789 (indirect_jump): Fixed z10prop attribute.
1790 (nop): Fixed z10prop attribute.
1791 (main_base_64): Fixed z10prop attribute.
1792 (reload_base_64): Fixed z10prop attribute.
1794 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1796 PR rtl-optimization/38740
1797 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1799 * config/mips/mips.c (mips_reorg): Likewise.
1801 2009-01-28 Richard Guenther <rguenther@suse.de>
1803 PR tree-optimization/38926
1804 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1805 with the correct value id to a value.
1806 (do_regular_insertion): Use the value number of edoubleprime
1807 for the value number of the expr.
1810 2008-08-21 Richard Guenther <rguenther@suse.de>
1812 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1813 a PHI ask VN if it is already available.
1814 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1815 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1817 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1820 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1821 set to varying whenever max has TREE_OVERFLOW set, similarly
1822 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1824 2009-01-28 Richard Guenther <rguenther@suse.de>
1827 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1828 uninitialized aggregate uses in call arguments.
1830 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1832 PR tree-optimization/38984
1833 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1834 the nothing_id variable if -fno-delete-null-pointer-checks.
1836 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1839 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1840 (set_got_offset_rex64): Ditto.
1842 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1845 * doc/extend.texi: Improve local variable with asm reg.
1847 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1849 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1850 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1851 was not supplied then set warn_packed_bitfield_compat to the
1853 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1856 2009-01-27 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/38503
1859 * cfgexpand.c (expand_gimple_basic_block): Ignore
1860 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1861 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1862 variables that cannot have TBAA applied.
1863 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1866 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1869 * calls.c (initialize_argument_information): Do not wrap complex
1870 arguments in SAVE_EXPR.
1872 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1874 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1875 (INSTALL_LIBGCC): Revert typo commit.
1877 2009-01-26 Richard Guenther <rguenther@suse.de>
1879 PR tree-optimization/38745
1880 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1881 from special handling.
1883 2009-01-26 Richard Guenther <rguenther@suse.de>
1885 PR tree-optimization/38745
1886 * tree-ssa.c (execute_update_addresses_taken): Do not include
1887 variables that cannot possibly be a register in not_reg_needs.
1888 Do not clear TREE_ADDRESSABLE on vars that may not become
1890 * tree-ssa.c (update_alias_info_1): Include those in the set
1891 of addressable vars.
1893 2009-01-26 Richard Guenther <rguenther@suse.de>
1896 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1897 * tree-ssa-dse.c: Include langhooks.h
1898 (execute_simple_dse): Remove stores with zero size.
1900 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1903 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1906 2009-01-24 Julian Brown <julian@codesourcery.com>
1908 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1909 config/arm/linux-atomic.c.
1910 * config/arm/linux-atomic.c: New.
1912 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1914 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1915 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1916 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1918 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1921 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1924 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1926 PR tree-optimization/38953
1927 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1928 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1929 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1930 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1933 2009-01-24 Paul Brook <paul@codesourcery.com>
1935 * config/arm/neon.md (neon_type): Move to arm.md.
1936 (neon_mov<VSTRUCT>): Add neon_type attribute.
1937 * config/arm/arm.md (neon_type): Move to here.
1938 (conds): Add "unconditioal" and use as default for NEON insns.
1940 2009-01-24 Ben Elliston <bje@au.ibm.com>
1942 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1943 void *' warning from -Wc++-compat.
1944 * Makefile.in (dominance.o-warn): Remove.
1946 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1948 PR tree-optimization/38932
1949 * fold-const.c (fold_unary_ignore_overflow): New.
1950 * tree.h (fold_unary_ignore_overflow): Declare.
1951 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1952 * tree-ssa-sccvn.c (visit_reference_op_load,
1953 simplify_unary_expression): Likewise.
1955 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1957 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1958 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1959 regardless of their type.
1960 * c-common.c (handle_packed_attribute): Don't ignore packed on
1962 * c.opt (Wpacked-bitfield-compat): New warning option.
1963 * stor-layout.c (place_field): Warn if offset of a field changed.
1964 * doc/extend.texi (packed): Mention the ABI change.
1965 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1966 (Warning Options): Add it to the list.
1968 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1970 * c-opts.c (c_common_post_options): Fix a typo in comments.
1972 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1975 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1976 variables to static.
1977 * doc/invoke.texi (-fmerge-all-constants): Update description.
1979 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1982 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1983 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1985 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1987 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1989 (LOCAL_ALIGNMENT): Similarly.
1991 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1992 Joseph Myers <joseph@codesourcery.com>
1994 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1995 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1996 * config/arm/arm-tune.md: Regenerate.
1997 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2000 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2002 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2003 version number to five.
2005 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2008 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2009 * c-common.c (set_underlying_type): Likewise.
2010 (is_typedef_decl ): Likewise
2012 (set_underlying_type): Likewise.
2013 (is_typedef_type): Likewise.
2015 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2018 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2021 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2024 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2025 (LIBGCC_SPEC): Don't define.
2026 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2028 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2030 PR rtl-optimization/38879
2031 * alias.c (base_alias_check): Unaligned access via AND address can
2032 alias all surrounding object types except those with sizes equal
2033 or wider than the size of unaligned access.
2035 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2038 * c-decl.c: (clone_underlying_type): Move this ...
2039 * c-common.c (set_underlying_type): ... here.
2040 Also, make sure the function properly sets TYPE_STUB_DECL() on
2041 the newly created typedef variant type.
2042 (is_typedef_decl ): New entry point.
2043 * tree.h: Added a new member member_types_needing_access_check to
2044 struct tree_decl_non_common.
2045 (set_underlying_type): New entry point.
2046 (is_typedef_type): Likewise.
2048 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2050 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2051 Check whether two instructions have memory references that
2052 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2053 are helper functions for traversing.
2054 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2055 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2056 not to draw dependency edge for instructions with non-conflicting
2059 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2062 * longlong.h: Update copyright years. Use soft-fp license notice.
2063 Sync __clz_tab declaration with glibc.
2065 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2068 * doc/extend.texi (syscall_linkage): New.
2069 (version_id): Modify.
2071 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2072 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/38747
2075 PR tree-optimization/38748
2076 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2077 conversion if the base address is an indirect reference and the
2078 aliasing sets could cause issues.
2080 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2082 * common.opt (fgraphite, fgraphite-identity): Add comment for
2083 explaining why these options are not documented.
2085 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2087 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2088 gimple_call_lhs is NULL.
2090 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2093 * emit-rtl.c (adjust_address_1): Make sure memref is never
2096 2009-01-20 Ben Elliston <bje@au.ibm.com>
2098 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2099 const qualifier from arg parameter. Remove unnecessary cast to char *.
2100 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2101 const qualifier from arg 2.
2103 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2105 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2107 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2110 * rtl.h (reinit_regs): New prototype.
2111 * regclass.c: Include ira.h.
2113 * Makefile.in (regclass.o): Add ira.h.
2114 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2116 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2119 * c-common.c (handle_aligned_attribute): Use
2120 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2121 default alignment value.
2123 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2125 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2126 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2128 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2129 __BIGGEST_ALIGNMENT__.
2131 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2133 2009-01-18 Richard Guenther <rguenther@suse.de>
2135 PR tree-optimization/38819
2136 * tree-flow.h (operation_could_trap_helper_p): Declare.
2137 * tree-eh.c (operation_could_trap_helper_p): Export.
2138 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2139 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2140 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2141 are about to insert a possibly trapping instruction and fail
2144 2009-01-18 Andreas Schwab <schwab@suse.de>
2146 * doc/install.texi (Configuration): Remove obsolete paragraph
2147 about use of --with-gnu-ld with --with-gnu-as.
2149 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2151 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2152 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2153 Follow spelling conventions.
2155 2009-01-18 Ben Elliston <bje@au.ibm.com>
2157 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2158 C++ warning about implicit conversion from void * to struct
2160 (bitmap_obstack_free): Likewise for bitmap_element *.
2161 * Makefile.in (bitmap.o-warn): Remove.
2163 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2165 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2167 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2168 Tobias Grosser <tobi.grosser@amd.com>
2170 * graphite.c (graphite_trans_scop_block): Do not block single
2173 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2175 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2176 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2177 test with assertion.
2179 2009-01-16 Richard Guenther <rguenther@suse.de>
2181 PR tree-optimization/38835
2183 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2184 and INT + PTR -> (INT)(PTR p+ INT) folding.
2185 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2187 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2190 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2191 the subreg from a lowpart subreg if it is also casting the value.
2193 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2194 Tobias Grosser <tobi.grosser@amd.com>
2196 * graphite.c (compare_prefix_loops): New.
2197 (build_scop_canonical_schedules): Rewritten.
2198 (graphite_transform_loops): Move build_scop_canonical_schedules
2199 after build_scop_iteration_domain.
2201 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2202 Tobias Grosser <tobi.grosser@amd.com>
2204 * graphite.c (add_conditions_to_domain): Add the loops to
2205 the dimension of the iteration domain. Do copy the domain
2206 only when it exists.
2207 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2208 (add_conditions_to_constraints): New.
2209 (can_generate_code_stmt, can_generate_code): Removed.
2210 (gloog): Do not call can_generate_code.
2211 (graphite_transform_loops): Call add_conditions_to_constraints
2212 after building the iteration domain.
2214 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2216 PR tree-optimization/38789
2217 * tree-ssa-threadedge.c
2218 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2219 __builtin_constant_p.
2221 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2223 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2224 examined before deleting them.
2226 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2228 * function.c (aggregate_value_p): Correctly extract the function
2229 type from CALL_EXPR_FN lookup.
2231 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2233 * config/picochip/picochip.c (picochip_override_options): Revert
2234 CFI asm flag disable commited previously.
2236 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2237 Tobias Grosser <tobi.grosser@amd.com>
2238 Jan Sjodin <jan.sjodin@amd.com>
2240 * graphite.c (scan_tree_for_params): On substractions negate
2241 all the coefficients of the term.
2242 (clast_to_gcc_expression_red): New. Handle reduction expressions
2243 of more than two operands.
2244 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2245 (get_vdef_before_scop): Handle also the case of default definitions.
2247 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2249 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2250 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2251 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2253 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2254 Joey Ye <joey.ye@intel.com>
2257 * cfgexpand.c (expand_stack_alignment): Don't update stack
2258 boundary nor check incoming stack boundary here.
2259 (gimple_expand_cfg): Update stack boundary and check incoming
2260 stack boundary here.
2262 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2264 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2266 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2268 PR rtl-optimization/38245
2269 * calls.c (expand_call): Add stack arguments to
2270 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2271 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2272 in regs and partially in memory or BLKmode arguments.
2273 (emit_library_call_value_1): Add stack arguments to
2274 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2275 ACCUMULATE_OUTGOING_ARGS).
2276 * dce.c: Include tm_p.h.
2277 (find_call_stack_args): New function.
2278 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2280 (mark_insn): Call find_call_stack_args for CALL_Ps.
2281 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2282 forwards. Allocate and free arg_stores bitmap if needed, pass it
2283 down to deletable_insn_p, don't mark stores set in arg_stores
2284 bitmap, clear the bitmap at the beginning of each bb.
2285 * Makefile.in (dce.o): Depend on $(TM_P_H).
2287 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2290 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2291 to make sure the insn is a conditional test (bug 22599). Reformat a
2294 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2297 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2298 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2299 (gloog): Do not call cleanup_tree_cfg.
2300 (graphite_transform_loops): Call cleanup_tree_cfg after all
2301 scops have been code generated.
2303 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2304 * doc/gty.texi (Invoking the garbage collector): Added new node
2305 and section documenting ggc_collect.
2307 2009-01-14 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/38826
2311 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2312 initialization notes only if we actually emitted a warning.
2313 (intra_create_variable_infos): Add constraints for a result decl
2314 that is passed by hidden reference.
2315 (build_pred_graph): Mark all related variables non-direct on
2318 2009-01-14 Nick Clifton <nickc@redhat.com>
2320 * ira-conflicts.c: Include addresses.h for the definition of
2322 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2323 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2325 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2328 * Makefile.in (ira-lives.o): Add except.h.
2330 * ira-lives.c: Include except.h.
2331 (process_bb_node_lives): Process can_throw_internal.
2333 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2335 PR rtl-optimization/38774
2336 * combine.c (simplify_set): When undoing cc_use change, don't do
2337 PUT_CODE on the newly created comparison, but instead put back the
2340 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2342 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2343 values. Remove duplicate arm8 entry.
2345 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2347 PR tree-optimization/38786
2348 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2349 the SSA_NAME case of expand_scalar_variables_expr.
2350 Set the type of an expression to the type of its assign statement.
2351 (expand_scalar_variables_expr): Also gather the scalar computation
2352 used to index the memory access. Do not pass loop_p.
2353 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2354 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2355 the gimple_stmt_iterator where it inserts new code.
2357 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2358 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2360 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2362 * graphite.h (debug_value): Removed.
2363 * graphite.c (debug_value): Removed.
2365 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2367 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2368 ldrd/strd with two 32-bit instructions.
2370 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2372 * config/arm/arm.c (struct processors): Pass for speed down into
2373 cost helper functions.
2374 (const_ok_for_op): Handle COMPARE and inequality nodes.
2375 (arm_rtx_costs_1): Rewrite.
2376 (arm_size_rtx_costs): Update prototype.
2377 (arm_rtx_costs): Pass speed down to helper functions.
2378 (arm_slowmul_rtx_costs): Rework cost calculations.
2379 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2380 (arm_9e_rtx_costs): Likewise.
2382 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2384 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2385 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2386 (alpha_legitimize_address): Do not split local symbols wider than
2387 UNITS_PER_WORD into HIGH/LO_SUM parts.
2389 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2392 * gcc.c (process_command): Replace call to execvp with calls
2393 to pex_one and exit.
2395 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2398 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2399 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2400 variant for devices with 3-byte PC.
2401 (__tablejump_elpm__) : New.
2403 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2406 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2407 offsetof member-designator, handle it as `[0].'.
2409 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2411 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2412 function when not using named sections on targets with named sections
2413 if branch distance is less than 262132.
2415 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2417 * combine.c (combine_instructions): Recompute
2418 optimize_this_for_speed_p for each BB in the main combine loop.
2420 2009-01-12 Tomas Bily <tbily@suse.cz>
2423 * tree-loop-distribution.c (prop_phis): New function.
2424 (generate_builtin): Call prop_phis.
2425 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2427 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2429 PR tree-optimization/38807
2430 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2431 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2433 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2435 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2436 subreg of op0 to the original op0.
2438 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2440 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2442 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2445 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2446 starting with digits.
2448 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2451 * config/arm/arm.c (arm_is_long_call_p): Don't call
2452 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2454 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2456 * regrename.c (regrename_optimize): Fix dumping.
2457 (find_oldest_value_reg): Preserve REG_POINTER.
2458 (copy_hardreg_forward_1): Likewise.
2460 2009-01-09 Diego Novillo <dnovillo@google.com>
2462 * gimple.h (struct gimple_statement_base) <uid>: Document
2463 the restrictions on its use.
2465 (gimple_set_uid): Tidy.
2467 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2469 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2470 zero guard even if align_bytes != 0 and count is smaller than
2473 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2475 PR rtl-optimization/38495
2476 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2477 (add_range_and_copies_from_move_list): Print all added ranges.
2478 Add ranges to memory optimized destination.
2480 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2484 * config/i386/i386.c (override_options): Reject
2485 -mstringop-strategy=rep_8byte with -m32.
2486 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2487 to 1. Do count comparison against epilogue_size_needed at compile
2488 time even when count_exp was constant forced into register. For
2489 size_needed don't jump to epilogue, instead just avoid aligning
2490 and invoke the body algorithm. If need_zero_guard, add zero guard
2491 even if count is non-zero, but smaller than size_needed + number of
2492 bytes that could be stored for alignment.
2493 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2494 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2495 but smaller than size_needed + number of bytes that could be stored
2496 for alignment. Compare size_needed with epilogue_size_needed instead
2497 of desired_align - align, don't adjust size_needed, pass
2498 epilogue_size_needed to the epilogue expanders.
2501 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2503 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2505 * pa.c (last_address): Change to unsigned.
2506 (update_total_code_bytes): Change argument to unsigned. Don't
2507 check if insn addresses are set.
2508 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2509 addresses are not set.
2510 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2512 2009-01-09 Nick Clifton <nickc@redhat.com>
2514 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2515 DECL_DECLARED_INLINE_P.
2517 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2520 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2521 GET_MODE (op0) in operand_subword_force calls.
2524 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2525 fold_convert arg0 operands to TREE_TYPE (op0) first.
2527 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2529 * params.def (ira-max-conflict-table-size): Decrease default value
2532 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2534 PR tree-optimization/37031
2535 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2537 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2538 allocate it using gc instead of heap, use VEC_quick_push instead of
2540 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2541 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2542 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2543 allocated vector from heap allocated.
2544 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2545 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2546 vector only after perfect_loop_nest_depth call.
2548 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2549 Jan Sjodin <jan.sjodin@amd.com>
2551 PR tree-optimization/38559
2552 * graphite.c (debug_value, copy_constraint,
2553 swap_constraint_variables, scale_constraint_variable, ): New.
2554 (get_lower_bound, get_upper_bound): Removed.
2555 (graphite_trans_bb_strip_mine): Clean up this code that works
2556 only for constant number of iterations. Fully copy upper and
2557 lower bound constraints, not only the constant part of them.
2558 * graphite.h (debug_value): Declared.
2560 2009-01-08 Ira Rosen <irar@il.ibm.com>
2562 PR tree-optimization/37194
2563 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2564 Don't add the cost of cost model guard in prologue to scalar
2565 outside cost in case of known number of iterations.
2567 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2568 Alan Modra <amodra@bigpond.net.au>
2570 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2571 non-word-aligned REG+CONST addressing.
2573 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2576 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2577 free_after_compilation when outputting a thunk.
2578 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2579 Do not call free_after_compilation here.
2581 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2583 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2584 (ix86_valid_target_attribute_inner_p): Ditto.
2586 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2588 PR tree-optimization/38492
2589 PR tree-optimization/38498
2590 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2591 * tree-chrec.h (scev_is_linear_expression): Declared.
2592 * graphite.c (graphite_cannot_represent_loop_niter): New.
2593 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2594 (graphite_loop_normal_form): Use gcc_assert.
2595 (scan_tree_for_params): Use CASE_CONVERT.
2596 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2597 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2598 Use gcc_assert. Discard scops that contain unhandled cases.
2599 (build_scop_conditions): Return a boolean status for unhandled cases.
2600 (strip_mine_profitable_p): Print the loop number, not its depth.
2601 (is_interchange_valid): Pass the depth of the loop nest, don't
2602 recompute it wrongly.
2603 (graphite_trans_bb_block): Same.
2604 (graphite_trans_bb_block): Print tentative of loop blocking.
2605 (graphite_trans_scop_block): Do not print that the loop has been
2607 (graphite_transform_loops): Do not handle scops that contain condition
2610 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2612 AVX Programming Reference (December, 2008)
2613 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2614 (_mm256_stream_pd): Likewise.
2615 (_mm256_stream_ps): Likewise.
2617 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2618 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2619 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2620 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2621 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2622 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2623 (ix86_expand_special_args_builtin): Likewise.
2625 * config/i386/sse.md (AVXMODEDI): New.
2626 (avx_movnt<mode>): Likewise.
2627 (avx_movnt<mode>): Likewise.
2628 (<sse>_movnt<mode>): Remove AVX support.
2629 (sse2_movntv2di): Likewise.
2631 2009-01-07 Richard Guenther <rguenther@suse.de>
2634 * fold-const.c (extract_muldiv): Remove obsolete comment.
2635 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2636 to PLUS_EXPR canonicalization for the canonicalization.
2638 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2640 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2641 hosted cross-compilers generating less efficient code.
2643 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2645 * function.h (rtl_data): Add a dbr_scheduled_p field.
2646 * reorg.c (dbr_schedule): Set it.
2647 (gate_handle_delay_slots): Check it.
2648 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2649 (mips_reorg): Check flag_delayed_branch instead of
2650 mips_base_delayed_branch.
2651 (mips_override_options): Don't set mips_base_delayed_branch
2652 or flag_delayed_branch.
2654 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2656 PR rtl-optimization/38426.
2657 * ira.c (ira): Set current_function_is_leaf earlier.
2659 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2661 PR rtl-optimization/38722
2662 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2663 too early, only set a flag and modify after last possible
2666 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2669 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2670 * real.c (decimal_single_format): Correct values of emin and emax.
2671 (decimal_double_format): Ditto.
2672 (decimal_quad_format): Ditto.
2673 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2674 computation of DECnn_MIN and DECnn_MAX for corrected values of
2675 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2676 __DECnn_MIN__, and adjust its computation for the corrected value
2679 2009-01-06 Jan Hubicka <jh@suse.cz>
2682 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2684 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2686 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2687 Add Robert Clark to the list of testers.
2689 2009-01-06 Jan Hubicka <jh@suse.cz>
2690 Kai Tietz <kai.tietz@onevision.com>
2692 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2693 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2695 2009-01-06 Jan Hubicka <jh@suse.cz>
2696 Kai Tietz <kai.tietz@onevision.com>
2698 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2700 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2701 (ix86_nsaved_regs): Count only general purpose regs.
2702 (ix86_nsaved_sseregs): New.
2703 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2704 to 16 for w64; compute padding and size of sse reg save area.
2705 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2706 general purpose regs.
2707 (ix86_emit_save_sse_regs_using_mov): New.
2708 (ix86_expand_prologue): Save SSE regs if needed.
2709 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2710 (ix86_emit_restore_sse_regs_using_mov): New.
2711 (ix86_expand_epilogue): Save SSE regs if needed.
2713 2009-01-06 Jan Hubicka <jh@suse.cz>
2714 Kai Tietz <kai.tietz@onevision.com>
2716 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2717 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2718 functions when accumulate outgoing args is off.
2720 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2723 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2724 before using pseudos_have_intersected_live_ranges_p.
2726 * ira-int.h (ira_assert): Always define.
2728 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2730 AVX Programming Reference (December, 2008)
2731 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2732 (_mm256_permute2_pd): Likewise.
2733 (_mm_permute2_ps): Likewise.
2734 (_mm256_permute2_ps): Likewise.
2735 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2736 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2738 * config/i386/i386.c (ix86_builtins): Remove
2739 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2740 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2741 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2742 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2743 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2744 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2745 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2746 __builtin_ia32_vpermil2ps256.
2747 (ix86_init_mmx_sse_builtins): Updated.
2748 (ix86_expand_args_builtin): Likewise.
2750 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2752 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2753 long absolute calls when generating PA 2.0 code.
2755 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2757 PR rtl-optimization/38583
2758 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2760 * params.def (ira-max-conflict-table-size): New.
2762 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2764 * ira.h (ira_conflicts_p): New external definition.
2766 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2767 table. Report this. Return result of building.
2768 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2769 building conflict table.
2771 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2772 (ira_color): Use ira_conflicts_p.
2774 * global.c: Include ira.h.
2775 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2778 * Makefile.in (global.o): Add ira.h.
2780 * ira-build.c (mark_all_loops_for_removal,
2781 propagate_some_info_from_allocno): New.
2782 (remove_unnecessary_allocnos): Call
2783 propagate_some_info_from_allocno.
2784 (remove_low_level_allocnos): New.
2785 (remove_unnecessary_regions): Add parameter. Call
2786 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2787 parameter to remove_unnecessary_regions.
2788 (ira_build): Remove all regions but root if the conflict table was
2789 not built. Update conflict hard regs for allocnos crossing calls.
2791 * ira.c (ira_conflicts_p): New global.
2792 (ira): Define and use ira_conflicts_p.
2794 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2795 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2796 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2798 2009-01-06 Ben Elliston <bje@au.ibm.com>
2800 * gengtype-lex.l (YY_NO_INPUT): Define.
2802 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2805 * c-common.c (handle_vector_size_attribute): Also reject
2808 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2810 PR tree-optimization/38492
2811 * graphite.c (rename_map_elt, debug_rename_elt,
2812 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2813 rename_map_elt_info, eq_rename_map_elts,
2814 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2815 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2816 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2817 (sese_build_livein_liveouts): New.
2818 (new_sese, free_sese): New.
2819 (new_scop): Call new_sese.
2820 (free_scop): Call free_sese.
2821 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2822 (register_old_new_names): Renamed register_old_and_new_names.
2823 (register_scop_liveout_renames, add_loop_exit_phis,
2824 insert_loop_close_phis, struct igp,
2825 default_liveout_before_guard, add_guard_exit_phis,
2826 insert_guard_phis, copy_renames): New.
2827 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2828 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2829 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2830 (scop_adjust_phis_for_liveouts): New.
2831 (gloog): Call scop_adjust_phis_for_liveouts.
2833 * graphite.h (struct sese): Documented. Added fields liveout,
2835 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2836 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2837 (struct scop): Added field liveout_renames.
2838 (SCOP_LIVEOUT_RENAMES): New.
2840 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2842 PR tree-optimization/38510
2843 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2844 (translate_clast): Call recompute_all_dominators before
2846 (gloog): Call recompute_all_dominators before graphite_verify.
2848 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2849 Jan Sjodin <jan.sjodin@amd.com>
2851 PR tree-optimization/38500
2852 * graphite.c (create_sese_edges): Call fix_loop_structure after
2855 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2857 * config.gcc: Add m32r*-*-rtems*.
2858 * config/m32r/rtems.h: New file.
2860 2009-01-05 Ben Elliston <bje@au.ibm.com>
2862 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2863 (.po.pox): Likewise.
2864 (po/gcc.pot): Likewise.
2866 2009-01-04 David S. Miller <davem@davemloft.net>
2868 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2869 (STARTING_FRAME_OFFSET): Always set to zero.
2871 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2873 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2874 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2875 fixed-point types, and vectors of the same.
2877 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2879 * config/mips/sync.md (*mb_barrier): Rename to...
2880 (*memory_barrier): ...this.
2882 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2884 * doc/extend.texi (Function Attributes): Move @cindex after @item
2885 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2886 and put in alphabetical order. Fix 'target' name and put in order.
2887 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2890 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2892 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2893 (memory_barrier): Expand as unspec instead of unspec_volatile.
2894 Remove mem:BLK from insn operands. Use Pmode scratch register.
2895 (*memory_barrier): Define as unspec instead of unspec_volatile.
2896 Use (match_dup 0) as input operand.
2898 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2899 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2900 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2901 scratch register. Remove operand 1.
2902 (*stbar): Define as unspec instead of unspec_volatile.
2903 Use (match_dup 0) as input operand, remove (const_int 8).
2904 (*membar): Define as unspec instead of unspec_volatile.
2905 Use (match_dup 0) as input operand, remove input operand 2.
2907 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2908 (memory_barrier): Expand as unspec instead of unspec_volatile.
2909 Remove mem:BLK from insn operands. Use Pmode scratch register.
2910 (*memory_barrier): Define as unspec instead of unspec_volatile.
2911 Use (match_dup 0) as input operand.
2913 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2914 Remove mem:BLK from insn operands. Use Pmode scratch register.
2915 Set volatile flag on operand 0.
2916 (*memory_barrier): New insn pattern.
2918 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2920 (*memory_barrier): Use (match_dup 0) as input operand.
2922 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2923 Remove mem:BLK from insn operands. Use Pmode scratch register.
2924 Set volatile flag on operand 0.
2925 (*mb_internal): New insn pattern.
2927 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2929 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2932 * function.c (struct temp_slot): Move to the section of the file
2933 that deals with temp slots. Remove field 'address'.
2934 (temp_slot_address_table): New hash table of address -> temp slot.
2935 (struct temp_slot_address_entry): New struct, items for the table.
2936 (temp_slot_address_compute_hash, temp_slot_address_hash,
2937 temp_slot_address_eq, insert_temp_slot_address): Support functions
2939 (find_temp_slot_from_address): Rewrite to use the new hash table.
2940 (remove_unused_temp_slot_addresses): Remove addresses of temp
2941 slots that have been made available.
2942 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2943 worker function for remove_unused_temp_slot_addresses.
2944 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2945 Add the temp slot address to the address -> temp slot map.
2946 (update_temp_slot_address): Update via insert_temp_slot_address.
2947 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2948 (pop_temp_slots): Likewise.
2949 (init_temp_slots): Allocate the address -> temp slot map, or empty
2950 the map if it is already allocated.
2951 (prepare_function_start): Initialize temp slot processing.
2953 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2956 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2957 Calculate the size of all stack vars assuming no packing of stack
2958 vars will happen, replacing a quadratic algorithm with a linear one.
2960 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2963 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2966 2009-01-03 Diego Novillo <dnovillo@google.com>
2968 * doc/contrib.texi: Update contributions.
2970 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2973 * builtins.c (fold_builtin_memory_op): Give up if either operand
2974 is volatile. Set srctype or desttype to non-qualified version
2978 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2981 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2983 PR rtl-optimization/35805
2984 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2985 problem if fast dce is able to remove any instructions.
2986 * dce.c (dce_process_block): Fix dump message.
2988 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2991 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2993 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2996 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2997 * tree-pretty-print.c (op_code_prio): New function.
2998 (op_prio): No longer static. Use op_code_prio.
2999 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3000 Use op_prio and op_code_prio to determine if () should be
3001 printed around operand(s) or not.
3003 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3004 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3005 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3006 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3007 pp_character instead of pp_string for single letter printing.
3009 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3011 * doc/extend.texi: Fix '#pragma GCC option' typo.
3013 2009-01-02 Richard Guenther <rguenther@suse.de>
3015 * doc/install.texi (--enable-checking): Mention different
3017 (--enable-stage1-checking): Document.
3019 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3022 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3023 case to be an error.
3025 2009-01-02 Ben Elliston <bje@au.ibm.com>
3027 * config/fp-bit.h (pack_d): Constify argument.
3028 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3029 (isnan): Constify argument.
3033 (_fpadd_parts): Constify return type.
3034 (_fpmul_parts): Likewise.
3035 (_fpdiv_parts): Likewise.
3037 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3040 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3041 warn about overwriting initializer with side-effects or
3042 -Woverride-init if !IMPLICIT.
3043 (output_init_element): Likewise. Pass IMPLICIT down to
3045 (process_init_element): Add IMPLICIT argument. Pass it down
3046 to output_init_element.
3047 (push_init_element, pop_init_level, set_designator): Adjust
3048 process_init_element callers.
3049 (set_nonincremental_init, set_nonincremental_init_from_string):
3050 Adjust add_pending_init callers.
3051 (output_pending_init_elements): Adjust output_init_element callers.
3052 * c-tree.h (process_init_element): Adjust prototype.
3053 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3054 process_init_element callers.