1 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8 DW_TAG_imported_module even if decl is IMPORTED_DECL with
9 NAMESPACE_DECL in its DECL_INITIAL.
12 * optabs.c (set_user_assembler_libfunc): New function.
13 * expr.h (set_user_assembler_libfunc): New prototype.
14 * c-common.c: Include libfuncs.h.
15 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
16 for memcmp, memset, memcpy, memmove and abort.
17 * Makefile.in (c-common.o): Depend on libfuncs.h.
20 * dwarf2out.c (gen_inlined_enumeration_type_die,
21 gen_inlined_structure_type_die, gen_inlined_union_type_die,
22 gen_tagged_type_instantiation_die): Removed.
23 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
26 2009-03-17 Janis Johnson <janis187@us.ibm.com>
29 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
31 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
32 (check-parallel-%): Ditto.
33 (check-consistency): Ditto.
35 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
37 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
38 local variable rhs by NULL_TREE.
40 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
43 * doc/extend.texi: Correct register behavior for regparm on
46 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
49 * config/i386/i386.c (ix86_function_regparm): Rewrite for
52 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
55 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
56 for ms->sysv ABI calls only in 64bit mode.
58 * config/i386/i386.md (untyped_call): Support 32bit.
60 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
62 * doc/extend.texi: Replace x86_65 with x86_64.
64 2009-03-16 Jakub Jelinek <jakub@redhat.com>
66 PR tree-optimization/39455
67 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
68 mismatches for POINTER_TYPE_P (type).
69 (number_of_iterations_le): Likewise.
71 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
73 * config/picochip/picochip.c: Removed profiling support.
74 * config/picochip/picochip.md: Removed profiling instruction.
75 * config/picochip/picochip.h: Removed profiling builtin.
77 2009-03-16 Joseph Myers <joseph@codesourcery.com>
79 * doc/install.texi (--with-host-libstdcxx): Document.
81 2009-03-14 Anatoly Sokolov <aesok@post.ru>
84 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
85 generate a warning if the function name does not begin with
86 "__vector" and the function has either the 'signal' or 'interrupt'
87 attribute, from here to ...
88 (avr_declare_function_name): ...here. New function.
89 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
90 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
92 2009-03-14 Jakub Jelinek <jakub@redhat.com>
95 * cse.c (fold_rtx): Don't modify original const_arg1 when
96 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
97 separate variable instead.
98 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
99 from out of range shift counts.
100 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
102 2008-03-13 Catherine Moore <clm@codesourcery.com>
104 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
105 diagnostic.h with $(DIAGNOSTIC_H).
107 2008-03-12 Jakub Jelinek <jakub@redhat.com>
110 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
112 * config/i386/sync.md (sync_compare_and_swap<mode>,
113 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
114 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
116 (sync_double_compare_and_swapdi_pic,
117 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
118 cmpxchg8b_pic_memory_operand instead of just memory_operand.
120 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
123 * config/i386/i386.c (ix86_expand_push): Don't set memory
126 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
129 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
130 (avx_addsubv4df3): Likewise.
131 (*avx_addsubv4sf3): Likewise.
132 (sse3_addsubv4sf3): Likewise.
134 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
137 * config/i386/i386.md: Compare REGNO on the new peephole2
140 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
143 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
144 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
145 registers for allocnos created from user-defined variables.
147 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
150 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
151 of non-integer mode as well.
153 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
155 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
156 for functions for which the parameter types are unknown.
158 2009-03-11 Jakub Jelinek <jakub@redhat.com>
161 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
163 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
164 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
165 * config/i386/i386.c (ix86_local_alignment): For
166 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
167 long long variables on the stack to avoid dynamic realignment.
168 Allow the first argument to be a decl rather than type.
169 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
171 2009-03-11 Nick Clifton <nickc@redhat.com>
174 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
176 Add description to mno-lsim option.
177 * config/mcore/mcore.h: Remove comment about deprecated m4align
179 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
180 * doc/invoke.texi: Add description of mno-lsim and
181 mstack-increment options.
183 * config/fr30/fr30.opt: Document the -mno-lsim option.
184 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
185 and -mno-lsim options.
187 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
189 * fold-const.c (fold_comparison): Only call fold_inf_compare
190 if the mode supports infinities.
192 2009-03-11 Jason Merrill <jason@redhat.com>
195 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
196 end already did. Notice GIMPLE_CALL modifications of the result.
197 Don't copy debug information from an ignored decl or a decl from
200 2009-03-10 Richard Guenther <rguenther@suse.de>
201 Nathan Froyd <froydnj@codesourcery.com>
204 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
206 (__divMODE3): Likewise.
208 2009-03-09 Jakub Jelinek <jakub@redhat.com>
210 PR tree-optimization/39394
211 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
212 DECL_SIZE_UNIT of variable length FIELD_DECLs.
214 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
216 * recog.c (verfiy_changes): Disallow renaming of hard regs in
217 inline asms for register asm ("") declarations.
219 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
221 * fold-const.c (fold_unary): Fix comment.
223 2009-03-07 Jan Hubicka <jh@suse.cz>
226 * tree-inline.c (setup_one_parameter): Do replacement of const argument
227 by constant in SSA form.
229 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
232 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
233 determine alignment passed to assign_stack_local.
234 (assign_parms_unsplit_complex): Likewise.
235 * except.c (sjlj_build_landing_pads): Likewise.
237 2009-03-06 Jakub Jelinek <jakub@redhat.com>
240 * tree-flow.h (add_referenced_var): Return bool instead of void.
241 * tree-dfa.c (add_referenced_var): Return result of
242 referenced_var_check_and_insert call.
243 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
244 of referenced_var_check_and_insert.
247 * dwarf2out.c (add_abstract_origin_attribute): Return
249 (gen_variable_die): Emit DW_AT_location on abstract static variable's
250 DIE, don't emit it if abstract origin already has it.
251 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
252 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
254 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
256 * genpreds.c: (needs_variable): Fix parentheses at variable name
258 (write_tm_constrs_h): Indent generated code.
260 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
262 * doc/extend.texi (Function Attributes): Add documentation
265 2009-03-06 Jakub Jelinek <jakub@redhat.com>
268 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
269 take locus from its DECL_SOURCE_LOCATION instead of input_location.
271 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
273 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
276 2009-03-05 Jakub Jelinek <jakub@redhat.com>
279 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
280 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
282 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
284 * config/i386/i386.md (R8_REG, R9_REG): New constants.
285 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
286 constants instead of magic numbers.
287 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
289 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
290 (x86_64_ms_abi_int_parameter_registers): Ditto.
291 (x86_64_int_return_registers): Ditto.
292 (ix86_maybe_switch_abi): Ditto.
293 (ix86_expand_call): Ditto for clobbered_registers array.
294 (ix86_hard_regno_mode_ok): Ditto.
295 (x86_extended_QIreg_mentioned_p): Ditto.
297 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
299 PR tree-optimization/39349
300 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
302 * combine.c (gen_lowpart_for_combine): Use omode when generating
305 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
307 PR rtl-optimization/39235
308 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
310 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
312 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
314 2009-03-04 Richard Guenther <rguenther@suse.de>
316 PR tree-optimization/39362
317 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
318 that occur in abnormal PHIs should be varying.
320 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
322 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
324 (simple_iv): Take loop as an argument instead of statement.
325 * tree-scalar-evolution.h (simple_iv): Declaration changed.
326 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
328 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
330 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
331 * matrix-reorg.c (analyze_transpose): Ditto.
332 * tree-data-ref.c (dr_analyze_innermost): Ditto.
333 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
334 * tree-predcom.c (ref_at_iteration): Ditto.
335 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
337 2009-03-04 Richard Guenther <rguenther@suse.de>
339 PR tree-optimization/39358
340 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
341 escaped_id and callused_id.
342 (solve_graph): Likewise.
344 2009-03-04 Richard Guenther <rguenther@suse.de>
346 PR tree-optimization/39339
347 * tree-sra.c (try_instantiate_multiple_fields): Make it
348 no longer ICE on the above.
350 2009-03-03 Joseph Myers <joseph@codesourcery.com>
352 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
353 that fits within Pmode.
355 2009-03-03 Steve Ellcey <sje@cup.hp.com>
358 * tm.texi (LIBCALL_VALUE): Update description.
360 2009-03-03 Steve Ellcey <sje@cup.hp.com>
363 * doc/extend.texi (section): Update description.
365 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
368 * tree-inline.c (remapped_type): New.
369 (can_be_nonlocal): Call remapped_type instead of remap_type.
371 2009-03-03 Jakub Jelinek <jakub@redhat.com>
374 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
375 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
377 2009-03-03 Richard Guenther <rguenther@suse.de>
380 * tree.c (tree_nonartificial_location): New function.
381 * tree.h (tree_nonartificial_location): Declare.
382 * builtins.c (expand_builtin_memory_chk): Provide location
383 of the call location for artificial function pieces.
384 (maybe_emit_chk_warning): Likewise.
385 (maybe_emit_sprintf_chk_warning): Likewise.
386 (maybe_emit_free_warning): Likewise.
387 * expr.c (expand_expr_real_1): Likewise.
389 2009-03-03 Jakub Jelinek <jakub@redhat.com>
391 PR tree-optimization/39343
392 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
393 COMPONENT_REF t has ARRAY_TYPE.
395 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
398 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
399 when the type precision of the induction variable should be
400 larger than the type precision of nit.
401 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
402 * graphite.c (graphite_loop_normal_form): Same.
403 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
405 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
407 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
408 (*call_1_rex64_ms_sysv): Use named constants instead of magic
409 numbers to describe clobbered registers.
410 (*call_value_0_rex64_ms_sysv): Ditto.
411 * config/i386/mmx.md (mmx_emms): Ditto.
414 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
416 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
419 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
421 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
422 (spu_section_type_flags): New function.
424 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
426 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
427 reg_class_contents of FLOAT_REGS into a temporary.
429 2009-03-02 Richard Guenther <rguenther@suse.de>
430 Ira Rosen <irar@il.ibm.com>
432 PR tree-optimization/39318
433 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
434 information to the vectorized statement.
436 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
438 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
439 variable. Use defined names instead of magic constants for REX SSE
442 2009-03-01 Richard Guenther <rguenther@suse.de>
444 PR tree-optimization/39331
445 * omp-low.c (lower_send_shared_vars): Do not receive new
446 values for the reference of DECL_BY_REFERENCE parms or results.
448 2009-03-01 Jan Hubicka <jh@suse.cz>
451 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
452 BLOCK_NONLOCALIZED_VAR): New macros.
453 (tree_block): Add nonlocalized_vars.
454 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
455 gen_decl_die): Add origin argument. Allow generation of die with
457 (gen_member_die, gen_type_die_with_usage, force_decl_die,
458 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
460 (gen_block_die): Fix checking for unused blocks.
461 (process_scope_var): Break out from .... ; work with origins only.
462 (decls_for_scope) ... here; process nonlocalized list.
463 (dwarf2out_ignore_block): Look for nonlocalized vars.
464 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
466 (dump_scope_block): Dump them.
467 * tree-inline.c (remap_decls): Handle nonlocalized vars.
468 (remap_block): Likewise.
469 (can_be_nonlocal): New predicate.
470 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
472 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
474 * configure: Regenerate.
476 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
478 * optc-gen.awk: No need to duplicate option flags twice.
479 Reuse help texts for duplicate options which do not have
482 * gcc.c (display_help): Document --version.
484 * gcc.c (main): If print_help_list and verbose_flag, ensure
485 driver output comes before subprocess output.
487 * optc-gen.awk: Assign all remaining fields to help string,
488 space-separated, for multi-line help in *.opt.
490 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
491 -Wno-pedantic-ms-format is for MinGW targets only.
493 * doc/options.texi (Option file format): Fix bad indentation,
494 restoring dropped sentence.
496 2009-02-28 Jan Hubicka <jh@suse.cz>
498 * tree-inline.c (tree_function_versioning): Output debug info.
500 2009-02-28 Jan Hubicka <jh@suse.cz>
503 * tree-inline.c (setup_one_parameter): Do not copy propagate
504 arguments when not optimizing.
506 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
509 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
510 (avx_addsubv4df3): Likewise.
511 (*avx_addsubv4sf3): Likewise.
512 (sse3_addsubv4sf3): Likewise.
513 (*avx_addsubv2df3): Likewise.
514 (sse3_addsubv2df3): Likewise.
515 (avx_unpckhps256): Correct item selectors.
516 (avx_unpcklps256): Likewise.
517 (avx_unpckhpd256): Likewise.
518 (avx_unpcklpd256): Likewise.
520 2009-02-28 Jan Hubicka <jh@suse.cz>
522 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
524 (copy_arguments_for_versioning): If var is declared don't declare it.
525 (tree_function_versioning): First setup substitutions and then copy
528 2009-02-27 Jan Hubicka <jh@suse.cz>
531 * cgraph.h (varpool_output_debug_info): Remove.
532 * cgraphunit.c (varpool_output_debug_info): Remove.
533 * dwarf2out.c (deferred_locations_struct): New struct
534 (deferred_locations): New type.
535 (deferred_locations_list): New static var.
536 (deffer_location): New function.
537 (gen_variable_die): Use it.
538 (decls_for_scope): Output info on local static vars.
539 (dwarf2out_finish): Process deferred locations.
540 * varpool.c (varpool_output_debug_info): Remove.
542 2009-02-27 Jan Hubicka <jh@suse.cz>
545 * tree.h (TREE_PROTECTED): Fix comment.
546 (BLOCK_HANDLER_BLOCK): Remove.
547 (struct tree_block): Remove handler_block add body_block.
548 (inlined_function_outer_scope_p): New.
549 (is_body_block): Remove.
550 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
551 * dwarf2out.c (is_inlined_entry_point): Remove.
552 (add_high_low_attributes): Use inlined_function_outer_scope_p.
553 (gen_block_die): Use is_inlined_entry_point check. Remove body block
555 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
556 * gimplify.c (gimplify_expr): Gimplify body blocks.
557 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
558 block with multiple subblocks.
559 (dump_scope_block): Prettier output; dump more flags and info.
560 (dump_scope_blocks): New.
561 (remove_unused_locals): Use dump_scope_blocks.
562 * tree-flow.h (dump_scope_blocks): Declare.
563 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
564 * stmt.c (is_body_block): Remove.
565 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
566 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
568 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
571 * graphite.c (graphite_loop_normal_form): Do not call
572 number_of_iterations_exit from a gcc_assert.
574 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
576 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
577 jumps if COND is NULL.
578 (find_cond_jump): New function.
579 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
580 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
582 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
584 * config/alpha/alpha.h (alpha_expand_mov): Return false if
585 force_const_mem returns NULL_RTX.
587 2009-02-26 Jan Hubicka <jh@suse.cz>
590 * cgraph.h (varpool_output_debug_info): Remove.
591 * cgraphunit.c (varpool_output_debug_info): Remove.
592 * dwarf2out.c (deferred_locations_struct): New struct
593 (deferred_locations): New type.
594 (deferred_locations_list): New static var.
595 (deffer_location): New function.
596 (gen_variable_die): Use it.
597 (decls_for_scope): Output info on local static vars.
598 (dwarf2out_finish): Process deferred locations.
599 * varpool.c (varpool_output_debug_info): Remove.
601 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
603 PR rtl-optimization/39241
604 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
605 to subreg_offset_representable_p.
607 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
609 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
610 execute function prototype. Get f and nregs from max_reg_num
611 and get_insns. Remove the first backward pass as it's dead,
612 guard the forward pass by flag_expensive_optimizations.
613 (rest_of_handle_regmove): Delete.
614 (pass_regmove): Replace it with regmove_optimize.
616 2009-02-25 Martin Jambor <mjambor@suse.cz>
618 PR tree-optimization/39259
619 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
620 calls_alloca function flags.
621 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
624 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
626 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
627 flags_set_1_rtx, flags_set_1_set): Delete.
628 (regmove_optimize): Do not call mark_flags_life_zones.
630 2009-02-24 Julian Brown <julian@codesourcery.com>
633 * config/arm/arm.c (require_pic_register): Only set
634 cfun->machine->pic_reg once per function.
636 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
638 * doc/invoke.texi (Link Options): Document an easier way to pass
639 options that take arguments to the GNU linker using -Xlinker and -Wl.
641 2009-02-24 Steve Ellcey <sje@cup.hp.com>
644 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
646 2009-02-24 Richard Guenther <rguenther@suse.de>
649 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
651 2009-02-24 Richard Guenther <rguenther@suse.de>
652 Zdenek Dvorak <ook@ucw.cz>
654 PR tree-optimization/39233
655 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
656 from converting them to a generic type.
658 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
660 PR tree-optimization/39260
661 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
662 contains a condition with a real type.
663 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
665 2009-02-23 Jason Merrill <jason@redhat.com>
668 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
669 narrowing_initializer_constant_valid_p.
670 (narrowing_initializer_constant_valid_p): Don't return
671 null_pointer_node for adding a pointer to itself.
673 2009-02-23 Jan Hubicka <jh@suse.cz>
676 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
679 2009-02-23 Jan Hubicka <jh@suse.cz>
681 PR tree-optimization/37709
682 * tree.c (block_ultimate_origin): Move here from dwarf2out.
683 * tree.h (block_ultimate_origin): Declare.
684 * dwarf2out.c (block_ultimate_origin): Move to tree.c
685 * tree-ssa-live.c (remove_unused_scope_block_p):
686 Eliminate blocks containig no instructions nor live variables nor
688 (dump_scope_block): New function.
689 (remove_unused_locals): Enable removal of dead blocks by default;
690 enable dumping at TDF_DETAILS.
692 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
694 * config/i386/i386.c (classify_argument): Don't allow COImode
696 (function_arg_advance_32): Don't allow OImode.
697 (function_arg_32): Likewise.
698 (function_value_32): Likewise.
699 (return_in_memory_32): Likewise.
700 (function_arg_64): Remove OImode comment.
702 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
705 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
706 ix86_expand_vector_set for V4DImode in 64bit mode only.
707 (ix86_expand_vector_init_one_var): Likewise.
709 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
711 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
713 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
716 * loop-iv.c: Revert last change.
717 * emit-rtl.c: Likewise.
719 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
722 * config/i386/i386.c (type_natural_mode): Remove an extra
723 space in the warning message.
724 (function_value_32): Handle 32-byte vector modes.
725 (return_in_memory_32): Likewise.
727 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
729 * loop-iv.c (truncate_value): New function.
730 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
732 (lowpart_subreg): Move to...
733 * emit-rtl.c: ...here.
735 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
737 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
738 accidental and undocumented change at revision 140860.
740 2009-02-21 Joseph Myers <joseph@codesourcery.com>
742 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
743 take gimple_seq * arguments.
744 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
745 types_compatible_p langhook.
747 2009-02-20 Mark Mitchell <mark@codesourcery.com>
748 Joseph Myers <joseph@codesourcery.com>
750 * config/arm/arm.c (arm_builtin_va_list): New function.
751 (arm_expand_builtin_va_start): Likewise.
752 (arm_gimplify_va_arg_expr): Likewise.
753 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
754 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
755 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
756 (va_list_type): New variable.
757 (arm_mangle_type): Mangle va_list_type appropriately.
759 2009-02-20 Jakub Jelinek <jakub@redhat.com>
762 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
763 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
764 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
765 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
766 parameter to 1000 for -O1 by default.
767 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
769 * loop-invariant.c: Include params.h.
770 (move_loop_invariants): Don't call move_single_loop_invariants on
773 2009-02-20 Jaka Mocnik <jaka@xlab.si>
775 * calls.c (emit_library_call_value_1): Use slot_offset instead of
776 offset when calculating bounds for indexing stack_usage_map. Fixes
777 a buffer overflow with certain target setups.
779 2009-02-20 Jakub Jelinek <jakub@redhat.com>
782 * calls.c (expand_call): Clear try_tail_call if caller and callee
783 disagree in promotion of function return value.
785 2009-02-19 Jakub Jelinek <jakub@redhat.com>
788 * c-common.c (c_determine_visibility): If visibility changed and
789 DECL_RTL has been already set, call make_decl_rtl to update symbol
792 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
795 * varasm.c (assemble_variable): Don't check DECL_NAME when
796 globalizing a variable.
798 2009-02-19 Joseph Myers <joseph@codesourcery.com>
801 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
802 expression before any __builtin_trap call.
803 * c-typeck.c (build_function_call): Convert and check function
804 arguments before generating a call to a trap. Evaluate the
805 function arguments before the trap.
807 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
810 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
811 (UNSPEC_FXAM_MEM): New unspec.
812 (fxam<mode>2_i387_with_temp): New insn and split pattern.
813 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
814 memory using fxam<mode>2_i387_with_temp to remove excess precision.
816 2009-02-19 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/39207
819 PR tree-optimization/39074
820 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
821 storedanything_tree): New.
822 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
823 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
824 (build_succ_graph): Add edges from STOREDANYTHING to all
826 (init_base_vars): Initialize STOREDANYTHING.
827 (compute_points_to_sets): Free substitution info after
828 building the succ graph.
829 (ipa_pta_execute): Likewise.
831 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
833 (do_ds_constraint): Do not add to special var or non-pointer
835 (type_could_have_pointers): Split out from ...
836 (could_have_pointers): ... here. For arrays use the element type.
837 (create_variable_info_for): Initialize may_have_pointers.
838 (new_var_info): Likewise.
839 (handle_lhs_call): Make the HEAP variable unknown-sized.
840 (intra_create_variable_infos): Use a type with pointers for
841 PARM_NOALIAS, make it unknown-sized.
843 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
846 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
848 2009-02-18 Jason Merrill <jason@redhat.com>
851 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
852 value if DECL_EXTERNAL.
853 * tree-sra.c (sra_walk_gimple_assign): Likewise.
854 * target.h (gcc_target::binds_local_p): Clarify "module".
855 * tree.h (TREE_PUBLIC): Clarify "module".
857 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
860 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
861 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
863 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
866 * c.opt (Wabi): Support C and ObjC.
869 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
871 * config/i386/i386.c (classify_argument): Warn once about the ABI
872 change when passing union with long double.
874 * doc/invoke.texi: Update -Wabi for warning psABI changes.
876 2009-02-18 Joseph Myers <joseph@codesourcery.com>
879 * c-parser.c (c_parser_compound_statement): Always enter and leave
882 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
885 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
887 2009-02-18 Jakub Jelinek <jakub@redhat.com>
889 PR tree-optimization/36922
890 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
891 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
894 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
896 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
899 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
901 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
903 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
905 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
908 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
909 Richard Sandiford <rdsandiford@googlemail.com>
911 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
912 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
913 (loongson_biadd): ...this.
915 2009-02-17 Richard Guenther <rguenther@suse.de>
917 PR tree-optimization/39202
918 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
919 a var make sure to follow existing collapses.
921 2009-02-17 Richard Guenther <rguenther@suse.de>
924 * langhooks.c (lhd_print_error_function): Check for NULL block.
926 2009-02-17 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/39204
929 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
932 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
934 * config/soft-fp/double.h: Update from glibc CVS.
936 2009-02-17 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/39207
939 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
940 strict-aliasing warnings for pointers pointing to NULL.
942 2009-02-16 Joseph Myers <joseph@codesourcery.com>
945 * c-parser.c (c_parser_braced_init): Call pop_init_level when
946 skipping until next close brace.
948 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
951 * config/i386/i386.c (ix86_expand_push): Set memory alignment
952 to function argument boundary.
954 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
956 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
957 in the lea_add. Reload eventually constraints it properly.
958 * config/picochip/constraints.md : Remove the target constraint
959 "b", since it is not needed anymore.
961 2009-02-16 Jakub Jelinek <jakub@redhat.com>
963 * gthr-dce.h: Uglify function parameter and local variable names.
964 * gthr-gnat.h: Likewise.
965 * gthr-mipssde.h: Likewise.
966 * gthr-nks.h: Likewise.
967 * gthr-posix95.h: Likewise.
968 * gthr-posix.h: Likewise.
969 * gthr-rtems.h: Likewise.
970 * gthr-single.h: Likewise.
971 * gthr-solaris.h: Likewise.
972 * gthr-tpf.h: Likewise.
973 * gthr-vxworks.h: Likewise.
974 * gthr-win32.h: Likewise.
976 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
979 * config/i386/i386.md: Restrict the new peephole2 to move
980 between MMX/SSE registers.
982 2009-02-15 Richard Guenther <rguenther@suse.de>
985 2009-02-13 Richard Guenther <rguenther@suse.de>
987 * configure.ac: Enable LFS.
988 * configure: Re-generate.
989 * config.in: Likewise.
991 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
993 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
994 spu_srqwbyte, spu_srqwbytebc): Define.
995 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
996 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
997 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
998 "shrqby_<mode>"): New insn-and-split patterns.
999 * config/spu/spu.c (expand_builtin_args): Determine and return
1000 number of operands using spu_builtin_description data.
1001 (spu_expand_builtin_1): Use it.
1003 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1006 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1009 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1012 * config/i386/i386.c (override_options): Correct warning
1013 messages for -malign-loops, -malign-jumps and -malign-functions.
1015 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1018 * config/i386/i386.md: Restrict the new peephole2 to move
1019 between the general purpose registers.
1021 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1024 * config/i386/i386.c (type_natural_mode): Add a new argument.
1025 Return the original mode and warn ABI change if vector size is 32byte.
1026 (function_arg_advance): Updated.
1027 (function_arg): Likewise.
1028 (ix86_function_value): Likewise.
1029 (ix86_return_in_memory): Likewise.
1030 (ix86_sol10_return_in_memory): Likewise.
1031 (ix86_gimplify_va_arg): Likewise.
1032 (function_arg_32): Don't warn ABX ABI change here.
1033 (function_arg_64): Likewise.
1035 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1037 * loop-iv.c (implies_p): In the final case, test that operands 0
1038 of the two comparisons match.
1040 * config/bfin/bfin.c (find_prev_insn_start): New function.
1041 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1042 (find_next_insn_start): Move.
1044 2009-02-13 Richard Guenther <rguenther@suse.de>
1046 * configure.ac: Enable LFS.
1047 * configure: Re-generate.
1048 * config.in: Likewise.
1050 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1053 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1054 sizes on syntax error after some arguments have been parsed.
1056 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1058 * doc/invoke.texi (-fira): Remove.
1060 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1062 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1063 * recog.c: Likewise.
1066 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1068 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1069 (umul_ppmm): Likewise.
1070 (count_leading_zeros): Likewise.
1071 (count_trailing_zeros): Likewise.
1072 (UMUL_TIME): Likewise.
1074 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1076 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1077 soft-fp/t-softfp to tmake_file.
1079 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1080 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1081 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1082 IA64_BUILTIN_INFQ]: New.
1083 (ia64_init_builtins): Initialize __builtin_infq,
1084 __builtin_fabsq and __builtin_copysignq if not HPUX.
1085 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1086 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1088 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1090 (__fixtfti): Likewise.
1091 (__fixunstfti): Likewise.
1092 (__floattitf): Likewise.
1094 * config/ia64/libgcc-glibc.ver: New.
1095 * config/ia64/t-fprules-softfp: Likewise.
1096 * config/ia64/sfp-machine.h: Likewise.
1098 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1099 (LIBGCC2_TF_CEXT): Likewise.
1100 (TF_SIZE): Likewise.
1101 (TARGET_INIT_LIBFUNCS): Likewise.
1103 * config/ia64/t-glibc (SHLINB_MAPFILES):
1104 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1106 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1108 * config/i386/i386.c (construct_container): Rewrite processing
1109 BLKmode with X86_64_SSE_CLASS.
1111 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1114 * config/i386/i386.md: Replace simplify_replace_rtx with
1115 replace_rtx in the new peephole2.
1117 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1119 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1120 loop unrolling do not happen at -O2.
1122 2009-02-12 Michael Matz <matz@suse.de>
1124 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1126 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1128 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1131 2009-02-12 Ben Elliston <bje@au.ibm.com>
1133 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1134 patterns when updating the back chain. Missed in the 2009-02-10
1137 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1139 * doc/extend.texi (Decimal Floating Types): Update identifier of
1140 draft TR and list of missing support.
1142 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1145 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1146 bit to variable length decl's flags, add it also to its
1147 pointer replacement variable.
1149 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1150 Jakub Jelinek <jakub@redhat.com>
1153 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1154 (memory_blockage): New expander.
1155 (*memory_blockage): New insn pattern.
1156 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1157 instead of general blockage at the end of function prologue when
1158 frame pointer is used to access red zone area. Do not emit blockage
1159 when profiling, it is emitted in generic code.
1160 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1161 function epilogue when frame pointer is used to access red zone area.
1163 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1166 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1167 by arithmetic with memory operands.
1168 * config/i386/predicates.md (commutative_operator): New.
1170 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1172 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1175 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1177 * alias.h (record_alias_subset): Declare.
1178 * alias.c (record_alias_subset): Make global.
1180 2009-02-10 Nick Clifton <nickc@redhat.com>
1182 * tree-parloops.c: Change license to GPLv3.
1183 * ipa-struct-reorg.c: Change license to GPLv3.
1184 * ipa-struct-reorg.h: Change license to GPLv3.
1186 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1189 * c-decl.c (start_struct): Return NULL on error.
1191 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1194 * cfgloopmanip.c (remove_path): Call remove_bbs after
1195 cancel_loop_tree, not before it.
1198 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1199 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1200 VAR_DECLs were seen.
1201 * tree-ssa-live.c (remove_unused_locals): Recompute
1202 cfun->has_local_explicit_reg_vars.
1203 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1204 copies or clearings if cfun->has_local_explicit_reg_vars.
1206 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1209 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1210 of function prologue when frame pointer is used to access
1213 2009-02-10 Richard Guenther <rguenther@suse.de>
1216 * gimplify.c (gimple_regimplify_operands): Always look if
1217 we need to create a temporary.
1219 2009-02-10 Richard Guenther <rguenther@suse.de>
1221 PR tree-optimization/39132
1222 * tree-loop-distribution.c (todo): New global var.
1223 (generate_memset_zero): Trigger TODO_rebuild_alias.
1224 (tree_loop_distribution): Return todo.
1226 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1229 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1230 (x86_64_reg_class_name): Removed.
1231 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1232 first one isn't X86_64_SSE_CLASS or any other ones aren't
1233 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1234 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1235 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1236 and 3 X86_64_SSEUP_CLASS.
1237 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1238 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1240 2009-02-10 Ben Elliston <bje@au.ibm.com>
1242 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1243 form instruction to update the stack back chain word, even if the
1244 user has disabled the generation of update instructions.
1245 (movdi_<mode>_update_stack): New.
1246 (movsi_update_stack): Likewise.
1247 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1248 always use an update form instruction to update the stack back
1251 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1254 * graphite.c (if_region_set_false_region): After moving a region in
1255 the false branch of a condition, remove the empty dummy basic block.
1256 (gloog): Remove wrong fix for PR38953.
1258 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1260 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1261 generation due to implicit sign extension.
1263 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1266 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1267 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1269 2009-02-09 Richard Guenther <rguenther@suse.de>
1272 * convert.c (convert_to_real): Disable (float)fn((double)x)
1273 to fnf(x) conversion if errno differences may occur and
1274 -fmath-errno is set.
1276 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1278 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1279 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1280 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1282 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1285 * c-common.c (handle_alias_attribute): Disallow attribute for
1286 anything not a FUNCTION_DECL or VAR_DECL.
1288 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1291 * real.c (do_compare): Special-case compare of zero against
1292 decimal float value.
1294 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1297 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1298 as indicating flexible array members unless the field itself is
1299 being declarared as the incomplete array.
1301 2009-02-06 Jan Hubicka <jh@suse.cz>
1303 PR tree-optimization/38844
1304 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1307 2009-02-06 Richard Guenther <rguenther@suse.de>
1310 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1311 fork because we may expand it as __gcov_fork.
1313 2009-02-06 Nick Clifton <nickc@redhat.com>
1315 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1317 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1319 PR tree-optimization/35659
1320 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1321 vn_phi_eq): Shortcut if hashcode does not match.
1322 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1324 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1325 and avoid iterative_hash_expr.
1326 (FOR_EACH_VALUE_ID_IN_SET): New.
1327 (value_id_compare): Remove.
1328 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1329 sort expressions by value id.
1331 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1334 * config/sh/predicates.md (general_movsrc_operand): Don't check
1335 the subreg of system registers here.
1337 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1340 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1343 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1345 PR rtl-optimization/39110
1346 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1347 addresses, not aligned ones.
1349 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1350 Richard Guenther <rguenther@suse.de>
1352 PR tree-optimization/39100
1353 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1354 comment says and add edges.
1356 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1359 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1360 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1362 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1364 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1365 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1366 register_bb_in_sese, new_sese, free_sese): Moved.
1367 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1368 outermost_loop_in_scop, build_scop_iteration_domain,
1369 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1370 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1371 Use loop_in_sese_p instead of loop_in_scop_p.
1372 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1373 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1374 (scopdet_basic_block_info): Fix bug in scop detection.
1375 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1376 eq_loop_to_cloog_loop): Remove.
1377 (nb_loops_around_loop_in_scop, nb_loop
1378 ref_nb_loops): Moved here...
1379 * graphite.h (ref_nb_loops): ... from here.
1380 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1381 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1382 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1383 * testsuite/gcc.dg/graphite/scop-19.c: New
1385 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1386 Hans-Peter Nilsson <hp@axis.com>
1388 PR rtl-optimization/37889
1389 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1390 Move offset handling from PLUS to before the switch. Use new
1391 arguments when considering SYMBOL_REFs too.
1392 (rtx_addr_can_trap_p): Pass dummy offset and size.
1393 (enum may_trap_p_flags): Remove.
1394 (may_trap_p_1): Pass size from MEM_SIZE.
1396 PR rtl-optimization/38921
1397 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1398 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1399 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1400 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1402 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1404 AVX Programming Reference (January, 2009)
1405 * config/i386/sse.md (*vpclmulqdq): New.
1407 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1409 PR tree-optimization/38977
1410 PR gcov-profile/38292
1411 * calls.c (special_function_p): Disregard __builtin_ prefix.
1413 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1415 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1416 non-indexable addresses even before reload.
1418 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1421 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1422 as having variable size. Do not give an error for unnamed
1423 parameters with [*] declarators. Give a warning for type names
1424 with [*] declarators and mark them as variable size.
1425 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1426 for sizeof applied to [*] type names.
1428 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1431 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1433 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1435 * gcc.c (process_command): Update copyright notice dates.
1436 * gcov.c (print_version): Likewise.
1437 * gcov-dump.c (print_version): Likewise.
1438 * mips-tfile.c (main): Likewise.
1439 * mips-tdump.c (main): Likewise.
1441 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1444 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1445 for composite type involving a zero-length array type.
1447 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1450 * function.c (match_asm_constraints_1): Skip over
1451 initial optional % in the constraint.
1454 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1455 supported, don't accept FIXED_CSTs.
1456 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1457 and _Sat is used without _Fract/_Accum. Set specs->type to
1458 integer_type_node for cts_fract/cts_accum if fixed point is not
1461 2009-02-02 Catherine Moore <clm@codesourcery.com>
1463 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1465 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1467 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1468 (ABI_HAS_64BIT_SYMBOLS): Use it.
1469 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1471 2009-02-02 Paul Brook <paul@codesourcery.com>
1473 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1475 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1478 * recog.h (asm_operand_ok): Add constraints argument.
1479 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1480 recurse on matching constraint.
1481 (check_asm_operands): Pass constraints as 3rd argument to
1482 asm_operand_ok. Don't look up matching constraint here.
1483 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1486 2009-02-02 Ben Elliston <bje@au.ibm.com>
1488 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1489 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1491 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1493 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1494 information. Remove some obsolete information. Reorganize.
1496 * config/pa/fptr.c: Revert license to GPL 2.
1497 * config/pa/milli64.S: Likewise.
1499 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1502 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1503 LIBRARY name in, instead of hard-coding it.
1504 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1505 extra target make frag to tmake_files according to EH model.
1506 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1507 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1508 frags that define makefile variable EH_MODEL appropriately.
1509 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1510 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1511 to "-sjlj" according to type of EH configured.
1512 (LIBGCC_SONAME): Concatenate it to shared library base name.
1513 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1514 to "_sjlj" according to type of EH configured.
1515 (LIBGCC_SONAME): Concatenate it to shared library base name.
1516 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1517 (SHLIB_LINK): Add missing semicolon to if-else construct.
1518 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1519 string value of "pe_dll" command-line option.
1520 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1521 (SHLIB_SONAME): Use it when overriding t-cygming default.
1522 (SHLIB_IMPLIB): Override t-cygming default.
1523 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1524 string value of "pe_dll" command-line option.
1526 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1529 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1530 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1532 2009-01-31 Richard Guenther <rguenther@suse.de>
1534 PR tree-optimization/38937
1535 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1536 computing the transitive closure.
1538 2009-01-30 Richard Guenther <rguenther@suse.de>
1540 PR tree-optimization/39041
1541 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1542 Propagate variable indices only if the types match for this stmt.
1544 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1547 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1548 inline but never defined.
1550 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1552 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1553 (*insv_h_di_reg_extimm): New insn.
1554 (*insv_l<mode>_reg_extimm): New insn.
1556 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1558 * config/picochip/picochip.c (flag_conserve_stack): set
1559 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1560 fconserve-stack. Reduce call-overhead used by inliner.
1562 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1565 * common.opt (flag_conserve_stack): Initialised to zero.
1567 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1570 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1571 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1574 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1576 * ira-color.c (allocno_reload_assign): Update comments.
1577 * regmove.c (regmove_optimize): Likewise.
1581 2009-01-29 Robert Millan <rmh@aybabtu.com>
1583 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1584 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1585 `MD_UNWIND_SUPPORT'.
1586 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1588 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1590 PR tree-optimization/39007
1591 * tree-loop-distribution.c (generate_builtin): Use
1592 recompute_dominator to compute the immediate dominator of the
1593 basic block just after the loop.
1595 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1597 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1598 (ASM_OUTPUT_DWARF_PCREL): Define.
1600 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1602 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1603 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1604 global. Modify entries about regmove and IRA.
1606 * ra-conflict.c: Remove the file.
1608 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1610 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1611 (pass_regclass_init): Rename to pass_reginfo_init.
1613 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1615 * toplev.h (flag_ira): Remove.
1617 * caller-save.c (setup_save_areas): Remove flag_ira.
1619 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1621 * global.c: Remove the file.
1623 * opts.c: (decode_options): Remove flag_ira.
1625 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1627 * regmove.c: Modify file description.
1628 (find_use_as_address, try_auto_increment): Define them only if
1629 AUTO_INC_DEC is defined.
1630 (replacement_quality, replace_in_call_usage, fixup_match_1,
1631 stable_and_no_regs_but_for_p): Remove.
1632 (reg_set_in_bb): Make it static.
1633 (regmove_optimize): Remove flag_ira and code which worked for
1636 * local-alloc.c: Remove the file.
1638 * common.opt (fira): Remove.
1640 * ira.c: Include except.h.
1641 (eliminable_regset): Move from global.c.
1642 (mark_elimination): Ditto. Remove flag_ira.
1643 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1644 equiv_mem_modified, validate_equiv_mem_from_store,
1645 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1646 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1647 no_equiv, recorded_label_ref): Move from local-alloc.c.
1648 (update_equiv_regs): Ditto. Make it static.
1649 (print_insn_chain, print_insn_chains): Move it from global.c.
1650 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1651 (build_insn_chain): Ditto. Make it static.
1652 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1653 Rename to init_live_subregs.
1654 (gate_ira): Remove flag_ira.
1656 * regclass.c: Rename reginfo.c. Change file description.
1657 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1658 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1659 (init_reg_sets_1): Remove code for evaluation of
1660 reg_class_superclasses and losing_caller_save_reg_set.
1661 (init_regs): Remove init_reg_autoinc.
1662 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1663 ok_for_base_p_nonstrict): Remove.
1664 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1665 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1666 corresponding entries.
1667 (dump_regclass, record_operand_costs, scan_one_insn,
1668 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1669 record_address_regs, auto_inc_dec_reg_p): Remove.
1670 (gt-regclass.h): Rename to gt-reginfo.h.
1672 * rtl.h (dump_global_regs, retry_global_alloc,
1673 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1675 * Makefile.in (RA_H): Remove.
1676 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1677 Rename regclass.o to reginfo.o.
1678 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1680 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1681 (GTFILES): Rename regclass.c to reginfo.c.
1683 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1684 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1686 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1687 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1689 (finish_spills): Ditto. Remove code for !flag_ira.
1691 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1694 * doc/invoke.texi (rtl debug options): Complete rewrite.
1695 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1697 * mode-switching.c (pass_mode_switching): Rename pass from
1698 "mode-sw" to "mode_sw".
1699 * except.c (pass_convert_to_eh_ranges): Rename pass from
1700 "eh-ranges" to "eh_ranges".
1701 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1705 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1706 Alexander Monakov <amonakov@ispras.ru>
1709 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1711 (move_exprs_to_boundary): Change return type and pass through
1712 should_move from move_op. Relax assert. Update usage ...
1713 (schedule_expr_on_boundary): ... here. Use should_move instead of
1715 (move_op_orig_expr_found): Indicate that insn was disconnected from
1717 (code_motion_process_successors): Do not call after_merge_succs
1718 callback if original expression was not found when traversing any of
1720 (code_motion_path_driver): Change return type. Update prototype.
1721 (move_op): Update comment. Add a new parameter (should_move). Update
1722 prototype. Set *should_move based on indication provided by
1723 move_op_orig_expr_found.
1725 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1727 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1728 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1729 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1730 * config/rs6000/rs6000.c (rs6000_override_options): Default
1731 avoid-indexed-addresses on for Power6, off for everything else.
1732 (avoiding_indexed_address_p): New function.
1733 (rs6000_legitimize_address): Use it.
1734 (rs6000_legitimate_address): Likewise.
1735 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1737 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1739 PR tree-optimization/38997
1740 * tree-loop-distribution.c (generate_memset_zero): Use
1741 POINTER_PLUS_EXPR for a pointer addition.
1743 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1745 * config/s390/s390.md (bswap<mode>2): New pattern added.
1747 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1749 * config/s390/s390.md (*tls_load_31): Added type attribute.
1751 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1753 * config/s390/s390.md: Fix a few comments.
1755 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1757 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1758 (*tm<mode>_full): Fixed z10prop attribute.
1759 (*tst<mode>_extimm): Fixed z10prop attribute.
1760 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1761 (*tstqiCCT_cconly): Fixed z10prop attribute.
1762 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1763 (*movsi_larl): Fixed z10prop attribute.
1764 (*movsi_zarch): Fixed z10prop attribute.
1765 (*movsi_eas): Fixed z10prop attribute.
1766 (*movhi): Fixed z10prop attribute.
1767 (*movqi): Fixed z10prop attribute.
1768 (*movstrictqi): Fixed z10prop attribute.
1769 (*mov<mode>): Fixed z10prop attribute.
1770 (*movcc): Fixed z10prop attribute.
1771 (*sethighpartdi_64): Fixed z10prop attribute.
1772 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1773 (*negdi2_sign_cc): Fixed z10prop attribute.
1774 (*negdi2_sign): Fixed z10prop attribute.
1775 (*absdi2_sign_cc): Fixed z10prop attribute.
1776 (*absdi2_sign): Fixed z10prop attribute.
1777 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1778 (*negabsdi2_sign): Fixed z10prop attribute.
1779 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1780 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1781 (doloop_si64): Fixed z10prop attribute.
1782 (doloop_si31): Fixed z10prop attribute.
1783 (doloop_long): Fixed z10prop attribute.
1784 (indirect_jump): Fixed z10prop attribute.
1785 (nop): Fixed z10prop attribute.
1786 (main_base_64): Fixed z10prop attribute.
1787 (reload_base_64): Fixed z10prop attribute.
1789 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1791 PR rtl-optimization/38740
1792 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1794 * config/mips/mips.c (mips_reorg): Likewise.
1796 2009-01-28 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/38926
1799 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1800 with the correct value id to a value.
1801 (do_regular_insertion): Use the value number of edoubleprime
1802 for the value number of the expr.
1805 2008-08-21 Richard Guenther <rguenther@suse.de>
1807 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1808 a PHI ask VN if it is already available.
1809 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1810 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1812 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1815 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1816 set to varying whenever max has TREE_OVERFLOW set, similarly
1817 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1819 2009-01-28 Richard Guenther <rguenther@suse.de>
1822 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1823 uninitialized aggregate uses in call arguments.
1825 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1827 PR tree-optimization/38984
1828 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1829 the nothing_id variable if -fno-delete-null-pointer-checks.
1831 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1834 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1835 (set_got_offset_rex64): Ditto.
1837 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1840 * doc/extend.texi: Improve local variable with asm reg.
1842 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1844 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1845 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1846 was not supplied then set warn_packed_bitfield_compat to the
1848 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1851 2009-01-27 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/38503
1854 * cfgexpand.c (expand_gimple_basic_block): Ignore
1855 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1856 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1857 variables that cannot have TBAA applied.
1858 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1861 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1864 * calls.c (initialize_argument_information): Do not wrap complex
1865 arguments in SAVE_EXPR.
1867 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1869 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1870 (INSTALL_LIBGCC): Revert typo commit.
1872 2009-01-26 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/38745
1875 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1876 from special handling.
1878 2009-01-26 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/38745
1881 * tree-ssa.c (execute_update_addresses_taken): Do not include
1882 variables that cannot possibly be a register in not_reg_needs.
1883 Do not clear TREE_ADDRESSABLE on vars that may not become
1885 * tree-ssa.c (update_alias_info_1): Include those in the set
1886 of addressable vars.
1888 2009-01-26 Richard Guenther <rguenther@suse.de>
1891 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1892 * tree-ssa-dse.c: Include langhooks.h
1893 (execute_simple_dse): Remove stores with zero size.
1895 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1898 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1901 2009-01-24 Julian Brown <julian@codesourcery.com>
1903 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1904 config/arm/linux-atomic.c.
1905 * config/arm/linux-atomic.c: New.
1907 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1909 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1910 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1911 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1913 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1916 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1919 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1921 PR tree-optimization/38953
1922 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1923 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1924 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1925 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1928 2009-01-24 Paul Brook <paul@codesourcery.com>
1930 * config/arm/neon.md (neon_type): Move to arm.md.
1931 (neon_mov<VSTRUCT>): Add neon_type attribute.
1932 * config/arm/arm.md (neon_type): Move to here.
1933 (conds): Add "unconditioal" and use as default for NEON insns.
1935 2009-01-24 Ben Elliston <bje@au.ibm.com>
1937 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1938 void *' warning from -Wc++-compat.
1939 * Makefile.in (dominance.o-warn): Remove.
1941 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1943 PR tree-optimization/38932
1944 * fold-const.c (fold_unary_ignore_overflow): New.
1945 * tree.h (fold_unary_ignore_overflow): Declare.
1946 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1947 * tree-ssa-sccvn.c (visit_reference_op_load,
1948 simplify_unary_expression): Likewise.
1950 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1952 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1953 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1954 regardless of their type.
1955 * c-common.c (handle_packed_attribute): Don't ignore packed on
1957 * c.opt (Wpacked-bitfield-compat): New warning option.
1958 * stor-layout.c (place_field): Warn if offset of a field changed.
1959 * doc/extend.texi (packed): Mention the ABI change.
1960 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1961 (Warning Options): Add it to the list.
1963 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1965 * c-opts.c (c_common_post_options): Fix a typo in comments.
1967 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1970 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1971 variables to static.
1972 * doc/invoke.texi (-fmerge-all-constants): Update description.
1974 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1977 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1978 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1980 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1982 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1984 (LOCAL_ALIGNMENT): Similarly.
1986 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1987 Joseph Myers <joseph@codesourcery.com>
1989 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1990 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1991 * config/arm/arm-tune.md: Regenerate.
1992 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1995 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1997 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1998 version number to five.
2000 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2003 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2004 * c-common.c (set_underlying_type): Likewise.
2005 (is_typedef_decl ): Likewise
2007 (set_underlying_type): Likewise.
2008 (is_typedef_type): Likewise.
2010 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2013 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2016 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2019 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2020 (LIBGCC_SPEC): Don't define.
2021 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2023 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2025 PR rtl-optimization/38879
2026 * alias.c (base_alias_check): Unaligned access via AND address can
2027 alias all surrounding object types except those with sizes equal
2028 or wider than the size of unaligned access.
2030 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2033 * c-decl.c: (clone_underlying_type): Move this ...
2034 * c-common.c (set_underlying_type): ... here.
2035 Also, make sure the function properly sets TYPE_STUB_DECL() on
2036 the newly created typedef variant type.
2037 (is_typedef_decl ): New entry point.
2038 * tree.h: Added a new member member_types_needing_access_check to
2039 struct tree_decl_non_common.
2040 (set_underlying_type): New entry point.
2041 (is_typedef_type): Likewise.
2043 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2045 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2046 Check whether two instructions have memory references that
2047 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2048 are helper functions for traversing.
2049 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2050 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2051 not to draw dependency edge for instructions with non-conflicting
2054 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2057 * longlong.h: Update copyright years. Use soft-fp license notice.
2058 Sync __clz_tab declaration with glibc.
2060 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2063 * doc/extend.texi (syscall_linkage): New.
2064 (version_id): Modify.
2066 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2067 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/38747
2070 PR tree-optimization/38748
2071 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2072 conversion if the base address is an indirect reference and the
2073 aliasing sets could cause issues.
2075 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2077 * common.opt (fgraphite, fgraphite-identity): Add comment for
2078 explaining why these options are not documented.
2080 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2082 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2083 gimple_call_lhs is NULL.
2085 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2088 * emit-rtl.c (adjust_address_1): Make sure memref is never
2091 2009-01-20 Ben Elliston <bje@au.ibm.com>
2093 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2094 const qualifier from arg parameter. Remove unnecessary cast to char *.
2095 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2096 const qualifier from arg 2.
2098 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2100 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2102 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2105 * rtl.h (reinit_regs): New prototype.
2106 * regclass.c: Include ira.h.
2108 * Makefile.in (regclass.o): Add ira.h.
2109 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2111 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2114 * c-common.c (handle_aligned_attribute): Use
2115 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2116 default alignment value.
2118 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2120 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2121 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2123 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2124 __BIGGEST_ALIGNMENT__.
2126 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2128 2009-01-18 Richard Guenther <rguenther@suse.de>
2130 PR tree-optimization/38819
2131 * tree-flow.h (operation_could_trap_helper_p): Declare.
2132 * tree-eh.c (operation_could_trap_helper_p): Export.
2133 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2134 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2135 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2136 are about to insert a possibly trapping instruction and fail
2139 2009-01-18 Andreas Schwab <schwab@suse.de>
2141 * doc/install.texi (Configuration): Remove obsolete paragraph
2142 about use of --with-gnu-ld with --with-gnu-as.
2144 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2146 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2147 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2148 Follow spelling conventions.
2150 2009-01-18 Ben Elliston <bje@au.ibm.com>
2152 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2153 C++ warning about implicit conversion from void * to struct
2155 (bitmap_obstack_free): Likewise for bitmap_element *.
2156 * Makefile.in (bitmap.o-warn): Remove.
2158 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2160 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2162 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2163 Tobias Grosser <tobi.grosser@amd.com>
2165 * graphite.c (graphite_trans_scop_block): Do not block single
2168 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2170 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2171 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2172 test with assertion.
2174 2009-01-16 Richard Guenther <rguenther@suse.de>
2176 PR tree-optimization/38835
2178 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2179 and INT + PTR -> (INT)(PTR p+ INT) folding.
2180 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2182 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2185 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2186 the subreg from a lowpart subreg if it is also casting the value.
2188 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2189 Tobias Grosser <tobi.grosser@amd.com>
2191 * graphite.c (compare_prefix_loops): New.
2192 (build_scop_canonical_schedules): Rewritten.
2193 (graphite_transform_loops): Move build_scop_canonical_schedules
2194 after build_scop_iteration_domain.
2196 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2197 Tobias Grosser <tobi.grosser@amd.com>
2199 * graphite.c (add_conditions_to_domain): Add the loops to
2200 the dimension of the iteration domain. Do copy the domain
2201 only when it exists.
2202 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2203 (add_conditions_to_constraints): New.
2204 (can_generate_code_stmt, can_generate_code): Removed.
2205 (gloog): Do not call can_generate_code.
2206 (graphite_transform_loops): Call add_conditions_to_constraints
2207 after building the iteration domain.
2209 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2211 PR tree-optimization/38789
2212 * tree-ssa-threadedge.c
2213 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2214 __builtin_constant_p.
2216 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2218 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2219 examined before deleting them.
2221 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2223 * function.c (aggregate_value_p): Correctly extract the function
2224 type from CALL_EXPR_FN lookup.
2226 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2228 * config/picochip/picochip.c (picochip_override_options): Revert
2229 CFI asm flag disable commited previously.
2231 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2232 Tobias Grosser <tobi.grosser@amd.com>
2233 Jan Sjodin <jan.sjodin@amd.com>
2235 * graphite.c (scan_tree_for_params): On substractions negate
2236 all the coefficients of the term.
2237 (clast_to_gcc_expression_red): New. Handle reduction expressions
2238 of more than two operands.
2239 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2240 (get_vdef_before_scop): Handle also the case of default definitions.
2242 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2244 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2245 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2246 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2248 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2249 Joey Ye <joey.ye@intel.com>
2252 * cfgexpand.c (expand_stack_alignment): Don't update stack
2253 boundary nor check incoming stack boundary here.
2254 (gimple_expand_cfg): Update stack boundary and check incoming
2255 stack boundary here.
2257 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2259 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2261 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2263 PR rtl-optimization/38245
2264 * calls.c (expand_call): Add stack arguments to
2265 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2266 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2267 in regs and partially in memory or BLKmode arguments.
2268 (emit_library_call_value_1): Add stack arguments to
2269 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2270 ACCUMULATE_OUTGOING_ARGS).
2271 * dce.c: Include tm_p.h.
2272 (find_call_stack_args): New function.
2273 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2275 (mark_insn): Call find_call_stack_args for CALL_Ps.
2276 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2277 forwards. Allocate and free arg_stores bitmap if needed, pass it
2278 down to deletable_insn_p, don't mark stores set in arg_stores
2279 bitmap, clear the bitmap at the beginning of each bb.
2280 * Makefile.in (dce.o): Depend on $(TM_P_H).
2282 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2285 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2286 to make sure the insn is a conditional test (bug 22599). Reformat a
2289 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2292 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2293 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2294 (gloog): Do not call cleanup_tree_cfg.
2295 (graphite_transform_loops): Call cleanup_tree_cfg after all
2296 scops have been code generated.
2298 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2299 * doc/gty.texi (Invoking the garbage collector): Added new node
2300 and section documenting ggc_collect.
2302 2009-01-14 Richard Guenther <rguenther@suse.de>
2304 PR tree-optimization/38826
2306 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2307 initialization notes only if we actually emitted a warning.
2308 (intra_create_variable_infos): Add constraints for a result decl
2309 that is passed by hidden reference.
2310 (build_pred_graph): Mark all related variables non-direct on
2313 2009-01-14 Nick Clifton <nickc@redhat.com>
2315 * ira-conflicts.c: Include addresses.h for the definition of
2317 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2318 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2320 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2323 * Makefile.in (ira-lives.o): Add except.h.
2325 * ira-lives.c: Include except.h.
2326 (process_bb_node_lives): Process can_throw_internal.
2328 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2330 PR rtl-optimization/38774
2331 * combine.c (simplify_set): When undoing cc_use change, don't do
2332 PUT_CODE on the newly created comparison, but instead put back the
2335 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2337 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2338 values. Remove duplicate arm8 entry.
2340 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2342 PR tree-optimization/38786
2343 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2344 the SSA_NAME case of expand_scalar_variables_expr.
2345 Set the type of an expression to the type of its assign statement.
2346 (expand_scalar_variables_expr): Also gather the scalar computation
2347 used to index the memory access. Do not pass loop_p.
2348 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2349 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2350 the gimple_stmt_iterator where it inserts new code.
2352 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2353 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2355 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2357 * graphite.h (debug_value): Removed.
2358 * graphite.c (debug_value): Removed.
2360 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2362 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2363 ldrd/strd with two 32-bit instructions.
2365 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2367 * config/arm/arm.c (struct processors): Pass for speed down into
2368 cost helper functions.
2369 (const_ok_for_op): Handle COMPARE and inequality nodes.
2370 (arm_rtx_costs_1): Rewrite.
2371 (arm_size_rtx_costs): Update prototype.
2372 (arm_rtx_costs): Pass speed down to helper functions.
2373 (arm_slowmul_rtx_costs): Rework cost calculations.
2374 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2375 (arm_9e_rtx_costs): Likewise.
2377 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2379 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2380 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2381 (alpha_legitimize_address): Do not split local symbols wider than
2382 UNITS_PER_WORD into HIGH/LO_SUM parts.
2384 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2387 * gcc.c (process_command): Replace call to execvp with calls
2388 to pex_one and exit.
2390 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2393 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2394 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2395 variant for devices with 3-byte PC.
2396 (__tablejump_elpm__) : New.
2398 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2401 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2402 offsetof member-designator, handle it as `[0].'.
2404 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2406 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2407 function when not using named sections on targets with named sections
2408 if branch distance is less than 262132.
2410 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2412 * combine.c (combine_instructions): Recompute
2413 optimize_this_for_speed_p for each BB in the main combine loop.
2415 2009-01-12 Tomas Bily <tbily@suse.cz>
2418 * tree-loop-distribution.c (prop_phis): New function.
2419 (generate_builtin): Call prop_phis.
2420 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2422 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2424 PR tree-optimization/38807
2425 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2426 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2428 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2430 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2431 subreg of op0 to the original op0.
2433 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2435 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2437 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2440 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2441 starting with digits.
2443 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2446 * config/arm/arm.c (arm_is_long_call_p): Don't call
2447 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2449 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2451 * regrename.c (regrename_optimize): Fix dumping.
2452 (find_oldest_value_reg): Preserve REG_POINTER.
2453 (copy_hardreg_forward_1): Likewise.
2455 2009-01-09 Diego Novillo <dnovillo@google.com>
2457 * gimple.h (struct gimple_statement_base) <uid>: Document
2458 the restrictions on its use.
2460 (gimple_set_uid): Tidy.
2462 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2464 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2465 zero guard even if align_bytes != 0 and count is smaller than
2468 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2470 PR rtl-optimization/38495
2471 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2472 (add_range_and_copies_from_move_list): Print all added ranges.
2473 Add ranges to memory optimized destination.
2475 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2479 * config/i386/i386.c (override_options): Reject
2480 -mstringop-strategy=rep_8byte with -m32.
2481 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2482 to 1. Do count comparison against epilogue_size_needed at compile
2483 time even when count_exp was constant forced into register. For
2484 size_needed don't jump to epilogue, instead just avoid aligning
2485 and invoke the body algorithm. If need_zero_guard, add zero guard
2486 even if count is non-zero, but smaller than size_needed + number of
2487 bytes that could be stored for alignment.
2488 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2489 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2490 but smaller than size_needed + number of bytes that could be stored
2491 for alignment. Compare size_needed with epilogue_size_needed instead
2492 of desired_align - align, don't adjust size_needed, pass
2493 epilogue_size_needed to the epilogue expanders.
2496 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2498 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2500 * pa.c (last_address): Change to unsigned.
2501 (update_total_code_bytes): Change argument to unsigned. Don't
2502 check if insn addresses are set.
2503 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2504 addresses are not set.
2505 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2507 2009-01-09 Nick Clifton <nickc@redhat.com>
2509 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2510 DECL_DECLARED_INLINE_P.
2512 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2515 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2516 GET_MODE (op0) in operand_subword_force calls.
2519 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2520 fold_convert arg0 operands to TREE_TYPE (op0) first.
2522 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2524 * params.def (ira-max-conflict-table-size): Decrease default value
2527 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2529 PR tree-optimization/37031
2530 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2532 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2533 allocate it using gc instead of heap, use VEC_quick_push instead of
2535 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2536 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2537 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2538 allocated vector from heap allocated.
2539 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2540 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2541 vector only after perfect_loop_nest_depth call.
2543 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2544 Jan Sjodin <jan.sjodin@amd.com>
2546 PR tree-optimization/38559
2547 * graphite.c (debug_value, copy_constraint,
2548 swap_constraint_variables, scale_constraint_variable, ): New.
2549 (get_lower_bound, get_upper_bound): Removed.
2550 (graphite_trans_bb_strip_mine): Clean up this code that works
2551 only for constant number of iterations. Fully copy upper and
2552 lower bound constraints, not only the constant part of them.
2553 * graphite.h (debug_value): Declared.
2555 2009-01-08 Ira Rosen <irar@il.ibm.com>
2557 PR tree-optimization/37194
2558 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2559 Don't add the cost of cost model guard in prologue to scalar
2560 outside cost in case of known number of iterations.
2562 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2563 Alan Modra <amodra@bigpond.net.au>
2565 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2566 non-word-aligned REG+CONST addressing.
2568 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2571 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2572 free_after_compilation when outputting a thunk.
2573 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2574 Do not call free_after_compilation here.
2576 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2578 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2579 (ix86_valid_target_attribute_inner_p): Ditto.
2581 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2583 PR tree-optimization/38492
2584 PR tree-optimization/38498
2585 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2586 * tree-chrec.h (scev_is_linear_expression): Declared.
2587 * graphite.c (graphite_cannot_represent_loop_niter): New.
2588 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2589 (graphite_loop_normal_form): Use gcc_assert.
2590 (scan_tree_for_params): Use CASE_CONVERT.
2591 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2592 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2593 Use gcc_assert. Discard scops that contain unhandled cases.
2594 (build_scop_conditions): Return a boolean status for unhandled cases.
2595 (strip_mine_profitable_p): Print the loop number, not its depth.
2596 (is_interchange_valid): Pass the depth of the loop nest, don't
2597 recompute it wrongly.
2598 (graphite_trans_bb_block): Same.
2599 (graphite_trans_bb_block): Print tentative of loop blocking.
2600 (graphite_trans_scop_block): Do not print that the loop has been
2602 (graphite_transform_loops): Do not handle scops that contain condition
2605 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2607 AVX Programming Reference (December, 2008)
2608 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2609 (_mm256_stream_pd): Likewise.
2610 (_mm256_stream_ps): Likewise.
2612 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2613 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2614 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2615 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2616 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2617 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2618 (ix86_expand_special_args_builtin): Likewise.
2620 * config/i386/sse.md (AVXMODEDI): New.
2621 (avx_movnt<mode>): Likewise.
2622 (avx_movnt<mode>): Likewise.
2623 (<sse>_movnt<mode>): Remove AVX support.
2624 (sse2_movntv2di): Likewise.
2626 2009-01-07 Richard Guenther <rguenther@suse.de>
2629 * fold-const.c (extract_muldiv): Remove obsolete comment.
2630 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2631 to PLUS_EXPR canonicalization for the canonicalization.
2633 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2635 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2636 hosted cross-compilers generating less efficient code.
2638 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2640 * function.h (rtl_data): Add a dbr_scheduled_p field.
2641 * reorg.c (dbr_schedule): Set it.
2642 (gate_handle_delay_slots): Check it.
2643 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2644 (mips_reorg): Check flag_delayed_branch instead of
2645 mips_base_delayed_branch.
2646 (mips_override_options): Don't set mips_base_delayed_branch
2647 or flag_delayed_branch.
2649 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2651 PR rtl-optimization/38426.
2652 * ira.c (ira): Set current_function_is_leaf earlier.
2654 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2656 PR rtl-optimization/38722
2657 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2658 too early, only set a flag and modify after last possible
2661 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2664 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2665 * real.c (decimal_single_format): Correct values of emin and emax.
2666 (decimal_double_format): Ditto.
2667 (decimal_quad_format): Ditto.
2668 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2669 computation of DECnn_MIN and DECnn_MAX for corrected values of
2670 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2671 __DECnn_MIN__, and adjust its computation for the corrected value
2674 2009-01-06 Jan Hubicka <jh@suse.cz>
2677 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2679 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2681 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2682 Add Robert Clark to the list of testers.
2684 2009-01-06 Jan Hubicka <jh@suse.cz>
2685 Kai Tietz <kai.tietz@onevision.com>
2687 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2688 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2690 2009-01-06 Jan Hubicka <jh@suse.cz>
2691 Kai Tietz <kai.tietz@onevision.com>
2693 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2695 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2696 (ix86_nsaved_regs): Count only general purpose regs.
2697 (ix86_nsaved_sseregs): New.
2698 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2699 to 16 for w64; compute padding and size of sse reg save area.
2700 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2701 general purpose regs.
2702 (ix86_emit_save_sse_regs_using_mov): New.
2703 (ix86_expand_prologue): Save SSE regs if needed.
2704 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2705 (ix86_emit_restore_sse_regs_using_mov): New.
2706 (ix86_expand_epilogue): Save SSE regs if needed.
2708 2009-01-06 Jan Hubicka <jh@suse.cz>
2709 Kai Tietz <kai.tietz@onevision.com>
2711 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2712 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2713 functions when accumulate outgoing args is off.
2715 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2718 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2719 before using pseudos_have_intersected_live_ranges_p.
2721 * ira-int.h (ira_assert): Always define.
2723 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2725 AVX Programming Reference (December, 2008)
2726 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2727 (_mm256_permute2_pd): Likewise.
2728 (_mm_permute2_ps): Likewise.
2729 (_mm256_permute2_ps): Likewise.
2730 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2731 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2733 * config/i386/i386.c (ix86_builtins): Remove
2734 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2735 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2736 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2737 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2738 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2739 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2740 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2741 __builtin_ia32_vpermil2ps256.
2742 (ix86_init_mmx_sse_builtins): Updated.
2743 (ix86_expand_args_builtin): Likewise.
2745 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2747 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2748 long absolute calls when generating PA 2.0 code.
2750 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2752 PR rtl-optimization/38583
2753 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2755 * params.def (ira-max-conflict-table-size): New.
2757 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2759 * ira.h (ira_conflicts_p): New external definition.
2761 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2762 table. Report this. Return result of building.
2763 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2764 building conflict table.
2766 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2767 (ira_color): Use ira_conflicts_p.
2769 * global.c: Include ira.h.
2770 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2773 * Makefile.in (global.o): Add ira.h.
2775 * ira-build.c (mark_all_loops_for_removal,
2776 propagate_some_info_from_allocno): New.
2777 (remove_unnecessary_allocnos): Call
2778 propagate_some_info_from_allocno.
2779 (remove_low_level_allocnos): New.
2780 (remove_unnecessary_regions): Add parameter. Call
2781 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2782 parameter to remove_unnecessary_regions.
2783 (ira_build): Remove all regions but root if the conflict table was
2784 not built. Update conflict hard regs for allocnos crossing calls.
2786 * ira.c (ira_conflicts_p): New global.
2787 (ira): Define and use ira_conflicts_p.
2789 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2790 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2791 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2793 2009-01-06 Ben Elliston <bje@au.ibm.com>
2795 * gengtype-lex.l (YY_NO_INPUT): Define.
2797 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2800 * c-common.c (handle_vector_size_attribute): Also reject
2803 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2805 PR tree-optimization/38492
2806 * graphite.c (rename_map_elt, debug_rename_elt,
2807 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2808 rename_map_elt_info, eq_rename_map_elts,
2809 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2810 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2811 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2812 (sese_build_livein_liveouts): New.
2813 (new_sese, free_sese): New.
2814 (new_scop): Call new_sese.
2815 (free_scop): Call free_sese.
2816 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2817 (register_old_new_names): Renamed register_old_and_new_names.
2818 (register_scop_liveout_renames, add_loop_exit_phis,
2819 insert_loop_close_phis, struct igp,
2820 default_liveout_before_guard, add_guard_exit_phis,
2821 insert_guard_phis, copy_renames): New.
2822 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2823 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2824 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2825 (scop_adjust_phis_for_liveouts): New.
2826 (gloog): Call scop_adjust_phis_for_liveouts.
2828 * graphite.h (struct sese): Documented. Added fields liveout,
2830 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2831 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2832 (struct scop): Added field liveout_renames.
2833 (SCOP_LIVEOUT_RENAMES): New.
2835 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2837 PR tree-optimization/38510
2838 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2839 (translate_clast): Call recompute_all_dominators before
2841 (gloog): Call recompute_all_dominators before graphite_verify.
2843 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2844 Jan Sjodin <jan.sjodin@amd.com>
2846 PR tree-optimization/38500
2847 * graphite.c (create_sese_edges): Call fix_loop_structure after
2850 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2852 * config.gcc: Add m32r*-*-rtems*.
2853 * config/m32r/rtems.h: New file.
2855 2009-01-05 Ben Elliston <bje@au.ibm.com>
2857 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2858 (.po.pox): Likewise.
2859 (po/gcc.pot): Likewise.
2861 2009-01-04 David S. Miller <davem@davemloft.net>
2863 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2864 (STARTING_FRAME_OFFSET): Always set to zero.
2866 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2868 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2869 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2870 fixed-point types, and vectors of the same.
2872 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2874 * config/mips/sync.md (*mb_barrier): Rename to...
2875 (*memory_barrier): ...this.
2877 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2879 * doc/extend.texi (Function Attributes): Move @cindex after @item
2880 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2881 and put in alphabetical order. Fix 'target' name and put in order.
2882 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2885 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2887 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2888 (memory_barrier): Expand as unspec instead of unspec_volatile.
2889 Remove mem:BLK from insn operands. Use Pmode scratch register.
2890 (*memory_barrier): Define as unspec instead of unspec_volatile.
2891 Use (match_dup 0) as input operand.
2893 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2894 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2895 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2896 scratch register. Remove operand 1.
2897 (*stbar): Define as unspec instead of unspec_volatile.
2898 Use (match_dup 0) as input operand, remove (const_int 8).
2899 (*membar): Define as unspec instead of unspec_volatile.
2900 Use (match_dup 0) as input operand, remove input operand 2.
2902 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2903 (memory_barrier): Expand as unspec instead of unspec_volatile.
2904 Remove mem:BLK from insn operands. Use Pmode scratch register.
2905 (*memory_barrier): Define as unspec instead of unspec_volatile.
2906 Use (match_dup 0) as input operand.
2908 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2909 Remove mem:BLK from insn operands. Use Pmode scratch register.
2910 Set volatile flag on operand 0.
2911 (*memory_barrier): New insn pattern.
2913 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2915 (*memory_barrier): Use (match_dup 0) as input operand.
2917 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2918 Remove mem:BLK from insn operands. Use Pmode scratch register.
2919 Set volatile flag on operand 0.
2920 (*mb_internal): New insn pattern.
2922 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2924 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2927 * function.c (struct temp_slot): Move to the section of the file
2928 that deals with temp slots. Remove field 'address'.
2929 (temp_slot_address_table): New hash table of address -> temp slot.
2930 (struct temp_slot_address_entry): New struct, items for the table.
2931 (temp_slot_address_compute_hash, temp_slot_address_hash,
2932 temp_slot_address_eq, insert_temp_slot_address): Support functions
2934 (find_temp_slot_from_address): Rewrite to use the new hash table.
2935 (remove_unused_temp_slot_addresses): Remove addresses of temp
2936 slots that have been made available.
2937 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2938 worker function for remove_unused_temp_slot_addresses.
2939 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2940 Add the temp slot address to the address -> temp slot map.
2941 (update_temp_slot_address): Update via insert_temp_slot_address.
2942 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2943 (pop_temp_slots): Likewise.
2944 (init_temp_slots): Allocate the address -> temp slot map, or empty
2945 the map if it is already allocated.
2946 (prepare_function_start): Initialize temp slot processing.
2948 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2951 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2952 Calculate the size of all stack vars assuming no packing of stack
2953 vars will happen, replacing a quadratic algorithm with a linear one.
2955 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2958 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2961 2009-01-03 Diego Novillo <dnovillo@google.com>
2963 * doc/contrib.texi: Update contributions.
2965 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2968 * builtins.c (fold_builtin_memory_op): Give up if either operand
2969 is volatile. Set srctype or desttype to non-qualified version
2973 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2976 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2978 PR rtl-optimization/35805
2979 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2980 problem if fast dce is able to remove any instructions.
2981 * dce.c (dce_process_block): Fix dump message.
2983 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2986 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2988 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2991 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2992 * tree-pretty-print.c (op_code_prio): New function.
2993 (op_prio): No longer static. Use op_code_prio.
2994 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2995 Use op_prio and op_code_prio to determine if () should be
2996 printed around operand(s) or not.
2998 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2999 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3000 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3001 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3002 pp_character instead of pp_string for single letter printing.
3004 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3006 * doc/extend.texi: Fix '#pragma GCC option' typo.
3008 2009-01-02 Richard Guenther <rguenther@suse.de>
3010 * doc/install.texi (--enable-checking): Mention different
3012 (--enable-stage1-checking): Document.
3014 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3017 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3018 case to be an error.
3020 2009-01-02 Ben Elliston <bje@au.ibm.com>
3022 * config/fp-bit.h (pack_d): Constify argument.
3023 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3024 (isnan): Constify argument.
3028 (_fpadd_parts): Constify return type.
3029 (_fpmul_parts): Likewise.
3030 (_fpdiv_parts): Likewise.
3032 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3035 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3036 warn about overwriting initializer with side-effects or
3037 -Woverride-init if !IMPLICIT.
3038 (output_init_element): Likewise. Pass IMPLICIT down to
3040 (process_init_element): Add IMPLICIT argument. Pass it down
3041 to output_init_element.
3042 (push_init_element, pop_init_level, set_designator): Adjust
3043 process_init_element callers.
3044 (set_nonincremental_init, set_nonincremental_init_from_string):
3045 Adjust add_pending_init callers.
3046 (output_pending_init_elements): Adjust output_init_element callers.
3047 * c-tree.h (process_init_element): Adjust prototype.
3048 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3049 process_init_element callers.