1 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
6 * config/i386/sync.md (sync_compare_and_swap<mode>,
7 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10 (sync_double_compare_and_swapdi_pic,
11 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
12 cmpxchg8b_pic_memory_operand instead of just memory_operand.
14 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
17 * config/i386/i386.c (ix86_expand_push): Don't set memory
20 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
23 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
24 (avx_addsubv4df3): Likewise.
25 (*avx_addsubv4sf3): Likewise.
26 (sse3_addsubv4sf3): Likewise.
28 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
31 * config/i386/i386.md: Compare REGNO on the new peephole2
34 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
37 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
38 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
39 registers for allocnos created from user-defined variables.
41 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
44 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
45 of non-integer mode as well.
47 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
49 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
50 for functions for which the parameter types are unknown.
52 2009-03-11 Jakub Jelinek <jakub@redhat.com>
55 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
57 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
58 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
59 * config/i386/i386.c (ix86_local_alignment): For
60 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
61 long long variables on the stack to avoid dynamic realignment.
62 Allow the first argument to be a decl rather than type.
63 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
65 2009-03-11 Nick Clifton <nickc@redhat.com>
68 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
70 Add description to mno-lsim option.
71 * config/mcore/mcore.h: Remove comment about deprecated m4align
73 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
74 * doc/invoke.texi: Add description of mno-lsim and
75 mstack-increment options.
77 * config/fr30/fr30.opt: Document the -mno-lsim option.
78 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
79 and -mno-lsim options.
81 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
83 * fold-const.c (fold_comparison): Only call fold_inf_compare
84 if the mode supports infinities.
86 2009-03-11 Jason Merrill <jason@redhat.com>
89 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
90 end already did. Notice GIMPLE_CALL modifications of the result.
91 Don't copy debug information from an ignored decl or a decl from
94 2009-03-10 Richard Guenther <rguenther@suse.de>
95 Nathan Froyd <froydnj@codesourcery.com>
98 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
100 (__divMODE3): Likewise.
102 2009-03-09 Jakub Jelinek <jakub@redhat.com>
104 PR tree-optimization/39394
105 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
106 DECL_SIZE_UNIT of variable length FIELD_DECLs.
108 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
110 * recog.c (verfiy_changes): Disallow renaming of hard regs in
111 inline asms for register asm ("") declarations.
113 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
115 * fold-const.c (fold_unary): Fix comment.
117 2009-03-07 Jan Hubicka <jh@suse.cz>
120 * tree-inline.c (setup_one_parameter): Do replacement of const argument
121 by constant in SSA form.
123 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
126 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
127 determine alignment passed to assign_stack_local.
128 (assign_parms_unsplit_complex): Likewise.
129 * except.c (sjlj_build_landing_pads): Likewise.
131 2009-03-06 Jakub Jelinek <jakub@redhat.com>
134 * tree-flow.h (add_referenced_var): Return bool instead of void.
135 * tree-dfa.c (add_referenced_var): Return result of
136 referenced_var_check_and_insert call.
137 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
138 of referenced_var_check_and_insert.
141 * dwarf2out.c (add_abstract_origin_attribute): Return
143 (gen_variable_die): Emit DW_AT_location on abstract static variable's
144 DIE, don't emit it if abstract origin already has it.
145 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
146 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
148 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
150 * genpreds.c: (needs_variable): Fix parentheses at variable name
152 (write_tm_constrs_h): Indent generated code.
154 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
156 * doc/extend.texi (Function Attributes): Add documentation
159 2009-03-06 Jakub Jelinek <jakub@redhat.com>
162 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
163 take locus from its DECL_SOURCE_LOCATION instead of input_location.
165 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
167 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
170 2009-03-05 Jakub Jelinek <jakub@redhat.com>
173 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
174 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
176 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
178 * config/i386/i386.md (R8_REG, R9_REG): New constants.
179 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
180 constants instead of magic numbers.
181 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
183 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
184 (x86_64_ms_abi_int_parameter_registers): Ditto.
185 (x86_64_int_return_registers): Ditto.
186 (ix86_maybe_switch_abi): Ditto.
187 (ix86_expand_call): Ditto for clobbered_registers array.
188 (ix86_hard_regno_mode_ok): Ditto.
189 (x86_extended_QIreg_mentioned_p): Ditto.
191 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
193 PR tree-optimization/39349
194 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
196 * combine.c (gen_lowpart_for_combine): Use omode when generating
199 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
201 PR rtl-optimization/39235
202 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
204 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
206 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
208 2009-03-04 Richard Guenther <rguenther@suse.de>
210 PR tree-optimization/39362
211 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
212 that occur in abnormal PHIs should be varying.
214 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
216 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
218 (simple_iv): Take loop as an argument instead of statement.
219 * tree-scalar-evolution.h (simple_iv): Declaration changed.
220 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
222 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
224 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
225 * matrix-reorg.c (analyze_transpose): Ditto.
226 * tree-data-ref.c (dr_analyze_innermost): Ditto.
227 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
228 * tree-predcom.c (ref_at_iteration): Ditto.
229 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
231 2009-03-04 Richard Guenther <rguenther@suse.de>
233 PR tree-optimization/39358
234 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
235 escaped_id and callused_id.
236 (solve_graph): Likewise.
238 2009-03-04 Richard Guenther <rguenther@suse.de>
240 PR tree-optimization/39339
241 * tree-sra.c (try_instantiate_multiple_fields): Make it
242 no longer ICE on the above.
244 2009-03-03 Joseph Myers <joseph@codesourcery.com>
246 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
247 that fits within Pmode.
249 2009-03-03 Steve Ellcey <sje@cup.hp.com>
252 * tm.texi (LIBCALL_VALUE): Update description.
254 2009-03-03 Steve Ellcey <sje@cup.hp.com>
257 * doc/extend.texi (section): Update description.
259 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
262 * tree-inline.c (remapped_type): New.
263 (can_be_nonlocal): Call remapped_type instead of remap_type.
265 2009-03-03 Jakub Jelinek <jakub@redhat.com>
268 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
269 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
271 2009-03-03 Richard Guenther <rguenther@suse.de>
274 * tree.c (tree_nonartificial_location): New function.
275 * tree.h (tree_nonartificial_location): Declare.
276 * builtins.c (expand_builtin_memory_chk): Provide location
277 of the call location for artificial function pieces.
278 (maybe_emit_chk_warning): Likewise.
279 (maybe_emit_sprintf_chk_warning): Likewise.
280 (maybe_emit_free_warning): Likewise.
281 * expr.c (expand_expr_real_1): Likewise.
283 2009-03-03 Jakub Jelinek <jakub@redhat.com>
285 PR tree-optimization/39343
286 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
287 COMPONENT_REF t has ARRAY_TYPE.
289 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
292 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
293 when the type precision of the induction variable should be
294 larger than the type precision of nit.
295 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
296 * graphite.c (graphite_loop_normal_form): Same.
297 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
299 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
301 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
302 (*call_1_rex64_ms_sysv): Use named constants instead of magic
303 numbers to describe clobbered registers.
304 (*call_value_0_rex64_ms_sysv): Ditto.
305 * config/i386/mmx.md (mmx_emms): Ditto.
308 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
310 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
313 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
315 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
316 (spu_section_type_flags): New function.
318 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
320 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
321 reg_class_contents of FLOAT_REGS into a temporary.
323 2009-03-02 Richard Guenther <rguenther@suse.de>
324 Ira Rosen <irar@il.ibm.com>
326 PR tree-optimization/39318
327 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
328 information to the vectorized statement.
330 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
332 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
333 variable. Use defined names instead of magic constants for REX SSE
336 2009-03-01 Richard Guenther <rguenther@suse.de>
338 PR tree-optimization/39331
339 * omp-low.c (lower_send_shared_vars): Do not receive new
340 values for the reference of DECL_BY_REFERENCE parms or results.
342 2009-03-01 Jan Hubicka <jh@suse.cz>
345 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
346 BLOCK_NONLOCALIZED_VAR): New macros.
347 (tree_block): Add nonlocalized_vars.
348 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
349 gen_decl_die): Add origin argument. Allow generation of die with
351 (gen_member_die, gen_type_die_with_usage, force_decl_die,
352 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
354 (gen_block_die): Fix checking for unused blocks.
355 (process_scope_var): Break out from .... ; work with origins only.
356 (decls_for_scope) ... here; process nonlocalized list.
357 (dwarf2out_ignore_block): Look for nonlocalized vars.
358 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
360 (dump_scope_block): Dump them.
361 * tree-inline.c (remap_decls): Handle nonlocalized vars.
362 (remap_block): Likewise.
363 (can_be_nonlocal): New predicate.
364 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
366 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
368 * configure: Regenerate.
370 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
372 * optc-gen.awk: No need to duplicate option flags twice.
373 Reuse help texts for duplicate options which do not have
376 * gcc.c (display_help): Document --version.
378 * gcc.c (main): If print_help_list and verbose_flag, ensure
379 driver output comes before subprocess output.
381 * optc-gen.awk: Assign all remaining fields to help string,
382 space-separated, for multi-line help in *.opt.
384 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
385 -Wno-pedantic-ms-format is for MinGW targets only.
387 * doc/options.texi (Option file format): Fix bad indentation,
388 restoring dropped sentence.
390 2009-02-28 Jan Hubicka <jh@suse.cz>
392 * tree-inline.c (tree_function_versioning): Output debug info.
394 2009-02-28 Jan Hubicka <jh@suse.cz>
397 * tree-inline.c (setup_one_parameter): Do not copy propagate
398 arguments when not optimizing.
400 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
403 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
404 (avx_addsubv4df3): Likewise.
405 (*avx_addsubv4sf3): Likewise.
406 (sse3_addsubv4sf3): Likewise.
407 (*avx_addsubv2df3): Likewise.
408 (sse3_addsubv2df3): Likewise.
409 (avx_unpckhps256): Correct item selectors.
410 (avx_unpcklps256): Likewise.
411 (avx_unpckhpd256): Likewise.
412 (avx_unpcklpd256): Likewise.
414 2009-02-28 Jan Hubicka <jh@suse.cz>
416 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
418 (copy_arguments_for_versioning): If var is declared don't declare it.
419 (tree_function_versioning): First setup substitutions and then copy
422 2009-02-27 Jan Hubicka <jh@suse.cz>
425 * cgraph.h (varpool_output_debug_info): Remove.
426 * cgraphunit.c (varpool_output_debug_info): Remove.
427 * dwarf2out.c (deferred_locations_struct): New struct
428 (deferred_locations): New type.
429 (deferred_locations_list): New static var.
430 (deffer_location): New function.
431 (gen_variable_die): Use it.
432 (decls_for_scope): Output info on local static vars.
433 (dwarf2out_finish): Process deferred locations.
434 * varpool.c (varpool_output_debug_info): Remove.
436 2009-02-27 Jan Hubicka <jh@suse.cz>
439 * tree.h (TREE_PROTECTED): Fix comment.
440 (BLOCK_HANDLER_BLOCK): Remove.
441 (struct tree_block): Remove handler_block add body_block.
442 (inlined_function_outer_scope_p): New.
443 (is_body_block): Remove.
444 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
445 * dwarf2out.c (is_inlined_entry_point): Remove.
446 (add_high_low_attributes): Use inlined_function_outer_scope_p.
447 (gen_block_die): Use is_inlined_entry_point check. Remove body block
449 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
450 * gimplify.c (gimplify_expr): Gimplify body blocks.
451 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
452 block with multiple subblocks.
453 (dump_scope_block): Prettier output; dump more flags and info.
454 (dump_scope_blocks): New.
455 (remove_unused_locals): Use dump_scope_blocks.
456 * tree-flow.h (dump_scope_blocks): Declare.
457 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
458 * stmt.c (is_body_block): Remove.
459 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
460 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
462 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
465 * graphite.c (graphite_loop_normal_form): Do not call
466 number_of_iterations_exit from a gcc_assert.
468 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
470 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
471 jumps if COND is NULL.
472 (find_cond_jump): New function.
473 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
474 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
476 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
478 * config/alpha/alpha.h (alpha_expand_mov): Return false if
479 force_const_mem returns NULL_RTX.
481 2009-02-26 Jan Hubicka <jh@suse.cz>
484 * cgraph.h (varpool_output_debug_info): Remove.
485 * cgraphunit.c (varpool_output_debug_info): Remove.
486 * dwarf2out.c (deferred_locations_struct): New struct
487 (deferred_locations): New type.
488 (deferred_locations_list): New static var.
489 (deffer_location): New function.
490 (gen_variable_die): Use it.
491 (decls_for_scope): Output info on local static vars.
492 (dwarf2out_finish): Process deferred locations.
493 * varpool.c (varpool_output_debug_info): Remove.
495 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
497 PR rtl-optimization/39241
498 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
499 to subreg_offset_representable_p.
501 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
503 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
504 execute function prototype. Get f and nregs from max_reg_num
505 and get_insns. Remove the first backward pass as it's dead,
506 guard the forward pass by flag_expensive_optimizations.
507 (rest_of_handle_regmove): Delete.
508 (pass_regmove): Replace it with regmove_optimize.
510 2009-02-25 Martin Jambor <mjambor@suse.cz>
512 PR tree-optimization/39259
513 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
514 calls_alloca function flags.
515 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
518 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
520 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
521 flags_set_1_rtx, flags_set_1_set): Delete.
522 (regmove_optimize): Do not call mark_flags_life_zones.
524 2009-02-24 Julian Brown <julian@codesourcery.com>
527 * config/arm/arm.c (require_pic_register): Only set
528 cfun->machine->pic_reg once per function.
530 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
532 * doc/invoke.texi (Link Options): Document an easier way to pass
533 options that take arguments to the GNU linker using -Xlinker and -Wl.
535 2009-02-24 Steve Ellcey <sje@cup.hp.com>
538 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
540 2009-02-24 Richard Guenther <rguenther@suse.de>
543 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
545 2009-02-24 Richard Guenther <rguenther@suse.de>
546 Zdenek Dvorak <ook@ucw.cz>
548 PR tree-optimization/39233
549 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
550 from converting them to a generic type.
552 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
554 PR tree-optimization/39260
555 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
556 contains a condition with a real type.
557 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
559 2009-02-23 Jason Merrill <jason@redhat.com>
562 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
563 narrowing_initializer_constant_valid_p.
564 (narrowing_initializer_constant_valid_p): Don't return
565 null_pointer_node for adding a pointer to itself.
567 2009-02-23 Jan Hubicka <jh@suse.cz>
570 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
573 2009-02-23 Jan Hubicka <jh@suse.cz>
575 PR tree-optimization/37709
576 * tree.c (block_ultimate_origin): Move here from dwarf2out.
577 * tree.h (block_ultimate_origin): Declare.
578 * dwarf2out.c (block_ultimate_origin): Move to tree.c
579 * tree-ssa-live.c (remove_unused_scope_block_p):
580 Eliminate blocks containig no instructions nor live variables nor
582 (dump_scope_block): New function.
583 (remove_unused_locals): Enable removal of dead blocks by default;
584 enable dumping at TDF_DETAILS.
586 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
588 * config/i386/i386.c (classify_argument): Don't allow COImode
590 (function_arg_advance_32): Don't allow OImode.
591 (function_arg_32): Likewise.
592 (function_value_32): Likewise.
593 (return_in_memory_32): Likewise.
594 (function_arg_64): Remove OImode comment.
596 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
599 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
600 ix86_expand_vector_set for V4DImode in 64bit mode only.
601 (ix86_expand_vector_init_one_var): Likewise.
603 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
605 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
607 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
610 * loop-iv.c: Revert last change.
611 * emit-rtl.c: Likewise.
613 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
616 * config/i386/i386.c (type_natural_mode): Remove an extra
617 space in the warning message.
618 (function_value_32): Handle 32-byte vector modes.
619 (return_in_memory_32): Likewise.
621 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
623 * loop-iv.c (truncate_value): New function.
624 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
626 (lowpart_subreg): Move to...
627 * emit-rtl.c: ...here.
629 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
631 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
632 accidental and undocumented change at revision 140860.
634 2009-02-21 Joseph Myers <joseph@codesourcery.com>
636 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
637 take gimple_seq * arguments.
638 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
639 types_compatible_p langhook.
641 2009-02-20 Mark Mitchell <mark@codesourcery.com>
642 Joseph Myers <joseph@codesourcery.com>
644 * config/arm/arm.c (arm_builtin_va_list): New function.
645 (arm_expand_builtin_va_start): Likewise.
646 (arm_gimplify_va_arg_expr): Likewise.
647 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
648 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
649 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
650 (va_list_type): New variable.
651 (arm_mangle_type): Mangle va_list_type appropriately.
653 2009-02-20 Jakub Jelinek <jakub@redhat.com>
656 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
657 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
658 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
659 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
660 parameter to 1000 for -O1 by default.
661 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
663 * loop-invariant.c: Include params.h.
664 (move_loop_invariants): Don't call move_single_loop_invariants on
667 2009-02-20 Jaka Mocnik <jaka@xlab.si>
669 * calls.c (emit_library_call_value_1): Use slot_offset instead of
670 offset when calculating bounds for indexing stack_usage_map. Fixes
671 a buffer overflow with certain target setups.
673 2009-02-20 Jakub Jelinek <jakub@redhat.com>
676 * calls.c (expand_call): Clear try_tail_call if caller and callee
677 disagree in promotion of function return value.
679 2009-02-19 Jakub Jelinek <jakub@redhat.com>
682 * c-common.c (c_determine_visibility): If visibility changed and
683 DECL_RTL has been already set, call make_decl_rtl to update symbol
686 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
689 * varasm.c (assemble_variable): Don't check DECL_NAME when
690 globalizing a variable.
692 2009-02-19 Joseph Myers <joseph@codesourcery.com>
695 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
696 expression before any __builtin_trap call.
697 * c-typeck.c (build_function_call): Convert and check function
698 arguments before generating a call to a trap. Evaluate the
699 function arguments before the trap.
701 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
704 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
705 (UNSPEC_FXAM_MEM): New unspec.
706 (fxam<mode>2_i387_with_temp): New insn and split pattern.
707 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
708 memory using fxam<mode>2_i387_with_temp to remove excess precision.
710 2009-02-19 Richard Guenther <rguenther@suse.de>
712 PR tree-optimization/39207
713 PR tree-optimization/39074
714 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
715 storedanything_tree): New.
716 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
717 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
718 (build_succ_graph): Add edges from STOREDANYTHING to all
720 (init_base_vars): Initialize STOREDANYTHING.
721 (compute_points_to_sets): Free substitution info after
722 building the succ graph.
723 (ipa_pta_execute): Likewise.
725 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
727 (do_ds_constraint): Do not add to special var or non-pointer
729 (type_could_have_pointers): Split out from ...
730 (could_have_pointers): ... here. For arrays use the element type.
731 (create_variable_info_for): Initialize may_have_pointers.
732 (new_var_info): Likewise.
733 (handle_lhs_call): Make the HEAP variable unknown-sized.
734 (intra_create_variable_infos): Use a type with pointers for
735 PARM_NOALIAS, make it unknown-sized.
737 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
740 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
742 2009-02-18 Jason Merrill <jason@redhat.com>
745 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
746 value if DECL_EXTERNAL.
747 * tree-sra.c (sra_walk_gimple_assign): Likewise.
748 * target.h (gcc_target::binds_local_p): Clarify "module".
749 * tree.h (TREE_PUBLIC): Clarify "module".
751 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
754 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
755 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
757 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
760 * c.opt (Wabi): Support C and ObjC.
763 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
765 * config/i386/i386.c (classify_argument): Warn once about the ABI
766 change when passing union with long double.
768 * doc/invoke.texi: Update -Wabi for warning psABI changes.
770 2009-02-18 Joseph Myers <joseph@codesourcery.com>
773 * c-parser.c (c_parser_compound_statement): Always enter and leave
776 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
779 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
781 2009-02-18 Jakub Jelinek <jakub@redhat.com>
783 PR tree-optimization/36922
784 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
785 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
788 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
790 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
793 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
795 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
797 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
799 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
802 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
803 Richard Sandiford <rdsandiford@googlemail.com>
805 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
806 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
807 (loongson_biadd): ...this.
809 2009-02-17 Richard Guenther <rguenther@suse.de>
811 PR tree-optimization/39202
812 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
813 a var make sure to follow existing collapses.
815 2009-02-17 Richard Guenther <rguenther@suse.de>
818 * langhooks.c (lhd_print_error_function): Check for NULL block.
820 2009-02-17 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/39204
823 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
826 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
828 * config/soft-fp/double.h: Update from glibc CVS.
830 2009-02-17 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/39207
833 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
834 strict-aliasing warnings for pointers pointing to NULL.
836 2009-02-16 Joseph Myers <joseph@codesourcery.com>
839 * c-parser.c (c_parser_braced_init): Call pop_init_level when
840 skipping until next close brace.
842 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
845 * config/i386/i386.c (ix86_expand_push): Set memory alignment
846 to function argument boundary.
848 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
850 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
851 in the lea_add. Reload eventually constraints it properly.
852 * config/picochip/constraints.md : Remove the target constraint
853 "b", since it is not needed anymore.
855 2009-02-16 Jakub Jelinek <jakub@redhat.com>
857 * gthr-dce.h: Uglify function parameter and local variable names.
858 * gthr-gnat.h: Likewise.
859 * gthr-mipssde.h: Likewise.
860 * gthr-nks.h: Likewise.
861 * gthr-posix95.h: Likewise.
862 * gthr-posix.h: Likewise.
863 * gthr-rtems.h: Likewise.
864 * gthr-single.h: Likewise.
865 * gthr-solaris.h: Likewise.
866 * gthr-tpf.h: Likewise.
867 * gthr-vxworks.h: Likewise.
868 * gthr-win32.h: Likewise.
870 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
873 * config/i386/i386.md: Restrict the new peephole2 to move
874 between MMX/SSE registers.
876 2009-02-15 Richard Guenther <rguenther@suse.de>
879 2009-02-13 Richard Guenther <rguenther@suse.de>
881 * configure.ac: Enable LFS.
882 * configure: Re-generate.
883 * config.in: Likewise.
885 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
887 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
888 spu_srqwbyte, spu_srqwbytebc): Define.
889 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
890 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
891 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
892 "shrqby_<mode>"): New insn-and-split patterns.
893 * config/spu/spu.c (expand_builtin_args): Determine and return
894 number of operands using spu_builtin_description data.
895 (spu_expand_builtin_1): Use it.
897 2009-02-13 Steve Ellcey <sje@cup.hp.com>
900 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
903 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
906 * config/i386/i386.c (override_options): Correct warning
907 messages for -malign-loops, -malign-jumps and -malign-functions.
909 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
912 * config/i386/i386.md: Restrict the new peephole2 to move
913 between the general purpose registers.
915 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
918 * config/i386/i386.c (type_natural_mode): Add a new argument.
919 Return the original mode and warn ABI change if vector size is 32byte.
920 (function_arg_advance): Updated.
921 (function_arg): Likewise.
922 (ix86_function_value): Likewise.
923 (ix86_return_in_memory): Likewise.
924 (ix86_sol10_return_in_memory): Likewise.
925 (ix86_gimplify_va_arg): Likewise.
926 (function_arg_32): Don't warn ABX ABI change here.
927 (function_arg_64): Likewise.
929 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
931 * loop-iv.c (implies_p): In the final case, test that operands 0
932 of the two comparisons match.
934 * config/bfin/bfin.c (find_prev_insn_start): New function.
935 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
936 (find_next_insn_start): Move.
938 2009-02-13 Richard Guenther <rguenther@suse.de>
940 * configure.ac: Enable LFS.
941 * configure: Re-generate.
942 * config.in: Likewise.
944 2009-02-13 Joseph Myers <joseph@codesourcery.com>
947 * c-parser.c (c_parser_parms_list_declarator): Discard pending
948 sizes on syntax error after some arguments have been parsed.
950 2009-02-12 Jakub Jelinek <jakub@redhat.com>
952 * doc/invoke.texi (-fira): Remove.
954 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
956 * caller-save.c: Replace regclass.c with reginfo.c in comments.
960 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
962 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
963 (umul_ppmm): Likewise.
964 (count_leading_zeros): Likewise.
965 (count_trailing_zeros): Likewise.
966 (UMUL_TIME): Likewise.
968 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
970 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
971 soft-fp/t-softfp to tmake_file.
973 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
974 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
975 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
976 IA64_BUILTIN_INFQ]: New.
977 (ia64_init_builtins): Initialize __builtin_infq,
978 __builtin_fabsq and __builtin_copysignq if not HPUX.
979 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
980 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
982 * config/ia64/lib1funcs.asm (__divtf3): Define only if
984 (__fixtfti): Likewise.
985 (__fixunstfti): Likewise.
986 (__floattitf): Likewise.
988 * config/ia64/libgcc-glibc.ver: New.
989 * config/ia64/t-fprules-softfp: Likewise.
990 * config/ia64/sfp-machine.h: Likewise.
992 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
993 (LIBGCC2_TF_CEXT): Likewise.
995 (TARGET_INIT_LIBFUNCS): Likewise.
997 * config/ia64/t-glibc (SHLINB_MAPFILES):
998 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1000 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1002 * config/i386/i386.c (construct_container): Rewrite processing
1003 BLKmode with X86_64_SSE_CLASS.
1005 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1008 * config/i386/i386.md: Replace simplify_replace_rtx with
1009 replace_rtx in the new peephole2.
1011 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1013 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1014 loop unrolling do not happen at -O2.
1016 2009-02-12 Michael Matz <matz@suse.de>
1018 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1020 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1022 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1025 2009-02-12 Ben Elliston <bje@au.ibm.com>
1027 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1028 patterns when updating the back chain. Missed in the 2009-02-10
1031 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1033 * doc/extend.texi (Decimal Floating Types): Update identifier of
1034 draft TR and list of missing support.
1036 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1039 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1040 bit to variable length decl's flags, add it also to its
1041 pointer replacement variable.
1043 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1044 Jakub Jelinek <jakub@redhat.com>
1047 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1048 (memory_blockage): New expander.
1049 (*memory_blockage): New insn pattern.
1050 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1051 instead of general blockage at the end of function prologue when
1052 frame pointer is used to access red zone area. Do not emit blockage
1053 when profiling, it is emitted in generic code.
1054 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1055 function epilogue when frame pointer is used to access red zone area.
1057 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1060 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1061 by arithmetic with memory operands.
1062 * config/i386/predicates.md (commutative_operator): New.
1064 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1066 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1069 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1071 * alias.h (record_alias_subset): Declare.
1072 * alias.c (record_alias_subset): Make global.
1074 2009-02-10 Nick Clifton <nickc@redhat.com>
1076 * tree-parloops.c: Change license to GPLv3.
1077 * ipa-struct-reorg.c: Change license to GPLv3.
1078 * ipa-struct-reorg.h: Change license to GPLv3.
1080 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1083 * c-decl.c (start_struct): Return NULL on error.
1085 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1088 * cfgloopmanip.c (remove_path): Call remove_bbs after
1089 cancel_loop_tree, not before it.
1092 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1093 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1094 VAR_DECLs were seen.
1095 * tree-ssa-live.c (remove_unused_locals): Recompute
1096 cfun->has_local_explicit_reg_vars.
1097 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1098 copies or clearings if cfun->has_local_explicit_reg_vars.
1100 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1103 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1104 of function prologue when frame pointer is used to access
1107 2009-02-10 Richard Guenther <rguenther@suse.de>
1110 * gimplify.c (gimple_regimplify_operands): Always look if
1111 we need to create a temporary.
1113 2009-02-10 Richard Guenther <rguenther@suse.de>
1115 PR tree-optimization/39132
1116 * tree-loop-distribution.c (todo): New global var.
1117 (generate_memset_zero): Trigger TODO_rebuild_alias.
1118 (tree_loop_distribution): Return todo.
1120 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1123 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1124 (x86_64_reg_class_name): Removed.
1125 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1126 first one isn't X86_64_SSE_CLASS or any other ones aren't
1127 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1128 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1129 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1130 and 3 X86_64_SSEUP_CLASS.
1131 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1132 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1134 2009-02-10 Ben Elliston <bje@au.ibm.com>
1136 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1137 form instruction to update the stack back chain word, even if the
1138 user has disabled the generation of update instructions.
1139 (movdi_<mode>_update_stack): New.
1140 (movsi_update_stack): Likewise.
1141 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1142 always use an update form instruction to update the stack back
1145 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1148 * graphite.c (if_region_set_false_region): After moving a region in
1149 the false branch of a condition, remove the empty dummy basic block.
1150 (gloog): Remove wrong fix for PR38953.
1152 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1154 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1155 generation due to implicit sign extension.
1157 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1160 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1161 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1163 2009-02-09 Richard Guenther <rguenther@suse.de>
1166 * convert.c (convert_to_real): Disable (float)fn((double)x)
1167 to fnf(x) conversion if errno differences may occur and
1168 -fmath-errno is set.
1170 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1172 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1173 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1174 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1176 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1179 * c-common.c (handle_alias_attribute): Disallow attribute for
1180 anything not a FUNCTION_DECL or VAR_DECL.
1182 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1185 * real.c (do_compare): Special-case compare of zero against
1186 decimal float value.
1188 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1191 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1192 as indicating flexible array members unless the field itself is
1193 being declarared as the incomplete array.
1195 2009-02-06 Jan Hubicka <jh@suse.cz>
1197 PR tree-optimization/38844
1198 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1201 2009-02-06 Richard Guenther <rguenther@suse.de>
1204 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1205 fork because we may expand it as __gcov_fork.
1207 2009-02-06 Nick Clifton <nickc@redhat.com>
1209 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1211 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1213 PR tree-optimization/35659
1214 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1215 vn_phi_eq): Shortcut if hashcode does not match.
1216 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1218 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1219 and avoid iterative_hash_expr.
1220 (FOR_EACH_VALUE_ID_IN_SET): New.
1221 (value_id_compare): Remove.
1222 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1223 sort expressions by value id.
1225 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1228 * config/sh/predicates.md (general_movsrc_operand): Don't check
1229 the subreg of system registers here.
1231 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1234 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1237 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1239 PR rtl-optimization/39110
1240 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1241 addresses, not aligned ones.
1243 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1244 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/39100
1247 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1248 comment says and add edges.
1250 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1253 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1254 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1256 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1258 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1259 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1260 register_bb_in_sese, new_sese, free_sese): Moved.
1261 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1262 outermost_loop_in_scop, build_scop_iteration_domain,
1263 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1264 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1265 Use loop_in_sese_p instead of loop_in_scop_p.
1266 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1267 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1268 (scopdet_basic_block_info): Fix bug in scop detection.
1269 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1270 eq_loop_to_cloog_loop): Remove.
1271 (nb_loops_around_loop_in_scop, nb_loop
1272 ref_nb_loops): Moved here...
1273 * graphite.h (ref_nb_loops): ... from here.
1274 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1275 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1276 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1277 * testsuite/gcc.dg/graphite/scop-19.c: New
1279 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1280 Hans-Peter Nilsson <hp@axis.com>
1282 PR rtl-optimization/37889
1283 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1284 Move offset handling from PLUS to before the switch. Use new
1285 arguments when considering SYMBOL_REFs too.
1286 (rtx_addr_can_trap_p): Pass dummy offset and size.
1287 (enum may_trap_p_flags): Remove.
1288 (may_trap_p_1): Pass size from MEM_SIZE.
1290 PR rtl-optimization/38921
1291 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1292 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1293 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1294 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1296 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1298 AVX Programming Reference (January, 2009)
1299 * config/i386/sse.md (*vpclmulqdq): New.
1301 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1303 PR tree-optimization/38977
1304 PR gcov-profile/38292
1305 * calls.c (special_function_p): Disregard __builtin_ prefix.
1307 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1309 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1310 non-indexable addresses even before reload.
1312 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1315 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1316 as having variable size. Do not give an error for unnamed
1317 parameters with [*] declarators. Give a warning for type names
1318 with [*] declarators and mark them as variable size.
1319 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1320 for sizeof applied to [*] type names.
1322 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1325 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1327 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1329 * gcc.c (process_command): Update copyright notice dates.
1330 * gcov.c (print_version): Likewise.
1331 * gcov-dump.c (print_version): Likewise.
1332 * mips-tfile.c (main): Likewise.
1333 * mips-tdump.c (main): Likewise.
1335 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1338 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1339 for composite type involving a zero-length array type.
1341 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1344 * function.c (match_asm_constraints_1): Skip over
1345 initial optional % in the constraint.
1348 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1349 supported, don't accept FIXED_CSTs.
1350 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1351 and _Sat is used without _Fract/_Accum. Set specs->type to
1352 integer_type_node for cts_fract/cts_accum if fixed point is not
1355 2009-02-02 Catherine Moore <clm@codesourcery.com>
1357 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1359 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1361 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1362 (ABI_HAS_64BIT_SYMBOLS): Use it.
1363 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1365 2009-02-02 Paul Brook <paul@codesourcery.com>
1367 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1369 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1372 * recog.h (asm_operand_ok): Add constraints argument.
1373 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1374 recurse on matching constraint.
1375 (check_asm_operands): Pass constraints as 3rd argument to
1376 asm_operand_ok. Don't look up matching constraint here.
1377 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1380 2009-02-02 Ben Elliston <bje@au.ibm.com>
1382 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1383 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1385 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1387 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1388 information. Remove some obsolete information. Reorganize.
1390 * config/pa/fptr.c: Revert license to GPL 2.
1391 * config/pa/milli64.S: Likewise.
1393 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1396 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1397 LIBRARY name in, instead of hard-coding it.
1398 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1399 extra target make frag to tmake_files according to EH model.
1400 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1401 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1402 frags that define makefile variable EH_MODEL appropriately.
1403 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1404 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1405 to "-sjlj" according to type of EH configured.
1406 (LIBGCC_SONAME): Concatenate it to shared library base name.
1407 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1408 to "_sjlj" according to type of EH configured.
1409 (LIBGCC_SONAME): Concatenate it to shared library base name.
1410 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1411 (SHLIB_LINK): Add missing semicolon to if-else construct.
1412 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1413 string value of "pe_dll" command-line option.
1414 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1415 (SHLIB_SONAME): Use it when overriding t-cygming default.
1416 (SHLIB_IMPLIB): Override t-cygming default.
1417 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1418 string value of "pe_dll" command-line option.
1420 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1423 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1424 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1426 2009-01-31 Richard Guenther <rguenther@suse.de>
1428 PR tree-optimization/38937
1429 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1430 computing the transitive closure.
1432 2009-01-30 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/39041
1435 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1436 Propagate variable indices only if the types match for this stmt.
1438 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1441 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1442 inline but never defined.
1444 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1446 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1447 (*insv_h_di_reg_extimm): New insn.
1448 (*insv_l<mode>_reg_extimm): New insn.
1450 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1452 * config/picochip/picochip.c (flag_conserve_stack): set
1453 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1454 fconserve-stack. Reduce call-overhead used by inliner.
1456 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1459 * common.opt (flag_conserve_stack): Initialised to zero.
1461 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1464 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1465 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1468 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1470 * ira-color.c (allocno_reload_assign): Update comments.
1471 * regmove.c (regmove_optimize): Likewise.
1475 2009-01-29 Robert Millan <rmh@aybabtu.com>
1477 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1478 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1479 `MD_UNWIND_SUPPORT'.
1480 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1482 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1484 PR tree-optimization/39007
1485 * tree-loop-distribution.c (generate_builtin): Use
1486 recompute_dominator to compute the immediate dominator of the
1487 basic block just after the loop.
1489 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1491 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1492 (ASM_OUTPUT_DWARF_PCREL): Define.
1494 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1496 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1497 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1498 global. Modify entries about regmove and IRA.
1500 * ra-conflict.c: Remove the file.
1502 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1504 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1505 (pass_regclass_init): Rename to pass_reginfo_init.
1507 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1509 * toplev.h (flag_ira): Remove.
1511 * caller-save.c (setup_save_areas): Remove flag_ira.
1513 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1515 * global.c: Remove the file.
1517 * opts.c: (decode_options): Remove flag_ira.
1519 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1521 * regmove.c: Modify file description.
1522 (find_use_as_address, try_auto_increment): Define them only if
1523 AUTO_INC_DEC is defined.
1524 (replacement_quality, replace_in_call_usage, fixup_match_1,
1525 stable_and_no_regs_but_for_p): Remove.
1526 (reg_set_in_bb): Make it static.
1527 (regmove_optimize): Remove flag_ira and code which worked for
1530 * local-alloc.c: Remove the file.
1532 * common.opt (fira): Remove.
1534 * ira.c: Include except.h.
1535 (eliminable_regset): Move from global.c.
1536 (mark_elimination): Ditto. Remove flag_ira.
1537 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1538 equiv_mem_modified, validate_equiv_mem_from_store,
1539 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1540 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1541 no_equiv, recorded_label_ref): Move from local-alloc.c.
1542 (update_equiv_regs): Ditto. Make it static.
1543 (print_insn_chain, print_insn_chains): Move it from global.c.
1544 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1545 (build_insn_chain): Ditto. Make it static.
1546 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1547 Rename to init_live_subregs.
1548 (gate_ira): Remove flag_ira.
1550 * regclass.c: Rename reginfo.c. Change file description.
1551 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1552 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1553 (init_reg_sets_1): Remove code for evaluation of
1554 reg_class_superclasses and losing_caller_save_reg_set.
1555 (init_regs): Remove init_reg_autoinc.
1556 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1557 ok_for_base_p_nonstrict): Remove.
1558 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1559 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1560 corresponding entries.
1561 (dump_regclass, record_operand_costs, scan_one_insn,
1562 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1563 record_address_regs, auto_inc_dec_reg_p): Remove.
1564 (gt-regclass.h): Rename to gt-reginfo.h.
1566 * rtl.h (dump_global_regs, retry_global_alloc,
1567 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1569 * Makefile.in (RA_H): Remove.
1570 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1571 Rename regclass.o to reginfo.o.
1572 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1574 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1575 (GTFILES): Rename regclass.c to reginfo.c.
1577 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1578 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1580 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1581 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1583 (finish_spills): Ditto. Remove code for !flag_ira.
1585 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1588 * doc/invoke.texi (rtl debug options): Complete rewrite.
1589 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1591 * mode-switching.c (pass_mode_switching): Rename pass from
1592 "mode-sw" to "mode_sw".
1593 * except.c (pass_convert_to_eh_ranges): Rename pass from
1594 "eh-ranges" to "eh_ranges".
1595 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1599 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1600 Alexander Monakov <amonakov@ispras.ru>
1603 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1605 (move_exprs_to_boundary): Change return type and pass through
1606 should_move from move_op. Relax assert. Update usage ...
1607 (schedule_expr_on_boundary): ... here. Use should_move instead of
1609 (move_op_orig_expr_found): Indicate that insn was disconnected from
1611 (code_motion_process_successors): Do not call after_merge_succs
1612 callback if original expression was not found when traversing any of
1614 (code_motion_path_driver): Change return type. Update prototype.
1615 (move_op): Update comment. Add a new parameter (should_move). Update
1616 prototype. Set *should_move based on indication provided by
1617 move_op_orig_expr_found.
1619 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1621 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1622 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1623 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1624 * config/rs6000/rs6000.c (rs6000_override_options): Default
1625 avoid-indexed-addresses on for Power6, off for everything else.
1626 (avoiding_indexed_address_p): New function.
1627 (rs6000_legitimize_address): Use it.
1628 (rs6000_legitimate_address): Likewise.
1629 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1631 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1633 PR tree-optimization/38997
1634 * tree-loop-distribution.c (generate_memset_zero): Use
1635 POINTER_PLUS_EXPR for a pointer addition.
1637 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1639 * config/s390/s390.md (bswap<mode>2): New pattern added.
1641 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1643 * config/s390/s390.md (*tls_load_31): Added type attribute.
1645 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1647 * config/s390/s390.md: Fix a few comments.
1649 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1651 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1652 (*tm<mode>_full): Fixed z10prop attribute.
1653 (*tst<mode>_extimm): Fixed z10prop attribute.
1654 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1655 (*tstqiCCT_cconly): Fixed z10prop attribute.
1656 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1657 (*movsi_larl): Fixed z10prop attribute.
1658 (*movsi_zarch): Fixed z10prop attribute.
1659 (*movsi_eas): Fixed z10prop attribute.
1660 (*movhi): Fixed z10prop attribute.
1661 (*movqi): Fixed z10prop attribute.
1662 (*movstrictqi): Fixed z10prop attribute.
1663 (*mov<mode>): Fixed z10prop attribute.
1664 (*movcc): Fixed z10prop attribute.
1665 (*sethighpartdi_64): Fixed z10prop attribute.
1666 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1667 (*negdi2_sign_cc): Fixed z10prop attribute.
1668 (*negdi2_sign): Fixed z10prop attribute.
1669 (*absdi2_sign_cc): Fixed z10prop attribute.
1670 (*absdi2_sign): Fixed z10prop attribute.
1671 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1672 (*negabsdi2_sign): Fixed z10prop attribute.
1673 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1674 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1675 (doloop_si64): Fixed z10prop attribute.
1676 (doloop_si31): Fixed z10prop attribute.
1677 (doloop_long): Fixed z10prop attribute.
1678 (indirect_jump): Fixed z10prop attribute.
1679 (nop): Fixed z10prop attribute.
1680 (main_base_64): Fixed z10prop attribute.
1681 (reload_base_64): Fixed z10prop attribute.
1683 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1685 PR rtl-optimization/38740
1686 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1688 * config/mips/mips.c (mips_reorg): Likewise.
1690 2009-01-28 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/38926
1693 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1694 with the correct value id to a value.
1695 (do_regular_insertion): Use the value number of edoubleprime
1696 for the value number of the expr.
1699 2008-08-21 Richard Guenther <rguenther@suse.de>
1701 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1702 a PHI ask VN if it is already available.
1703 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1704 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1706 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1709 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1710 set to varying whenever max has TREE_OVERFLOW set, similarly
1711 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1713 2009-01-28 Richard Guenther <rguenther@suse.de>
1716 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1717 uninitialized aggregate uses in call arguments.
1719 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1721 PR tree-optimization/38984
1722 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1723 the nothing_id variable if -fno-delete-null-pointer-checks.
1725 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1728 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1729 (set_got_offset_rex64): Ditto.
1731 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1734 * doc/extend.texi: Improve local variable with asm reg.
1736 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1738 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1739 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1740 was not supplied then set warn_packed_bitfield_compat to the
1742 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1745 2009-01-27 Richard Guenther <rguenther@suse.de>
1747 PR tree-optimization/38503
1748 * cfgexpand.c (expand_gimple_basic_block): Ignore
1749 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1750 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1751 variables that cannot have TBAA applied.
1752 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1755 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1758 * calls.c (initialize_argument_information): Do not wrap complex
1759 arguments in SAVE_EXPR.
1761 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1763 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1764 (INSTALL_LIBGCC): Revert typo commit.
1766 2009-01-26 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/38745
1769 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1770 from special handling.
1772 2009-01-26 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/38745
1775 * tree-ssa.c (execute_update_addresses_taken): Do not include
1776 variables that cannot possibly be a register in not_reg_needs.
1777 Do not clear TREE_ADDRESSABLE on vars that may not become
1779 * tree-ssa.c (update_alias_info_1): Include those in the set
1780 of addressable vars.
1782 2009-01-26 Richard Guenther <rguenther@suse.de>
1785 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1786 * tree-ssa-dse.c: Include langhooks.h
1787 (execute_simple_dse): Remove stores with zero size.
1789 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1792 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1795 2009-01-24 Julian Brown <julian@codesourcery.com>
1797 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1798 config/arm/linux-atomic.c.
1799 * config/arm/linux-atomic.c: New.
1801 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1803 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1804 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1805 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1807 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1810 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1813 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1815 PR tree-optimization/38953
1816 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1817 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1818 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1819 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1822 2009-01-24 Paul Brook <paul@codesourcery.com>
1824 * config/arm/neon.md (neon_type): Move to arm.md.
1825 (neon_mov<VSTRUCT>): Add neon_type attribute.
1826 * config/arm/arm.md (neon_type): Move to here.
1827 (conds): Add "unconditioal" and use as default for NEON insns.
1829 2009-01-24 Ben Elliston <bje@au.ibm.com>
1831 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1832 void *' warning from -Wc++-compat.
1833 * Makefile.in (dominance.o-warn): Remove.
1835 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1837 PR tree-optimization/38932
1838 * fold-const.c (fold_unary_ignore_overflow): New.
1839 * tree.h (fold_unary_ignore_overflow): Declare.
1840 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1841 * tree-ssa-sccvn.c (visit_reference_op_load,
1842 simplify_unary_expression): Likewise.
1844 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1846 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1847 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1848 regardless of their type.
1849 * c-common.c (handle_packed_attribute): Don't ignore packed on
1851 * c.opt (Wpacked-bitfield-compat): New warning option.
1852 * stor-layout.c (place_field): Warn if offset of a field changed.
1853 * doc/extend.texi (packed): Mention the ABI change.
1854 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1855 (Warning Options): Add it to the list.
1857 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1859 * c-opts.c (c_common_post_options): Fix a typo in comments.
1861 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1864 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1865 variables to static.
1866 * doc/invoke.texi (-fmerge-all-constants): Update description.
1868 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1871 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1872 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1874 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1876 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1878 (LOCAL_ALIGNMENT): Similarly.
1880 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1881 Joseph Myers <joseph@codesourcery.com>
1883 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1884 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1885 * config/arm/arm-tune.md: Regenerate.
1886 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1889 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1891 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1892 version number to five.
1894 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1897 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1898 * c-common.c (set_underlying_type): Likewise.
1899 (is_typedef_decl ): Likewise
1901 (set_underlying_type): Likewise.
1902 (is_typedef_type): Likewise.
1904 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1907 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1910 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1913 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1914 (LIBGCC_SPEC): Don't define.
1915 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1917 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1919 PR rtl-optimization/38879
1920 * alias.c (base_alias_check): Unaligned access via AND address can
1921 alias all surrounding object types except those with sizes equal
1922 or wider than the size of unaligned access.
1924 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1927 * c-decl.c: (clone_underlying_type): Move this ...
1928 * c-common.c (set_underlying_type): ... here.
1929 Also, make sure the function properly sets TYPE_STUB_DECL() on
1930 the newly created typedef variant type.
1931 (is_typedef_decl ): New entry point.
1932 * tree.h: Added a new member member_types_needing_access_check to
1933 struct tree_decl_non_common.
1934 (set_underlying_type): New entry point.
1935 (is_typedef_type): Likewise.
1937 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1939 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1940 Check whether two instructions have memory references that
1941 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1942 are helper functions for traversing.
1943 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1944 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1945 not to draw dependency edge for instructions with non-conflicting
1948 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1951 * longlong.h: Update copyright years. Use soft-fp license notice.
1952 Sync __clz_tab declaration with glibc.
1954 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1957 * doc/extend.texi (syscall_linkage): New.
1958 (version_id): Modify.
1960 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1961 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/38747
1964 PR tree-optimization/38748
1965 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1966 conversion if the base address is an indirect reference and the
1967 aliasing sets could cause issues.
1969 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1971 * common.opt (fgraphite, fgraphite-identity): Add comment for
1972 explaining why these options are not documented.
1974 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1976 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1977 gimple_call_lhs is NULL.
1979 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1982 * emit-rtl.c (adjust_address_1): Make sure memref is never
1985 2009-01-20 Ben Elliston <bje@au.ibm.com>
1987 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1988 const qualifier from arg parameter. Remove unnecessary cast to char *.
1989 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1990 const qualifier from arg 2.
1992 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1994 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1996 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1999 * rtl.h (reinit_regs): New prototype.
2000 * regclass.c: Include ira.h.
2002 * Makefile.in (regclass.o): Add ira.h.
2003 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2005 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2008 * c-common.c (handle_aligned_attribute): Use
2009 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2010 default alignment value.
2012 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2014 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2015 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2017 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2018 __BIGGEST_ALIGNMENT__.
2020 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2022 2009-01-18 Richard Guenther <rguenther@suse.de>
2024 PR tree-optimization/38819
2025 * tree-flow.h (operation_could_trap_helper_p): Declare.
2026 * tree-eh.c (operation_could_trap_helper_p): Export.
2027 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2028 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2029 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2030 are about to insert a possibly trapping instruction and fail
2033 2009-01-18 Andreas Schwab <schwab@suse.de>
2035 * doc/install.texi (Configuration): Remove obsolete paragraph
2036 about use of --with-gnu-ld with --with-gnu-as.
2038 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2040 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2041 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2042 Follow spelling conventions.
2044 2009-01-18 Ben Elliston <bje@au.ibm.com>
2046 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2047 C++ warning about implicit conversion from void * to struct
2049 (bitmap_obstack_free): Likewise for bitmap_element *.
2050 * Makefile.in (bitmap.o-warn): Remove.
2052 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2054 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2056 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2057 Tobias Grosser <tobi.grosser@amd.com>
2059 * graphite.c (graphite_trans_scop_block): Do not block single
2062 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2064 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2065 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2066 test with assertion.
2068 2009-01-16 Richard Guenther <rguenther@suse.de>
2070 PR tree-optimization/38835
2072 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2073 and INT + PTR -> (INT)(PTR p+ INT) folding.
2074 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2076 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2079 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2080 the subreg from a lowpart subreg if it is also casting the value.
2082 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2083 Tobias Grosser <tobi.grosser@amd.com>
2085 * graphite.c (compare_prefix_loops): New.
2086 (build_scop_canonical_schedules): Rewritten.
2087 (graphite_transform_loops): Move build_scop_canonical_schedules
2088 after build_scop_iteration_domain.
2090 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2091 Tobias Grosser <tobi.grosser@amd.com>
2093 * graphite.c (add_conditions_to_domain): Add the loops to
2094 the dimension of the iteration domain. Do copy the domain
2095 only when it exists.
2096 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2097 (add_conditions_to_constraints): New.
2098 (can_generate_code_stmt, can_generate_code): Removed.
2099 (gloog): Do not call can_generate_code.
2100 (graphite_transform_loops): Call add_conditions_to_constraints
2101 after building the iteration domain.
2103 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2105 PR tree-optimization/38789
2106 * tree-ssa-threadedge.c
2107 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2108 __builtin_constant_p.
2110 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2112 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2113 examined before deleting them.
2115 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2117 * function.c (aggregate_value_p): Correctly extract the function
2118 type from CALL_EXPR_FN lookup.
2120 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2122 * config/picochip/picochip.c (picochip_override_options): Revert
2123 CFI asm flag disable commited previously.
2125 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2126 Tobias Grosser <tobi.grosser@amd.com>
2127 Jan Sjodin <jan.sjodin@amd.com>
2129 * graphite.c (scan_tree_for_params): On substractions negate
2130 all the coefficients of the term.
2131 (clast_to_gcc_expression_red): New. Handle reduction expressions
2132 of more than two operands.
2133 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2134 (get_vdef_before_scop): Handle also the case of default definitions.
2136 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2138 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2139 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2140 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2142 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2143 Joey Ye <joey.ye@intel.com>
2146 * cfgexpand.c (expand_stack_alignment): Don't update stack
2147 boundary nor check incoming stack boundary here.
2148 (gimple_expand_cfg): Update stack boundary and check incoming
2149 stack boundary here.
2151 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2153 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2155 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2157 PR rtl-optimization/38245
2158 * calls.c (expand_call): Add stack arguments to
2159 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2160 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2161 in regs and partially in memory or BLKmode arguments.
2162 (emit_library_call_value_1): Add stack arguments to
2163 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2164 ACCUMULATE_OUTGOING_ARGS).
2165 * dce.c: Include tm_p.h.
2166 (find_call_stack_args): New function.
2167 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2169 (mark_insn): Call find_call_stack_args for CALL_Ps.
2170 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2171 forwards. Allocate and free arg_stores bitmap if needed, pass it
2172 down to deletable_insn_p, don't mark stores set in arg_stores
2173 bitmap, clear the bitmap at the beginning of each bb.
2174 * Makefile.in (dce.o): Depend on $(TM_P_H).
2176 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2179 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2180 to make sure the insn is a conditional test (bug 22599). Reformat a
2183 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2186 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2187 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2188 (gloog): Do not call cleanup_tree_cfg.
2189 (graphite_transform_loops): Call cleanup_tree_cfg after all
2190 scops have been code generated.
2192 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2193 * doc/gty.texi (Invoking the garbage collector): Added new node
2194 and section documenting ggc_collect.
2196 2009-01-14 Richard Guenther <rguenther@suse.de>
2198 PR tree-optimization/38826
2200 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2201 initialization notes only if we actually emitted a warning.
2202 (intra_create_variable_infos): Add constraints for a result decl
2203 that is passed by hidden reference.
2204 (build_pred_graph): Mark all related variables non-direct on
2207 2009-01-14 Nick Clifton <nickc@redhat.com>
2209 * ira-conflicts.c: Include addresses.h for the definition of
2211 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2212 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2214 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2217 * Makefile.in (ira-lives.o): Add except.h.
2219 * ira-lives.c: Include except.h.
2220 (process_bb_node_lives): Process can_throw_internal.
2222 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2224 PR rtl-optimization/38774
2225 * combine.c (simplify_set): When undoing cc_use change, don't do
2226 PUT_CODE on the newly created comparison, but instead put back the
2229 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2231 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2232 values. Remove duplicate arm8 entry.
2234 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2236 PR tree-optimization/38786
2237 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2238 the SSA_NAME case of expand_scalar_variables_expr.
2239 Set the type of an expression to the type of its assign statement.
2240 (expand_scalar_variables_expr): Also gather the scalar computation
2241 used to index the memory access. Do not pass loop_p.
2242 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2243 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2244 the gimple_stmt_iterator where it inserts new code.
2246 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2247 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2249 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2251 * graphite.h (debug_value): Removed.
2252 * graphite.c (debug_value): Removed.
2254 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2256 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2257 ldrd/strd with two 32-bit instructions.
2259 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2261 * config/arm/arm.c (struct processors): Pass for speed down into
2262 cost helper functions.
2263 (const_ok_for_op): Handle COMPARE and inequality nodes.
2264 (arm_rtx_costs_1): Rewrite.
2265 (arm_size_rtx_costs): Update prototype.
2266 (arm_rtx_costs): Pass speed down to helper functions.
2267 (arm_slowmul_rtx_costs): Rework cost calculations.
2268 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2269 (arm_9e_rtx_costs): Likewise.
2271 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2273 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2274 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2275 (alpha_legitimize_address): Do not split local symbols wider than
2276 UNITS_PER_WORD into HIGH/LO_SUM parts.
2278 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2281 * gcc.c (process_command): Replace call to execvp with calls
2282 to pex_one and exit.
2284 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2287 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2288 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2289 variant for devices with 3-byte PC.
2290 (__tablejump_elpm__) : New.
2292 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2295 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2296 offsetof member-designator, handle it as `[0].'.
2298 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2300 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2301 function when not using named sections on targets with named sections
2302 if branch distance is less than 262132.
2304 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2306 * combine.c (combine_instructions): Recompute
2307 optimize_this_for_speed_p for each BB in the main combine loop.
2309 2009-01-12 Tomas Bily <tbily@suse.cz>
2312 * tree-loop-distribution.c (prop_phis): New function.
2313 (generate_builtin): Call prop_phis.
2314 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2316 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2318 PR tree-optimization/38807
2319 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2320 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2322 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2324 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2325 subreg of op0 to the original op0.
2327 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2329 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2331 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2334 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2335 starting with digits.
2337 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2340 * config/arm/arm.c (arm_is_long_call_p): Don't call
2341 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2343 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2345 * regrename.c (regrename_optimize): Fix dumping.
2346 (find_oldest_value_reg): Preserve REG_POINTER.
2347 (copy_hardreg_forward_1): Likewise.
2349 2009-01-09 Diego Novillo <dnovillo@google.com>
2351 * gimple.h (struct gimple_statement_base) <uid>: Document
2352 the restrictions on its use.
2354 (gimple_set_uid): Tidy.
2356 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2358 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2359 zero guard even if align_bytes != 0 and count is smaller than
2362 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2364 PR rtl-optimization/38495
2365 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2366 (add_range_and_copies_from_move_list): Print all added ranges.
2367 Add ranges to memory optimized destination.
2369 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2373 * config/i386/i386.c (override_options): Reject
2374 -mstringop-strategy=rep_8byte with -m32.
2375 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2376 to 1. Do count comparison against epilogue_size_needed at compile
2377 time even when count_exp was constant forced into register. For
2378 size_needed don't jump to epilogue, instead just avoid aligning
2379 and invoke the body algorithm. If need_zero_guard, add zero guard
2380 even if count is non-zero, but smaller than size_needed + number of
2381 bytes that could be stored for alignment.
2382 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2383 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2384 but smaller than size_needed + number of bytes that could be stored
2385 for alignment. Compare size_needed with epilogue_size_needed instead
2386 of desired_align - align, don't adjust size_needed, pass
2387 epilogue_size_needed to the epilogue expanders.
2390 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2392 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2394 * pa.c (last_address): Change to unsigned.
2395 (update_total_code_bytes): Change argument to unsigned. Don't
2396 check if insn addresses are set.
2397 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2398 addresses are not set.
2399 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2401 2009-01-09 Nick Clifton <nickc@redhat.com>
2403 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2404 DECL_DECLARED_INLINE_P.
2406 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2409 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2410 GET_MODE (op0) in operand_subword_force calls.
2413 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2414 fold_convert arg0 operands to TREE_TYPE (op0) first.
2416 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2418 * params.def (ira-max-conflict-table-size): Decrease default value
2421 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2423 PR tree-optimization/37031
2424 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2426 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2427 allocate it using gc instead of heap, use VEC_quick_push instead of
2429 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2430 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2431 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2432 allocated vector from heap allocated.
2433 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2434 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2435 vector only after perfect_loop_nest_depth call.
2437 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2438 Jan Sjodin <jan.sjodin@amd.com>
2440 PR tree-optimization/38559
2441 * graphite.c (debug_value, copy_constraint,
2442 swap_constraint_variables, scale_constraint_variable, ): New.
2443 (get_lower_bound, get_upper_bound): Removed.
2444 (graphite_trans_bb_strip_mine): Clean up this code that works
2445 only for constant number of iterations. Fully copy upper and
2446 lower bound constraints, not only the constant part of them.
2447 * graphite.h (debug_value): Declared.
2449 2009-01-08 Ira Rosen <irar@il.ibm.com>
2451 PR tree-optimization/37194
2452 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2453 Don't add the cost of cost model guard in prologue to scalar
2454 outside cost in case of known number of iterations.
2456 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2457 Alan Modra <amodra@bigpond.net.au>
2459 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2460 non-word-aligned REG+CONST addressing.
2462 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2465 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2466 free_after_compilation when outputting a thunk.
2467 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2468 Do not call free_after_compilation here.
2470 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2472 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2473 (ix86_valid_target_attribute_inner_p): Ditto.
2475 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2477 PR tree-optimization/38492
2478 PR tree-optimization/38498
2479 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2480 * tree-chrec.h (scev_is_linear_expression): Declared.
2481 * graphite.c (graphite_cannot_represent_loop_niter): New.
2482 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2483 (graphite_loop_normal_form): Use gcc_assert.
2484 (scan_tree_for_params): Use CASE_CONVERT.
2485 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2486 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2487 Use gcc_assert. Discard scops that contain unhandled cases.
2488 (build_scop_conditions): Return a boolean status for unhandled cases.
2489 (strip_mine_profitable_p): Print the loop number, not its depth.
2490 (is_interchange_valid): Pass the depth of the loop nest, don't
2491 recompute it wrongly.
2492 (graphite_trans_bb_block): Same.
2493 (graphite_trans_bb_block): Print tentative of loop blocking.
2494 (graphite_trans_scop_block): Do not print that the loop has been
2496 (graphite_transform_loops): Do not handle scops that contain condition
2499 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2501 AVX Programming Reference (December, 2008)
2502 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2503 (_mm256_stream_pd): Likewise.
2504 (_mm256_stream_ps): Likewise.
2506 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2507 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2508 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2509 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2510 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2511 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2512 (ix86_expand_special_args_builtin): Likewise.
2514 * config/i386/sse.md (AVXMODEDI): New.
2515 (avx_movnt<mode>): Likewise.
2516 (avx_movnt<mode>): Likewise.
2517 (<sse>_movnt<mode>): Remove AVX support.
2518 (sse2_movntv2di): Likewise.
2520 2009-01-07 Richard Guenther <rguenther@suse.de>
2523 * fold-const.c (extract_muldiv): Remove obsolete comment.
2524 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2525 to PLUS_EXPR canonicalization for the canonicalization.
2527 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2529 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2530 hosted cross-compilers generating less efficient code.
2532 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2534 * function.h (rtl_data): Add a dbr_scheduled_p field.
2535 * reorg.c (dbr_schedule): Set it.
2536 (gate_handle_delay_slots): Check it.
2537 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2538 (mips_reorg): Check flag_delayed_branch instead of
2539 mips_base_delayed_branch.
2540 (mips_override_options): Don't set mips_base_delayed_branch
2541 or flag_delayed_branch.
2543 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2545 PR rtl-optimization/38426.
2546 * ira.c (ira): Set current_function_is_leaf earlier.
2548 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2550 PR rtl-optimization/38722
2551 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2552 too early, only set a flag and modify after last possible
2555 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2558 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2559 * real.c (decimal_single_format): Correct values of emin and emax.
2560 (decimal_double_format): Ditto.
2561 (decimal_quad_format): Ditto.
2562 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2563 computation of DECnn_MIN and DECnn_MAX for corrected values of
2564 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2565 __DECnn_MIN__, and adjust its computation for the corrected value
2568 2009-01-06 Jan Hubicka <jh@suse.cz>
2571 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2573 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2575 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2576 Add Robert Clark to the list of testers.
2578 2009-01-06 Jan Hubicka <jh@suse.cz>
2579 Kai Tietz <kai.tietz@onevision.com>
2581 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2582 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2584 2009-01-06 Jan Hubicka <jh@suse.cz>
2585 Kai Tietz <kai.tietz@onevision.com>
2587 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2589 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2590 (ix86_nsaved_regs): Count only general purpose regs.
2591 (ix86_nsaved_sseregs): New.
2592 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2593 to 16 for w64; compute padding and size of sse reg save area.
2594 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2595 general purpose regs.
2596 (ix86_emit_save_sse_regs_using_mov): New.
2597 (ix86_expand_prologue): Save SSE regs if needed.
2598 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2599 (ix86_emit_restore_sse_regs_using_mov): New.
2600 (ix86_expand_epilogue): Save SSE regs if needed.
2602 2009-01-06 Jan Hubicka <jh@suse.cz>
2603 Kai Tietz <kai.tietz@onevision.com>
2605 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2606 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2607 functions when accumulate outgoing args is off.
2609 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2612 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2613 before using pseudos_have_intersected_live_ranges_p.
2615 * ira-int.h (ira_assert): Always define.
2617 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2619 AVX Programming Reference (December, 2008)
2620 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2621 (_mm256_permute2_pd): Likewise.
2622 (_mm_permute2_ps): Likewise.
2623 (_mm256_permute2_ps): Likewise.
2624 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2625 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2627 * config/i386/i386.c (ix86_builtins): Remove
2628 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2629 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2630 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2631 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2632 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2633 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2634 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2635 __builtin_ia32_vpermil2ps256.
2636 (ix86_init_mmx_sse_builtins): Updated.
2637 (ix86_expand_args_builtin): Likewise.
2639 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2641 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2642 long absolute calls when generating PA 2.0 code.
2644 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2646 PR rtl-optimization/38583
2647 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2649 * params.def (ira-max-conflict-table-size): New.
2651 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2653 * ira.h (ira_conflicts_p): New external definition.
2655 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2656 table. Report this. Return result of building.
2657 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2658 building conflict table.
2660 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2661 (ira_color): Use ira_conflicts_p.
2663 * global.c: Include ira.h.
2664 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2667 * Makefile.in (global.o): Add ira.h.
2669 * ira-build.c (mark_all_loops_for_removal,
2670 propagate_some_info_from_allocno): New.
2671 (remove_unnecessary_allocnos): Call
2672 propagate_some_info_from_allocno.
2673 (remove_low_level_allocnos): New.
2674 (remove_unnecessary_regions): Add parameter. Call
2675 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2676 parameter to remove_unnecessary_regions.
2677 (ira_build): Remove all regions but root if the conflict table was
2678 not built. Update conflict hard regs for allocnos crossing calls.
2680 * ira.c (ira_conflicts_p): New global.
2681 (ira): Define and use ira_conflicts_p.
2683 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2684 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2685 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2687 2009-01-06 Ben Elliston <bje@au.ibm.com>
2689 * gengtype-lex.l (YY_NO_INPUT): Define.
2691 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2694 * c-common.c (handle_vector_size_attribute): Also reject
2697 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2699 PR tree-optimization/38492
2700 * graphite.c (rename_map_elt, debug_rename_elt,
2701 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2702 rename_map_elt_info, eq_rename_map_elts,
2703 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2704 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2705 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2706 (sese_build_livein_liveouts): New.
2707 (new_sese, free_sese): New.
2708 (new_scop): Call new_sese.
2709 (free_scop): Call free_sese.
2710 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2711 (register_old_new_names): Renamed register_old_and_new_names.
2712 (register_scop_liveout_renames, add_loop_exit_phis,
2713 insert_loop_close_phis, struct igp,
2714 default_liveout_before_guard, add_guard_exit_phis,
2715 insert_guard_phis, copy_renames): New.
2716 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2717 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2718 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2719 (scop_adjust_phis_for_liveouts): New.
2720 (gloog): Call scop_adjust_phis_for_liveouts.
2722 * graphite.h (struct sese): Documented. Added fields liveout,
2724 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2725 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2726 (struct scop): Added field liveout_renames.
2727 (SCOP_LIVEOUT_RENAMES): New.
2729 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2731 PR tree-optimization/38510
2732 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2733 (translate_clast): Call recompute_all_dominators before
2735 (gloog): Call recompute_all_dominators before graphite_verify.
2737 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2738 Jan Sjodin <jan.sjodin@amd.com>
2740 PR tree-optimization/38500
2741 * graphite.c (create_sese_edges): Call fix_loop_structure after
2744 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2746 * config.gcc: Add m32r*-*-rtems*.
2747 * config/m32r/rtems.h: New file.
2749 2009-01-05 Ben Elliston <bje@au.ibm.com>
2751 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2752 (.po.pox): Likewise.
2753 (po/gcc.pot): Likewise.
2755 2009-01-04 David S. Miller <davem@davemloft.net>
2757 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2758 (STARTING_FRAME_OFFSET): Always set to zero.
2760 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2762 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2763 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2764 fixed-point types, and vectors of the same.
2766 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2768 * config/mips/sync.md (*mb_barrier): Rename to...
2769 (*memory_barrier): ...this.
2771 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2773 * doc/extend.texi (Function Attributes): Move @cindex after @item
2774 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2775 and put in alphabetical order. Fix 'target' name and put in order.
2776 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2779 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2781 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2782 (memory_barrier): Expand as unspec instead of unspec_volatile.
2783 Remove mem:BLK from insn operands. Use Pmode scratch register.
2784 (*memory_barrier): Define as unspec instead of unspec_volatile.
2785 Use (match_dup 0) as input operand.
2787 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2788 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2789 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2790 scratch register. Remove operand 1.
2791 (*stbar): Define as unspec instead of unspec_volatile.
2792 Use (match_dup 0) as input operand, remove (const_int 8).
2793 (*membar): Define as unspec instead of unspec_volatile.
2794 Use (match_dup 0) as input operand, remove input operand 2.
2796 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2797 (memory_barrier): Expand as unspec instead of unspec_volatile.
2798 Remove mem:BLK from insn operands. Use Pmode scratch register.
2799 (*memory_barrier): Define as unspec instead of unspec_volatile.
2800 Use (match_dup 0) as input operand.
2802 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2803 Remove mem:BLK from insn operands. Use Pmode scratch register.
2804 Set volatile flag on operand 0.
2805 (*memory_barrier): New insn pattern.
2807 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2809 (*memory_barrier): Use (match_dup 0) as input operand.
2811 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2812 Remove mem:BLK from insn operands. Use Pmode scratch register.
2813 Set volatile flag on operand 0.
2814 (*mb_internal): New insn pattern.
2816 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2818 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2821 * function.c (struct temp_slot): Move to the section of the file
2822 that deals with temp slots. Remove field 'address'.
2823 (temp_slot_address_table): New hash table of address -> temp slot.
2824 (struct temp_slot_address_entry): New struct, items for the table.
2825 (temp_slot_address_compute_hash, temp_slot_address_hash,
2826 temp_slot_address_eq, insert_temp_slot_address): Support functions
2828 (find_temp_slot_from_address): Rewrite to use the new hash table.
2829 (remove_unused_temp_slot_addresses): Remove addresses of temp
2830 slots that have been made available.
2831 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2832 worker function for remove_unused_temp_slot_addresses.
2833 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2834 Add the temp slot address to the address -> temp slot map.
2835 (update_temp_slot_address): Update via insert_temp_slot_address.
2836 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2837 (pop_temp_slots): Likewise.
2838 (init_temp_slots): Allocate the address -> temp slot map, or empty
2839 the map if it is already allocated.
2840 (prepare_function_start): Initialize temp slot processing.
2842 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2845 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2846 Calculate the size of all stack vars assuming no packing of stack
2847 vars will happen, replacing a quadratic algorithm with a linear one.
2849 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2852 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2855 2009-01-03 Diego Novillo <dnovillo@google.com>
2857 * doc/contrib.texi: Update contributions.
2859 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2862 * builtins.c (fold_builtin_memory_op): Give up if either operand
2863 is volatile. Set srctype or desttype to non-qualified version
2867 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2870 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2872 PR rtl-optimization/35805
2873 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2874 problem if fast dce is able to remove any instructions.
2875 * dce.c (dce_process_block): Fix dump message.
2877 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2880 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2882 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2885 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2886 * tree-pretty-print.c (op_code_prio): New function.
2887 (op_prio): No longer static. Use op_code_prio.
2888 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2889 Use op_prio and op_code_prio to determine if () should be
2890 printed around operand(s) or not.
2892 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2893 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2894 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2895 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2896 pp_character instead of pp_string for single letter printing.
2898 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2900 * doc/extend.texi: Fix '#pragma GCC option' typo.
2902 2009-01-02 Richard Guenther <rguenther@suse.de>
2904 * doc/install.texi (--enable-checking): Mention different
2906 (--enable-stage1-checking): Document.
2908 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2911 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2912 case to be an error.
2914 2009-01-02 Ben Elliston <bje@au.ibm.com>
2916 * config/fp-bit.h (pack_d): Constify argument.
2917 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2918 (isnan): Constify argument.
2922 (_fpadd_parts): Constify return type.
2923 (_fpmul_parts): Likewise.
2924 (_fpdiv_parts): Likewise.
2926 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2929 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2930 warn about overwriting initializer with side-effects or
2931 -Woverride-init if !IMPLICIT.
2932 (output_init_element): Likewise. Pass IMPLICIT down to
2934 (process_init_element): Add IMPLICIT argument. Pass it down
2935 to output_init_element.
2936 (push_init_element, pop_init_level, set_designator): Adjust
2937 process_init_element callers.
2938 (set_nonincremental_init, set_nonincremental_init_from_string):
2939 Adjust add_pending_init callers.
2940 (output_pending_init_elements): Adjust output_init_element callers.
2941 * c-tree.h (process_init_element): Adjust prototype.
2942 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2943 process_init_element callers.