1 2008-03-13 Catherine Moore <clm@codesourcery.com>
4 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
5 diagnostic.h with $(DIAGNOSTIC_H).
7 2008-03-12 Jakub Jelinek <jakub@redhat.com>
10 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
12 * config/i386/sync.md (sync_compare_and_swap<mode>,
13 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
14 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
16 (sync_double_compare_and_swapdi_pic,
17 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
18 cmpxchg8b_pic_memory_operand instead of just memory_operand.
20 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
23 * config/i386/i386.c (ix86_expand_push): Don't set memory
26 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
29 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
30 (avx_addsubv4df3): Likewise.
31 (*avx_addsubv4sf3): Likewise.
32 (sse3_addsubv4sf3): Likewise.
34 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
37 * config/i386/i386.md: Compare REGNO on the new peephole2
40 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
43 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
44 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
45 registers for allocnos created from user-defined variables.
47 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
50 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
51 of non-integer mode as well.
53 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
55 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
56 for functions for which the parameter types are unknown.
58 2009-03-11 Jakub Jelinek <jakub@redhat.com>
61 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
63 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
64 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
65 * config/i386/i386.c (ix86_local_alignment): For
66 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
67 long long variables on the stack to avoid dynamic realignment.
68 Allow the first argument to be a decl rather than type.
69 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
71 2009-03-11 Nick Clifton <nickc@redhat.com>
74 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
76 Add description to mno-lsim option.
77 * config/mcore/mcore.h: Remove comment about deprecated m4align
79 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
80 * doc/invoke.texi: Add description of mno-lsim and
81 mstack-increment options.
83 * config/fr30/fr30.opt: Document the -mno-lsim option.
84 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
85 and -mno-lsim options.
87 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
89 * fold-const.c (fold_comparison): Only call fold_inf_compare
90 if the mode supports infinities.
92 2009-03-11 Jason Merrill <jason@redhat.com>
95 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
96 end already did. Notice GIMPLE_CALL modifications of the result.
97 Don't copy debug information from an ignored decl or a decl from
100 2009-03-10 Richard Guenther <rguenther@suse.de>
101 Nathan Froyd <froydnj@codesourcery.com>
104 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
106 (__divMODE3): Likewise.
108 2009-03-09 Jakub Jelinek <jakub@redhat.com>
110 PR tree-optimization/39394
111 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
112 DECL_SIZE_UNIT of variable length FIELD_DECLs.
114 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
116 * recog.c (verfiy_changes): Disallow renaming of hard regs in
117 inline asms for register asm ("") declarations.
119 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
121 * fold-const.c (fold_unary): Fix comment.
123 2009-03-07 Jan Hubicka <jh@suse.cz>
126 * tree-inline.c (setup_one_parameter): Do replacement of const argument
127 by constant in SSA form.
129 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
132 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
133 determine alignment passed to assign_stack_local.
134 (assign_parms_unsplit_complex): Likewise.
135 * except.c (sjlj_build_landing_pads): Likewise.
137 2009-03-06 Jakub Jelinek <jakub@redhat.com>
140 * tree-flow.h (add_referenced_var): Return bool instead of void.
141 * tree-dfa.c (add_referenced_var): Return result of
142 referenced_var_check_and_insert call.
143 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
144 of referenced_var_check_and_insert.
147 * dwarf2out.c (add_abstract_origin_attribute): Return
149 (gen_variable_die): Emit DW_AT_location on abstract static variable's
150 DIE, don't emit it if abstract origin already has it.
151 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
152 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
154 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
156 * genpreds.c: (needs_variable): Fix parentheses at variable name
158 (write_tm_constrs_h): Indent generated code.
160 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
162 * doc/extend.texi (Function Attributes): Add documentation
165 2009-03-06 Jakub Jelinek <jakub@redhat.com>
168 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
169 take locus from its DECL_SOURCE_LOCATION instead of input_location.
171 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
173 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
176 2009-03-05 Jakub Jelinek <jakub@redhat.com>
179 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
180 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
182 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
184 * config/i386/i386.md (R8_REG, R9_REG): New constants.
185 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
186 constants instead of magic numbers.
187 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
189 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
190 (x86_64_ms_abi_int_parameter_registers): Ditto.
191 (x86_64_int_return_registers): Ditto.
192 (ix86_maybe_switch_abi): Ditto.
193 (ix86_expand_call): Ditto for clobbered_registers array.
194 (ix86_hard_regno_mode_ok): Ditto.
195 (x86_extended_QIreg_mentioned_p): Ditto.
197 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
199 PR tree-optimization/39349
200 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
202 * combine.c (gen_lowpart_for_combine): Use omode when generating
205 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
207 PR rtl-optimization/39235
208 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
210 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
212 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
214 2009-03-04 Richard Guenther <rguenther@suse.de>
216 PR tree-optimization/39362
217 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
218 that occur in abnormal PHIs should be varying.
220 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
222 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
224 (simple_iv): Take loop as an argument instead of statement.
225 * tree-scalar-evolution.h (simple_iv): Declaration changed.
226 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
228 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
230 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
231 * matrix-reorg.c (analyze_transpose): Ditto.
232 * tree-data-ref.c (dr_analyze_innermost): Ditto.
233 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
234 * tree-predcom.c (ref_at_iteration): Ditto.
235 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
237 2009-03-04 Richard Guenther <rguenther@suse.de>
239 PR tree-optimization/39358
240 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
241 escaped_id and callused_id.
242 (solve_graph): Likewise.
244 2009-03-04 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/39339
247 * tree-sra.c (try_instantiate_multiple_fields): Make it
248 no longer ICE on the above.
250 2009-03-03 Joseph Myers <joseph@codesourcery.com>
252 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
253 that fits within Pmode.
255 2009-03-03 Steve Ellcey <sje@cup.hp.com>
258 * tm.texi (LIBCALL_VALUE): Update description.
260 2009-03-03 Steve Ellcey <sje@cup.hp.com>
263 * doc/extend.texi (section): Update description.
265 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
268 * tree-inline.c (remapped_type): New.
269 (can_be_nonlocal): Call remapped_type instead of remap_type.
271 2009-03-03 Jakub Jelinek <jakub@redhat.com>
274 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
275 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
277 2009-03-03 Richard Guenther <rguenther@suse.de>
280 * tree.c (tree_nonartificial_location): New function.
281 * tree.h (tree_nonartificial_location): Declare.
282 * builtins.c (expand_builtin_memory_chk): Provide location
283 of the call location for artificial function pieces.
284 (maybe_emit_chk_warning): Likewise.
285 (maybe_emit_sprintf_chk_warning): Likewise.
286 (maybe_emit_free_warning): Likewise.
287 * expr.c (expand_expr_real_1): Likewise.
289 2009-03-03 Jakub Jelinek <jakub@redhat.com>
291 PR tree-optimization/39343
292 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
293 COMPONENT_REF t has ARRAY_TYPE.
295 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
298 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
299 when the type precision of the induction variable should be
300 larger than the type precision of nit.
301 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
302 * graphite.c (graphite_loop_normal_form): Same.
303 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
305 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
307 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
308 (*call_1_rex64_ms_sysv): Use named constants instead of magic
309 numbers to describe clobbered registers.
310 (*call_value_0_rex64_ms_sysv): Ditto.
311 * config/i386/mmx.md (mmx_emms): Ditto.
314 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
316 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
319 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
321 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
322 (spu_section_type_flags): New function.
324 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
326 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
327 reg_class_contents of FLOAT_REGS into a temporary.
329 2009-03-02 Richard Guenther <rguenther@suse.de>
330 Ira Rosen <irar@il.ibm.com>
332 PR tree-optimization/39318
333 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
334 information to the vectorized statement.
336 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
338 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
339 variable. Use defined names instead of magic constants for REX SSE
342 2009-03-01 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/39331
345 * omp-low.c (lower_send_shared_vars): Do not receive new
346 values for the reference of DECL_BY_REFERENCE parms or results.
348 2009-03-01 Jan Hubicka <jh@suse.cz>
351 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
352 BLOCK_NONLOCALIZED_VAR): New macros.
353 (tree_block): Add nonlocalized_vars.
354 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
355 gen_decl_die): Add origin argument. Allow generation of die with
357 (gen_member_die, gen_type_die_with_usage, force_decl_die,
358 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
360 (gen_block_die): Fix checking for unused blocks.
361 (process_scope_var): Break out from .... ; work with origins only.
362 (decls_for_scope) ... here; process nonlocalized list.
363 (dwarf2out_ignore_block): Look for nonlocalized vars.
364 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
366 (dump_scope_block): Dump them.
367 * tree-inline.c (remap_decls): Handle nonlocalized vars.
368 (remap_block): Likewise.
369 (can_be_nonlocal): New predicate.
370 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
372 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
374 * configure: Regenerate.
376 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
378 * optc-gen.awk: No need to duplicate option flags twice.
379 Reuse help texts for duplicate options which do not have
382 * gcc.c (display_help): Document --version.
384 * gcc.c (main): If print_help_list and verbose_flag, ensure
385 driver output comes before subprocess output.
387 * optc-gen.awk: Assign all remaining fields to help string,
388 space-separated, for multi-line help in *.opt.
390 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
391 -Wno-pedantic-ms-format is for MinGW targets only.
393 * doc/options.texi (Option file format): Fix bad indentation,
394 restoring dropped sentence.
396 2009-02-28 Jan Hubicka <jh@suse.cz>
398 * tree-inline.c (tree_function_versioning): Output debug info.
400 2009-02-28 Jan Hubicka <jh@suse.cz>
403 * tree-inline.c (setup_one_parameter): Do not copy propagate
404 arguments when not optimizing.
406 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
409 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
410 (avx_addsubv4df3): Likewise.
411 (*avx_addsubv4sf3): Likewise.
412 (sse3_addsubv4sf3): Likewise.
413 (*avx_addsubv2df3): Likewise.
414 (sse3_addsubv2df3): Likewise.
415 (avx_unpckhps256): Correct item selectors.
416 (avx_unpcklps256): Likewise.
417 (avx_unpckhpd256): Likewise.
418 (avx_unpcklpd256): Likewise.
420 2009-02-28 Jan Hubicka <jh@suse.cz>
422 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
424 (copy_arguments_for_versioning): If var is declared don't declare it.
425 (tree_function_versioning): First setup substitutions and then copy
428 2009-02-27 Jan Hubicka <jh@suse.cz>
431 * cgraph.h (varpool_output_debug_info): Remove.
432 * cgraphunit.c (varpool_output_debug_info): Remove.
433 * dwarf2out.c (deferred_locations_struct): New struct
434 (deferred_locations): New type.
435 (deferred_locations_list): New static var.
436 (deffer_location): New function.
437 (gen_variable_die): Use it.
438 (decls_for_scope): Output info on local static vars.
439 (dwarf2out_finish): Process deferred locations.
440 * varpool.c (varpool_output_debug_info): Remove.
442 2009-02-27 Jan Hubicka <jh@suse.cz>
445 * tree.h (TREE_PROTECTED): Fix comment.
446 (BLOCK_HANDLER_BLOCK): Remove.
447 (struct tree_block): Remove handler_block add body_block.
448 (inlined_function_outer_scope_p): New.
449 (is_body_block): Remove.
450 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
451 * dwarf2out.c (is_inlined_entry_point): Remove.
452 (add_high_low_attributes): Use inlined_function_outer_scope_p.
453 (gen_block_die): Use is_inlined_entry_point check. Remove body block
455 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
456 * gimplify.c (gimplify_expr): Gimplify body blocks.
457 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
458 block with multiple subblocks.
459 (dump_scope_block): Prettier output; dump more flags and info.
460 (dump_scope_blocks): New.
461 (remove_unused_locals): Use dump_scope_blocks.
462 * tree-flow.h (dump_scope_blocks): Declare.
463 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
464 * stmt.c (is_body_block): Remove.
465 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
466 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
468 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
471 * graphite.c (graphite_loop_normal_form): Do not call
472 number_of_iterations_exit from a gcc_assert.
474 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
476 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
477 jumps if COND is NULL.
478 (find_cond_jump): New function.
479 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
480 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
482 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
484 * config/alpha/alpha.h (alpha_expand_mov): Return false if
485 force_const_mem returns NULL_RTX.
487 2009-02-26 Jan Hubicka <jh@suse.cz>
490 * cgraph.h (varpool_output_debug_info): Remove.
491 * cgraphunit.c (varpool_output_debug_info): Remove.
492 * dwarf2out.c (deferred_locations_struct): New struct
493 (deferred_locations): New type.
494 (deferred_locations_list): New static var.
495 (deffer_location): New function.
496 (gen_variable_die): Use it.
497 (decls_for_scope): Output info on local static vars.
498 (dwarf2out_finish): Process deferred locations.
499 * varpool.c (varpool_output_debug_info): Remove.
501 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
503 PR rtl-optimization/39241
504 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
505 to subreg_offset_representable_p.
507 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
509 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
510 execute function prototype. Get f and nregs from max_reg_num
511 and get_insns. Remove the first backward pass as it's dead,
512 guard the forward pass by flag_expensive_optimizations.
513 (rest_of_handle_regmove): Delete.
514 (pass_regmove): Replace it with regmove_optimize.
516 2009-02-25 Martin Jambor <mjambor@suse.cz>
518 PR tree-optimization/39259
519 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
520 calls_alloca function flags.
521 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
524 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
526 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
527 flags_set_1_rtx, flags_set_1_set): Delete.
528 (regmove_optimize): Do not call mark_flags_life_zones.
530 2009-02-24 Julian Brown <julian@codesourcery.com>
533 * config/arm/arm.c (require_pic_register): Only set
534 cfun->machine->pic_reg once per function.
536 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
538 * doc/invoke.texi (Link Options): Document an easier way to pass
539 options that take arguments to the GNU linker using -Xlinker and -Wl.
541 2009-02-24 Steve Ellcey <sje@cup.hp.com>
544 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
546 2009-02-24 Richard Guenther <rguenther@suse.de>
549 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
551 2009-02-24 Richard Guenther <rguenther@suse.de>
552 Zdenek Dvorak <ook@ucw.cz>
554 PR tree-optimization/39233
555 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
556 from converting them to a generic type.
558 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
560 PR tree-optimization/39260
561 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
562 contains a condition with a real type.
563 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
565 2009-02-23 Jason Merrill <jason@redhat.com>
568 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
569 narrowing_initializer_constant_valid_p.
570 (narrowing_initializer_constant_valid_p): Don't return
571 null_pointer_node for adding a pointer to itself.
573 2009-02-23 Jan Hubicka <jh@suse.cz>
576 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
579 2009-02-23 Jan Hubicka <jh@suse.cz>
581 PR tree-optimization/37709
582 * tree.c (block_ultimate_origin): Move here from dwarf2out.
583 * tree.h (block_ultimate_origin): Declare.
584 * dwarf2out.c (block_ultimate_origin): Move to tree.c
585 * tree-ssa-live.c (remove_unused_scope_block_p):
586 Eliminate blocks containig no instructions nor live variables nor
588 (dump_scope_block): New function.
589 (remove_unused_locals): Enable removal of dead blocks by default;
590 enable dumping at TDF_DETAILS.
592 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
594 * config/i386/i386.c (classify_argument): Don't allow COImode
596 (function_arg_advance_32): Don't allow OImode.
597 (function_arg_32): Likewise.
598 (function_value_32): Likewise.
599 (return_in_memory_32): Likewise.
600 (function_arg_64): Remove OImode comment.
602 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
605 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
606 ix86_expand_vector_set for V4DImode in 64bit mode only.
607 (ix86_expand_vector_init_one_var): Likewise.
609 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
611 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
613 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
616 * loop-iv.c: Revert last change.
617 * emit-rtl.c: Likewise.
619 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
622 * config/i386/i386.c (type_natural_mode): Remove an extra
623 space in the warning message.
624 (function_value_32): Handle 32-byte vector modes.
625 (return_in_memory_32): Likewise.
627 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
629 * loop-iv.c (truncate_value): New function.
630 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
632 (lowpart_subreg): Move to...
633 * emit-rtl.c: ...here.
635 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
637 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
638 accidental and undocumented change at revision 140860.
640 2009-02-21 Joseph Myers <joseph@codesourcery.com>
642 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
643 take gimple_seq * arguments.
644 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
645 types_compatible_p langhook.
647 2009-02-20 Mark Mitchell <mark@codesourcery.com>
648 Joseph Myers <joseph@codesourcery.com>
650 * config/arm/arm.c (arm_builtin_va_list): New function.
651 (arm_expand_builtin_va_start): Likewise.
652 (arm_gimplify_va_arg_expr): Likewise.
653 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
654 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
655 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
656 (va_list_type): New variable.
657 (arm_mangle_type): Mangle va_list_type appropriately.
659 2009-02-20 Jakub Jelinek <jakub@redhat.com>
662 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
663 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
664 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
665 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
666 parameter to 1000 for -O1 by default.
667 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
669 * loop-invariant.c: Include params.h.
670 (move_loop_invariants): Don't call move_single_loop_invariants on
673 2009-02-20 Jaka Mocnik <jaka@xlab.si>
675 * calls.c (emit_library_call_value_1): Use slot_offset instead of
676 offset when calculating bounds for indexing stack_usage_map. Fixes
677 a buffer overflow with certain target setups.
679 2009-02-20 Jakub Jelinek <jakub@redhat.com>
682 * calls.c (expand_call): Clear try_tail_call if caller and callee
683 disagree in promotion of function return value.
685 2009-02-19 Jakub Jelinek <jakub@redhat.com>
688 * c-common.c (c_determine_visibility): If visibility changed and
689 DECL_RTL has been already set, call make_decl_rtl to update symbol
692 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
695 * varasm.c (assemble_variable): Don't check DECL_NAME when
696 globalizing a variable.
698 2009-02-19 Joseph Myers <joseph@codesourcery.com>
701 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
702 expression before any __builtin_trap call.
703 * c-typeck.c (build_function_call): Convert and check function
704 arguments before generating a call to a trap. Evaluate the
705 function arguments before the trap.
707 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
710 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
711 (UNSPEC_FXAM_MEM): New unspec.
712 (fxam<mode>2_i387_with_temp): New insn and split pattern.
713 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
714 memory using fxam<mode>2_i387_with_temp to remove excess precision.
716 2009-02-19 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/39207
719 PR tree-optimization/39074
720 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
721 storedanything_tree): New.
722 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
723 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
724 (build_succ_graph): Add edges from STOREDANYTHING to all
726 (init_base_vars): Initialize STOREDANYTHING.
727 (compute_points_to_sets): Free substitution info after
728 building the succ graph.
729 (ipa_pta_execute): Likewise.
731 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
733 (do_ds_constraint): Do not add to special var or non-pointer
735 (type_could_have_pointers): Split out from ...
736 (could_have_pointers): ... here. For arrays use the element type.
737 (create_variable_info_for): Initialize may_have_pointers.
738 (new_var_info): Likewise.
739 (handle_lhs_call): Make the HEAP variable unknown-sized.
740 (intra_create_variable_infos): Use a type with pointers for
741 PARM_NOALIAS, make it unknown-sized.
743 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
746 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
748 2009-02-18 Jason Merrill <jason@redhat.com>
751 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
752 value if DECL_EXTERNAL.
753 * tree-sra.c (sra_walk_gimple_assign): Likewise.
754 * target.h (gcc_target::binds_local_p): Clarify "module".
755 * tree.h (TREE_PUBLIC): Clarify "module".
757 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
760 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
761 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
763 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
766 * c.opt (Wabi): Support C and ObjC.
769 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
771 * config/i386/i386.c (classify_argument): Warn once about the ABI
772 change when passing union with long double.
774 * doc/invoke.texi: Update -Wabi for warning psABI changes.
776 2009-02-18 Joseph Myers <joseph@codesourcery.com>
779 * c-parser.c (c_parser_compound_statement): Always enter and leave
782 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
785 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
787 2009-02-18 Jakub Jelinek <jakub@redhat.com>
789 PR tree-optimization/36922
790 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
791 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
794 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
796 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
799 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
801 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
803 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
805 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
808 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
809 Richard Sandiford <rdsandiford@googlemail.com>
811 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
812 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
813 (loongson_biadd): ...this.
815 2009-02-17 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/39202
818 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
819 a var make sure to follow existing collapses.
821 2009-02-17 Richard Guenther <rguenther@suse.de>
824 * langhooks.c (lhd_print_error_function): Check for NULL block.
826 2009-02-17 Richard Guenther <rguenther@suse.de>
828 PR tree-optimization/39204
829 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
832 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
834 * config/soft-fp/double.h: Update from glibc CVS.
836 2009-02-17 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/39207
839 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
840 strict-aliasing warnings for pointers pointing to NULL.
842 2009-02-16 Joseph Myers <joseph@codesourcery.com>
845 * c-parser.c (c_parser_braced_init): Call pop_init_level when
846 skipping until next close brace.
848 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
851 * config/i386/i386.c (ix86_expand_push): Set memory alignment
852 to function argument boundary.
854 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
856 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
857 in the lea_add. Reload eventually constraints it properly.
858 * config/picochip/constraints.md : Remove the target constraint
859 "b", since it is not needed anymore.
861 2009-02-16 Jakub Jelinek <jakub@redhat.com>
863 * gthr-dce.h: Uglify function parameter and local variable names.
864 * gthr-gnat.h: Likewise.
865 * gthr-mipssde.h: Likewise.
866 * gthr-nks.h: Likewise.
867 * gthr-posix95.h: Likewise.
868 * gthr-posix.h: Likewise.
869 * gthr-rtems.h: Likewise.
870 * gthr-single.h: Likewise.
871 * gthr-solaris.h: Likewise.
872 * gthr-tpf.h: Likewise.
873 * gthr-vxworks.h: Likewise.
874 * gthr-win32.h: Likewise.
876 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
879 * config/i386/i386.md: Restrict the new peephole2 to move
880 between MMX/SSE registers.
882 2009-02-15 Richard Guenther <rguenther@suse.de>
885 2009-02-13 Richard Guenther <rguenther@suse.de>
887 * configure.ac: Enable LFS.
888 * configure: Re-generate.
889 * config.in: Likewise.
891 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
893 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
894 spu_srqwbyte, spu_srqwbytebc): Define.
895 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
896 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
897 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
898 "shrqby_<mode>"): New insn-and-split patterns.
899 * config/spu/spu.c (expand_builtin_args): Determine and return
900 number of operands using spu_builtin_description data.
901 (spu_expand_builtin_1): Use it.
903 2009-02-13 Steve Ellcey <sje@cup.hp.com>
906 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
909 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
912 * config/i386/i386.c (override_options): Correct warning
913 messages for -malign-loops, -malign-jumps and -malign-functions.
915 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
918 * config/i386/i386.md: Restrict the new peephole2 to move
919 between the general purpose registers.
921 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
924 * config/i386/i386.c (type_natural_mode): Add a new argument.
925 Return the original mode and warn ABI change if vector size is 32byte.
926 (function_arg_advance): Updated.
927 (function_arg): Likewise.
928 (ix86_function_value): Likewise.
929 (ix86_return_in_memory): Likewise.
930 (ix86_sol10_return_in_memory): Likewise.
931 (ix86_gimplify_va_arg): Likewise.
932 (function_arg_32): Don't warn ABX ABI change here.
933 (function_arg_64): Likewise.
935 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
937 * loop-iv.c (implies_p): In the final case, test that operands 0
938 of the two comparisons match.
940 * config/bfin/bfin.c (find_prev_insn_start): New function.
941 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
942 (find_next_insn_start): Move.
944 2009-02-13 Richard Guenther <rguenther@suse.de>
946 * configure.ac: Enable LFS.
947 * configure: Re-generate.
948 * config.in: Likewise.
950 2009-02-13 Joseph Myers <joseph@codesourcery.com>
953 * c-parser.c (c_parser_parms_list_declarator): Discard pending
954 sizes on syntax error after some arguments have been parsed.
956 2009-02-12 Jakub Jelinek <jakub@redhat.com>
958 * doc/invoke.texi (-fira): Remove.
960 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
962 * caller-save.c: Replace regclass.c with reginfo.c in comments.
966 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
968 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
969 (umul_ppmm): Likewise.
970 (count_leading_zeros): Likewise.
971 (count_trailing_zeros): Likewise.
972 (UMUL_TIME): Likewise.
974 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
976 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
977 soft-fp/t-softfp to tmake_file.
979 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
980 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
981 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
982 IA64_BUILTIN_INFQ]: New.
983 (ia64_init_builtins): Initialize __builtin_infq,
984 __builtin_fabsq and __builtin_copysignq if not HPUX.
985 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
986 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
988 * config/ia64/lib1funcs.asm (__divtf3): Define only if
990 (__fixtfti): Likewise.
991 (__fixunstfti): Likewise.
992 (__floattitf): Likewise.
994 * config/ia64/libgcc-glibc.ver: New.
995 * config/ia64/t-fprules-softfp: Likewise.
996 * config/ia64/sfp-machine.h: Likewise.
998 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
999 (LIBGCC2_TF_CEXT): Likewise.
1000 (TF_SIZE): Likewise.
1001 (TARGET_INIT_LIBFUNCS): Likewise.
1003 * config/ia64/t-glibc (SHLINB_MAPFILES):
1004 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1006 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1008 * config/i386/i386.c (construct_container): Rewrite processing
1009 BLKmode with X86_64_SSE_CLASS.
1011 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1014 * config/i386/i386.md: Replace simplify_replace_rtx with
1015 replace_rtx in the new peephole2.
1017 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1019 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1020 loop unrolling do not happen at -O2.
1022 2009-02-12 Michael Matz <matz@suse.de>
1024 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1026 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1028 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1031 2009-02-12 Ben Elliston <bje@au.ibm.com>
1033 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1034 patterns when updating the back chain. Missed in the 2009-02-10
1037 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1039 * doc/extend.texi (Decimal Floating Types): Update identifier of
1040 draft TR and list of missing support.
1042 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1045 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1046 bit to variable length decl's flags, add it also to its
1047 pointer replacement variable.
1049 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1050 Jakub Jelinek <jakub@redhat.com>
1053 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1054 (memory_blockage): New expander.
1055 (*memory_blockage): New insn pattern.
1056 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1057 instead of general blockage at the end of function prologue when
1058 frame pointer is used to access red zone area. Do not emit blockage
1059 when profiling, it is emitted in generic code.
1060 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1061 function epilogue when frame pointer is used to access red zone area.
1063 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1066 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1067 by arithmetic with memory operands.
1068 * config/i386/predicates.md (commutative_operator): New.
1070 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1072 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1075 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1077 * alias.h (record_alias_subset): Declare.
1078 * alias.c (record_alias_subset): Make global.
1080 2009-02-10 Nick Clifton <nickc@redhat.com>
1082 * tree-parloops.c: Change license to GPLv3.
1083 * ipa-struct-reorg.c: Change license to GPLv3.
1084 * ipa-struct-reorg.h: Change license to GPLv3.
1086 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1089 * c-decl.c (start_struct): Return NULL on error.
1091 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1094 * cfgloopmanip.c (remove_path): Call remove_bbs after
1095 cancel_loop_tree, not before it.
1098 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1099 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1100 VAR_DECLs were seen.
1101 * tree-ssa-live.c (remove_unused_locals): Recompute
1102 cfun->has_local_explicit_reg_vars.
1103 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1104 copies or clearings if cfun->has_local_explicit_reg_vars.
1106 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1109 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1110 of function prologue when frame pointer is used to access
1113 2009-02-10 Richard Guenther <rguenther@suse.de>
1116 * gimplify.c (gimple_regimplify_operands): Always look if
1117 we need to create a temporary.
1119 2009-02-10 Richard Guenther <rguenther@suse.de>
1121 PR tree-optimization/39132
1122 * tree-loop-distribution.c (todo): New global var.
1123 (generate_memset_zero): Trigger TODO_rebuild_alias.
1124 (tree_loop_distribution): Return todo.
1126 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1129 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1130 (x86_64_reg_class_name): Removed.
1131 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1132 first one isn't X86_64_SSE_CLASS or any other ones aren't
1133 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1134 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1135 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1136 and 3 X86_64_SSEUP_CLASS.
1137 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1138 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1140 2009-02-10 Ben Elliston <bje@au.ibm.com>
1142 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1143 form instruction to update the stack back chain word, even if the
1144 user has disabled the generation of update instructions.
1145 (movdi_<mode>_update_stack): New.
1146 (movsi_update_stack): Likewise.
1147 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1148 always use an update form instruction to update the stack back
1151 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1154 * graphite.c (if_region_set_false_region): After moving a region in
1155 the false branch of a condition, remove the empty dummy basic block.
1156 (gloog): Remove wrong fix for PR38953.
1158 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1160 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1161 generation due to implicit sign extension.
1163 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1166 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1167 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1169 2009-02-09 Richard Guenther <rguenther@suse.de>
1172 * convert.c (convert_to_real): Disable (float)fn((double)x)
1173 to fnf(x) conversion if errno differences may occur and
1174 -fmath-errno is set.
1176 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1178 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1179 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1180 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1182 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1185 * c-common.c (handle_alias_attribute): Disallow attribute for
1186 anything not a FUNCTION_DECL or VAR_DECL.
1188 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1191 * real.c (do_compare): Special-case compare of zero against
1192 decimal float value.
1194 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1197 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1198 as indicating flexible array members unless the field itself is
1199 being declarared as the incomplete array.
1201 2009-02-06 Jan Hubicka <jh@suse.cz>
1203 PR tree-optimization/38844
1204 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1207 2009-02-06 Richard Guenther <rguenther@suse.de>
1210 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1211 fork because we may expand it as __gcov_fork.
1213 2009-02-06 Nick Clifton <nickc@redhat.com>
1215 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1217 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1219 PR tree-optimization/35659
1220 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1221 vn_phi_eq): Shortcut if hashcode does not match.
1222 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1224 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1225 and avoid iterative_hash_expr.
1226 (FOR_EACH_VALUE_ID_IN_SET): New.
1227 (value_id_compare): Remove.
1228 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1229 sort expressions by value id.
1231 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1234 * config/sh/predicates.md (general_movsrc_operand): Don't check
1235 the subreg of system registers here.
1237 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1240 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1243 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1245 PR rtl-optimization/39110
1246 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1247 addresses, not aligned ones.
1249 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1250 Richard Guenther <rguenther@suse.de>
1252 PR tree-optimization/39100
1253 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1254 comment says and add edges.
1256 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1259 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1260 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1262 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1264 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1265 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1266 register_bb_in_sese, new_sese, free_sese): Moved.
1267 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1268 outermost_loop_in_scop, build_scop_iteration_domain,
1269 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1270 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1271 Use loop_in_sese_p instead of loop_in_scop_p.
1272 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1273 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1274 (scopdet_basic_block_info): Fix bug in scop detection.
1275 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1276 eq_loop_to_cloog_loop): Remove.
1277 (nb_loops_around_loop_in_scop, nb_loop
1278 ref_nb_loops): Moved here...
1279 * graphite.h (ref_nb_loops): ... from here.
1280 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1281 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1282 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1283 * testsuite/gcc.dg/graphite/scop-19.c: New
1285 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1286 Hans-Peter Nilsson <hp@axis.com>
1288 PR rtl-optimization/37889
1289 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1290 Move offset handling from PLUS to before the switch. Use new
1291 arguments when considering SYMBOL_REFs too.
1292 (rtx_addr_can_trap_p): Pass dummy offset and size.
1293 (enum may_trap_p_flags): Remove.
1294 (may_trap_p_1): Pass size from MEM_SIZE.
1296 PR rtl-optimization/38921
1297 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1298 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1299 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1300 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1302 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1304 AVX Programming Reference (January, 2009)
1305 * config/i386/sse.md (*vpclmulqdq): New.
1307 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1309 PR tree-optimization/38977
1310 PR gcov-profile/38292
1311 * calls.c (special_function_p): Disregard __builtin_ prefix.
1313 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1315 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1316 non-indexable addresses even before reload.
1318 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1321 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1322 as having variable size. Do not give an error for unnamed
1323 parameters with [*] declarators. Give a warning for type names
1324 with [*] declarators and mark them as variable size.
1325 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1326 for sizeof applied to [*] type names.
1328 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1331 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1333 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1335 * gcc.c (process_command): Update copyright notice dates.
1336 * gcov.c (print_version): Likewise.
1337 * gcov-dump.c (print_version): Likewise.
1338 * mips-tfile.c (main): Likewise.
1339 * mips-tdump.c (main): Likewise.
1341 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1344 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1345 for composite type involving a zero-length array type.
1347 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1350 * function.c (match_asm_constraints_1): Skip over
1351 initial optional % in the constraint.
1354 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1355 supported, don't accept FIXED_CSTs.
1356 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1357 and _Sat is used without _Fract/_Accum. Set specs->type to
1358 integer_type_node for cts_fract/cts_accum if fixed point is not
1361 2009-02-02 Catherine Moore <clm@codesourcery.com>
1363 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1365 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1367 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1368 (ABI_HAS_64BIT_SYMBOLS): Use it.
1369 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1371 2009-02-02 Paul Brook <paul@codesourcery.com>
1373 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1375 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1378 * recog.h (asm_operand_ok): Add constraints argument.
1379 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1380 recurse on matching constraint.
1381 (check_asm_operands): Pass constraints as 3rd argument to
1382 asm_operand_ok. Don't look up matching constraint here.
1383 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1386 2009-02-02 Ben Elliston <bje@au.ibm.com>
1388 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1389 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1391 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1393 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1394 information. Remove some obsolete information. Reorganize.
1396 * config/pa/fptr.c: Revert license to GPL 2.
1397 * config/pa/milli64.S: Likewise.
1399 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1402 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1403 LIBRARY name in, instead of hard-coding it.
1404 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1405 extra target make frag to tmake_files according to EH model.
1406 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1407 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1408 frags that define makefile variable EH_MODEL appropriately.
1409 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1410 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1411 to "-sjlj" according to type of EH configured.
1412 (LIBGCC_SONAME): Concatenate it to shared library base name.
1413 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1414 to "_sjlj" according to type of EH configured.
1415 (LIBGCC_SONAME): Concatenate it to shared library base name.
1416 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1417 (SHLIB_LINK): Add missing semicolon to if-else construct.
1418 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1419 string value of "pe_dll" command-line option.
1420 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1421 (SHLIB_SONAME): Use it when overriding t-cygming default.
1422 (SHLIB_IMPLIB): Override t-cygming default.
1423 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1424 string value of "pe_dll" command-line option.
1426 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1429 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1430 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1432 2009-01-31 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/38937
1435 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1436 computing the transitive closure.
1438 2009-01-30 Richard Guenther <rguenther@suse.de>
1440 PR tree-optimization/39041
1441 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1442 Propagate variable indices only if the types match for this stmt.
1444 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1447 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1448 inline but never defined.
1450 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1452 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1453 (*insv_h_di_reg_extimm): New insn.
1454 (*insv_l<mode>_reg_extimm): New insn.
1456 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1458 * config/picochip/picochip.c (flag_conserve_stack): set
1459 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1460 fconserve-stack. Reduce call-overhead used by inliner.
1462 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1465 * common.opt (flag_conserve_stack): Initialised to zero.
1467 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1470 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1471 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1474 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1476 * ira-color.c (allocno_reload_assign): Update comments.
1477 * regmove.c (regmove_optimize): Likewise.
1481 2009-01-29 Robert Millan <rmh@aybabtu.com>
1483 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1484 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1485 `MD_UNWIND_SUPPORT'.
1486 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1488 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1490 PR tree-optimization/39007
1491 * tree-loop-distribution.c (generate_builtin): Use
1492 recompute_dominator to compute the immediate dominator of the
1493 basic block just after the loop.
1495 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1497 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1498 (ASM_OUTPUT_DWARF_PCREL): Define.
1500 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1502 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1503 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1504 global. Modify entries about regmove and IRA.
1506 * ra-conflict.c: Remove the file.
1508 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1510 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1511 (pass_regclass_init): Rename to pass_reginfo_init.
1513 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1515 * toplev.h (flag_ira): Remove.
1517 * caller-save.c (setup_save_areas): Remove flag_ira.
1519 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1521 * global.c: Remove the file.
1523 * opts.c: (decode_options): Remove flag_ira.
1525 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1527 * regmove.c: Modify file description.
1528 (find_use_as_address, try_auto_increment): Define them only if
1529 AUTO_INC_DEC is defined.
1530 (replacement_quality, replace_in_call_usage, fixup_match_1,
1531 stable_and_no_regs_but_for_p): Remove.
1532 (reg_set_in_bb): Make it static.
1533 (regmove_optimize): Remove flag_ira and code which worked for
1536 * local-alloc.c: Remove the file.
1538 * common.opt (fira): Remove.
1540 * ira.c: Include except.h.
1541 (eliminable_regset): Move from global.c.
1542 (mark_elimination): Ditto. Remove flag_ira.
1543 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1544 equiv_mem_modified, validate_equiv_mem_from_store,
1545 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1546 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1547 no_equiv, recorded_label_ref): Move from local-alloc.c.
1548 (update_equiv_regs): Ditto. Make it static.
1549 (print_insn_chain, print_insn_chains): Move it from global.c.
1550 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1551 (build_insn_chain): Ditto. Make it static.
1552 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1553 Rename to init_live_subregs.
1554 (gate_ira): Remove flag_ira.
1556 * regclass.c: Rename reginfo.c. Change file description.
1557 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1558 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1559 (init_reg_sets_1): Remove code for evaluation of
1560 reg_class_superclasses and losing_caller_save_reg_set.
1561 (init_regs): Remove init_reg_autoinc.
1562 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1563 ok_for_base_p_nonstrict): Remove.
1564 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1565 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1566 corresponding entries.
1567 (dump_regclass, record_operand_costs, scan_one_insn,
1568 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1569 record_address_regs, auto_inc_dec_reg_p): Remove.
1570 (gt-regclass.h): Rename to gt-reginfo.h.
1572 * rtl.h (dump_global_regs, retry_global_alloc,
1573 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1575 * Makefile.in (RA_H): Remove.
1576 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1577 Rename regclass.o to reginfo.o.
1578 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1580 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1581 (GTFILES): Rename regclass.c to reginfo.c.
1583 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1584 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1586 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1587 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1589 (finish_spills): Ditto. Remove code for !flag_ira.
1591 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1594 * doc/invoke.texi (rtl debug options): Complete rewrite.
1595 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1597 * mode-switching.c (pass_mode_switching): Rename pass from
1598 "mode-sw" to "mode_sw".
1599 * except.c (pass_convert_to_eh_ranges): Rename pass from
1600 "eh-ranges" to "eh_ranges".
1601 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1605 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1606 Alexander Monakov <amonakov@ispras.ru>
1609 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1611 (move_exprs_to_boundary): Change return type and pass through
1612 should_move from move_op. Relax assert. Update usage ...
1613 (schedule_expr_on_boundary): ... here. Use should_move instead of
1615 (move_op_orig_expr_found): Indicate that insn was disconnected from
1617 (code_motion_process_successors): Do not call after_merge_succs
1618 callback if original expression was not found when traversing any of
1620 (code_motion_path_driver): Change return type. Update prototype.
1621 (move_op): Update comment. Add a new parameter (should_move). Update
1622 prototype. Set *should_move based on indication provided by
1623 move_op_orig_expr_found.
1625 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1627 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1628 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1629 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1630 * config/rs6000/rs6000.c (rs6000_override_options): Default
1631 avoid-indexed-addresses on for Power6, off for everything else.
1632 (avoiding_indexed_address_p): New function.
1633 (rs6000_legitimize_address): Use it.
1634 (rs6000_legitimate_address): Likewise.
1635 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1637 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1639 PR tree-optimization/38997
1640 * tree-loop-distribution.c (generate_memset_zero): Use
1641 POINTER_PLUS_EXPR for a pointer addition.
1643 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1645 * config/s390/s390.md (bswap<mode>2): New pattern added.
1647 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1649 * config/s390/s390.md (*tls_load_31): Added type attribute.
1651 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1653 * config/s390/s390.md: Fix a few comments.
1655 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1657 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1658 (*tm<mode>_full): Fixed z10prop attribute.
1659 (*tst<mode>_extimm): Fixed z10prop attribute.
1660 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1661 (*tstqiCCT_cconly): Fixed z10prop attribute.
1662 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1663 (*movsi_larl): Fixed z10prop attribute.
1664 (*movsi_zarch): Fixed z10prop attribute.
1665 (*movsi_eas): Fixed z10prop attribute.
1666 (*movhi): Fixed z10prop attribute.
1667 (*movqi): Fixed z10prop attribute.
1668 (*movstrictqi): Fixed z10prop attribute.
1669 (*mov<mode>): Fixed z10prop attribute.
1670 (*movcc): Fixed z10prop attribute.
1671 (*sethighpartdi_64): Fixed z10prop attribute.
1672 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1673 (*negdi2_sign_cc): Fixed z10prop attribute.
1674 (*negdi2_sign): Fixed z10prop attribute.
1675 (*absdi2_sign_cc): Fixed z10prop attribute.
1676 (*absdi2_sign): Fixed z10prop attribute.
1677 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1678 (*negabsdi2_sign): Fixed z10prop attribute.
1679 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1680 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1681 (doloop_si64): Fixed z10prop attribute.
1682 (doloop_si31): Fixed z10prop attribute.
1683 (doloop_long): Fixed z10prop attribute.
1684 (indirect_jump): Fixed z10prop attribute.
1685 (nop): Fixed z10prop attribute.
1686 (main_base_64): Fixed z10prop attribute.
1687 (reload_base_64): Fixed z10prop attribute.
1689 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1691 PR rtl-optimization/38740
1692 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1694 * config/mips/mips.c (mips_reorg): Likewise.
1696 2009-01-28 Richard Guenther <rguenther@suse.de>
1698 PR tree-optimization/38926
1699 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1700 with the correct value id to a value.
1701 (do_regular_insertion): Use the value number of edoubleprime
1702 for the value number of the expr.
1705 2008-08-21 Richard Guenther <rguenther@suse.de>
1707 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1708 a PHI ask VN if it is already available.
1709 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1710 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1712 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1715 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1716 set to varying whenever max has TREE_OVERFLOW set, similarly
1717 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1719 2009-01-28 Richard Guenther <rguenther@suse.de>
1722 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1723 uninitialized aggregate uses in call arguments.
1725 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1727 PR tree-optimization/38984
1728 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1729 the nothing_id variable if -fno-delete-null-pointer-checks.
1731 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1734 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1735 (set_got_offset_rex64): Ditto.
1737 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1740 * doc/extend.texi: Improve local variable with asm reg.
1742 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1744 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1745 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1746 was not supplied then set warn_packed_bitfield_compat to the
1748 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1751 2009-01-27 Richard Guenther <rguenther@suse.de>
1753 PR tree-optimization/38503
1754 * cfgexpand.c (expand_gimple_basic_block): Ignore
1755 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1756 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1757 variables that cannot have TBAA applied.
1758 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1761 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1764 * calls.c (initialize_argument_information): Do not wrap complex
1765 arguments in SAVE_EXPR.
1767 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1769 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1770 (INSTALL_LIBGCC): Revert typo commit.
1772 2009-01-26 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/38745
1775 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1776 from special handling.
1778 2009-01-26 Richard Guenther <rguenther@suse.de>
1780 PR tree-optimization/38745
1781 * tree-ssa.c (execute_update_addresses_taken): Do not include
1782 variables that cannot possibly be a register in not_reg_needs.
1783 Do not clear TREE_ADDRESSABLE on vars that may not become
1785 * tree-ssa.c (update_alias_info_1): Include those in the set
1786 of addressable vars.
1788 2009-01-26 Richard Guenther <rguenther@suse.de>
1791 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1792 * tree-ssa-dse.c: Include langhooks.h
1793 (execute_simple_dse): Remove stores with zero size.
1795 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1798 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1801 2009-01-24 Julian Brown <julian@codesourcery.com>
1803 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1804 config/arm/linux-atomic.c.
1805 * config/arm/linux-atomic.c: New.
1807 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1809 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1810 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1811 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1813 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1816 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1819 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1821 PR tree-optimization/38953
1822 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1823 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1824 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1825 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1828 2009-01-24 Paul Brook <paul@codesourcery.com>
1830 * config/arm/neon.md (neon_type): Move to arm.md.
1831 (neon_mov<VSTRUCT>): Add neon_type attribute.
1832 * config/arm/arm.md (neon_type): Move to here.
1833 (conds): Add "unconditioal" and use as default for NEON insns.
1835 2009-01-24 Ben Elliston <bje@au.ibm.com>
1837 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1838 void *' warning from -Wc++-compat.
1839 * Makefile.in (dominance.o-warn): Remove.
1841 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1843 PR tree-optimization/38932
1844 * fold-const.c (fold_unary_ignore_overflow): New.
1845 * tree.h (fold_unary_ignore_overflow): Declare.
1846 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1847 * tree-ssa-sccvn.c (visit_reference_op_load,
1848 simplify_unary_expression): Likewise.
1850 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1852 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1853 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1854 regardless of their type.
1855 * c-common.c (handle_packed_attribute): Don't ignore packed on
1857 * c.opt (Wpacked-bitfield-compat): New warning option.
1858 * stor-layout.c (place_field): Warn if offset of a field changed.
1859 * doc/extend.texi (packed): Mention the ABI change.
1860 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1861 (Warning Options): Add it to the list.
1863 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1865 * c-opts.c (c_common_post_options): Fix a typo in comments.
1867 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1870 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1871 variables to static.
1872 * doc/invoke.texi (-fmerge-all-constants): Update description.
1874 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1877 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1878 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1880 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1882 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1884 (LOCAL_ALIGNMENT): Similarly.
1886 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1887 Joseph Myers <joseph@codesourcery.com>
1889 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1890 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1891 * config/arm/arm-tune.md: Regenerate.
1892 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1895 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1897 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1898 version number to five.
1900 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1903 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1904 * c-common.c (set_underlying_type): Likewise.
1905 (is_typedef_decl ): Likewise
1907 (set_underlying_type): Likewise.
1908 (is_typedef_type): Likewise.
1910 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1913 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1916 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1919 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1920 (LIBGCC_SPEC): Don't define.
1921 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1923 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1925 PR rtl-optimization/38879
1926 * alias.c (base_alias_check): Unaligned access via AND address can
1927 alias all surrounding object types except those with sizes equal
1928 or wider than the size of unaligned access.
1930 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1933 * c-decl.c: (clone_underlying_type): Move this ...
1934 * c-common.c (set_underlying_type): ... here.
1935 Also, make sure the function properly sets TYPE_STUB_DECL() on
1936 the newly created typedef variant type.
1937 (is_typedef_decl ): New entry point.
1938 * tree.h: Added a new member member_types_needing_access_check to
1939 struct tree_decl_non_common.
1940 (set_underlying_type): New entry point.
1941 (is_typedef_type): Likewise.
1943 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1945 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1946 Check whether two instructions have memory references that
1947 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1948 are helper functions for traversing.
1949 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1950 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1951 not to draw dependency edge for instructions with non-conflicting
1954 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1957 * longlong.h: Update copyright years. Use soft-fp license notice.
1958 Sync __clz_tab declaration with glibc.
1960 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1963 * doc/extend.texi (syscall_linkage): New.
1964 (version_id): Modify.
1966 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1967 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/38747
1970 PR tree-optimization/38748
1971 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1972 conversion if the base address is an indirect reference and the
1973 aliasing sets could cause issues.
1975 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1977 * common.opt (fgraphite, fgraphite-identity): Add comment for
1978 explaining why these options are not documented.
1980 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1982 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1983 gimple_call_lhs is NULL.
1985 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1988 * emit-rtl.c (adjust_address_1): Make sure memref is never
1991 2009-01-20 Ben Elliston <bje@au.ibm.com>
1993 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1994 const qualifier from arg parameter. Remove unnecessary cast to char *.
1995 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1996 const qualifier from arg 2.
1998 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2000 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2002 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2005 * rtl.h (reinit_regs): New prototype.
2006 * regclass.c: Include ira.h.
2008 * Makefile.in (regclass.o): Add ira.h.
2009 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2011 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2014 * c-common.c (handle_aligned_attribute): Use
2015 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2016 default alignment value.
2018 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2020 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2021 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2023 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2024 __BIGGEST_ALIGNMENT__.
2026 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2028 2009-01-18 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/38819
2031 * tree-flow.h (operation_could_trap_helper_p): Declare.
2032 * tree-eh.c (operation_could_trap_helper_p): Export.
2033 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2034 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2035 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2036 are about to insert a possibly trapping instruction and fail
2039 2009-01-18 Andreas Schwab <schwab@suse.de>
2041 * doc/install.texi (Configuration): Remove obsolete paragraph
2042 about use of --with-gnu-ld with --with-gnu-as.
2044 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2046 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2047 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2048 Follow spelling conventions.
2050 2009-01-18 Ben Elliston <bje@au.ibm.com>
2052 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2053 C++ warning about implicit conversion from void * to struct
2055 (bitmap_obstack_free): Likewise for bitmap_element *.
2056 * Makefile.in (bitmap.o-warn): Remove.
2058 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2060 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2062 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2063 Tobias Grosser <tobi.grosser@amd.com>
2065 * graphite.c (graphite_trans_scop_block): Do not block single
2068 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2070 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2071 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2072 test with assertion.
2074 2009-01-16 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/38835
2078 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2079 and INT + PTR -> (INT)(PTR p+ INT) folding.
2080 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2082 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2085 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2086 the subreg from a lowpart subreg if it is also casting the value.
2088 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2089 Tobias Grosser <tobi.grosser@amd.com>
2091 * graphite.c (compare_prefix_loops): New.
2092 (build_scop_canonical_schedules): Rewritten.
2093 (graphite_transform_loops): Move build_scop_canonical_schedules
2094 after build_scop_iteration_domain.
2096 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2097 Tobias Grosser <tobi.grosser@amd.com>
2099 * graphite.c (add_conditions_to_domain): Add the loops to
2100 the dimension of the iteration domain. Do copy the domain
2101 only when it exists.
2102 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2103 (add_conditions_to_constraints): New.
2104 (can_generate_code_stmt, can_generate_code): Removed.
2105 (gloog): Do not call can_generate_code.
2106 (graphite_transform_loops): Call add_conditions_to_constraints
2107 after building the iteration domain.
2109 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2111 PR tree-optimization/38789
2112 * tree-ssa-threadedge.c
2113 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2114 __builtin_constant_p.
2116 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2118 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2119 examined before deleting them.
2121 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2123 * function.c (aggregate_value_p): Correctly extract the function
2124 type from CALL_EXPR_FN lookup.
2126 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2128 * config/picochip/picochip.c (picochip_override_options): Revert
2129 CFI asm flag disable commited previously.
2131 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2132 Tobias Grosser <tobi.grosser@amd.com>
2133 Jan Sjodin <jan.sjodin@amd.com>
2135 * graphite.c (scan_tree_for_params): On substractions negate
2136 all the coefficients of the term.
2137 (clast_to_gcc_expression_red): New. Handle reduction expressions
2138 of more than two operands.
2139 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2140 (get_vdef_before_scop): Handle also the case of default definitions.
2142 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2144 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2145 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2146 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2148 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2149 Joey Ye <joey.ye@intel.com>
2152 * cfgexpand.c (expand_stack_alignment): Don't update stack
2153 boundary nor check incoming stack boundary here.
2154 (gimple_expand_cfg): Update stack boundary and check incoming
2155 stack boundary here.
2157 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2159 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2161 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2163 PR rtl-optimization/38245
2164 * calls.c (expand_call): Add stack arguments to
2165 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2166 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2167 in regs and partially in memory or BLKmode arguments.
2168 (emit_library_call_value_1): Add stack arguments to
2169 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2170 ACCUMULATE_OUTGOING_ARGS).
2171 * dce.c: Include tm_p.h.
2172 (find_call_stack_args): New function.
2173 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2175 (mark_insn): Call find_call_stack_args for CALL_Ps.
2176 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2177 forwards. Allocate and free arg_stores bitmap if needed, pass it
2178 down to deletable_insn_p, don't mark stores set in arg_stores
2179 bitmap, clear the bitmap at the beginning of each bb.
2180 * Makefile.in (dce.o): Depend on $(TM_P_H).
2182 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2185 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2186 to make sure the insn is a conditional test (bug 22599). Reformat a
2189 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2192 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2193 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2194 (gloog): Do not call cleanup_tree_cfg.
2195 (graphite_transform_loops): Call cleanup_tree_cfg after all
2196 scops have been code generated.
2198 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2199 * doc/gty.texi (Invoking the garbage collector): Added new node
2200 and section documenting ggc_collect.
2202 2009-01-14 Richard Guenther <rguenther@suse.de>
2204 PR tree-optimization/38826
2206 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2207 initialization notes only if we actually emitted a warning.
2208 (intra_create_variable_infos): Add constraints for a result decl
2209 that is passed by hidden reference.
2210 (build_pred_graph): Mark all related variables non-direct on
2213 2009-01-14 Nick Clifton <nickc@redhat.com>
2215 * ira-conflicts.c: Include addresses.h for the definition of
2217 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2218 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2220 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2223 * Makefile.in (ira-lives.o): Add except.h.
2225 * ira-lives.c: Include except.h.
2226 (process_bb_node_lives): Process can_throw_internal.
2228 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2230 PR rtl-optimization/38774
2231 * combine.c (simplify_set): When undoing cc_use change, don't do
2232 PUT_CODE on the newly created comparison, but instead put back the
2235 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2237 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2238 values. Remove duplicate arm8 entry.
2240 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2242 PR tree-optimization/38786
2243 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2244 the SSA_NAME case of expand_scalar_variables_expr.
2245 Set the type of an expression to the type of its assign statement.
2246 (expand_scalar_variables_expr): Also gather the scalar computation
2247 used to index the memory access. Do not pass loop_p.
2248 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2249 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2250 the gimple_stmt_iterator where it inserts new code.
2252 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2253 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2255 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2257 * graphite.h (debug_value): Removed.
2258 * graphite.c (debug_value): Removed.
2260 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2262 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2263 ldrd/strd with two 32-bit instructions.
2265 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2267 * config/arm/arm.c (struct processors): Pass for speed down into
2268 cost helper functions.
2269 (const_ok_for_op): Handle COMPARE and inequality nodes.
2270 (arm_rtx_costs_1): Rewrite.
2271 (arm_size_rtx_costs): Update prototype.
2272 (arm_rtx_costs): Pass speed down to helper functions.
2273 (arm_slowmul_rtx_costs): Rework cost calculations.
2274 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2275 (arm_9e_rtx_costs): Likewise.
2277 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2279 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2280 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2281 (alpha_legitimize_address): Do not split local symbols wider than
2282 UNITS_PER_WORD into HIGH/LO_SUM parts.
2284 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2287 * gcc.c (process_command): Replace call to execvp with calls
2288 to pex_one and exit.
2290 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2293 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2294 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2295 variant for devices with 3-byte PC.
2296 (__tablejump_elpm__) : New.
2298 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2301 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2302 offsetof member-designator, handle it as `[0].'.
2304 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2306 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2307 function when not using named sections on targets with named sections
2308 if branch distance is less than 262132.
2310 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2312 * combine.c (combine_instructions): Recompute
2313 optimize_this_for_speed_p for each BB in the main combine loop.
2315 2009-01-12 Tomas Bily <tbily@suse.cz>
2318 * tree-loop-distribution.c (prop_phis): New function.
2319 (generate_builtin): Call prop_phis.
2320 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2322 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2324 PR tree-optimization/38807
2325 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2326 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2328 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2330 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2331 subreg of op0 to the original op0.
2333 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2335 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2337 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2340 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2341 starting with digits.
2343 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2346 * config/arm/arm.c (arm_is_long_call_p): Don't call
2347 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2349 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2351 * regrename.c (regrename_optimize): Fix dumping.
2352 (find_oldest_value_reg): Preserve REG_POINTER.
2353 (copy_hardreg_forward_1): Likewise.
2355 2009-01-09 Diego Novillo <dnovillo@google.com>
2357 * gimple.h (struct gimple_statement_base) <uid>: Document
2358 the restrictions on its use.
2360 (gimple_set_uid): Tidy.
2362 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2364 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2365 zero guard even if align_bytes != 0 and count is smaller than
2368 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2370 PR rtl-optimization/38495
2371 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2372 (add_range_and_copies_from_move_list): Print all added ranges.
2373 Add ranges to memory optimized destination.
2375 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2379 * config/i386/i386.c (override_options): Reject
2380 -mstringop-strategy=rep_8byte with -m32.
2381 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2382 to 1. Do count comparison against epilogue_size_needed at compile
2383 time even when count_exp was constant forced into register. For
2384 size_needed don't jump to epilogue, instead just avoid aligning
2385 and invoke the body algorithm. If need_zero_guard, add zero guard
2386 even if count is non-zero, but smaller than size_needed + number of
2387 bytes that could be stored for alignment.
2388 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2389 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2390 but smaller than size_needed + number of bytes that could be stored
2391 for alignment. Compare size_needed with epilogue_size_needed instead
2392 of desired_align - align, don't adjust size_needed, pass
2393 epilogue_size_needed to the epilogue expanders.
2396 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2398 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2400 * pa.c (last_address): Change to unsigned.
2401 (update_total_code_bytes): Change argument to unsigned. Don't
2402 check if insn addresses are set.
2403 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2404 addresses are not set.
2405 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2407 2009-01-09 Nick Clifton <nickc@redhat.com>
2409 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2410 DECL_DECLARED_INLINE_P.
2412 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2415 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2416 GET_MODE (op0) in operand_subword_force calls.
2419 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2420 fold_convert arg0 operands to TREE_TYPE (op0) first.
2422 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2424 * params.def (ira-max-conflict-table-size): Decrease default value
2427 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2429 PR tree-optimization/37031
2430 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2432 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2433 allocate it using gc instead of heap, use VEC_quick_push instead of
2435 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2436 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2437 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2438 allocated vector from heap allocated.
2439 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2440 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2441 vector only after perfect_loop_nest_depth call.
2443 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2444 Jan Sjodin <jan.sjodin@amd.com>
2446 PR tree-optimization/38559
2447 * graphite.c (debug_value, copy_constraint,
2448 swap_constraint_variables, scale_constraint_variable, ): New.
2449 (get_lower_bound, get_upper_bound): Removed.
2450 (graphite_trans_bb_strip_mine): Clean up this code that works
2451 only for constant number of iterations. Fully copy upper and
2452 lower bound constraints, not only the constant part of them.
2453 * graphite.h (debug_value): Declared.
2455 2009-01-08 Ira Rosen <irar@il.ibm.com>
2457 PR tree-optimization/37194
2458 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2459 Don't add the cost of cost model guard in prologue to scalar
2460 outside cost in case of known number of iterations.
2462 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2463 Alan Modra <amodra@bigpond.net.au>
2465 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2466 non-word-aligned REG+CONST addressing.
2468 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2471 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2472 free_after_compilation when outputting a thunk.
2473 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2474 Do not call free_after_compilation here.
2476 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2478 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2479 (ix86_valid_target_attribute_inner_p): Ditto.
2481 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2483 PR tree-optimization/38492
2484 PR tree-optimization/38498
2485 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2486 * tree-chrec.h (scev_is_linear_expression): Declared.
2487 * graphite.c (graphite_cannot_represent_loop_niter): New.
2488 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2489 (graphite_loop_normal_form): Use gcc_assert.
2490 (scan_tree_for_params): Use CASE_CONVERT.
2491 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2492 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2493 Use gcc_assert. Discard scops that contain unhandled cases.
2494 (build_scop_conditions): Return a boolean status for unhandled cases.
2495 (strip_mine_profitable_p): Print the loop number, not its depth.
2496 (is_interchange_valid): Pass the depth of the loop nest, don't
2497 recompute it wrongly.
2498 (graphite_trans_bb_block): Same.
2499 (graphite_trans_bb_block): Print tentative of loop blocking.
2500 (graphite_trans_scop_block): Do not print that the loop has been
2502 (graphite_transform_loops): Do not handle scops that contain condition
2505 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2507 AVX Programming Reference (December, 2008)
2508 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2509 (_mm256_stream_pd): Likewise.
2510 (_mm256_stream_ps): Likewise.
2512 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2513 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2514 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2515 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2516 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2517 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2518 (ix86_expand_special_args_builtin): Likewise.
2520 * config/i386/sse.md (AVXMODEDI): New.
2521 (avx_movnt<mode>): Likewise.
2522 (avx_movnt<mode>): Likewise.
2523 (<sse>_movnt<mode>): Remove AVX support.
2524 (sse2_movntv2di): Likewise.
2526 2009-01-07 Richard Guenther <rguenther@suse.de>
2529 * fold-const.c (extract_muldiv): Remove obsolete comment.
2530 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2531 to PLUS_EXPR canonicalization for the canonicalization.
2533 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2535 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2536 hosted cross-compilers generating less efficient code.
2538 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2540 * function.h (rtl_data): Add a dbr_scheduled_p field.
2541 * reorg.c (dbr_schedule): Set it.
2542 (gate_handle_delay_slots): Check it.
2543 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2544 (mips_reorg): Check flag_delayed_branch instead of
2545 mips_base_delayed_branch.
2546 (mips_override_options): Don't set mips_base_delayed_branch
2547 or flag_delayed_branch.
2549 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2551 PR rtl-optimization/38426.
2552 * ira.c (ira): Set current_function_is_leaf earlier.
2554 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2556 PR rtl-optimization/38722
2557 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2558 too early, only set a flag and modify after last possible
2561 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2564 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2565 * real.c (decimal_single_format): Correct values of emin and emax.
2566 (decimal_double_format): Ditto.
2567 (decimal_quad_format): Ditto.
2568 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2569 computation of DECnn_MIN and DECnn_MAX for corrected values of
2570 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2571 __DECnn_MIN__, and adjust its computation for the corrected value
2574 2009-01-06 Jan Hubicka <jh@suse.cz>
2577 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2579 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2581 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2582 Add Robert Clark to the list of testers.
2584 2009-01-06 Jan Hubicka <jh@suse.cz>
2585 Kai Tietz <kai.tietz@onevision.com>
2587 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2588 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2590 2009-01-06 Jan Hubicka <jh@suse.cz>
2591 Kai Tietz <kai.tietz@onevision.com>
2593 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2595 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2596 (ix86_nsaved_regs): Count only general purpose regs.
2597 (ix86_nsaved_sseregs): New.
2598 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2599 to 16 for w64; compute padding and size of sse reg save area.
2600 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2601 general purpose regs.
2602 (ix86_emit_save_sse_regs_using_mov): New.
2603 (ix86_expand_prologue): Save SSE regs if needed.
2604 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2605 (ix86_emit_restore_sse_regs_using_mov): New.
2606 (ix86_expand_epilogue): Save SSE regs if needed.
2608 2009-01-06 Jan Hubicka <jh@suse.cz>
2609 Kai Tietz <kai.tietz@onevision.com>
2611 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2612 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2613 functions when accumulate outgoing args is off.
2615 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2618 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2619 before using pseudos_have_intersected_live_ranges_p.
2621 * ira-int.h (ira_assert): Always define.
2623 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2625 AVX Programming Reference (December, 2008)
2626 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2627 (_mm256_permute2_pd): Likewise.
2628 (_mm_permute2_ps): Likewise.
2629 (_mm256_permute2_ps): Likewise.
2630 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2631 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2633 * config/i386/i386.c (ix86_builtins): Remove
2634 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2635 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2636 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2637 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2638 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2639 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2640 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2641 __builtin_ia32_vpermil2ps256.
2642 (ix86_init_mmx_sse_builtins): Updated.
2643 (ix86_expand_args_builtin): Likewise.
2645 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2647 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2648 long absolute calls when generating PA 2.0 code.
2650 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2652 PR rtl-optimization/38583
2653 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2655 * params.def (ira-max-conflict-table-size): New.
2657 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2659 * ira.h (ira_conflicts_p): New external definition.
2661 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2662 table. Report this. Return result of building.
2663 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2664 building conflict table.
2666 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2667 (ira_color): Use ira_conflicts_p.
2669 * global.c: Include ira.h.
2670 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2673 * Makefile.in (global.o): Add ira.h.
2675 * ira-build.c (mark_all_loops_for_removal,
2676 propagate_some_info_from_allocno): New.
2677 (remove_unnecessary_allocnos): Call
2678 propagate_some_info_from_allocno.
2679 (remove_low_level_allocnos): New.
2680 (remove_unnecessary_regions): Add parameter. Call
2681 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2682 parameter to remove_unnecessary_regions.
2683 (ira_build): Remove all regions but root if the conflict table was
2684 not built. Update conflict hard regs for allocnos crossing calls.
2686 * ira.c (ira_conflicts_p): New global.
2687 (ira): Define and use ira_conflicts_p.
2689 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2690 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2691 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2693 2009-01-06 Ben Elliston <bje@au.ibm.com>
2695 * gengtype-lex.l (YY_NO_INPUT): Define.
2697 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2700 * c-common.c (handle_vector_size_attribute): Also reject
2703 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2705 PR tree-optimization/38492
2706 * graphite.c (rename_map_elt, debug_rename_elt,
2707 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2708 rename_map_elt_info, eq_rename_map_elts,
2709 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2710 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2711 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2712 (sese_build_livein_liveouts): New.
2713 (new_sese, free_sese): New.
2714 (new_scop): Call new_sese.
2715 (free_scop): Call free_sese.
2716 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2717 (register_old_new_names): Renamed register_old_and_new_names.
2718 (register_scop_liveout_renames, add_loop_exit_phis,
2719 insert_loop_close_phis, struct igp,
2720 default_liveout_before_guard, add_guard_exit_phis,
2721 insert_guard_phis, copy_renames): New.
2722 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2723 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2724 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2725 (scop_adjust_phis_for_liveouts): New.
2726 (gloog): Call scop_adjust_phis_for_liveouts.
2728 * graphite.h (struct sese): Documented. Added fields liveout,
2730 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2731 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2732 (struct scop): Added field liveout_renames.
2733 (SCOP_LIVEOUT_RENAMES): New.
2735 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2737 PR tree-optimization/38510
2738 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2739 (translate_clast): Call recompute_all_dominators before
2741 (gloog): Call recompute_all_dominators before graphite_verify.
2743 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2744 Jan Sjodin <jan.sjodin@amd.com>
2746 PR tree-optimization/38500
2747 * graphite.c (create_sese_edges): Call fix_loop_structure after
2750 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2752 * config.gcc: Add m32r*-*-rtems*.
2753 * config/m32r/rtems.h: New file.
2755 2009-01-05 Ben Elliston <bje@au.ibm.com>
2757 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2758 (.po.pox): Likewise.
2759 (po/gcc.pot): Likewise.
2761 2009-01-04 David S. Miller <davem@davemloft.net>
2763 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2764 (STARTING_FRAME_OFFSET): Always set to zero.
2766 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2768 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2769 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2770 fixed-point types, and vectors of the same.
2772 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2774 * config/mips/sync.md (*mb_barrier): Rename to...
2775 (*memory_barrier): ...this.
2777 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2779 * doc/extend.texi (Function Attributes): Move @cindex after @item
2780 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2781 and put in alphabetical order. Fix 'target' name and put in order.
2782 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2785 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2787 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2788 (memory_barrier): Expand as unspec instead of unspec_volatile.
2789 Remove mem:BLK from insn operands. Use Pmode scratch register.
2790 (*memory_barrier): Define as unspec instead of unspec_volatile.
2791 Use (match_dup 0) as input operand.
2793 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2794 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2795 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2796 scratch register. Remove operand 1.
2797 (*stbar): Define as unspec instead of unspec_volatile.
2798 Use (match_dup 0) as input operand, remove (const_int 8).
2799 (*membar): Define as unspec instead of unspec_volatile.
2800 Use (match_dup 0) as input operand, remove input operand 2.
2802 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2803 (memory_barrier): Expand as unspec instead of unspec_volatile.
2804 Remove mem:BLK from insn operands. Use Pmode scratch register.
2805 (*memory_barrier): Define as unspec instead of unspec_volatile.
2806 Use (match_dup 0) as input operand.
2808 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2809 Remove mem:BLK from insn operands. Use Pmode scratch register.
2810 Set volatile flag on operand 0.
2811 (*memory_barrier): New insn pattern.
2813 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2815 (*memory_barrier): Use (match_dup 0) as input operand.
2817 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2818 Remove mem:BLK from insn operands. Use Pmode scratch register.
2819 Set volatile flag on operand 0.
2820 (*mb_internal): New insn pattern.
2822 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2824 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2827 * function.c (struct temp_slot): Move to the section of the file
2828 that deals with temp slots. Remove field 'address'.
2829 (temp_slot_address_table): New hash table of address -> temp slot.
2830 (struct temp_slot_address_entry): New struct, items for the table.
2831 (temp_slot_address_compute_hash, temp_slot_address_hash,
2832 temp_slot_address_eq, insert_temp_slot_address): Support functions
2834 (find_temp_slot_from_address): Rewrite to use the new hash table.
2835 (remove_unused_temp_slot_addresses): Remove addresses of temp
2836 slots that have been made available.
2837 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2838 worker function for remove_unused_temp_slot_addresses.
2839 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2840 Add the temp slot address to the address -> temp slot map.
2841 (update_temp_slot_address): Update via insert_temp_slot_address.
2842 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2843 (pop_temp_slots): Likewise.
2844 (init_temp_slots): Allocate the address -> temp slot map, or empty
2845 the map if it is already allocated.
2846 (prepare_function_start): Initialize temp slot processing.
2848 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2851 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2852 Calculate the size of all stack vars assuming no packing of stack
2853 vars will happen, replacing a quadratic algorithm with a linear one.
2855 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2858 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2861 2009-01-03 Diego Novillo <dnovillo@google.com>
2863 * doc/contrib.texi: Update contributions.
2865 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2868 * builtins.c (fold_builtin_memory_op): Give up if either operand
2869 is volatile. Set srctype or desttype to non-qualified version
2873 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2876 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2878 PR rtl-optimization/35805
2879 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2880 problem if fast dce is able to remove any instructions.
2881 * dce.c (dce_process_block): Fix dump message.
2883 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2886 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2888 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2891 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2892 * tree-pretty-print.c (op_code_prio): New function.
2893 (op_prio): No longer static. Use op_code_prio.
2894 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2895 Use op_prio and op_code_prio to determine if () should be
2896 printed around operand(s) or not.
2898 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2899 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2900 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2901 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2902 pp_character instead of pp_string for single letter printing.
2904 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2906 * doc/extend.texi: Fix '#pragma GCC option' typo.
2908 2009-01-02 Richard Guenther <rguenther@suse.de>
2910 * doc/install.texi (--enable-checking): Mention different
2912 (--enable-stage1-checking): Document.
2914 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2917 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2918 case to be an error.
2920 2009-01-02 Ben Elliston <bje@au.ibm.com>
2922 * config/fp-bit.h (pack_d): Constify argument.
2923 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2924 (isnan): Constify argument.
2928 (_fpadd_parts): Constify return type.
2929 (_fpmul_parts): Likewise.
2930 (_fpdiv_parts): Likewise.
2932 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2935 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2936 warn about overwriting initializer with side-effects or
2937 -Woverride-init if !IMPLICIT.
2938 (output_init_element): Likewise. Pass IMPLICIT down to
2940 (process_init_element): Add IMPLICIT argument. Pass it down
2941 to output_init_element.
2942 (push_init_element, pop_init_level, set_designator): Adjust
2943 process_init_element callers.
2944 (set_nonincremental_init, set_nonincremental_init_from_string):
2945 Adjust add_pending_init callers.
2946 (output_pending_init_elements): Adjust output_init_element callers.
2947 * c-tree.h (process_init_element): Adjust prototype.
2948 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2949 process_init_element callers.